Mortuary
Cauldron Familiar
Umbral Collar Zealot
Bolas's Citadel

   Prerequisites

What do I need to start this combo?
Cauldron Familiar in hand or in your library (Cauldron Familiar on top of your library in your library).
All other permanents on the battlefield.
You have a life total of at least 2 if Cauldron Familiar is on top of your library.
if Cauldron Familiar is in your hand available

   Steps

How does this combo work?
1
Cast Cauldron Familiar either from your hand or from the top of your library by paying or 1 life respectively.
2
When Cauldron Familiar enters, it triggers, causing each opponent to lose 1 life and you to gain 1 life.
3
Activate Umbral Collar Zealot by sacrificing Cauldron Familiar.
4
When Cauldron Familiar dies, Mortuary triggers, putting Cauldron Familiar 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 storm count
Infinite lifeloss
Gwenom, Remorseless
1.4%inclusion44 decks3.17K decks
Edgar Markov
0.0%inclusion2 decks43.1K decks
Valgavoth, Terror Eater
0.0%inclusion1 decks3.62K decks
High Synergy Cards
Death Cultist
94%inclusion44 decks47 decks
94%synergy
Viscera Seer
98%inclusion46 decks47 decks
90%synergy
Sensei's Divining Top
91%inclusion43 decks47 decks
87%synergy
Aetherflux Reservoir
89%inclusion42 decks47 decks
86%synergy
Gray Merchant of Asphodel
94%inclusion44 decks47 decks
85%synergy
Blood Pet
79%inclusion37 decks47 decks
78%synergy
Dark Ritual
96%inclusion45 decks47 decks
71%synergy
Lavaspur Boots
72%inclusion34 decks47 decks
71%synergy
Jet Medallion
74%inclusion35 decks47 decks
71%synergy
Bontu's Monument
72%inclusion34 decks47 decks
70%synergy
Top Cards
Lightning Greaves
85%inclusion40 decks47 decks
60%synergy
Swiftfoot Boots
85%inclusion40 decks47 decks
58%synergy
Culling the Weak
70%inclusion33 decks47 decks
66%synergy
Cabal Ritual
70%inclusion33 decks47 decks
65%synergy
Reanimate
70%inclusion33 decks47 decks
51%synergy
Scheming Symmetry
68%inclusion32 decks47 decks
66%synergy
Tendrils of Agony
66%inclusion31 decks47 decks
65%synergy
Feed the Swarm
66%inclusion31 decks47 decks
50%synergy
Beseech the Mirror
64%inclusion30 decks47 decks
61%synergy
Insidious Dreams
57%inclusion27 decks47 decks
57%synergy
Game Changers
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57%inclusion27 decks47 decks
43%synergy
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36%inclusion17 decks47 decks
31%synergy
Ancient Tomb
34%inclusion16 decks47 decks
25%synergy
Mana Vault
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24%synergy
Demonic Tutor
30%inclusion14 decks47 decks
11%synergy
Chrome Mox
28%inclusion13 decks47 decks
22%synergy
Imperial Seal
23%inclusion11 decks47 decks
18%synergy
The One Ring
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11%synergy
Mox Diamond
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13%synergy
Grim Monolith
13%inclusion6 decks47 decks
11%synergy
Creatures
Doom Whisperer
55%inclusion26 decks47 decks
54%synergy
Boggart Trawler
55%inclusion26 decks47 decks
51%synergy
Serrated Scorpion
53%inclusion25 decks47 decks
53%synergy
Crashing Drawbridge
53%inclusion25 decks47 decks
52%synergy
Blood Artist
53%inclusion25 decks47 decks
42%synergy
Crypt Ghast
51%inclusion24 decks47 decks
46%synergy
Zulaport Cutthroat
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40%synergy
Fear of Lost Teeth
45%inclusion21 decks47 decks
44%synergy
Carrion Feeder
40%inclusion19 decks47 decks
36%synergy
Woe Strider
38%inclusion18 decks47 decks
36%synergy
Qarsi Sadist
36%inclusion17 decks47 decks
36%synergy
Warren Soultrader
36%inclusion17 decks47 decks
31%synergy
Sheoldred, the Apocalypse
34%inclusion16 decks47 decks
29%synergy
Spectrum Sentinel
28%inclusion13 decks47 decks
27%synergy
Grief
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27%synergy
Ornithopter
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26%synergy
Gravecrawler
28%inclusion13 decks47 decks
24%synergy
Enduring Tenacity
26%inclusion12 decks47 decks
22%synergy
Vito, Thorn of the Dusk Rose
26%inclusion12 decks47 decks
20%synergy
Dauthi Voidwalker
