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%inclusion49 decks5.62K decks
The Peregrine Dynamo
3.1%inclusion30 decks979 decks
Liberator, Urza's Battlethopter
0.4%inclusion10 decks2.66K decks
Karn, Silver Golem
0.8%inclusion9 decks1.07K decks
Marvin, Murderous Mimic
0.3%inclusion5 decks1.67K decks
Kozilek, Butcher of Truth
0.5%inclusion4 decks886 decks
Urza, Lord High Artificer
0.0%inclusion4 decks17.8K decks
Dawnsire, Sunstar Dreadnought
0.2%inclusion3 decks1.69K decks
Kozilek, the Great Distortion
0.1%inclusion3 decks5.38K decks
Zhulodok, Void Gorger
0.0%inclusion3 decks20K decks
Ultima, Origin of Oblivion
0.0%inclusion2 decks5.08K decks
Memnarch
0.1%inclusion2 decks1.98K decks
Traxos, Scourge of Kroog
0.1%inclusion2 decks2.02K decks
Ulamog, the Defiler
0.1%inclusion2 decks1.41K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion1 decks4.15K decks
Bosh, Iron Golem
0.1%inclusion1 decks752 decks
Idris, Soul of the TARDIS
0.8%inclusion1 decks132 decks
The Walls of Ba Sing Se
0.1%inclusion1 decks843 decks
New Cards
Krang, Utrom Warlord
14%inclusion2 decks14 decks
14%synergy
Technodrome
7.1%inclusion1 decks14 decks
7%synergy
High Synergy Cards
Forsaken Monument
90%inclusion131 decks145 decks
89%synergy
Mystic Forge
89%inclusion129 decks145 decks
86%synergy
Unwinding Clock
86%inclusion125 decks145 decks
84%synergy
Inventors' Fair
86%inclusion125 decks145 decks
82%synergy
Seat of the Synod
87%inclusion13 decks15 decks
80%synergy
Voltaic Key
81%inclusion117 decks145 decks
80%synergy
Urza's Power Plant
81%inclusion118 decks145 decks
80%synergy
Urza's Mine
81%inclusion118 decks145 decks
80%synergy
Urza's Tower
81%inclusion118 decks145 decks
80%synergy
Great Furnace
83%inclusion5 decks6 decks
77%synergy
Top Cards
Manifold Key
74%inclusion108 decks145 decks
73%synergy
Sensei's Divining Top
74%inclusion107 decks145 decks
69%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Mana Drain
73%inclusion11 decks15 decks
59%synergy
Metalworker
73%inclusion106 decks145 decks
73%synergy
Foundry Inspector
73%inclusion106 decks145 decks
69%synergy
Rings of Brighthearth
72%inclusion105 decks145 decks
71%synergy
Sculpting Steel
72%inclusion105 decks145 decks
70%synergy
All Is Dust
72%inclusion104 decks145 decks
70%synergy
Fabricate
67%inclusion10 decks15 decks
61%synergy
Game Changers
Mana Vault
83%inclusion121 decks145 decks
78%synergy
Ancient Tomb
81%inclusion117 decks145 decks
71%synergy
Gamble
67%inclusion4 decks6 decks
58%synergy
The One Ring
66%inclusion96 decks145 decks
58%synergy
Mishra's Workshop
56%inclusion81 decks145 decks
55%synergy
Fierce Guardianship
53%inclusion8 decks15 decks
36%synergy
Rhystic Study
47%inclusion7 decks15 decks
23%synergy
Force of Will
40%inclusion6 decks15 decks
30%synergy
Cyclonic Rift
40%inclusion6 decks15 decks
18%synergy
Mox Diamond
26%inclusion38 decks145 decks
22%synergy
Creatures
Liberator, Urza's Battlethopter
53%inclusion77 decks145 decks
52%synergy
Walking Ballista
51%inclusion74 decks145 decks
48%synergy
Jhoira's Familiar
50%inclusion72 decks145 decks
