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%inclusion8 decks22.4K decks
Yawgmoth, Thran Physician
0.1%inclusion5 decks6.54K decks
Braids, Arisen Nightmare
0.0%inclusion3 decks8.03K decks
Gwenom, Remorseless
0.1%inclusion3 decks3.36K decks
K'rrik, Son of Yawgmoth
0.0%inclusion3 decks19K decks
Kokusho, the Evening Star
0.2%inclusion2 decks1.32K decks
Sengir, the Dark Baron // Tevesh Szat, Doom of Fools
0.3%inclusion1 decks307 decks
Spider-Man Noir
0.4%inclusion1 decks284 decks
Thrasios, Triton Hero // Tymna the Weaver
0.0%inclusion1 decks10.2K decks
The Ghoul, Gunslinger
0.1%inclusion1 decks1.38K decks
Endrek Sahr, Master Breeder
0.1%inclusion1 decks1.96K decks
Korvold, Fae-Cursed King
0.0%inclusion1 decks19K decks
Gonti, Lord of Luxury
0.1%inclusion1 decks1.31K decks
New Cards
Super Shredder
10%inclusion2 decks21 decks
9%synergy
Skateboard
9.1%inclusion1 decks11 decks
9%synergy
Splinter's Technique
6.7%inclusion1 decks15 decks
6%synergy
Rat King, Verminister
6.7%inclusion1 decks15 decks
6%synergy
High Synergy Cards
Blood Artist
74%inclusion23 decks31 decks
63%synergy
Ashnod's Altar
68%inclusion21 decks31 decks
61%synergy
Carrion Feeder
65%inclusion20 decks31 decks
60%synergy
Viscera Seer
65%inclusion20 decks31 decks
57%synergy
Jet Medallion
58%inclusion18 decks31 decks
54%synergy
Ayara, First of Locthwain
55%inclusion17 decks31 decks
52%synergy
Crypt Ghast
55%inclusion17 decks31 decks
50%synergy
Zulaport Cutthroat
58%inclusion18 decks31 decks
50%synergy
Pitiless Plunderer
58%inclusion18 decks31 decks
50%synergy
Cabal Coffers
58%inclusion18 decks31 decks
49%synergy
Top Cards
Dark Ritual
68%inclusion21 decks31 decks
43%synergy
Feed the Swarm
58%inclusion18 decks31 decks
42%synergy
Warren Soultrader
53%inclusion16 decks30 decks
48%synergy
Reanimate
48%inclusion15 decks31 decks
29%synergy
Phyrexian Altar
45%inclusion14 decks31 decks
42%synergy
Reassembling Skeleton
45%inclusion14 decks31 decks
42%synergy
Skullclamp
45%inclusion14 decks31 decks
34%synergy
Bontu's Monument
42%inclusion13 decks31 decks
40%synergy
Gravecrawler
42%inclusion13 decks31 decks
38%synergy
Diabolic Intent
42%inclusion13 decks31 decks
34%synergy
Game Changers
Demonic Tutor
35%inclusion11 decks31 decks
16%synergy
Necropotence
29%inclusion9 decks31 decks
24%synergy
Vampiric Tutor
29%inclusion9 decks31 decks
14%synergy
Orcish Bowmasters
19%inclusion6 decks31 decks
11%synergy
The One Ring
16%inclusion5 decks31 decks
8%synergy
Mana Vault
10%inclusion3 decks31 decks
4%synergy
Creatures
Umbral Collar Zealot
39%inclusion11 decks28 decks
36%synergy
K'rrik, Son of Yawgmoth
39%inclusion12 decks31 decks
36%synergy
Blood Pet
35%inclusion11 decks31 decks
34%synergy
Ophiomancer
35%inclusion11 decks31 decks
32%synergy
Syr Konrad, the Grim
35%inclusion11 decks31 decks
27%synergy
Accursed Marauder
33%inclusion10 decks30 decks
28%synergy
Mikaeus, the Unhallowed
32%inclusion10 decks31 decks
30%synergy
Yawgmoth, Thran Physician
32%inclusion10 decks31 decks
29%synergy
Gwenom, Remorseless
31%inclusion8 decks26 decks
29%synergy
Woe Strider
29%inclusion9 decks31 decks
27%synergy
Pawn of Ulamog
29%inclusion9 decks31 decks
27%synergy
Vengeful Bloodwitch
27%inclusion8 decks30 decks
25%synergy
Forsaken Miner
