Cauldron of Souls
Dross Scorpion
Workhorse

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.

   Steps

How does this combo work?
1
Activate Cauldron of Souls by tapping it, Workhorse gain persist until end of turn.
2
Activate Workhorse by removing a +1/+1 counter, adding .
3
Repeat from step 2 until Workhorse dies.
4
Dross Scorpion and Workhorse triggers.
5
Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
6
Resolve the Workhorse persist ability trigger, returning it to the battlefield with three +1/+1 counters on it.
7
Repeat.

   Results

What do I get from this combo?
Infinite colorless mana
Infinite death triggers
Infinite ETB
Infinite LTB
Omarthis, Ghostfire Initiate
0.3%inclusion8 decks2.59K decks
Magda, Brazen Outlaw
0.0%inclusion2 decks16.9K decks
Zenos yae Galvus
0.1%inclusion2 decks3.76K decks
Preston, the Vanisher
0.1%inclusion2 decks3.06K decks
Marvin, Murderous Mimic
0.1%inclusion1 decks1.89K decks
Trazyn the Infinite
0.0%inclusion1 decks2.35K decks
Bane, Lord of Darkness
0.0%inclusion1 decks2.40K decks
Slobad, Iron Goblin
0.2%inclusion1 decks514 decks
Zabaz, the Glimmerwasp
0.0%inclusion1 decks3.33K decks
Jhoira, Ageless Innovator
0.0%inclusion1 decks2.51K decks
Mazirek, Kraul Death Priest
0.0%inclusion1 decks3.41K decks
Blaster, Combat DJ
0.1%inclusion1 decks685 decks
Reyhan, Last of the Abzan // Rograkh, Son of Rohgahh
0.1%inclusion1 decks1.17K decks
Mikaeus, the Unhallowed
0.0%inclusion1 decks2.08K decks
Kokusho, the Evening Star
0.1%inclusion1 decks1.42K decks
Tromell, Seymour's Butler
0.2%inclusion1 decks483 decks
Weatherlight Compleated
0.2%inclusion1 decks431 decks
Celes, Rune Knight
0.0%inclusion1 decks10.6K decks
Bill Ferny, Bree Swindler
0.2%inclusion1 decks554 decks
Herigast, Erupting Nullkite
0.0%inclusion1 decks4.98K decks
Iron Spider, Stark Upgrade
0.1%inclusion1 decks1.96K decks
Armix, Filigree Thrasher // Rebbec, Architect of Ascension
0.7%inclusion1 decks151 decks
Karn, Legacy Reforged
0.0%inclusion1 decks6.19K decks
Vorel of the Hull Clade
0.1%inclusion1 decks1.76K decks
High Synergy Cards
Oswald Fiddlebender
71%inclusion5 decks7 decks
70%synergy
Triskelion
69%inclusion25 decks36 decks
69%synergy
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69%inclusion25 decks36 decks
63%synergy
Walking Ballista
50%inclusion18 decks36 decks
47%synergy
Viscera Seer
55%inclusion6 decks11 decks
46%synergy
Krark-Clan Ironworks
47%inclusion17 decks36 decks
46%synergy
Buried Ruin
50%inclusion18 decks36 decks
45%synergy
Pentavus
44%inclusion16 decks36 decks
44%synergy
Arcbound Reclaimer
42%inclusion15 decks36 decks
41%synergy
Palladium Myr
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40%synergy
Top Cards
Dark Ritual
45%inclusion5 decks11 decks
20%synergy
Mindless Automaton
39%inclusion14 decks36 decks
39%synergy
Clock of Omens
39%inclusion14 decks36 decks
38%synergy
Exsanguinate
36%inclusion4 decks11 decks
29%synergy
Deadly Dispute
36%inclusion4 decks11 decks
24%synergy
Toxic Deluge
36%inclusion4 decks11 decks
18%synergy
