Apollyon, Bringer of Hell

+2: Create 2 3/3 Demonic Goat creature tokens with Bloodthirst and "Sacrifice this creature and play an Instant/Sorcery card from your hand for free"
-X: Exile X target creatures and create X 3/3 Demonic Goat Creature tokens.
-10: Create an Emblem with "Sacrifice X Goats and cast X cards from the top of any library divided among any number of players" Can be your commander