Urza, Prince of Kroog
Metalworker
Ring of Valkas

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You have at least three artifact cards in hand.
1 if Metalworker has summoning sickness available

   Steps

How does this combo work?
1
If needed, activate Ring of Valkas' equip ability by paying 1, attaching it to Metalworker.
2
Activate Metalworker by tapping it and revealing at least four artifact cards from your hand, adding at least eight .
3
Activate Urza by paying 6, creating a token copy of Metalworker that is a 1/1 Soldier.
4
Activate Ring of Valkas' equip ability by paying 1, attaching it to the Metalworker token.
5
Repeat from step 2 using the Metalworker token instead.
6
Once you have infinite colorless mana, you may target any artifact you control to get infinite copies of them.

   Results

What do I get from this combo?
Infinite colorless mana
Infinite creature tokens
Infinite ETB
Infinite creature copies of artifacts you control
Infinite copies of artifacts you control
Urza, Prince of Kroog
0.1%inclusion2 decks2.51K decks
Sevinne, the Chronoclasm
0.1%inclusion1 decks920 decks
Creatures
Djinn Illuminatus
100%inclusion1 decks1 decks
100%synergy
Dualcaster Mage
100%inclusion1 decks1 decks
96%synergy
Goblin Electromancer
100%inclusion1 decks1 decks
91%synergy
Izzet Guildmage
100%inclusion1 decks1 decks
100%synergy
League Guildmage
100%inclusion1 decks1 decks
100%synergy
Melek, Reforged Researcher
100%inclusion1 decks1 decks
100%synergy
Nivix Guildmage
100%inclusion1 decks1 decks
100%synergy
Non-Human Cannonball
100%inclusion1 decks1 decks
100%synergy
Saheeli, the Sun's Brilliance
100%inclusion1 decks1 decks
99%synergy
Storm-Kiln Artist
100%inclusion1 decks1 decks
91%synergy
Veyran, Voice of Duality
100%inclusion1 decks1 decks
93%synergy
Padeem, Consul of Innovation
33%inclusion1 decks3 decks
30%synergy
Esper Sentinel
33%inclusion1 decks3 decks
14%synergy
Scrap Trawler
33%inclusion1 decks3 decks
32%synergy
Teshar, Ancestor's Apostle
33%inclusion1 decks3 decks
31%synergy
Palladium Myr
33%inclusion1 decks3 decks
31%synergy
Cathodion
33%inclusion1 decks3 decks
33%synergy
Myr Battlesphere
33%inclusion1 decks3 decks
32%synergy
Myr Retriever
33%inclusion1 decks3 decks
32%synergy
Sai, Master Thopterist
33%inclusion1 decks3 decks
30%synergy
Arcum Dagsson
33%inclusion1 decks3 decks
33%synergy
Liberator, Urza's Battlethopter
33%inclusion1 decks3 decks
32%synergy
Etherium Sculptor
33%inclusion1 decks3 decks
28%synergy
Memnite
33%inclusion1 decks3 decks
33%synergy
Canoptek Spyder
33%inclusion1 decks3 decks
33%synergy
Thought Monitor
33%inclusion1 decks3 decks
30%synergy
Precursor Golem
33%inclusion1 decks3 decks
33%synergy
Vedalken Archmage
33%inclusion1 decks3 decks
32%synergy
Junk Diver
33%inclusion1 decks3 decks
33%synergy
Salvager of Ruin
33%inclusion1 decks3 decks
33%synergy
Master Transmuter
33%inclusion1 decks3 decks
32%synergy
Foundry Inspector
33%inclusion1 decks3 decks
29%synergy
Urza, Lord High Artificer
33%inclusion1 decks3 decks
30%synergy
Oswald Fiddlebender
33%inclusion1 decks3 decks
32%synergy
Illustrious Wanderglyph
33%inclusion1 decks3 decks
31%synergy
Leonin Abunas
33%inclusion1 decks3 decks
33%synergy
Losheel, Clockwork Scholar
33%inclusion1 decks3 decks
31%synergy
Threefold Thunderhulk
33%inclusion1 decks3 decks
32%synergy
Ethersworn Canonist
33%inclusion1 decks3 decks
32%synergy
Treasure Mage
33%inclusion1 decks3 decks
33%synergy
Trophy Mage
33%inclusion1 decks3 decks
32%synergy
Kuldotha Forgemaster
33%inclusion1 decks3 decks
33%synergy
Drift of Phantasms
33%inclusion1 decks3 decks
32%synergy
Loyal Warhound
33%inclusion1 decks3 decks
31%synergy
Deep Gnome Terramancer
33%inclusion1 decks3 decks
32%synergy
Archmage Emeritus
33%inclusion1 decks3 decks
25%synergy
Celebr-8000
33%inclusion1 decks3 decks
33%synergy
Cogwork Assembler
33%inclusion1 decks3 decks
