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
Ultron, Artificial Malevolence
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High Synergy Cards
Urza's Mine
56%inclusion10 decks18 decks
54%synergy
Urza's Tower
56%inclusion10 decks18 decks
54%synergy
Inventors' Fair
56%inclusion10 decks18 decks
52%synergy
Ashnod's Altar
56%inclusion10 decks18 decks
49%synergy
Scrap Trawler
50%inclusion9 decks18 decks
48%synergy
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50%inclusion9 decks18 decks
48%synergy
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44%inclusion8 decks18 decks
44%synergy
War Room
50%inclusion9 decks18 decks
44%synergy
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44%inclusion8 decks18 decks
44%synergy
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44%synergy
Top Cards
Arcbound Ravager
44%inclusion8 decks18 decks
44%synergy
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44%inclusion4 decks9 decks
44%synergy
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44%inclusion8 decks18 decks
43%synergy
Walking Ballista
44%inclusion8 decks18 decks
42%synergy
Junk Diver
39%inclusion7 decks18 decks
38%synergy
Clock of Omens
39%inclusion7 decks18 decks
38%synergy
Forsaken Monument
39%inclusion7 decks18 decks
37%synergy
Foundry Inspector
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35%synergy
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33%synergy
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Game Changers
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Creatures
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71%synergy
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32%synergy
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Palladium Myr
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28%synergy
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Towashi Guide-Bot
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28%synergy
Arcbound Crusher
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28%synergy
Workshop Assistant
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27%synergy
Liberator, Urza's Battlethopter
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Solemn Simulacrum
28%inclusion5 decks18 decks
16%synergy
Tetravus
22%inclusion4 decks18 decks
22%synergy
Thopter Squadron
22%inclusion4 decks18 decks
22%synergy
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22%synergy
Myr Moonvessel
22%inclusion4 decks18 decks
22%synergy
Scarecrone
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22%synergy
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22%synergy
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22%inclusion4 decks18 decks
22%synergy
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21%synergy
Marketback Walker
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20%synergy
Spincrusher
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17%synergy
Tatterkite
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17%synergy
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17%inclusion3 decks18 decks
17%synergy
Drillworks Mole
17%inclusion3 decks18 decks
17%synergy
Voltaic Construct
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17%synergy
Hexavus
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16%synergy
Arcbound Worker
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16%synergy
Arcbound Reclaimer
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16%synergy
Patchwork Automaton
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16%synergy
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16%synergy
Filigree Familiar
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16%synergy
Abstruse Archaic
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16%synergy
Mycosynth Golem
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16%synergy
Crystalline Crawler
17%inclusion3 decks18 decks
16%synergy
Chief of the Foundry
17%inclusion3 decks18 decks
16%synergy
Cryptothrall
17%inclusion3 decks18 decks
16%synergy
Threefold Thunderhulk
17%inclusion3 decks18 decks
16%synergy
Burnished Hart
17%inclusion3 decks18 decks
14%synergy
Instants
Warping Wail
22%inclusion4 decks18 decks
21%synergy
Null Elemental Blast
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21%synergy
Scour from Existence
17%inclusion3 decks18 decks
16%synergy
Sorceries
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34%synergy
All Is Dust
33%inclusion6 decks18 decks
32%synergy
Expanded Anatomy
22%inclusion4 decks18 decks
22%synergy
Selective Obliteration
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16%synergy
Utility Artifacts
Throne of Geth
33%inclusion6 decks18 decks
33%synergy
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33%synergy
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28%inclusion5 decks18 decks
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25%synergy
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28%inclusion5 decks18 decks
25%synergy
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22%synergy
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21%synergy
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21%synergy
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22%inclusion4 decks18 decks
21%synergy
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20%synergy
Salvaging Station
17%inclusion3 decks18 decks
17%synergy
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17%synergy
Nim Deathmantle
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16%synergy
Spellbook
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16%synergy
Tormod's Crypt
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16%synergy
Contagion Engine
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16%synergy
Moonsilver Key
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16%synergy
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16%synergy
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15%synergy
Cloud Key
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15%synergy
The Ozolith
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13%synergy
