Karn, Silver Golem
Doubling Cube
Umbral Mantle

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Doubling Cube does not have summoning sickness.
10 available

   Steps

How does this combo work?
1
Activate Karn by paying 1, causing Doubling Cube to become an artifact creature until end of turn.
2
Activate Umbral Mantle's equip ability by paying 0, attaching it to Doubling Cube.
3
Float at least 10 in your mana pool.
4
Activate Doubling Cube by paying 3 and tapping it, adding at least 7.
5
Activate Doubling Cube by paying 3 and untapping it, giving it +2/+2 until end of turn.
6
Repeat from step 4.

   Results

What do I get from this combo?
Infinite mana permanents you control can produce
Infinitely large creature until end of turn
Infinite untap of creatures you control
Infinite mana creatures you control can produce
Ozai, the Phoenix King
0.0%inclusion1 decks4.05K decks
Top Commanders
Karn, Silver Golem
1.4%inclusion15 decks1.03K decks
Marvin, Murderous Mimic
0.6%inclusion9 decks1.57K decks
The Peregrine Dynamo
0.9%inclusion9 decks949 decks
Omarthis, Ghostfire Initiate
0.2%inclusion5 decks2.38K decks
Karn, Legacy Reforged
0.1%inclusion4 decks5.44K decks
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0.1%inclusion2 decks2.08K decks
Memnarch
0.1%inclusion1 decks1.92K decks
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0.1%inclusion1 decks1.96K decks
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0.1%inclusion1 decks1.87K decks
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0.0%inclusion1 decks27.2K decks
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0.2%inclusion1 decks531 decks
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0.0%inclusion1 decks4.63K decks
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0.0%inclusion1 decks2.65K decks
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0.0%inclusion1 decks5.40K decks
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0.0%inclusion1 decks4.42K decks
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0.8%inclusion1 decks126 decks
New Cards
Fated Firepower
100%inclusion2 decks2 decks
98%synergy
Redirect Lightning
100%inclusion2 decks2 decks
94%synergy
Sozin's Comet
100%inclusion2 decks2 decks
97%synergy
Zuko, Exiled Prince
100%inclusion2 decks2 decks
99%synergy
Avatar Roku, Firebender
100%inclusion1 decks1 decks
98%synergy
High Synergy Cards
Voltaic Construct
95%inclusion52 decks55 decks
94%synergy
Voltaic Key
85%inclusion47 decks55 decks
85%synergy
Rings of Brighthearth
84%inclusion46 decks55 decks
82%synergy
Staff of Domination
80%inclusion44 decks55 decks
79%synergy
Clock of Omens
78%inclusion43 decks55 decks
77%synergy
Karn, the Great Creator
78%inclusion43 decks55 decks
77%synergy
Mystic Forge
80%inclusion44 decks55 decks
77%synergy
Ugin, the Ineffable
78%inclusion43 decks55 decks
77%synergy
Forsaken Monument
78%inclusion43 decks55 decks
76%synergy
Inventors' Fair
80%inclusion44 decks55 decks
76%synergy
Top Cards
Metalworker
76%inclusion42 decks55 decks
76%synergy
Foundry Inspector
76%inclusion42 decks55 decks
72%synergy
Sensei's Divining Top
75%inclusion41 decks55 decks
70%synergy
Krark-Clan Ironworks
69%inclusion38 decks55 decks
68%synergy
Manifold Key
69%inclusion38 decks55 decks
68%synergy
Unwinding Clock
69%inclusion38 decks55 decks
67%synergy
Palladium Myr
