Urza, Lord High Artificer
Corridor Monitor
Banishing Knack
Sapphire Medallion

   Prerequisites

What do I need to start this combo?
Urza and Sapphire Medallion on the battlefield.
Corridor Monitor and Banishing Knack in hand.
You control a creature that doesn't have summoning sickness.
available

   Steps

How does this combo work?
1
Cast Banishing Knack by paying , targeting a creature you control that doesn't have summoning sickness.
2
Cast Corridor Monitor by paying due to Sapphire Medallion.
3
When Corridor Monitor enters, it triggers, untapping the creature targeted by Banishing Knack.
4
Activate Urza's first ability by tapping Corridor Monitor, adding .
5
Activate the creature targeted by Banishing Knack 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%inclusion6 decks18.6K decks
Vnwxt, Verbose Host
0.0%inclusion1 decks4.35K decks
Lady Octopus, Inspired Inventor
0.0%inclusion1 decks3.21K decks
Arcum Dagsson
0.0%inclusion1 decks2.50K decks
New Cards
Sewer-veillance Cam
100%inclusion2 decks2 decks
96%synergy
Chrome Dome
50%inclusion1 decks2 decks
48%synergy
High Synergy Cards
Forensic Gadgeteer
89%inclusion8 decks9 decks
79%synergy
Retraction Helix
78%inclusion7 decks9 decks
76%synergy
Valley Floodcaller
78%inclusion7 decks9 decks
74%synergy
Urza's Saga
89%inclusion8 decks9 decks
72%synergy
Isochron Scepter
89%inclusion8 decks9 decks
71%synergy
Rings of Brighthearth
78%inclusion7 decks9 decks
71%synergy
Manifold Key
78%inclusion7 decks9 decks
71%synergy
Flusterstorm
78%inclusion7 decks9 decks
68%synergy
Spellskite
78%inclusion7 decks9 decks
67%synergy
Mystic Remora
89%inclusion8 decks9 decks
62%synergy
Top Cards
An Offer You Can't Refuse
78%inclusion7 decks9 decks
40%synergy
Voltaic Key
67%inclusion6 decks9 decks
61%synergy
Tezzeret, Cruel Captain
67%inclusion4 decks6 decks
60%synergy
Aether Spellbomb
67%inclusion6 decks9 decks
59%synergy
Tezzeret the Seeker
67%inclusion6 decks9 decks
58%synergy
Mishra's Bauble
67%inclusion6 decks9 decks
57%synergy
Unwinding Clock
67%inclusion6 decks9 decks
55%synergy
The Reality Chip
67%inclusion6 decks9 decks
54%synergy
Sensei's Divining Top
67%inclusion6 decks9 decks
52%synergy
Force of Negation
67%inclusion6 decks9 decks
51%synergy
Game Changers
Mana Vault
78%inclusion7 decks9 decks
67%synergy
The One Ring
78%inclusion7 decks9 decks
65%synergy
Rhystic Study
67%inclusion6 decks9 decks
34%synergy
Mox Diamond
56%inclusion5 decks9 decks
50%synergy
Ancient Tomb
56%inclusion5 decks9 decks
44%synergy
Force of Will
56%inclusion5 decks9 decks
39%synergy
Mystical Tutor
56%inclusion5 decks9 decks
33%synergy
Fierce Guardianship
56%inclusion5 decks9 decks
33%synergy
Grim Monolith
44%inclusion4 decks9 decks
39%synergy
Chrome Mox
44%inclusion4 decks9 decks
35%synergy
Creatures
Hydroelectric Specimen
67%inclusion6 decks9 decks
53%synergy
Phyrexian Metamorph
67%inclusion6 decks9 decks
47%synergy
Hullbreaker Horror
67%inclusion6 decks9 decks
42%synergy
Battered Golem
56%inclusion5 decks9 decks
55%synergy
Wan Shi Tong, Librarian
50%inclusion1 decks2 decks
43%synergy
Walking Ballista
44%inclusion4 decks9 decks
39%synergy
