Cast Fractured Identity by paying {3}{W}{U}, exiling Nine Lives and causing each opponent to create a token copy of it.
Nine Lives triggers. Holding priority, activate Tranquil Grove by paying {1}{G}{G}, destroying all other enchantments.
Each opponent's Nine Lives leaves the battlefield, causing them to lose the game.

Each opponent loses the game

Nine Lives

Fractured Identity

Tranquil Grove

Cast Fractured Identity by paying {3}{W}{U}, exiling Lich and causing each opponent to create a token copy of Lich, and lose life equal to their life totals due to Lich's effect.
You cannot lose the game due to having 0 or less life due to Platinum Angel.
Activate Tranquil Grove by paying {1}{G}{G}, destroying all other enchantments.
Each opponent's Lich triggers, causing them to lose the game.

Combos with "Tranquil Grove"