Karn, Legacy Reforged
Lithoform Engine
Clock of Omens
Basalt Monolith
Grim Monolith

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control at least five additional artifacts.
2 available

   Steps

How does this combo work?
1
At the beginning of your upkeep, Karn triggers.
2
Holding priority, activate Lithoform Engine's first ability by paying 2 and tapping it, copying Karn's ability.
3
Resolve the copy of Karn's ability, adding for each artifact you control that cannot be spent to cast nonartifact spells.
4
Activate Clock of Omens by tapping Basalt Monolith and Grim Monolith, untapping Lithoform Engine.
5
Activate Basalt Monolith's second ability by paying 3, untapping it.
6
Activate Grim Monolith's second ability by paying 4, untapping it.
7
Repeat from step 2.

   Results

What do I get from this combo?
Infinite colorless mana that can't be spent to cast nonartifact spells
Infinite mana artifacts you control can produce
Infinite untap of artifacts you control
Infinite colorless mana
Karn, Legacy Reforged
0.9%inclusion50 decks5.82K decks
The Peregrine Dynamo
3.0%inclusion30 decks999 decks
Liberator, Urza's Battlethopter
0.3%inclusion9 decks2.67K decks
Karn, Silver Golem
0.7%inclusion7 decks1.07K decks
Marvin, Murderous Mimic
0.3%inclusion5 decks1.75K decks
Kozilek, Butcher of Truth
0.4%inclusion4 decks892 decks
Urza, Lord High Artificer
0.0%inclusion4 decks18.4K decks
Dawnsire, Sunstar Dreadnought
0.2%inclusion3 decks2K decks
Kozilek, the Great Distortion
0.1%inclusion3 decks5.37K decks
Zhulodok, Void Gorger
0.0%inclusion3 decks20.3K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion2 decks4.15K decks
Ultima, Origin of Oblivion
0.0%inclusion2 decks5.69K decks
Memnarch
0.1%inclusion2 decks2.05K decks
Ulamog, the Defiler
0.1%inclusion2 decks1.51K decks
Bosh, Iron Golem
0.1%inclusion1 decks763 decks
Mendicant Core, Guidelight
0.0%inclusion1 decks13.6K decks
Idris, Soul of the TARDIS
0.8%inclusion1 decks132 decks
The Walls of Ba Sing Se
0.1%inclusion1 decks977 decks
New Cards
Ravenous Robots
100%inclusion1 decks1 decks
99%synergy
Krang, Utrom Warlord
8.7%inclusion2 decks23 decks
8%synergy
Coin of Mastery
7.1%inclusion1 decks14 decks
6%synergy
Technodrome
4.3%inclusion1 decks23 decks
4%synergy
High Synergy Cards
Forsaken Monument
90%inclusion128 decks143 decks
88%synergy
Mystic Forge
89%inclusion127 decks143 decks
86%synergy
Unwinding Clock
86%inclusion123 decks143 decks
84%synergy
Inventors' Fair
85%inclusion121 decks143 decks
81%synergy
Seat of the Synod
87%inclusion13 decks15 decks
80%synergy
Great Furnace
86%inclusion6 decks7 decks
80%synergy
Voltaic Key
80%inclusion115 decks143 decks
80%synergy
Urza's Power Plant
81%inclusion116 decks143 decks
79%synergy
Urza's Mine
81%inclusion116 decks143 decks
79%synergy
Urza's Tower
81%inclusion116 decks143 decks
79%synergy
Top Cards
Manifold Key
75%inclusion107 decks143 decks
73%synergy
Metalworker
74%inclusion106 decks143 decks
74%synergy
Foundry Inspector
