Cthulhu

Vigilance, Haste, Double-strike, Trample,
Hexproof, Annihilate 3
For each turn you control Cthulhu, take 2
damage and exile a card from the bottom of your library. If you cannot exile anymore cards, you
lose the game.
{x}{p/g}{p/g}Deal X damage to any target, where X is
the number of land cards on your Battlefield.