Mortuary
Gray Merchant of Asphodel
Bolas's Citadel
Yahenni, Undying Partisan

   Prerequisites

What do I need to start this combo?
Gray Merchant of Asphodel in hand or in your library (Gray Merchant of Asphodel on top of your library in your library).
All other permanents on the battlefield.
Your life total is at least 6 if Gray Merchant is on the top of your library, or you have 3 available otherwise.

   Steps

How does this combo work?
1
Cast Gray Merchant either from your hand by paying 3 or from the top of your library by paying 5 life.
2
When Gray Merchant enters, it triggers, 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.
3
Activate Yahenni by sacrificing Gray Merchant.
4
When Gray Merchant dies, Mortuary triggers, putting Gray Merchant from your graveyard onto the top of your library.
5
Resolve the Yahenni ability.
6
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite lifegain triggers
Infinite lifegain
Infinite lifeloss
Sephiroth, Fabled SOLDIER
0.0%inclusion6 decks18.1K decks
Yawgmoth, Thran Physician
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K'rrik, Son of Yawgmoth
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Kokusho, the Evening Star
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Braids, Arisen Nightmare
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Sengir, the Dark Baron // Tevesh Szat, Doom of Fools
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Spider-Man Noir
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Thrasios, Triton Hero // Tymna the Weaver
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Korvold, Fae-Cursed King
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Gwenom, Remorseless
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Gonti, Lord of Luxury
0.1%inclusion1 decks1.38K decks
New Cards
Bitterbloom Bearer
7.7%inclusion1 decks13 decks
7%synergy
High Synergy Cards
Ashnod's Altar
76%inclusion16 decks21 decks
70%synergy
Viscera Seer
67%inclusion14 decks21 decks
58%synergy
Pitiless Plunderer
67%inclusion14 decks21 decks
58%synergy
Blood Artist
67%inclusion14 decks21 decks
55%synergy
Jet Medallion
57%inclusion12 decks21 decks
54%synergy
Carrion Feeder
57%inclusion12 decks21 decks
53%synergy
Ayara, First of Locthwain
52%inclusion11 decks21 decks
49%synergy
Crypt Ghast
52%inclusion11 decks21 decks
47%synergy
Warren Soultrader
50%inclusion10 decks20 decks
44%synergy
Reassembling Skeleton
48%inclusion10 decks21 decks
44%synergy
Top Cards
Dark Ritual
62%inclusion13 decks21 decks
38%synergy
Feed the Swarm
57%inclusion12 decks21 decks
41%synergy
Zulaport Cutthroat
52%inclusion11 decks21 decks
44%synergy
Umbral Collar Zealot
44%inclusion8 decks18 decks
41%synergy
Diabolic Intent
43%inclusion9 decks21 decks
35%synergy
Skullclamp
43%inclusion9 decks21 decks
32%synergy
Victimize
43%inclusion9 decks21 decks
31%synergy
Bontu's Monument
38%inclusion8 decks21 decks
36%synergy
K'rrik, Son of Yawgmoth
38%inclusion8 decks21 decks
36%synergy
Ophiomancer
38%inclusion8 decks21 decks
35%synergy
Game Changers
Demonic Tutor
29%inclusion6 decks21 decks
9%synergy
Necropotence
24%inclusion5 decks21 decks
19%synergy
Orcish Bowmasters
24%inclusion5 decks21 decks
15%synergy
Vampiric Tutor
24%inclusion5 decks21 decks
8%synergy
The One Ring
19%inclusion4 decks21 decks
10%synergy
Creatures
Blood Pet
33%inclusion7 decks21 decks
32%synergy
Pawn of Ulamog
33%inclusion7 decks21 decks
31%synergy
Gravecrawler
33%inclusion7 decks21 decks
30%synergy
Syr Konrad, the Grim
33%inclusion7 decks21 decks
25%synergy
Accursed Marauder
30%inclusion6 decks20 decks
25%synergy
Woe Strider
29%inclusion6 decks21 decks
27%synergy
Yawgmoth, Thran Physician
29%inclusion6 decks21 decks
25%synergy
Fleshbag Marauder
29%inclusion6 decks21 decks
25%synergy
Plaguecrafter
29%inclusion6 decks21 decks
24%synergy
Nine-Lives Familiar
25%inclusion5 decks20 decks
24%synergy
Vengeful Bloodwitch
25%inclusion5 decks20 decks
23%synergy
Chainer, Dementia Master
24%inclusion5 decks21 decks
23%synergy
