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 decks2.42K decks
Mikaeus, the Unhallowed
0.1%inclusion2 decks1.90K decks
Zenos yae Galvus
0.1%inclusion2 decks2.91K decks
Preston, the Vanisher
0.1%inclusion2 decks3.01K decks
Magda, Brazen Outlaw
0.0%inclusion2 decks15.6K decks
Celes, Rune Knight
0.0%inclusion1 decks8.08K decks
Herigast, Erupting Nullkite
0.0%inclusion1 decks4.57K decks
Kokusho, the Evening Star
0.1%inclusion1 decks1.28K decks
Armix, Filigree Thrasher // Rebbec, Architect of Ascension
0.7%inclusion1 decks137 decks
Blaster, Combat DJ
0.1%inclusion1 decks681 decks
Shirei, Shizo's Caretaker
0.0%inclusion1 decks6.91K decks
Zabaz, the Glimmerwasp
0.0%inclusion1 decks3.01K decks
Marvin, Murderous Mimic
0.1%inclusion1 decks1.67K decks
Weatherlight Compleated
0.3%inclusion1 decks350 decks
Mazirek, Kraul Death Priest
0.0%inclusion1 decks2.99K decks
Bane, Lord of Darkness
0.0%inclusion1 decks2.33K decks
Tromell, Seymour's Butler
0.3%inclusion1 decks298 decks
Iron Spider, Stark Upgrade
0.1%inclusion1 decks1.44K decks
High Synergy Cards
Ashnod's Altar
78%inclusion28 decks36 decks
71%synergy
Triskelion
67%inclusion24 decks36 decks
66%synergy
Oswald Fiddlebender
67%inclusion4 decks6 decks
65%synergy
Walking Ballista
56%inclusion20 decks36 decks
53%synergy
Viscera Seer
58%inclusion7 decks12 decks
50%synergy
Krark-Clan Ironworks
47%inclusion17 decks36 decks
46%synergy
Arcbound Reclaimer
44%inclusion16 decks36 decks
44%synergy
Karn's Bastion
47%inclusion17 decks36 decks
43%synergy
Pentavus
42%inclusion15 decks36 decks
42%synergy
War Room
47%inclusion17 decks36 decks
41%synergy
Top Cards
Dark Ritual
50%inclusion6 decks12 decks
26%synergy
Palladium Myr
42%inclusion15 decks36 decks
40%synergy
Deadly Dispute
42%inclusion5 decks12 decks
29%synergy
Toxic Deluge
42%inclusion5 decks12 decks
24%synergy
Cryptic Trilobite
39%inclusion14 decks36 decks
39%synergy
Arcbound Crusher
36%inclusion13 decks36 decks
36%synergy
Mindless Automaton
36%inclusion13 decks36 decks
36%synergy
Arcbound Ravager
36%inclusion13 decks36 decks
36%synergy
Crystalline Crawler
36%inclusion13 decks36 decks
36%synergy
Clock of Omens
36%inclusion13 decks36 decks
35%synergy
Game Changers
Demonic Tutor
75%inclusion9 decks12 decks
56%synergy
Imperial Seal
42%inclusion5 decks12 decks
36%synergy
Vampiric Tutor
42%inclusion5 decks12 decks
27%synergy
Gamble
38%inclusion3 decks8 decks
29%synergy
Bolas's Citadel
33%inclusion4 decks12 decks
25%synergy
Ad Nauseam
25%inclusion3 decks12 decks
23%synergy
Opposition Agent
25%inclusion3 decks12 decks
20%synergy
Mana Vault
19%inclusion7 decks36 decks
14%synergy
The One Ring
17%inclusion6 decks36 decks
8%synergy
Ancient Tomb
14%inclusion5 decks36 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
Scrapyard Recombiner
33%inclusion12 decks36 decks
33%synergy
Syr Ginger, the Meal Ender
33%inclusion12 decks36 decks
33%synergy
K'rrik, Son of Yawgmoth
33%inclusion4 decks12 decks
31%synergy
Mikaeus, the Unhallowed
33%inclusion4 decks12 decks
31%synergy
Ayara, First of Locthwain
33%inclusion4 decks12 decks
30%synergy
Yawgmoth, Thran Physician
33%inclusion4 decks12 decks
30%synergy
Gray Merchant of Asphodel
33%inclusion4 decks12 decks
25%synergy
Iron Spider, Stark Upgrade