73%inclusion105 decks143 decks
69%synergy
Sensei's Divining Top
73%inclusion105 decks143 decks
69%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Rings of Brighthearth
72%inclusion103 decks143 decks
71%synergy
Sculpting Steel
72%inclusion103 decks143 decks
70%synergy
All Is Dust
70%inclusion100 decks143 decks
68%synergy
Fabricate
67%inclusion10 decks15 decks
61%synergy
Mana Drain
67%inclusion10 decks15 decks
52%synergy
Game Changers
Mana Vault
83%inclusion119 decks143 decks
77%synergy
Ancient Tomb
80%inclusion115 decks143 decks
71%synergy
The One Ring
67%inclusion96 decks143 decks
59%synergy
Mishra's Workshop
57%inclusion82 decks143 decks
57%synergy
Gamble
57%inclusion4 decks7 decks
48%synergy
Fierce Guardianship
53%inclusion8 decks15 decks
36%synergy
Jeska's Will
43%inclusion3 decks7 decks
28%synergy
Force of Will
40%inclusion6 decks15 decks
30%synergy
Cyclonic Rift
40%inclusion6 decks15 decks
18%synergy
Mox Diamond
26%inclusion37 decks143 decks
22%synergy
Creatures
Walking Ballista
52%inclusion75 decks143 decks
50%synergy
Liberator, Urza's Battlethopter
51%inclusion73 decks143 decks
50%synergy
Jhoira's Familiar
50%inclusion71 decks143 decks
48%synergy
Forensic Gadgeteer
47%inclusion7 decks15 decks
44%synergy
Phyrexian Metamorph
47%inclusion7 decks15 decks
39%synergy
Goblin Welder
43%inclusion3 decks7 decks
41%synergy
Kuldotha Forgemaster
42%inclusion60 decks143 decks
41%synergy
Palladium Myr
42%inclusion60 decks143 decks
40%synergy
Urza, Lord High Artificer
40%inclusion6 decks15 decks
37%synergy
Scrap Trawler
39%inclusion56 decks143 decks
37%synergy
Voltaic Construct
38%inclusion55 decks143 decks
38%synergy
Blightsteel Colossus
36%inclusion52 decks143 decks
35%synergy
Myr Retriever
36%inclusion52 decks143 decks
35%synergy
Mycosynth Golem
35%inclusion50 decks143 decks
34%synergy
Master Transmuter
33%inclusion5 decks15 decks
32%synergy
Thought Monitor
33%inclusion5 decks15 decks
30%synergy
Emry, Lurker of the Loch
33%inclusion5 decks15 decks
29%synergy
Wandering Archaic
33%inclusion47 decks143 decks
32%synergy
Metalwork Colossus
32%inclusion46 decks143 decks
31%synergy
Kozilek, the Great Distortion
31%inclusion44 decks143 decks
30%synergy
Ultima, Origin of Oblivion
30%inclusion25 decks83 decks
30%synergy
Cityscape Leveler
30%inclusion43 decks143 decks
29%synergy
Glaring Fleshraker
30%inclusion41 decks137 decks
29%synergy
Kozilek, Butcher of Truth
28%inclusion40 decks143 decks
27%synergy
Abstruse Archaic
27%inclusion39 decks143 decks
27%synergy
Arcum Dagsson
27%inclusion4 decks15 decks
26%synergy
Vedalken Archmage
27%inclusion4 decks15 decks
26%synergy
Silver Myr
27%inclusion4 decks15 decks
24%synergy
The Reality Chip
27%inclusion4 decks15 decks
24%synergy
Ulamog, the Ceaseless Hunger
27%inclusion38 decks143 decks
25%synergy
Shimmer Myr
23%inclusion33 decks143 decks
22%synergy
Lodestone Golem
22%inclusion32 decks143 decks
22%synergy
Skittering Cicada
22%inclusion32 decks143 decks
22%synergy
Ulamog, the Infinite Gyre
