Fate of the world

Destroy all nonland permanents
Suspend 10 {10}(Rather than cast this card from your hand, you may pay {10} and exile it with 10 time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)
If you paid its suspend cost, once resolved, You win the game and your opponents lose the game.