Switch 1 of your opponent's Benched Pokémon with their Active Pokémon.During your opponent's next turn, the Defending Pokémon's attacks cost Colorless more, and its Retreat Cost is Colorless more.
Both Active Pokémon are now Asleep. During your next turn, this Pokémon's attacks do 100 more damage to your opponent's Active Pokémon (before applying Weakness and Resistance).