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 decks2.42K decks
Mikaeus, the Unhallowed
0.2%inclusion3 decks1.80K decks
Zenos yae Galvus
0.1%inclusion2 decks2.46K decks
Preston, the Vanisher
0.1%inclusion2 decks3.03K decks
Magda, Brazen Outlaw
0.0%inclusion2 decks15K decks
Celes, Rune Knight
0.0%inclusion1 decks6.52K decks
Vorel of the Hull Clade
0.1%inclusion1 decks1.89K decks
Herigast, Erupting Nullkite
0.0%inclusion1 decks4.21K decks
Kokusho, the Evening Star
0.1%inclusion1 decks1.19K decks
Armix, Filigree Thrasher // Rebbec, Architect of Ascension
0.8%inclusion1 decks132 decks
Blaster, Combat DJ
0.1%inclusion1 decks712 decks
Shirei, Shizo's Caretaker
0.0%inclusion1 decks6.69K decks
Gev, Scaled Scorch
0.0%inclusion1 decks9.20K decks
Zabaz, the Glimmerwasp
0.0%inclusion1 decks2.88K decks
Marvin, Murderous Mimic
0.1%inclusion1 decks1.53K decks
Weatherlight Compleated
0.4%inclusion1 decks281 decks
Mazirek, Kraul Death Priest
0.0%inclusion1 decks2.85K decks
Bane, Lord of Darkness
0.0%inclusion1 decks2.30K decks
High Synergy Cards
Ashnod's Altar
76%inclusion28 decks37 decks
69%synergy
Oswald Fiddlebender
67%inclusion4 decks6 decks
65%synergy
Triskelion
65%inclusion24 decks37 decks
64%synergy
Walking Ballista
54%inclusion20 decks37 decks
51%synergy
Viscera Seer
57%inclusion8 decks14 decks
49%synergy
Krark-Clan Ironworks
46%inclusion17 decks37 decks
45%synergy
Arcbound Reclaimer
43%inclusion16 decks37 decks
43%synergy
Phyrexian Tower
50%inclusion7 decks14 decks
41%synergy
Pentavus
41%inclusion15 decks37 decks
40%synergy
Cabal Coffers
50%inclusion7 decks14 decks
40%synergy
Top Cards
Dark Ritual
50%inclusion7 decks14 decks
26%synergy
Palladium Myr
41%inclusion15 decks37 decks
39%synergy
Diabolic Intent
36%inclusion5 decks14 decks
28%synergy
Gray Merchant of Asphodel
36%inclusion5 decks14 decks
27%synergy
Village Rites
36%inclusion5 decks14 decks
26%synergy
Deadly Dispute
36%inclusion5 decks14 decks
24%synergy
Toxic Deluge
36%inclusion5 decks14 decks
17%synergy
Cryptic Trilobite
35%inclusion13 decks37 decks
35%synergy
Arcbound Ravager
35%inclusion13 decks37 decks
35%synergy
Crystalline Crawler
35%inclusion13 decks37 decks
35%synergy
Game Changers
Demonic Tutor
64%inclusion9 decks14 decks
44%synergy
Imperial Seal
36%inclusion5 decks14 decks
30%synergy
Bolas's Citadel
36%inclusion5 decks14 decks
28%synergy
Vampiric Tutor
36%inclusion5 decks14 decks
20%synergy
Gamble
33%inclusion3 decks9 decks
24%synergy
Ad Nauseam
21%inclusion3 decks14 decks
19%synergy
Opposition Agent
21%inclusion3 decks14 decks
16%synergy
Mana Vault
19%inclusion7 decks37 decks
13%synergy
The One Ring
16%inclusion6 decks37 decks
8%synergy
Ancient Tomb
14%inclusion5 decks37 decks
4%synergy
Creatures
Evolution Witness
60%inclusion3 decks5 decks
57%synergy
Losheel, Clockwork Scholar
50%inclusion3 decks6 decks
47%synergy
Gold Myr
