Myr Welder + Umbral Mantle + Empowered Autogenerator

Myr Welder
Umbral Mantle
Empowered Autogenerator

Requires
Myr Welder must be on the battlefield. Umbral Mantle must be on the battlefield. Empowered Autogenerator must be in exile (exiled by Myr Welder). Umbral Mantle attached to Myr Welder. Myr Welder does not have summoning sickness. Mana needed: 3
Steps
  1. Activate Myr Welder using Empowered Autogenerator's ability by tapping it, putting a charge counter on Myr Welder and adding one mana of any color for each charge counter on Myr Welder.
  2. Activate Myr Welder by paying 3 and untapping it, giving it +2/+2 until end of turn.
  3. Repeat.
Results
Infinite charge counters on Myr Welder. Infinite colored mana. Infinitely large Myr Welder until end of turn.

Karn, Legacy Reforged
0.09% of 3524 decks 3 decks
High Synergy Cards
Basalt Monolith
92% of 24 decks +89% synergy
Voltaic Construct
75% of 24 decks +75% synergy
Rings of Brighthearth
75% of 24 decks +73% synergy
Staff of Domination
75% of 24 decks +73% synergy
Palladium Myr
75% of 24 decks +73% synergy
Thran Dynamo
75% of 24 decks +70% synergy
Forsaken Monument
71% of 24 decks +69% synergy
Clock of Omens
67% of 24 decks +66% synergy
Krark-Clan Ironworks
67% of 24 decks +66% synergy
Voltaic Key
62% of 24 decks +62% synergy
Top Cards
Ashnod's Altar
67% of 24 decks +59% synergy
Sculpting Steel
62% of 24 decks +60% synergy
Unwinding Clock
62% of 24 decks +60% synergy
Foundry Inspector
62% of 24 decks +58% synergy
Metalworker
58% of 24 decks +58% synergy
Nim Deathmantle
58% of 24 decks +58% synergy
Karn, the Great Creator
58% of 24 decks +57% synergy
Enlightened Tutor
57% of 7 decks +49% synergy
Jhoira's Familiar
54% of 24 decks +52% synergy
Myr Retriever
54% of 24 decks +52% synergy
Creatures
Mycosynth Golem
46% of 24 decks +45% synergy
Myr Battlesphere
46% of 24 decks +44% synergy
Kiki-Jiki, Mirror Breaker
43% of 7 decks +41% synergy
Scrap Trawler
42% of 24 decks +40% synergy
Crackdown Construct
38% of 24 decks +37% synergy
Cathodion
38% of 24 decks +37% synergy
Dross Scorpion
38% of 24 decks +37% synergy
Myr Galvanizer
38% of 24 decks +37% synergy
Junk Diver
38% of 24 decks +37% synergy
Wurmcoil Engine
38% of 24 decks +36% synergy
Coretapper
33% of 24 decks +33% synergy
Karn, Silver Golem
29% of 24 decks +29% synergy
Alloy Myr
29% of 24 decks +29% synergy
Arcbound Crusher
25% of 24 decks +25% synergy
Blightsteel Colossus
25% of 24 decks +23% synergy
Myr Kinsmith
23% of 13 decks +23% synergy
Phyrexian Triniform
22% of 23 decks +21% synergy
Painter's Servant
21% of 24 decks +21% synergy
Pili-Pala
21% of 24 decks +20% synergy
Stuffy Doll
21% of 24 decks +20% synergy
Shimmer Myr
21% of 24 decks +19% synergy
Walking Ballista
21% of 24 decks +18% synergy
Ancestral Statue
17% of 24 decks +16% synergy
Kuldotha Forgemaster
17% of 24 decks +16% synergy
Steel Overseer
17% of 24 decks +15% synergy
Kozilek, Butcher of Truth
17% of 24 decks +15% synergy
Meteor Golem
17% of 24 decks +14% synergy
Solemn Simulacrum
17% of 24 decks +3% synergy
Triplicate Titan
13% of 23 decks +12% synergy
Pentavus
12% of 24 decks +12% synergy
Myr Propagator
12% of 24 decks +12% synergy
Darksteel Colossus
12% of 24 decks +12% synergy
Workshop Assistant
12% of 24 decks +12% synergy
Metalwork Colossus
12% of 24 decks +12% synergy
Duplicant
12% of 24 decks +11% synergy
Plague Myr
12% of 24 decks +11% synergy
Instants
Warping Wail
17% of 24 decks +16% synergy
Sorceries
All Is Dust
21% of 24 decks +19% synergy
Utility Artifacts
Sensei's Divining Top
54% of 24 decks +48% synergy
Myr Turbine
50% of 24 decks +50% synergy
Mystic Forge
50% of 24 decks +47% synergy
Aetherflux Reservoir
46% of 24 decks +42% synergy
Blasting Station
42% of 24 decks +41% synergy
Mycosynth Lattice
42% of 24 decks +41% synergy
Helm of Awakening
42% of 24 decks +41% synergy
Darksteel Forge
42% of 24 decks +40% synergy
Cloud Key
42% of 24 decks +40% synergy
Magistrate's Scepter
38% of 24 decks +37% synergy
Heartstone
38% of 24 decks +37% synergy
Nevinyrral's Disk
38% of 24 decks +36% synergy
Mirrorworks
33% of 24 decks +33% synergy
The Immortal Sun
33% of 24 decks +33% synergy
Spine of Ish Sah
33% of 24 decks +32% synergy
Lightning Greaves
33% of 24 decks +8% synergy
Grinding Station
29% of 24 decks +29% synergy
Manifold Key
29% of 24 decks +28% synergy
Moonsilver Key
