Cast Fractured Identity by paying ({3} magic symbol) ({W} magic symbol) ({U} magic symbol) , exiling Nine Lives and causing each opponent to create a token copy of it.
Nine Lives triggers. Holding priority, activate Nevinyrral's Disk by paying ({1} magic symbol) and tapping it, destroying all creatures, artifacts and enchantments.
Each opponent's Nine Lives leaves the battlefield, causing them to lose the game.