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 decks4.03K decks
Top Commanders
Karn, Silver Golem
1.4%inclusion15 decks1.04K decks
The Peregrine Dynamo
1.0%inclusion10 decks953 decks
Marvin, Murderous Mimic
0.6%inclusion9 decks1.58K decks
Omarthis, Ghostfire Initiate
0.2%inclusion5 decks2.39K decks
Karn, Legacy Reforged
0.1%inclusion4 decks5.47K decks
Zirda, the Dawnwaker
0.1%inclusion2 decks2.11K decks
Memnarch
0.1%inclusion1 decks1.93K decks
Traxos, Scourge of Kroog
0.1%inclusion1 decks1.97K decks
Electro, Assaulting Battery
0.1%inclusion1 decks1.87K decks
Kenrith, the Returned King
0.0%inclusion1 decks27.2K decks
The Regalia
0.2%inclusion1 decks529 decks
Agatha of the Vile Cauldron
0.0%inclusion1 decks4.63K decks
Liberator, Urza's Battlethopter
0.0%inclusion1 decks2.66K decks
Kozilek, the Great Distortion
0.0%inclusion1 decks5.45K decks
Ultima, Origin of Oblivion
0.0%inclusion1 decks4.40K decks
Morlun, Devourer of Spiders
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%inclusion53 decks56 decks
94%synergy
Voltaic Key
86%inclusion48 decks56 decks
85%synergy
Rings of Brighthearth
84%inclusion47 decks56 decks
83%synergy
Staff of Domination
80%inclusion45 decks56 decks
79%synergy
Clock of Omens
79%inclusion44 decks56 decks
78%synergy
Karn, the Great Creator
79%inclusion44 decks56 decks
78%synergy
Mystic Forge
80%inclusion45 decks56 decks
77%synergy
Ugin, the Ineffable
79%inclusion44 decks56 decks
77%synergy
Forsaken Monument
79%inclusion44 decks56 decks
77%synergy
Inventors' Fair
80%inclusion45 decks56 decks
77%synergy
Top Cards
Metalworker
77%inclusion43 decks56 decks
76%synergy
Foundry Inspector
77%inclusion43 decks56 decks
73%synergy
Sensei's Divining Top
75%inclusion42 decks56 decks
70%synergy
Krark-Clan Ironworks
70%inclusion39 decks56 decks
69%synergy
Manifold Key
68%inclusion38 decks56 decks
66%synergy
Unwinding Clock
68%inclusion38 decks56 decks
65%synergy
Palladium Myr
61%inclusion34 decks56 decks
59%synergy
All Is Dust
57%inclusion32 decks56 decks
56%synergy
Sculpting Steel
54%inclusion30 decks56 decks
51%synergy
Heartstone
50%inclusion28 decks56 decks
50%synergy
Game Changers
Mana Vault
63%inclusion35 decks56 decks
57%synergy
Grim Monolith
57%inclusion32 decks56 decks
55%synergy
The One Ring
54%inclusion30 decks56 decks
45%synergy
Ancient Tomb
54%inclusion30 decks56 decks
44%synergy
Jeska's Will
50%inclusion3 decks6 decks
34%synergy
Mishra's Workshop
30%inclusion17 decks56 decks
30%synergy
Mox Diamond
20%inclusion11 decks56 decks
15%synergy
Field of the Dead
7.1%inclusion4 decks56 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
Yuyan Archers
50%inclusion1 decks2 decks
50%synergy
Scrap Trawler
50%inclusion28 decks56 decks
48%synergy
Walking Ballista
50%inclusion28 decks56 decks
47%synergy
Liberator, Urza's Battlethopter
45%inclusion25 decks56 decks
43%synergy
Cogwork Assembler
43%inclusion24 decks56 decks
43%synergy
Kuldotha Forgemaster
41%inclusion23 decks56 decks
40%synergy
Myr Retriever
38%inclusion21 decks56 decks
36%synergy
Myr Welder
36%inclusion20 decks56 decks
36%synergy
Karn, Legacy Reforged
36%inclusion20 decks56 decks
35%synergy
Glaring Fleshraker
34%inclusion15 decks44 decks
33%synergy
Blightsteel Colossus
29%inclusion16 decks56 decks
27%synergy
Junk Diver
27%inclusion15 decks56 decks
26%synergy
Shimmer Myr
27%inclusion15 decks56 decks
26%synergy
Jhoira's Familiar
27%inclusion15 decks56 decks
25%synergy
Pili-Pala
25%inclusion14 decks56 decks
25%synergy
Wandering Archaic
25%inclusion14 decks56 decks
24%synergy
Toymaker
23%inclusion13 decks56 decks
