Urza, Lord High Artificer
Corridor Monitor
Retraction Helix
Etherium Sculptor

   Prerequisites

What do I need to start this combo?
Urza and Etherium Sculptor on the battlefield.
Corridor Monitor and Retraction Helix in hand.
You control a creature that doesn't have summoning sickness.
available

   Steps

How does this combo work?
1
Cast Retraction Helix by paying , targeting a creature you control that doesn't have summoning sickness.
2
Cast Corridor Monitor by paying due to Etherium Sculptor.
3
When Corridor Monitor enters, it triggers, untapping the creature targeted by Retraction Helix.
4
Activate Urza's first ability by tapping Corridor Monitor, adding .
5
Activate the creature targeted by Retraction Helix by tapping it, returning Corridor Monitor from the battlefield to your hand.
6
Repeat from step 2.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite storm count
Urza, Lord High Artificer
0.0%inclusion8 decks18.6K decks
Emry, Lurker of the Loch
0.1%inclusion6 decks5.92K decks
Drafna, Founder of Lat-Nam
0.3%inclusion3 decks1.10K decks
Arcum Dagsson
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Golbez, Crystal Collector
0.0%inclusion1 decks9.19K decks
The Mechanist, Aerial Artisan
0.6%inclusion1 decks179 decks
Kydele, Chosen of Kruphix // Rograkh, Son of Rohgahh
0.5%inclusion1 decks195 decks
Sai, Master Thopterist
0.0%inclusion1 decks2.96K decks
Jin-Gitaxias
0.0%inclusion1 decks3.49K decks
New Cards
Sewer-veillance Cam
75%inclusion6 decks8 decks
74%synergy
Chrome Dome
38%inclusion3 decks8 decks
37%synergy
Big Mother Mouser
13%inclusion1 decks8 decks
12%synergy
Does Machines
13%inclusion1 decks8 decks
12%synergy
High Synergy Cards
Dramatic Reversal
76%inclusion19 decks25 decks
72%synergy
Forensic Gadgeteer
72%inclusion18 decks25 decks
70%synergy
Isochron Scepter
68%inclusion17 decks25 decks
66%synergy
Fabricate
68%inclusion17 decks25 decks
63%synergy
Mental Misstep
68%inclusion17 decks25 decks
62%synergy
Whir of Invention
64%inclusion16 decks25 decks
62%synergy
Urza's Saga
68%inclusion17 decks25 decks
61%synergy
Valley Floodcaller
64%inclusion16 decks25 decks
60%synergy
Mystic Remora
76%inclusion19 decks25 decks
60%synergy
Sensei's Divining Top
64%inclusion16 decks25 decks
60%synergy
Top Cards
Reshape
60%inclusion15 decks25 decks
59%synergy
Imposter Mech
60%inclusion15 decks25 decks
58%synergy
Tezzeret the Seeker
60%inclusion15 decks25 decks
58%synergy
Flusterstorm
60%inclusion15 decks25 decks
53%synergy
Swan Song
60%inclusion15 decks25 decks
42%synergy
Manifold Key
56%inclusion14 decks25 decks
55%synergy
Displacer Kitten
56%inclusion14 decks25 decks
51%synergy
Mindbreak Trap
56%inclusion14 decks25 decks
51%synergy
Phyrexian Metamorph
56%inclusion14 decks25 decks
49%synergy
Transmute Artifact
52%inclusion13 decks25 decks
51%synergy
Game Changers
Mana Vault
72%inclusion18 decks25 decks
66%synergy
The One Ring
68%inclusion17 decks25 decks
60%synergy
Ancient Tomb
64%inclusion16 decks25 decks
55%synergy
Chrome Mox
60%inclusion15 decks25 decks
54%synergy
Rhystic Study
60%inclusion15 decks25 decks
37%synergy
Mox Diamond
56%inclusion14 decks25 decks
52%synergy
Force of Will
56%inclusion14 decks25 decks
46%synergy
Fierce Guardianship
56%inclusion14 decks25 decks
39%synergy
Mystical Tutor
44%inclusion11 decks25 decks
32%synergy
Grim Monolith
40%inclusion10 decks25 decks
38%synergy
Creatures
Glaring Fleshraker
52%inclusion13 decks25 decks
51%synergy
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48%synergy
Mirran Spy
44%inclusion11 decks25 decks
44%synergy
Ornithopter
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38%synergy
Walking Ballista
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37%synergy
Spellskite
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37%synergy
Hullbreaker Horror
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32%synergy
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35%synergy
Thought Monitor
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32%synergy
The Reality Chip
32%inclusion8 decks25 decks
29%synergy
Foundry Inspector
32%inclusion8 decks25 decks
28%synergy
Emry, Lurker of the Loch
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28%synergy
Hydroelectric Specimen
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28%synergy
Battered Golem
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28%synergy
Phyrexian Walker
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27%synergy
Faerie Mastermind
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21%synergy
Metalworker
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24%synergy
Riddlesmith
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23%synergy
Scrap Trawler
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22%synergy
Ornithopter of Paradise
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20%synergy
Myr Convert
