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%inclusion7 decks5.90K decks
Drafna, Founder of Lat-Nam
0.3%inclusion3 decks1.10K decks
Arcum Dagsson
0.1%inclusion2 decks2.50K decks
Golbez, Crystal Collector
0.0%inclusion1 decks9.14K decks
The Mechanist, Aerial Artisan
0.6%inclusion1 decks178 decks
Kydele, Chosen of Kruphix // Rograkh, Son of Rohgahh
0.5%inclusion1 decks196 decks
Sai, Master Thopterist
0.0%inclusion1 decks2.96K decks
Jin-Gitaxias
0.0%inclusion1 decks3.48K decks
New Cards
Sewer-veillance Cam
75%inclusion6 decks8 decks
74%synergy
Chrome Dome
25%inclusion2 decks8 decks
25%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
Valley Floodcaller
68%inclusion17 decks25 decks
64%synergy
Sensei's Divining Top
68%inclusion17 decks25 decks
64%synergy
Reshape
64%inclusion16 decks25 decks
63%synergy
Mental Misstep
68%inclusion17 decks25 decks
62%synergy
Isochron Scepter
64%inclusion16 decks25 decks
62%synergy
Whir of Invention
64%inclusion16 decks25 decks
62%synergy
Urza's Saga
68%inclusion17 decks25 decks
61%synergy
Mystic Remora
76%inclusion19 decks25 decks
60%synergy
Top Cards
Fabricate
64%inclusion16 decks25 decks
59%synergy
Imposter Mech
60%inclusion15 decks25 decks
58%synergy
Tezzeret the Seeker
60%inclusion15 decks25 decks
58%synergy
Displacer Kitten
60%inclusion15 decks25 decks
55%synergy
Flusterstorm
60%inclusion15 decks25 decks
53%synergy
Swan Song
60%inclusion15 decks25 decks
42%synergy
Manifold Key
56%inclusion14 decks25 decks
55%synergy
Mindbreak Trap
56%inclusion14 decks25 decks
51%synergy
Phyrexian Metamorph
56%inclusion14 decks25 decks
49%synergy
Tezzeret, Cruel Captain
56%inclusion10 decks18 decks
54%synergy
Game Changers
Mana Vault
72%inclusion18 decks25 decks
66%synergy
The One Ring
68%inclusion17 decks25 decks
60%synergy
Chrome Mox
64%inclusion16 decks25 decks
58%synergy
Ancient Tomb
64%inclusion16 decks25 decks
55%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
Grim Monolith
44%inclusion11 decks25 decks
42%synergy
Mishra's Workshop
36%inclusion9 decks25 decks
36%synergy
Creatures
Glaring Fleshraker
52%inclusion13 decks25 decks
51%synergy
Sai, Master Thopterist
52%inclusion13 decks25 decks
48%synergy
Mirran Spy
48%inclusion12 decks25 decks
48%synergy
Hullbreaker Horror
44%inclusion11 decks25 decks
36%synergy
Ornithopter
36%inclusion9 decks25 decks
34%synergy
Walking Ballista
36%inclusion9 decks25 decks
33%synergy
Spellskite
36%inclusion9 decks25 decks
33%synergy
Thought Monitor
36%inclusion9 decks25 decks
32%synergy
Hydroelectric Specimen
36%inclusion9 decks25 decks
32%synergy
Battered Golem
32%inclusion8 decks25 decks
32%synergy
Liberator, Urza's Battlethopter
32%inclusion8 decks25 decks
31%synergy
The Reality Chip
32%inclusion8 decks25 decks
29%synergy
Foundry Inspector
32%inclusion8 decks25 decks
28%synergy
Emry, Lurker of the Loch
32%inclusion8 decks25 decks
28%synergy
Faerie Mastermind
28%inclusion7 decks25 decks
21%synergy
Phyrexian Walker
24%inclusion6 decks25 decks
23%synergy
Riddlesmith
24%inclusion6 decks25 decks
23%synergy
Trinket Mage
24%inclusion6 decks25 decks
22%synergy
Scrap Trawler
24%inclusion6 decks25 decks
22%synergy
Wan Shi Tong, Librarian
23%inclusion3 decks13 decks
19%synergy
Metalworker
20%inclusion5 decks25 decks
20%synergy
Myr Convert
20%inclusion5 decks25 decks
19%synergy
Memnite
20%inclusion5 decks25 decks
19%synergy
Myr Retriever
20%inclusion5 decks25 decks
18%synergy
Mockingbird
20%inclusion5 decks25 decks
16%synergy
Ornithopter of Paradise
20%inclusion5 decks25 decks
16%synergy
Drafna, Founder of Lat-Nam
16%inclusion4 decks25 decks
