Mewtwo is card #53 of 113 in Legendary Treasures (2013), a Rare Holo illustrated by Ayaka Yoshida. At about $31.39 it is the #19 most valuable card in the set. In a Legendary Treasures booster it turns up about once every 99 packs. It is one of 89 Mewtwo cards printed so far.
1999Base Set
2003Ruby & Sapphire
2006Holon Phantoms
2009Pokémon Rumble
2013Legendary Treasures
2015BREAKthrough
2019Unified Minds
2023Crown Zenith

















See the full Legendary Treasures card list
An ungraded Mewtwo from Legendary Treasures sells for about $31.39. A PSA 10 is worth more, roughly $251 by our estimate, and a PSA 9 around $87.89.
It is a Rare Holo, and it shows up about once every 99 Legendary Treasures packs.
Ayaka Yoshida drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Legendary Treasures 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.