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19%synergy
Memnite
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19%synergy
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19%synergy
Myr Retriever
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18%synergy
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18%synergy
Silver Myr
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18%synergy
Drafna, Founder of Lat-Nam
16%inclusion4 decks25 decks
16%synergy
Chrome Host Seedshark
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15%synergy
Hangarback Walker
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15%synergy
Vedalken Archmage
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15%synergy
Shimmer Myr
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15%synergy
Master Transmuter
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15%synergy
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14%synergy
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13%synergy
Mockingbird
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12%synergy
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12%synergy
Pili-Pala
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Arcum Dagsson
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12%synergy
Shield Sphere
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12%synergy
Grand Architect
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12%synergy
Unctus, Grand Metatect
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11%synergy
Volatile Stormdrake
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10%synergy
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9%synergy
Instants
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42%synergy
Force of Negation
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40%synergy
Banishing Knack
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44%synergy
Chain of Vapor
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41%synergy
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40%synergy
Pact of Negation
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37%synergy
Cyclonic Rift
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22%synergy
An Offer You Can't Refuse
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19%synergy
Muddle the Mixture
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36%synergy
Into the Flood Maw
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28%synergy
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21%synergy
Scour for Scrap
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Paradoxical Outcome
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Mana Drain
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Spell Pierce
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21%synergy
Dispel
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21%synergy
Commandeer
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19%synergy
Rapid Hybridization
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Arcane Denial
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Counterspell
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Sorceries
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Windfall
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Utility Artifacts
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47%synergy
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47%synergy
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43%synergy
Sculpting Steel
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42%synergy
Mystic Forge
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Repurposing Bay
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Rings of Brighthearth
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Lightning Greaves
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Grinding Station
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31%synergy
Krark-Clan Ironworks
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31%synergy
Unwinding Clock
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30%synergy
Defense Grid
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27%synergy
Cloud Key
28%inclusion7 decks25 decks
26%synergy
Urza's Bauble
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23%synergy
Tormod's Crypt
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23%synergy
Clock of Omens
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23%synergy
Uthros Research Craft
22%inclusion4 decks18 decks
20%synergy
Disruptor Flute
20%inclusion5 decks25 decks
20%synergy
Conjurer's Bauble
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20%synergy
Moonsilver Key
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19%synergy
Agatha's Soul Cauldron
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19%synergy
Ichor Wellspring