26%inclusion8 decks31 decks
25%synergy
Fleshbag Marauder
26%inclusion8 decks31 decks
22%synergy
Braids, Arisen Nightmare
26%inclusion8 decks31 decks
19%synergy
Timeline Culler
25%inclusion7 decks28 decks
24%synergy
Nine-Lives Familiar
23%inclusion7 decks30 decks
22%synergy
Marionette Apprentice
23%inclusion7 decks30 decks
19%synergy
Dauthi Voidwalker
23%inclusion7 decks31 decks
16%synergy
Solemn Simulacrum
23%inclusion7 decks31 decks
10%synergy
Bitterbloom Bearer
22%inclusion5 decks23 decks
20%synergy
Butcher Ghoul
19%inclusion6 decks31 decks
19%synergy
Chainer, Dementia Master
19%inclusion6 decks31 decks
19%synergy
Merciless Executioner
19%inclusion6 decks31 decks
18%synergy
Lord Skitter, Sewer King
19%inclusion6 decks31 decks
18%synergy
Drivnod, Carnage Dominus
19%inclusion6 decks31 decks
17%synergy
Grim Haruspex
19%inclusion6 decks31 decks
17%synergy
Plaguecrafter
19%inclusion6 decks31 decks
15%synergy
Morbid Opportunist
19%inclusion6 decks31 decks
12%synergy
Maha, Its Feathers Night
17%inclusion5 decks30 decks
15%synergy
Sifter of Skulls
16%inclusion5 decks31 decks
15%synergy
Priest of Forgotten Gods
16%inclusion5 decks31 decks
14%synergy
Butcher of Malakir
16%inclusion5 decks31 decks
14%synergy
Zodiark, Umbral God
14%inclusion4 decks28 decks
13%synergy
Vincent Valentine
14%inclusion4 decks28 decks
13%synergy
Fumulus, the Infestation
14%inclusion4 decks29 decks
13%synergy
Death Cultist
13%inclusion4 decks31 decks
13%synergy
Haunt of the Dead Marshes
13%inclusion4 decks31 decks
13%synergy
Soldevi Adnate
13%inclusion4 decks31 decks
12%synergy
Dimir House Guard
13%inclusion4 decks31 decks
12%synergy
Bloodsoaked Champion
13%inclusion4 decks31 decks
12%synergy
Endrek Sahr, Master Breeder
13%inclusion4 decks31 decks
12%synergy
Greedy Freebooter
13%inclusion4 decks31 decks
12%synergy
Jadar, Ghoulcaller of Nephalia
13%inclusion4 decks31 decks
11%synergy
Disciple of Bolas
13%inclusion4 decks31 decks
11%synergy
Dark Confidant
13%inclusion4 decks31 decks
11%synergy
Bloodghast
13%inclusion4 decks31 decks
10%synergy
Vilis, Broker of Blood
13%inclusion4 decks31 decks
10%synergy
Midnight Reaper
13%inclusion4 decks31 decks
10%synergy
Sheoldred, the Apocalypse
13%inclusion4 decks31 decks
8%synergy
Instants
Malakir Rebirth
48%inclusion15 decks31 decks
40%synergy
Culling the Weak
39%inclusion12 decks31 decks
34%synergy
Withering Torment
33%inclusion10 decks30 decks
26%synergy
Fell the Profane
33%inclusion10 decks30 decks
24%synergy
Flare of Malice
30%inclusion9 decks30 decks
28%synergy
Infernal Grasp
29%inclusion9 decks31 decks
21%synergy
Deadly Dispute
26%inclusion8 decks31 decks
13%synergy
Deadly Rollick
26%inclusion8 decks31 decks
12%synergy
Undying Malice
23%inclusion7 decks31 decks
20%synergy
Imp's Mischief
23%inclusion7 decks31 decks
19%synergy
Not Dead After All
19%inclusion6 decks31 decks
17%synergy
Cabal Ritual
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14%synergy
Village Rites
19%inclusion6 decks31 decks
10%synergy
Darkness
16%inclusion5 decks31 decks
15%synergy
Supernatural Stamina
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14%synergy
Fake Your Own Death
16%inclusion5 decks31 decks
14%synergy
Sheoldred's Edict
16%inclusion5 decks31 decks
14%synergy
Soul Shatter
