Mega Evolution rule: When 1 of your Pokémon becomes a Mega Evolution Pokémon, your turn ends.
[M][M][C][C] Megaton Slam: 120+
You may flip a coin. If heads, this attack does 120 more damage. If tails, this attack does 20 damage to each of your Benched Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)
Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.