Pokémon Storm Emeralda M6: Mega Rayquaza ex, Secret Rares and Why This Japanese Set Is One of the Biggest Pokémon TCG Releases of 2026

Some Pokémon TCG sets are anticipated because of their mechanics.

Others are anticipated because of their chase cards.

Storm Emeralda is anticipated because it has both — and because it brings back one of the most iconic Pokémon in the entire history of the hobby: Mega Rayquaza ex.

The Japanese Pokémon Card Game MEGA expansion Storm Emeralda, also known by many collectors as Storm Emerald, is scheduled to release in Japan on July 31, 2026. It is the sixth main Japanese set of the MEGA era and immediately stands out as one of the most important Japanese Pokémon TCG releases of the year.

The reason is simple: Rayquaza is not just another Legendary Pokémon. Rayquaza is a collector icon, a Hoenn symbol, a Mega Evolution legend and one of the most powerful names The Pokémon Company can place on a booster pack.

Now that the Storm Emeralda Secret Rares have started to be revealed, the hype has reached a new level. The set includes multiple high-rarity Mega Rayquaza ex cards, a major Zinnia card, legendary Pokémon such as Kyogre and Groudon, beautiful Illustration Rare-style cards, and one of the most interesting gameplay mechanics of the MEGA block: split Stadium cards.

For Japanese Pokémon collectors, sealed product fans and Mega Rayquaza collectors, Storm Emeralda is not a set to ignore.

What Is Pokémon Storm Emeralda?

Storm Emeralda is a Japanese Pokémon TCG MEGA expansion focused on Mega Rayquaza ex.

The set belongs to the modern MEGA era, where Mega Evolution has returned to the Pokémon TCG with new ex cards, new rarity treatments and high-impact collector designs.

The name “Storm Emeralda” directly fits Rayquaza’s identity. Rayquaza is linked to the sky, weather, storms, the ozone layer and the Hoenn region. The word “Emeralda” also immediately evokes Pokémon Emerald, one of the most iconic games connected to Rayquaza.

This gives the set a strong emotional identity.

Storm Emeralda is not only a Mega Evolution product. It feels like a Hoenn celebration, a Rayquaza tribute and a competitive MEGA-era release all at once.

Official Japanese Release Date

The Japanese release date for Pokémon Card Game MEGA Storm Emeralda is:

July 31, 2026

This makes Storm Emeralda one of the key Japanese Pokémon TCG releases of summer 2026.

The set also arrives during a wider official Mega Rayquaza campaign in Japan, with Mega Rayquaza appearing across multiple Pokémon products and experiences during the same period.

That matters because Storm Emeralda is not being presented as a small side release. It is part of a bigger moment built around Mega Rayquaza.

What’s Inside Storm Emeralda Boosters?

Storm Emeralda booster packs contain:

• 5 cards per pack
• Randomly inserted cards
• Japanese Pokémon Card Game MEGA cards
• Main set cards
• Secret Rare cards
• Mega Evolution ex cards
• Trainer cards
• Special Energy cards
• Split Stadium cards

The main set contains 76 cards, with Secret Rares extending the full collector checklist beyond the regular numbered set.

For collectors, this is exactly where the excitement begins. The main set gives Storm Emeralda its gameplay structure, but the Secret Rare section gives it its collector identity.

Mega Rayquaza ex: The Star of the Set

The headline card of Storm Emeralda is Mega Rayquaza ex.

The official main-set Mega Rayquaza ex is a Colorless Basic Pokémon with HP 280. Its Ability allows the player, when placing Mega Rayquaza ex from hand onto the Bench, to look at the top cards of the deck and attach a Basic Energy found there to Mega Rayquaza ex.

Its attack, Storm Emeralda, deals damage based on the number of Fire and Lightning Energy attached to all of the player’s Pokémon in play.

That design is very fitting.

Rayquaza has always been associated with explosive energy, sky power and huge offensive pressure. This version rewards energy acceleration and board setup, giving the card a dramatic “build the storm” feeling.

The card also follows the MEGA-era rule: when a Mega Evolution ex Pokémon is Knocked Out, the opponent takes 3 Prize cards. This creates an interesting balance. Mega Rayquaza ex can hit extremely hard, but playing it also carries real risk.

