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%inclusion47 decks3.36K decks
Edgar Markov
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Top Cards
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66%synergy
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68%inclusion34 decks50 decks
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26%inclusion13 decks50 decks
21%synergy
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Creatures
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56%inclusion28 decks50 decks
56%synergy
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21%synergy
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4%synergy
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Instants
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Sorceries
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Duress
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Cruel Tutor
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Dark Petition
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Utility Artifacts
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Brainstone
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32%synergy
Altar of Dementia
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28%synergy
Golem's Heart
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28%synergy
Ashnod's Altar
20%inclusion10 decks50 decks
14%synergy
Wand of Vertebrae
18%inclusion9 decks50 decks
18%synergy
Ghoulcaller's Bell
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18%synergy
Pyxis of Pandemonium
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14%synergy
Demon's Horn
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14%synergy
The Darkness Crystal
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9%synergy
Mishra's Bauble
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9%synergy
Prism Ring
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8%synergy
Conjurer's Bauble
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8%synergy
The Endstone
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7%synergy
Moonsilver Key
8.0%inclusion4 decks50 decks
7%synergy
Veilstone Amulet
6.0%inclusion3 decks50 decks
6%synergy
Candy Trail
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6%synergy
Mindcrank
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4%synergy
Enchantments
Heartless Summoning
50%inclusion25 decks50 decks
49%synergy
Animate Dead
44%inclusion22 decks50 decks
35%synergy
Font of Agonies
28%inclusion14 decks50 decks
27%synergy
Exquisite Blood
28%inclusion14 decks50 decks
23%synergy
Phyrexian Arena
24%inclusion12 decks50 decks
9%synergy
Sanguine Bond
22%inclusion11 decks50 decks
17%synergy
The Meathook Massacre
20%inclusion10 decks50 decks
15%synergy
Black Market Connections
20%inclusion10 decks50 decks
8%synergy
Kaya's Ghostform
10%inclusion5 decks50 decks
6%synergy
Bloodchief Ascension
10%inclusion5 decks50 decks
6%synergy
Blessing of Leeches
8.0%inclusion4 decks50 decks
8%synergy
Haunted Crossroads
8.0%inclusion4 decks50 decks
8%synergy
No Mercy
6.0%inclusion3 decks50 decks
4%synergy
Bastion of Remembrance
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Planeswalkers
Liliana Vess
36%inclusion18 decks50 decks
35%synergy
Professor Onyx
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29%synergy
Tezzeret, Cruel Captain
18%inclusion9 decks50 decks
16%synergy
Utility Lands
Hall of the Bandit Lord
54%inclusion27 decks50 decks
53%synergy
Swarmyard
40%inclusion20 decks50 decks
39%synergy
Urza's Saga
36%inclusion18 decks50 decks
