Victreebel (Aquapolis 42/147)
Poké-POWER Fragrance Trap

Once during your turn (before your attack), you may flip a coin. If heads, choose 1 of your opponent's Benched Pokémon and switch the Defending Pokémon with it. This power can't be used if Victreebel is affected by a Special Condition.

Grass Grass Colorless
Corrosive Acid

Flip a coin. If heads, the Defending Pokémon is now Burned.