That combination of power, risk and collector appeal is exactly what makes the card so exciting.

Why Mega Rayquaza ex Matters So Much

Mega Rayquaza is one of the most iconic Pokémon in the TCG.

Collectors remember Rayquaza from several major eras: EX, Gold Star, Mega Evolution, GX, VMAX and now MEGA ex. Each time Rayquaza returns with a major card, the community pays attention.

But Mega Rayquaza is especially important because it connects to several layers of nostalgia:

• Pokémon Emerald
• Hoenn
• Sky Pillar
• Delta Episode
• Mega Evolution
• Dragon-type collector appeal
• Rayquaza’s long TCG history
• High-impact full-art and alternate-art cards

A Mega Rayquaza ex Secret Rare in a modern Japanese set is exactly the kind of card that can define a release.

Storm Emeralda understands this perfectly. The set does not hide its identity. It puts Mega Rayquaza at the center of everything.

Storm Emeralda Secret Rares Revealed

The Secret Rare checklist is one of the biggest reasons the set is now getting even more attention.

The revealed Secret Rares include Pokémon, Trainer cards, Special Energy cards and multiple high-rarity ex cards.

Current revealed Secret Rares include:

• #077 Masquerain
• #078 Growlithe
• #079 Magmortar
• #080 Kyogre
• #081 Electivire
• #082 Pincurchin
• #083 Enamorus
• #084 Groudon
• #085 Inkay
• #086 Azurill
• #087 Altaria
• #088 Kecleon
• #089 Mega Golisopod ex
• #090 Heat Rotom ex
• #091 Wishiwashi ex
• #092 Raikou ex
• #093 Mega Golurk ex
• #094 Mega Malamar ex
• #095 Mega Rayquaza ex
• #096 Talonflame ex
• #097 Adventuring Lantern
• #098 Custom Vest
• #099 Pokémon Catcher
• #100 Emcee’s Hype
• #101 Aarune
• #102 Zinnia’s Trust
• #103 Tate & Liza’s Training
• #104 Aromatic Grass Energy
• #105 Nitro Fire Energy
• #106 Bubbly Water Energy
• #107 Mega Golisopod ex
• #108 Raikou ex
• #109 Mega Golurk ex
• #110 Mega Rayquaza ex
• #111 Aarune
• #112 Zinnia’s Trust
• #113 Mega Rayquaza ex

This is a strong Secret Rare lineup because it does not rely only on Rayquaza. The set also includes major Hoenn Legendary Pokémon, popular Trainers, multiple Mega Evolution ex cards and visually interesting Art Rare-style Pokémon.

Mega Rayquaza ex SAR: The Main Collector Chase

The most important Secret Rare revealed so far is clearly Mega Rayquaza ex SAR.

This card is especially notable because it is illustrated by Kazuki Minami, one of the winners of the 2024 Pokémon TCG Illustration Contest. That detail gives the card a story beyond the character itself.

A Mega Rayquaza ex SAR would already be important because of the Pokémon.

But a Mega Rayquaza ex SAR illustrated by a contest-winning artist adds another layer of collector interest.

Collectors often respond strongly to cards with a clear narrative: a legendary Pokémon, a major set, a special rarity, a memorable illustration and an artist story. This card has all of those ingredients.

For many collectors, this will likely be the defining card of Storm Emeralda.

Multiple Mega Rayquaza ex Secret Rares

One of the most exciting parts of the Secret Rare checklist is that Mega Rayquaza ex appears more than once in the secret section.

The revealed list includes Mega Rayquaza ex at several secret-numbered slots, including the highly watched #110 and #113 versions.

This is important because different rarity treatments can attract different types of collectors.

Some collectors prefer full-art style cards.
Some prefer Special Illustration Rare cards.
Some prefer the highest-end gold-style MEGA-era treatment.
Some simply collect every version of Rayquaza.

Storm Emeralda gives Rayquaza collectors several targets instead of only one.

That is one of the main reasons the set could remain highly discussed even after release.

Kyogre and Groudon Add Hoenn Power

Storm Emeralda is not only about Rayquaza.