50%inclusion3 decks6 decks
47%synergy
Karmic Guide
50%inclusion3 decks6 decks
46%synergy
Loran of the Third Path
50%inclusion3 decks6 decks
43%synergy
Arcbound Crusher
32%inclusion12 decks37 decks
32%synergy
Mindless Automaton
32%inclusion12 decks37 decks
32%synergy
Scrap Trawler
32%inclusion12 decks37 decks
31%synergy
Syr Ginger, the Meal Ender
30%inclusion11 decks37 decks
29%synergy
Putrid Goblin
29%inclusion4 decks14 decks
28%synergy
K'rrik, Son of Yawgmoth
29%inclusion4 decks14 decks
26%synergy
Mikaeus, the Unhallowed
29%inclusion4 decks14 decks
26%synergy
Yawgmoth, Thran Physician
29%inclusion4 decks14 decks
25%synergy
Ayara, First of Locthwain
29%inclusion4 decks14 decks
25%synergy
Carrion Feeder
29%inclusion4 decks14 decks
24%synergy
Syr Konrad, the Grim
29%inclusion4 decks14 decks
20%synergy
Blood Artist
29%inclusion4 decks14 decks
17%synergy
Scrapyard Recombiner
27%inclusion10 decks37 decks
27%synergy
Hangarback Walker
27%inclusion10 decks37 decks
26%synergy
Liberator, Urza's Battlethopter
27%inclusion10 decks37 decks
26%synergy
Solemn Simulacrum
27%inclusion10 decks37 decks
14%synergy
Thopter Squadron
24%inclusion9 decks37 decks
24%synergy
Arcbound Worker
24%inclusion9 decks37 decks
24%synergy
Hexavus
24%inclusion9 decks37 decks
24%synergy
Threefold Thunderhulk
24%inclusion9 decks37 decks
23%synergy
Steel Overseer
24%inclusion9 decks37 decks
23%synergy
Myr Retriever
24%inclusion9 decks37 decks
23%synergy
Foundry Inspector
24%inclusion9 decks37 decks
20%synergy
Marketback Walker
24%inclusion7 decks29 decks
24%synergy
Patchwork Automaton
22%inclusion8 decks37 decks
21%synergy
Workshop Assistant
22%inclusion8 decks37 decks
21%synergy
Junk Diver
22%inclusion8 decks37 decks
21%synergy
Jhoira's Familiar
22%inclusion8 decks37 decks
20%synergy
Chainer, Dementia Master
21%inclusion3 decks14 decks
21%synergy
Puppeteer Clique
21%inclusion3 decks14 decks
20%synergy
Razaketh, the Foulblooded
21%inclusion3 decks14 decks
20%synergy
Grim Haruspex
21%inclusion3 decks14 decks
18%synergy
Sheoldred, Whispering One
21%inclusion3 decks14 decks
17%synergy
Massacre Wurm
21%inclusion3 decks14 decks
16%synergy
Pitiless Plunderer
21%inclusion3 decks14 decks
13%synergy
Zulaport Cutthroat
21%inclusion3 decks14 decks
13%synergy
Iron Spider, Stark Upgrade
21%inclusion4 decks19 decks
20%synergy
Triskelavus
19%inclusion7 decks37 decks
19%synergy
Stonecoil Serpent
19%inclusion7 decks37 decks
18%synergy
Ornithopter of Paradise
19%inclusion7 decks37 decks
14%synergy
Glaring Fleshraker
17%inclusion6 decks36 decks
15%synergy
Tatterkite
16%inclusion6 decks37 decks
16%synergy
Cathodion
16%inclusion6 decks37 decks
16%synergy
Towashi Guide-Bot
16%inclusion6 decks37 decks
16%synergy
Surge Conductor
16%inclusion3 decks19 decks
15%synergy
Instants
Swords to Plowshares
50%inclusion3 decks6 decks
-12%synergy
Culling the Weak