16%synergy
Chrome Host Seedshark
16%inclusion4 decks25 decks
15%synergy
Vedalken Archmage
16%inclusion4 decks25 decks
15%synergy
Shimmer Myr
16%inclusion4 decks25 decks
15%synergy
Master Transmuter
16%inclusion4 decks25 decks
15%synergy
Marvin, Murderous Mimic
16%inclusion4 decks25 decks
15%synergy
Jhoira's Familiar
16%inclusion4 decks25 decks
15%synergy
Kitsa, Otterball Elite
16%inclusion4 decks25 decks
14%synergy
Silver Myr
16%inclusion4 decks25 decks
14%synergy
Ledger Shredder
16%inclusion4 decks25 decks
13%synergy
Transplant Theorist
12%inclusion3 decks25 decks
12%synergy
Pili-Pala
12%inclusion3 decks25 decks
12%synergy
Arcum Dagsson
12%inclusion3 decks25 decks
12%synergy
Grand Architect
12%inclusion3 decks25 decks
12%synergy
Chakram Retriever
12%inclusion3 decks25 decks
11%synergy
Unctus, Grand Metatect
12%inclusion3 decks25 decks
11%synergy
Hangarback Walker
12%inclusion3 decks25 decks
11%synergy
Crashing Drawbridge
12%inclusion3 decks25 decks
10%synergy
Volatile Stormdrake
12%inclusion3 decks25 decks
10%synergy
Spellseeker
12%inclusion3 decks25 decks
9%synergy
Instants
Sink into Stupor
52%inclusion13 decks25 decks
42%synergy
Chain of Vapor
48%inclusion12 decks25 decks
45%synergy
Pact of Negation
48%inclusion12 decks25 decks
41%synergy
Banishing Knack
44%inclusion11 decks25 decks
44%synergy
Borne Upon a Wind
44%inclusion11 decks25 decks
40%synergy
Force of Negation
44%inclusion11 decks25 decks
36%synergy
Cyclonic Rift
44%inclusion11 decks25 decks
22%synergy
An Offer You Can't Refuse
44%inclusion11 decks25 decks
19%synergy
Muddle the Mixture
40%inclusion10 decks25 decks
36%synergy
Mystical Tutor
40%inclusion10 decks25 decks
28%synergy
Into the Flood Maw
32%inclusion8 decks25 decks
28%synergy
Scour for Scrap
29%inclusion5 decks17 decks
28%synergy
Paradoxical Outcome
28%inclusion7 decks25 decks
28%synergy
Pongify
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17%synergy
Mana Drain
28%inclusion7 decks25 decks
14%synergy
Dispel
24%inclusion6 decks25 decks
21%synergy
Commandeer
20%inclusion5 decks25 decks
19%synergy
Spell Pierce
20%inclusion5 decks25 decks
17%synergy
Rapid Hybridization
20%inclusion5 decks25 decks
11%synergy
Arcane Denial
20%inclusion5 decks25 decks
0%synergy
Counterspell
20%inclusion5 decks25 decks
-22%synergy
Intuition
16%inclusion4 decks25 decks
14%synergy
Resculpt
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12%synergy
Snap
16%inclusion4 decks25 decks
8%synergy
March of Swirling Mist
12%inclusion3 decks25 decks
10%synergy
Flare of Denial
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10%synergy
Brain Freeze
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8%synergy
Negate
12%inclusion3 decks25 decks
-9%synergy
Sorceries
Transmute Artifact
52%inclusion13 decks25 decks
51%synergy
Sea Gate Restoration
28%inclusion7 decks25 decks
24%synergy
Gitaxian Probe
20%inclusion5 decks25 decks
15%synergy
Windfall
20%inclusion5 decks25 decks
8%synergy
Merchant Scroll
16%inclusion4 decks25 decks
15%synergy
Timetwister
12%inclusion3 decks25 decks
11%synergy
Utility Artifacts
Codex Shredder
52%inclusion13 decks25 decks
51%synergy
Voltaic Key
48%inclusion12 decks25 decks
47%synergy
Aether Spellbomb
48%inclusion12 decks25 decks
47%synergy
Sculpting Steel
44%inclusion11 decks25 decks
42%synergy
Mystic Forge
44%inclusion11 decks25 decks
41%synergy
Mishra's Bauble
40%inclusion10 decks25 decks
39%synergy
Repurposing Bay
36%inclusion8 decks22 decks
35%synergy
Grinding Station
36%inclusion9 decks25 decks
35%synergy
Lightning Greaves
36%inclusion9 decks25 decks
