Chainer, Dementia Master
K'rrik, Son of Yawgmoth
Gray Merchant of Asphodel
Umbral Collar Zealot

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Your life total is 10 or greater. You have at least two opponents, or your devotion to black is at least ten.

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Gray Merchant.
2
Activate Chainer by paying 9 life due to K'rrik, returning Gray Merchant from your graveyard to the battlefield as a Nightmare in addition to its other creature types.
3
When Gray Merchant enters, it triggers, causing each opponent to lose life equal to your devotion to black and causing you to gain that much life.
4
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite lifegain
Infinite lifegain triggers
Infinite lifeloss
Infinite sacrifice triggers
Infinite surveil
Return all creature cards from all graveyards to the battlefield under your control
Chainer, Dementia Master
7.5%inclusion140 decks1.88K decks
K'rrik, Son of Yawgmoth
0.7%inclusion135 decks19.5K decks
Gwenom, Remorseless
0.6%inclusion22 decks3.72K decks
Sephiroth, Fabled SOLDIER
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Ayara, First of Locthwain
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0.1%inclusion3 decks2.40K decks
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0.2%inclusion2 decks933 decks
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0.0%inclusion2 decks6.74K decks
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New Cards
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100%inclusion1 decks1 decks
Turbulent Fen
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Grave Researcher
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High Synergy Cards
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31%inclusion140 decks455 decks
Braids, Arisen Nightmare
29%inclusion133 decks455 decks
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28%inclusion129 decks455 decks
Kokusho, the Evening Star
28%inclusion128 decks455 decks
Noxious Gearhulk
28%inclusion128 decks455 decks
Yawgmoth, Thran Physician
28%inclusion126 decks455 decks
Asmodeus the Archfiend
27%inclusion123 decks455 decks
Dauthi Voidwalker
27%inclusion122 decks455 decks
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27%inclusion121 decks455 decks
Solemn Simulacrum
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22%inclusion102 decks455 decks
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22%inclusion99 decks455 decks
Blood Celebrant
22%inclusion99 decks455 decks
Boggart Trawler
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Archon of Cruelty
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Fleshbag Marauder
17%inclusion78 decks455 decks
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Ophiomancer
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Defile
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Fell the Profane
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Deadly Dispute
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Sacrifice
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Bitter Triumph
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Consuming Corruption
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Tragic Slip
16%inclusion71 decks455 decks
Songs of the Damned
14%inclusion63 decks455 decks
Dismember
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Flare of Malice
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Archenemy's Charm
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Undying Malice
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Corrupted Conviction
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Sheoldred's Edict
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Rain of Filth
8.1%inclusion37 decks455 decks
Fake Your Own Death
8.1%inclusion37 decks455 decks
Feign Death
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Force of Despair
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Cut Down
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Baleful Mastery
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Sudden Spoiling
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Darkness
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Hostile Negotiations
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Sorceries
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Beseech the Queen
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Unmarked Grave
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Persist
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Lively Dirge
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Dark Petition
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Torment of Hailfire
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Breach the Multiverse
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Tendrils of Agony
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Demonic Counsel
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Diresight
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Unearth
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Chain of Smog
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Exhume
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Yawgmoth's Will
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Mastermind's Acquisition
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Profane Tutor
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Syphon Mind
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Incarnation Technique
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Utility Artifacts
Phyrexian Altar
