Mortuary
Gray Merchant of Asphodel
Umbral Collar Zealot
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 Umbral Collar Zealot 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 Umbral Collar Zealot 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
Infinite surveil
Gwenom, Remorseless
23%inclusion799 decks3.41K decks
Sephiroth, Fabled SOLDIER
0.2%inclusion41 decks22.6K decks
Witch-king of Angmar
0.1%inclusion1 decks891 decks
Braids, Arisen Nightmare
0.0%inclusion1 decks8.05K decks
Mikaeus, the Unhallowed
0.1%inclusion1 decks1.96K decks
Yawgmoth, Thran Physician
0.0%inclusion1 decks6.57K decks
The Ghoul, Gunslinger
0.1%inclusion1 decks1.42K decks
Imskir Iron-Eater
0.0%inclusion1 decks5.25K decks
Ayara, First of Locthwain
0.0%inclusion1 decks6.44K decks
Maralen of the Mornsong
0.0%inclusion1 decks2.44K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks20.5K decks
New Cards
Skateboard
30%inclusion70 decks230 decks
30%synergy
Dream Beavers
12%inclusion26 decks223 decks
11%synergy
Splinter's Technique
3.7%inclusion12 decks321 decks
3%synergy
Shredder's Technique
3.3%inclusion8 decks239 decks
2%synergy
South Wind Avatar
1.3%inclusion4 decks317 decks
1%synergy
High Synergy Cards
Sensei's Divining Top
92%inclusion780 decks849 decks
87%synergy
Aetherflux Reservoir
89%inclusion752 decks849 decks
85%synergy
Blood Pet
81%inclusion685 decks849 decks
80%synergy
Lavaspur Boots
79%inclusion667 decks849 decks
77%synergy
Tendrils of Agony
77%inclusion656 decks849 decks
77%synergy
Culling the Weak
80%inclusion677 decks849 decks
75%synergy
Viscera Seer
83%inclusion705 decks849 decks
75%synergy
Scheming Symmetry
76%inclusion649 decks849 decks
75%synergy
Death Cultist
74%inclusion628 decks849 decks
74%synergy
Cabal Ritual
78%inclusion664 decks849 decks
73%synergy
Top Cards
Dark Ritual
97%inclusion827 decks849 decks
73%synergy
Lightning Greaves
89%inclusion759 decks849 decks
65%synergy
Jet Medallion
71%inclusion602 decks849 decks
67%synergy
Reanimate
64%inclusion541 decks849 decks
45%synergy
Beseech the Mirror
61%inclusion522 decks849 decks
58%synergy
Crashing Drawbridge
61%inclusion518 decks849 decks
59%synergy
Wishclaw Talisman
59%inclusion498 decks849 decks
54%synergy
Professor Onyx
59%inclusion497 decks849 decks
57%synergy
Swiftfoot Boots
58%inclusion493 decks849 decks
31%synergy
Defense Grid
56%inclusion473 decks849 decks
55%synergy
Game Changers
Vampiric Tutor
70%inclusion596 decks849 decks
56%synergy
Necropotence
66%inclusion557 decks849 decks
60%synergy
Demonic Tutor
62%inclusion528 decks849 decks
43%synergy
Ancient Tomb
57%inclusion488 decks849 decks
48%synergy
Bolas's Citadel
54%inclusion455 decks849 decks
46%synergy
Mana Vault
53%inclusion446 decks849 decks
47%synergy
Chrome Mox
52%inclusion440 decks849 decks
46%synergy
Imperial Seal
51%inclusion433 decks849 decks
46%synergy
Orcish Bowmasters
51%inclusion432 decks849 decks
43%synergy
Opposition Agent
43%inclusion367 decks849 decks
38%synergy
Creatures
Boggart Trawler
56%inclusion475 decks849 decks
52%synergy
Doom Whisperer
56%inclusion473 decks849 decks
54%synergy
Sheoldred, the Apocalypse
53%inclusion452 decks849 decks
48%synergy
Dauthi Voidwalker
51%inclusion430 decks849 decks
