Hydreigon-EX (Roaring Skies 103/108)
Ability Dragon Road

If there is any Stadium card in play, the Retreat Cost of each of your Dragon Pokémon in play is Colorless Colorless less.

Psychic Darkness Colorless

This attack's damage isn't affects by any effects on your opponent's Active Pokémon.

Card rule

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