33%synergy
Echo Mage
33%inclusion1 decks3 decks
33%synergy
Robo-Piñata
33%inclusion1 decks3 decks
33%synergy
Instants
Fury Storm
100%inclusion1 decks1 decks
100%synergy
Galvanic Iteration
100%inclusion1 decks1 decks
97%synergy
Increasing Vengeance
100%inclusion1 decks1 decks
99%synergy
Whir of Invention
67%inclusion2 decks3 decks
64%synergy
Swords to Plowshares
67%inclusion2 decks3 decks
5%synergy
Counterspell
67%inclusion2 decks3 decks
25%synergy
Arcane Denial
33%inclusion1 decks3 decks
13%synergy
Negate
33%inclusion1 decks3 decks
12%synergy
Flawless Maneuver
33%inclusion1 decks3 decks
23%synergy
Dovin's Veto
33%inclusion1 decks3 decks
15%synergy
Cyclonic Rift
33%inclusion1 decks3 decks
10%synergy
Flusterstorm
33%inclusion1 decks3 decks
26%synergy
Enlightened Tutor
33%inclusion1 decks3 decks
18%synergy
Metallic Rebuke
33%inclusion1 decks3 decks
33%synergy
Dispatch
33%inclusion1 decks3 decks
28%synergy
Stoic Rebuttal
33%inclusion1 decks3 decks
33%synergy
Assert Authority
33%inclusion1 decks3 decks
33%synergy
Disruption Protocol
33%inclusion1 decks3 decks
33%synergy
Pull from Eternity
33%inclusion1 decks3 decks
33%synergy
Pull from Tomorrow
33%inclusion1 decks3 decks
30%synergy
Reset
33%inclusion1 decks3 decks
33%synergy
Think Twice
33%inclusion1 decks3 decks
32%synergy
Sorceries
Circuits Act
100%inclusion1 decks1 decks
100%synergy
Faithless Looting
100%inclusion1 decks1 decks
84%synergy
Mystic Retrieval
100%inclusion1 decks1 decks
99%synergy
Twinflame
100%inclusion1 decks1 decks
97%synergy
Organic Extinction
67%inclusion2 decks3 decks
64%synergy
Fabricate
33%inclusion1 decks3 decks
28%synergy
Reshape
33%inclusion1 decks3 decks
32%synergy
Clowning Around
33%inclusion1 decks3 decks
33%synergy
Deep Analysis
33%inclusion1 decks3 decks
31%synergy
Pull from the Deep
33%inclusion1 decks3 decks
33%synergy
Runic Repetition
33%inclusion1 decks3 decks
33%synergy
Sevinne's Reclamation
33%inclusion1 decks3 decks
26%synergy
Utility Artifacts
Heartstone
67%inclusion2 decks3 decks
66%synergy
Ashnod's Altar
67%inclusion2 decks3 decks
60%synergy
Lightning Greaves
67%inclusion2 decks3 decks
42%synergy
Thousand-Year Elixir
67%inclusion2 decks3 decks
65%synergy
Krark-Clan Ironworks
67%inclusion2 decks3 decks
66%synergy
Swiftfoot Boots
67%inclusion2 decks3 decks
39%synergy
Blasting Station
33%inclusion1 decks3 decks
33%synergy
Sculpting Steel
33%inclusion1 decks3 decks
31%synergy
Semblance Anvil
33%inclusion1 decks3 decks
33%synergy
Moonsilver Key
33%inclusion1 decks3 decks
32%synergy
Worldwalker Helm
33%inclusion1 decks3 decks
32%synergy
Mystic Forge
33%inclusion1 decks3 decks
30%synergy
Scourglass
33%inclusion1 decks3 decks
33%synergy
Tormod's Crypt
33%inclusion1 decks3 decks
32%synergy
Akroma's Memorial
33%inclusion1 decks3 decks
32%synergy
Doubling Cube
33%inclusion1 decks3 decks
33%synergy
Illusionist's Bracers
33%inclusion1 decks3 decks
32%synergy
Planar Bridge
33%inclusion1 decks3 decks
33%synergy
Strider Harness
33%inclusion1 decks3 decks
33%synergy
Chariot of Victory
33%inclusion1 decks3 decks
33%synergy
Unwinding Clock
33%inclusion1 decks3 decks
31%synergy
Rings of Brighthearth
33%inclusion1 decks3 decks
32%synergy
Archaeomancer's Map
33%inclusion1 decks3 decks
30%synergy
The Golden Throne
33%inclusion1 decks3 decks
33%synergy
The Enigma Jewel
33%inclusion1 decks3 decks
33%synergy
Lavaspur Boots
33%inclusion1 decks3 decks
32%synergy
Clown Car
33%inclusion1 decks3 decks
33%synergy
Dino DNA
33%inclusion1 decks3 decks
33%synergy
Elixir of Immortality
33%inclusion1 decks3 decks
32%synergy
Isochron Scepter
33%inclusion1 decks3 decks
31%synergy
Primal Amulet
33%inclusion1 decks3 decks
32%synergy
Twinning Staff
33%inclusion1 decks3 decks
32%synergy
Enchantments
There and Back Again
100%inclusion1 decks1 decks
98%synergy
Training Grounds
67%inclusion2 decks3 decks
64%synergy