44%synergy
Blood Artist
44%inclusion374 decks849 decks
33%synergy
Ornithopter
42%inclusion357 decks849 decks
40%synergy
Crypt Ghast
38%inclusion324 decks849 decks
33%synergy
Memnite
37%inclusion313 decks849 decks
36%synergy
Phyrexian Walker
33%inclusion282 decks849 decks
33%synergy
K'rrik, Son of Yawgmoth
32%inclusion269 decks849 decks
29%synergy
Shard of the Nightbringer
29%inclusion245 decks849 decks
28%synergy
Bloodthirsty Conqueror
29%inclusion244 decks849 decks
25%synergy
Enduring Tenacity
27%inclusion228 decks849 decks
24%synergy
Zulaport Cutthroat
25%inclusion216 decks849 decks
17%synergy
Shield Sphere
25%inclusion212 decks849 decks
25%synergy
Hoarding Broodlord
25%inclusion210 decks849 decks
23%synergy
Diamond Lion
24%inclusion207 decks849 decks
24%synergy
Vito, Thorn of the Dusk Rose
24%inclusion204 decks849 decks
19%synergy
Warren Soultrader
23%inclusion195 decks849 decks
17%synergy
Ayara, First of Locthwain
22%inclusion188 decks849 decks
19%synergy
Vilis, Broker of Blood
19%inclusion160 decks849 decks
16%synergy
Sephiroth, Fabled SOLDIER
19%inclusion159 decks849 decks
16%synergy
Ancient Cellarspawn
18%inclusion152 decks849 decks
17%synergy
Gravecrawler
17%inclusion146 decks849 decks
13%synergy
Diamond Mare
16%inclusion138 decks849 decks
16%synergy
Overeager Apprentice
16%inclusion135 decks849 decks
16%synergy
Wandering Archaic
15%inclusion124 decks849 decks
13%synergy
Basal Thrull
14%inclusion117 decks849 decks
14%synergy
Woe Strider
14%inclusion116 decks849 decks
12%synergy
Creeping Bloodsucker
13%inclusion112 decks849 decks
11%synergy
Marauding Blight-Priest
13%inclusion109 decks849 decks
10%synergy
Forsaken Miner
12%inclusion98 decks849 decks
10%synergy
Bloodletter of Aclazotz
11%inclusion96 decks849 decks
8%synergy
Faerie Dreamthief
11%inclusion95 decks849 decks
11%synergy
Greedy Freebooter
11%inclusion94 decks849 decks
10%synergy
Noxious Gearhulk
11%inclusion94 decks849 decks
8%synergy
Soldevi Adnate
11%inclusion91 decks849 decks
10%synergy
Braids, Arisen Nightmare
11%inclusion90 decks849 decks
3%synergy
Carrion Feeder
10%inclusion89 decks849 decks
6%synergy
Barrier of Bones
10%inclusion88 decks849 decks
10%synergy
Shambling Ghast
10%inclusion87 decks849 decks
9%synergy
Blood Vassal
10%inclusion85 decks849 decks
10%synergy
Phyrexian Devourer
10%inclusion84 decks849 decks
10%synergy
Dread Presence
10%inclusion83 decks849 decks
8%synergy
Cauldron Familiar
9.3%inclusion79 decks849 decks
8%synergy
Kokusho, the Evening Star
9.2%inclusion78 decks849 decks
8%synergy
Pitiless Plunderer
9.1%inclusion77 decks849 decks
1%synergy
Haunt of the Dead Marshes
8.7%inclusion74 decks849 decks
8%synergy
Twilight Prophet
8.5%inclusion72 decks849 decks
6%synergy
Biblioplex Assistant
8.0%inclusion68 decks849 decks
8%synergy
Instants
Fell the Profane
67%inclusion568 decks849 decks
58%synergy
Deadly Rollick
55%inclusion463 decks849 decks
41%synergy
Insidious Dreams
53%inclusion448 decks849 decks
53%synergy
Imp's Mischief
42%inclusion355 decks849 decks
38%synergy
Malakir Rebirth
41%inclusion345 decks849 decks
32%synergy
Saw in Half
40%inclusion341 decks849 decks
36%synergy
Withering Torment
38%inclusion320 decks849 decks