22%inclusion31 decks143 decks
20%synergy
Marvin, Murderous Mimic
21%inclusion25 decks121 decks
19%synergy
Ulamog, the Defiler
20%inclusion28 decks137 decks
19%synergy
Grand Architect
20%inclusion3 decks15 decks
20%synergy
Kappa Cannoneer
20%inclusion3 decks15 decks
17%synergy
Sai, Master Thopterist
20%inclusion3 decks15 decks
16%synergy
Cryptothrall
19%inclusion27 decks143 decks
18%synergy
Platinum Angel
19%inclusion27 decks143 decks
18%synergy
Steel Hellkite
19%inclusion27 decks143 decks
17%synergy
Myr Welder
17%inclusion25 decks143 decks
17%synergy
Junk Diver
17%inclusion25 decks143 decks
17%synergy
Roaming Throne
17%inclusion24 decks143 decks
10%synergy
Solemn Simulacrum
16%inclusion23 decks143 decks
4%synergy
Emrakul, the Promised End
15%inclusion22 decks143 decks
15%synergy
Meteor Golem
15%inclusion21 decks143 decks
13%synergy
Wurmcoil Engine
14%inclusion20 decks143 decks
12%synergy
Scrawling Crawler
13%inclusion15 decks112 decks
11%synergy
Instants
Whir of Invention
47%inclusion7 decks15 decks
44%synergy
Dramatic Reversal
47%inclusion7 decks15 decks
42%synergy
Deflecting Swat
43%inclusion3 decks7 decks
26%synergy
Counterspell
40%inclusion6 decks15 decks
-2%synergy
Null Elemental Blast
38%inclusion53 decks141 decks
37%synergy
Warping Wail
34%inclusion48 decks143 decks
33%synergy
An Offer You Can't Refuse
33%inclusion5 decks15 decks
8%synergy
Mystical Tutor
27%inclusion4 decks15 decks
15%synergy
Swan Song
27%inclusion4 decks15 decks
9%synergy
Kozilek's Command
25%inclusion34 decks137 decks
24%synergy
Sink into Stupor
21%inclusion3 decks14 decks
11%synergy
Eldritch Immunity
21%inclusion29 decks137 decks
20%synergy
Force of Negation
20%inclusion3 decks15 decks
12%synergy
Negate
20%inclusion3 decks15 decks
-1%synergy
Eldrazi Confluence
14%inclusion19 decks137 decks
13%synergy
Spatial Contortion
13%inclusion19 decks143 decks
13%synergy
Desecrate Reality
13%inclusion18 decks143 decks
12%synergy
Titan's Presence
12%inclusion17 decks143 decks
11%synergy
Not of This World
12%inclusion17 decks143 decks
11%synergy
Scour from Existence
9.1%inclusion13 decks143 decks
9%synergy
Sorceries
Vandalblast
57%inclusion4 decks7 decks
42%synergy
Transmute Artifact
40%inclusion6 decks15 decks
39%synergy
Thoughtcast
40%inclusion6 decks15 decks
37%synergy
Reshape
27%inclusion4 decks15 decks
26%synergy
Rise of the Eldrazi
23%inclusion33 decks143 decks
22%synergy
Selective Obliteration
12%inclusion17 decks137 decks
12%synergy
Calamity of the Titans
7.7%inclusion11 decks143 decks
7%synergy
Introduction to Annihilation
6.3%inclusion9 decks143 decks
6%synergy
Utility Artifacts
Cloud Key
66%inclusion94 decks143 decks
64%synergy
Staff of Domination
60%inclusion86 decks143 decks
59%synergy
Planar Bridge
52%inclusion75 decks143 decks
52%synergy
Darksteel Forge
52%inclusion75 decks143 decks
51%synergy
Chimil, the Inner Sun
47%inclusion67 decks143 decks
45%synergy
Moonsilver Key
45%inclusion65 decks143 decks
44%synergy
Expedition Map
