Hudson Time Weaver EV.

Devoid
Indestructible

Play this creature onto Hudson, it's mana value becomes {u}{u}{r} for the rest of the game.

Destroy half your lands rounded down. Exile all opponents lands. Destroy half of your creatures rounded up. Exile all other creatures your opponents control.
{7} Create a Rock Token, a rock Token is a 0/1.
If you control 10 Rock Tokens, you win the game.