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
0.4%inclusion9 decks2.40K decks
Mikaeus, the Unhallowed
0.2%inclusion3 decks1.85K decks
Zenos yae Galvus
0.1%inclusion2 decks2.79K decks
Preston, the Vanisher
0.1%inclusion2 decks2.98K decks
Magda, Brazen Outlaw
0.0%inclusion2 decks15.3K decks
Celes, Rune Knight
0.0%inclusion1 decks7.66K decks
Herigast, Erupting Nullkite
0.0%inclusion1 decks4.44K decks
Kokusho, the Evening Star
0.1%inclusion1 decks1.25K decks
Armix, Filigree Thrasher // Rebbec, Architect of Ascension
0.7%inclusion1 decks135 decks
Blaster, Combat DJ
0.1%inclusion1 decks670 decks
Shirei, Shizo's Caretaker
0.0%inclusion1 decks6.81K decks
Zabaz, the Glimmerwasp
0.0%inclusion1 decks2.94K decks
Marvin, Murderous Mimic
0.1%inclusion1 decks1.63K decks
Weatherlight Compleated
0.3%inclusion1 decks335 decks
Mazirek, Kraul Death Priest
0.0%inclusion1 decks2.92K decks
Bane, Lord of Darkness
0.0%inclusion1 decks2.31K decks
Tromell, Seymour's Butler
0.4%inclusion1 decks278 decks
Iron Spider, Stark Upgrade
0.1%inclusion1 decks1.34K decks
High Synergy Cards
Ashnod's Altar
78%inclusion29 decks37 decks
72%synergy
Triskelion
68%inclusion25 decks37 decks
67%synergy
Oswald Fiddlebender
67%inclusion4 decks6 decks
65%synergy
Walking Ballista
57%inclusion21 decks37 decks
54%synergy
Viscera Seer
62%inclusion8 decks13 decks
53%synergy
Arcbound Reclaimer
46%inclusion17 decks37 decks
46%synergy
Phyrexian Tower
54%inclusion7 decks13 decks
45%synergy
Krark-Clan Ironworks
46%inclusion17 decks37 decks
45%synergy
Cabal Coffers
54%inclusion7 decks13 decks
44%synergy
Pentavus
43%inclusion16 decks37 decks
43%synergy
Top Cards
Dark Ritual
54%inclusion7 decks13 decks
29%synergy
Cryptic Trilobite
41%inclusion15 decks37 decks
40%synergy
Palladium Myr
41%inclusion15 decks37 decks
39%synergy
Diabolic Intent
38%inclusion5 decks13 decks
31%synergy
Gray Merchant of Asphodel
38%inclusion5 decks13 decks
30%synergy
Village Rites
38%inclusion5 decks13 decks
29%synergy
Deadly Dispute
38%inclusion5 decks13 decks
26%synergy
Toxic Deluge
38%inclusion5 decks13 decks
20%synergy
Crystalline Crawler
38%inclusion14 decks37 decks
37%synergy
Arcbound Crusher
35%inclusion13 decks37 decks
35%synergy
Game Changers
Demonic Tutor
69%inclusion9 decks13 decks
50%synergy
Imperial Seal
38%inclusion5 decks13 decks
33%synergy
Bolas's Citadel
38%inclusion5 decks13 decks
30%synergy
Vampiric Tutor
38%inclusion5 decks13 decks
23%synergy
Gamble
38%inclusion3 decks8 decks
29%synergy
Ad Nauseam
23%inclusion3 decks13 decks
21%synergy
Opposition Agent
23%inclusion3 decks13 decks
18%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
48%synergy
Gold Myr
50%inclusion3 decks6 decks
47%synergy
Karmic Guide
50%inclusion3 decks6 decks
47%synergy
Loran of the Third Path
50%inclusion3 decks6 decks
43%synergy
Mindless Automaton
35%inclusion13 decks37 decks
35%synergy
Arcbound Ravager
35%inclusion13 decks37 decks
35%synergy
Scrapyard Recombiner
32%inclusion12 decks37 decks
32%synergy
Syr Ginger, the Meal Ender
32%inclusion12 decks37 decks
32%synergy
K'rrik, Son of Yawgmoth
31%inclusion4 decks13 decks
28%synergy
Mikaeus, the Unhallowed
31%inclusion4 decks13 decks
28%synergy
Yawgmoth, Thran Physician
31%inclusion4 decks13 decks