43%inclusion62 decks143 decks
41%synergy
Mycosynth Lattice
43%inclusion61 decks143 decks
42%synergy
Darksteel Monolith
36%inclusion51 decks143 decks
35%synergy
Semblance Anvil
36%inclusion51 decks143 decks
35%synergy
Lightning Greaves
35%inclusion50 decks143 decks
10%synergy
Krark-Clan Ironworks
34%inclusion48 decks143 decks
32%synergy
Mirage Mirror
32%inclusion46 decks143 decks
31%synergy
Doubling Cube
31%inclusion45 decks143 decks
31%synergy
Strionic Resonator
30%inclusion43 decks143 decks
28%synergy
Portal to Phyrexia
29%inclusion41 decks143 decks
27%synergy
Aetherflux Reservoir
27%inclusion39 decks143 decks
24%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
Simulacrum Synthesizer
27%inclusion4 decks15 decks
25%synergy
Mind's Eye
27%inclusion38 decks143 decks
26%synergy
Helm of the Host
26%inclusion37 decks143 decks
23%synergy
Commander's Plate
24%inclusion35 decks143 decks
22%synergy
The Endstone
23%inclusion17 decks75 decks
22%synergy
The Millennium Calendar
20%inclusion28 decks143 decks
19%synergy
Thran Temporal Gateway
19%inclusion27 decks143 decks
19%synergy
Mirrorworks
19%inclusion27 decks143 decks
18%synergy
The Immortal Sun
19%inclusion27 decks143 decks
18%synergy
Palantír of Orthanc
18%inclusion26 decks143 decks
17%synergy
Torpor Orb
17%inclusion25 decks143 decks
17%synergy
Vedalken Orrery
17%inclusion25 decks143 decks
16%synergy
Horizon Stone
17%inclusion24 decks143 decks
16%synergy
Swiftfoot Boots
17%inclusion24 decks143 decks
-10%synergy
God-Pharaoh's Statue
15%inclusion22 decks143 decks
15%synergy
Akroma's Memorial
15%inclusion22 decks143 decks
14%synergy
Mindslaver
15%inclusion21 decks143 decks
14%synergy
Winter Orb
15%inclusion21 decks143 decks
14%synergy
Illusionist's Bracers
15%inclusion21 decks143 decks
14%synergy
Memory Jar
14%inclusion20 decks143 decks
14%synergy
Gonti's Aether Heart
13%inclusion19 decks143 decks
13%synergy
Nevinyrral's Disk
13%inclusion19 decks143 decks
12%synergy
Scroll Rack
13%inclusion19 decks143 decks
12%synergy
Ashnod's Altar
13%inclusion19 decks143 decks
7%synergy
Excalibur, Sword of Eden
13%inclusion17 decks133 decks
11%synergy
Eye of Vecna
13%inclusion18 decks143 decks
12%synergy
Magistrate's Scepter
13%inclusion18 decks143 decks
12%synergy
Spine of Ish Sah
13%inclusion18 decks143 decks
12%synergy
Thousand-Year Elixir
12%inclusion17 decks143 decks
10%synergy
Trinisphere
11%inclusion16 decks143 decks
11%synergy
Helm of Awakening
11%inclusion16 decks143 decks
10%synergy
Agatha's Soul Cauldron
10%inclusion15 decks143 decks
9%synergy
Enchantments
Training Grounds
47%inclusion7 decks15 decks
44%synergy
Rhystic Study
40%inclusion6 decks15 decks
17%synergy
Echoes of Eternity
38%inclusion52 decks137 decks
37%synergy
Power Artifact
33%inclusion5 decks15 decks
33%synergy
Mystic Remora
33%inclusion5 decks15 decks
17%synergy
Copy Artifact
27%inclusion4 decks15 decks
26%synergy
Leyline of Anticipation
20%inclusion3 decks15 decks
16%synergy
Planeswalkers
Karn, the Great Creator
