Cauldron of Souls
Dross Scorpion
Extruder

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control another artifact creature with base toughness 2 or greater. Extruder does not have a -1/-1 counter on it.

   Steps

How does this combo work?
1
Activate Cauldron of Souls by tapping it, giving Extruder and the other artifact creature with base toughness 2 or greater persist until end of turn.
2
Activate Extruder by sacrificing it, targeting the other artifact creature.
3
When Extruder dies, its persist ability and Dross Scorpion trigger.
4
Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
5
Resolve the Extruder trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6
Resolve the Extruder ability from step 2, putting a +1/+1 on the targeted creature.
7
Activate Extruder by sacrificing the other artifact creature, targeting Extruder.
8
When the creature dies, its persist ability and Dross Scorpion triggers.
9
Resolve the Dross Scorpion trigger, untapping any artifact you control.
10
Resolve the persist trigger, returning the creature from your graveyard to the battlefield with a -1/-1 counter on it.
11
Resolve the Extruder ability, putting a +1/+1 counter on it.
12
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mana artifacts you control can produce
Infinite untap of artifacts you control
Omarthis, Ghostfire Initiate
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New Cards
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20%synergy
Chrome Dome
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20%synergy
High Synergy Cards
Ashnod's Altar
63%inclusion10 decks16 decks
56%synergy
Inventors' Fair
56%inclusion9 decks16 decks
52%synergy
Pentavus
50%inclusion8 decks16 decks
50%synergy
Arcbound Ravager
50%inclusion8 decks16 decks
50%synergy
Scrap Trawler
50%inclusion8 decks16 decks
48%synergy
Urza's Mine
50%inclusion8 decks16 decks
48%synergy
Urza's Tower
50%inclusion8 decks16 decks
48%synergy
War Room
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44%synergy
Ruins of Oran-Rief
44%inclusion7 decks16 decks
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Triskelion
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43%synergy
Top Cards
Junk Diver
44%inclusion7 decks16 decks
43%synergy
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44%inclusion7 decks16 decks
42%synergy
Steel Overseer
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42%synergy
Walking Ballista
44%inclusion7 decks16 decks
41%synergy
Foundry Inspector
44%inclusion7 decks16 decks
40%synergy
Clock of Omens
38%inclusion6 decks16 decks
37%synergy
Hangarback Walker
38%inclusion6 decks16 decks
36%synergy
Glaring Fleshraker
38%inclusion6 decks16 decks
36%synergy
Ugin, the Ineffable
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All Is Dust
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Game Changers
Mana Vault
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Ancient Tomb
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Creatures
Haywire Mite
75%inclusion3 decks4 decks
71%synergy
Iron Spider, Stark Upgrade
43%inclusion3 decks7 decks
42%synergy
Palladium Myr
38%inclusion6 decks16 decks
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Triskelavus
31%inclusion5 decks16 decks
31%synergy
Towashi Guide-Bot
31%inclusion5 decks16 decks
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Scrapyard Recombiner
31%inclusion5 decks16 decks
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Mindless Automaton
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Liberator, Urza's Battlethopter
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Myr Retriever
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Thopter Squadron
25%inclusion4 decks16 decks
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Farmstead Gleaner
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Myr Moonvessel
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Cathodion
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Scarecrone
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Pili-Pala
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Workshop Assistant
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Jhoira's Familiar
25%inclusion4 decks16 decks
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Solemn Simulacrum
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Marketback Walker
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23%synergy
Tetravus
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Tatterkite
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Drillworks Mole
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Graaz, Unstoppable Juggernaut
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Hexavus
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Patchwork Automaton
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Cryptic Trilobite
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Arcbound Crusher
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18%synergy
Abstruse Archaic
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Crystalline Crawler
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Kuldotha Forgemaster
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Threefold Thunderhulk
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Shimmer Myr
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Instants
Null Elemental Blast
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Warping Wail
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Sorceries
Faithless Looting
50%inclusion3 decks6 decks
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Expanded Anatomy
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Selective Obliteration
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18%synergy
Utility Artifacts
Blasting Station
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31%synergy
Altar of Dementia
31%inclusion5 decks16 decks
29%synergy
Mystic Forge
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Animation Module
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Throne of Geth
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Grinding Station
25%inclusion4 decks16 decks
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Unwinding Clock
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23%synergy
Salvaging Station
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19%synergy
Summoning Station
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Nim Deathmantle
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Trading Post
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Tormod's Crypt
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Contagion Engine
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18%synergy
Moonsilver Key
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Krark-Clan Ironworks
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Rings of Brighthearth
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Mirage Mirror
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Manifold Key
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Staff of Domination
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Cloud Key
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The Ozolith
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Enchantments
Ugin's Mastery
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Echoes of Eternity
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18%synergy
Utility Lands
Tomb of the Spirit Dragon
44%inclusion7 decks16 decks
43%synergy
Shrine of the Forsaken Gods
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42%synergy
Urza's Power Plant
44%inclusion7 decks16 decks
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Buried Ruin
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Temple of the False God
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Phyrexia's Core
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Rogue's Passage
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Sea Gate Wreckage
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Blast Zone
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Scavenger Grounds
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Reliquary Tower
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Drannith Ruins
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Urza's Factory
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Mishra's Factory
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Forge of Heroes
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Ghost Quarter
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Nesting Grounds
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16%synergy
Bonders' Enclave
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Thespian's Stage
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16%synergy
High Market
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16%synergy
Karn's Bastion
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14%synergy
Mana Artifacts
Sol Ring
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4%synergy
Thran Dynamo
56%inclusion9 decks16 decks
52%synergy
Basalt Monolith
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41%synergy
Mind Stone
38%inclusion6 decks16 decks
23%synergy
Arcane Signet
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-41%synergy
Chromatic Sphere
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25%synergy
Chromatic Star
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24%synergy
Sol Talisman
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Dreamstone Hedron
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24%synergy
Worn Powerstone
25%inclusion4 decks16 decks
23%synergy
Gilded Lotus
25%inclusion4 decks16 decks
22%synergy
Thought Vessel
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8%synergy
Coveted Jewel
19%inclusion3 decks16 decks
18%synergy
Hedron Archive
19%inclusion3 decks16 decks
16%synergy
Everflowing Chalice
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15%synergy
Lands
Hall of Tagsin
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25%synergy
The Mycosynth Gardens
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23%synergy
Command Tower
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Urza's Cave
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16%synergy
Demolition Field
19%inclusion3 decks16 decks
16%synergy
Myriad Landscape
19%inclusion3 decks16 decks
3%synergy