Release Date: May 22, 2026 | Mega Evolution Series Expansion (ME04)
The ninja frog takes center stage — and Mega Floette ex is bringing chaos to Lumiose City.
Chaos Rising launches worldwide on May 22, 2026 as the fourth expansion in the Mega Evolution Series (set code ME04). Based on Japan's Ninja Spinner set, this 122-card English expansion is led by the long-awaited Mega Greninja ex alongside Mega Pyroar ex, Mega Floette ex, Mega Dragalge ex, and Mega Gallade ex — confirmed officially by The Pokemon Company.
The set's storyline frames Mega Floette ex causing havoc as night falls in Lumiose City, with Trainers fighting back through the other Mega Evolutions. Beyond the Megas, Chaos Rising includes more than 20 Trainer cards and over 35 cards with special illustrations of both Pokemon and Trainers — making it one of the deepest illustration sets of the Mega Evolution Series so far.
With prerelease events kicking off May 9, 2026 and a Pokemon Center exclusive ETB featuring a metallic Mega Greninja promo, here's everything we know — verified against official sources and the leaked Japanese set list.
The Pokemon Company has officially confirmed five Mega Evolution Pokemon ex in Chaos Rising (four from Japan's Ninja Spinner plus Mega Gallade ex, added exclusively to the English set). Here's what collectors are already targeting:
The ninja frog finally gets its Mega form, and it's the undisputed star of the set. Mega Greninja ex has been one of the most-requested Mega Evolutions since the mechanic returned, and the official press materials show it standing off against Mega Floette ex as the headline matchup. The Mega Hyper Rare variant of Mega Greninja ex is the ultra-chase card of the expansion. The Pokemon Center exclusive ETB ships with a metallic Mega Greninja promo — that's how hard TPCi is pushing this one.
Mega Floette ex is the antagonistic cover star and a genuinely interesting playable card. Its Gentle Light Ability heals 30 damage from each of your Pokemon for just one Energy, and its Eternity Bloom attack hits for 200 damage and lets you attach four Basic Energy from your deck to your Benched Pokemon — a board-rebuilding nuke. Expect the SIR version to command a serious premium thanks to both playability and Floette's role in the set's narrative.
Mega Pyroar ex brings Fire-type aggression to the lineup. Pyroar has a loyal fan base, and its Mega form should slot naturally into Fire archetypes that benefit from the existing Oricorio ex acceleration package introduced in Phantasmal Flames. The SIR variant is expected to be one of the more accessible chase cards in the set.
Mega Dragalge ex is the sleeper pick. Poison/Dragon is a rare typing combo, and the Special Illustration Rare at #118 has been confirmed in the leaked set list. The unique typing makes it a collector favorite, and the artwork is already drawing strong reactions from the community.
Mega Gallade ex is unique to the English version of Chaos Rising — pulled from January 2026's Mega Gallade ex Special Set in Japan and added to the English set alongside Krookodile ex and the Trainer card Adversity Policy. You won't find it in the Japanese Ninja Spinner base set. Fighting-type with a hefty 350 HP, its Gale Cut attack hits for 50 damage normally — or a clean 200 (50 + 150 more) if Mega Gallade ex has zero damage counters on it. That's a fresh-drop nuke: evolve it, swing for 200 before your opponent can respond, and force them to deal with it before it takes a single hit. Competitively, that kind of conditional burst is exactly what Fighting-type builds have been looking for in the Mega Evolution format.
Four non-Mega Pokemon ex have been confirmed in the English set list so far:
Beyond the ex lineup, Goodra in this set carries the Slimy Sliding Ability — a disruption tool that locks your opponent's Active Pokemon from retreating, setting up easy KOs. Cards like this often quietly define metagames more than the headline Megas, so don't sleep on the supporting cast.
Here's what you're working with in Chaos Rising (122 cards total):
| Card Type | Count |
|---|---|
| Mega Evolution Pokemon ex | 5 (Greninja, Pyroar, Floette, Dragalge, Gallade — Gallade added in English) |
| Regular Pokemon ex | 4+ (Beedrill, Gourgeist, Krookodile, Cinccino) |
| Illustration Rare Pokemon | 11 |
| Ultra Rare Pokemon & Trainers | 18 |
| Special Illustration Rare | 6 |
| Mega Hyper Rare | 1 (Mega Greninja ex) |
| Trainer Cards | 20+ |
Note: Chaos Rising adapts Japan's Ninja Spinner set (M4). The English version adds Mega Gallade ex (from the January 2026 promo), Krookodile ex, and Adversity Policy, while cutting Fennekin's Illustration Rare (repurposed as the standard ETB promo). Per PokeBeach's English-cards reveal in late April 2026, this accounts for all differences from the Japanese base set.