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-10%synergy
Enchantments
Ugin's Mastery
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Echoes of Eternity
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Planeswalkers
Ugin, the Ineffable
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32%synergy
Artifacts
Sol Ring
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5%synergy
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50%inclusion9 decks18 decks
45%synergy
Basalt Monolith
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37%synergy
Mind Stone
39%inclusion7 decks18 decks
25%synergy
Throne of Geth
33%inclusion6 decks18 decks
33%synergy
Blasting Station
33%inclusion6 decks18 decks
33%synergy
Sol Talisman
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27%synergy
Altar of Dementia
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26%synergy
Worn Powerstone
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25%synergy
Unwinding Clock
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25%synergy
Mystic Forge
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25%synergy
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24%synergy
Arcane Signet
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-44%synergy
Chromatic Sphere
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22%synergy
Animation Module
22%inclusion4 decks18 decks
22%synergy
Chromatic Star
22%inclusion4 decks18 decks
22%synergy
Grinding Station
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21%synergy
Trading Post
22%inclusion4 decks18 decks
21%synergy
Dreamstone Hedron
22%inclusion4 decks18 decks
21%synergy
Krark-Clan Ironworks
22%inclusion4 decks18 decks
21%synergy
Gilded Lotus
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19%synergy
Thought Vessel
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Radiant Lotus
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20%synergy
Salvaging Station
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17%synergy
Summoning Station
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17%synergy
Nim Deathmantle
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16%synergy
Spellbook
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16%synergy
Tormod's Crypt
17%inclusion3 decks18 decks
16%synergy
Contagion Engine
17%inclusion3 decks18 decks
16%synergy
Moonsilver Key
17%inclusion3 decks18 decks
16%synergy
Darksteel Forge
17%inclusion3 decks18 decks
16%synergy
Contagion Clasp
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16%synergy
Rings of Brighthearth
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16%synergy
Agatha's Soul Cauldron
17%inclusion3 decks18 decks
16%synergy
Coveted Jewel
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15%synergy
Mirage Mirror
17%inclusion3 decks18 decks
15%synergy
Staff of Domination
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15%synergy
Manifold Key
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15%synergy
Cloud Key
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15%synergy
Hedron Archive
17%inclusion3 decks18 decks
14%synergy
Liquimetal Torque
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14%synergy
The Ozolith
17%inclusion3 decks18 decks
13%synergy
Swiftfoot Boots
17%inclusion3 decks18 decks
-10%synergy
Utility Lands
Tomb of the Spirit Dragon
44%inclusion8 decks18 decks
44%synergy
Shrine of the Forsaken Gods
44%inclusion8 decks18 decks
43%synergy
Temple of the False God
44%inclusion8 decks18 decks
36%synergy
Buried Ruin
39%inclusion7 decks18 decks
34%synergy
Phyrexia's Core
33%inclusion6 decks18 decks
33%synergy
Urza's Workshop
33%inclusion6 decks18 decks
33%synergy
Rogue's Passage
33%inclusion6 decks18 decks
13%synergy
Reliquary Tower
33%inclusion6 decks18 decks
4%synergy
Darksteel Citadel
28%inclusion5 decks18 decks
24%synergy
Karn's Bastion
28%inclusion5 decks18 decks
23%synergy
Urza's Saga
28%inclusion5 decks18 decks
21%synergy
Sea Gate Wreckage
22%inclusion4 decks18 decks
22%synergy
Urza's Factory
22%inclusion4 decks18 decks
22%synergy
Mishra's Factory
22%inclusion4 decks18 decks
22%synergy
Blast Zone
22%inclusion4 decks18 decks
21%synergy
Nesting Grounds
22%inclusion4 decks18 decks
20%synergy
Thespian's Stage
22%inclusion4 decks18 decks
20%synergy
High Market
22%inclusion4 decks18 decks
19%synergy
Scavenger Grounds
22%inclusion4 decks18 decks
19%synergy
Muraganda Raceway
20%inclusion3 decks15 decks
19%synergy
Drannith Ruins
17%inclusion3 decks18 decks
16%synergy
Forge of Heroes
17%inclusion3 decks18 decks
16%synergy
Radiant Fountain
17%inclusion3 decks18 decks
16%synergy
Guildless Commons
17%inclusion3 decks18 decks
15%synergy
Arcane Lighthouse
17%inclusion3 decks18 decks
15%synergy
Ghost Quarter
17%inclusion3 decks18 decks
15%synergy
Bonders' Enclave
17%inclusion3 decks18 decks
14%synergy
Treasure Vault
17%inclusion3 decks18 decks
14%synergy
Mana Artifacts
Sol Ring
89%inclusion16 decks18 decks
5%synergy
Thran Dynamo
50%inclusion9 decks18 decks
45%synergy
Basalt Monolith
39%inclusion7 decks18 decks
37%synergy
Mind Stone
39%inclusion7 decks18 decks
25%synergy
Sol Talisman
28%inclusion5 decks18 decks
27%synergy
Worn Powerstone
28%inclusion5 decks18 decks
25%synergy
Everflowing Chalice
28%inclusion5 decks18 decks
24%synergy
Arcane Signet
28%inclusion5 decks18 decks
-44%synergy
Chromatic Sphere
22%inclusion4 decks18 decks
22%synergy
Chromatic Star
22%inclusion4 decks18 decks
22%synergy
Dreamstone Hedron
22%inclusion4 decks18 decks
21%synergy
Gilded Lotus
22%inclusion4 decks18 decks
19%synergy
Thought Vessel
22%inclusion4 decks18 decks
5%synergy
Coveted Jewel
17%inclusion3 decks18 decks
15%synergy
Hedron Archive
17%inclusion3 decks18 decks
14%synergy
Liquimetal Torque
17%inclusion3 decks18 decks
14%synergy
Lands
The Mycosynth Gardens
33%inclusion6 decks18 decks
32%synergy
Hall of Tagsin
22%inclusion4 decks18 decks
22%synergy
Urza's Cave
22%inclusion4 decks18 decks
19%synergy
Myriad Landscape
22%inclusion4 decks18 decks
8%synergy
Command Tower
22%inclusion4 decks18 decks
-52%synergy
Demolition Field
17%inclusion3 decks18 decks
14%synergy