Great Cthulhu

Trample, Hexproof, Annihilator 2
Great Cthulhu can be played from exile.
Great Cthulhu Attacks each turn if able.
When Great Cthulhu would deal damage to a
player, that damage is divided equally among all players.
Great Cthulhu's power and toughness are equal
to the number of cards in play, all graveyards,
and all players hands.
Fear the Unknown