Faerie Mastermind
44%inclusion4 decks9 decks
30%synergy
Etherium Sculptor
44%inclusion4 decks9 decks
27%synergy
Y'shtola Rhul
33%inclusion2 decks6 decks
31%synergy
Volatile Stormdrake
33%inclusion3 decks9 decks
30%synergy
Liberator, Urza's Battlethopter
33%inclusion3 decks9 decks
28%synergy
Displacer Kitten
33%inclusion3 decks9 decks
24%synergy
Emry, Lurker of the Loch
33%inclusion3 decks9 decks
21%synergy
Phyrexian Walker
22%inclusion2 decks9 decks
20%synergy
Kitsa, Otterball Elite
22%inclusion2 decks9 decks
20%synergy
Mirran Spy
22%inclusion2 decks9 decks
19%synergy
Thassa, Deep-Dwelling
22%inclusion2 decks9 decks
18%synergy
High Fae Trickster
22%inclusion2 decks9 decks
17%synergy
Snapcaster Mage
22%inclusion2 decks9 decks
15%synergy
Ornithopter
22%inclusion2 decks9 decks
14%synergy
Thought Monitor
22%inclusion2 decks9 decks
12%synergy
Sai, Master Thopterist
22%inclusion2 decks9 decks
10%synergy
Pestermite
11%inclusion1 decks9 decks
11%synergy
Steelfin Whale
11%inclusion1 decks9 decks
11%synergy
Hexavus
11%inclusion1 decks9 decks
11%synergy
Voltaic Servant
11%inclusion1 decks9 decks
11%synergy
Tomb Trawler
11%inclusion1 decks9 decks
11%synergy
Filigree Sages
11%inclusion1 decks9 decks
10%synergy
Palinchron
11%inclusion1 decks9 decks
10%synergy
Combat Courier
11%inclusion1 decks9 decks
10%synergy
Mnemonic Wall
11%inclusion1 decks9 decks
10%synergy
Sea Gate Oracle
11%inclusion1 decks9 decks
10%synergy
Metalworker
11%inclusion1 decks9 decks
10%synergy
Shield Sphere
11%inclusion1 decks9 decks
10%synergy
Pili-Pala
11%inclusion1 decks9 decks
9%synergy
Glaring Fleshraker
11%inclusion1 decks9 decks
9%synergy
Chakram Retriever
11%inclusion1 decks9 decks
9%synergy
Transit Mage
11%inclusion1 decks9 decks
9%synergy
Drift of Phantasms
11%inclusion1 decks9 decks
9%synergy
Glen Elendra Archmage
11%inclusion1 decks9 decks
9%synergy
Slither Blade
11%inclusion1 decks9 decks
9%synergy
Crashing Drawbridge
11%inclusion1 decks9 decks
8%synergy
Triton Shorestalker
11%inclusion1 decks9 decks
8%synergy
Shoreline Looter
11%inclusion1 decks9 decks
8%synergy
Hangarback Walker
11%inclusion1 decks9 decks
8%synergy
Spectral Sailor
11%inclusion1 decks9 decks
8%synergy
Azami, Lady of Scrolls
11%inclusion1 decks9 decks
8%synergy
Marvin, Murderous Mimic
11%inclusion1 decks9 decks
8%synergy
Grand Architect
11%inclusion1 decks9 decks
8%synergy
Teferi, Mage of Zhalfir
11%inclusion1 decks9 decks
8%synergy
Instants
Muddle the Mixture
67%inclusion6 decks9 decks
51%synergy
Dramatic Reversal
67%inclusion6 decks9 decks
47%synergy
Sink into Stupor
67%inclusion6 decks9 decks
45%synergy
Swan Song
67%inclusion6 decks9 decks
40%synergy
Borne Upon a Wind
56%inclusion5 decks9 decks
51%synergy
Mindbreak Trap
56%inclusion5 decks9 decks
50%synergy
Mental Misstep
56%inclusion5 decks9 decks
49%synergy
Cyclonic Rift
56%inclusion5 decks9 decks
23%synergy
Pact of Negation
44%inclusion4 decks9 decks
35%synergy
Whir of Invention
44%inclusion4 decks9 decks
32%synergy
Mana Drain
44%inclusion4 decks9 decks
18%synergy
Magic Damper
33%inclusion2 decks6 decks
30%synergy
Chain of Vapor
33%inclusion3 decks9 decks
28%synergy
