Cthulhu Great Old One

Flying Indestructable Hexproof Trample
{10}{u/b}{u/b}{u/b}{u/b}{u/b}{u/b} Your opponent discards the top 30 cards of their library.
{10}{u/b}{u/b}{u/b}{u/b}{u/b}{u/b} Destroy all permanents your opponent controls.
Cthulhu Can not be blocked
Considered a Great Old One within the
pantheon of Lovecraftian cosmic entities.