Darkrai GX - SV70/SV94 - Shiny Holo Rare from Sun & Moon: Hidden Fates Shiny Vault, available at 401 Games Canada.

• Rarity: Shiny Holo Rare
• Finish: Holofoil
• Card Text:
  Ability — Restoration
  Once during your turn (before your attack), if this Pokemon is in your discard pile, you may put it onto your Bench. Then, attach a Darkness Energy card from your discard pile to this Pokemon.
  [1DD] Dark Cleave (130)
  This attack's damage isn't affected by Resistance.
  [1DD] Dead End GX
  If your opponent's Active Pokemon is affected by a Special Condition, that Pokemon is Knocked Out. (You can't use more than 1 GX attack in a game.)