Activate Vizkopa Guildmage's second ability by paying {1}{W}{B}.
Cast Toxic Deluge by paying {2}{B}, and paying an amount of life equal to your life total minus 1.
Holding priority, activate Children of Korlis by sacrificing it, causing you to gain life equal to the amount of life you've lost this turn.
Vizkopa Guildmage triggers, causing each opponent to lose life equal to the life you gained.

Near-infinite lifeloss

Vizkopa Guildmage

Children of Korlis

Toxic Deluge

Activate Vizkopa Guildmage's second ability by paying {1}{W}{B}, causing each opponent to lose life whenever you gain life this turn.
Activate Wall of Blood by paying 1 life.
Repeat step 2 until you have 1 life.
Activate Children of Korils by sacrificing it, causing you to gain life equal to the amount of life you've lost this turn.
Vizkopa Guildmage triggers, causing each opponent to lose life equal to the amount of life you gained.

Wall of Blood

Activate Vizkopa Guildmage by paying {1}{W}{B}, causing each opponent to lose life whenever you gain life this turn.
Cast Pain's Reward by paying {2}{B}, betting a number equal to your life total minus 1.
If you win the bid, resolve Pain's Reward, causing you to lose that much life and draw four cards.
Activate Children of Korlis by sacrificing it, causing you to gain life equal to the life you've lost this turn.
Vizkppa Guildmage triggers, causing each opponent to lose life equal to the life you gained.

Pain's Reward

Activate Vizkopa Guildmage's second ability by paying {1}{W}{B}, causing each opponent to lose life whenever you gain life this turn.
Cast Plunge into Darkness by paying {1}{B}, choosing to pay an amount of life equal to the greatest lifetotal among opponent, then look at that many cards from the top of your library, putting one into your hand and exiling the rest.
Activate Children of Korils by sacrificing it, causing you to gain life equal to the amount of life you've lost this turn.
Vizkopa Guildmage triggers, causing each opponent to lose life equal to the amount of life you gained.
Each opponent loses the game due to having zero or less life.

Each opponent loses the game

Plunge into Darkness

Cast Children of Korlis either from your hand by paying {W} or from the top of your library by paying 1 life.
Activate Children of Korlis by sacrificing it.
When Children of Korlis dies, Mortuary triggers, putting Children of Korlis from your graveyard onto the top of your library.
Resolve the Children of Korlis ability, causing you to gain life equal to the life you've lost this turn.
Repeat.

Infinite death triggers

Infinite creature ETB

Infinite lifegain

Infinite lifegain triggers

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite storm count

Mortuary

Bolas's Citadel

If you have a life total of 4 or higher, activate Treasonous Ogre by paying 3 life, adding {R}.
Repeat step 1 until you have 3 or fewer life or until you have {8} available.
Activate Lin Sivvi's first ability by paying {1} and tapping it, searching your library for Children of Korlis and putting it onto the battlefield.
Activate Children of Korlis by sacrificing it, causing you to gain life equal to the life you've lost this turn.
Repeat steps 1 and 2 once.
Activate Lin Sivvi's second ability by paying {3}, putting Children of Korlis from your graveyard onto the bottom of your library.
Activate Staff of Domination's third ability by paying {3}, untapping Lin Sivvi.
Activate Staff of Domination's first ability by paying {1}, untapping it.
Repeat from step 3.

Infinite red mana

Infinite card draw

Infinite untap of creatures you control

Infinite draw triggers

Infinite mana creatures you control can produce

Put all Rebels from your library onto the battlefield

Lin Sivvi, Defiant Hero

Treasonous Ogre

Staff of Domination

Activate Children of Korlis by sacrificing it, gaining life equal to the amount of life you have lost this turn.
Magnanimous Magistrate triggers, causing you to remove a reprieve counter from it and return Children of Korlis from your graveyard to the battlefield.
Evolution Sage triggers, proliferating, putting a reprieve counter on Magnanimous Magistrate.
Repeat.

Infinite landfall triggers

Magnanimous Magistrate

Ashaya, Soul of the Wild

Evolution Sage

Combos with "Children of Korlis"