Nine Lives + Fractured Identity + Austere Command + Platinum Angel

Nine Lives

Fractured Identity

Austere Command

Platinum Angel

How it works

1. Cast Fractured Identity by paying 3, exiling Nine Lives and causing each opponent to create a token copy of it.
2. Nine Lives leaves the battlefield, however you cannot lose the game due to Platinum Angel.
3. Cast Austere Command by paying 4, destroying all enchantments.
4. Each opponent's Nine Lives leaves the battlefield, causing them to lose the game.