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 leaves the battlefield, however you cannot lose the game due to Platinum Angel.
Cast Cleansing Nova by paying ({3} magic symbol) ({W} magic symbol) ({W} magic symbol) , destroying all artifacts and enchantments.
Each opponent's Nine Lives leaves the battlefield, causing them to lose the game.