Mewtwo & Mew-GX#SM191 · SM Black Star Promos

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.)

If this Pokémon has at least 1 extra Energy attached to it (in addition to this attack's cost), heal all damage from all of your Pokémon. (You can't use more than 1 GX attack in a game.)