Arcbound Crusher
36%inclusion13 decks36 decks
36%synergy
Arcbound Ravager
36%inclusion13 decks36 decks
36%synergy
Crystalline Crawler
36%inclusion13 decks36 decks
36%synergy
Scrapyard Recombiner
33%inclusion12 decks36 decks
33%synergy
Game Changers
Demonic Tutor
64%inclusion7 decks11 decks
45%synergy
Gamble
40%inclusion4 decks10 decks
31%synergy
Imperial Seal
36%inclusion4 decks11 decks
31%synergy
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36%inclusion4 decks11 decks
22%synergy
Ad Nauseam
27%inclusion3 decks11 decks
25%synergy
Bolas's Citadel
27%inclusion3 decks11 decks
20%synergy
Mana Vault
19%inclusion7 decks36 decks
14%synergy
The One Ring
17%inclusion6 decks36 decks
9%synergy
Ancient Tomb
14%inclusion5 decks36 decks
5%synergy
Creatures
Vigor
50%inclusion3 decks6 decks
47%synergy
Evolution Witness
50%inclusion3 decks6 decks
47%synergy
Losheel, Clockwork Scholar
43%inclusion3 decks7 decks
41%synergy
Gold Myr
43%inclusion3 decks7 decks
40%synergy
Karmic Guide
43%inclusion3 decks7 decks
39%synergy
Loran of the Third Path
43%inclusion3 decks7 decks
36%synergy
Scrap Trawler
33%inclusion12 decks36 decks
32%synergy
Hexavus
31%inclusion11 decks36 decks
30%synergy
Cryptic Trilobite
31%inclusion11 decks36 decks
30%synergy
Syr Ginger, the Meal Ender
31%inclusion11 decks36 decks
30%synergy
Foundry Inspector
31%inclusion11 decks36 decks
26%synergy
Ingenious Artillerist
30%inclusion3 decks10 decks
28%synergy
Iron Myr
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27%synergy
Reckless Fireweaver
30%inclusion3 decks10 decks
26%synergy
Thopter Squadron
28%inclusion10 decks36 decks
28%synergy
Hangarback Walker
28%inclusion10 decks36 decks
27%synergy
Liberator, Urza's Battlethopter
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27%synergy
Jhoira's Familiar
28%inclusion10 decks36 decks
26%synergy
Steel Overseer
28%inclusion10 decks36 decks
26%synergy
Iron Spider, Stark Upgrade
27%inclusion6 decks22 decks
27%synergy
Razaketh, the Foulblooded
27%inclusion3 decks11 decks
26%synergy
Mikaeus, the Unhallowed
27%inclusion3 decks11 decks
25%synergy
K'rrik, Son of Yawgmoth
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25%synergy
Sheoldred, Whispering One
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23%synergy
Gray Merchant of Asphodel
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19%synergy
Arcbound Worker
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Marketback Walker
25%inclusion8 decks32 decks
25%synergy
Solemn Simulacrum
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13%synergy
Triskelavus
22%inclusion8 decks36 decks
22%synergy
Patchwork Automaton
22%inclusion8 decks36 decks
22%synergy
Workshop Assistant
22%inclusion8 decks36 decks
22%synergy
Threefold Thunderhulk
22%inclusion8 decks36 decks
21%synergy
Myr Retriever
22%inclusion8 decks36 decks
21%synergy
Ornithopter of Paradise
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18%synergy
Towashi Guide-Bot
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19%synergy
Junk Diver
