Mewtwo ex is card #151 of 128 in 30th Celebration (2026), a Special Illustration Rare illustrated by Yano Keiji. In a 30th Celebration booster it turns up about once every 400 packs. It is one of 89 Mewtwo cards printed so far.
7 copies have been graded by players in Holobrook's grading game, and 3 came back a Gem Mint 10.
POP 1 slabs (the first 10 of this card from each company): PSA by ALTOTRAZE on Nov 2, 2026. Still open: BGS, CGC. See the Mint
1999Base Set
2003Ruby & Sapphire
2006Holon Phantoms
2009Pokémon Rumble
2015BREAKthrough
2019Unified Minds
2023Crown Zenith
202630th Celebration

















See the full 30th Celebration card list
It is a Special Illustration Rare, and it shows up about once every 400 30th Celebration packs.
Yano Keiji drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open 30th Celebration booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.