30%synergy
Rain of Filth
33%inclusion279 decks849 decks
32%synergy
Sacrifice
29%inclusion250 decks849 decks
28%synergy
Dismember
29%inclusion246 decks849 decks
26%synergy
Entomb
27%inclusion231 decks849 decks
20%synergy
Tainted Pact
25%inclusion216 decks849 decks
22%synergy
Cut Down
20%inclusion171 decks849 decks
19%synergy
Snuff Out
18%inclusion150 decks849 decks
14%synergy
Consuming Corruption
16%inclusion137 decks849 decks
15%synergy
Slaughter Pact
16%inclusion133 decks849 decks
15%synergy
Infernal Grasp
14%inclusion118 decks849 decks
6%synergy
Defile
13%inclusion112 decks849 decks
10%synergy
Fatal Push
11%inclusion91 decks849 decks
10%synergy
Not Dead After All
10%inclusion88 decks849 decks
8%synergy
Hagra Mauling
9.1%inclusion77 decks849 decks
7%synergy
Archenemy's Charm
7.7%inclusion65 decks849 decks
6%synergy
Deadly Dispute
7.2%inclusion61 decks849 decks
-5%synergy
Go for the Throat
7.1%inclusion60 decks849 decks
1%synergy
Flare of Malice
6.9%inclusion59 decks849 decks
5%synergy
Sudden Spoiling
6.6%inclusion56 decks849 decks
5%synergy
Feign Death
6.5%inclusion55 decks849 decks
4%synergy
Sheoldred's Edict
6.4%inclusion54 decks849 decks
4%synergy
Crypt Incursion
5.7%inclusion48 decks849 decks
5%synergy
Mausoleum Secrets
5.5%inclusion47 decks849 decks
5%synergy
Sorceries
Feed the Swarm
55%inclusion468 decks849 decks
39%synergy
Doomsday
52%inclusion445 decks849 decks
52%synergy
Chain of Smog
47%inclusion402 decks849 decks
46%synergy
Toxic Deluge
47%inclusion400 decks849 decks
29%synergy
Diabolic Intent
45%inclusion381 decks849 decks
37%synergy
Praetor's Grasp
41%inclusion351 decks849 decks
39%synergy
Grim Tutor
40%inclusion340 decks849 decks
36%synergy
Cruel Tutor
39%inclusion332 decks849 decks
39%synergy
Agadeem's Awakening
38%inclusion325 decks849 decks
35%synergy
Insatiable Avarice
31%inclusion263 decks849 decks
28%synergy
Peer into the Abyss
29%inclusion243 decks849 decks
26%synergy
Yawgmoth's Will
26%inclusion223 decks849 decks
25%synergy
Dark Petition
26%inclusion221 decks849 decks
25%synergy
Profane Tutor
25%inclusion213 decks849 decks
23%synergy
Exsanguinate
22%inclusion185 decks849 decks
15%synergy
Bubbling Muck
19%inclusion158 decks849 decks
17%synergy
Sign in Blood
15%inclusion126 decks849 decks
6%synergy
Night's Whisper
15%inclusion125 decks849 decks
5%synergy
Diabolic Tutor
11%inclusion96 decks849 decks
6%synergy
Damnation
11%inclusion95 decks849 decks
5%synergy
Persist
9.4%inclusion80 decks849 decks
7%synergy
Unmarked Grave
8.2%inclusion70 decks849 decks
6%synergy
Zof Consumption
8.0%inclusion68 decks849 decks
8%synergy
Black Sun's Zenith
7.8%inclusion66 decks849 decks
6%synergy
Pelakka Predation
7.1%inclusion60 decks849 decks
7%synergy
Victimize
6.2%inclusion53 decks849 decks
-6%synergy
Torment of Hailfire
6.0%inclusion51 decks849 decks
2%synergy
Blood Tithe
5.4%inclusion46 decks849 decks
5%synergy
Duress
5.4%inclusion46 decks849 decks
4%synergy
Blasphemous Edict
5.3%inclusion45 decks849 decks
0%synergy
Utility Artifacts
The One Ring
42%inclusion359 decks849 decks
34%synergy
Bontu's Monument
36%inclusion308 decks849 decks
34%synergy
Codex Shredder
36%inclusion305 decks849 decks
35%synergy
