M Gyarados-EX (BKP 115)
Blast Geyser
120+
You may do 20 more damage for each Energy attached to this Pokémon. If you do, discard the top 2 cards of your deck.
weakness: x2
resistance: none
retreat cost: 2
When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.
When 1 of your Pokémon becomes a Mega Evolution Pokémon, your turn ends.