27%synergy
Ayara, First of Locthwain
31%inclusion4 decks13 decks
27%synergy
Carrion Feeder
31%inclusion4 decks13 decks
26%synergy
Syr Konrad, the Grim
31%inclusion4 decks13 decks
22%synergy
Blood Artist
31%inclusion4 decks13 decks
19%synergy
Hexavus
30%inclusion11 decks37 decks
30%synergy
Hangarback Walker
30%inclusion11 decks37 decks
29%synergy
Steel Overseer
30%inclusion11 decks37 decks
28%synergy
Scrap Trawler
30%inclusion11 decks37 decks
28%synergy
Thopter Squadron
27%inclusion10 decks37 decks
27%synergy
Arcbound Worker
27%inclusion10 decks37 decks
27%synergy
Liberator, Urza's Battlethopter
27%inclusion10 decks37 decks
26%synergy
Foundry Inspector
27%inclusion10 decks37 decks
23%synergy
Solemn Simulacrum
27%inclusion10 decks37 decks
14%synergy
Marketback Walker
27%inclusion8 decks30 decks
26%synergy
Iron Spider, Stark Upgrade
25%inclusion5 decks20 decks
24%synergy
Patchwork Automaton
24%inclusion9 decks37 decks
24%synergy
Chainer, Dementia Master
23%inclusion3 decks13 decks
22%synergy
Putrid Goblin
23%inclusion3 decks13 decks
22%synergy
Puppeteer Clique
23%inclusion3 decks13 decks
22%synergy
Razaketh, the Foulblooded
23%inclusion3 decks13 decks
21%synergy
Grim Haruspex
23%inclusion3 decks13 decks
20%synergy
Sheoldred, Whispering One
23%inclusion3 decks13 decks
19%synergy
Massacre Wurm
23%inclusion3 decks13 decks
18%synergy
Zulaport Cutthroat
23%inclusion3 decks13 decks
15%synergy
Pitiless Plunderer
23%inclusion3 decks13 decks
15%synergy
Triskelavus
22%inclusion8 decks37 decks
22%synergy
Threefold Thunderhulk
22%inclusion8 decks37 decks
21%synergy
Stonecoil Serpent
22%inclusion8 decks37 decks
21%synergy
Jhoira's Familiar
22%inclusion8 decks37 decks
20%synergy
Myr Retriever
22%inclusion8 decks37 decks
20%synergy
Towashi Guide-Bot
19%inclusion7 decks37 decks
19%synergy
Workshop Assistant
19%inclusion7 decks37 decks
18%synergy
Junk Diver
19%inclusion7 decks37 decks
18%synergy
Ornithopter of Paradise
19%inclusion7 decks37 decks
14%synergy
Tatterkite
16%inclusion6 decks37 decks
16%synergy
Cathodion
16%inclusion6 decks37 decks
16%synergy
Wurmcoil Engine
16%inclusion6 decks37 decks
15%synergy
Surge Conductor
15%inclusion3 decks20 decks
14%synergy
Instants
Swords to Plowshares
50%inclusion3 decks6 decks
-11%synergy
Culling the Weak
31%inclusion4 decks13 decks
27%synergy
Cabal Ritual
23%inclusion3 decks13 decks
18%synergy
Entomb
23%inclusion3 decks13 decks
16%synergy
Deadly Rollick
23%inclusion3 decks13 decks
9%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
Damnation
31%inclusion4 decks13 decks
24%synergy
Exsanguinate
31%inclusion4 decks13 decks
24%synergy
All Is Dust
24%inclusion9 decks37 decks
23%synergy
Torment of Hailfire
23%inclusion3 decks13 decks
19%synergy
Buried Alive
23%inclusion3 decks13 decks
17%synergy
Reanimate
23%inclusion3 decks13 decks
4%synergy
Gruesome Slaughter
8.1%inclusion3 decks37 decks
8%synergy
Utility Artifacts
Clock of Omens
35%inclusion13 decks37 decks
34%synergy
Mystic Forge
35%inclusion13 decks37 decks
32%synergy
Animation Module
32%inclusion12 decks37 decks
32%synergy
Blasting Station
32%inclusion12 decks37 decks
32%synergy
The Ozolith
32%inclusion12 decks37 decks
29%synergy
Forsaken Monument
30%inclusion11 decks37 decks
28%synergy
