Vantress Gargoyle (ELD) from Throne of Eldraine, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Cristi Balanescu
• Card Text:
  Flying
  Vantress Gargoyle can’t attack unless defending player has seven or more cards in their graveyard.
  Vantress Gargoyle can’t block unless you have four or more cards in hand.
  T: Each player puts the top card of their library into their graveyard.