Rowan, Scion of War + Debt to the Deathless + Necropotence

Prerequisites

• Your life total is equal to or greater than half the highest life total among your opponents, rounded up.
• Rowan does not have summoning sickness.

Steps

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

Effects

• Each opponent loses the game
• Near-infinite lifegain
• Near-infinite lifeloss