Mega Evolution—Chaos Rising has been officially announced – and here you'll find all the important information in a nutshell: release, prerelease, TCG Live, set size, the new Mega-ex stars, and which products will be released with the set.
Quick Overview: The Most Important Things in 30 Seconds
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Release (DE/EN): May 22, 2026
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Prerelease / Build & Battle: from May 9, 2026 (Prerelease weekends)
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Pokemon TCG Live: playable from May 21, 2026
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Set Size: small main set (86 cards + Secret Rares)
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Headliner: Mega Greninja ex vs. Mega Floette ex
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Basis: heavily based on the Japanese set Ninja Spinner
What is Chaos Rising about?
Thematically, the set has a really strong "story vibe": Lumiose City goes from bustling to chaotic as Mega Floette ex causes trouble – and Mega Greninja ex gathers other Mega Pokemon to stop the growing threat.
This is exactly the kind of set feeling collectors like: not just "new cards," but a clear focus + iconic Mega forms.
Card Highlights: These Mega Pokemon are in the Spotlight
Officially named or confirmed in the set context include:
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Mega Greninja ex
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Mega Floette ex
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Mega Pyroar ex
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Mega Dragalge ex
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Mega Gallade ex is expected as a promo/inclusion in the English context (sometimes listed as "likely").
In addition, there are also 5 Pokemon ex (including Beedrill ex, Gourgeist ex, Cobalion ex, Cinccino ex; another ex is mentioned as "likely" in the EN overview as a promo context).
Rarities & Collection Potential
The official/communicated key data reads very collector-friendly:
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5 Mega Evolution Pokemon ex
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5 Pokemon ex
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11 Illustration Rares
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18 Ultra Rares (Pokemon & Trainers)
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6 Special Illustration Rares (Pokemon & Supporters)
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more than 20 Trainer cards
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over 120 cards in total
This means: Even if the set is considered "small," there is a lot of potential in the higher rarities.
Why is Chaos Rising comparatively small?
In short: because it is (almost) built from a Japanese source. PokeBeach describes that the English set comprises 122 cards and is almost a mirror image of Ninja Spinner.
It is also emphasized that, "with just over 120 cards," it is one of the smallest main sets since the Sun & Moon era.
For collectors, this can even be an advantage: less "filler," more focus – and Master Set goals seem more achievable.
Product Lineup: How to Get Chaos Rising
Here are the most important products mentioned around the release:
Boosters & Displays
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Booster packs (also as Sleeved Boosters)
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Booster Bundle (6 Boosters)
Elite Trainer Box (ETB)
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Contains 9 Boosters + Accessories + Exclusive Promo
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According to current information, Fennekin Illustration Rare will serve as the ETB promo (taken from the Japanese set and made into a Promo).
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Additionally, a Pokemon Center ETB is also listed.
Blisters & Promos
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3-Pack Blister with a holographic Charmeleon promo
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Checklane Blisters with promos (including Toxel, Zacian, Reshiram, Flygon, Pawmot)
Build & Battle / Prerelease
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Build & Battle Box from May 9, 2026 (Prerelease): 4 Boosters + playable 40-card deck + 1 of 4 Promos
Conclusion: Chaos Rising is the Mega Set for May 2026
Chaos Rising brings a clear headliner dynamic (Mega Greninja vs. Mega Floette), strong new Mega additions, and a product lineup that is perfect for collectors – from Booster Bundles to ETBs and Prerelease Build & Battle.
