Restoration

Once during your turn (before your attack), if this Pokémon is in your discard pile, you may put it onto your Bench. Then, attach a Darkness Energy card from your discard pile to this Pokémon.

Dark Cleave

This attack's damage isn't affected by Resistance.

Dead End-GX

If your opponent's Active Pokémon is affected by a Special Condition, that Pokémon is Knocked Out. (You can't use more than 1 GX attack in a game.)

Darkrai-GX

Found in Shining Legends Shiny Darkrai GX Collection Box