Requires

Rowan, Scion of War must be on the battlefield. Exsanguinate must be in hand. Necropotence must be on the battlefield. Rowan does not have summoning sickness. You have the highest life total. Mana needed:

Steps

1. Activate Necropotence by paying 1 life, exiling the top card of your library.
2. Repeat step 1 until you have paid an amount of life equal to the highest life total among your opponents.
3. Activate Rowan by tapping it, reducing the cost of all black and/or red spells you cast this turn.
4. Cast Exsanguinate, choosing for X to equal the amount of life you've lost this turn, but paying a total of due to Rowan's ability.
5. Resolve Exsanguinate, causing each opponent to lose X life, and you to gain life equal to the life lost this way.
6. Each opponent loses the game due to having 0 or less life.

Results