60%inclusion33 decks55 decks
58%synergy
All Is Dust
58%inclusion32 decks55 decks
57%synergy
Sculpting Steel
55%inclusion30 decks55 decks
52%synergy
Scrap Trawler
51%inclusion28 decks55 decks
49%synergy
Game Changers
Mana Vault
62%inclusion34 decks55 decks
56%synergy
Grim Monolith
56%inclusion31 decks55 decks
54%synergy
Ancient Tomb
55%inclusion30 decks55 decks
45%synergy
The One Ring
53%inclusion29 decks55 decks
44%synergy
Jeska's Will
50%inclusion3 decks6 decks
34%synergy
Mishra's Workshop
31%inclusion17 decks55 decks
31%synergy
Mox Diamond
20%inclusion11 decks55 decks
16%synergy
Field of the Dead
7.3%inclusion4 decks55 decks
4%synergy
Creatures
Vindictive Warden
100%inclusion1 decks1 decks
99%synergy
Fire Lord Ozai
100%inclusion1 decks1 decks
99%synergy
Ran and Shaw
100%inclusion1 decks1 decks
99%synergy
Azula, On the Hunt
100%inclusion1 decks1 decks
99%synergy
Zuko, Firebending Master
100%inclusion1 decks1 decks
98%synergy
Firebending Student
100%inclusion1 decks1 decks
97%synergy
Walking Ballista
51%inclusion28 decks55 decks
48%synergy
Yuyan Archers
50%inclusion1 decks2 decks
50%synergy
Liberator, Urza's Battlethopter
44%inclusion24 decks55 decks
42%synergy
Cogwork Assembler
42%inclusion23 decks55 decks
42%synergy
Kuldotha Forgemaster
42%inclusion23 decks55 decks
41%synergy
Myr Retriever
38%inclusion21 decks55 decks
36%synergy
Myr Welder
35%inclusion19 decks55 decks
34%synergy
Karn, Legacy Reforged
35%inclusion19 decks55 decks
34%synergy
Glaring Fleshraker
34%inclusion15 decks44 decks
33%synergy
Junk Diver
27%inclusion15 decks55 decks
26%synergy
Shimmer Myr
27%inclusion15 decks55 decks
26%synergy
Blightsteel Colossus
27%inclusion15 decks55 decks
26%synergy
Jhoira's Familiar
27%inclusion15 decks55 decks
26%synergy
Pili-Pala
25%inclusion14 decks55 decks
25%synergy
Wandering Archaic
25%inclusion14 decks55 decks
24%synergy
Toymaker
24%inclusion13 decks55 decks
24%synergy
Scarecrone
20%inclusion11 decks55 decks
20%synergy
Coretapper
20%inclusion11 decks55 decks
20%synergy
Myr Galvanizer
18%inclusion10 decks55 decks
18%synergy
Abstruse Archaic
18%inclusion10 decks55 decks
18%synergy
Hedron Crawler
18%inclusion10 decks55 decks
18%synergy
Mycosynth Golem
18%inclusion10 decks55 decks
18%synergy
Soul of New Phyrexia
18%inclusion10 decks55 decks
18%synergy
Endbringer
16%inclusion9 decks55 decks
16%synergy
Wurmcoil Engine
16%inclusion9 decks55 decks
15%synergy
Myr Battlesphere
16%inclusion9 decks55 decks
15%synergy
Spawnsire of Ulamog
15%inclusion8 decks55 decks
14%synergy
Cathodion
15%inclusion8 decks55 decks
14%synergy
Painter's Servant
15%inclusion8 decks55 decks
14%synergy
Scrapyard Recombiner
15%inclusion8 decks55 decks
14%synergy
Manakin
15%inclusion8 decks55 decks
14%synergy
Cryptothrall
15%inclusion8 decks55 decks
14%synergy
Syr Ginger, the Meal Ender
15%inclusion8 decks55 decks
14%synergy
Plague Myr
15%inclusion8 decks55 decks
14%synergy
Millikin
15%inclusion8 decks55 decks
13%synergy
Crashing Drawbridge
15%inclusion8 decks55 decks
13%synergy
Farmstead Gleaner
13%inclusion7 decks55 decks
13%synergy
Cryptic Trilobite
13%inclusion7 decks55 decks
13%synergy
Skittering Cicada
13%inclusion7 decks55 decks
12%synergy
Metalwork Colossus
13%inclusion7 decks55 decks
12%synergy
Solemn Simulacrum
13%inclusion7 decks55 decks
0%synergy
Su-Chi
11%inclusion6 decks55 decks
11%synergy
Dross Scorpion