29%inclusion4 decks14 decks
24%synergy
Cabal Ritual
21%inclusion3 decks14 decks
16%synergy
Entomb
21%inclusion3 decks14 decks
14%synergy
Deadly Rollick
21%inclusion3 decks14 decks
8%synergy
Null Elemental Blast
19%inclusion7 decks36 decks
18%synergy
Warping Wail
19%inclusion7 decks37 decks
18%synergy
Eldritch Immunity
14%inclusion5 decks36 decks
13%synergy
Not of This World
11%inclusion4 decks37 decks
10%synergy
Sorceries
Exsanguinate
29%inclusion4 decks14 decks
22%synergy
Damnation
29%inclusion4 decks14 decks
22%synergy
All Is Dust
22%inclusion8 decks37 decks
20%synergy
Torment of Hailfire
21%inclusion3 decks14 decks
17%synergy
Buried Alive
21%inclusion3 decks14 decks
15%synergy
Reanimate
21%inclusion3 decks14 decks
3%synergy
Utility Artifacts
Clock of Omens
35%inclusion13 decks37 decks
34%synergy
Mystic Forge
32%inclusion12 decks37 decks
29%synergy
The Ozolith
32%inclusion12 decks37 decks
29%synergy
Animation Module
30%inclusion11 decks37 decks
29%synergy
Blasting Station
30%inclusion11 decks37 decks
29%synergy
Nim Deathmantle
30%inclusion11 decks37 decks
29%synergy
Forsaken Monument
30%inclusion11 decks37 decks
28%synergy
Phyrexian Altar
27%inclusion10 decks37 decks
23%synergy
Tarrian's Soulcleaver
24%inclusion9 decks37 decks
23%synergy
Sculpting Steel
24%inclusion9 decks37 decks
22%synergy
Throne of Geth
22%inclusion8 decks37 decks
21%synergy
Sensei's Divining Top
22%inclusion8 decks37 decks
17%synergy
Wishclaw Talisman
21%inclusion3 decks14 decks
16%synergy
Salvaging Station
19%inclusion7 decks37 decks
19%synergy
Blade of the Bloodchief
19%inclusion7 decks37 decks
18%synergy
Altar of Dementia
19%inclusion7 decks37 decks
17%synergy
Unwinding Clock
19%inclusion7 decks37 decks
16%synergy
Wayfarer's Bauble
19%inclusion7 decks37 decks
11%synergy
Lightning Greaves
19%inclusion7 decks37 decks
-6%synergy
Swiftfoot Boots
19%inclusion7 decks37 decks
-8%synergy
Prototype Portal
16%inclusion6 decks37 decks
16%synergy
Liquimetal Coating
16%inclusion6 decks37 decks
16%synergy
Rings of Brighthearth
16%inclusion6 decks37 decks
15%synergy
Cloud Key
16%inclusion6 decks37 decks
14%synergy
Culling Dais
14%inclusion5 decks37 decks
13%synergy
Agatha's Soul Cauldron
14%inclusion5 decks37 decks
12%synergy
Aetherflux Reservoir
14%inclusion5 decks37 decks
10%synergy
Golden Argosy
11%inclusion4 decks37 decks
11%synergy
Mind's Eye
11%inclusion4 decks37 decks
10%synergy
Semblance Anvil
11%inclusion4 decks37 decks
10%synergy
Trading Post
11%inclusion4 decks37 decks
10%synergy
Mirage Mirror
11%inclusion4 decks37 decks
9%synergy
Portal to Phyrexia
11%inclusion4 decks37 decks
9%synergy
Staff of Domination
11%inclusion4 decks37 decks
9%synergy
Chimil, the Inner Sun
11%inclusion4 decks37 decks
9%synergy
Maskwood Nexus
11%inclusion4 decks37 decks
8%synergy
Helm of the Host
11%inclusion4 decks37 decks
8%synergy