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19%synergy
Stonecoil Serpent
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Cathodion
17%inclusion6 decks36 decks
17%synergy
Voltaic Construct
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17%synergy
Glaring Fleshraker
17%inclusion6 decks36 decks
15%synergy
Wurmcoil Engine
17%inclusion6 decks36 decks
15%synergy
Tatterkite
14%inclusion5 decks36 decks
14%synergy
Myr Battlesphere
14%inclusion5 decks36 decks
12%synergy
Surge Conductor
14%inclusion3 decks22 decks
13%synergy
Ultima, Origin of Oblivion
12%inclusion3 decks25 decks
11%synergy
Arcbound Overseer
11%inclusion4 decks36 decks
11%synergy
Drillworks Mole
11%inclusion4 decks36 decks
11%synergy
Arcbound Slith
11%inclusion4 decks36 decks
11%synergy
Arcbound Stinger
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11%synergy
Iron Apprentice
11%inclusion4 decks36 decks
11%synergy
Instants
Swords to Plowshares
43%inclusion3 decks7 decks
-18%synergy
Deflecting Swat
30%inclusion3 decks10 decks
13%synergy
Village Rites
27%inclusion3 decks11 decks
18%synergy
Deadly Rollick
27%inclusion3 decks11 decks
13%synergy
Null Elemental Blast
19%inclusion7 decks36 decks
18%synergy
Warping Wail
14%inclusion5 decks36 decks
13%synergy
Eldritch Immunity
14%inclusion5 decks36 decks
13%synergy
Not of This World
8.3%inclusion3 decks36 decks
8%synergy
Sorceries
Torment of Hailfire
27%inclusion3 decks11 decks
23%synergy
Buried Alive
27%inclusion3 decks11 decks
21%synergy
Damnation
27%inclusion3 decks11 decks
21%synergy
Diabolic Intent
27%inclusion3 decks11 decks
20%synergy
Reanimate
27%inclusion3 decks11 decks
8%synergy
All Is Dust
22%inclusion8 decks36 decks
21%synergy
Gruesome Slaughter
8.3%inclusion3 decks36 decks
8%synergy
Utility Artifacts
Mystic Forge
33%inclusion12 decks36 decks
30%synergy
Animation Module
31%inclusion11 decks36 decks
30%synergy
Nim Deathmantle
31%inclusion11 decks36 decks
30%synergy
Blasting Station
28%inclusion10 decks36 decks
27%synergy
Forsaken Monument
28%inclusion10 decks36 decks
26%synergy
The Ozolith
28%inclusion10 decks36 decks
24%synergy
Wishclaw Talisman
27%inclusion3 decks11 decks
22%synergy
Sculpting Steel
25%inclusion9 decks36 decks
23%synergy
Phyrexian Altar
25%inclusion9 decks36 decks
21%synergy
Blade of the Bloodchief
22%inclusion8 decks36 decks
22%synergy
Salvaging Station
19%inclusion7 decks36 decks
19%synergy
Throne of Geth
19%inclusion7 decks36 decks
19%synergy
Rings of Brighthearth
19%inclusion7 decks36 decks
18%synergy
Tarrian's Soulcleaver
19%inclusion7 decks36 decks
18%synergy
Altar of Dementia
19%inclusion7 decks36 decks
17%synergy
Unwinding Clock
19%inclusion7 decks36 decks
17%synergy
Sensei's Divining Top
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15%synergy
Swiftfoot Boots
19%inclusion7 decks36 decks
-7%synergy
Moxite Refinery
18%inclusion4 decks22 decks
18%synergy
Prototype Portal
17%inclusion6 decks36 decks
17%synergy
Liquimetal Coating
17%inclusion6 decks36 decks
16%synergy
Cloud Key
17%inclusion6 decks36 decks