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19%synergy
Memnite
21%inclusion10 decks47 decks
21%synergy
K'rrik, Son of Yawgmoth
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19%synergy
Vilis, Broker of Blood
21%inclusion10 decks47 decks
18%synergy
Bloodthirsty Conqueror
21%inclusion10 decks47 decks
18%synergy
Shard of the Nightbringer
17%inclusion8 decks47 decks
16%synergy
Sephiroth, Fabled SOLDIER
17%inclusion8 decks47 decks
15%synergy
Marauding Blight-Priest
17%inclusion8 decks47 decks
14%synergy
Mogis's Marauder
15%inclusion7 decks47 decks
15%synergy
Phyrexian Walker
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14%synergy
Forsaken Miner
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14%synergy
Starscape Cleric
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13%synergy
Opposition Agent
15%inclusion7 decks47 decks
10%synergy
Pitiless Plunderer
15%inclusion7 decks47 decks
6%synergy
Ayara, First of Locthwain
13%inclusion6 decks47 decks
9%synergy
Orcish Bowmasters
13%inclusion6 decks47 decks
4%synergy
Shambling Ghast
11%inclusion5 decks47 decks
10%synergy
Greedy Freebooter
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9%synergy
Kokusho, the Evening Star
11%inclusion5 decks47 decks
9%synergy
Ancient Cellarspawn
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9%synergy
Hoarding Broodlord
11%inclusion5 decks47 decks
9%synergy
Solemn Simulacrum
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-2%synergy
Basal Thrull
8.5%inclusion4 decks47 decks
8%synergy
Diamond Mare
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8%synergy
Soldevi Adnate
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8%synergy
Susurian Voidborn
8.5%inclusion4 decks47 decks
8%synergy
Vengeful Bloodwitch
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7%synergy
Bloodletter of Aclazotz
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5%synergy
Reassembling Skeleton
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5%synergy
Overeager Apprentice
6.4%inclusion3 decks47 decks
6%synergy
Blackbloom Rogue
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6%synergy
Instants
Malakir Rebirth
55%inclusion26 decks47 decks
47%synergy
Fell the Profane
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44%synergy
Deadly Rollick
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22%synergy
Sudden Spoiling
32%inclusion15 decks47 decks
30%synergy
Hagra Mauling
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30%synergy
Dismember
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29%synergy
Imp's Mischief
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26%synergy
Erebos's Intervention
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25%synergy
Null Elemental Blast
23%inclusion11 decks47 decks
22%synergy
Rain of Filth
21%inclusion10 decks47 decks
20%synergy
Withering Torment
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13%synergy
Defile
19%inclusion9 decks47 decks
16%synergy
Snuff Out
19%inclusion9 decks47 decks
16%synergy
Saw in Half
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15%synergy
Sacrifice
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14%synergy
Sudden Edict
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12%synergy
Go for the Throat
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6%synergy
Infernal Grasp
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5%synergy
Tainted Pact
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7%synergy
Entomb
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4%synergy
Cut Down
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8%synergy
Archenemy's Charm
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7%synergy
Not Dead After All
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6%synergy
Fatal Push
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5%synergy
Consuming Corruption
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5%synergy
Demonic Consultation
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3%synergy
Tragic Slip
