Karn, Silver Golem + Doubling Cube + Umbral Mantle
Karn, Silver Golem
Doubling Cube
Umbral Mantle
Requires
Karn, Silver Golem must be on the battlefield.
Doubling Cube must be on the battlefield.
Umbral Mantle must be on the battlefield.
Doubling Cube does not have summoning sickness.
Mana needed: 
Steps
- Activate Karn by paying
, causing Doubling Cube to become an artifact creature until end of turn. - Activate Umbral Mantle's equip ability by paying
, attaching it to Doubling Cube. - Float at least in your mana pool.
- Activate Doubling Cube by paying
and tapping it, adding at least 
. - Activate Doubling Cube by paying and untapping it, giving it +2/+2 until end of turn.
- Repeat from step 4.
Results
Infinitely large Doubling Cube until end of turn. Infinite mana permanents you control can produce.
Marvin, Murderous Mimic
0.56% of 716 decks
4 decks
Top Commanders
Karn, Silver Golem
1.04% of 1055 decks
11 decks
The Peregrine Dynamo
1.20% of 664 decks
8 decks
Karn, Legacy Reforged
0.12% of 4063 decks
5 decks
Omarthis, Ghostfire Initiate
0.11% of 1796 decks
2 decks
Zirda, the Dawnwaker
0.11% of 1744 decks
2 decks
Kozilek, the Great Distortion
0.03% of 6127 decks
2 decks
Kozilek, Butcher of Truth
0.11% of 890 decks
1 decks
Liberator, Urza's Battlethopter
0.03% of 3039 decks
1 decks
Syr Ginger, the Meal Ender
0.05% of 1989 decks
1 decks
Agatha of the Vile Cauldron
0.02% of 4015 decks
1 decks
Graaz, Unstoppable Juggernaut
0.03% of 3611 decks
1 decks
Oswald Fiddlebender
0.06% of 1791 decks
1 decks
Slobad, Iron Goblin
0.18% of 548 decks
1 decks
D00-DL, Caricaturist
1.89% of 53 decks
1 decks
High Synergy Cards
Voltaic Construct
86% of 42 decks
+86% synergy
Mystic Forge
88% of 42 decks
+85% synergy
Foundry Inspector
88% of 42 decks
+84% synergy
Rings of Brighthearth
83% of 42 decks
+82% synergy
Forsaken Monument
83% of 42 decks
+82% synergy
Voltaic Key
81% of 42 decks
+80% synergy
Karn, the Great Creator
79% of 42 decks
+77% synergy
Staff of Domination
79% of 42 decks
+77% synergy
Clock of Omens
76% of 42 decks
+75% synergy
Inventors' Fair
79% of 42 decks
+75% synergy
Top Cards
Thran Dynamo
90% of 42 decks
+86% synergy
Basalt Monolith
88% of 42 decks
+85% synergy
Everflowing Chalice
76% of 42 decks
+72% synergy
Sensei's Divining Top
76% of 42 decks
+71% synergy
Metalworker
74% of 42 decks
+73% synergy
Ugin, the Ineffable
74% of 42 decks
+72% synergy
Krark-Clan Ironworks
69% of 42 decks
+68% synergy
Mana Vault
69% of 42 decks
+63% synergy
Unwinding Clock
64% of 42 decks
+62% synergy
Manifold Key
60% of 42 decks
+58% synergy
Creatures
Palladium Myr
60% of 42 decks
+57% synergy
Glaring Fleshraker
56% of 9 decks
+53% synergy
Liberator, Urza's Battlethopter
51% of 39 decks
+50% synergy
Scrap Trawler
48% of 42 decks
+46% synergy
Walking Ballista
48% of 42 decks
+45% synergy
Karn, Legacy Reforged
42% of 33 decks
+42% synergy
Cogwork Assembler
40% of 42 decks
+40% synergy
Myr Retriever
40% of 42 decks
+38% synergy
Kuldotha Forgemaster
38% of 42 decks
