Toxic Subjugation

As long as this Pokémon is in the Active Spot, put 5 more damage counters on your opponent’s Poisoned Pokémon during Pokémon Checkup.

Poison Chain

Your opponent’s Active Pokémon is now Poisoned. During your opponent’s next turn, that Pokémon can’t retreat.

Its peach-shaped shell serves as storage for a potent poison. It makes poisonous mochi and serves them to people and Pokémon.

Found in Pokémon Center Shrouded Fable ETB