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3%synergy
Village Rites
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-3%synergy
Sorceries
Insatiable Avarice
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55%synergy
Toxic Deluge
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39%synergy
Doomsday
47%inclusion22 decks47 decks
46%synergy
Exsanguinate
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40%synergy
Bubbling Muck
45%inclusion21 decks47 decks
43%synergy
Praetor's Grasp
38%inclusion18 decks47 decks
36%synergy
Pelakka Predation
34%inclusion16 decks47 decks
34%synergy
Zof Consumption
32%inclusion15 decks47 decks
32%synergy
Duress
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31%synergy
Diabolic Intent
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24%synergy
Torment of Hailfire
30%inclusion14 decks47 decks
26%synergy
Cruelclaw's Heist
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25%synergy
Chain of Smog
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25%synergy
Diabolic Tutor
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20%synergy
Agadeem's Awakening
23%inclusion11 decks47 decks
20%synergy
Grim Tutor
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17%synergy
Peer into the Abyss
19%inclusion9 decks47 decks
17%synergy
Night's Whisper
19%inclusion9 decks47 decks
10%synergy
Cruel Tutor
15%inclusion7 decks47 decks
14%synergy
Profane Tutor
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13%synergy
Sign in Blood
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6%synergy
Pilfer
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12%synergy
Dark Petition
13%inclusion6 decks47 decks
12%synergy
Read the Bones
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5%synergy
Victimize
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-2%synergy
Blasphemous Edict
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3%synergy
Yawgmoth's Will
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5%synergy
Final Parting
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5%synergy
Lively Dirge
6.4%inclusion3 decks47 decks
5%synergy
Buried Alive
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0%synergy
Damnation
6.4%inclusion3 decks47 decks
0%synergy
Utility Artifacts
Defense Grid
55%inclusion26 decks47 decks
54%synergy
Scroll Rack
47%inclusion22 decks47 decks
46%synergy
Conqueror's Flail
43%inclusion20 decks47 decks
42%synergy
Codex Shredder
36%inclusion17 decks47 decks
35%synergy
Brainstone
34%inclusion16 decks47 decks
34%synergy
Phyrexian Altar
34%inclusion16 decks47 decks
31%synergy
Wishclaw Talisman
34%inclusion16 decks47 decks
29%synergy
Golem's Heart
30%inclusion14 decks47 decks
30%synergy
Altar of Dementia
26%inclusion12 decks47 decks
23%synergy
Wand of Vertebrae
17%inclusion8 decks47 decks
17%synergy
Ashnod's Altar
17%inclusion8 decks47 decks
11%synergy
Ghoulcaller's Bell
15%inclusion7 decks47 decks
15%synergy
Pyxis of Pandemonium
13%inclusion6 decks47 decks
13%synergy
Demon's Horn
11%inclusion5 decks47 decks
10%synergy
Mishra's Bauble
11%inclusion5 decks47 decks
9%synergy
The Darkness Crystal
11%inclusion5 decks47 decks
7%synergy
The Endstone
8.5%inclusion4 decks47 decks
8%synergy
Veilstone Amulet
6.4%inclusion3 decks47 decks
6%synergy
Prism Ring
6.4%inclusion3 decks47 decks
6%synergy
Conjurer's Bauble
6.4%inclusion3 decks47 decks
6%synergy
Tormod's Crypt
6.4%inclusion3 decks47 decks
5%synergy
Moonsilver Key
6.4%inclusion3 decks47 decks
5%synergy
Mindcrank
6.4%inclusion3 decks47 decks
5%synergy
Enchantments
Heartless Summoning
49%inclusion23 decks47 decks
48%synergy
Animate Dead
45%inclusion21 decks47 decks
36%synergy
Font of Agonies
30%inclusion14 decks47 decks
29%synergy
Exquisite Blood
26%inclusion12 decks47 decks
20%synergy
Sanguine Bond
23%inclusion11 decks47 decks
18%synergy
Phyrexian Arena
23%inclusion11 decks47 decks
8%synergy
The Meathook Massacre
17%inclusion8 decks47 decks
12%synergy
Black Market Connections
17%inclusion8 decks47 decks
5%synergy
Haunted Crossroads
8.5%inclusion4 decks47 decks
