Urza, Prince of Kroog + Metalworker + Ring of Valkas

Urza, Prince of Kroog
Metalworker
Ring of Valkas

Requires
Urza, Prince of Kroog must be on the battlefield. Metalworker must be on the battlefield. Ring of Valkas must be on the battlefield. You have at least three artifact cards in hand. Mana needed: 1 if Metalworker has summoning sickness
Steps
  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
Infinite colorless mana. Infinite copies of each artifact you control. Infinite creature tokens. Infinite ETB.

Urza, Prince of Kroog
0.08% of 2658 decks 2 decks
Sevinne, the Chronoclasm
0.11% of 899 decks 1 decks
Creatures
Non-Human Cannonball
100% of 1 decks +100% synergy
Izzet Guildmage
100% of 1 decks +100% synergy
League Guildmage
100% of 1 decks +100% synergy
Djinn Illuminatus
100% of 1 decks +100% synergy
Nivix Guildmage
100% of 1 decks +100% synergy
Melek, Reforged Researcher
100% of 1 decks +99% synergy
Saheeli, the Sun's Brilliance
100% of 1 decks +98% synergy
Veyran, Voice of Duality
100% of 1 decks +95% synergy
Dualcaster Mage
100% of 1 decks +95% synergy
Storm-Kiln Artist
100% of 1 decks +91% synergy
Goblin Electromancer
100% of 1 decks +91% synergy
Robo-Piñata
50% of 2 decks +50% synergy
Su-Chi Cave Guard
50% of 2 decks +50% synergy
Celebr-8000
50% of 2 decks +50% synergy
Deep Gnome Terramancer
50% of 2 decks +47% synergy
Cogwork Assembler
33% of 3 decks +33% synergy
Echo Mage
33% of 3 decks +33% synergy
Treasure Mage
33% of 3 decks +33% synergy
Memnarch
33% of 3 decks +33% synergy
Kuldotha Forgemaster
33% of 3 decks +32% synergy
Drift of Phantasms
33% of 3 decks +32% synergy
Steel Overseer
33% of 3 decks +32% synergy
Trophy Mage
33% of 3 decks +31% synergy
Loyal Warhound
33% of 3 decks +31% synergy
Gold Myr
33% of 3 decks +31% synergy
Silver Myr
33% of 3 decks +30% synergy
Sai, Master Thopterist
33% of 3 decks +30% synergy
Etherium Sculptor
33% of 3 decks +28% synergy
Archmage Emeritus
33% of 3 decks +25% synergy
Esper Sentinel
33% of 3 decks +13% synergy
Instants
Fury Storm
100% of 1 decks +99% synergy
Increasing Vengeance
100% of 1 decks +99% synergy
Galvanic Iteration
100% of 1 decks +98% synergy
Dispatch
67% of 3 decks +62% synergy
Counterspell
67% of 3 decks +24% synergy
Reset
33% of 3 decks +33% synergy
Assert Authority
33% of 3 decks +33% synergy
Metallic Rebuke
33% of 3 decks +33% synergy
Pull from Eternity
33% of 3 decks +33% synergy
Stoic Rebuttal
33% of 3 decks +33% synergy
Disruption Protocol
33% of 3 decks +33% synergy
Think Twice
33% of 3 decks +33% synergy
Whir of Invention
33% of 3 decks +30% synergy
Pull from Tomorrow
33% of 3 decks +30% synergy
Heliod's Intervention
33% of 3 decks +30% synergy
Dramatic Reversal
33% of 3 decks +28% synergy
Force of Negation
33% of 3 decks +24% synergy
Mystical Tutor
33% of 3 decks +18% synergy
Swan Song
33% of 3 decks +17% synergy
Dovin's Veto
33% of 3 decks +14% synergy
Teferi's Protection
33% of 3 decks +13% synergy
Brainstorm
33% of 3 decks +12% synergy
Generous Gift
