Mewtwo & Mew GX - 2019 (Henry Brand)

Ability — Perfection
This Pokémon can use the attacks of any Pokémon-GX or Pokémon-EX on your Bench or in your discard pile.(You still need the necessary Energy to use each attack.)

Pokémon-GX rule — When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.