23%synergy
Scarecrone
21%inclusion12 decks56 decks
21%synergy
Coretapper
21%inclusion12 decks56 decks
21%synergy
Myr Galvanizer
20%inclusion11 decks56 decks
19%synergy
Hedron Crawler
20%inclusion11 decks56 decks
19%synergy
Abstruse Archaic
18%inclusion10 decks56 decks
18%synergy
Mycosynth Golem
18%inclusion10 decks56 decks
17%synergy
Soul of New Phyrexia
18%inclusion10 decks56 decks
17%synergy
Painter's Servant
16%inclusion9 decks56 decks
16%synergy
Syr Ginger, the Meal Ender
16%inclusion9 decks56 decks
15%synergy
Endbringer
16%inclusion9 decks56 decks
15%synergy
Millikin
16%inclusion9 decks56 decks
15%synergy
Wurmcoil Engine
16%inclusion9 decks56 decks
15%synergy
Myr Battlesphere
16%inclusion9 decks56 decks
14%synergy
Spawnsire of Ulamog
14%inclusion8 decks56 decks
14%synergy
Cathodion
14%inclusion8 decks56 decks
14%synergy
Cryptic Trilobite
14%inclusion8 decks56 decks
14%synergy
Scrapyard Recombiner
14%inclusion8 decks56 decks
14%synergy
Manakin
14%inclusion8 decks56 decks
14%synergy
Cryptothrall
14%inclusion8 decks56 decks
14%synergy
Plague Myr
14%inclusion8 decks56 decks
13%synergy
Crashing Drawbridge
14%inclusion8 decks56 decks
13%synergy
Farmstead Gleaner
13%inclusion7 decks56 decks
12%synergy
Skittering Cicada
13%inclusion7 decks56 decks
12%synergy
Metalwork Colossus
13%inclusion7 decks56 decks
12%synergy
Solemn Simulacrum
13%inclusion7 decks56 decks
0%synergy
Su-Chi
11%inclusion6 decks56 decks
11%synergy
Dross Scorpion
11%inclusion6 decks56 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
30%inclusion17 decks56 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 decks56 decks
12%synergy
Not of This World
7.1%inclusion4 decks56 decks
6%synergy
Desecrate Reality
5.4%inclusion3 decks56 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 decks56 decks
12%synergy
Introduction to Annihilation
8.9%inclusion5 decks56 decks
9%synergy
Utility Artifacts
Cloud Key
50%inclusion28 decks56 decks
48%synergy
Darksteel Forge
45%inclusion25 decks56 decks
43%synergy
Lithoform Engine
39%inclusion22 decks56 decks
38%synergy
Ashnod's Altar
39%inclusion22 decks56 decks
33%synergy
Moonsilver Key
38%inclusion21 decks56 decks
36%synergy
Expedition Map
38%inclusion21 decks56 decks
35%synergy
Planar Bridge
36%inclusion20 decks56 decks
35%synergy
Mycosynth Lattice
36%inclusion20 decks56 decks
35%synergy
Magistrate's Scepter
30%inclusion17 decks56 decks
30%synergy
Nim Deathmantle
29%inclusion16 decks56 decks
28%synergy
Chimil, the Inner Sun
29%inclusion16 decks56 decks
27%synergy
Strionic Resonator
29%inclusion16 decks56 decks
26%synergy
Sword of the Paruns
27%inclusion15 decks56 decks
26%synergy
Mind's Eye
27%inclusion15 decks56 decks
26%synergy
Semblance Anvil
27%inclusion15 decks56 decks
26%synergy
Lightning Greaves
25%inclusion14 decks56 decks
0%synergy
Mirage Mirror
23%inclusion13 decks56 decks
22%synergy
Aetherflux Reservoir
23%inclusion13 decks56 decks
20%synergy
Memory Jar
21%inclusion12 decks56 decks
21%synergy
Mirrorworks
21%inclusion12 decks56 decks
21%synergy
Contagion Engine
21%inclusion12 decks56 decks
21%synergy
Nevinyrral's Disk
21%inclusion12 decks56 decks
20%synergy
Helm of the Host
21%inclusion12 decks56 decks
18%synergy
The Immortal Sun
20%inclusion11 decks56 decks
19%synergy
Spine of Ish Sah
20%inclusion11 decks56 decks
19%synergy
Energy Chamber
18%inclusion10 decks56 decks
18%synergy
Animation Module
18%inclusion10 decks56 decks
17%synergy
Realmbreaker, the Invasion Tree
18%inclusion10 decks56 decks
17%synergy
Maskwood Nexus
18%inclusion10 decks56 decks
