Avicebron, Golem Prodigy

Ward {4}
{w}{b},{t}: Sacrifice a nongolem creature:
Create a 5/5 Golem creature token with undying.
{5}{w}{w}{b}{b},{t}:Exile legendary permanent
creature you control: Create Keter Malkuth, a legendary 15/15 Golem Avatar creature Token
with indestructible, and annihilator 1.
"Ahhh... My perfect creation..."