Cast Beacon of Immortality by paying {5}{W}, doubling your life total and shuffling Beacon of Immortality into your library.
Activate Will by tapping it, reducing the cost of all white and/or blue spells you cast this turn.
Cast Debt to the Deathless, choosing for X to equal the amount of life you've gained this turn, but paying a total of {W}{W}{B}{B} due to Will's ability.
Resolve Debt to the Deathless, causing each opponent to lose twice X life, and you to gain life equal to the life lost this way.
Each opponent loses the game due to having 0 or less life.

Each opponent loses the game

Near-infinite lifegain

Near-infinite lifeloss

Will, Scion of Peace

Debt to the Deathless

Beacon of Immortality

Cast Revenge by paying {4}{W}{B}, doubling your life total and causing target opponent to lose half their life total, rounded up.
Activate Will by tapping it, reducing the cost of all white and/or blue spells you cast this turn.
Cast Debt to the Deathless, choosing for X to equal the amount of life you've gained this turn, but paying a total of {W}{W}{B}{B} due to Will's ability.
Resolve Debt to the Deathless, causing each opponent to lose twice X life, and you to gain life equal to the life lost this way.
Each opponent loses the game due to having 0 or less life.

Revival // Revenge

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

Rowan, Scion of War

Necropotence

Activate Wall of Blood by paying 1 life, giving it +1/+1 until end of turn.
Repeat step 1 until you have paid an amount of life equal to half the highest life total among your opponents, rounded up.
Activate Rowan by tapping it, reducing the cost of all black and/or red spells you cast this turn.
Cast Debt to the Deathless, choosing for X to equal the amount of life you've lost this turn, but paying a total of {W}{W}{B}{B} due to Rowan's ability.
Resolve Debt to the Deathless, causing each opponent to lose twice X life, and you to gain life equal to the life lost this way.
Each opponent loses the game due to having 0 or less life.

Wall of Blood

Cast a copy of Channel by paying {G}{G}.
Activate the ability granted by Channel by paying 1 life, adding {C}.
Repeat step 2 as desired.
Cast Debt to the Deathless by paying {W}{W}{B}{B} and all remaining available mana, causing each opponent to lose a significant amount of life and you to gain life equal to the life lost this way.

Yavimaya Bloomsage // Channel

Activate Lord of the Forsaken's second ability by paying 1 life, adding {C} that can only be spent to cast spells from your graveyard.
Repeat step 1 until you have paid an amount of life equal to half the highest life total among your opponents, rounded up.
Activate Rowan by tapping it, reducing the cost of all black and/or red spells you cast this turn.
Cast Debt to the Deathless, choosing for X to equal the amount of life you've lost this turn, but paying a total of {W}{W}{B}{B} due to Rowan's ability.
Resolve Debt to the Deathless, causing each opponent to lose twice X life, and you to gain life equal to the life lost this way.
Each opponent loses the game due to having 0 or less life.

Combos with "Debt to the Deathless"