The Secret Rare lineup also includes Kyogre and Groudon, two Legendary Pokémon deeply connected to the Hoenn region and Pokémon Emerald’s story.

That is a very smart inclusion.

Rayquaza’s identity becomes much stronger when Kyogre and Groudon are present in the same set. Together, the three Pokémon immediately create a Hoenn Legendary trio atmosphere.

For collectors who grew up with Pokémon Ruby, Sapphire and Emerald, this is a major nostalgic signal.

Kyogre brings the ocean.
Groudon brings the land.
Rayquaza brings the sky.

That trio gives Storm Emeralda a much richer identity than a simple Rayquaza set.

Zinnia’s Trust: A Major Trainer Card for Rayquaza Fans

Another major card in the set is Zinnia’s Trust.

Zinnia is one of the most important human characters connected to Rayquaza in modern Pokémon lore. Her role in the Delta Episode made her deeply associated with Rayquaza, Hoenn mythology and the sky-based legendary storyline.

Including Zinnia in Storm Emeralda makes perfect thematic sense.

Her presence gives the set a stronger narrative. It is not just “Mega Rayquaza appears.” It is “Mega Rayquaza returns with the characters, places and mythology that made it meaningful.”

The Secret Rare versions of Zinnia’s Trust are likely to attract strong attention from both Trainer collectors and Hoenn fans.

Raikou ex, Mega Golurk ex and Mega Golisopod ex

Storm Emeralda also includes several other important ex cards in its Secret Rare range.

Raikou ex gives the set a strong Legendary Pokémon chase beyond Hoenn.

Mega Golurk ex is exciting because Golurk has a unique visual identity and works very well with dramatic full-art card design.

Mega Golisopod ex adds another powerful Mega Evolution presence and gives the Grass side of the set more collector weight.

Together, these cards make the set feel broader. Mega Rayquaza is the star, but the supporting lineup is strong enough to make openings interesting beyond one single chase.

The New Split Stadium Mechanic

One of the most important gameplay features in Storm Emeralda is the introduction of split Stadium cards.

These Stadium cards are played as two halves. To use them properly, players need both matching parts in hand. When combined, the two halves function as one Stadium card.

This is one of the most original mechanics introduced in the MEGA era.

It also creates a strong nostalgic callback for long-time Pokémon TCG fans. The concept of needing two halves naturally reminds many collectors of the old LEGEND cards from the HeartGold & SoulSilver era.

Storm Emeralda includes split Stadium cards with names such as:

• Legendary Summit
• Legendary Ocean Trench
• Legendary Lava Lake

These cards are more than a visual gimmick. They create new deckbuilding questions, because players must think about how many halves to include, when to search them, and how much space they can dedicate to a Stadium that requires setup.

Legendary Summit and Mega Rayquaza ex

Legendary Summit is especially important because it directly supports the Mega Rayquaza ex strategy.

When active, it helps reduce the Prize penalty for Colorless Pokémon being Knocked Out by damage from an opponent’s attack.

That matters because Mega Evolution ex Pokémon normally give up 3 Prize cards when Knocked Out. In a Mega Rayquaza-focused deck, anything that helps manage that risk can change the way the deck is played.

This is one of the most interesting design elements in Storm Emeralda.

Mega Rayquaza ex is powerful, but risky.
Legendary Summit helps reduce that risk.
The player must still assemble both halves of the Stadium.

That creates a more strategic gameplay loop than simply dropping a strong card and attacking.

Adventuring Lantern and Energy Setup

Another important Trainer card is Adventuring Lantern.

This card supports the Mega Rayquaza ex game plan by helping access the Fire and Lightning Energy needed for the Storm Emeralda attack.

Because Mega Rayquaza ex scales its damage with Fire and Lightning Energy attached across the player’s board, energy management is central to the deck.

Adventuring Lantern fits naturally into that structure. It helps prepare the correct energy types, improves consistency and supports the big-damage plan.

In a set built around Mega Rayquaza, this kind of Trainer card is not just filler. It is part of the engine.

Mega Rayquaza Cap and Delta Gift

Storm Emeralda also includes Mega Rayquaza Cap, a Pokémon Tool that gives attached Pokémon access to the attack Delta Gift.