33% of 3 decks +8% synergy
Cyclonic Rift
33% of 3 decks +5% synergy
Swords to Plowshares
33% of 3 decks -29% synergy
Sorceries
Circuits Act
100% of 1 decks +100% synergy
Mystic Retrieval
100% of 1 decks +98% synergy
Twinflame
100% of 1 decks +97% synergy
Faithless Looting
100% of 1 decks +83% synergy
Organic Extinction
67% of 3 decks +64% synergy
Fabricate
67% of 3 decks +61% synergy
Clowning Around
50% of 2 decks +50% synergy
Runic Repetition
33% of 3 decks +33% synergy
Pull from the Deep
33% of 3 decks +33% synergy
Open the Vaults
33% of 3 decks +32% synergy
Reshape
33% of 3 decks +32% synergy
Deep Analysis
33% of 3 decks +31% synergy
Rite of Replication
33% of 3 decks +30% synergy
Hour of Reckoning
33% of 3 decks +29% synergy
Dance of the Manse
33% of 3 decks +29% synergy
Sevinne's Reclamation
33% of 3 decks +26% synergy
Supreme Verdict
33% of 3 decks +19% synergy
Utility Artifacts
Lavaspur Boots
100% of 1 decks +98% synergy
Swiftfoot Boots
100% of 3 decks +72% synergy
Heartstone
67% of 3 decks +66% synergy
Krark-Clan Ironworks
67% of 3 decks +66% synergy
Rings of Brighthearth
67% of 3 decks +65% synergy
Thousand-Year Elixir
67% of 3 decks +64% synergy
Isochron Scepter
67% of 3 decks +64% synergy
Unwinding Clock
67% of 3 decks +64% synergy
Lightning Greaves
67% of 3 decks +41% synergy
Dino DNA
50% of 2 decks +50% synergy
Clown Car
50% of 2 decks +49% synergy
The Golden Throne
50% of 2 decks +49% synergy
The Enigma Jewel
50% of 2 decks +49% synergy
Strider Harness
33% of 3 decks +33% synergy
Summoning Station
33% of 3 decks +33% synergy
Chariot of Victory
33% of 3 decks +33% synergy
Gonti's Aether Heart
33% of 3 decks +33% synergy
Planar Bridge
33% of 3 decks +33% synergy
Liquimetal Coating
33% of 3 decks +33% synergy
Doubling Cube
33% of 3 decks +33% synergy
Mirrorworks
33% of 3 decks +33% synergy
Semblance Anvil
33% of 3 decks +33% synergy
Voltaic Key
33% of 3 decks +32% synergy
Twinning Staff
33% of 3 decks +32% synergy
Primal Amulet
33% of 3 decks +32% synergy
Illusionist's Bracers
33% of 3 decks +32% synergy
Akroma's Memorial
33% of 3 decks +32% synergy
Darksteel Forge
33% of 3 decks +32% synergy
Elixir of Immortality
33% of 3 decks +32% synergy
Mystic Forge
33% of 3 decks +30% synergy
Aetherflux Reservoir
33% of 3 decks +30% synergy
Archaeomancer's Map
33% of 3 decks +29% synergy
Ashnod's Altar
33% of 3 decks +26% synergy
Enchantments
There and Back Again
100% of 1 decks +98% synergy
Banish to Another Universe
50% of 2 decks +50% synergy
Secrets of the Dead
33% of 3 decks +33% synergy
Pemmin's Aura
33% of 3 decks +32% synergy
Tempered Steel
33% of 3 decks +32% synergy
Intruder Alarm
33% of 3 decks +31% synergy
Freed from the Real
33% of 3 decks +31% synergy
Mechanized Production
33% of 3 decks +31% synergy
Training Grounds
33% of 3 decks +31% synergy
Darksteel Mutation
33% of 3 decks +27% synergy
Anointed Procession
33% of 3 decks +24% synergy
Smothering Tithe
33% of 3 decks +8% synergy
Rhystic Study
33% of 3 decks +5% synergy
Planeswalkers
