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 Nine Lives.
Nine Lives leaves the battlefield, triggering its ability.
Holding priority, activate Magus of the Disk by paying ({1} magic symbol) and tapping it, destroying all artifacts, creatures, and enchantments.
Each opponent's Nine Lives triggers, causing them to lose the game.