This attack does 10 damage to each of your opponent's Benched Pokémon for each Colorless in that Pokémon's Retreat Cost. (Don't apply Weakness and Resistance for Benched Pokémon.)
Battle Stats
Weaknesses:
Lightning (×2)
Rules
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.