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.

[4] Blast Geyser (120+)
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.