Mortuary
Gray Merchant of Asphodel
Yahenni, Undying Partisan
Gwenom, Remorseless

   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.
Gwenom has attacked this turn.

   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
Gwenom, Remorseless
0.2%inclusion4 decks2.25K decks
Sephiroth, Fabled SOLDIER
0.0%inclusion3 decks16.5K decks
Massacre Girl, Known Killer
0.0%inclusion1 decks7.03K decks
High Synergy Cards
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75%inclusion6 decks8 decks
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63%inclusion5 decks8 decks
54%synergy
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75%inclusion6 decks8 decks
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Top Cards
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63%inclusion5 decks8 decks
41%synergy
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22%synergy
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8%synergy
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15%synergy
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6%synergy
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-1%synergy
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Creatures
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29%synergy
Death Cultist
38%inclusion3 decks8 decks
37%synergy
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35%synergy
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31%synergy
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31%synergy
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28%synergy
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27%synergy
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22%synergy
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38%inclusion3 decks8 decks
14%synergy
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-11%synergy
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23%synergy
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22%synergy
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22%synergy
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21%synergy
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21%synergy
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20%synergy
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17%synergy
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16%synergy
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15%synergy
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14%synergy
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Instants
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26%synergy
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23%synergy
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17%synergy
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10%synergy
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Circle of Power
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Zombify
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Final Act
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7%synergy
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6%synergy
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1%synergy
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Read the Bones
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-7%synergy
Damnation
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Night's Whisper
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-12%synergy
Exsanguinate
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-12%synergy
Utility Artifacts
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18%synergy
Lightning Greaves
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16%synergy
Jet Medallion
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The Endstone
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36%synergy
Aetherflux Reservoir
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27%synergy
The Darkness Crystal
38%inclusion3 decks8 decks
18%synergy
Skullclamp
38%inclusion3 decks8 decks
16%synergy
Bontu's Monument
38%inclusion3 decks8 decks
10%synergy
Lavaspur Boots
25%inclusion2 decks8 decks
23%synergy
Basilisk Collar
25%inclusion2 decks8 decks
22%synergy
Wishclaw Talisman
25%inclusion2 decks8 decks
18%synergy
Phyrexian Altar
25%inclusion2 decks8 decks
12%synergy
Ashnod's Altar
25%inclusion2 decks8 decks
6%synergy
Pyxis of Pandemonium
13%inclusion1 decks8 decks
12%synergy
The Dominion Bracelet
13%inclusion1 decks8 decks
12%synergy
Drossclaw
13%inclusion1 decks8 decks
12%synergy
Lunatic Pandora
13%inclusion1 decks8 decks
12%synergy
Stone of Erech
13%inclusion1 decks8 decks
12%synergy
Smoke Bomb
13%inclusion1 decks8 decks
12%synergy
Lembas
13%inclusion1 decks8 decks
12%synergy
Extinguisher Battleship
13%inclusion1 decks8 decks
12%synergy
Scroll Rack
13%inclusion1 decks8 decks
12%synergy
Black Mage's Rod
13%inclusion1 decks8 decks
12%synergy
Ghost Vacuum
13%inclusion1 decks8 decks
12%synergy
Vexing Bauble
