Dark Sandslash

Poke-BODY — Poison Payback: If Dark Sandslash is your Active Pokémon and is damaged by an opponent's attack (even if Dark Sandslash is Knocked Out), the Attacking Pokémon is now Poisoned.

Swift (50): This attack's damage isn't affected by Weakness, Resistance, Poké-Powers, Poké-Bodies, or any other effects on the Defending Pokémon.