16%inclusion5 decks31 decks
13%synergy
Snuff Out
16%inclusion5 decks31 decks
13%synergy
Entomb
16%inclusion5 decks31 decks
9%synergy
Defile
13%inclusion4 decks31 decks
10%synergy
Tragic Slip
13%inclusion4 decks31 decks
9%synergy
Murder
13%inclusion4 decks31 decks
9%synergy
Shallow Grave
10%inclusion3 decks31 decks
9%synergy
Return to Action
10%inclusion3 decks31 decks
9%synergy
Undying Evil
10%inclusion3 decks31 decks
9%synergy
Black Sun's Twilight
10%inclusion3 decks31 decks
9%synergy
Sudden Spoiling
10%inclusion3 decks31 decks
8%synergy
Hero's Downfall
10%inclusion3 decks31 decks
8%synergy
Nasty End
10%inclusion3 decks31 decks
8%synergy
Feign Death
10%inclusion3 decks31 decks
8%synergy
Saw in Half
10%inclusion3 decks31 decks
5%synergy
Go for the Throat
10%inclusion3 decks31 decks
3%synergy
Sorceries
Toxic Deluge
42%inclusion13 decks31 decks
24%synergy
Exsanguinate
35%inclusion11 decks31 decks
29%synergy
Sign in Blood
35%inclusion11 decks31 decks
27%synergy
Victimize
35%inclusion11 decks31 decks
23%synergy
Night's Whisper
26%inclusion8 decks31 decks
17%synergy
Diabolic Tutor
23%inclusion7 decks31 decks
17%synergy
Agadeem's Awakening
19%inclusion6 decks31 decks
16%synergy
Read the Bones
19%inclusion6 decks31 decks
14%synergy
Damnation
19%inclusion6 decks31 decks
13%synergy
Yawgmoth's Will
16%inclusion5 decks31 decks
15%synergy
Temporal Extortion
13%inclusion4 decks31 decks
13%synergy
Doomsday
13%inclusion4 decks31 decks
12%synergy
Tendrils of Agony
13%inclusion4 decks31 decks
12%synergy
Bubbling Muck
13%inclusion4 decks31 decks
12%synergy
Torment of Hailfire
13%inclusion4 decks31 decks
9%synergy
Living Death
13%inclusion4 decks31 decks
8%synergy
Final Act
10%inclusion3 decks30 decks
9%synergy
Repay in Kind
10%inclusion3 decks31 decks
9%synergy
Lively Dirge
10%inclusion3 decks31 decks
8%synergy
Syphon Mind
10%inclusion3 decks31 decks
7%synergy
Unearth
10%inclusion3 decks31 decks
7%synergy
Grim Tutor
10%inclusion3 decks31 decks
6%synergy
Dread Return
10%inclusion3 decks31 decks
5%synergy
Utility Artifacts
Lightning Greaves
35%inclusion11 decks31 decks
11%synergy
Sensei's Divining Top
32%inclusion10 decks31 decks
28%synergy
Aetherflux Reservoir
23%inclusion7 decks31 decks
19%synergy
Altar of Dementia
19%inclusion6 decks31 decks
17%synergy
Swiftfoot Boots
16%inclusion5 decks31 decks
-11%synergy
The Darkness Crystal
14%inclusion4 decks28 decks
11%synergy
Demon's Horn
13%inclusion4 decks31 decks
13%synergy
Prism Ring
10%inclusion3 decks31 decks
10%synergy
Expedition Map
10%inclusion3 decks31 decks
7%synergy
Enchantments
Black Market Connections
42%inclusion13 decks31 decks
30%synergy
The Meathook Massacre
32%inclusion10 decks31 decks
27%synergy
Bastion of Remembrance
32%inclusion10 decks31 decks
26%synergy
Phyrexian Arena
32%inclusion10 decks31 decks
17%synergy
Black Market
29%inclusion9 decks31 decks
25%synergy
Grave Pact
29%inclusion9 decks31 decks
24%synergy
Bitterblossom
19%inclusion6 decks31 decks
15%synergy
Animate Dead
19%inclusion6 decks31 decks
11%synergy
Font of Agonies
16%inclusion5 decks31 decks
16%synergy
Nest of Scarabs
16%inclusion5 decks31 decks
15%synergy
Dictate of Erebos
16%inclusion5 decks31 decks
13%synergy
Kaya's Ghostform
16%inclusion5 decks31 decks
