Than, The Demon

Indestructible, Hexproof, Flying, Trample, Deathtouch, Anihilator 6.
If you would draw a card while your library
has no cards in it, you win the game instead.
When Than, The Demon is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.
If Than, The Demon is exiled, you lose the
game.