32%inclusion6 decks19 decks
31%synergy
Hexavus
31%inclusion11 decks36 decks
30%synergy
Hangarback Walker
31%inclusion11 decks36 decks
30%synergy
Steel Overseer
31%inclusion11 decks36 decks
29%synergy
Scrap Trawler
31%inclusion11 decks36 decks
29%synergy
Thopter Squadron
28%inclusion10 decks36 decks
28%synergy
Arcbound Worker
28%inclusion10 decks36 decks
28%synergy
Liberator, Urza's Battlethopter
28%inclusion10 decks36 decks
27%synergy
Foundry Inspector
28%inclusion10 decks36 decks
24%synergy
Marketback Walker
28%inclusion8 decks29 decks
27%synergy
Patchwork Automaton
25%inclusion9 decks36 decks
25%synergy
Chainer, Dementia Master
25%inclusion3 decks12 decks
24%synergy
Razaketh, the Foulblooded
25%inclusion3 decks12 decks
23%synergy
Sheoldred, Whispering One
25%inclusion3 decks12 decks
21%synergy
Carrion Feeder
25%inclusion3 decks12 decks
21%synergy
Massacre Wurm
25%inclusion3 decks12 decks
20%synergy
Syr Konrad, the Grim
25%inclusion3 decks12 decks
17%synergy
Zulaport Cutthroat
25%inclusion3 decks12 decks
17%synergy
Blood Artist
25%inclusion3 decks12 decks
14%synergy
Solemn Simulacrum
25%inclusion9 decks36 decks
12%synergy
Triskelavus
22%inclusion8 decks36 decks
22%synergy
Threefold Thunderhulk
22%inclusion8 decks36 decks
21%synergy
Stonecoil Serpent
22%inclusion8 decks36 decks
21%synergy
Jhoira's Familiar
22%inclusion8 decks36 decks
21%synergy
Myr Retriever
22%inclusion8 decks36 decks
21%synergy
Towashi Guide-Bot
19%inclusion7 decks36 decks
19%synergy
Workshop Assistant
19%inclusion7 decks36 decks
19%synergy
Junk Diver
19%inclusion7 decks36 decks
19%synergy
Ornithopter of Paradise
19%inclusion7 decks36 decks
15%synergy
Cathodion
17%inclusion6 decks36 decks
17%synergy
Wurmcoil Engine
17%inclusion6 decks36 decks
15%synergy
Surge Conductor
16%inclusion3 decks19 decks
15%synergy
Glaring Fleshraker
14%inclusion5 decks35 decks
13%synergy
Tatterkite
14%inclusion5 decks36 decks
14%synergy
Drillworks Mole
14%inclusion5 decks36 decks
14%synergy
Arcbound Slith
14%inclusion5 decks36 decks
14%synergy
Voltaic Construct
14%inclusion5 decks36 decks
14%synergy
Arcbound Stinger
14%inclusion5 decks36 decks
14%synergy
Instants
Swords to Plowshares
50%inclusion3 decks6 decks
-11%synergy
Village Rites
33%inclusion4 decks12 decks
24%synergy
Culling the Weak
25%inclusion3 decks12 decks
21%synergy
Entomb
25%inclusion3 decks12 decks
18%synergy
Deadly Rollick
25%inclusion3 decks12 decks
11%synergy
Null Elemental Blast
20%inclusion7 decks35 decks
19%synergy
Warping Wail
17%inclusion6 decks36 decks
16%synergy
Eldritch Immunity
14%inclusion5 decks35 decks
13%synergy
Not of This World
11%inclusion4 decks36 decks
10%synergy
Sorceries
Exsanguinate
33%inclusion4 decks12 decks
27%synergy
Diabolic Intent
33%inclusion4 decks12 decks
26%synergy
All Is Dust
25%inclusion9 decks36 decks
23%synergy
Torment of Hailfire
25%inclusion3 decks12 decks
21%synergy
Buried Alive
25%inclusion3 decks12 decks
19%synergy
Damnation
25%inclusion3 decks12 decks
18%synergy
Reanimate
25%inclusion3 decks12 decks
6%synergy
Gruesome Slaughter
8.3%inclusion3 decks36 decks
8%synergy
Utility Artifacts
Mystic Forge
36%inclusion13 decks36 decks
33%synergy
Animation Module
33%inclusion12 decks36 decks
33%synergy
The Ozolith
33%inclusion12 decks36 decks