15%synergy
Voltaic Key
14%inclusion5 decks36 decks
13%synergy
Moonsilver Key
14%inclusion5 decks36 decks
13%synergy
Agatha's Soul Cauldron
14%inclusion5 decks36 decks
13%synergy
Mirage Mirror
14%inclusion5 decks36 decks
13%synergy
Aetherflux Reservoir
14%inclusion5 decks36 decks
11%synergy
Wayfarer's Bauble
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7%synergy
Lightning Greaves
14%inclusion5 decks36 decks
-11%synergy
Culling Dais
11%inclusion4 decks36 decks
11%synergy
Myr Turbine
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11%synergy
Golden Argosy
11%inclusion4 decks36 decks
11%synergy
Thornbite Staff
11%inclusion4 decks36 decks
10%synergy
Mind's Eye
11%inclusion4 decks36 decks
10%synergy
Grinding Station
11%inclusion4 decks36 decks
10%synergy
Trading Post
11%inclusion4 decks36 decks
10%synergy
Staff of Domination
11%inclusion4 decks36 decks
10%synergy
Manifold Key
11%inclusion4 decks36 decks
10%synergy
Chimil, the Inner Sun
11%inclusion4 decks36 decks
9%synergy
Maskwood Nexus
11%inclusion4 decks36 decks
8%synergy
Helm of the Host
11%inclusion4 decks36 decks
8%synergy
Ashnod's Transmogrant
8.3%inclusion3 decks36 decks
8%synergy
Flayer Husk
8.3%inclusion3 decks36 decks
8%synergy
Summoning Station
8.3%inclusion3 decks36 decks
8%synergy
Magistrate's Scepter
8.3%inclusion3 decks36 decks
8%synergy
Power Conduit
8.3%inclusion3 decks36 decks
8%synergy
Mirrorworks
8.3%inclusion3 decks36 decks
8%synergy
Spine of Ish Sah
8.3%inclusion3 decks36 decks
8%synergy
Semblance Anvil
8.3%inclusion3 decks36 decks
8%synergy
Mycosynth Lattice
8.3%inclusion3 decks36 decks
8%synergy
Enchantments
Goblin Bombardment
30%inclusion3 decks10 decks
24%synergy
Echoes of Eternity
25%inclusion9 decks36 decks
24%synergy
Ugin's Mastery
8.3%inclusion3 decks36 decks
8%synergy
Planeswalkers
Ugin, the Ineffable
25%inclusion9 decks36 decks
24%synergy
Karn, the Great Creator
8.3%inclusion3 decks36 decks
8%synergy
Artifacts
Sol Ring
75%inclusion27 decks36 decks
-8%synergy
Liquimetal Torque
42%inclusion15 decks36 decks
39%synergy
Thran Dynamo
42%inclusion15 decks36 decks
37%synergy
Mystic Forge
33%inclusion12 decks36 decks
30%synergy
Everflowing Chalice
33%inclusion12 decks36 decks
29%synergy
Animation Module
31%inclusion11 decks36 decks
30%synergy
Nim Deathmantle
31%inclusion11 decks36 decks
30%synergy
Basalt Monolith
31%inclusion11 decks36 decks
28%synergy
Blasting Station
28%inclusion10 decks36 decks
27%synergy
Forsaken Monument
28%inclusion10 decks36 decks
26%synergy
The Ozolith
28%inclusion10 decks36 decks
24%synergy
Wishclaw Talisman
27%inclusion3 decks11 decks
22%synergy
Dreamstone Hedron
25%inclusion9 decks36 decks
24%synergy
Sculpting Steel
25%inclusion9 decks36 decks
23%synergy
Gilded Lotus
25%inclusion9 decks36 decks
22%synergy
Phyrexian Altar
25%inclusion9 decks36 decks
21%synergy
Mind Stone
25%inclusion9 decks36 decks
11%synergy
Blade of the Bloodchief
22%inclusion8 decks36 decks
22%synergy
Salvaging Station
19%inclusion7 decks36 decks
19%synergy
Throne of Geth
19%inclusion7 decks36 decks
