M Gyarados EX (27/122) - [XY: BREAKpoint] Holofoil

You may do 20 more damage for each Water Energy attached to this Pokémon. If you do, discard the top 2 cards of your deck.

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.