Mewtwo EX (163 Secret Full Art) 163/162 - XY BREAKthrough Holofoil

During your opponent's next turn, any damage done by attacks from the Defending Pokémon is reduced by 30 (before applying Weakness and Resistance).

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