Into the Flood Maw
33%inclusion3 decks9 decks
27%synergy
Scour for Scrap
33%inclusion2 decks6 decks
26%synergy
Spell Pierce
33%inclusion3 decks9 decks
25%synergy
Ghostly Flicker
33%inclusion3 decks9 decks
22%synergy
Snap
33%inclusion3 decks9 decks
15%synergy
Arcane Denial
33%inclusion3 decks9 decks
-3%synergy
Brainstorm
33%inclusion3 decks9 decks
-8%synergy
Brain Freeze
22%inclusion2 decks9 decks
18%synergy
Flare of Denial
22%inclusion2 decks9 decks
15%synergy
Essence Flux
22%inclusion2 decks9 decks
14%synergy
Dispel
22%inclusion2 decks9 decks
13%synergy
Resculpt
22%inclusion2 decks9 decks
5%synergy
Frantic Search
22%inclusion2 decks9 decks
-8%synergy
High Tide
22%inclusion2 decks9 decks
-22%synergy
Counterspell
22%inclusion2 decks9 decks
-44%synergy
Tidal Bore
11%inclusion1 decks9 decks
11%synergy
Metallic Rebuke
11%inclusion1 decks9 decks
10%synergy
Trickbind
11%inclusion1 decks9 decks
10%synergy
Paradoxical Outcome
11%inclusion1 decks9 decks
9%synergy
Cerulean Wisps
11%inclusion1 decks9 decks
8%synergy
Delay
11%inclusion1 decks9 decks
7%synergy
Misdirection
11%inclusion1 decks9 decks
6%synergy
Commandeer
11%inclusion1 decks9 decks
6%synergy
Shore Up
11%inclusion1 decks9 decks
6%synergy
Foil
11%inclusion1 decks9 decks
5%synergy
Mana Leak
11%inclusion1 decks9 decks
5%synergy
March of Swirling Mist
11%inclusion1 decks9 decks
3%synergy
Engulf the Shore
11%inclusion1 decks9 decks
3%synergy
Fact or Fiction
11%inclusion1 decks9 decks
2%synergy
Blue Sun's Zenith
11%inclusion1 decks9 decks
0%synergy
Reality Shift
11%inclusion1 decks9 decks
-16%synergy
Rapid Hybridization
11%inclusion1 decks9 decks
-23%synergy
Pongify
11%inclusion1 decks9 decks
-29%synergy
Sorceries
Fabricate
56%inclusion5 decks9 decks
34%synergy
Transmute Artifact
44%inclusion4 decks9 decks
41%synergy
Sea Gate Restoration
44%inclusion4 decks9 decks
29%synergy
Reshape
33%inclusion3 decks9 decks
26%synergy
Merchant Scroll
33%inclusion3 decks9 decks
24%synergy
Solve the Equation
33%inclusion3 decks9 decks
21%synergy
Windfall
33%inclusion3 decks9 decks
11%synergy
Flash Photography
25%inclusion1 decks4 decks
24%synergy
Timetwister
22%inclusion2 decks9 decks
20%synergy
Energy Tap
22%inclusion2 decks9 decks
19%synergy
Part the Waterveil
11%inclusion1 decks9 decks
10%synergy
Hidden Strings
11%inclusion1 decks9 decks
7%synergy
Deep Analysis
11%inclusion1 decks9 decks
6%synergy
Treasure Cruise
11%inclusion1 decks9 decks
0%synergy
Utility Artifacts
Urza's Bauble
56%inclusion5 decks9 decks
51%synergy
Codex Shredder
56%inclusion5 decks9 decks
50%synergy
Imposter Mech
44%inclusion4 decks9 decks
41%synergy
Tormod's Crypt
44%inclusion4 decks9 decks
36%synergy
Repurposing Bay
33%inclusion3 decks9 decks
30%synergy
Uthros Research Craft
33%inclusion2 decks6 decks
26%synergy
Lightning Greaves
33%inclusion3 decks9 decks
7%synergy
Prized Statue
22%inclusion2 decks9 decks
21%synergy
Vexing Bauble
22%inclusion2 decks9 decks
20%synergy
Vedalken Orrery
22%inclusion2 decks9 decks
19%synergy
Portal to Phyrexia
22%inclusion2 decks9 decks
17%synergy
Cloud Key
22%inclusion2 decks9 decks
15%synergy
Mystic Forge
22%inclusion2 decks9 decks
