Poké-Power
Darkness Shade
Once during your turn, when you put Darkrai from your hand onto your Bench, you may choose 1 of the Defending Pokémon. That Pokémon is now Asleep.
Dark Slumber
10
At the end of your opponent's next turn, the Defending Pokémon is now Asleep.
Dark Resolve
40
If the Defending Pokémon is Asleep, remove 4 damage counters from Darkrai.