Skarmory-EX (XY 80)
Joust
30
Before doing damage, discard all Pokémon Tool cards attached to your opponent's Active Pokémon.
Tailspin Piledriver
80+
If your opponent's Active Pokémon already has any damage counters on it, this attack does 40 more damage.
When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.