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Ashnod's Altar
31%inclusion139 decks455 decks
Altar of Dementia
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Swiftfoot Boots
23%inclusion104 decks455 decks
Expedition Map
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Aetherflux Reservoir
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Wishclaw Talisman
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The Darkness Crystal
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Skullclamp
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Wayfarer's Bauble
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The One Ring
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Whip of Erebos
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Demon's Horn
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Mesmeric Orb
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Staff of the Death Magus
5.7%inclusion26 decks455 decks
Enchantments
Phyrexian Arena
34%inclusion156 decks455 decks
Necromancy
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Ripples of Undeath
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Black Market Connections
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Heartless Summoning
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Dance of the Dead
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The Meathook Massacre
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Font of Agonies
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Grave Pact
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Kaya's Ghostform
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Sanguine Bond
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Bastion of Remembrance
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Exquisite Blood
10%inclusion46 decks455 decks
Phyrexian Reclamation
10%inclusion44 decks455 decks
Bitterblossom
9.5%inclusion43 decks455 decks
Black Market
8.8%inclusion40 decks455 decks
Greed
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Bloodchief Ascension
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Dreadhorde Invasion
5.9%inclusion27 decks455 decks
Oubliette
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Cemetery Tampering
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Case of the Stashed Skeleton
5.1%inclusion23 decks455 decks
Planeswalkers
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9.2%inclusion42 decks455 decks
Professor Onyx
9.0%inclusion41 decks455 decks
Liliana, Dreadhorde General
5.3%inclusion24 decks455 decks
Utility Lands
Urborg, Tomb of Yawgmoth
44%inclusion199 decks455 decks
Bojuka Bog
44%inclusion198 decks455 decks
Phyrexian Tower
41%inclusion186 decks455 decks
Nykthos, Shrine to Nyx
37%inclusion168 decks455 decks
Cabal Stronghold
29%inclusion132 decks455 decks
Takenuma, Abandoned Mire
25%inclusion113 decks455 decks
Crypt of Agadeem
22%inclusion98 decks455 decks
High Market
21%inclusion96 decks455 decks
Witch's Cottage
18%inclusion82 decks455 decks
Reliquary Tower
16%inclusion75 decks455 decks
War Room
15%inclusion68 decks455 decks
Spymaster's Vault
15%inclusion66 decks455 decks
Deserted Temple
14%inclusion63 decks455 decks
Rogue's Passage
13%inclusion60 decks455 decks
Susur Secundi, Void Altar
13%inclusion58 decks455 decks
Castle Locthwain
12%inclusion56 decks455 decks
Lake of the Dead
11%inclusion51 decks455 decks
Thespian's Stage
11%inclusion51 decks455 decks
Midgar, City of Mako
10%inclusion47 decks455 decks
Urza's Saga
9.0%inclusion41 decks455 decks
Geier Reach Sanitarium
8.6%inclusion39 decks455 decks
Crystal Vein
7.7%inclusion35 decks455 decks
Barren Moor
7.7%inclusion35 decks455 decks
Command Beacon
7.7%inclusion35 decks455 decks
Volrath's Stronghold
7.5%inclusion34 decks455 decks
Mortuary Mire
7.3%inclusion33 decks455 decks
Vesuva
6.4%inclusion29 decks455 decks
Emergence Zone
6.2%inclusion28 decks455 decks
Shizo, Death's Storehouse
6.2%inclusion28 decks455 decks
Temple of the False God
5.5%inclusion25 decks455 decks
Mana Artifacts
Sol Ring
91%inclusion412 decks455 decks
Arcane Signet
73%inclusion330 decks455 decks
Talisman of Hierarchy
50%inclusion4 decks8 decks
Mind Stone
31%inclusion140 decks455 decks
Fellwar Stone
26%inclusion117 decks455 decks
Charcoal Diamond
20%inclusion89 decks455 decks
Thought Vessel
19%inclusion88 decks455 decks
The Soul Stone
19%inclusion85 decks451 decks
Lotus Petal
14%inclusion63 decks455 decks
Mox Amber
7.9%inclusion36 decks455 decks
Extraplanar Lens
7.5%inclusion34 decks455 decks
Mox Diamond
7.0%inclusion32 decks455 decks
Nyx Lotus
6.6%inclusion30 decks455 decks
Everflowing Chalice
6.6%inclusion30 decks455 decks
Mox Opal
5.9%inclusion27 decks455 decks
Commander's Sphere
5.9%inclusion27 decks455 decks
Thran Dynamo
5.3%inclusion24 decks455 decks
Grim Monolith
5.1%inclusion23 decks455 decks
Worn Powerstone
5.1%inclusion23 decks455 decks
Lands
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63%inclusion5 decks8 decks
Godless Shrine
63%inclusion5 decks8 decks
Shadowy Backstreet
50%inclusion4 decks8 decks
Vault of Champions
50%inclusion4 decks8 decks
Caves of Koilos
50%inclusion4 decks8 decks
Scrubland
38%inclusion3 decks8 decks
Fetid Heath
38%inclusion3 decks8 decks
Myriad Landscape
20%inclusion90 decks455 decks
Urza's Cave
14%inclusion63 decks455 decks
Gemstone Caverns
8.6%inclusion39 decks455 decks
Bloodstained Mire
6.4%inclusion29 decks455 decks
Polluted Delta
6.4%inclusion29 decks455 decks
Cavern of Souls
5.9%inclusion27 decks455 decks
Marsh Flats
5.9%inclusion27 decks455 decks
Command Tower
5.7%inclusion26 decks455 decks
Verdant Catacombs
5.5%inclusion25 decks455 decks
Demolition Field
5.1%inclusion23 decks455 decks