19%synergy
Rings of Brighthearth
19%inclusion7 decks36 decks
18%synergy
Tarrian's Soulcleaver
19%inclusion7 decks36 decks
18%synergy
Altar of Dementia
19%inclusion7 decks36 decks
17%synergy
Unwinding Clock
19%inclusion7 decks36 decks
17%synergy
Sensei's Divining Top
19%inclusion7 decks36 decks
15%synergy
Swiftfoot Boots
19%inclusion7 decks36 decks
-7%synergy
Arcane Signet
19%inclusion7 decks36 decks
-53%synergy
Moxite Refinery
18%inclusion4 decks22 decks
18%synergy
Prototype Portal
17%inclusion6 decks36 decks
17%synergy
Liquimetal Coating
17%inclusion6 decks36 decks
16%synergy
Cloud Key
17%inclusion6 decks36 decks
15%synergy
Thought Vessel
17%inclusion6 decks36 decks
-0%synergy
Voltaic Key
14%inclusion5 decks36 decks
13%synergy
Moonsilver Key
14%inclusion5 decks36 decks
13%synergy
Agatha's Soul Cauldron
14%inclusion5 decks36 decks
13%synergy
Mirage Mirror
14%inclusion5 decks36 decks
13%synergy
Worn Powerstone
14%inclusion5 decks36 decks
12%synergy
Hedron Archive
14%inclusion5 decks36 decks
11%synergy
Aetherflux Reservoir
14%inclusion5 decks36 decks
11%synergy
Wayfarer's Bauble
14%inclusion5 decks36 decks
7%synergy
Lightning Greaves
14%inclusion5 decks36 decks
-11%synergy
Culling Dais
11%inclusion4 decks36 decks
11%synergy
Myr Turbine
11%inclusion4 decks36 decks
11%synergy
Golden Argosy
11%inclusion4 decks36 decks
11%synergy
Thornbite Staff
11%inclusion4 decks36 decks
10%synergy
Mind's Eye
11%inclusion4 decks36 decks
10%synergy
Grinding Station
11%inclusion4 decks36 decks
10%synergy
Trading Post
11%inclusion4 decks36 decks
10%synergy
Staff of Compleation
11%inclusion4 decks36 decks
10%synergy
Staff of Domination
11%inclusion4 decks36 decks
10%synergy
Utility Lands
Phyrexian Tower
45%inclusion5 decks11 decks
36%synergy
Cabal Coffers
45%inclusion5 decks11 decks
36%synergy
Karn's Bastion
44%inclusion16 decks36 decks
40%synergy
War Room
44%inclusion16 decks36 decks
39%synergy
Reliquary Tower
39%inclusion14 decks36 decks
9%synergy
Barren Moor
36%inclusion4 decks11 decks
33%synergy
Witch's Cottage
36%inclusion4 decks11 decks
33%synergy
Mortuary Mire
36%inclusion4 decks11 decks
32%synergy
Darksteel Citadel
36%inclusion13 decks36 decks
32%synergy
Urza's Saga
36%inclusion13 decks36 decks
29%synergy
Nesting Grounds
33%inclusion12 decks36 decks
31%synergy
Rogue's Passage
33%inclusion12 decks36 decks
13%synergy
Shrine of the Forsaken Gods
31%inclusion11 decks36 decks
29%synergy
Urza's Power Plant
28%inclusion10 decks36 decks
26%synergy
Urza's Mine
28%inclusion10 decks36 decks
26%synergy
Urza's Tower
28%inclusion10 decks36 decks
26%synergy
Bonders' Enclave
28%inclusion10 decks36 decks
25%synergy
Cabal Stronghold
27%inclusion3 decks11 decks
24%synergy
Vault of Whispers
27%inclusion3 decks11 decks
23%synergy
Bojuka Bog
27%inclusion3 decks11 decks
-3%synergy
Inventors' Fair
25%inclusion9 decks36 decks
21%synergy
Drannith Ruins
22%inclusion8 decks36 decks
22%synergy
Tomb of the Spirit Dragon
22%inclusion8 decks36 decks
21%synergy
Scavenger Grounds
22%inclusion8 decks36 decks
