M Gardevoir-EX (Steam Siege 112/114)
Rare Ultra
0
Fairy Colorless

Despair Ray

110+

Discard as many of your Benched Pokémon as you like. This attack does 10 more damage for each Benched Pokémon you discarded in this way.

Card rule

When 1 of your Pokémon becomes a Mega Evolution Pokémon, your turn ends.

Card rule

When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.