30%synergy
Blasting Station
31%inclusion11 decks36 decks
30%synergy
Forsaken Monument
31%inclusion11 decks36 decks
29%synergy
Nim Deathmantle
28%inclusion10 decks36 decks
27%synergy
Phyrexian Altar
28%inclusion10 decks36 decks
24%synergy
Throne of Geth
25%inclusion9 decks36 decks
25%synergy
Wishclaw Talisman
25%inclusion3 decks12 decks
20%synergy
Blade of the Bloodchief
22%inclusion8 decks36 decks
22%synergy
Tarrian's Soulcleaver
22%inclusion8 decks36 decks
21%synergy
Sculpting Steel
22%inclusion8 decks36 decks
20%synergy
Altar of Dementia
22%inclusion8 decks36 decks
20%synergy
Sensei's Divining Top
22%inclusion8 decks36 decks
18%synergy
Moxite Refinery
21%inclusion4 decks19 decks
21%synergy
Salvaging Station
19%inclusion7 decks36 decks
19%synergy
Rings of Brighthearth
19%inclusion7 decks36 decks
18%synergy
Unwinding Clock
19%inclusion7 decks36 decks
17%synergy
Wayfarer's Bauble
19%inclusion7 decks36 decks
12%synergy
Swiftfoot Boots
19%inclusion7 decks36 decks
-8%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
Aetherflux Reservoir
17%inclusion6 decks36 decks
13%synergy
Lightning Greaves
17%inclusion6 decks36 decks
-8%synergy
Culling Dais
14%inclusion5 decks36 decks
14%synergy
Golden Argosy
14%inclusion5 decks36 decks
14%synergy
Mind's Eye
14%inclusion5 decks36 decks
13%synergy
Trading Post
14%inclusion5 decks36 decks
13%synergy
Voltaic 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
Grinding Station
11%inclusion4 decks36 decks
10%synergy
Moonsilver Key
11%inclusion4 decks36 decks
10%synergy
Portal to Phyrexia
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
Skullclamp
11%inclusion4 decks36 decks
0%synergy
Ashnod's Transmogrant
8.3%inclusion3 decks36 decks
8%synergy
Summoning Station
8.3%inclusion3 decks36 decks
8%synergy
Flayer Husk
8.3%inclusion3 decks36 decks
8%synergy
Myr Turbine
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
Thornbite Staff
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
Cathars' Crusade
50%inclusion3 decks6 decks
45%synergy
Goblin Bombardment
38%inclusion3 decks8 decks
32%synergy
Echoes of Eternity
29%inclusion10 decks35 decks
28%synergy
Retribution of the Ancients
25%inclusion3 decks12 decks
25%synergy
Ugin's Mastery
14%inclusion5 decks36 decks
13%synergy
Planeswalkers
Ugin, the Ineffable
28%inclusion10 decks36 decks
26%synergy
Karn, the Great Creator
11%inclusion4 decks36 decks
10%synergy
Ugin, the Spirit Dragon
8.3%inclusion3 decks36 decks
7%synergy
Utility Lands
Phyrexian Tower
50%inclusion6 decks12 decks
41%synergy
Cabal Coffers
50%inclusion6 decks12 decks
40%synergy
Buried Ruin
42%inclusion15 decks36 decks
37%synergy
Urza's Saga
42%inclusion15 decks36 decks
35%synergy
Reliquary Tower
39%inclusion14 decks36 decks
9%synergy
Nesting Grounds
33%inclusion12 decks36 decks
31%synergy
Cabal Stronghold
33%inclusion4 decks12 decks
30%synergy
Barren Moor
33%inclusion4 decks12 decks
30%synergy
Witch's Cottage
33%inclusion4 decks12 decks
30%synergy
Darksteel Citadel
33%inclusion12 decks36 decks
30%synergy
Mortuary Mire
33%inclusion4 decks12 decks
29%synergy
Vault of Whispers
33%inclusion4 decks12 decks
29%synergy
Bojuka Bog
33%inclusion4 decks12 decks
4%synergy
Rogue's Passage
31%inclusion11 decks36 decks
10%synergy
Drannith Ruins
