You may do 50 more damage and leave your opponent's Active Pokémon Paralyzed. If you do, this Pokémon does 30 damage to itself.

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.