64%inclusion92 decks143 decks
63%synergy
Ugin, the Ineffable
64%inclusion91 decks143 decks
62%synergy
Ugin, Eye of the Storms
57%inclusion52 decks92 decks
55%synergy
Ugin, the Spirit Dragon
47%inclusion67 decks143 decks
46%synergy
Tezzeret, Cruel Captain
40%inclusion31 decks77 decks
39%synergy
Karn, Living Legacy
37%inclusion53 decks143 decks
37%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
24%inclusion35 decks143 decks
24%synergy
Karn Liberated
18%inclusion26 decks143 decks
18%synergy
Utility Lands
Urza's Saga
81%inclusion116 decks143 decks
74%synergy
Darksteel Citadel
71%inclusion102 decks143 decks
68%synergy
Urza's Workshop
71%inclusion101 decks143 decks
70%synergy
Buried Ruin
69%inclusion99 decks143 decks
65%synergy
Academy Ruins
67%inclusion10 decks15 decks
61%synergy
War Room
64%inclusion91 decks143 decks
58%synergy
Minamo, School at Water's Edge
53%inclusion8 decks15 decks
49%synergy
Thespian's Stage
52%inclusion75 decks143 decks
50%synergy
Shrine of the Forsaken Gods
48%inclusion68 decks143 decks
46%synergy
Reliquary Tower
46%inclusion66 decks143 decks
16%synergy
Fomori Vault
45%inclusion64 decks143 decks
44%synergy
Archway of Innovation
43%inclusion6 decks14 decks
40%synergy
Strip Mine
43%inclusion61 decks143 decks
40%synergy
Uthros, Titanic Godcore
40%inclusion4 decks10 decks
37%synergy
Deserted Temple
38%inclusion55 decks143 decks
38%synergy
Wasteland
38%inclusion55 decks143 decks
37%synergy
Treasure Vault
38%inclusion54 decks143 decks
35%synergy
Scavenger Grounds
38%inclusion54 decks143 decks
34%synergy
Scorched Ruins
37%inclusion53 decks143 decks
37%synergy
Urza's Factory
37%inclusion53 decks143 decks
37%synergy
Blast Zone
36%inclusion51 decks143 decks
35%synergy
Sanctum of Ugin
34%inclusion49 decks143 decks
34%synergy
Crystal Vein
34%inclusion49 decks143 decks
33%synergy
Mystic Sanctuary
33%inclusion5 decks15 decks
23%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Zhalfirin Void
32%inclusion46 decks143 decks
32%synergy
Ugin's Labyrinth
32%inclusion45 decks142 decks
31%synergy
Rogue's Passage
31%inclusion45 decks143 decks
11%synergy
Vesuva
29%inclusion41 decks143 decks
27%synergy
Homeward Path
28%inclusion40 decks143 decks
27%synergy
Bonders' Enclave
28%inclusion40 decks143 decks
26%synergy
Tomb of the Spirit Dragon
27%inclusion39 decks143 decks
26%synergy
Command Beacon
27%inclusion39 decks143 decks
22%synergy
Eldrazi Temple
24%inclusion35 decks143 decks
23%synergy
Mikokoro, Center of the Sea
24%inclusion35 decks143 decks
23%synergy
Geier Reach Sanitarium
24%inclusion35 decks143 decks
22%synergy
Temple of the False God
23%inclusion33 decks143 decks
14%synergy
Arch of Orazca
21%inclusion30 decks143 decks
20%synergy
City of Traitors
19%inclusion27 decks143 decks
18%synergy
Field of the Dead
19%inclusion27 decks143 decks
16%synergy
Emergence Zone
18%inclusion26 decks143 decks
16%synergy
Karn's Bastion
17%inclusion25 decks143 decks
13%synergy
Eye of Ugin
17%inclusion24 decks143 decks
16%synergy
