Chthonian Nightmare
Priest of Gix
Skittering Precursor
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, Skittering Precursor triggers, creating a 0/1 Eldrazi Spawn creature token.
3
Resolve the Umbral Collar Zealot ability
4
Activate Chthonian Nightmare by paying eee, sacrificing the Eldrazi Spawn 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
Rakdos, the Muscle
5.2%inclusion287 decks5.51K decks
Juri, Master of the Revue
0.0%inclusion3 decks6.36K decks
Silvar, Devourer of the Free // Trynn, Champion of Freedom
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Alesha, Who Laughs at Fate
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Slimefoot and Squee
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The Balrog, Durin's Bane
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Child of Alara
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Dargo, the Shipwrecker // Tevesh Szat, Doom of Fools
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Carnage, Crimson Chaos
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Extus, Oriq Overlord
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Missy
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New Cards
Flashback
4.3%inclusion2 decks47 decks
1%synergy
Grave Researcher
4.1%inclusion2 decks49 decks
1%synergy
Emeritus of Woe
2.6%inclusion1 decks39 decks
0%synergy
Slash, Reptile Rampager
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0%synergy
Casey Jones, Vigilante
0.7%inclusion1 decks140 decks
1%synergy
High Synergy Cards
Ingot Chewer
94%inclusion282 decks301 decks
93%synergy
Priest of Urabrask
93%inclusion279 decks301 decks
92%synergy
Shriekmaw
92%inclusion277 decks301 decks
90%synergy
Burnt Offering
92%inclusion277 decks301 decks
90%synergy
Reckless Barbarian
90%inclusion271 decks301 decks
89%synergy
Forsaken Miner
90%inclusion270 decks301 decks
88%synergy
Impulsive Pilferer
88%inclusion264 decks301 decks
86%synergy
Greedy Freebooter
86%inclusion258 decks301 decks
84%synergy
Grief
83%inclusion250 decks301 decks
83%synergy
Poxwalkers
82%inclusion248 decks301 decks
82%synergy
Top Cards
Dark Ritual
92%inclusion277 decks301 decks
67%synergy
Ashnod's Altar
88%inclusion264 decks301 decks
81%synergy
Viscera Seer
85%inclusion256 decks301 decks
77%synergy
Fury
83%inclusion250 decks301 decks
82%synergy
Warren Soultrader
81%inclusion244 decks301 decks
76%synergy
Sacrifice
81%inclusion243 decks301 decks
80%synergy
Infernal Plunge
79%inclusion238 decks301 decks
78%synergy
Shambling Ghast
75%inclusion227 decks301 decks
74%synergy
Blood Pet
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74%synergy
Culling the Weak
75%inclusion227 decks301 decks
71%synergy
Game Changers
Underworld Breach
54%inclusion163 decks301 decks
48%synergy
Demonic Tutor
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30%synergy
Vampiric Tutor
48%inclusion143 decks301 decks
33%synergy
Mana Vault
45%inclusion136 decks301 decks
39%synergy
Ancient Tomb
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36%synergy
Chrome Mox
43%inclusion128 decks301 decks
37%synergy
Orcish Bowmasters
41%inclusion124 decks301 decks
33%synergy
Lion's Eye Diamond
37%inclusion112 decks301 decks
35%synergy
Grim Monolith
31%inclusion92 decks301 decks
29%synergy
Imperial Seal
30%inclusion90 decks301 decks
25%synergy
Creatures
Dargo, the Shipwrecker
74%inclusion222 decks301 decks
74%synergy
Party Thrasher
71%inclusion213 decks301 decks
69%synergy
Timeline Culler
70%inclusion212 decks301 decks
70%synergy
Golgari Thug
70%inclusion211 decks301 decks
69%synergy
Pinnacle Monk
69%inclusion208 decks301 decks
64%synergy
Boggart Trawler
64%inclusion194 decks301 decks
61%synergy
K'rrik, Son of Yawgmoth
