Dauthi Voidwalker (TDC) from Tarkir: Dragonstorm Commander, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Sidharth Chaturvedi
• Card Text:
  Shadow (This creature can block or be blocked by only creatures with shadow.)
  If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it.
  T, Sacrifice this creature: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.