15%synergy
The Endstone
18%inclusion3 decks17 decks
17%synergy
Grindstone
16%inclusion9 decks56 decks
16%synergy
Tamiyo's Journal
16%inclusion9 decks56 decks
15%synergy
Helm of Awakening
16%inclusion9 decks56 decks
15%synergy
Scroll Rack
16%inclusion9 decks56 decks
15%synergy
Rocket Launcher
14%inclusion8 decks56 decks
14%synergy
Portal to Phyrexia
14%inclusion8 decks56 decks
13%synergy
Phyrexian Altar
14%inclusion8 decks56 decks
11%synergy
Sands of Time
13%inclusion7 decks56 decks
12%synergy
Blasting Station
13%inclusion7 decks56 decks
12%synergy
Gonti's Aether Heart
13%inclusion7 decks56 decks
12%synergy
Darksteel Monolith
13%inclusion7 decks56 decks
12%synergy
Defense Grid
13%inclusion7 decks56 decks
12%synergy
Illusionist's Bracers
13%inclusion7 decks56 decks
11%synergy
Commander's Plate
13%inclusion7 decks56 decks
10%synergy
Goblin Cannon
11%inclusion6 decks56 decks
11%synergy
Planar Portal
11%inclusion6 decks56 decks
11%synergy
Torpor Orb
11%inclusion6 decks56 decks
10%synergy
Altar of Dementia
11%inclusion6 decks56 decks
8%synergy
Skyship Weatherlight
8.9%inclusion5 decks56 decks
9%synergy
Helm of Possession
8.9%inclusion5 decks56 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 decks56 decks
27%synergy
Karn, Living Legacy
25%inclusion14 decks56 decks
25%synergy
Karn Liberated
14%inclusion8 decks56 decks
14%synergy
Karn, Scion of Urza
7.1%inclusion4 decks56 decks
7%synergy
Utility Lands
Buried Ruin
68%inclusion38 decks56 decks
63%synergy
Deserted Temple
63%inclusion35 decks56 decks
62%synergy
War Room
63%inclusion35 decks56 decks
57%synergy
Urza's Power Plant
61%inclusion34 decks56 decks
59%synergy
Urza's Mine
61%inclusion34 decks56 decks
59%synergy
Urza's Tower
61%inclusion34 decks56 decks
59%synergy
Darksteel Citadel
55%inclusion31 decks56 decks
52%synergy
Shrine of the Forsaken Gods
54%inclusion30 decks56 decks
52%synergy
Thespian's Stage
54%inclusion30 decks56 decks
51%synergy
Urza's Saga
52%inclusion29 decks56 decks
45%synergy
Reliquary Tower
48%inclusion27 decks56 decks
18%synergy
Scorched Ruins
45%inclusion25 decks56 decks
44%synergy
Urza's Workshop
43%inclusion24 decks56 decks
42%synergy
Crystal Vein
43%inclusion24 decks56 decks
42%synergy
Sanctum of Ugin
41%inclusion23 decks56 decks
40%synergy
Blast Zone
38%inclusion21 decks56 decks
36%synergy
Zhalfirin Void
36%inclusion20 decks56 decks
35%synergy
Mikokoro, Center of the Sea
36%inclusion20 decks56 decks
34%synergy
Emergence Zone
36%inclusion20 decks56 decks
33%synergy
Strip Mine
36%inclusion20 decks56 decks
33%synergy
Treasure Vault
32%inclusion18 decks56 decks
30%synergy
Command Beacon
32%inclusion18 decks56 decks
27%synergy
Petrified Field
30%inclusion17 decks56 decks
30%synergy
Karn's Bastion
30%inclusion17 decks56 decks
26%synergy
Wasteland
29%inclusion16 decks56 decks
27%synergy
Scavenger Grounds
29%inclusion16 decks56 decks
25%synergy
Rogue's Passage
29%inclusion16 decks56 decks
8%synergy
Urza's Factory
27%inclusion15 decks56 decks
26%synergy
Arcane Lighthouse
27%inclusion15 decks56 decks
25%synergy
Bonders' Enclave
27%inclusion15 decks56 decks
24%synergy
Sequestered Stash
25%inclusion14 decks56 decks
25%synergy
Miren, the Moaning Well
25%inclusion14 decks56 decks
25%synergy
Haunted Fengraf
25%inclusion14 decks56 decks
25%synergy
Blasted Landscape
25%inclusion14 decks56 decks
25%synergy
Sea Gate Wreckage
25%inclusion14 decks56 decks
25%synergy
Geier Reach Sanitarium
25%inclusion14 decks56 decks
22%synergy
Tomb of the Spirit Dragon
20%inclusion11 decks56 decks
19%synergy
Temple of the False God