29%synergy
Urborg, Tomb of Yawgmoth
36%inclusion18 decks50 decks
27%synergy
Cabal Coffers
36%inclusion18 decks50 decks
27%synergy
Rogue's Passage
36%inclusion18 decks50 decks
16%synergy
Spymaster's Vault
34%inclusion17 decks50 decks
31%synergy
Castle Locthwain
34%inclusion17 decks50 decks
30%synergy
Inventors' Fair
34%inclusion17 decks50 decks
30%synergy
Ebon Stronghold
32%inclusion16 decks50 decks
32%synergy
The Black Gate
32%inclusion16 decks50 decks
29%synergy
War Room
32%inclusion16 decks50 decks
26%synergy
Phyrexian Tower
28%inclusion14 decks50 decks
19%synergy
Bonders' Enclave
24%inclusion12 decks50 decks
22%synergy
Amonkhet Raceway
22%inclusion11 decks50 decks
21%synergy
Crystal Vein
22%inclusion11 decks50 decks
21%synergy
Bojuka Bog
20%inclusion10 decks50 decks
-10%synergy
Shizo, Death's Storehouse
18%inclusion9 decks50 decks
14%synergy
Nykthos, Shrine to Nyx
18%inclusion9 decks50 decks
13%synergy
Peat Bog
14%inclusion7 decks50 decks
14%synergy
Witch's Cottage
14%inclusion7 decks50 decks
11%synergy
Command Beacon
14%inclusion7 decks50 decks
9%synergy
Emergence Zone
12%inclusion6 decks50 decks
10%synergy
Vault of Whispers
12%inclusion6 decks50 decks
8%synergy
Lake of the Dead
10%inclusion5 decks50 decks
9%synergy
Blast Zone
8.0%inclusion4 decks50 decks
7%synergy
City of Traitors
8.0%inclusion4 decks50 decks
7%synergy
Mortuary Mire
8.0%inclusion4 decks50 decks
4%synergy
Takenuma, Abandoned Mire
8.0%inclusion4 decks50 decks
-1%synergy
Cabal Stronghold
6.0%inclusion3 decks50 decks
3%synergy
Reliquary Tower
6.0%inclusion3 decks50 decks
-24%synergy
Mana Artifacts
Sol Ring
98%inclusion49 decks50 decks
14%synergy
Arcane Signet
82%inclusion41 decks50 decks
10%synergy
Fellwar Stone
60%inclusion30 decks50 decks
40%synergy
Lotus Petal
56%inclusion28 decks50 decks
49%synergy
The Soul Stone
50%inclusion25 decks50 decks
46%synergy
Mind Stone
32%inclusion16 decks50 decks
18%synergy
Mox Opal
24%inclusion12 decks50 decks
20%synergy
Thought Vessel
16%inclusion8 decks50 decks
-1%synergy
Chromatic Sphere
12%inclusion6 decks50 decks
12%synergy
Jeweled Amulet
12%inclusion6 decks50 decks
12%synergy
Springleaf Drum
12%inclusion6 decks50 decks
10%synergy
Lotus Bloom
10%inclusion5 decks50 decks
10%synergy
Chromatic Star
10%inclusion5 decks50 decks
9%synergy
Mox Amber
10%inclusion5 decks50 decks
5%synergy
Lion's Eye Diamond
8.0%inclusion4 decks50 decks
6%synergy
Everflowing Chalice
8.0%inclusion4 decks50 decks
4%synergy
Mox Tantalite
6.0%inclusion3 decks50 decks
6%synergy
Sol Talisman
6.0%inclusion3 decks50 decks
5%synergy
Prismatic Lens
6.0%inclusion3 decks50 decks
5%synergy
Charcoal Diamond
6.0%inclusion3 decks50 decks
2%synergy
Lands
Plaza of Heroes
30%inclusion15 decks50 decks
27%synergy
Daily Bugle Building
26%inclusion13 decks50 decks
25%synergy
Demolition Field
26%inclusion13 decks50 decks
23%synergy
Marsh Flats
24%inclusion12 decks50 decks
13%synergy
Bloodstained Mire
24%inclusion12 decks50 decks
13%synergy
Polluted Delta
24%inclusion12 decks50 decks
12%synergy
Gemstone Caverns
22%inclusion11 decks50 decks
17%synergy
Verdant Catacombs
22%inclusion11 decks50 decks
11%synergy
Cavern of Souls
20%inclusion10 decks50 decks
13%synergy
Fabled Passage
18%inclusion9 decks50 decks
8%synergy
Prismatic Vista
14%inclusion7 decks50 decks
9%synergy
Mana Confluence
10%inclusion5 decks50 decks
3%synergy
Command Tower
10%inclusion5 decks50 decks
-64%synergy
Talon Gates of Madara
6.0%inclusion3 decks50 decks
4%synergy
Ash Barrens
6.0%inclusion3 decks50 decks
1%synergy
City of Brass
6.0%inclusion3 decks50 decks
-2%synergy