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18%synergy
Aetherflux Reservoir
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17%synergy
Vexing Bauble
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15%synergy
Soul-Guide Lantern
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15%synergy
Staff of Domination
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Skullclamp
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Dermotaxi
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12%synergy
Torpor Orb
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11%synergy
Welding Jar
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11%synergy
Genesis Chamber
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11%synergy
Prized Statue
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11%synergy
Grafdigger's Cage
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11%synergy
Encroaching Mycosynth
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11%synergy
Mirage Mirror
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11%synergy
Thousand-Year Elixir
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10%synergy
Ashnod's Altar
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6%synergy
Swiftfoot Boots
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Enchantments
Copy Artifact
32%inclusion8 decks25 decks
31%synergy
Mirrormade
28%inclusion7 decks25 decks
25%synergy
Steal Enchantment
20%inclusion5 decks25 decks
20%synergy
Intruder Alarm
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18%synergy
Training Grounds
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17%synergy
Mind Over Matter
16%inclusion4 decks25 decks
16%synergy
Back to Basics
16%inclusion4 decks25 decks
15%synergy
Amphibian Downpour
16%inclusion4 decks25 decks
13%synergy
Efficient Construction
12%inclusion3 decks25 decks
11%synergy
Mirrodin Besieged
12%inclusion3 decks25 decks
11%synergy
Copy Enchantment
12%inclusion3 decks25 decks
11%synergy
Planeswalkers
Tezzeret, Cruel Captain
50%inclusion9 decks18 decks
48%synergy
Utility Lands
Otawara, Soaring City
68%inclusion17 decks25 decks
52%synergy
Inventors' Fair
56%inclusion14 decks25 decks
52%synergy
Minamo, School at Water's Edge
56%inclusion14 decks25 decks
52%synergy
Seat of the Synod
56%inclusion14 decks25 decks
49%synergy
Academy Ruins
52%inclusion13 decks25 decks
47%synergy
City of Traitors
44%inclusion11 decks25 decks
43%synergy
Crystal Vein
36%inclusion9 decks25 decks
35%synergy
Cephalid Coliseum
36%inclusion9 decks25 decks
33%synergy
Mishra's Workshop
32%inclusion8 decks25 decks
32%synergy
Emergence Zone
32%inclusion8 decks25 decks
30%synergy
Buried Ruin
20%inclusion5 decks25 decks
15%synergy
Uthros, Titanic Godcore
17%inclusion3 decks18 decks
13%synergy
Saprazzan Skerry
16%inclusion4 decks25 decks
16%synergy
Fomori Vault
16%inclusion4 decks25 decks
15%synergy
Treasure Vault
16%inclusion4 decks25 decks
13%synergy
Archway of Innovation
16%inclusion4 decks25 decks
13%synergy
Darksteel Citadel
16%inclusion4 decks25 decks
12%synergy
Mystic Sanctuary
16%inclusion4 decks25 decks
6%synergy
Ipnu Rivulet
12%inclusion3 decks25 decks
12%synergy
Mana Artifacts
Sol Ring
100%inclusion25 decks25 decks
16%synergy
Lotus Petal
84%inclusion21 decks25 decks
77%synergy
Arcane Signet
84%inclusion21 decks25 decks
12%synergy
Mox Opal
72%inclusion18 decks25 decks
68%synergy
Basalt Monolith
68%inclusion17 decks25 decks
66%synergy
Mox Amber
44%inclusion11 decks25 decks
39%synergy
Fellwar Stone
44%inclusion11 decks25 decks
24%synergy
Springleaf Drum
32%inclusion8 decks25 decks
30%synergy
Chromatic Star
28%inclusion7 decks25 decks
27%synergy
Jeweled Amulet
24%inclusion6 decks25 decks
24%synergy
Chromatic Orrery
24%inclusion6 decks25 decks
23%synergy
Lion's Eye Diamond
24%inclusion6 decks25 decks
22%synergy
Liquimetal Torque
24%inclusion6 decks25 decks
21%synergy
Everflowing Chalice
24%inclusion6 decks25 decks
20%synergy
Chromatic Sphere
20%inclusion5 decks25 decks
20%synergy
Crystal Skull, Isu Spyglass
20%inclusion5 decks25 decks
18%synergy
Mind Stone
20%inclusion5 decks25 decks
6%synergy
Moonsnare Prototype
16%inclusion4 decks25 decks
16%synergy
Relic of Legends
16%inclusion4 decks25 decks
14%synergy
Paradise Mantle
12%inclusion3 decks25 decks
11%synergy
Machine God's Effigy
12%inclusion3 decks25 decks
11%synergy
Thought Vessel
12%inclusion3 decks25 decks
-5%synergy
Lands
Gemstone Caverns
60%inclusion15 decks25 decks
55%synergy
Polluted Delta
56%inclusion14 decks25 decks
44%synergy
Scalding Tarn
52%inclusion13 decks25 decks
41%synergy
Flooded Strand
52%inclusion13 decks25 decks
41%synergy
Talon Gates of Madara
36%inclusion9 decks25 decks
34%synergy
Misty Rainforest
36%inclusion9 decks25 decks
25%synergy
The Mycosynth Gardens
20%inclusion5 decks25 decks
18%synergy
Prismatic Vista
20%inclusion5 decks25 decks
15%synergy
Cavern of Souls
12%inclusion3 decks25 decks
5%synergy