64%inclusion193 decks301 decks
62%synergy
Simian Spirit Guide
55%inclusion165 decks301 decks
49%synergy
Charming Scoundrel
50%inclusion150 decks301 decks
49%synergy
Pitiless Plunderer
49%inclusion147 decks301 decks
40%synergy
Flamekin Harbinger
49%inclusion146 decks301 decks
48%synergy
Ragavan, Nimble Pilferer
49%inclusion146 decks301 decks
41%synergy
Mayhem Devil
49%inclusion146 decks301 decks
39%synergy
Hexing Squelcher
48%inclusion74 decks154 decks
39%synergy
Sephiroth, Fabled SOLDIER
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45%synergy
Blood Artist
47%inclusion141 decks301 decks
35%synergy
Skirk Prospector
45%inclusion135 decks301 decks
43%synergy
Patron of the Arts
44%inclusion133 decks301 decks
43%synergy
Birgi, God of Storytelling
43%inclusion130 decks301 decks
38%synergy
Mindslicer
41%inclusion122 decks301 decks
40%synergy
Carrion Feeder
40%inclusion121 decks301 decks
36%synergy
Offalsnout
37%inclusion111 decks301 decks
37%synergy
________ Goblin
34%inclusion102 decks301 decks
33%synergy
Atsushi, the Blazing Sky
34%inclusion102 decks301 decks
32%synergy
Master of Dark Rites
30%inclusion91 decks301 decks
29%synergy
Thunderscape Familiar
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29%synergy
Treasonous Ogre
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28%synergy
Cathodion
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28%synergy
Prosper, Tome-Bound
26%inclusion78 decks301 decks
23%synergy
Dualcaster Mage
25%inclusion75 decks301 decks
21%synergy
Hoarding Broodlord
25%inclusion74 decks301 decks
23%synergy
Deadpool, Trading Card
24%inclusion72 decks301 decks
22%synergy
Accursed Marauder
22%inclusion67 decks301 decks
17%synergy
Ruthless Technomancer
22%inclusion66 decks301 decks
20%synergy
Spider-Punk
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20%synergy
Reassembling Skeleton
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17%synergy
Opposition Agent
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14%synergy
Myr Moonvessel
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18%synergy
Nine-Lives Familiar
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17%synergy
Dauthi Voidwalker
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11%synergy
Pawn of Ulamog
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15%synergy
Zulaport Cutthroat
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8%synergy
Valki, God of Lies
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14%synergy
Popular Egotist
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14%synergy
Braids, Arisen Nightmare
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7%synergy
Mahadi, Emporium Master
13%inclusion39 decks301 decks
8%synergy
Gravecrawler
13%inclusion38 decks301 decks
9%synergy
Morbid Opportunist
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5%synergy
Solemn Simulacrum
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-1%synergy
Goblin Recruiter
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9%synergy
Instants
Flare of Duplication
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63%synergy
Cabal Ritual
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57%synergy
Entomb
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52%synergy
Deflecting Swat
56%inclusion170 decks301 decks
39%synergy
Songs of the Damned
55%inclusion167 decks301 decks
54%synergy
Red Elemental Blast
53%inclusion159 decks301 decks
47%synergy
Pyroblast
50%inclusion150 decks301 decks
44%synergy
Saw in Half
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43%synergy
Deadly Rollick
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14%synergy
Redirect Lightning