20%inclusion11 decks56 decks
10%synergy
Fomori Vault
19%inclusion9 decks47 decks
18%synergy
Nesting Grounds
18%inclusion10 decks56 decks
16%synergy
Labyrinth of Skophos
16%inclusion9 decks56 decks
16%synergy
City of Traitors
16%inclusion9 decks56 decks
15%synergy
Vesuva
16%inclusion9 decks56 decks
15%synergy
Nephalia Academy
14%inclusion8 decks56 decks
14%synergy
Cryptic Caves
14%inclusion8 decks56 decks
14%synergy
Arch of Orazca
14%inclusion8 decks56 decks
14%synergy
Fountainport
14%inclusion6 decks42 decks
13%synergy
High Market
14%inclusion8 decks56 decks
12%synergy
Underdark Rift
13%inclusion7 decks56 decks
12%synergy
Throne of the High City
13%inclusion7 decks56 decks
12%synergy
Mana Artifacts
Sol Ring
100%inclusion56 decks56 decks
16%synergy
Basalt Monolith
95%inclusion53 decks56 decks
92%synergy
Thran Dynamo
84%inclusion47 decks56 decks
79%synergy
Everflowing Chalice
64%inclusion36 decks56 decks
60%synergy
Thought Vessel
59%inclusion33 decks56 decks
41%synergy
Mind Stone
54%inclusion30 decks56 decks
39%synergy
Dreamstone Hedron
36%inclusion20 decks56 decks
35%synergy
Mox Opal
36%inclusion20 decks56 decks
31%synergy
Liquimetal Torque
34%inclusion19 decks56 decks
31%synergy
Gilded Lotus
30%inclusion17 decks56 decks
27%synergy
Worn Powerstone
29%inclusion16 decks56 decks
26%synergy
Hedron Archive
29%inclusion16 decks56 decks
26%synergy
Chromatic Orrery
25%inclusion14 decks56 decks
24%synergy
The Mightstone and Weakstone
21%inclusion12 decks56 decks
21%synergy
Coveted Jewel
16%inclusion9 decks56 decks
15%synergy
Lotus Petal
16%inclusion9 decks56 decks
9%synergy
Mana Crypt
14%inclusion8 decks56 decks
12%synergy
Empowered Autogenerator
13%inclusion7 decks56 decks
12%synergy
Honor-Worn Shaku
13%inclusion7 decks56 decks
12%synergy
Powerstone Shard
11%inclusion6 decks56 decks
11%synergy
Blinkmoth Urn
11%inclusion6 decks56 decks
10%synergy
Fellwar Stone
11%inclusion6 decks56 decks
-10%synergy
Thran Turbine
8.9%inclusion5 decks56 decks
9%synergy
The Irencrag
8.9%inclusion5 decks56 decks
8%synergy
Bender's Waterskin
7.7%inclusion1 decks13 decks
5%synergy
Paradise Mantle
7.1%inclusion4 decks56 decks
6%synergy
Staff of Compleation
7.1%inclusion4 decks56 decks
6%synergy
Jeweled Lotus
7.1%inclusion4 decks56 decks
6%synergy
Stonespeaker Crystal
5.4%inclusion3 decks56 decks
5%synergy
Sceptre of Eternal Glory
5.4%inclusion3 decks56 decks
5%synergy
Sonic Screwdriver
5.4%inclusion3 decks56 decks
4%synergy
Patriar's Seal
5.4%inclusion3 decks56 decks
4%synergy
Arcane Signet
5.4%inclusion3 decks56 decks
-67%synergy
Lands
The Mycosynth Gardens
59%inclusion33 decks56 decks
57%synergy
Urza's Cave
52%inclusion24 decks46 decks
49%synergy
Crystal Grotto
25%inclusion14 decks56 decks
24%synergy
Hall of Tagsin
20%inclusion11 decks56 decks
19%synergy
The Grey Havens
20%inclusion11 decks56 decks
19%synergy
Gallifrey Council Chamber
16%inclusion9 decks56 decks
16%synergy
Cavern of Souls
16%inclusion9 decks56 decks
9%synergy
Planar Nexus
15%inclusion7 decks46 decks
15%synergy
Talon Gates of Madara
9.1%inclusion4 decks44 decks
7%synergy
Mirrex
8.9%inclusion5 decks56 decks
8%synergy
Demolition Field
8.9%inclusion5 decks56 decks
6%synergy
Gemstone Caverns
8.9%inclusion5 decks56 decks
4%synergy
Conduit Pylons
8.5%inclusion4 decks47 decks
8%synergy
Hidden Grotto
7.1%inclusion3 decks42 decks
6%synergy
Plaza of Heroes
5.4%inclusion3 decks56 decks
3%synergy
Spire of Industry
5.4%inclusion3 decks56 decks
2%synergy
Reflecting Pool
5.4%inclusion3 decks56 decks
0%synergy
Exotic Orchard
5.4%inclusion3 decks56 decks
-31%synergy