Tezzeret the Seeker
33% of 3 decks +31% synergy
Utility Lands
Ancient Den
67% of 3 decks +61% synergy
Seat of the Synod
67% of 3 decks +60% synergy
Treasure Vault
33% of 3 decks +31% synergy
Inventors' Fair
33% of 3 decks +29% synergy
Darksteel Citadel
33% of 3 decks +29% synergy
Academy Ruins
33% of 3 decks +28% synergy
Buried Ruin
33% of 3 decks +28% synergy
Eiganjo, Seat of the Empire
33% of 3 decks +24% synergy
Ancient Tomb
33% of 3 decks +23% synergy
Otawara, Soaring City
33% of 3 decks +16% synergy
Reliquary Tower
33% of 3 decks +4% synergy
Mana Artifacts
Perception Bobblehead
100% of 1 decks +100% synergy
Strength Bobblehead
100% of 1 decks +100% synergy
Charisma Bobblehead
100% of 1 decks +100% synergy
Luck Bobblehead
100% of 1 decks +99% synergy
Boros Signet
100% of 1 decks +76% synergy
Izzet Signet
100% of 1 decks +72% synergy
Talisman of Creativity
100% of 1 decks +71% synergy
Arcane Signet
100% of 3 decks +28% synergy
Sol Ring
100% of 3 decks +16% synergy
Chromatic Orrery
67% of 3 decks +65% synergy
Caged Sun
67% of 3 decks +64% synergy
Gilded Lotus
67% of 3 decks +63% synergy
Thran Dynamo
67% of 3 decks +62% synergy
Commander's Sphere
67% of 3 decks +51% synergy
Mind Stone
67% of 3 decks +49% synergy
Fellwar Stone
67% of 3 decks +46% synergy
Azorius Signet
67% of 3 decks +41% synergy
Intelligence Bobblehead
50% of 2 decks +50% synergy
Vexing Puzzlebox
50% of 2 decks +49% synergy
Five Hundred Year Diary
50% of 2 decks +49% synergy
Powerstone Shard
33% of 3 decks +33% synergy
Thran Turbine
33% of 3 decks +33% synergy
Gauntlet of Power
33% of 3 decks +32% synergy
Coveted Jewel
33% of 3 decks +32% synergy
Dreamstone Hedron
33% of 3 decks +32% synergy
Nyx Lotus
33% of 3 decks +32% synergy
Basalt Monolith
33% of 3 decks +31% synergy
Hedron Archive
33% of 3 decks +30% synergy
Liquimetal Torque
33% of 3 decks +30% synergy
Jeweled Lotus
33% of 3 decks +27% synergy
Thought Vessel
33% of 3 decks +17% synergy
Talisman of Progress
33% of 3 decks +11% synergy
Lands
Boros Garrison
100% of 1 decks +85% synergy
Izzet Boilerworks
100% of 1 decks +84% synergy
Mystic Monastery
100% of 1 decks +74% synergy
Raugrin Triome
100% of 1 decks +73% synergy
Prairie Stream
100% of 3 decks +66% synergy
Command Tower
100% of 3 decks +26% synergy
Mystic Gate
67% of 3 decks +61% synergy
Deserted Beach
67% of 3 decks +51% synergy
Hallowed Fountain
67% of 3 decks +26% synergy
Glimmervoid
33% of 3 decks +33% synergy
Spire of Industry
33% of 3 decks +30% synergy
Seachrome Coast
33% of 3 decks +29% synergy
Razortide Bridge
33% of 3 decks +26% synergy
Hengegate Pathway
33% of 3 decks +26% synergy
Flooded Strand
33% of 3 decks +23% synergy
Skycloud Expanse
33% of 3 decks +21% synergy
Azorius Chancery
33% of 3 decks +19% synergy
Port Town
33% of 3 decks +18% synergy
Adarkar Wastes
33% of 3 decks +16% synergy
Evolving Wilds
33% of 3 decks +12% synergy
Glacial Fortress
33% of 3 decks +8% synergy
Sea of Clouds
33% of 3 decks +7% synergy
Exotic Orchard
33% of 3 decks -2% synergy