Phyrexian Altar
30%inclusion11 decks37 decks
26%synergy
Nim Deathmantle
27%inclusion10 decks37 decks
27%synergy
Throne of Geth
24%inclusion9 decks37 decks
24%synergy
Wishclaw Talisman
23%inclusion3 decks13 decks
18%synergy
Blade of the Bloodchief
22%inclusion8 decks37 decks
21%synergy
Tarrian's Soulcleaver
22%inclusion8 decks37 decks
20%synergy
Sculpting Steel
22%inclusion8 decks37 decks
20%synergy
Altar of Dementia
22%inclusion8 decks37 decks
19%synergy
Sensei's Divining Top
22%inclusion8 decks37 decks
17%synergy
Moxite Refinery
20%inclusion4 decks20 decks
20%synergy
Salvaging Station
19%inclusion7 decks37 decks
19%synergy
Rings of Brighthearth
19%inclusion7 decks37 decks
18%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
Cloud Key
16%inclusion6 decks37 decks
14%synergy
Aetherflux Reservoir
16%inclusion6 decks37 decks
13%synergy
Culling Dais
14%inclusion5 decks37 decks
13%synergy
Golden Argosy
14%inclusion5 decks37 decks
13%synergy
Mind's Eye
14%inclusion5 decks37 decks
13%synergy
Trading Post
14%inclusion5 decks37 decks
13%synergy
Voltaic Key
14%inclusion5 decks37 decks
13%synergy
Agatha's Soul Cauldron
14%inclusion5 decks37 decks
12%synergy
Mirage Mirror
14%inclusion5 decks37 decks
12%synergy
Grinding Station
11%inclusion4 decks37 decks
10%synergy
Moonsilver Key
11%inclusion4 decks37 decks
10%synergy
Portal to Phyrexia
11%inclusion4 decks37 decks
9%synergy
Manifold Key
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
Summoning Station
8.1%inclusion3 decks37 decks
8%synergy
Flayer Husk
8.1%inclusion3 decks37 decks
8%synergy
Myr Turbine
8.1%inclusion3 decks37 decks
8%synergy
Magistrate's Scepter
8.1%inclusion3 decks37 decks
8%synergy
Power Conduit
8.1%inclusion3 decks37 decks
8%synergy
Thornbite Staff
8.1%inclusion3 decks37 decks
7%synergy
Spine of Ish Sah
8.1%inclusion3 decks37 decks
7%synergy
Semblance Anvil
8.1%inclusion3 decks37 decks
7%synergy
Enchantments
Cathars' Crusade
50%inclusion3 decks6 decks
45%synergy
Goblin Bombardment
38%inclusion3 decks8 decks
32%synergy
Echoes of Eternity
28%inclusion10 decks36 decks
27%synergy
Retribution of the Ancients
23%inclusion3 decks13 decks
23%synergy
Black Market
23%inclusion3 decks13 decks
19%synergy
The Meathook Massacre
23%inclusion3 decks13 decks
18%synergy
Ugin's Mastery
14%inclusion5 decks37 decks
13%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
46%inclusion17 decks37 decks
41%synergy
War Room
46%inclusion17 decks37 decks
40%synergy
Buried Ruin
41%inclusion15 decks37 decks
36%synergy
Urza's Saga
41%inclusion15 decks37 decks
34%synergy
Cabal Stronghold
38%inclusion5 decks13 decks
35%synergy
Vault of Whispers
38%inclusion5 decks13 decks
34%synergy
Reliquary Tower
38%inclusion14 decks37 decks
8%synergy
Nesting Grounds
32%inclusion12 decks37 decks
30%synergy
Darksteel Citadel
32%inclusion12 decks37 decks
29%synergy
Barren Moor
31%inclusion4 decks13 decks
28%synergy
Witch's Cottage
31%inclusion4 decks13 decks
27%synergy
Mortuary Mire
31%inclusion4 decks13 decks
27%synergy
Bojuka Bog
31%inclusion4 decks13 decks
1%synergy
Rogue's Passage
30%inclusion11 decks37 decks
9%synergy
Drannith Ruins
27%inclusion10 decks37 decks
27%synergy
Shrine of the Forsaken Gods
27%inclusion10 decks37 decks
26%synergy