Skullclamp
11%inclusion4 decks37 decks
0%synergy
Ashnod's Transmogrant
8.1%inclusion3 decks37 decks
8%synergy
Myr Turbine
8.1%inclusion3 decks37 decks
8%synergy
Power Conduit
8.1%inclusion3 decks37 decks
8%synergy
Grinding Station
8.1%inclusion3 decks37 decks
7%synergy
Spine of Ish Sah
8.1%inclusion3 decks37 decks
7%synergy
Mycosynth Lattice
8.1%inclusion3 decks37 decks
7%synergy
Voltaic Key
8.1%inclusion3 decks37 decks
7%synergy
Contagion Engine
8.1%inclusion3 decks37 decks
7%synergy
Lithoform Engine
8.1%inclusion3 decks37 decks
7%synergy
Moonsilver Key
8.1%inclusion3 decks37 decks
7%synergy
Manifold Key
8.1%inclusion3 decks37 decks
7%synergy
Bontu's Monument
8.1%inclusion3 decks37 decks
6%synergy
Enchantments
Cathars' Crusade
50%inclusion3 decks6 decks
45%synergy
Goblin Bombardment
33%inclusion3 decks9 decks
28%synergy
Echoes of Eternity
28%inclusion10 decks36 decks
27%synergy
Retribution of the Ancients
21%inclusion3 decks14 decks
21%synergy
Black Market
21%inclusion3 decks14 decks
17%synergy
The Meathook Massacre
21%inclusion3 decks14 decks
16%synergy
Ugin's Mastery
11%inclusion4 decks37 decks
10%synergy
Planeswalkers
Ugin, the Ineffable
27%inclusion10 decks37 decks
25%synergy
Karn, the Great Creator
11%inclusion4 decks37 decks
10%synergy
Ugin, the Spirit Dragon
8.1%inclusion3 decks37 decks
7%synergy
Utility Lands
Karn's Bastion
43%inclusion16 decks37 decks
39%synergy
War Room
43%inclusion16 decks37 decks
37%synergy
Urza's Saga
38%inclusion14 decks37 decks
31%synergy
Cabal Stronghold
36%inclusion5 decks14 decks
33%synergy
Vault of Whispers
36%inclusion5 decks14 decks
31%synergy
Buried Ruin
35%inclusion13 decks37 decks
30%synergy
Reliquary Tower
35%inclusion13 decks37 decks
5%synergy
Darksteel Citadel
32%inclusion12 decks37 decks
29%synergy
Barren Moor
29%inclusion4 decks14 decks
25%synergy
Witch's Cottage
29%inclusion4 decks14 decks
25%synergy
Mortuary Mire
29%inclusion4 decks14 decks
24%synergy
Bojuka Bog
29%inclusion4 decks14 decks
-1%synergy
Nesting Grounds
27%inclusion10 decks37 decks
25%synergy
Rogue's Passage
27%inclusion10 decks37 decks
7%synergy
Drannith Ruins
24%inclusion9 decks37 decks
24%synergy
Shrine of the Forsaken Gods
24%inclusion9 decks37 decks
23%synergy
Bonders' Enclave
24%inclusion9 decks37 decks
22%synergy
Inventors' Fair
24%inclusion9 decks37 decks
21%synergy
Tomb of the Spirit Dragon
22%inclusion8 decks37 decks
21%synergy
Urza's Power Plant
22%inclusion8 decks37 decks
20%synergy
Urza's Mine
22%inclusion8 decks37 decks
20%synergy
Urza's Tower
22%inclusion8 decks37 decks
20%synergy
Scavenger Grounds
22%inclusion8 decks37 decks
18%synergy
Command Beacon
22%inclusion8 decks37 decks
17%synergy
Castle Locthwain
21%inclusion3 decks14 decks
17%synergy
Shizo, Death's Storehouse
21%inclusion3 decks14 decks
17%synergy
Urza's Workshop
19%inclusion7 decks37 decks
18%synergy
