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
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New Cards
Technodrome
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25%synergy
High Synergy Cards
Arcbound Ravager
56%inclusion9 decks16 decks
56%synergy
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56%inclusion9 decks16 decks
55%synergy
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Junk Diver
50%inclusion8 decks16 decks
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Inventors' Fair
50%inclusion8 decks16 decks
46%synergy
War Room
50%inclusion8 decks16 decks
44%synergy
Pentavus
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44%synergy
Triskelion
44%inclusion7 decks16 decks
43%synergy
Steel Overseer
44%inclusion7 decks16 decks
42%synergy
Urza's Mine
44%inclusion7 decks16 decks
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Top Cards
Walking Ballista
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Foundry Inspector
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Clock of Omens
38%inclusion6 decks16 decks
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Hangarback Walker
38%inclusion6 decks16 decks
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Forsaken Monument
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Glaring Fleshraker
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32%synergy
Towashi Guide-Bot
31%inclusion5 decks16 decks
31%synergy
Scrapyard Recombiner
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Mindless Automaton
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Game Changers
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Creatures
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Palladium Myr
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Solemn Simulacrum
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Triskelavus
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Myr Moonvessel
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Cathodion
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Scarecrone
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Workshop Assistant
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Marketback Walker
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Tatterkite
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Thopter Squadron
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19%synergy
Drillworks Mole
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Hexavus
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19%synergy
Patchwork Automaton
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Cryptic Trilobite
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Instants
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18%synergy
Sorceries
Faithless Looting
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All Is Dust
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Expanded Anatomy
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Utility Artifacts
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Unwinding Clock
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23%synergy
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Trading Post
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Contagion Engine
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Mirage Mirror
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Enchantments
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Planeswalkers
Ugin, the Ineffable
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Utility Lands
Vault of Whispers
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Bojuka Bog
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45%synergy
Urza's Tower
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Ruins of Oran-Rief
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Shrine of the Forsaken Gods
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Buried Ruin
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Temple of the False God
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Rogue's Passage
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Phyrexia's Core
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Reliquary Tower
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Sea Gate Wreckage
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Blast Zone
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Nesting Grounds
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High Market
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Scavenger Grounds
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Karn's Bastion
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Mana Artifacts
Sol Ring
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Thran Dynamo
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Basalt Monolith
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Mind Stone
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Arcane Signet
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-35%synergy
Thought Vessel
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14%synergy
Chromatic Sphere
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25%synergy
Chromatic Star
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24%synergy
Dreamstone Hedron
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24%synergy
Gilded Lotus
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22%synergy
Sol Talisman
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Coveted Jewel
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Worn Powerstone
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Hedron Archive
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Everflowing Chalice
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Lands
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Command Tower
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Hall of Tagsin
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18%synergy
The Mycosynth Gardens
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17%synergy