Delta Gift allows the player to attach Basic Energy from the deck to Pokémon that have Mega Rayquaza Cap attached.

This card is very important because it supports the same core idea: building a board full of Fire and Lightning Energy so Mega Rayquaza ex can hit harder with Storm Emeralda.

From a design perspective, this is excellent synergy.

Mega Rayquaza ex wants Energy in play.
Adventuring Lantern helps find the correct Energy types.
Mega Rayquaza Cap helps place Energy across the board.
Zinnia’s Trust helps with movement and strategy.
Legendary Summit helps manage the Prize risk.

The set is clearly built around a full Mega Rayquaza ecosystem.

Talonflame ex and Speed Support

Talonflame ex is another notable card from the set.

It has an Ability that allows it to be played directly to the Bench if the player has a Colorless Mega Evolution ex in play. That immediately connects it to Mega Rayquaza ex.

Talonflame ex can also help search the deck, giving players more control over their setup.

This kind of support matters because Mega Rayquaza ex decks need several pieces to work smoothly. The faster a player can assemble Energy, support cards and board position, the more dangerous Storm Emeralda becomes.

Talonflame ex therefore has both gameplay relevance and collector appeal.

Why Storm Emeralda Is So Anticipated

Storm Emeralda is one of the most anticipated Pokémon TCG Japanese sets of 2026 for several reasons.

First, it stars Mega Rayquaza ex, one of the most collectible Pokémon in the franchise.

Second, it connects strongly to Hoenn, Pokémon Emerald and the Rayquaza mythology.

Third, the Secret Rare lineup is strong, with Mega Rayquaza ex, Kyogre, Groudon, Raikou ex, Zinnia’s Trust and multiple Mega Evolution ex cards.

Fourth, the set introduces split Stadium cards, one of the most original gameplay concepts of the MEGA era.

Fifth, the Mega Rayquaza ex SAR has a strong artist story thanks to Kazuki Minami.

Finally, Storm Emeralda is expected to feed into the later international release known as Delta Reign, meaning collectors outside Japan are watching the Japanese version closely.

Storm Emeralda and Delta Reign

Storm Emeralda is the Japanese set, while its international equivalent is expected under the name Delta Reign.

This is important for collectors because Japanese releases often reveal the key cards before the international version arrives.

For collectors who prefer Japanese cards, Storm Emeralda is the original-language release. For collectors waiting for English, French or German cards, Storm Emeralda gives a preview of what may become the major chase cards in Delta Reign.

Mega Rayquaza ex, Zinnia’s Trust, Kyogre, Groudon and the split Stadium cards are all cards that international collectors will be watching very closely.

Is Storm Emeralda a Hoenn Set?

Storm Emeralda is not simply a full Hoenn remake set, but it is clearly built with strong Hoenn energy.

The name, Rayquaza focus, Kyogre and Groudon Secret Rares, Zinnia connection and Emerald-style theme all point toward Hoenn nostalgia.

That makes the set especially attractive for fans of:

• Pokémon Ruby
• Pokémon Sapphire
• Pokémon Emerald
• Sky Pillar
• Delta Episode
• Mega Evolution
• Rayquaza
• Kyogre
• Groudon
• Zinnia

Even if the set includes Pokémon from other generations, its emotional core feels unmistakably Hoenn.

Is Storm Emeralda Good for Collectors?

Yes. Storm Emeralda has almost every ingredient collectors usually look for in a modern Pokémon set.

It has a legendary mascot.
It has Mega Evolution.
It has multiple Secret Rare Rayquaza cards.
It has a major SAR.
It has nostalgic Hoenn references.
It has legendary Pokémon.
It has Trainer chase cards.
It has new mechanics.
It has strong Japanese sealed appeal.

For Rayquaza collectors specifically, this is one of the most important modern sets to follow.

For general Pokémon collectors, it is also important because it represents a major moment in the MEGA era.

Is Storm Emeralda Good for Players?

Storm Emeralda is not only a collector set.

The Mega Rayquaza ex strategy has a clear gameplay identity built around Fire and Lightning Energy acceleration, Colorless Mega Evolution support and split Stadium cards.

