Xurkitree GX (SV58/94) - [SM: Hidden Fates Shiny Vault] Holofoil

Flashing Head

Discard the top card of your opponent's deck.

Your opponent reveals their hand. Add a card you find there to their Prize cards face down. (You can't use more than 1 GX attack in a game.)

Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.