Weezing

Inhaling toxic fumes from trash and mixing them inside its body lets it spread an even fouler stench.

Ability — Aftermath: When this Pokémon is Knocked Out by damage from an opponent’s attack, discard the top 3 cards of your opponent’s deck.

Smogbank: This attack does 20 damage to each of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)