Crixith, Unbound

0: Discard the top card of each opponent's library. If one is a creature, put 2 loyalty counters on Crixith.
-3: Put a 1/1 Crixith's Servant creature token with "This creature gets +2/+2 for each loyalty counter on Crixith" onto the battlefield.
-7: Create an emblem that says: Crixith: "Whenever a creature dies, target opponent takes 4 damage." Then destroy 4 target creatures.