Rhystic Study
33%inclusion1 decks3 decks
9%synergy
Mirrodin Besieged
33%inclusion1 decks3 decks
32%synergy
Mechanized Production
33%inclusion1 decks3 decks
30%synergy
Intruder Alarm
33%inclusion1 decks3 decks
31%synergy
Banish to Another Universe
33%inclusion1 decks3 decks
33%synergy
Freed from the Real
33%inclusion1 decks3 decks
31%synergy
Pemmin's Aura
33%inclusion1 decks3 decks
32%synergy
Secrets of the Dead
33%inclusion1 decks3 decks
32%synergy
Planeswalkers
Tezzeret the Seeker
33%inclusion1 decks3 decks
31%synergy
Utility Lands
Reliquary Tower
67%inclusion2 decks3 decks
37%synergy
Inventors' Fair
67%inclusion2 decks3 decks
63%synergy
Ancient Tomb
33%inclusion1 decks3 decks
24%synergy
Ancient Den
33%inclusion1 decks3 decks
28%synergy
Buried Ruin
33%inclusion1 decks3 decks
29%synergy
Academy Ruins
33%inclusion1 decks3 decks
28%synergy
Seat of the Synod
33%inclusion1 decks3 decks
27%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
28%synergy
Sol Ring
100%inclusion3 decks3 decks
16%synergy
Boros Signet
100%inclusion1 decks1 decks
80%synergy
Izzet Signet
100%inclusion1 decks1 decks
75%synergy
Talisman of Creativity
100%inclusion1 decks1 decks
71%synergy
Coveted Jewel
67%inclusion2 decks3 decks
66%synergy
Talisman of Progress
67%inclusion2 decks3 decks
41%synergy
Chromatic Orrery
67%inclusion2 decks3 decks
65%synergy
Thran Dynamo
67%inclusion2 decks3 decks
62%synergy
Gilded Lotus
67%inclusion2 decks3 decks
64%synergy
Fellwar Stone
67%inclusion2 decks3 decks
46%synergy
Azorius Signet
67%inclusion2 decks3 decks
44%synergy
Mox Opal
33%inclusion1 decks3 decks
29%synergy
Liquimetal Torque
33%inclusion1 decks3 decks
31%synergy
Powerstone Shard
33%inclusion1 decks3 decks
33%synergy
Basalt Monolith
33%inclusion1 decks3 decks
31%synergy
Nyx Lotus
33%inclusion1 decks3 decks
32%synergy
Caged Sun
33%inclusion1 decks3 decks
32%synergy
Mind Stone
33%inclusion1 decks3 decks
18%synergy
Dreamstone Hedron
33%inclusion1 decks3 decks
32%synergy
Gauntlet of Power
33%inclusion1 decks3 decks
33%synergy
Vexing Puzzlebox
33%inclusion1 decks3 decks
33%synergy
Five Hundred Year Diary
33%inclusion1 decks3 decks
33%synergy
Intelligence Bobblehead
33%inclusion1 decks3 decks
33%synergy
Perception Bobblehead
33%inclusion1 decks3 decks
33%synergy
Luck Bobblehead
33%inclusion1 decks3 decks
33%synergy
Charisma Bobblehead
33%inclusion1 decks3 decks
33%synergy
Strength Bobblehead
33%inclusion1 decks3 decks
33%synergy
Commander's Sphere
33%inclusion1 decks3 decks
21%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
26%synergy
Boros Garrison
100%inclusion1 decks1 decks
87%synergy
Izzet Boilerworks
100%inclusion1 decks1 decks
86%synergy
Mystic Monastery
100%inclusion1 decks1 decks
71%synergy
Raugrin Triome
100%inclusion1 decks1 decks
75%synergy
Exotic Orchard
67%inclusion2 decks3 decks
30%synergy
Prairie Stream
67%inclusion2 decks3 decks
33%synergy
Power Depot
33%inclusion1 decks3 decks
33%synergy
The Mycosynth Gardens
33%inclusion1 decks3 decks
32%synergy
Thriving Isle
33%inclusion1 decks3 decks
31%synergy
Hall of Tagsin
33%inclusion1 decks3 decks
33%synergy
Glacial Fortress
33%inclusion1 decks3 decks
1%synergy
Thriving Heath
33%inclusion1 decks3 decks
30%synergy
Adarkar Wastes
33%inclusion1 decks3 decks
10%synergy
Sea of Clouds
33%inclusion1 decks3 decks
9%synergy
Hallowed Fountain
33%inclusion1 decks3 decks
-6%synergy
Spire of Industry
33%inclusion1 decks3 decks
30%synergy
Mystic Gate
33%inclusion1 decks3 decks
26%synergy
Glimmervoid
33%inclusion1 decks3 decks
33%synergy
Seachrome Coast
33%inclusion1 decks3 decks
28%synergy
Hengegate Pathway
33%inclusion1 decks3 decks
27%synergy
Razortide Bridge
33%inclusion1 decks3 decks
27%synergy
Deserted Beach
33%inclusion1 decks3 decks
16%synergy
Azorius Chancery
33%inclusion1 decks3 decks
20%synergy
Evolving Wilds
33%inclusion1 decks3 decks
13%synergy