11%inclusion6 decks55 decks
11%synergy
Arcbound Reclaimer
11%inclusion6 decks55 decks
11%synergy
Instants
The Last Agni Kai
100%inclusion1 decks1 decks
96%synergy
Fire Nation Attacks
50%inclusion1 decks2 decks
49%synergy
Pyroblast
50%inclusion3 decks6 decks
44%synergy
Null Elemental Blast
35%inclusion16 decks46 decks
34%synergy
Warping Wail
31%inclusion17 decks55 decks
30%synergy
Kozilek's Command
20%inclusion9 decks44 decks
20%synergy
Eldrazi Confluence
16%inclusion7 decks44 decks
15%synergy
Eldritch Immunity
16%inclusion7 decks44 decks
15%synergy
Spatial Contortion
13%inclusion7 decks55 decks
13%synergy
Not of This World
7.3%inclusion4 decks55 decks
7%synergy
Desecrate Reality
5.5%inclusion3 decks55 decks
5%synergy
Sorceries
Day of Black Sun
100%inclusion1 decks1 decks
99%synergy
Ozai's Cruelty
50%inclusion1 decks2 decks
50%synergy
Selective Obliteration
16%inclusion7 decks44 decks
15%synergy
Rise of the Eldrazi
13%inclusion7 decks55 decks
12%synergy
Introduction to Annihilation
9.1%inclusion5 decks55 decks
9%synergy
Utility Artifacts
Heartstone
49%inclusion27 decks55 decks
49%synergy
Cloud Key
49%inclusion27 decks55 decks
47%synergy
Darksteel Forge
45%inclusion25 decks55 decks
44%synergy
Lithoform Engine
38%inclusion21 decks55 decks
37%synergy
Moonsilver Key
38%inclusion21 decks55 decks
37%synergy
Expedition Map
38%inclusion21 decks55 decks
35%synergy
Ashnod's Altar
38%inclusion21 decks55 decks
32%synergy
Planar Bridge
36%inclusion20 decks55 decks
36%synergy
Mycosynth Lattice
36%inclusion20 decks55 decks
36%synergy
Magistrate's Scepter
29%inclusion16 decks55 decks
29%synergy
Nim Deathmantle
27%inclusion15 decks55 decks
27%synergy
Mind's Eye
27%inclusion15 decks55 decks
27%synergy
Semblance Anvil
27%inclusion15 decks55 decks
27%synergy
Chimil, the Inner Sun
27%inclusion15 decks55 decks
26%synergy
Strionic Resonator
27%inclusion15 decks55 decks
25%synergy
Sword of the Paruns
25%inclusion14 decks55 decks
25%synergy
Lightning Greaves
25%inclusion14 decks55 decks
1%synergy
Mirage Mirror
24%inclusion13 decks55 decks
22%synergy
Aetherflux Reservoir
24%inclusion13 decks55 decks
20%synergy
Memory Jar
22%inclusion12 decks55 decks
22%synergy
Mirrorworks
22%inclusion12 decks55 decks
21%synergy
Nevinyrral's Disk
22%inclusion12 decks55 decks
21%synergy
The Immortal Sun
20%inclusion11 decks55 decks
19%synergy
Spine of Ish Sah
20%inclusion11 decks55 decks
19%synergy
Contagion Engine
20%inclusion11 decks55 decks
19%synergy
Helm of the Host
20%inclusion11 decks55 decks
17%synergy
The Endstone
18%inclusion3 decks17 decks
17%synergy
Energy Chamber
16%inclusion9 decks55 decks
16%synergy
Animation Module
16%inclusion9 decks55 decks
16%synergy
Realmbreaker, the Invasion Tree
16%inclusion9 decks55 decks
16%synergy
Scroll Rack
16%inclusion9 decks55 decks
15%synergy
Maskwood Nexus
16%inclusion9 decks55 decks
14%synergy
Rocket Launcher
15%inclusion8 decks55 decks
15%synergy
Grindstone
15%inclusion8 decks55 decks
14%synergy
Tamiyo's Journal
15%inclusion8 decks55 decks
14%synergy
Helm of Awakening
15%inclusion8 decks55 decks
14%synergy
Portal to Phyrexia
15%inclusion8 decks55 decks
13%synergy
Phyrexian Altar
15%inclusion8 decks55 decks
11%synergy
Blasting Station
13%inclusion7 decks55 decks
12%synergy
Darksteel Monolith
13%inclusion7 decks55 decks
12%synergy
Defense Grid
13%inclusion7 decks55 decks
12%synergy