Conqueror's Flail
36%inclusion305 decks849 decks
35%synergy
Scroll Rack
31%inclusion262 decks849 decks
30%synergy
Ghoulcaller's Bell
30%inclusion256 decks849 decks
30%synergy
Manifold Key
28%inclusion237 decks849 decks
26%synergy
Conjurer's Bauble
22%inclusion188 decks849 decks
22%synergy
Pyxis of Pandemonium
21%inclusion178 decks849 decks
21%synergy
The Darkness Crystal
21%inclusion176 decks849 decks
17%synergy
Wand of Vertebrae
20%inclusion169 decks849 decks
20%synergy
Demon's Horn
18%inclusion152 decks849 decks
18%synergy
Voltaic Key
16%inclusion135 decks849 decks
15%synergy
Phyrexian Altar
16%inclusion132 decks849 decks
12%synergy
Ashnod's Altar
13%inclusion109 decks849 decks
6%synergy
Prism Ring
12%inclusion103 decks849 decks
12%synergy
Mishra's Bauble
11%inclusion96 decks849 decks
10%synergy
Altar of Dementia
11%inclusion96 decks849 decks
9%synergy
Grinding Station
10%inclusion85 decks849 decks
9%synergy
Staff of the Death Magus
10%inclusion82 decks849 decks
9%synergy
Brainstone
8.8%inclusion75 decks849 decks
9%synergy
Golem's Heart
8.6%inclusion73 decks849 decks
9%synergy
The Endstone
8.4%inclusion71 decks849 decks
8%synergy
Commander's Plate
7.9%inclusion67 decks849 decks
5%synergy
Candy Trail
7.3%inclusion62 decks849 decks
7%synergy
Moonsilver Key
7.2%inclusion61 decks849 decks
6%synergy
Skullclamp
5.9%inclusion50 decks849 decks
-5%synergy
Engineered Explosives
5.3%inclusion45 decks849 decks
5%synergy
Enchantments
Heartless Summoning
37%inclusion317 decks849 decks
36%synergy
Animate Dead
33%inclusion276 decks849 decks
24%synergy
Exquisite Blood
28%inclusion237 decks849 decks
23%synergy
Sanguine Bond
23%inclusion192 decks849 decks
17%synergy
Black Market Connections
20%inclusion171 decks849 decks
8%synergy
Phyrexian Arena
16%inclusion140 decks849 decks
1%synergy
The Meathook Massacre
15%inclusion125 decks849 decks
10%synergy
Necromancy
13%inclusion110 decks849 decks
10%synergy
Font of Agonies
12%inclusion106 decks849 decks
12%synergy
Kaya's Ghostform
10%inclusion82 decks849 decks
6%synergy
Dance of the Dead
9.1%inclusion77 decks849 decks
8%synergy
Bloodchief Ascension
8.2%inclusion70 decks849 decks
5%synergy
Grave Pact
6.0%inclusion51 decks849 decks
1%synergy
Bitterblossom
5.7%inclusion48 decks849 decks
1%synergy
Bastion of Remembrance
5.5%inclusion47 decks849 decks
-1%synergy
Planeswalkers
Tezzeret, Cruel Captain
48%inclusion409 decks849 decks
46%synergy
Liliana Vess
16%inclusion136 decks849 decks
15%synergy
Ugin, Eye of the Storms
10%inclusion88 decks849 decks
9%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
66%inclusion559 decks849 decks
57%synergy
Phyrexian Tower
63%inclusion539 decks849 decks
55%synergy
Hall of the Bandit Lord
57%inclusion486 decks849 decks
57%synergy
Urza's Saga
50%inclusion428 decks849 decks
43%synergy
Crystal Vein
48%inclusion408 decks849 decks
47%synergy
Cabal Coffers
37%inclusion318 decks849 decks
28%synergy
City of Traitors
37%inclusion313 decks849 decks
36%synergy
Vault of Whispers
36%inclusion305 decks849 decks
32%synergy
Peat Bog
33%inclusion281 decks849 decks
33%synergy
Nykthos, Shrine to Nyx
32%inclusion268 decks849 decks
26%synergy
Takenuma, Abandoned Mire
