M Gengar EX (121 Secret Rare) - 121/106 [XY - Phantom Forces] Holofoil

Choose 1 of your opponent's Pokémon's attacks and use it as this attack.

×2

-20

Mega Evolution rule: When 1 of your Pokémon becomes a Mega Evolution Pokémon, your turn ends.

Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.