Glimmora (Paldea Evolved 126/193)
Ability Shattering Crystal

When this Pokémon is Knocked Out, flip a coin. If heads, your opponent can't take any Prize cards for it.

Poison Petals

Your opponent's Active Pokémon is now Poisoned. During Pokémon Checkup, put 6 damage counters on that Pokémon instead of 1.