M Aggron EX (154 Full Art) 154/160 - Holofoil XY Primal Clash - Ultra Rare

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.)

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.