The set includes several cards that help that plan:

• Mega Rayquaza ex
• Adventuring Lantern
• Mega Rayquaza Cap
• Zinnia’s Trust
• Legendary Summit
• Talonflame ex

Players will need to test whether the deck becomes truly competitive, but the structure is clearly designed to function as a real strategy.

The split Stadium mechanic also gives players something new to explore. It may create deckbuilding tension, but it also offers powerful effects that reward preparation.

Should You Open Storm Emeralda or Keep It Sealed?

Both options make sense.

Open Storm Emeralda if you want to:

• Chase Mega Rayquaza ex Secret Rares
• Pull the Mega Rayquaza ex SAR
• Collect Kyogre and Groudon Art Rare-style cards
• Search for Zinnia’s Trust
• Build a Mega Rayquaza deck
• Discover the new split Stadium mechanic
• Complete Japanese MEGA-era binders

Keep it sealed if you prefer:

• Japanese Pokémon booster boxes
• Rayquaza-themed sealed products
• MEGA-era sealed collections
• Long-term display
• Original Japanese packaging
• Sealed products tied to iconic Pokémon

Because Rayquaza is such a strong mascot, Storm Emeralda has strong appeal both as an opening product and as a sealed collector item.

What Collectors Should Watch Next

Several points are worth following closely after the Secret Rare reveal.

The first is the final visual reception of Mega Rayquaza ex SAR. Early community reaction is already intense, and artist-driven cards can develop strong collector followings.

The second is the highest-rarity Mega Rayquaza ex card. Collectors will closely compare the different Rayquaza versions once all final card images and rarity labels are fully confirmed.

The third is Zinnia’s Trust. Trainer cards connected to major characters often become important, especially when the character has a strong lore connection to the set mascot.

The fourth is Kyogre and Groudon. If collectors decide that Storm Emeralda is the main Hoenn-flavoured set of the MEGA era, these two cards could become key binder targets.

The fifth is gameplay. If Mega Rayquaza ex becomes strong in actual decks, demand may come from both collectors and players at the same time.

Product Highlights

• Official Japanese Pokémon Card Game MEGA expansion
• Set name: Storm Emeralda
• Japanese set code: M6
• Release date: July 31, 2026
• Stars Mega Rayquaza ex
• Main set contains 76 cards
• Secret Rares now revealed
• Includes multiple Mega Rayquaza ex Secret Rare versions
• Includes Mega Rayquaza ex SAR
• Mega Rayquaza ex SAR illustrated by Kazuki Minami
• Includes Kyogre and Groudon Secret Rares
• Includes Raikou ex Secret Rare
• Includes Zinnia’s Trust Secret Rare
• Introduces split Stadium cards
• Strong Hoenn and Pokémon Emerald theme
• Expected to connect to the international Delta Reign set
• Strong appeal for Rayquaza collectors and Japanese sealed collectors

Product Details

Product Name: Pokémon Card Game MEGA Expansion Pack Storm Emeralda
Japanese Name: ストームエメラルダ
Set Code: M6
Game: Pokémon Trading Card Game
Language: Japanese
Product Type: Booster Expansion
Release Date: July 31, 2026
Cards per Pack: 5
Main Featured Pokémon: Mega Rayquaza ex
Main Set Size: 76 cards
Key Secret Rares: Mega Rayquaza ex, Zinnia’s Trust, Kyogre, Groudon, Raikou ex
Main Theme: Mega Rayquaza, Hoenn, storms, sky legends and Mega Evolution
Shipping From: Switzerland via JapHunter once available

Why Buy from JapHunter?

At JapHunter, we carefully select authentic Japanese Pokémon TCG products, sealed booster boxes and collector releases for fans across Switzerland and Europe.

When you order from JapHunter, you benefit from:

• Authentic Japanese Pokémon products
• Carefully sourced sealed products
• Secure collector-grade packaging
• Careful handling of booster boxes
• Fast shipping from Switzerland once available
• Dedicated TCG customer support
• A trusted shop for Pokémon, One Piece, Dragon Ball, Yu-Gi-Oh!, Naruto, Riftbound and more

Japanese Pokémon TCG releases can be difficult to secure reliably outside Japan, especially when the set features a Pokémon as popular as Mega Rayquaza. JapHunter helps make these releases accessible while protecting the product carefully during shipping.