13%synergy
Exquisite Blood
16%inclusion5 decks31 decks
11%synergy
Chthonian Nightmare
13%inclusion4 decks30 decks
12%synergy
Greed
13%inclusion4 decks31 decks
11%synergy
Oversold Cemetery
13%inclusion4 decks31 decks
11%synergy
Funeral Room // Awakening Hall
10%inclusion3 decks30 decks
8%synergy
Case of the Stashed Skeleton
10%inclusion3 decks31 decks
9%synergy
Thran Vigil
10%inclusion3 decks31 decks
9%synergy
Attrition
10%inclusion3 decks31 decks
9%synergy
Biotransference
10%inclusion3 decks31 decks
9%synergy
Open the Graves
10%inclusion3 decks31 decks
9%synergy
Bloodchief Ascension
10%inclusion3 decks31 decks
6%synergy
Sanguine Bond
10%inclusion3 decks31 decks
4%synergy
Planeswalkers
Liliana, Dreadhorde General
13%inclusion4 decks31 decks
9%synergy
Tevesh Szat, Doom of Fools
10%inclusion3 decks31 decks
9%synergy
Utility Lands
Bojuka Bog
48%inclusion15 decks31 decks
19%synergy
Urborg, Tomb of Yawgmoth
45%inclusion14 decks31 decks
36%synergy
Phyrexian Tower
45%inclusion14 decks31 decks
36%synergy
Nykthos, Shrine to Nyx
29%inclusion9 decks31 decks
24%synergy
High Market
26%inclusion8 decks31 decks
23%synergy
Reliquary Tower
26%inclusion8 decks31 decks
-4%synergy
Lake of the Dead
23%inclusion7 decks31 decks
22%synergy
Shizo, Death's Storehouse
23%inclusion7 decks31 decks
18%synergy
Spymaster's Vault
20%inclusion6 decks30 decks
17%synergy
Cabal Stronghold
19%inclusion6 decks31 decks
16%synergy
Barren Moor
19%inclusion6 decks31 decks
16%synergy
War Room
19%inclusion6 decks31 decks
14%synergy
Volrath's Stronghold
16%inclusion5 decks31 decks
15%synergy
Castle Locthwain
16%inclusion5 decks31 decks
12%synergy
Karn's Bastion
16%inclusion5 decks31 decks
11%synergy
Takenuma, Abandoned Mire
16%inclusion5 decks31 decks
8%synergy
Deserted Temple
13%inclusion4 decks31 decks
12%synergy
Command Beacon
13%inclusion4 decks31 decks
8%synergy
Urza's Saga
13%inclusion4 decks31 decks
6%synergy
Susur Secundi, Void Altar
11%inclusion3 decks28 decks
8%synergy
Midgar, City of Mako
11%inclusion3 decks28 decks
7%synergy
Radiant Fountain
10%inclusion3 decks31 decks
9%synergy
Memorial to Folly
10%inclusion3 decks31 decks
9%synergy
Crypt of Agadeem
10%inclusion3 decks31 decks
8%synergy
Mortuary Mire
10%inclusion3 decks31 decks
6%synergy
Rogue's Passage
10%inclusion3 decks31 decks
-11%synergy
Mana Artifacts
Sol Ring
84%inclusion26 decks31 decks
0%synergy
Arcane Signet
42%inclusion13 decks31 decks
-30%synergy
The Soul Stone
31%inclusion8 decks26 decks
27%synergy
Charcoal Diamond
26%inclusion8 decks31 decks
22%synergy
Thought Vessel
23%inclusion7 decks31 decks
5%synergy
Mind Stone
19%inclusion6 decks31 decks
5%synergy
Mox Amber
10%inclusion3 decks31 decks
5%synergy
Commander's Sphere
10%inclusion3 decks31 decks
-2%synergy
Lands
Myriad Landscape
26%inclusion8 decks31 decks
10%synergy
Urza's Cave
20%inclusion6 decks30 decks
17%synergy
Demolition Field
13%inclusion4 decks31 decks
10%synergy
Marsh Flats
13%inclusion4 decks31 decks
2%synergy
Bloodstained Mire
13%inclusion4 decks31 decks
2%synergy
Polluted Delta
13%inclusion4 decks31 decks
1%synergy
Gemstone Caverns
10%inclusion3 decks31 decks
5%synergy
Verdant Catacombs
10%inclusion3 decks31 decks
-1%synergy
Command Tower
10%inclusion3 decks31 decks
-65%synergy