8%synergy
Blessing of Leeches
8.5%inclusion4 decks47 decks
8%synergy
Kaya's Ghostform
8.5%inclusion4 decks47 decks
5%synergy
Bloodchief Ascension
6.4%inclusion3 decks47 decks
3%synergy
Planeswalkers
Liliana Vess
38%inclusion18 decks47 decks
38%synergy
Professor Onyx
30%inclusion14 decks47 decks
28%synergy
Tezzeret, Cruel Captain
17%inclusion8 decks47 decks
15%synergy
Utility Lands
Hall of the Bandit Lord
53%inclusion25 decks47 decks
53%synergy
Swarmyard
43%inclusion20 decks47 decks
41%synergy
Inventors' Fair
36%inclusion17 decks47 decks
32%synergy
Urza's Saga
36%inclusion17 decks47 decks
29%synergy
Urborg, Tomb of Yawgmoth
36%inclusion17 decks47 decks
27%synergy
Rogue's Passage
36%inclusion17 decks47 decks
16%synergy
Ebon Stronghold
34%inclusion16 decks47 decks
34%synergy
Castle Locthwain
34%inclusion16 decks47 decks
30%synergy
War Room
34%inclusion16 decks47 decks
28%synergy
Cabal Coffers
34%inclusion16 decks47 decks
25%synergy
The Black Gate
32%inclusion15 decks47 decks
29%synergy
Spymaster's Vault
32%inclusion15 decks47 decks
29%synergy
Phyrexian Tower
28%inclusion13 decks47 decks
19%synergy
Amonkhet Raceway
23%inclusion11 decks47 decks
23%synergy
Bonders' Enclave
23%inclusion11 decks47 decks
21%synergy
Crystal Vein
19%inclusion9 decks47 decks
18%synergy
Bojuka Bog
19%inclusion9 decks47 decks
-10%synergy
Peat Bog
15%inclusion7 decks47 decks
14%synergy
Witch's Cottage
15%inclusion7 decks47 decks
12%synergy
Shizo, Death's Storehouse
15%inclusion7 decks47 decks
10%synergy
Command Beacon
15%inclusion7 decks47 decks
10%synergy
Nykthos, Shrine to Nyx
15%inclusion7 decks47 decks
10%synergy
Vault of Whispers
13%inclusion6 decks47 decks
8%synergy
Lake of the Dead
11%inclusion5 decks47 decks
10%synergy
Emergence Zone
11%inclusion5 decks47 decks
8%synergy
City of Traitors
8.5%inclusion4 decks47 decks
7%synergy
Mortuary Mire
8.5%inclusion4 decks47 decks
4%synergy
Cabal Stronghold
6.4%inclusion3 decks47 decks
3%synergy
Takenuma, Abandoned Mire
6.4%inclusion3 decks47 decks
-2%synergy
Reliquary Tower
6.4%inclusion3 decks47 decks
-23%synergy
Mana Artifacts
Sol Ring
98%inclusion46 decks47 decks
14%synergy
Arcane Signet
87%inclusion41 decks47 decks
15%synergy
Fellwar Stone
64%inclusion30 decks47 decks
43%synergy
Lotus Petal
57%inclusion27 decks47 decks
50%synergy
The Soul Stone
51%inclusion24 decks47 decks
47%synergy
Mind Stone
32%inclusion15 decks47 decks
17%synergy
Mox Opal
23%inclusion11 decks47 decks
19%synergy
Thought Vessel
17%inclusion8 decks47 decks
0%synergy
Chromatic Sphere
11%inclusion5 decks47 decks
10%synergy
Lotus Bloom
11%inclusion5 decks47 decks
10%synergy
Springleaf Drum
11%inclusion5 decks47 decks
8%synergy
Mox Amber
11%inclusion5 decks47 decks
6%synergy
Jeweled Amulet
8.5%inclusion4 decks47 decks
8%synergy
Chromatic Star
8.5%inclusion4 decks47 decks
8%synergy
Lion's Eye Diamond
8.5%inclusion4 decks47 decks
7%synergy
Mox Tantalite
6.4%inclusion3 decks47 decks
6%synergy
Sol Talisman
6.4%inclusion3 decks47 decks
6%synergy
Prismatic Lens
6.4%inclusion3 decks47 decks
5%synergy
Charcoal Diamond
6.4%inclusion3 decks47 decks
2%synergy
Everflowing Chalice
6.4%inclusion3 decks47 decks
2%synergy
Lands
Plaza of Heroes
32%inclusion15 decks47 decks
29%synergy
Daily Bugle Building
28%inclusion13 decks47 decks
27%synergy
Demolition Field
26%inclusion12 decks47 decks
22%synergy
Verdant Catacombs
23%inclusion11 decks47 decks
12%synergy
Gemstone Caverns
21%inclusion10 decks47 decks
16%synergy
Cavern of Souls
21%inclusion10 decks47 decks
14%synergy
Marsh Flats
21%inclusion10 decks47 decks
11%synergy
Bloodstained Mire
21%inclusion10 decks47 decks
10%synergy
Polluted Delta
21%inclusion10 decks47 decks
9%synergy
Fabled Passage
19%inclusion9 decks47 decks
10%synergy
Prismatic Vista
15%inclusion7 decks47 decks
10%synergy
Mana Confluence
8.5%inclusion4 decks47 decks
2%synergy
City of Brass
8.5%inclusion4 decks47 decks
1%synergy
Command Tower
8.5%inclusion4 decks47 decks
-66%synergy
Talon Gates of Madara
6.4%inclusion3 decks47 decks
4%synergy
Ash Barrens
6.4%inclusion3 decks47 decks
2%synergy