Final Thoughts

Pokémon Storm Emeralda M6 is already one of the most important Japanese Pokémon TCG sets of 2026.

With Mega Rayquaza ex at the center, Hoenn Legendary Pokémon in the Secret Rare lineup, Zinnia’s Trust, split Stadium cards and a major Mega Rayquaza ex SAR illustrated by Kazuki Minami, the set has everything collectors want from a flagship MEGA-era release.

It is nostalgic, powerful, visually exciting and built around one of the most beloved Legendary Pokémon in the hobby.

For Rayquaza collectors, Storm Emeralda is essential to follow.

For Japanese Pokémon TCG collectors, it is one of the biggest releases of the year.

For players, it introduces a real Mega Rayquaza strategy with Energy acceleration, support cards and a new Stadium mechanic.

Storm Emeralda is not just another Japanese booster set.

It is the storm around Mega Rayquaza.

Stay tuned to JapHunter for more Japanese Pokémon TCG releases, Storm Emeralda updates and official collector products from Japan.

FAQ – Pokémon Storm Emeralda M6

What is Pokémon Storm Emeralda?

Pokémon Storm Emeralda is a Japanese Pokémon Card Game MEGA expansion starring Mega Rayquaza ex.

When does Storm Emeralda release in Japan?

Storm Emeralda releases in Japan on July 31, 2026.

What is the set code for Storm Emeralda?

The Japanese set code is M6.

Which Pokémon is featured on Storm Emeralda?

The main featured Pokémon is Mega Rayquaza ex.

How many cards are in the main set?

The main set contains 76 cards before Secret Rares.

How many cards are in each booster pack?

Each Storm Emeralda booster pack contains 5 randomly inserted cards.

Are the Storm Emeralda Secret Rares revealed?

Yes. The Secret Rares have started to be revealed, including multiple Mega Rayquaza ex cards, Kyogre, Groudon, Raikou ex, Zinnia’s Trust and several other Pokémon and Trainer cards.

Is there a Mega Rayquaza ex SAR?

Yes. Mega Rayquaza ex appears in the Secret Rare lineup with a Special Illustration Rare-style card.

Who illustrated the Mega Rayquaza ex SAR?

The Mega Rayquaza ex SAR is illustrated by Kazuki Minami, one of the winners of the 2024 Pokémon TCG Illustration Contest.

Does Storm Emeralda include Kyogre and Groudon?

Yes. Kyogre and Groudon are both included in the Secret Rare lineup.

Does Storm Emeralda include Zinnia?

Yes. Zinnia appears through the Trainer card Zinnia’s Trust, including Secret Rare versions.

What are split Stadium cards?

Split Stadium cards are Stadium cards played as two matching halves. The player needs both halves to put the Stadium into play.

Which split Stadium cards appear in Storm Emeralda?

The set includes split Stadium cards such as Legendary Summit, Legendary Ocean Trench and Legendary Lava Lake.

Is Storm Emeralda connected to Pokémon Emerald?

The set is not officially described as a Pokémon Emerald remake set, but its name, Mega Rayquaza focus, Kyogre, Groudon and Zinnia references create a very strong Hoenn and Emerald atmosphere.

What is the English equivalent of Storm Emeralda?

Storm Emeralda is expected to feed into the international Pokémon TCG set Delta Reign.

Is Storm Emeralda good for collectors?

Yes. Storm Emeralda is especially attractive for collectors because it stars Mega Rayquaza ex and includes several major Secret Rares, Hoenn Legendary Pokémon and Japanese MEGA-era chase cards.

Is Storm Emeralda good for players?

Storm Emeralda includes a clear Mega Rayquaza ex strategy built around Energy acceleration, split Stadium cards and support cards such as Adventuring Lantern, Mega Rayquaza Cap and Zinnia’s Trust.

Should I keep Storm Emeralda sealed?

Sealed collectors may want to keep Storm Emeralda sealed because it is a Japanese MEGA-era booster set centered on Mega Rayquaza ex. Collectors who enjoy chasing Secret Rares may prefer to open it.

Will JapHunter sell Storm Emeralda?

JapHunter will follow official availability and update the shop as soon as reliable stock information is confirmed.