+37% synergy
Mycosynth Golem
33% of 42 decks
+33% synergy
Syr Ginger, the Meal Ender
33% of 24 decks
+32% synergy
Jhoira's Familiar
31% of 42 decks
+29% synergy
Myr Battlesphere
31% of 42 decks
+29% synergy
Junk Diver
29% of 42 decks
+28% synergy
Coretapper
26% of 42 decks
+26% synergy
Scarecrone
26% of 42 decks
+26% synergy
Myr Welder
26% of 42 decks
+26% synergy
Myr Galvanizer
26% of 42 decks
+26% synergy
Blightsteel Colossus
26% of 42 decks
+25% synergy
Wurmcoil Engine
26% of 42 decks
+24% synergy
Toymaker
24% of 42 decks
+24% synergy
Cathodion
24% of 42 decks
+24% synergy
Hedron Crawler
24% of 42 decks
+23% synergy
Shimmer Myr
24% of 42 decks
+22% synergy
Skittering Cicada
23% of 30 decks
+22% synergy
Crackdown Construct
19% of 42 decks
+19% synergy
Dross Scorpion
19% of 42 decks
+19% synergy
Manakin
19% of 42 decks
+19% synergy
Millikin
19% of 42 decks
+18% synergy
Plague Myr
19% of 42 decks
+18% synergy
Kozilek, Butcher of Truth
19% of 42 decks
+17% synergy
Wandering Archaic
17% of 41 decks
+15% synergy
Spawnsire of Ulamog
17% of 42 decks
+17% synergy
Soul of New Phyrexia
17% of 42 decks
+16% synergy
Endbringer
17% of 42 decks
+16% synergy
Phyrexian Triniform
15% of 41 decks
+14% synergy
Painter's Servant
14% of 42 decks
+14% synergy
Scrapyard Recombiner
14% of 42 decks
+14% synergy
Pili-Pala
14% of 42 decks
+14% synergy
Metalwork Colossus
14% of 42 decks
+13% synergy
Cryptothrall
13% of 39 decks
+12% synergy
Triplicate Titan
12% of 41 decks
+11% synergy
Cryptic Trilobite
12% of 42 decks
+12% synergy
Workshop Assistant
12% of 42 decks
+11% synergy
Stuffy Doll
12% of 42 decks
+11% synergy
Ulamog, the Infinite Gyre
12% of 42 decks
+10% synergy
Su-Chi
10% of 42 decks
+10% synergy
Arcbound Crusher
10% of 42 decks
+9% synergy
Lodestone Golem
10% of 42 decks
+9% synergy
Darksteel Colossus
10% of 42 decks
+9% synergy
Instants
Swords to Plowshares
100% of 3 decks
+37% synergy
Null Elemental Blast
55% of 11 decks
+53% synergy
Eldritch Immunity
33% of 9 decks
+32% synergy
Warping Wail
21% of 42 decks
+21% synergy
Desecrate Reality
17% of 30 decks
+16% synergy
Spatial Contortion
14% of 42 decks
+14% synergy
Scour from Existence
10% of 42 decks
+9% synergy
Not of This World
10% of 42 decks
+9% synergy
Sorceries
All Is Dust
43% of 42 decks
+41% synergy
Introduction to Annihilation
15% of 41 decks
+14% synergy
Rise of the Eldrazi
13% of 30 decks
+12% synergy
Utility Artifacts
Chimil, the Inner Sun
55% of 20 decks
+53% synergy
Sculpting Steel
55% of 42 decks
+53% synergy
The One Ring
53% of 36 decks
+44% synergy
Ashnod's Altar
52% of 42 decks
+45% synergy
Heartstone
48% of 42 decks
+47% synergy
Cloud Key
48% of 42 decks
+46% synergy
Mycosynth Lattice
43% of 42 decks
+42% synergy
Darksteel Forge
43% of 42 decks
+42% synergy
Lithoform Engine
43% of 42 decks
+41% synergy
Expedition Map
40% of 42 decks
+37% synergy
Planar Bridge
38% of 42 decks
+38% synergy
Spine of Ish Sah
36% of 42 decks
+35% synergy
Magistrate's Scepter
33% of 42 decks
+33% synergy