Illusionist's Bracers
13%inclusion7 decks55 decks
12%synergy
Commander's Plate
13%inclusion7 decks55 decks
10%synergy
Sands of Time
11%inclusion6 decks55 decks
11%synergy
Goblin Cannon
11%inclusion6 decks55 decks
11%synergy
Planar Portal
11%inclusion6 decks55 decks
11%synergy
Gonti's Aether Heart
11%inclusion6 decks55 decks
10%synergy
Torpor Orb
11%inclusion6 decks55 decks
10%synergy
Altar of Dementia
11%inclusion6 decks55 decks
9%synergy
Skyship Weatherlight
9.1%inclusion5 decks55 decks
9%synergy
Enchantments
The Legend of Roku
100%inclusion1 decks1 decks
98%synergy
The Rise of Sozin
50%inclusion1 decks2 decks
49%synergy
Echoes of Eternity
39%inclusion17 decks44 decks
38%synergy
Planeswalkers
Tezzeret, Cruel Captain
42%inclusion8 decks19 decks
40%synergy
Ugin, Eye of the Storms
38%inclusion10 decks26 decks
37%synergy
Ugin, the Spirit Dragon
29%inclusion16 decks55 decks
28%synergy
Karn, Living Legacy
24%inclusion13 decks55 decks
23%synergy
Karn Liberated
15%inclusion8 decks55 decks
14%synergy
Karn, Scion of Urza
7.3%inclusion4 decks55 decks
7%synergy
Utility Lands
Buried Ruin
67%inclusion37 decks55 decks
62%synergy
War Room
64%inclusion35 decks55 decks
58%synergy
Deserted Temple
62%inclusion34 decks55 decks
61%synergy
Urza's Power Plant
60%inclusion33 decks55 decks
58%synergy
Urza's Mine
60%inclusion33 decks55 decks
58%synergy
Urza's Tower
60%inclusion33 decks55 decks
58%synergy
Darksteel Citadel
56%inclusion31 decks55 decks
53%synergy
Shrine of the Forsaken Gods
55%inclusion30 decks55 decks
53%synergy
Thespian's Stage
53%inclusion29 decks55 decks
50%synergy
Urza's Saga
53%inclusion29 decks55 decks
46%synergy
Reliquary Tower
49%inclusion27 decks55 decks
19%synergy
Scorched Ruins
44%inclusion24 decks55 decks
43%synergy
Urza's Workshop
44%inclusion24 decks55 decks
43%synergy
Crystal Vein
42%inclusion23 decks55 decks
41%synergy
Sanctum of Ugin
40%inclusion22 decks55 decks
39%synergy
Blast Zone
38%inclusion21 decks55 decks
37%synergy
Strip Mine
36%inclusion20 decks55 decks
34%synergy
Zhalfirin Void
35%inclusion19 decks55 decks
34%synergy
Mikokoro, Center of the Sea
35%inclusion19 decks55 decks
33%synergy
Emergence Zone
35%inclusion19 decks55 decks
32%synergy
Treasure Vault
33%inclusion18 decks55 decks
30%synergy
Command Beacon
31%inclusion17 decks55 decks
26%synergy
Petrified Field
29%inclusion16 decks55 decks
29%synergy
Wasteland
29%inclusion16 decks55 decks
28%synergy
Scavenger Grounds
29%inclusion16 decks55 decks
26%synergy
Karn's Bastion
29%inclusion16 decks55 decks
24%synergy
Rogue's Passage
29%inclusion16 decks55 decks
9%synergy
Urza's Factory
27%inclusion15 decks55 decks
27%synergy
Arcane Lighthouse
27%inclusion15 decks55 decks
26%synergy
Bonders' Enclave
27%inclusion15 decks55 decks
25%synergy
Sequestered Stash
25%inclusion14 decks55 decks
25%synergy
Sea Gate Wreckage
25%inclusion14 decks55 decks
25%synergy
Miren, the Moaning Well
24%inclusion13 decks55 decks
23%synergy
Haunted Fengraf
24%inclusion13 decks55 decks
23%synergy
Blasted Landscape
24%inclusion13 decks55 decks
23%synergy
Geier Reach Sanitarium
24%inclusion13 decks55 decks
21%synergy
Tomb of the Spirit Dragon
20%inclusion11 decks55 decks
19%synergy
Temple of the False God
20%inclusion11 decks55 decks
11%synergy
Fomori Vault
19%inclusion9 decks47 decks
18%synergy
Labyrinth of Skophos
16%inclusion9 decks55 decks
