Elizabeth, Hive Mind

: When Elizabeth Greene enters the battlefield, put X loyalty counters on it, where X is the total number of creatures in graveyards and in exile.
-1: Create a 1/1 black and green Horror creature token with deathtouch.
-10: Create an X/X green Horror creature token with trample and indestructible, where X is the combined power of creatures in graveyards and in exile.