Hedron Archive
33% of 42 decks
+30% synergy
Aetherflux Reservoir
33% of 42 decks
+30% synergy
Contagion Engine
31% of 42 decks
+30% synergy
Lightning Greaves
31% of 42 decks
+6% synergy
Realmbreaker, the Invasion Tree
30% of 33 decks
+29% synergy
Moonsilver Key
30% of 40 decks
+29% synergy
Animation Module
29% of 42 decks
+28% synergy
Mirage Mirror
29% of 42 decks
+27% synergy
Strionic Resonator
29% of 42 decks
+25% synergy
Nim Deathmantle
26% of 42 decks
+25% synergy
Mirrorworks
26% of 42 decks
+25% synergy
Nevinyrral's Disk
26% of 42 decks
+25% synergy
Maskwood Nexus
24% of 41 decks
+22% synergy
Memory Jar
24% of 42 decks
+24% synergy
Helm of the Host
24% of 42 decks
+21% synergy
Energy Chamber
21% of 42 decks
+21% synergy
Sword of the Paruns
21% of 42 decks
+21% synergy
Helm of Awakening
21% of 42 decks
+21% synergy
Rocket Launcher
19% of 42 decks
+19% synergy
Blasting Station
19% of 42 decks
+18% synergy
The Immortal Sun
19% of 42 decks
+18% synergy
Tamiyo's Journal
19% of 42 decks
+18% synergy
Mind's Eye
19% of 42 decks
+18% synergy
Commander's Plate
17% of 41 decks
+15% synergy
Gonti's Aether Heart
17% of 42 decks
+16% synergy
Grinding Station
17% of 42 decks
+16% synergy
Semblance Anvil
17% of 42 decks
+16% synergy
Blade of Selves
17% of 42 decks
+15% synergy
Horizon Stone
15% of 41 decks
+14% synergy
Sands of Time
14% of 42 decks
+14% synergy
Goblin Cannon
14% of 42 decks
+14% synergy
Salvaging Station
14% of 42 decks
+14% synergy
Grindstone
14% of 42 decks
+14% synergy
Myr Turbine
14% of 42 decks
+14% synergy
Torpor Orb
14% of 42 decks
+14% synergy
Genesis Chamber
14% of 42 decks
+14% synergy
Illusionist's Bracers
14% of 42 decks
+13% synergy
Enchantments
Echoes of Eternity
36% of 11 decks
+35% synergy
Planeswalkers
Karn, Living Legacy
35% of 40 decks
+34% synergy
Ugin, the Spirit Dragon
29% of 42 decks
+27% synergy
Karn Liberated
14% of 42 decks
+14% synergy
Karn, Scion of Urza
7% of 42 decks
+7% synergy
Utility Lands
Buried Ruin
76% of 42 decks
+71% synergy
War Room
71% of 41 decks
+64% synergy
Thespian's Stage
62% of 42 decks
+59% synergy
Deserted Temple
60% of 42 decks
+59% synergy
Urza's Saga
59% of 41 decks
+51% synergy
Urza's Power Plant
57% of 42 decks
+55% synergy
Urza's Mine
57% of 42 decks
+55% synergy
Urza's Tower
57% of 42 decks
+55% synergy
Ancient Tomb
57% of 42 decks
+47% synergy
Scorched Ruins
55% of 42 decks
+55% synergy
Darksteel Citadel
55% of 42 decks
+51% synergy
Sanctum of Ugin
48% of 42 decks
+47% synergy
Crystal Vein
48% of 42 decks
+47% synergy
Urza's Workshop
44% of 39 decks
+43% synergy
Shrine of the Forsaken Gods
43% of 42 decks
+41% synergy
Command Beacon
43% of 42 decks
+38% synergy
Reliquary Tower
43% of 42 decks
+13% synergy
Zhalfirin Void
40% of 42 decks
+40% synergy
Mishra's Workshop
38% of 42 decks
+38% synergy
Mikokoro, Center of the Sea
38% of 42 decks
+36% synergy
Bonders' Enclave
38% of 42 decks
+36% synergy
Emergence Zone
36% of 42 decks
+33% synergy
Karn's Bastion
36% of 42 decks
