Yawgmoth Aberrant Ancient

+2: Create two 1/1 black Pyretic creature tokens, with flying and infect. They have haste, exile them at the end of combat on your turn.
-3: Sacrifice a creature, then proliferate X where X is equal to that creature's mana cost.
-7: Creatures you control gain infect and can't be the target of white spells or abilities, until end of turn.