Dokrus, Planar Finality

Flying, Menace.
If Dokrus, Planar Finality would deal damage to
a creature of player, exile X other permanents at random, where X is Dokrus, Planar Finality's
power.
If Dokrus, Planar Finality is the only permanent
on the battlefield at any time, you win the game.
"Only I can be eternal"