Whisperwood Elemental (MKC) from Murders at Karlov Manor Commander, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Raymond Swanland
• Card Text:
  At the beginning of your end step, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
  Sacrifice Whisperwood Elemental: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library."