Chthonian Nightmare + Priest of Gix + Fumulus, the Infestation + Ashnod's Altar

Chthonian Nightmare
Priest of Gix
Fumulus, the Infestation
Ashnod's Altar

Requires
Chthonian Nightmare must be on the battlefield. Priest of Gix must be on the battlefield. Fumulus, the Infestation must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Priest of Gix, adding .
  2. When Priest of Gix dies, Fumulus's first ability triggers, creating a 1/1 Insect creature token.
  3. Activate Chthonian Nightmare by paying eee, sacrificing the Insect and returning Chthonian Nightmare from the battlefield to your hand, returning Priest of Gix from your graveyard to the battlefield.
  4. When Priest of Gix enters the battlefield, it triggers, adding .
  5. Cast Chthonian Nightmare by paying 1.
  6. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
  7. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers. Infinite colorless mana. Infinite storm count. Infinite black mana.

Fumulus, the Infestation
1.27% of 948 decks 12 decks
Ayara, First of Locthwain
0.06% of 3239 decks 2 decks
Syr Konrad, the Grim
0.04% of 2804 decks 1 decks
Yawgmoth, Thran Physician
0.03% of 3235 decks 1 decks
Braids, Arisen Nightmare
0.02% of 4346 decks 1 decks
Ozox, the Clattering King
0.20% of 498 decks 1 decks
New Cards
Sidisi, Regent of the Mire
25% of 4 decks +24% synergy
High Synergy Cards
Pitiless Plunderer
94% of 18 decks +81% synergy
Phyrexian Altar
89% of 18 decks +78% synergy
Warren Soultrader
78% of 18 decks +69% synergy
Ozox, the Clattering King
67% of 18 decks +66% synergy
Zulaport Cutthroat
83% of 18 decks +61% synergy
Ayara, First of Locthwain
83% of 18 decks +58% synergy
Grave Pact
72% of 18 decks +56% synergy
Braids, Arisen Nightmare
72% of 18 decks +56% synergy
Nether Traitor
61% of 18 decks +54% synergy
Reassembling Skeleton
67% of 18 decks +53% synergy
Top Cards
Jet Medallion
100% of 18 decks +46% synergy
Dark Ritual
89% of 18 decks +23% synergy
Blood Artist
78% of 18 decks +49% synergy
Feed the Swarm
78% of 18 decks +25% synergy
Skullclamp
72% of 18 decks +53% synergy
Crypt Ghast
72% of 18 decks +25% synergy
Bastion of Remembrance
61% of 18 decks +47% synergy
Viscera Seer
61% of 18 decks +46% synergy
Accursed Marauder
61% of 18 decks +45% synergy
Diabolic Intent
56% of 18 decks +42% synergy
Game Changers
Demonic Tutor
33% of 18 decks +4% synergy
Bolas's Citadel
33% of 18 decks +2% synergy
Tergrid, God of Fright
22% of 18 decks +14% synergy
Vampiric Tutor
22% of 18 decks -2% synergy
Chrome Mox
17% of 18 decks +10% synergy
The One Ring
17% of 18 decks +8% synergy
Creatures
Priest of Forgotten Gods
50% of 18 decks +43% synergy
Marionette Apprentice
50% of 18 decks +41% synergy
Mirkwood Bats
50% of 18 decks +40% synergy
Morbid Opportunist
50% of 18 decks +33% synergy
Endless Cockroaches
44% of 18 decks +43% synergy
Nine-Lives Familiar
44% of 18 decks +41% synergy
Pawn of Ulamog
44% of 18 decks +37% synergy
Yawgmoth, Thran Physician
44% of 18 decks +36% synergy
Fleshbag Marauder
44% of 18 decks +32% synergy
Wriggling Grub
39% of 18 decks +37% synergy
Vengeful Bloodwitch
39% of 18 decks +35% synergy
Bloodsoaked Champion
39% of 18 decks +35% synergy
Bloodghast
39% of 18 decks +33% synergy
Rankle, Master of Pranks
39% of 18 decks +25% synergy
Gray Merchant of Asphodel
39% of 18 decks -14% synergy
Sifter of Skulls
33% of 18 decks +30% synergy
Gravecrawler
33% of 18 decks +24% synergy
Carrion Feeder
33% of 18 decks +23% synergy
Dauthi Voidwalker
33% of 18 decks +17% synergy
Yahenni, Undying Partisan
28% of 18 decks +22% synergy
Mikaeus, the Unhallowed
28% of 18 decks +20% synergy
Plaguecrafter
28% of 18 decks +10% synergy
Tenacious Dead
22% of 18 decks +21% synergy
Haunt of the Dead Marshes
22% of 18 decks +21% synergy
Forsaken Miner
22% of 18 decks +19% synergy
Greedy Freebooter
22% of 18 decks +17% synergy
Demon's Disciple
22% of 18 decks +15% synergy
Grim Haruspex
22% of 18 decks +12% synergy
Ophiomancer
22% of 18 decks +11% synergy
Syr Konrad, the Grim
22% of 18 decks +2% synergy
Cathodion
17% of 18 decks +16% synergy
Brood of Cockroaches
17% of 18 decks +16% synergy