Arcane Lighthouse
17%inclusion24 decks143 decks
15%synergy
Guildless Commons
14%inclusion20 decks143 decks
13%synergy
Muraganda Raceway
14%inclusion14 decks103 decks
12%synergy
Ghost Quarter
13%inclusion18 decks143 decks
11%synergy
Fountainport
12%inclusion16 decks130 decks
11%synergy
Sea Gate Wreckage
10%inclusion14 decks143 decks
9%synergy
Mage-Ring Network
10%inclusion14 decks143 decks
9%synergy
Mana Artifacts
Sol Ring
99%inclusion142 decks143 decks
16%synergy
Thran Dynamo
87%inclusion124 decks143 decks
82%synergy
Everflowing Chalice
65%inclusion93 decks143 decks
61%synergy
Mox Opal
62%inclusion89 decks143 decks
58%synergy
Mind Stone
57%inclusion82 decks143 decks
43%synergy
Thought Vessel
54%inclusion77 decks143 decks
37%synergy
Hedron Archive
38%inclusion54 decks143 decks
35%synergy
Liquimetal Torque
34%inclusion49 decks143 decks
32%synergy
Lotus Petal
28%inclusion40 decks143 decks
21%synergy
Sonic Screwdriver
27%inclusion39 decks143 decks
26%synergy
Worn Powerstone
24%inclusion35 decks143 decks
22%synergy
The Eternity Elevator
23%inclusion17 decks75 decks
21%synergy
Dreamstone Hedron
22%inclusion32 decks143 decks
21%synergy
Gilded Lotus
22%inclusion31 decks143 decks
19%synergy
The Mightstone and Weakstone
21%inclusion30 decks143 decks
20%synergy
Chromatic Orrery
19%inclusion27 decks143 decks
18%synergy
Blinkmoth Urn
17%inclusion24 decks143 decks
16%synergy
Fellwar Stone
14%inclusion20 decks143 decks
-6%synergy
Mana Crypt
13%inclusion19 decks143 decks
12%synergy
Arcane Signet
13%inclusion19 decks143 decks
-59%synergy
Staff of Compleation
11%inclusion16 decks143 decks
10%synergy
The Aetherspark
10%inclusion10 decks103 decks
9%synergy
Stonespeaker Crystal
9.1%inclusion13 decks143 decks
9%synergy
Sol Talisman
7.7%inclusion11 decks143 decks
7%synergy
Jeweled Lotus
7.7%inclusion11 decks143 decks
7%synergy
Lion's Eye Diamond
7.7%inclusion11 decks143 decks
6%synergy
Prismatic Lens
7.0%inclusion10 decks143 decks
6%synergy
Mox Amber
7.0%inclusion10 decks143 decks
2%synergy
The Irencrag
6.3%inclusion9 decks143 decks
6%synergy
Chrome Mox
6.3%inclusion9 decks143 decks
0%synergy
Unstable Obelisk
5.6%inclusion8 decks143 decks
5%synergy
Lands
Steam Vents
100%inclusion3 decks3 decks
62%synergy
Urza's Cave
58%inclusion82 decks141 decks
55%synergy
The Mycosynth Gardens
53%inclusion76 decks143 decks
51%synergy
Planar Nexus
37%inclusion52 decks141 decks
36%synergy
Cavern of Souls
24%inclusion35 decks143 decks
17%synergy
Talon Gates of Madara
23%inclusion31 decks137 decks
20%synergy
Gemstone Caverns
22%inclusion32 decks143 decks
17%synergy
Hall of Tagsin
15%inclusion22 decks143 decks
15%synergy
Crystal Grotto
13%inclusion18 decks143 decks
12%synergy
Abstergo Entertainment
11%inclusion15 decks133 decks
10%synergy
Power Depot
8.4%inclusion12 decks143 decks
8%synergy
Demolition Field
7.7%inclusion11 decks143 decks
5%synergy
The Grey Havens
6.3%inclusion9 decks143 decks
5%synergy
Plaza of Heroes
6.3%inclusion9 decks143 decks
4%synergy