Iron Valiant ex (SV Black Star Promos 068)
Ability Tachyon Bits

Once during your turn, when this Pokémon moves from your Bench to the Active Spot, you may put 2 damage counters on 1 of your opponent's Pokémon.

Psychic Psychic Colorless
Laser Blade

During your next turn, this Pokémon can't attack.

Card rule

When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.