Sidisi, Undead Vizier + Rooftop Storm + Sedraxis Alchemist + Gray Merchant of Asphodel + Rot Hulk + Nantuko Husk

Sidisi, Undead Vizier
Rooftop Storm
Sedraxis Alchemist
Gray Merchant of Asphodel
Rot Hulk
Nantuko Husk

Requires
Sidisi, Undead Vizier must be in hand. Rooftop Storm must be on the battlefield. Sedraxis Alchemist must be in the library. Gray Merchant of Asphodel must be in the library. Rot Hulk must be in the library. Nantuko Husk must be on the battlefield, or in the graveyard. You have at least two opponents.
Steps
  1. Cast Sidisi by paying 0.
  2. Sidisi's exploit ability triggers, sacrificing itself.
  3. Sidisi triggers, searching your library for Rot Hulk, putting it in your hand and shuffling your library.
  4. Cast Rot Hulk by paying 0.
  5. Rot Hulk enters the battlefield, returning Sidisi and Nantuko Husk, if applicable, from your graveyard to the battlefield.
  6. Sidisi's exploit ability triggers, sacrificing itself.
  7. Sidisi triggers, searching your library for Sedraxis Alchemist, putting it in your hand and shuffling your library.
  8. Cast Sedraxis Alchemist by paying 0.
  9. Sedraxis Alchemist enters the battlefield, returning Rot Hulk from the battlefield to your hand.
  10. Activate Nantuko Husk by sacrificing Sedraxis Alchemist, giving Nantuko Husk +2/+2 until end of turn.
  11. Cast Rot Hulk by paying 0.
  12. Rot Hulk enters the battlefield, returning Sidisi and Sedraxis Alchemist from your graveyard to the battlefield.
  13. Sidisi and Sedraxis Alchemist enter the battlefield, triggering Sidisi's exploit ability and Sedraxis Alchemist.
  14. Resolve the Sidisi exploit trigger, sacrificing itself.
  15. Sidisi triggers, searching your library for Gray Merchant of Asphodel, putting it in your hand and shuffling your library.
  16. Resolve the Sedraxis Alchemist trigger, returning Rot Hulk from the battlefield to your hand.
  17. Cast Gray Merchant of Asphodel by paying 0.
  18. 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.
  19. Activate Nantuko Husk by sacrificing Gray Merchant of Asphodel and Sedraxis Alchemist, giving Nantuko Husk +4/+4 until end of turn.
  20. Cast Rot Hulk by paying 0.
  21. Rot Hulk enters the battlefield, returning Gray Merchant of Asphodel and Sedraxis Alchemist from your graveyard to the battlefield.
  22. Gray Merchant of Asphodel and Sedraxis Alchemist enter the battlefield, triggering their abilities.
  23. 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.
  24. Resolve the Sedraxis Alchemist trigger, returning Rot Hulk from the battlefield to your hand.
  25. Repeat from step 19.
Results
Each opponent loses the game. Infinite death triggers. Infinite ETB. Infinite lifegain. Infinite lifegain triggers. Infinite lifeloss. Infinite LTB. Infinitely large Nantuko Husk until end of turn. Infinite sacrifice triggers. Infinite storm count.

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High Synergy Cards
Carrion Feeder
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Diregraf Captain
86% of 14 decks +82% synergy
Gravecrawler
79% of 14 decks +76% synergy
Relentless Dead
71% of 14 decks +71% synergy
Cryptbreaker
71% of 14 decks +70% synergy
Diregraf Colossus
71% of 14 decks +70% synergy
Undead Augur
71% of 14 decks +69% synergy
Liliana, Untouched by Death
64% of 14 decks +64% synergy
Top Cards
Headless Rider
64% of 14 decks +63% synergy
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64% of 14 decks +57% synergy
Ashnod's Altar
64% of 14 decks +57% synergy
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64% of 14 decks +49% synergy
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57% of 14 decks +54% synergy
Altar of Dementia
57% of 14 decks +54% synergy
Creatures
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Accursed Marauder
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Acererak the Archlich
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Plague Belcher
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Fleshbag Marauder
50% of 14 decks +46% synergy
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43% of 14 decks +43% synergy
Putrid Goblin
43% of 14 decks +42% synergy
Ebondeath, Dracolich
43% of 14 decks +42% synergy
Lord of the Undead
43% of 14 decks +42% synergy
Phyrexian Delver
43% of 14 decks +42% synergy
Ravenous Rotbelly
36% of 14 decks +35% synergy
Vengeful Dead
36% of 14 decks +35% synergy
Noxious Ghoul
36% of 14 decks +35% synergy
Undead Butler
36% of 14 decks +35% synergy
Shambling Ghast
36% of 14 decks +35% synergy
Tormod, the Desecrator
36% of 14 decks +35% synergy
Hordewing Skaab
36% of 14 decks +35% synergy
Stitcher's Supplier
36% of 14 decks +33% synergy
Corpse Blockade
29% of 14 decks +29% synergy
Graveborn Muse
29% of 14 decks +28% synergy
Archghoul of Thraben
29% of 14 decks +28% synergy
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29% of 14 decks +28% synergy
Fell Stinger
29% of 14 decks +28% synergy
Vile Entomber
29% of 14 decks +26% synergy
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29% of 14 decks +26% synergy
Zulaport Cutthroat
29% of 14 decks +19% synergy
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21% of 14 decks +20% synergy
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21% of 14 decks +19% synergy
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21% of 14 decks +14% synergy
Instants
Vampiric Tutor
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Malakir Rebirth
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Living Death
43% of 14 decks +38% synergy
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21% of 14 decks +15% synergy
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Mana Artifacts
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