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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Trazyn the Infinite
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High Synergy Cards
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67%inclusion4 decks6 decks
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56%inclusion10 decks18 decks
55%synergy
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61%inclusion11 decks18 decks
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50%inclusion9 decks18 decks
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39%inclusion7 decks18 decks
39%synergy
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Top Cards
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39%inclusion7 decks18 decks
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Game Changers
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75%inclusion3 decks4 decks
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Instants
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Cloud Key
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Enchantments
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Planeswalkers
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War Room
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High Market
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16%synergy
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Mana Artifacts
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45%synergy
Basalt Monolith
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Mind Stone
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24%synergy
Arcane Signet
33%inclusion6 decks18 decks
-39%synergy
Chromatic Sphere
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27%synergy
Chromatic Star
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27%synergy
Gilded Lotus
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Dreamstone Hedron
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Coveted Jewel
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Thought Vessel
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Sol Talisman
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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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26%synergy
Demolition Field
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25%synergy
Command Tower
28%inclusion5 decks18 decks
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Myriad Landscape
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Hall of Tagsin
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16%synergy