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20%synergy
Flare of Malice
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24%synergy
Deadly Dispute
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14%synergy
Untimely Malfunction
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16%synergy
Fell the Profane
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10%synergy
Withering Torment
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9%synergy
Bolt Bend
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10%synergy
Chaos Warp
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-15%synergy
Abrade
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3%synergy
Village Rites
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4%synergy
Malakir Rebirth
12%inclusion36 decks301 decks
4%synergy
Rakdos Charm
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-3%synergy
Corrupted Conviction
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7%synergy
Seething Song
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5%synergy
Desperate Ritual
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8%synergy
Tibalt's Trickery
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5%synergy
Not Dead After All
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7%synergy
The Last Agni Kai
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6%synergy
Imp's Mischief
6.6%inclusion20 decks301 decks
3%synergy
Terminate
6.6%inclusion20 decks301 decks
-12%synergy
Pyretic Ritual
6.3%inclusion19 decks301 decks
3%synergy
Lightning Bolt
6.0%inclusion18 decks301 decks
-5%synergy
Kazuul's Fury
5.3%inclusion16 decks301 decks
3%synergy
Bedevil
5.3%inclusion16 decks301 decks
-6%synergy
Sorceries
Reanimate
74%inclusion222 decks301 decks
55%synergy
Diabolic Intent
55%inclusion165 decks301 decks
47%synergy
Rite of Flame
50%inclusion152 decks301 decks
47%synergy
Victimize
35%inclusion105 decks301 decks
22%synergy
Gamble
33%inclusion100 decks301 decks
24%synergy
Buried Alive
26%inclusion78 decks301 decks
20%synergy
Unearth
25%inclusion74 decks301 decks
21%synergy
Jeska's Will
25%inclusion74 decks301 decks
9%synergy
Blasphemous Act
22%inclusion65 decks301 decks
-12%synergy
Cabal Therapy
21%inclusion64 decks301 decks
21%synergy
Desperate Plea
19%inclusion37 decks199 decks
18%synergy
Feed the Swarm
18%inclusion55 decks301 decks
2%synergy
Agadeem's Awakening
15%inclusion46 decks301 decks
12%synergy
Lively Dirge
13%inclusion40 decks301 decks
11%synergy
Molten Duplication
12%inclusion35 decks301 decks
10%synergy
Dread Return
11%inclusion33 decks301 decks
6%synergy
Toxic Deluge
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-8%synergy
Scheming Symmetry
7.6%inclusion23 decks301 decks
6%synergy
Faithless Looting
6.6%inclusion20 decks301 decks
-9%synergy
Mana Geyser
6.0%inclusion18 decks301 decks
-1%synergy
Vandalblast
6.0%inclusion18 decks301 decks
-9%synergy
Unmarked Grave
5.6%inclusion17 decks301 decks
4%synergy
Insatiable Avarice
5.6%inclusion17 decks301 decks
3%synergy
Twinflame
5.3%inclusion16 decks301 decks
3%synergy
Utility Artifacts
Phyrexian Altar
70%inclusion210 decks301 decks
66%synergy
Wishclaw Talisman
32%inclusion96 decks301 decks
27%synergy
Jet Medallion
32%inclusion95 decks301 decks
28%synergy
Altar of Dementia
19%inclusion58 decks301 decks
17%synergy
The One Ring
8.0%inclusion24 decks301 decks
0%synergy
Lightning Greaves
5.3%inclusion16 decks301 decks
-19%synergy
Enchantments
Goblin Bombardment
24%inclusion71 decks301 decks
18%synergy
Animate Dead
19%inclusion57 decks301 decks
10%synergy
Necropotence
17%inclusion51 decks301 decks
12%synergy
Into the Pit
15%inclusion44 decks301 decks
14%synergy
Carnival of Souls
14%inclusion43 decks301 decks
