Phione - SM220 (Prerelease) [Staff] (SM220) [SM Promos] Holofoil - Promo

Once during your turn (before your attack), if this Pokémon is on your Bench, you may have your opponent switch their Active Pokémon with 1 of their Benched Pokémon. If you do, discard all cards attached to this Pokémon and put it on the bottom of your deck.