13%synergy
The Endstone
17%inclusion1 decks6 decks
14%synergy
Ingenuity Engine
11%inclusion1 decks9 decks
11%synergy
Gold Pan
11%inclusion1 decks9 decks
11%synergy
Citanul Flute
11%inclusion1 decks9 decks
11%synergy
Prototype Portal
11%inclusion1 decks9 decks
11%synergy
Lembas
11%inclusion1 decks9 decks
11%synergy
Orochi Hatchery
11%inclusion1 decks9 decks
11%synergy
Disruptor Flute
11%inclusion1 decks9 decks
11%synergy
Agatha's Soul Cauldron
11%inclusion1 decks9 decks
10%synergy
Accorder's Shield
11%inclusion1 decks9 decks
10%synergy
Zuran Orb
11%inclusion1 decks9 decks
10%synergy
Maskwood Nexus
11%inclusion1 decks9 decks
10%synergy
Trinisphere
11%inclusion1 decks9 decks
9%synergy
Torpor Orb
11%inclusion1 decks9 decks
9%synergy
Pithing Needle
11%inclusion1 decks9 decks
9%synergy
Aether Syphon
11%inclusion1 decks9 decks
9%synergy
Clock of Omens
11%inclusion1 decks9 decks
9%synergy
Staff of Domination
11%inclusion1 decks9 decks
9%synergy
God-Pharaoh's Statue
11%inclusion1 decks9 decks
9%synergy
Ichor Wellspring
11%inclusion1 decks9 decks
9%synergy
Elixir of Immortality
11%inclusion1 decks9 decks
8%synergy
Moonsilver Key
11%inclusion1 decks9 decks
8%synergy
Static Orb
11%inclusion1 decks9 decks
8%synergy
Mirage Mirror
11%inclusion1 decks9 decks
8%synergy
Ashnod's Altar
11%inclusion1 decks9 decks
8%synergy
Thousand-Year Elixir
11%inclusion1 decks9 decks
7%synergy
Chimil, the Inner Sun
11%inclusion1 decks9 decks
7%synergy
Panharmonicon
11%inclusion1 decks9 decks
7%synergy
Thopter Fabricator
11%inclusion1 decks9 decks
7%synergy
Winter Orb
11%inclusion1 decks9 decks
7%synergy
Welding Jar
11%inclusion1 decks9 decks
6%synergy
Aetherflux Reservoir
11%inclusion1 decks9 decks
5%synergy
Howling Mine
11%inclusion1 decks9 decks
4%synergy
Bident of Thassa
11%inclusion1 decks9 decks
-1%synergy
Enchantments
Copy Artifact
33%inclusion3 decks9 decks
30%synergy
Mirrormade
33%inclusion3 decks9 decks
28%synergy
Leyline of Anticipation
33%inclusion3 decks9 decks
24%synergy
Steal Enchantment
22%inclusion2 decks9 decks
21%synergy
Mind Over Matter
22%inclusion2 decks9 decks
20%synergy
Power Artifact
22%inclusion2 decks9 decks
20%synergy
Arcane Melee
11%inclusion1 decks9 decks
10%synergy
Copy Enchantment
11%inclusion1 decks9 decks
9%synergy
Coastal Piracy
11%inclusion1 decks9 decks
6%synergy
Kindred Discovery
11%inclusion1 decks9 decks
5%synergy
Back to Basics
11%inclusion1 decks9 decks
4%synergy
Training Grounds
11%inclusion1 decks9 decks
4%synergy
Unstoppable Plan
11%inclusion1 decks9 decks
4%synergy
Teferi's Ageless Insight
11%inclusion1 decks9 decks
-6%synergy
Planeswalkers
Narset, Parter of Veils
11%inclusion1 decks9 decks
0%synergy
Jace, Wielder of Mysteries
11%inclusion1 decks9 decks
-4%synergy
Utility Lands
City of Traitors
56%inclusion5 decks9 decks
54%synergy
Cephalid Coliseum
56%inclusion5 decks9 decks
46%synergy
Minamo, School at Water's Edge
56%inclusion5 decks9 decks
43%synergy
Seat of the Synod
56%inclusion5 decks9 decks
37%synergy
Otawara, Soaring City
56%inclusion5 decks9 decks
30%synergy
Uthros, Titanic Godcore
50%inclusion3 decks6 decks
40%synergy
