Chthonian Nightmare
Priest of Gix
Fumulus, the Infestation
Umbral Collar Zealot

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You have at least eee.

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Priest of Gix.
2
When Priest of Gix dies, Fumulus's first ability triggers, creating a 1/1 Insect creature token.
3
Resolve the Umbral Collar Zealot ability, putting a +1/+1 counter on it.
4
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.
5
When Priest of Gix enters the battlefield, it triggers, adding .
6
Cast Chthonian Nightmare by paying 1.
7
When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
8
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite storm count
Infinite black mana
Infinite surveil
Sephiroth, Fabled SOLDIER
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K'rrik, Son of Yawgmoth
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New Cards
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High Synergy Cards
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Ashnod's Altar
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Top Cards
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Game Changers
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Creatures
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Instants
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Sorceries
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Utility Artifacts
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Altar of Bhaal
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Enchantments
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Tombstone Stairwell
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Animate Dead
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Attrition
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Thran Vigil
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Dance of the Dead
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Bloodchief Ascension
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Exquisite Blood
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Sanguine Bond
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Planeswalkers
Tevesh Szat, Doom of Fools
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Liliana, Dreadhorde General
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Utility Lands
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High Market
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Nykthos, Shrine to Nyx
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Midgar, City of Mako
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Susur Secundi, Void Altar
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Barad-dûr
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Shizo, Death's Storehouse
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53%synergy
Deserted Temple
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Urza's Saga
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39%synergy
Lake of the Dead
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31%synergy
Cabal Stronghold
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17%synergy
Bojuka Bog
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War Room
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8%synergy
Takenuma, Abandoned Mire
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6%synergy
Crypt of Agadeem
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10%synergy
Spymaster's Vault
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9%synergy
Witch's Cottage
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8%synergy
Mana Artifacts
Rakdos Signet
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75%synergy
Sol Ring
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5%synergy
Arcane Signet
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-15%synergy
The Soul Stone
56%inclusion19 decks34 decks
52%synergy
Mox Amber
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47%synergy
Lotus Petal
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10%synergy
Fellwar Stone
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-9%synergy
Mind Stone
8.6%inclusion3 decks35 decks
-6%synergy
Lands
Urza's Cave
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49%synergy
Gemstone Caverns
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29%synergy
Bloodstained Mire
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-3%synergy
Myriad Landscape
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-7%synergy