11%synergy
Krark-Clan Ironworks
32%inclusion8 decks25 decks
31%synergy
Rings of Brighthearth
32%inclusion8 decks25 decks
31%synergy
Unwinding Clock
32%inclusion8 decks25 decks
30%synergy
Sapphire Medallion
32%inclusion8 decks25 decks
29%synergy
Defense Grid
28%inclusion7 decks25 decks
27%synergy
Cloud Key
28%inclusion7 decks25 decks
26%synergy
Conjurer's Bauble
24%inclusion6 decks25 decks
24%synergy
Urza's Bauble
24%inclusion6 decks25 decks
23%synergy
Tormod's Crypt
24%inclusion6 decks25 decks
23%synergy
Clock of Omens
24%inclusion6 decks25 decks
23%synergy
Moonsilver Key
24%inclusion6 decks25 decks
23%synergy
Uthros Research Craft
22%inclusion4 decks18 decks
20%synergy
Disruptor Flute
20%inclusion5 decks25 decks
20%synergy
Soul-Guide Lantern
20%inclusion5 decks25 decks
19%synergy
Ichor Wellspring
20%inclusion5 decks25 decks
18%synergy
Aetherflux Reservoir
20%inclusion5 decks25 decks
17%synergy
Dermotaxi
16%inclusion4 decks25 decks
16%synergy
Vexing Bauble
16%inclusion4 decks25 decks
15%synergy
Agatha's Soul Cauldron
16%inclusion4 decks25 decks
15%synergy
Thousand-Year Elixir
16%inclusion4 decks25 decks
14%synergy
Skullclamp
16%inclusion4 decks25 decks
5%synergy
Welding Jar
12%inclusion3 decks25 decks
11%synergy
Genesis Chamber
12%inclusion3 decks25 decks
11%synergy
Prized Statue
12%inclusion3 decks25 decks
11%synergy
Grafdigger's Cage
12%inclusion3 decks25 decks
11%synergy
Mirage Mirror
12%inclusion3 decks25 decks
11%synergy
Staff of Domination
12%inclusion3 decks25 decks
11%synergy
Ashnod's Altar
12%inclusion3 decks25 decks
6%synergy
Swiftfoot Boots
12%inclusion3 decks25 decks
-15%synergy
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
20%inclusion5 decks25 decks
18%synergy
Training Grounds
20%inclusion5 decks25 decks
17%synergy
Amphibian Downpour
16%inclusion4 decks25 decks
13%synergy
Mind Over Matter
12%inclusion3 decks25 decks
12%synergy
Back to Basics
12%inclusion3 decks25 decks
11%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
Utility Lands
Otawara, Soaring City
68%inclusion17 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
Inventors' Fair
52%inclusion13 decks25 decks
48%synergy
Academy Ruins
48%inclusion12 decks25 decks
43%synergy
City of Traitors
44%inclusion11 decks25 decks
43%synergy
Cephalid Coliseum
40%inclusion10 decks25 decks
37%synergy
Emergence Zone
36%inclusion9 decks25 decks
34%synergy
Crystal Vein
32%inclusion8 decks25 decks
31%synergy
Fomori Vault
20%inclusion5 decks25 decks
19%synergy
Treasure Vault
20%inclusion5 decks25 decks
17%synergy
Buried Ruin
20%inclusion5 decks25 decks
15%synergy
Uthros, Titanic Godcore
17%inclusion3 decks18 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
Saprazzan Skerry
12%inclusion3 decks25 decks
12%synergy
Oboro, Palace in the Clouds
12%inclusion3 decks25 decks
11%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
48%inclusion12 decks25 decks
43%synergy
Fellwar Stone
48%inclusion12 decks25 decks
28%synergy
Chromatic Star
32%inclusion8 decks25 decks
31%synergy
Lion's Eye Diamond
28%inclusion7 decks25 decks
26%synergy
Springleaf Drum
28%inclusion7 decks25 decks
26%synergy
Chromatic Sphere
24%inclusion6 decks25 decks
24%synergy
Jeweled Amulet
24%inclusion6 decks25 decks
24%synergy
Crystal Skull, Isu Spyglass
24%inclusion6 decks25 decks
22%synergy
Everflowing Chalice
24%inclusion6 decks25 decks
20%synergy
Mind Stone
24%inclusion6 decks25 decks
10%synergy
Chromatic Orrery
20%inclusion5 decks25 decks
19%synergy
Liquimetal Torque
20%inclusion5 decks25 decks
17%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