13%inclusion1 decks8 decks
12%synergy
Mirage Mirror
13%inclusion1 decks8 decks
12%synergy
Dowsing Dagger
13%inclusion1 decks8 decks
11%synergy
Sword of Hearth and Home
13%inclusion1 decks8 decks
11%synergy
Winter Moon
13%inclusion1 decks8 decks
11%synergy
Conjurer's Closet
13%inclusion1 decks8 decks
11%synergy
Defense Grid
13%inclusion1 decks8 decks
10%synergy
Genesis Chamber
13%inclusion1 decks8 decks
10%synergy
Mystic Forge
13%inclusion1 decks8 decks
9%synergy
Staff of the Death Magus
13%inclusion1 decks8 decks
9%synergy
Vorpal Sword
13%inclusion1 decks8 decks
9%synergy
Mithril Coat
13%inclusion1 decks8 decks
7%synergy
The Masamune
13%inclusion1 decks8 decks
3%synergy
Expedition Map
13%inclusion1 decks8 decks
0%synergy
Wayfarer's Bauble
13%inclusion1 decks8 decks
-4%synergy
Enchantments
Bastion of Remembrance
38%inclusion3 decks8 decks
21%synergy
Black Market Connections
38%inclusion3 decks8 decks
14%synergy
Phyrexian Arena
38%inclusion3 decks8 decks
-3%synergy
Funeral Room // Awakening Hall
25%inclusion2 decks8 decks
20%synergy
Underworld Dreams
25%inclusion2 decks8 decks
18%synergy
Sanguine Bond
25%inclusion2 decks8 decks
13%synergy
Bitterblossom
25%inclusion2 decks8 decks
12%synergy
The Meathook Massacre
25%inclusion2 decks8 decks
8%synergy
Grave Pact
25%inclusion2 decks8 decks
6%synergy
Black Market
25%inclusion2 decks8 decks
4%synergy
Haunted Crossroads
13%inclusion1 decks8 decks
12%synergy
Gift of Doom
13%inclusion1 decks8 decks
12%synergy
Dark Tutelage
13%inclusion1 decks8 decks
11%synergy
Case of the Stashed Skeleton
13%inclusion1 decks8 decks
10%synergy
Underworld Connections
13%inclusion1 decks8 decks
10%synergy
Revenge of Ravens
13%inclusion1 decks8 decks
10%synergy
Grievous Wound
13%inclusion1 decks8 decks
10%synergy
Necrodominance
13%inclusion1 decks8 decks
10%synergy
Ghoulish Procession
13%inclusion1 decks8 decks
10%synergy
Sothera, the Supervoid
13%inclusion1 decks8 decks
9%synergy
Nowhere to Run
13%inclusion1 decks8 decks
9%synergy
Chthonian Nightmare
13%inclusion1 decks8 decks
9%synergy
Revel in Riches
13%inclusion1 decks8 decks
7%synergy
Greed
13%inclusion1 decks8 decks
5%synergy
Kaya's Ghostform
13%inclusion1 decks8 decks
2%synergy
Dictate of Erebos
13%inclusion1 decks8 decks
2%synergy
Exquisite Blood
13%inclusion1 decks8 decks
-1%synergy
Animate Dead
13%inclusion1 decks8 decks
-5%synergy
Planeswalkers
Tezzeret, Cruel Captain
13%inclusion1 decks8 decks
11%synergy
Liliana, Dreadhorde General
13%inclusion1 decks8 decks
-1%synergy
Utility Lands
Phyrexian Tower
50%inclusion4 decks8 decks
26%synergy
High Market
38%inclusion3 decks8 decks
31%synergy
Bojuka Bog
38%inclusion3 decks8 decks
-9%synergy
Cabal Coffers
38%inclusion3 decks8 decks
-18%synergy
Barad-dûr
25%inclusion2 decks8 decks
21%synergy
Shizo, Death's Storehouse
25%inclusion2 decks8 decks
15%synergy
Crypt of Agadeem
25%inclusion2 decks8 decks
14%synergy
Midgar, City of Mako
25%inclusion2 decks8 decks
12%synergy
Castle Locthwain
25%inclusion2 decks8 decks
7%synergy
Witch's Cottage
25%inclusion2 decks8 decks
0%synergy
Nykthos, Shrine to Nyx
25%inclusion2 decks8 decks
-5%synergy
Bonders' Enclave
13%inclusion1 decks8 decks
12%synergy
Hall of the Bandit Lord
13%inclusion1 decks8 decks
12%synergy
Hive of the Eye Tyrant
13%inclusion1 decks8 decks
11%synergy
Ebon Stronghold
13%inclusion1 decks8 decks
11%synergy
Witch's Clinic
13%inclusion1 decks8 decks
11%synergy
Peat Bog
13%inclusion1 decks8 decks
11%synergy
Deserted Temple
13%inclusion1 decks8 decks
8%synergy
Susur Secundi, Void Altar
13%inclusion1 decks8 decks
5%synergy
Temple of the False God
13%inclusion1 decks8 decks
5%synergy
Command Beacon
13%inclusion1 decks8 decks
4%synergy
Spymaster's Vault
13%inclusion1 decks8 decks
3%synergy
Barren Moor
13%inclusion1 decks8 decks
2%synergy
Mortuary Mire
13%inclusion1 decks8 decks
-1%synergy
Takenuma, Abandoned Mire
13%inclusion1 decks8 decks
-4%synergy
Rogue's Passage
13%inclusion1 decks8 decks
-6%synergy
Reliquary Tower
13%inclusion1 decks8 decks
-19%synergy
Cabal Stronghold
13%inclusion1 decks8 decks
-23%synergy
Urborg, Tomb of Yawgmoth
13%inclusion1 decks8 decks
-25%synergy
Mana Artifacts
Sol Ring
75%inclusion6 decks8 decks
-11%synergy
The Soul Stone
63%inclusion5 decks8 decks
50%synergy
Arcane Signet
50%inclusion4 decks8 decks
-13%synergy
Charcoal Diamond
25%inclusion2 decks8 decks
2%synergy
Thought Vessel
25%inclusion2 decks8 decks
-2%synergy
Mind Stone
25%inclusion2 decks8 decks
-6%synergy
Worn Powerstone
13%inclusion1 decks8 decks
8%synergy
Commander's Sphere
13%inclusion1 decks8 decks
3%synergy
Fellwar Stone
13%inclusion1 decks8 decks
-2%synergy
Lands
Daily Bugle Building
13%inclusion1 decks8 decks
12%synergy
Fabled Passage
13%inclusion1 decks8 decks
11%synergy
Gemstone Caverns
13%inclusion1 decks8 decks
8%synergy
Demolition Field
13%inclusion1 decks8 decks
7%synergy
Cavern of Souls
13%inclusion1 decks8 decks
6%synergy
Urza's Cave
13%inclusion1 decks8 decks
4%synergy
Myriad Landscape
13%inclusion1 decks8 decks
-14%synergy