Based on patterns from Perfect Order, Ascended Heroes, and the Ninja Spinner data from Japan, here are the estimated pull rates for Chaos Rising:
| Rarity | Estimated Odds | Per Booster Box (36 packs) |
|---|---|---|
| Illustration Rare | ~1 in 6 packs | ~6 per box |
| Pokemon ex / Ultra Rare | ~1 in 8 packs | ~4-5 per box |
| Special Illustration Rare | ~1 in 30-40 packs | ~1 per box (not guaranteed) |
| Mega Hyper Rare | ~1 in 200+ packs | ~1 per 6 boxes |
Reality check: You're looking at roughly 6 booster boxes (~$800-900) on average to pull a single Mega Hyper Rare. The SIRs are more reasonable but still require some luck. If you're specifically chasing the Mega Greninja ex SIR, the secondary market might be kinder to your wallet once prices stabilize a few weeks after release.
Note: These are estimates based on similar Mega Evolution sets. Official pull rates aren't published by Pokemon Company, so actual results may vary.
Mega Evolution Pokemon ex are the heavy hitters — they evolve from basic Pokemon ex and represent the absolute peak of a Pokemon's power.
This risk-reward dynamic is what makes Mega ex cards so interesting. You're betting big — one KO and you might hand your opponent the match. But play it right, and your opponent won't get that chance.
The set's storyline revolves around unstable Mega Evolution energy — expect some cards to play into this theme mechanically, potentially with effects that trigger when energy becomes "unstable" or with risks that mirror the lore.
Here's what's available starting May 22, 2026:
Pre-orders are open now at:
Want early access? Pre-release events run May 9-17, 2026 at participating Play! Pokemon Retailers. Check your local game stores for event dates and registration.
You'll get a Build & Battle Box with:
Pro tip: Arrive early. These events tend to fill up, especially for hyped sets with chase cards like Mega Greninja ex. Find events near you on the Pokemon Event Locator.
Based on where Perfect Order and Ascended Heroes landed, here's our best guess for Chaos Rising values:
| Card | Rarity | Expected Range |
|---|---|---|
| Mega Greninja ex (SIR) | Special Illustration Rare | $150 - $300 |
| Mega Floette ex (SIR) | Special Illustration Rare | $80 - $150 |
| Mega Pyroar ex (SIR) | Special Illustration Rare | $60 - $120 |
| Mega Dragalge ex (SIR) | Special Illustration Rare | $50 - $100 |
| Mega Hyper Rare | Mega Hyper Rare | $150 - $300+ |
| Regular Mega ex | Double Rare | $10 - $30 |
| Illustration Rares | Illustration Rare | $5 - $25 |
| Metallic Mega Greninja (PC ETB) | Promo | $30 - $60 |
Greninja premium: As one of the most popular Pokemon globally, Mega Greninja ex cards will likely command higher prices than typical Mega ex cards. The SIR could be the most valuable card in the Mega Evolution Series so far.
Prices based on comparable cards from Perfect Order and Ascended Heroes. Actual values depend on pull rates and market demand — expect volatility in the first few weeks.
Check your current collection's condition and value before Chaos Rising drops.
See What Your Cards Are Worth →Chaos Rising releases on May 22, 2026 worldwide. Pre-release events run from May 9-17, 2026 at Play! Pokemon Retailers.
Chaos Rising contains 122 cards total, including five Mega Evolution Pokemon ex (Greninja, Pyroar, Floette, Dragalge, and Gallade — with Gallade added exclusively to the English set), regular Pokemon ex (Beedrill ex, Gourgeist ex, Krookodile ex, Cinccino ex), 11 illustration rares, 18 ultra rares, 6 special illustration rares, 20+ Trainer cards, and a Mega Hyper Rare of Mega Greninja ex.
The five confirmed Mega Evolution Pokemon ex are the headline chase cards: Mega Greninja ex (#022/086), Mega Pyroar ex (#015/086), Mega Floette ex (#035/086), Mega Dragalge ex (#065/086, with a Special Illustration Rare at #118), and Mega Gallade ex (Fighting-type, 350 HP, English-only addition). The Mega Greninja ex Mega Hyper Rare is expected to be the most valuable card in the set.
Chaos Rising's set code is ME04, indicating it's the fourth expansion in the Mega Evolution Series.
Yes! Chaos Rising is based on Japan's Ninja Spinner set and is nearly an exact replica of that expansion.
The Pokemon Center exclusive Elite Trainer Box includes a metallic Mega Greninja promo card and exclusive dice that aren't available in the standard ETB.
When a Mega Evolution Pokemon ex is knocked out, your opponent takes three Prize cards, compared to two for standard Pokemon ex cards.
When you pull those Chaos Rising chase cards, you'll want to know their condition before sending them off to PSA or CGC. CardGrader.AI gives you instant, accurate condition reports — so you know what you're working with before you commit to grading fees.