Inventors' Fair
44%inclusion4 decks9 decks
31%synergy
Academy Ruins
44%inclusion4 decks9 decks
26%synergy
Crystal Vein
22%inclusion2 decks9 decks
20%synergy
Saprazzan Skerry
22%inclusion2 decks9 decks
19%synergy
Emergence Zone
22%inclusion2 decks9 decks
18%synergy
Darksteel Citadel
22%inclusion2 decks9 decks
11%synergy
War Room
22%inclusion2 decks9 decks
7%synergy
Zoetic Cavern
11%inclusion1 decks9 decks
11%synergy
Oboro, Palace in the Clouds
11%inclusion1 decks9 decks
10%synergy
Mishra's Factory
11%inclusion1 decks9 decks
10%synergy
Faerie Conclave
11%inclusion1 decks9 decks
9%synergy
Amonkhet Raceway
11%inclusion1 decks9 decks
9%synergy
Muraganda Raceway
11%inclusion1 decks9 decks
8%synergy
Treasure Vault
11%inclusion1 decks9 decks
8%synergy
Geier Reach Sanitarium
11%inclusion1 decks9 decks
8%synergy
Remote Isle
11%inclusion1 decks9 decks
6%synergy
Tolaria West
11%inclusion1 decks9 decks
6%synergy
Scavenger Grounds
11%inclusion1 decks9 decks
4%synergy
Halimar Depths
11%inclusion1 decks9 decks
1%synergy
Temple of the False God
11%inclusion1 decks9 decks
1%synergy
Rivendell
11%inclusion1 decks9 decks
0%synergy
Lonely Sandbar
11%inclusion1 decks9 decks
-3%synergy
Nykthos, Shrine to Nyx
11%inclusion1 decks9 decks
-5%synergy
Mystic Sanctuary
11%inclusion1 decks9 decks
-39%synergy
Reliquary Tower
11%inclusion1 decks9 decks
-45%synergy
Mana Artifacts
Arcane Signet
100%inclusion9 decks9 decks
35%synergy
Sol Ring
100%inclusion9 decks9 decks
15%synergy
Basalt Monolith
78%inclusion7 decks9 decks
68%synergy
Lotus Petal
78%inclusion7 decks9 decks
66%synergy
Jeweled Amulet
67%inclusion6 decks9 decks
63%synergy
Mox Opal
56%inclusion5 decks9 decks
46%synergy
Everflowing Chalice
56%inclusion5 decks9 decks
39%synergy
Liquimetal Torque
33%inclusion3 decks9 decks
27%synergy
Fellwar Stone
33%inclusion3 decks9 decks
14%synergy
Mind Stone
33%inclusion3 decks9 decks
-2%synergy
Springleaf Drum
22%inclusion2 decks9 decks
19%synergy
Mox Amber
22%inclusion2 decks9 decks
15%synergy
Thought Vessel
22%inclusion2 decks9 decks
-29%synergy
Chromatic Sphere
11%inclusion1 decks9 decks
9%synergy
Chromatic Orrery
11%inclusion1 decks9 decks
9%synergy
Chromatic Star
11%inclusion1 decks9 decks
9%synergy
Paradise Mantle
11%inclusion1 decks9 decks
8%synergy
Machine God's Effigy
11%inclusion1 decks9 decks
8%synergy
Hedron Archive
11%inclusion1 decks9 decks
5%synergy
Extraplanar Lens
11%inclusion1 decks9 decks
3%synergy
Gilded Lotus
11%inclusion1 decks9 decks
0%synergy
Caged Sun
11%inclusion1 decks9 decks
0%synergy
Thran Dynamo
11%inclusion1 decks9 decks
-2%synergy
Sky Diamond
11%inclusion1 decks9 decks
-12%synergy
Lands
Gemstone Caverns
56%inclusion5 decks9 decks
49%synergy
Scalding Tarn
44%inclusion4 decks9 decks
37%synergy
Flooded Strand
44%inclusion4 decks9 decks
36%synergy
Prismatic Vista
33%inclusion3 decks9 decks
29%synergy
Misty Rainforest
33%inclusion3 decks9 decks
26%synergy
Polluted Delta
33%inclusion3 decks9 decks
25%synergy
Talon Gates of Madara
22%inclusion2 decks9 decks
19%synergy
Command Tower
11%inclusion1 decks9 decks
7%synergy
Myriad Landscape
11%inclusion1 decks9 decks
-14%synergy