Urza's Power Plant
27%inclusion10 decks37 decks
25%synergy
Urza's Mine
27%inclusion10 decks37 decks
25%synergy
Urza's Tower
27%inclusion10 decks37 decks
25%synergy
Bonders' Enclave
27%inclusion10 decks37 decks
25%synergy
Tomb of the Spirit Dragon
24%inclusion9 decks37 decks
23%synergy
Inventors' Fair
24%inclusion9 decks37 decks
21%synergy
Castle Locthwain
23%inclusion3 decks13 decks
19%synergy
Shizo, Death's Storehouse
23%inclusion3 decks13 decks
19%synergy
Scavenger Grounds
22%inclusion8 decks37 decks
18%synergy
Urza's Workshop
19%inclusion7 decks37 decks
18%synergy
Guildless Commons
19%inclusion7 decks37 decks
18%synergy
Tyrite Sanctum
19%inclusion7 decks37 decks
17%synergy
Geier Reach Sanitarium
19%inclusion7 decks37 decks
16%synergy
Command Beacon
19%inclusion7 decks37 decks
14%synergy
Temple of the False God
19%inclusion7 decks37 decks
10%synergy
Ruins of Oran-Rief
16%inclusion6 decks37 decks
16%synergy
Zhalfirin Void
16%inclusion6 decks37 decks
16%synergy
Blast Zone
16%inclusion6 decks37 decks
15%synergy
Thespian's Stage
16%inclusion6 decks37 decks
14%synergy
High Market
16%inclusion6 decks37 decks
14%synergy
Treasure Vault
16%inclusion6 decks37 decks
14%synergy
Urborg, Tomb of Yawgmoth
16%inclusion6 decks37 decks
7%synergy
Crawling Barrens
14%inclusion5 decks37 decks
13%synergy
Urza's Factory
14%inclusion5 decks37 decks
13%synergy
Deserted Temple
14%inclusion5 decks37 decks
13%synergy
Arcane Lighthouse
14%inclusion5 decks37 decks
12%synergy
Emergence Zone
14%inclusion5 decks37 decks
11%synergy
Blasted Landscape
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
Inkmoth Nexus
11%inclusion4 decks37 decks
10%synergy
Homeward Path
11%inclusion4 decks37 decks
9%synergy
Nykthos, Shrine to Nyx
11%inclusion4 decks37 decks
5%synergy
Mana Artifacts
Sol Ring
81%inclusion30 decks37 decks
-3%synergy
Liquimetal Torque
43%inclusion16 decks37 decks
41%synergy
Thran Dynamo
41%inclusion15 decks37 decks
36%synergy
Everflowing Chalice
35%inclusion13 decks37 decks
31%synergy
Basalt Monolith
30%inclusion11 decks37 decks
27%synergy
Mind Stone
30%inclusion11 decks37 decks
15%synergy
Dreamstone Hedron
22%inclusion8 decks37 decks
21%synergy
Gilded Lotus
22%inclusion8 decks37 decks
19%synergy
Arcane Signet
22%inclusion8 decks37 decks
-51%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
11%synergy
Mox Opal
11%inclusion4 decks37 decks
6%synergy
Lotus Petal
11%inclusion4 decks37 decks
4%synergy
Empowered Autogenerator
8.1%inclusion3 decks37 decks
8%synergy
The Mightstone and Weakstone
8.1%inclusion3 decks37 decks
8%synergy
Coveted Jewel
8.1%inclusion3 decks37 decks
7%synergy
Chromatic Orrery
8.1%inclusion3 decks37 decks
7%synergy
Mox Amber
8.1%inclusion3 decks37 decks
4%synergy
Lands
Urza's Cave
28%inclusion10 decks36 decks
25%synergy
Command Tower
22%inclusion8 decks37 decks
-53%synergy
The Mycosynth Gardens
16%inclusion6 decks37 decks
15%synergy
Myriad Landscape
16%inclusion6 decks37 decks
0%synergy
Demolition Field
14%inclusion5 decks37 decks
10%synergy
Cavern of Souls
11%inclusion4 decks37 decks
4%synergy
Abstergo Entertainment
8.6%inclusion3 decks35 decks
8%synergy
Power Depot
8.1%inclusion3 decks37 decks
7%synergy
Exotic Orchard
8.1%inclusion3 decks37 decks
-28%synergy