The Old One

+2: Create a 10/10 Cthulhu with Indestructible, trample, vigilance, death touch, doublesstike, lifelink and flying, you lose 10 life.
-3: Destory target enemy creature and a 10/10 Cthulhu, you gain 10 life and the amount of life the target enemy creature has.
-10: Create 10 10/10 Cthulhu with Indestructible, trample, vigilance, death touch, doublesstike, lifelink and flying, you gain 10 life.