Zariel, Black-hearted

+1: Add {R}{R}. Exile the top card of your library. Until end of turn, you may cast that card.
+1: Zariel, Black-hearted deals 4 damage to target creature or planeswalker unless its controller has Zariel deal 4 damage to them.
X: Create X 1/1 red Devil creature tokens with “When this creature dies, it deals 1 damage to any target.”