Putrid Goblin
17% of 18 decks +15% synergy
Ornithopter of Paradise
17% of 18 decks +14% synergy
Gravelighter
17% of 18 decks +13% synergy
Cult Conscript
17% of 18 decks +13% synergy
Infestation Sage
17% of 18 decks +13% synergy
Rottenmouth Viper
17% of 18 decks +12% synergy
Merciless Executioner
17% of 18 decks +12% synergy
Shambling Ghast
17% of 18 decks +12% synergy
Vein Ripper
17% of 18 decks +11% synergy
Blood Pet
17% of 18 decks +8% synergy
Jadar, Ghoulcaller of Nephalia
17% of 18 decks +8% synergy
Solemn Simulacrum
17% of 18 decks -9% synergy
Instants
Deadly Dispute
56% of 18 decks +36% synergy
Withering Torment
56% of 18 decks +26% synergy
Flare of Malice
50% of 18 decks +41% synergy
Culling the Weak
50% of 18 decks +37% synergy
Village Rites
50% of 18 decks +27% synergy
Soul Shatter
33% of 18 decks +21% synergy
Malakir Rebirth
33% of 18 decks +13% synergy
Sheoldred's Edict
28% of 18 decks +15% synergy
Vona's Hunger
22% of 18 decks +17% synergy
Saw in Half
22% of 18 decks +17% synergy
Corrupted Conviction
22% of 18 decks +11% synergy
Deadly Rollick
22% of 18 decks +1% synergy
Liliana's Triumph
17% of 18 decks +10% synergy
Not Dead After All
17% of 18 decks +7% synergy
Fell the Profane
17% of 18 decks +0% synergy
Cabal Ritual
17% of 18 decks -1% synergy
Imp's Mischief
17% of 18 decks -4% synergy
Sorceries
Victimize
56% of 18 decks +33% synergy
Toxic Deluge
56% of 18 decks +21% synergy
Blasphemous Edict
50% of 18 decks +32% synergy
Reanimate
44% of 18 decks +10% synergy
Beseech the Mirror
39% of 18 decks +32% synergy
Living Death
33% of 18 decks +22% synergy
Season of Loss
22% of 18 decks +20% synergy
Dread Return
22% of 18 decks +9% synergy
Sign in Blood
22% of 18 decks -16% synergy
Come Back Wrong
17% of 18 decks +14% synergy
Eaten Alive
17% of 18 decks +13% synergy
Innocent Blood
17% of 18 decks +12% synergy
Buried Alive
17% of 18 decks +6% synergy
Grim Tutor
17% of 18 decks +4% synergy
Night's Whisper
17% of 18 decks -7% synergy
Utility Artifacts
Bontu's Monument
44% of 18 decks +17% synergy
Altar of Dementia
28% of 18 decks +22% synergy
Lightning Greaves
28% of 18 decks -5% synergy
Nim Deathmantle
17% of 18 decks +13% synergy
Wayfarer's Bauble
17% of 18 decks -2% synergy
Mind Stone
17% of 18 decks -18% synergy
Enchantments
Funeral Room // Awakening Hall
50% of 18 decks +45% synergy
The Meathook Massacre
44% of 18 decks +29% synergy
Phyrexian Reclamation
39% of 18 decks +28% synergy
Necropotence
33% of 18 decks +17% synergy
Black Market Connections
33% of 18 decks +13% synergy
Phyrexian Arena
28% of 18 decks -12% synergy
Bitterblossom
22% of 18 decks +12% synergy
Bloodchief Ascension
22% of 18 decks +12% synergy
Dictate of Erebos
22% of 18 decks +12% synergy
Animate Dead
22% of 18 decks +4% synergy
Black Market
22% of 18 decks +1% synergy
Carnival of Souls
17% of 18 decks +15% synergy
Dark Prophecy
17% of 18 decks +13% synergy
Planeswalkers
Liliana, Dreadhorde General
22% of 18 decks +11% synergy
Utility Lands
Bojuka Bog
61% of 18 decks +15% synergy
Urborg, Tomb of Yawgmoth
56% of 18 decks +17% synergy
Phyrexian Tower
50% of 18 decks +29% synergy
Cabal Coffers
50% of 18 decks -6% synergy
Witch's Cottage
44% of 18 decks +20% synergy
Swarmyard
39% of 18 decks +33% synergy
Cabal Stronghold
39% of 18 decks +1% synergy
Castle Locthwain
33% of 18 decks +14% synergy
Spymaster's Vault
28% of 18 decks +19% synergy
Takenuma, Abandoned Mire
28% of 18 decks +11% synergy
Nykthos, Shrine to Nyx
28% of 18 decks -2% synergy
Reliquary Tower
28% of 18 decks -4% synergy
Barad-dûr
17% of 18 decks +13% synergy
Volrath's Stronghold
17% of 18 decks +13% synergy
Three Tree City
17% of 18 decks +12% synergy
Lake of the Dead
17% of 18 decks +11% synergy
Mortuary Mire
17% of 18 decks +3% synergy
War Room
17% of 18 decks +0% synergy
Mana Artifacts
Sol Ring
83% of 18 decks -3% synergy
Arcane Signet
78% of 18 decks +15% synergy
Fellwar Stone
44% of 18 decks +29% synergy
Thought Vessel
33% of 18 decks +5% synergy
Throne of Eldraine
28% of 18 decks +16% synergy
Lands
Urza's Cave
22% of 18 decks +14% synergy
Demolition Field
17% of 18 decks +11% synergy