Pecharunt

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

Ability — 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 (10): Your opponent's Active Pokémon is now Poisoned. During your opponent's next turn, that Pokémon can't retreat.