19%synergy
Command Beacon
22%inclusion8 decks36 decks
17%synergy
Temple of the False God
22%inclusion8 decks36 decks
13%synergy
Urza's Workshop
19%inclusion7 decks36 decks
19%synergy
Guildless Commons
19%inclusion7 decks36 decks
18%synergy
Geier Reach Sanitarium
19%inclusion7 decks36 decks
17%synergy
Zhalfirin Void
17%inclusion6 decks36 decks
16%synergy
Tyrite Sanctum
17%inclusion6 decks36 decks
15%synergy
Treasure Vault
17%inclusion6 decks36 decks
14%synergy
Crawling Barrens
14%inclusion5 decks36 decks
14%synergy
Urza's Factory
14%inclusion5 decks36 decks
14%synergy
Blast Zone
14%inclusion5 decks36 decks
13%synergy
Arcane Lighthouse
14%inclusion5 decks36 decks
12%synergy
Thespian's Stage
14%inclusion5 decks36 decks
12%synergy
Emergence Zone
14%inclusion5 decks36 decks
11%synergy
Ruins of Oran-Rief
11%inclusion4 decks36 decks
11%synergy
Blasted Landscape
11%inclusion4 decks36 decks
11%synergy
Arch of Orazca
11%inclusion4 decks36 decks
10%synergy
Forge of Heroes
11%inclusion4 decks36 decks
10%synergy
Deserted Temple
11%inclusion4 decks36 decks
10%synergy
Homeward Path
11%inclusion4 decks36 decks
10%synergy
High Market
11%inclusion4 decks36 decks
8%synergy
Sequestered Stash
8.3%inclusion3 decks36 decks
8%synergy
Mage-Ring Network
8.3%inclusion3 decks36 decks
8%synergy
Mirrorpool
8.3%inclusion3 decks36 decks
8%synergy
Inkmoth Nexus
8.3%inclusion3 decks36 decks
8%synergy
Mikokoro, Center of the Sea
8.3%inclusion3 decks36 decks
7%synergy
Mana Artifacts
Sol Ring
75%inclusion27 decks36 decks
-8%synergy
Liquimetal Torque
42%inclusion15 decks36 decks
39%synergy
Thran Dynamo
42%inclusion15 decks36 decks
37%synergy
Everflowing Chalice
33%inclusion12 decks36 decks
29%synergy
Basalt Monolith
31%inclusion11 decks36 decks
28%synergy
Dreamstone Hedron
25%inclusion9 decks36 decks
24%synergy
Gilded Lotus
25%inclusion9 decks36 decks
22%synergy
Mind Stone
25%inclusion9 decks36 decks
11%synergy
Arcane Signet
19%inclusion7 decks36 decks
-53%synergy
Thought Vessel
17%inclusion6 decks36 decks
-0%synergy
Worn Powerstone
14%inclusion5 decks36 decks
12%synergy
Hedron Archive
14%inclusion5 decks36 decks
11%synergy
Staff of Compleation
11%inclusion4 decks36 decks
10%synergy
Mox Opal
11%inclusion4 decks36 decks
7%synergy
Lotus Petal
11%inclusion4 decks36 decks
4%synergy
Blinkmoth Urn
8.3%inclusion3 decks36 decks
8%synergy
Empowered Autogenerator
8.3%inclusion3 decks36 decks
8%synergy
Coveted Jewel
8.3%inclusion3 decks36 decks
7%synergy
Chromatic Orrery
8.3%inclusion3 decks36 decks
7%synergy
Mox Amber
8.3%inclusion3 decks36 decks
4%synergy
Lands
Urza's Cave
28%inclusion10 decks36 decks
25%synergy
Command Tower
28%inclusion10 decks36 decks
-46%synergy
The Mycosynth Gardens
17%inclusion6 decks36 decks
15%synergy
Demolition Field
14%inclusion5 decks36 decks
11%synergy
Myriad Landscape
14%inclusion5 decks36 decks
-1%synergy
Cavern of Souls
11%inclusion4 decks36 decks
4%synergy
Abstergo Entertainment
8.3%inclusion3 decks36 decks
8%synergy
Exotic Orchard
8.3%inclusion3 decks36 decks
-28%synergy