28%inclusion10 decks36 decks
27%synergy
Shrine of the Forsaken Gods
28%inclusion10 decks36 decks
26%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
Tomb of the Spirit Dragon
25%inclusion9 decks36 decks
24%synergy
Inventors' Fair
25%inclusion9 decks36 decks
21%synergy
Castle Locthwain
25%inclusion3 decks12 decks
21%synergy
Shizo, Death's Storehouse
25%inclusion3 decks12 decks
21%synergy
Scavenger Grounds
22%inclusion8 decks36 decks
19%synergy
Urza's Workshop
19%inclusion7 decks36 decks
19%synergy
Tyrite Sanctum
19%inclusion7 decks36 decks
18%synergy
Geier Reach Sanitarium
19%inclusion7 decks36 decks
16%synergy
Command Beacon
19%inclusion7 decks36 decks
15%synergy
Temple of the False God
19%inclusion7 decks36 decks
10%synergy
Ruins of Oran-Rief
17%inclusion6 decks36 decks
16%synergy
Zhalfirin Void
17%inclusion6 decks36 decks
16%synergy
Blast Zone
17%inclusion6 decks36 decks
16%synergy
Guildless Commons
17%inclusion6 decks36 decks
15%synergy
Thespian's Stage
17%inclusion6 decks36 decks
14%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
Arcane Lighthouse
14%inclusion5 decks36 decks
13%synergy
Emergence Zone
14%inclusion5 decks36 decks
11%synergy
High Market
14%inclusion5 decks36 decks
11%synergy
Urborg, Tomb of Yawgmoth
14%inclusion5 decks36 decks
5%synergy
Blasted Landscape
11%inclusion4 decks36 decks
11%synergy
Mage-Ring Network
11%inclusion4 decks36 decks
11%synergy
Arch of Orazca
11%inclusion4 decks36 decks
10%synergy
Forge of Heroes
11%inclusion4 decks36 decks
10%synergy
Inkmoth Nexus
11%inclusion4 decks36 decks
10%synergy
Deserted Temple
11%inclusion4 decks36 decks
10%synergy
Homeward Path
11%inclusion4 decks36 decks
10%synergy
Sequestered Stash
8.3%inclusion3 decks36 decks
8%synergy
Mana Artifacts
Sol Ring
81%inclusion29 decks36 decks
-3%synergy
Liquimetal Torque
44%inclusion16 decks36 decks
42%synergy
Thran Dynamo
42%inclusion15 decks36 decks
37%synergy
Everflowing Chalice
36%inclusion13 decks36 decks
32%synergy
Basalt Monolith
31%inclusion11 decks36 decks
28%synergy
Mind Stone
31%inclusion11 decks36 decks
16%synergy
Dreamstone Hedron
22%inclusion8 decks36 decks
21%synergy
Gilded Lotus
22%inclusion8 decks36 decks
19%synergy
Arcane Signet
22%inclusion8 decks36 decks
-50%synergy
Thought Vessel
19%inclusion7 decks36 decks
2%synergy
Worn Powerstone
17%inclusion6 decks36 decks
14%synergy
Hedron Archive
17%inclusion6 decks36 decks
14%synergy
Staff of Compleation
14%inclusion5 decks36 decks
13%synergy
Blinkmoth Urn
11%inclusion4 decks36 decks
11%synergy
Mox Opal
11%inclusion4 decks36 decks
7%synergy
Lotus Petal
11%inclusion4 decks36 decks
4%synergy
Empowered Autogenerator
8.3%inclusion3 decks36 decks
8%synergy
The Mightstone and Weakstone
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
29%inclusion10 decks35 decks
26%synergy
Command Tower
22%inclusion8 decks36 decks
-52%synergy
The Mycosynth Gardens
17%inclusion6 decks36 decks
15%synergy
Demolition Field
14%inclusion5 decks36 decks
11%synergy
Myriad Landscape
14%inclusion5 decks36 decks
-2%synergy
Cavern of Souls
11%inclusion4 decks36 decks
4%synergy
Abstergo Entertainment
8.8%inclusion3 decks34 decks
8%synergy
Power Depot
8.3%inclusion3 decks36 decks
8%synergy
Exotic Orchard
8.3%inclusion3 decks36 decks
-28%synergy