27% of 22 decks +26% synergy
Flayer Husk
25% of 24 decks +25% synergy
Animation Module
25% of 24 decks +25% synergy
Doubling Cube
25% of 24 decks +24% synergy
Thornbite Staff
25% of 24 decks +24% synergy
Expedition Map
25% of 24 decks +22% synergy
Salvaging Station
21% of 24 decks +21% synergy
Summoning Station
21% of 24 decks +21% synergy
Grindstone
21% of 24 decks +21% synergy
Pariah's Shield
21% of 24 decks +21% synergy
Genesis Chamber
21% of 24 decks +20% synergy
Contagion Engine
21% of 24 decks +20% synergy
Mesmeric Orb
21% of 24 decks +19% synergy
Lithoform Engine
21% of 24 decks +19% synergy
Mirage Mirror
21% of 24 decks +19% synergy
Helm of the Host
21% of 24 decks +18% synergy
Horizon Stone
17% of 23 decks +17% synergy
Commander's Plate
17% of 23 decks +15% synergy
Strionic Resonator
17% of 24 decks +13% synergy
Phyrexian Altar
17% of 24 decks +12% synergy
Skullclamp
17% of 24 decks +4% synergy
Mirror Box
14% of 22 decks +13% synergy
Energy Chamber
12% of 24 decks +12% synergy
Prototype Portal
12% of 24 decks +12% synergy
Gonti's Aether Heart
12% of 24 decks +12% synergy
Viridian Longbow
12% of 24 decks +12% synergy
Magewright's Stone
12% of 24 decks +12% synergy
Blade of the Bloodchief
12% of 24 decks +12% synergy
Semblance Anvil
12% of 24 decks +12% synergy
Mind's Eye
12% of 24 decks +12% synergy
Blade of Selves
12% of 24 decks +11% synergy
Scroll Rack
12% of 24 decks +11% synergy
Planeswalkers
Ugin, the Ineffable
33% of 24 decks +31% synergy
Karn, Living Legacy
19% of 21 decks +18% synergy
Karn, Scion of Urza
12% of 24 decks +12% synergy
Utility Lands
Reliquary Tower
58% of 24 decks +29% synergy
Urza's Power Plant
54% of 24 decks +52% synergy
Urza's Tower
54% of 24 decks +52% synergy
Urza's Mine
54% of 24 decks +52% synergy
Inventors' Fair
54% of 24 decks +50% synergy
Urza's Saga
52% of 23 decks +45% synergy
Scorched Ruins
46% of 24 decks +46% synergy
Darksteel Citadel
46% of 24 decks +42% synergy
Urza's Workshop
44% of 18 decks +43% synergy
Deserted Temple
42% of 24 decks +41% synergy
Shrine of the Forsaken Gods
42% of 24 decks +40% synergy
Ancient Tomb
38% of 24 decks +27% synergy
Zhalfirin Void
33% of 24 decks +32% synergy
Thespian's Stage
29% of 24 decks +27% synergy
Buried Ruin
29% of 24 decks +24% synergy
Temple of the False God
29% of 24 decks +19% synergy
Urza's Factory
25% of 24 decks +25% synergy
Sanctum of Ugin
25% of 24 decks +24% synergy
War Room
22% of 23 decks +15% synergy
Blasted Landscape
21% of 24 decks +20% synergy
Tomb of the Spirit Dragon
21% of 24 decks +20% synergy
Mikokoro, Center of the Sea
21% of 24 decks +19% synergy
Rogue's Passage
21% of 24 decks +2% synergy
Guildless Commons
17% of 23 decks +16% synergy
Radiant Fountain
17% of 24 decks +16% synergy
Bonders' Enclave
17% of 24 decks +14% synergy
Strip Mine
17% of 24 decks +14% synergy
Geier Reach Sanitarium
17% of 24 decks +13% synergy
Karn's Bastion
17% of 24 decks +12% synergy
Tyrite Sanctum
13% of 23 decks +11% synergy
Nephalia Academy
12% of 24 decks +12% synergy
Endless Sands
12% of 24 decks +12% synergy
Labyrinth of Skophos
12% of 24 decks +12% synergy
Detection Tower
12% of 24 decks +12% synergy
Glacial Chasm
12% of 24 decks +12% synergy
Crystal Vein
12% of 24 decks +12% synergy
Wasteland
12% of 24 decks +11% synergy
Ghost Quarter
12% of 24 decks +10% synergy
High Market
12% of 24 decks +9% synergy
Command Beacon
12% of 24 decks +8% synergy
Mana Artifacts
Sol Ring
92% of 24 decks +7% synergy
Everflowing Chalice
50% of 24 decks +45% synergy
Chromatic Orrery
46% of 24 decks +44% synergy
Grim Monolith
46% of 24 decks +44% synergy
Hedron Archive
42% of 24 decks +39% synergy
Mana Crypt
42% of 24 decks +31% synergy
Dreamstone Hedron
38% of 24 decks +36% synergy
Gilded Lotus
38% of 24 decks +34% synergy
Worn Powerstone
33% of 24 decks +31% synergy
Mana Vault
33% of 24 decks +27% synergy
Thought Vessel
29% of 24 decks +13% synergy
Mind Stone
25% of 24 decks +7% synergy
Paradise Mantle
21% of 24 decks +20% synergy
Arcane Signet
21% of 24 decks -51% synergy
Liquimetal Torque
17% of 23 decks +14% synergy
Blinkmoth Urn
17% of 24 decks +16% synergy
Mox Opal
17% of 24 decks +12% synergy
Nyx Lotus
12% of 24 decks +11% synergy
Fellwar Stone
12% of 24 decks -8% synergy
Lands
The Mycosynth Gardens
27% of 15 decks +24% synergy
Command Tower
21% of 24 decks -53% synergy