Ermac

: When Ermac enters the field, deal 5 damage to all creatures your opponents controls. If any creatures would die, exile them instead.
+1: Soul snare: Exile target creature on the field and gain health equal to its power.
-7: Deal 3 damage to opponent and gain life equal to the life they lost. If they don't summon a creature each turn, deal 3 damage to them each turn.