14%synergy
Utility Lands
Phyrexian Tower
64%inclusion194 decks301 decks
55%synergy
Crystal Vein
24%inclusion73 decks301 decks
23%synergy
City of Traitors
18%inclusion55 decks301 decks
17%synergy
Emergence Zone
17%inclusion51 decks301 decks
15%synergy
Bojuka Bog
17%inclusion50 decks301 decks
-13%synergy
High Market
15%inclusion46 decks301 decks
13%synergy
Urborg, Tomb of Yawgmoth
13%inclusion38 decks301 decks
4%synergy
Vault of Whispers
11%inclusion32 decks301 decks
6%synergy
Takenuma, Abandoned Mire
10%inclusion31 decks301 decks
2%synergy
Spymaster's Vault
9.0%inclusion27 decks301 decks
6%synergy
Urza's Saga
8.3%inclusion25 decks301 decks
1%synergy
Great Furnace
7.6%inclusion23 decks301 decks
2%synergy
Midgar, City of Mako
7.0%inclusion21 decks301 decks
3%synergy
Susur Secundi, Void Altar
6.3%inclusion19 decks301 decks
4%synergy
Mana Artifacts
Arcane Signet
98%inclusion296 decks301 decks
26%synergy
Sol Ring
96%inclusion290 decks301 decks
13%synergy
Talisman of Indulgence
84%inclusion254 decks301 decks
57%synergy
Lotus Petal
56%inclusion168 decks301 decks
49%synergy
Fellwar Stone
39%inclusion117 decks301 decks
19%synergy
Rakdos Signet
33%inclusion100 decks301 decks
9%synergy
Springleaf Drum
16%inclusion49 decks301 decks
14%synergy
Mox Opal
14%inclusion43 decks301 decks
10%synergy
Mox Diamond
12%inclusion35 decks301 decks
7%synergy
Mind Stone
11%inclusion33 decks301 decks
-3%synergy
Cursed Mirror
10%inclusion30 decks301 decks
4%synergy
Mox Amber
7.0%inclusion21 decks301 decks
2%synergy
Lands
Command Tower
97%inclusion293 decks301 decks
23%synergy
Sulfurous Springs
84%inclusion253 decks301 decks
60%synergy
Blood Crypt
73%inclusion220 decks301 decks
35%synergy
Bloodstained Mire
68%inclusion204 decks301 decks
57%synergy
Luxury Suite
59%inclusion178 decks301 decks
36%synergy
Blazemire Verge
54%inclusion164 decks301 decks
44%synergy
Mount Doom
50%inclusion150 decks301 decks
44%synergy
City of Brass
49%inclusion146 decks301 decks
41%synergy
Badlands
46%inclusion138 decks301 decks
33%synergy
Mana Confluence
46%inclusion137 decks301 decks
39%synergy
Marsh Flats
46%inclusion137 decks301 decks
35%synergy
Dragonskull Summit
45%inclusion135 decks301 decks
10%synergy
Polluted Delta
44%inclusion132 decks301 decks
32%synergy
Verdant Catacombs
39%inclusion116 decks301 decks
28%synergy
Exotic Orchard
38%inclusion113 decks301 decks
1%synergy
Smoldering Marsh
36%inclusion108 decks301 decks
2%synergy
Raucous Theater
34%inclusion103 decks301 decks
24%synergy
Arid Mesa
33%inclusion99 decks301 decks
23%synergy
Cavern of Souls
32%inclusion97 decks301 decks
25%synergy
Gemstone Caverns
32%inclusion96 decks301 decks
27%synergy
Graven Cairns
31%inclusion93 decks301 decks
21%synergy
Wooded Foothills
31%inclusion93 decks301 decks
20%synergy
Tainted Peak
30%inclusion91 decks301 decks
19%synergy
Scalding Tarn
27%inclusion81 decks301 decks
16%synergy
Foreboding Ruins
25%inclusion74 decks301 decks
10%synergy
Shadowblood Ridge
23%inclusion69 decks301 decks
10%synergy
Starting Town
21%inclusion63 decks301 decks
19%synergy
Haunted Ridge
20%inclusion61 decks301 decks
4%synergy
Blightstep Pathway
19%inclusion56 decks301 decks
11%synergy
Lazotep Quarry
17%inclusion52 decks301 decks
16%synergy
Blackcleave Cliffs
15%inclusion46 decks301 decks
9%synergy
Temple of Malice
11%inclusion33 decks301 decks
-2%synergy
Talon Gates of Madara
11%inclusion32 decks301 decks
8%synergy
Rakdos Carnarium
10%inclusion30 decks301 decks
-2%synergy
Canyon Slough
8.0%inclusion24 decks301 decks
0%synergy
Evolving Wilds
7.0%inclusion21 decks301 decks
-14%synergy
Fabled Passage
6.6%inclusion20 decks301 decks
-3%synergy
Myriad Landscape
5.3%inclusion16 decks301 decks
-10%synergy