16%synergy
City of Traitors
16%inclusion9 decks55 decks
15%synergy
Vesuva
16%inclusion9 decks55 decks
15%synergy
Nesting Grounds
16%inclusion9 decks55 decks
14%synergy
Nephalia Academy
15%inclusion8 decks55 decks
14%synergy
Arch of Orazca
15%inclusion8 decks55 decks
14%synergy
High Market
15%inclusion8 decks55 decks
12%synergy
Fountainport
14%inclusion6 decks42 decks
13%synergy
Underdark Rift
13%inclusion7 decks55 decks
12%synergy
Throne of the High City
13%inclusion7 decks55 decks
12%synergy
Cryptic Caves
13%inclusion7 decks55 decks
12%synergy
Mana Artifacts
Sol Ring
100%inclusion55 decks55 decks
16%synergy
Basalt Monolith
95%inclusion52 decks55 decks
92%synergy
Thran Dynamo
84%inclusion46 decks55 decks
79%synergy
Everflowing Chalice
64%inclusion35 decks55 decks
59%synergy
Thought Vessel
58%inclusion32 decks55 decks
41%synergy
Mind Stone
53%inclusion29 decks55 decks
38%synergy
Mox Opal
36%inclusion20 decks55 decks
32%synergy
Dreamstone Hedron
35%inclusion19 decks55 decks
34%synergy
Liquimetal Torque
33%inclusion18 decks55 decks
30%synergy
Hedron Archive
29%inclusion16 decks55 decks
27%synergy
Gilded Lotus
29%inclusion16 decks55 decks
26%synergy
Worn Powerstone
27%inclusion15 decks55 decks
25%synergy
Chromatic Orrery
24%inclusion13 decks55 decks
22%synergy
The Mightstone and Weakstone
22%inclusion12 decks55 decks
21%synergy
Lotus Petal
16%inclusion9 decks55 decks
9%synergy
Coveted Jewel
15%inclusion8 decks55 decks
13%synergy
Mana Crypt
15%inclusion8 decks55 decks
12%synergy
Empowered Autogenerator
13%inclusion7 decks55 decks
12%synergy
Honor-Worn Shaku
13%inclusion7 decks55 decks
12%synergy
Powerstone Shard
11%inclusion6 decks55 decks
11%synergy
Blinkmoth Urn
11%inclusion6 decks55 decks
11%synergy
Fellwar Stone
11%inclusion6 decks55 decks
-10%synergy
The Irencrag
9.1%inclusion5 decks55 decks
9%synergy
Bender's Waterskin
7.7%inclusion1 decks13 decks
5%synergy
Thran Turbine
7.3%inclusion4 decks55 decks
7%synergy
Paradise Mantle
7.3%inclusion4 decks55 decks
6%synergy
Staff of Compleation
7.3%inclusion4 decks55 decks
6%synergy
Jeweled Lotus
7.3%inclusion4 decks55 decks
6%synergy
Stonespeaker Crystal
5.5%inclusion3 decks55 decks
5%synergy
Sonic Screwdriver
5.5%inclusion3 decks55 decks
5%synergy
Patriar's Seal
5.5%inclusion3 decks55 decks
4%synergy
Arcane Signet
5.5%inclusion3 decks55 decks
-67%synergy
Lands
The Mycosynth Gardens
60%inclusion33 decks55 decks
58%synergy
Urza's Cave
52%inclusion24 decks46 decks
49%synergy
Crystal Grotto
24%inclusion13 decks55 decks
23%synergy
The Grey Havens
20%inclusion11 decks55 decks
19%synergy
Hall of Tagsin
18%inclusion10 decks55 decks
18%synergy
Cavern of Souls
16%inclusion9 decks55 decks
9%synergy
Planar Nexus
15%inclusion7 decks46 decks
15%synergy
Gallifrey Council Chamber
15%inclusion8 decks55 decks
14%synergy
Mirrex
9.1%inclusion5 decks55 decks
8%synergy
Talon Gates of Madara
9.1%inclusion4 decks44 decks
7%synergy
Demolition Field
9.1%inclusion5 decks55 decks
6%synergy
Gemstone Caverns
9.1%inclusion5 decks55 decks
4%synergy
Conduit Pylons
8.5%inclusion4 decks47 decks
8%synergy
Hidden Grotto
7.1%inclusion3 decks42 decks
6%synergy
Plaza of Heroes
5.5%inclusion3 decks55 decks
3%synergy
Spire of Industry
5.5%inclusion3 decks55 decks
2%synergy
Reflecting Pool
5.5%inclusion3 decks55 decks
0%synergy
Exotic Orchard
5.5%inclusion3 decks55 decks
-31%synergy