Cast Sedraxis Alchemist by paying {0}.
Sedraxis Alchemist enters the battlefield, returning itself to your hand.
Repeat.

Infinite creature ETB

Infinite creature LTB

Infinite storm count

Sedraxis Alchemist

Rooftop Storm

Cast Sidisi by paying {0}.
Sidisi's exploit ability triggers, sacrificing itself.
Sidisi triggers, searching your library for Rot Hulk, putting it in your hand and shuffling your library.
Cast Rot Hulk by paying {0}.
Rot Hulk enters the battlefield, returning Sidisi and Carrion Feeder, if applicable, from your graveyard to the battlefield.
Sidisi's exploit ability triggers, sacrificing itself.
Sidisi triggers, searching your library for Sedraxis Alchemist, putting it in your hand and shuffling your library.
Cast Sedraxis Alchemist by paying {0}.
Sedraxis Alchemist enters the battlefield, returning Rot Hulk from the battlefield to your hand.
Activate Carrion Feeder by sacrificing Sedraxis Alchemist, putting a +1/+1 counter on Carrion Feeder.
Cast Rot Hulk by paying {0}.
Rot Hulk enters the battlefield, returning Sidisi and Sedraxis Alchemist from your graveyard to the battlefield.
Sidisi and Sedraxis Alchemist enter the battlefield, triggering Sidisi's exploit ability and Sedraxis Alchemist.
Resolve the Sidisi exploit trigger, sacrificing itself.
Sidisi triggers, searching your library for Gray Merchant of Asphodel, putting it in your hand and shuffling your library.
Resolve the Sedraxis Alchemist trigger, returning Rot Hulk from the battlefield to your hand.
Cast Gray Merchant of Asphodel by paying {0}.
Gray Merchant of Asphodel enters the battlefield, causing each opponent to lose life equal to your devotion to black and causing you to gain life equal to the life lost this way.
Activate Carrion Feeder by sacrificing Gray Merchant of Asphodel and Sedraxis Alchemist, putting two +1/+1 counters on Carrion Feeder.
Cast Rot Hulk by paying {0}.
Rot Hulk enters the battlefield, returning Gray Merchant of Asphodel and Sedraxis Alchemist from your graveyard to the battlefield.
Gray Merchant of Asphodel and Sedraxis Alchemist enter the battlefield, triggering their abilities.
Resolve the Gray Merchant of Asphodel trigger, causing each opponent to lose life equal to your devotion to black and causing you to gain life equal to the life lost this way.
Resolve the Sedraxis Alchemist trigger, returning Rot Hulk from the battlefield to your hand.
Repeat from step 19.

Each opponent loses the game

Infinite +1/+1 counters on a creature

Infinite death triggers

Infinite lifegain

Infinite lifegain triggers

Infinite lifeloss

Infinite creature sacrifice triggers

Sidisi, Undead Vizier

Gray Merchant of Asphodel

Rot Hulk

Carrion Feeder

Cast Sidisi by paying {0}.
Sidisi's exploit ability triggers, sacrificing itself.
Sidisi triggers, searching your library for Rot Hulk, putting it in your hand and shuffling your library.
Cast Rot Hulk by paying {0}.
Rot Hulk enters the battlefield, returning Sidisi and Nantuko Husk, if applicable, from your graveyard to the battlefield.
Sidisi's exploit ability triggers, sacrificing itself.
Sidisi triggers, searching your library for Sedraxis Alchemist, putting it in your hand and shuffling your library.
Cast Sedraxis Alchemist by paying {0}.
Sedraxis Alchemist enters the battlefield, returning Rot Hulk from the battlefield to your hand.
Activate Nantuko Husk by sacrificing Sedraxis Alchemist, giving Nantuko Husk +2/+2 until end of turn.
Cast Rot Hulk by paying {0}.
Rot Hulk enters the battlefield, returning Sidisi and Sedraxis Alchemist from your graveyard to the battlefield.
Sidisi and Sedraxis Alchemist enter the battlefield, triggering Sidisi's exploit ability and Sedraxis Alchemist.
Resolve the Sidisi exploit trigger, sacrificing itself.
Sidisi triggers, searching your library for Gray Merchant of Asphodel, putting it in your hand and shuffling your library.
Resolve the Sedraxis Alchemist trigger, returning Rot Hulk from the battlefield to your hand.
Cast Gray Merchant of Asphodel by paying {0}.
Gray Merchant of Asphodel enters the battlefield, causing each opponent to lose life equal to your devotion to black and causing you to gain life equal to the life lost this way.
Activate Nantuko Husk by sacrificing Gray Merchant of Asphodel and Sedraxis Alchemist, giving Nantuko Husk +4/+4 until end of turn.
Cast Rot Hulk by paying {0}.
Rot Hulk enters the battlefield, returning Gray Merchant of Asphodel and Sedraxis Alchemist from your graveyard to the battlefield.
Gray Merchant of Asphodel and Sedraxis Alchemist enter the battlefield, triggering their abilities.
Resolve the Gray Merchant of Asphodel trigger, causing each opponent to lose life equal to your devotion to black and causing you to gain life equal to the life lost this way.
Resolve the Sedraxis Alchemist trigger, returning Rot Hulk from the battlefield to your hand.
Repeat from step 19.

Infinitely large creature until end of turn

Nantuko Husk

Combos with "Sedraxis Alchemist"