Randall, Shadow Operator

+2: Create a 1/1 black shadow creature token with lifelink and "whenever this creature deals damage to an angel, exile it and this creature."
0: Exile a creature card in a graveyard, Randall becomes a copy of it until end of turn except he keeps his abilities, and types and has haste.
-7: You get an emblem with "at the beginning of your upkeep, this emblem deals 1 damage to any target for each creature card in exile" draw a card.