Perfection, Gods horror

Deathtouch, Double Strike, Frist Strike, Flash, Flying, Haste, Indestructible, LifeLink, Menace, Reach, Trample, Vigilance, Ascend, Cascade, Convoke, Delve, Evoke, Proliferate, Undying, Phasing.
Annihilator {x}, Ward {x}, Afterlife {x}, Absorb {x}, Devour {x}, Rampage {x}.
When Perfection enters the battlefield Mill {x}, scry {x}.
Perfection gets +1/+1 for every card in each player's graveyard.

"Humanity failed, Xenomorphs failed, daleks failed all attempts at perfection, and I stand here, above