Ability ⇢ Nightmare Star
When you play this Pokémon from your hand onto your Bench during your turn, you may attach 2 {D} Energy cards from your hand to it.

{D}{D}{D}{D} → Abyssal Sleep : 120
Your opponent’s Active Pokémon is now Asleep. Your opponent flips 2 coins instead of 1 between turns. If either of them is tails, that Pokémon is still Asleep.