Blast Zone
19%inclusion7 decks37 decks
18%synergy
Guildless Commons
19%inclusion7 decks37 decks
18%synergy
Tyrite Sanctum
19%inclusion7 decks37 decks
17%synergy
Zhalfirin Void
16%inclusion6 decks37 decks
16%synergy
Urborg, Tomb of Yawgmoth
16%inclusion6 decks37 decks
7%synergy
Temple of the False God
16%inclusion6 decks37 decks
7%synergy
Crawling Barrens
14%inclusion5 decks37 decks
13%synergy
Ruins of Oran-Rief
14%inclusion5 decks37 decks
13%synergy
Inkmoth Nexus
14%inclusion5 decks37 decks
13%synergy
Emergence Zone
14%inclusion5 decks37 decks
11%synergy
Thespian's Stage
14%inclusion5 decks37 decks
11%synergy
High Market
14%inclusion5 decks37 decks
11%synergy
Geier Reach Sanitarium
14%inclusion5 decks37 decks
10%synergy
Blasted Landscape
11%inclusion4 decks37 decks
10%synergy
Urza's Factory
11%inclusion4 decks37 decks
10%synergy
Mage-Ring Network
11%inclusion4 decks37 decks
10%synergy
Arch of Orazca
11%inclusion4 decks37 decks
10%synergy
Forge of Heroes
11%inclusion4 decks37 decks
10%synergy
Deserted Temple
11%inclusion4 decks37 decks
10%synergy
Arcane Lighthouse
11%inclusion4 decks37 decks
9%synergy
Homeward Path
11%inclusion4 decks37 decks
9%synergy
Treasure Vault
11%inclusion4 decks37 decks
8%synergy
Nykthos, Shrine to Nyx
11%inclusion4 decks37 decks
5%synergy
Mana Artifacts
Sol Ring
81%inclusion30 decks37 decks
-3%synergy
Thran Dynamo
43%inclusion16 decks37 decks
39%synergy
Liquimetal Torque
41%inclusion15 decks37 decks
38%synergy
Everflowing Chalice
32%inclusion12 decks37 decks
28%synergy
Basalt Monolith
30%inclusion11 decks37 decks
27%synergy
Mind Stone
30%inclusion11 decks37 decks
15%synergy
Gilded Lotus
24%inclusion9 decks37 decks
21%synergy
Arcane Signet
22%inclusion8 decks37 decks
-51%synergy
Dreamstone Hedron
19%inclusion7 decks37 decks
18%synergy
Thought Vessel
19%inclusion7 decks37 decks
1%synergy
Worn Powerstone
16%inclusion6 decks37 decks
14%synergy
Hedron Archive
16%inclusion6 decks37 decks
14%synergy
Staff of Compleation
14%inclusion5 decks37 decks
12%synergy
Blinkmoth Urn
11%inclusion4 decks37 decks
10%synergy
Empowered Autogenerator
11%inclusion4 decks37 decks
10%synergy
Coveted Jewel
11%inclusion4 decks37 decks
10%synergy
Lotus Petal
11%inclusion4 decks37 decks
4%synergy
The Mightstone and Weakstone
8.1%inclusion3 decks37 decks
7%synergy
Chromatic Orrery
8.1%inclusion3 decks37 decks
7%synergy
Mox Opal
8.1%inclusion3 decks37 decks
4%synergy
Mox Amber
8.1%inclusion3 decks37 decks
4%synergy
Lands
Command Tower
24%inclusion9 decks37 decks
-50%synergy
Urza's Cave
22%inclusion8 decks36 decks
19%synergy
Myriad Landscape
16%inclusion6 decks37 decks
0%synergy
The Mycosynth Gardens
14%inclusion5 decks37 decks
12%synergy
Demolition Field
14%inclusion5 decks37 decks
10%synergy
Cavern of Souls
11%inclusion4 decks37 decks
4%synergy
Exotic Orchard
8.1%inclusion3 decks37 decks
-28%synergy