Sifter of Skulls
24%inclusion5 decks21 decks
23%synergy
Lord Skitter, Sewer King
24%inclusion5 decks21 decks
22%synergy
Grim Haruspex
24%inclusion5 decks21 decks
21%synergy
Braids, Arisen Nightmare
24%inclusion5 decks21 decks
17%synergy
Morbid Opportunist
24%inclusion5 decks21 decks
16%synergy
Solemn Simulacrum
24%inclusion5 decks21 decks
11%synergy
Timeline Culler
22%inclusion4 decks18 decks
21%synergy
Marionette Apprentice
20%inclusion4 decks20 decks
15%synergy
Dimir House Guard
19%inclusion4 decks21 decks
18%synergy
Nether Traitor
19%inclusion4 decks21 decks
18%synergy
Forsaken Miner
19%inclusion4 decks21 decks
18%synergy
Merciless Executioner
19%inclusion4 decks21 decks
18%synergy
Priest of Forgotten Gods
19%inclusion4 decks21 decks
17%synergy
Disciple of Bolas
19%inclusion4 decks21 decks
17%synergy
Mikaeus, the Unhallowed
19%inclusion4 decks21 decks
17%synergy
Butcher of Malakir
19%inclusion4 decks21 decks
16%synergy
Midnight Reaper
19%inclusion4 decks21 decks
16%synergy
Dauthi Voidwalker
19%inclusion4 decks21 decks
12%synergy
Xu-Ifit, Osteoharmonist
17%inclusion3 decks18 decks
16%synergy
Butcher Ghoul
14%inclusion3 decks21 decks
14%synergy
Thrull Parasite
14%inclusion3 decks21 decks
14%synergy
Magus of the Coffers
14%inclusion3 decks21 decks
14%synergy
Pontiff of Blight
14%inclusion3 decks21 decks
14%synergy
Bloodsoaked Champion
14%inclusion3 decks21 decks
13%synergy
Endrek Sahr, Master Breeder
14%inclusion3 decks21 decks
13%synergy
Nirkana Revenant
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13%synergy
Drivnod, Carnage Dominus
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12%synergy
Bloodghast
14%inclusion3 decks21 decks
12%synergy
Vilis, Broker of Blood
14%inclusion3 decks21 decks
11%synergy
Instants
Culling the Weak
38%inclusion8 decks21 decks
34%synergy
Infernal Grasp
33%inclusion7 decks21 decks
26%synergy
Malakir Rebirth
33%inclusion7 decks21 decks
25%synergy
Withering Torment
30%inclusion6 decks20 decks
22%synergy
Undying Malice
29%inclusion6 decks21 decks
26%synergy
Flare of Malice
25%inclusion5 decks20 decks
23%synergy
Fell the Profane
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16%synergy
Village Rites
24%inclusion5 decks21 decks
14%synergy
Deadly Dispute
24%inclusion5 decks21 decks
12%synergy
Supernatural Stamina
19%inclusion4 decks21 decks
17%synergy
Sheoldred's Edict
19%inclusion4 decks21 decks
16%synergy
Soul Shatter
19%inclusion4 decks21 decks
16%synergy
Murder
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15%synergy
Imp's Mischief
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15%synergy
Cabal Ritual
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14%synergy
Darkness
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13%synergy
Sudden Spoiling
14%inclusion3 decks21 decks
13%synergy
Hero's Downfall
14%inclusion3 decks21 decks
13%synergy
Fake Your Own Death
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12%synergy
Not Dead After All
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11%synergy
Snuff Out
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11%synergy
Tragic Slip
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11%synergy
Deadly Rollick
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1%synergy
Sorceries
Exsanguinate
38%inclusion8 decks21 decks
31%synergy
Sign in Blood
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29%synergy
Reanimate
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19%synergy
Toxic Deluge
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15%synergy
Diabolic Tutor
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23%synergy
Night's Whisper
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19%synergy
Read the Bones
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18%synergy
Doomsday
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18%synergy
Repay in Kind
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14%synergy
Bubbling Muck
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13%synergy
