Swampert-EX (XY Promos XY55)
[W][C][C] Mud Flood: 40+
Reveal the top 4 cards of your deck. This attack does 40 more damage for each [W] Energy you find there. Shuffle the revealed cards back into your deck.
[W][W][C][C] Hydro Tackle: 120
This Pokémon does 20 damage to itself.
Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.