The Doomsday Clock

{1}{t}: Add or remove one time counter from this
card. This ability costs {1} more to activate for each
time counter on this card.
Any player may activate this ability and can only activate it any time they could cast a sorcery.
At the beginning of each end step, if four or more creatures died this turn, proliferate.
At the beginning of , if The Doomsday Clock has
at least twelve time counters on it, you win the
game.