Lively Dirge
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12%synergy
Syphon Mind
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11%synergy
Torment of Hailfire
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10%synergy
Dread Return
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9%synergy
Living Death
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9%synergy
Damnation
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8%synergy
Utility Artifacts
Lightning Greaves
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13%synergy
Phyrexian Altar
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30%synergy
Swiftfoot Boots
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-3%synergy
The Darkness Crystal
22%inclusion4 decks18 decks
19%synergy
Altar of Dementia
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17%synergy
Aetherflux Reservoir
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16%synergy
Sensei's Divining Top
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14%synergy
Prism Ring
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14%synergy
Demon's Horn
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14%synergy
Enchantments
Bastion of Remembrance
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32%synergy
Phyrexian Arena
38%inclusion8 decks21 decks
22%synergy
Black Market Connections
33%inclusion7 decks21 decks
21%synergy
The Meathook Massacre
29%inclusion6 decks21 decks
23%synergy
Font of Agonies
24%inclusion5 decks21 decks
23%synergy
Black Market
24%inclusion5 decks21 decks
20%synergy
Grave Pact
24%inclusion5 decks21 decks
19%synergy
Greed
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17%synergy
Exquisite Blood
19%inclusion4 decks21 decks
14%synergy
Chthonian Nightmare
15%inclusion3 decks20 decks
13%synergy
Nest of Scarabs
14%inclusion3 decks21 decks
14%synergy
Oversold Cemetery
14%inclusion3 decks21 decks
12%synergy
Bitterblossom
14%inclusion3 decks21 decks
10%synergy
Sanguine Bond
14%inclusion3 decks21 decks
9%synergy
Planeswalkers
Liliana, Dreadhorde General
24%inclusion5 decks21 decks
20%synergy
Utility Lands
Bojuka Bog
62%inclusion13 decks21 decks
32%synergy
Urborg, Tomb of Yawgmoth
48%inclusion10 decks21 decks
39%synergy
Cabal Coffers
48%inclusion10 decks21 decks
38%synergy
Phyrexian Tower
43%inclusion9 decks21 decks
34%synergy
Reliquary Tower
33%inclusion7 decks21 decks
3%synergy
High Market
24%inclusion5 decks21 decks
21%synergy
Barren Moor
24%inclusion5 decks21 decks
21%synergy
Susur Secundi, Void Altar
22%inclusion4 decks18 decks
20%synergy
Lake of the Dead
19%inclusion4 decks21 decks
18%synergy
Crypt of Agadeem
19%inclusion4 decks21 decks
17%synergy
Cabal Stronghold
19%inclusion4 decks21 decks
16%synergy
Castle Locthwain
19%inclusion4 decks21 decks
15%synergy
Mortuary Mire
19%inclusion4 decks21 decks
15%synergy
Karn's Bastion
19%inclusion4 decks21 decks
14%synergy
Nykthos, Shrine to Nyx
19%inclusion4 decks21 decks
14%synergy
Midgar, City of Mako
17%inclusion3 decks18 decks
13%synergy
Spymaster's Vault
15%inclusion3 decks20 decks
12%synergy
Radiant Fountain
14%inclusion3 decks21 decks
13%synergy
Memorial to Folly
14%inclusion3 decks21 decks
13%synergy
Barad-dûr
14%inclusion3 decks21 decks
12%synergy
Shizo, Death's Storehouse
14%inclusion3 decks21 decks
10%synergy
Command Beacon
14%inclusion3 decks21 decks
9%synergy
War Room
14%inclusion3 decks21 decks
8%synergy
Takenuma, Abandoned Mire
14%inclusion3 decks21 decks
5%synergy
Mana Artifacts
Sol Ring
81%inclusion17 decks21 decks
-3%synergy
Arcane Signet
52%inclusion11 decks21 decks
-20%synergy
Charcoal Diamond
33%inclusion7 decks21 decks
29%synergy
The Soul Stone
31%inclusion5 decks16 decks
27%synergy
Mind Stone
29%inclusion6 decks21 decks
14%synergy
Commander's Sphere
14%inclusion3 decks21 decks
2%synergy
Thought Vessel
14%inclusion3 decks21 decks
-3%synergy
Lands
Myriad Landscape
29%inclusion6 decks21 decks
12%synergy
Command Tower
14%inclusion3 decks21 decks
-60%synergy