+31% synergy
Fomori Vault
33% of 12 decks
+32% synergy
Strip Mine
33% of 42 decks
+30% synergy
Geier Reach Sanitarium
33% of 42 decks
+30% synergy
Blasted Landscape
29% of 42 decks
+28% synergy
Blast Zone
29% of 42 decks
+27% synergy
Rogue's Passage
29% of 42 decks
+9% synergy
Petrified Field
26% of 42 decks
+26% synergy
Miren, the Moaning Well
26% of 42 decks
+26% synergy
Haunted Fengraf
26% of 42 decks
+26% synergy
Treasure Vault
24% of 41 decks
+22% synergy
Sequestered Stash
24% of 42 decks
+24% synergy
Wasteland
24% of 42 decks
+22% synergy
City of Traitors
21% of 42 decks
+21% synergy
Arcane Lighthouse
21% of 42 decks
+20% synergy
Scavenger Grounds
21% of 42 decks
+18% synergy
Urza's Factory
19% of 42 decks
+19% synergy
Cryptic Caves
19% of 42 decks
+19% synergy
Tomb of the Spirit Dragon
19% of 42 decks
+18% synergy
Vesuva
19% of 42 decks
+18% synergy
Nesting Grounds
19% of 42 decks
+18% synergy
Temple of the False God
19% of 42 decks
+9% synergy
Ominous Cemetery
18% of 22 decks
+18% synergy
Underdark Rift
17% of 41 decks
+17% synergy
High Market
17% of 42 decks
+14% synergy
Gods' Eye, Gate to the Reikai
14% of 42 decks
+14% synergy
Nephalia Academy
14% of 42 decks
+14% synergy
Mystifying Maze
14% of 42 decks
+14% synergy
Mana Artifacts
Sol Ring
100% of 42 decks
+16% synergy
Mind Stone
60% of 42 decks
+42% synergy
Grim Monolith
57% of 42 decks
+55% synergy
Thought Vessel
50% of 42 decks
+33% synergy
Mana Crypt
45% of 42 decks
+37% synergy
Dreamstone Hedron
43% of 42 decks
+42% synergy
Worn Powerstone
40% of 42 decks
+38% synergy
Liquimetal Torque
39% of 41 decks
+35% synergy
Chromatic Orrery
33% of 42 decks
+32% synergy
Mox Opal
31% of 42 decks
+27% synergy
Gilded Lotus
29% of 42 decks
+25% synergy
Jeweled Lotus
22% of 41 decks
+16% synergy
Mox Diamond
21% of 42 decks
+17% synergy
The Irencrag
21% of 24 decks
+20% synergy
The Mightstone and Weakstone
21% of 39 decks
+20% synergy
Empowered Autogenerator
17% of 42 decks
+16% synergy
Powerstone Shard
14% of 42 decks
+14% synergy
Blinkmoth Urn
14% of 42 decks
+14% synergy
Honor-Worn Shaku
14% of 42 decks
+14% synergy
Stonespeaker Crystal
12% of 40 decks
+12% synergy
Fellwar Stone
12% of 42 decks
-9% synergy
Thran Turbine
10% of 42 decks
+9% synergy
Paradise Mantle
10% of 42 decks
+9% synergy
Coveted Jewel
10% of 42 decks
+8% synergy
Lion's Eye Diamond
10% of 42 decks
+8% synergy
Lotus Petal
10% of 42 decks
+3% synergy
Arcane Signet
7% of 42 decks
-65% synergy
Lands
The Mycosynth Gardens
58% of 36 decks
+56% synergy
Urza's Cave
55% of 11 decks
+50% synergy
Gallifrey Council Chamber
35% of 23 decks
+34% synergy
Crystal Grotto
28% of 40 decks
+27% synergy
The Grey Havens
26% of 31 decks
+24% synergy
Hall of Tagsin
26% of 39 decks
+25% synergy
Cavern of Souls
21% of 42 decks
+15% synergy
Gemstone Caverns
14% of 42 decks
+9% synergy
Demolition Field
13% of 39 decks
+10% synergy
Mirrex
11% of 36 decks
+10% synergy
Plaza of Heroes
10% of 40 decks
+7% synergy
Power Depot
7% of 41 decks
+7% synergy