Marshadow GX (80/147) - [SM: Burning Shadows] Holofoil

Shadow Hunt

This attack does 50 damage times the amount of basic Energy attached to this Pokémon. (You can't use more than 1 GX attack in a game.)

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