Gyarados GX (Full Art) 101/111 - SM Crimson Invasion Holofoil

If there is any Stadium card in play, this attack does 100 more damage. Then, discard that Stadium card.

Discard an Energy from each of your opponent's 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.