31%inclusion267 decks849 decks
23%synergy
Shizo, Death's Storehouse
24%inclusion200 decks849 decks
19%synergy
Emergence Zone
23%inclusion199 decks849 decks
21%synergy
Ebon Stronghold
22%inclusion185 decks849 decks
22%synergy
Bojuka Bog
21%inclusion180 decks849 decks
-8%synergy
Lake of the Dead
20%inclusion167 decks849 decks
19%synergy
Rogue's Passage
20%inclusion167 decks849 decks
-1%synergy
Cabal Stronghold
14%inclusion121 decks849 decks
11%synergy
Command Beacon
12%inclusion106 decks849 decks
8%synergy
Swarmyard
12%inclusion98 decks849 decks
10%synergy
Witch's Cottage
11%inclusion97 decks849 decks
8%synergy
The Black Gate
9.0%inclusion76 decks849 decks
6%synergy
Reliquary Tower
8.8%inclusion75 decks849 decks
-21%synergy
War Room
8.1%inclusion69 decks849 decks
2%synergy
Blast Zone
8.0%inclusion68 decks849 decks
7%synergy
Spymaster's Vault
7.7%inclusion65 decks849 decks
5%synergy
Castle Locthwain
7.7%inclusion65 decks849 decks
4%synergy
Midgar, City of Mako
7.4%inclusion63 decks849 decks
4%synergy
Mortuary Mire
6.4%inclusion54 decks849 decks
2%synergy
Inventors' Fair
6.2%inclusion53 decks849 decks
2%synergy
Deserted Temple
5.2%inclusion44 decks849 decks
4%synergy
High Market
5.1%inclusion43 decks849 decks
2%synergy
Mana Artifacts
Sol Ring
96%inclusion817 decks849 decks
13%synergy
Arcane Signet
86%inclusion727 decks849 decks
13%synergy
Lotus Petal
66%inclusion559 decks849 decks
59%synergy
Fellwar Stone
50%inclusion427 decks849 decks
30%synergy
The Soul Stone
50%inclusion424 decks849 decks
46%synergy
Mox Opal
46%inclusion394 decks849 decks
42%synergy
Grim Monolith
39%inclusion327 decks849 decks
37%synergy
Lion's Eye Diamond
37%inclusion315 decks849 decks
35%synergy
Mox Diamond
37%inclusion315 decks849 decks
33%synergy
Mind Stone
33%inclusion283 decks849 decks
19%synergy
Mox Amber
31%inclusion265 decks849 decks
27%synergy
Jeweled Amulet
29%inclusion250 decks849 decks
29%synergy
Chromatic Star
29%inclusion242 decks849 decks
28%synergy
Chromatic Sphere
28%inclusion236 decks849 decks
27%synergy
Everflowing Chalice
20%inclusion169 decks849 decks
16%synergy
Springleaf Drum
18%inclusion154 decks849 decks
16%synergy
Thought Vessel
14%inclusion123 decks849 decks
-3%synergy
Lotus Bloom
7.5%inclusion64 decks849 decks
7%synergy
Charcoal Diamond
7.1%inclusion60 decks849 decks
3%synergy
Paradise Mantle
6.6%inclusion56 decks849 decks
6%synergy
Lands
Gemstone Caverns
52%inclusion440 decks849 decks
47%synergy
Bloodstained Mire
49%inclusion415 decks849 decks
38%synergy
Polluted Delta
48%inclusion405 decks849 decks
36%synergy
Verdant Catacombs
46%inclusion394 decks849 decks
36%synergy
Marsh Flats
46%inclusion390 decks849 decks
35%synergy
Cavern of Souls
41%inclusion349 decks849 decks
34%synergy
Prismatic Vista
39%inclusion333 decks849 decks
34%synergy
Talon Gates of Madara
19%inclusion161 decks849 decks
17%synergy
Mana Confluence
8.0%inclusion68 decks849 decks
1%synergy
Daily Bugle Building
6.9%inclusion59 decks849 decks
6%synergy
Command Tower
6.7%inclusion57 decks849 decks
-68%synergy
Plaza of Heroes
5.5%inclusion47 decks849 decks
3%synergy
Urza's Cave
5.1%inclusion43 decks849 decks
2%synergy
Demolition Field
5.1%inclusion43 decks849 decks
2%synergy