Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.
Mirror Move
If this Pokémon was damaged by an attack during your opponent's last turn, this attack does the same amount of damage to your opponent's Active Pokémon.
Feather Lance
Damage: 80
This attack does 20 damage to 1 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)