48%synergy
Forensic Gadgeteer
47%inclusion7 decks15 decks
44%synergy
Urza, Lord High Artificer
47%inclusion7 decks15 decks
43%synergy
Phyrexian Metamorph
47%inclusion7 decks15 decks
39%synergy
Kuldotha Forgemaster
43%inclusion62 decks145 decks
42%synergy
Palladium Myr
41%inclusion60 decks145 decks
40%synergy
Voltaic Construct
40%inclusion58 decks145 decks
40%synergy
Thought Monitor
40%inclusion6 decks15 decks
36%synergy
Scrap Trawler
38%inclusion55 decks145 decks
36%synergy
Blightsteel Colossus
36%inclusion52 decks145 decks
34%synergy
Myr Retriever
34%inclusion50 decks145 decks
33%synergy
Master Transmuter
33%inclusion5 decks15 decks
32%synergy
The Reality Chip
33%inclusion5 decks15 decks
30%synergy
Emry, Lurker of the Loch
33%inclusion5 decks15 decks
29%synergy
Mycosynth Golem
33%inclusion48 decks145 decks
33%synergy
Metalwork Colossus
33%inclusion48 decks145 decks
32%synergy
Wandering Archaic
33%inclusion48 decks145 decks
32%synergy
Kozilek, the Great Distortion
32%inclusion47 decks145 decks
31%synergy
Ultima, Origin of Oblivion
32%inclusion24 decks75 decks
31%synergy
Cityscape Leveler
30%inclusion44 decks145 decks
30%synergy
Kozilek, Butcher of Truth
29%inclusion42 decks145 decks
28%synergy
Glaring Fleshraker
29%inclusion38 decks132 decks
27%synergy
Abstruse Archaic
28%inclusion40 decks145 decks
27%synergy
Ulamog, the Ceaseless Hunger
27%inclusion39 decks145 decks
26%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
Shimmer Myr
25%inclusion36 decks145 decks
24%synergy
Lodestone Golem
23%inclusion34 decks145 decks
23%synergy
Skittering Cicada
23%inclusion34 decks145 decks
23%synergy
Ulamog, the Infinite Gyre
22%inclusion32 decks145 decks
21%synergy
Ulamog, the Defiler
22%inclusion29 decks132 decks
21%synergy
Marvin, Murderous Mimic
22%inclusion25 decks115 decks
20%synergy
Grand Architect
20%inclusion3 decks15 decks
20%synergy
Steel Hellkite
20%inclusion29 decks145 decks
19%synergy
Kappa Cannoneer
20%inclusion3 decks15 decks
17%synergy
Sai, Master Thopterist
20%inclusion3 decks15 decks
16%synergy
Platinum Angel
19%inclusion27 decks145 decks
18%synergy
Cryptothrall
18%inclusion26 decks145 decks
17%synergy
Myr Welder
17%inclusion24 decks145 decks
16%synergy
Roaming Throne
17%inclusion24 decks145 decks
10%synergy
Junk Diver
16%inclusion23 decks145 decks
15%synergy
Emrakul, the Promised End
16%inclusion23 decks145 decks
15%synergy
Wurmcoil Engine
15%inclusion22 decks145 decks
14%synergy
Meteor Golem
15%inclusion22 decks145 decks
13%synergy
Solemn Simulacrum
15%inclusion22 decks145 decks
3%synergy
Steel Overseer
14%inclusion21 decks145 decks
13%synergy
Scrawling Crawler
14%inclusion15 decks106 decks
12%synergy
Instants
Whir of Invention
47%inclusion7 decks15 decks
44%synergy
Dramatic Reversal
47%inclusion7 decks15 decks
42%synergy
Counterspell
40%inclusion6 decks15 decks
-2%synergy
Null Elemental Blast
37%inclusion50 decks136 decks
36%synergy
An Offer You Can't Refuse
33%inclusion5 decks15 decks
9%synergy
Warping Wail
32%inclusion46 decks145 decks
31%synergy
Mystical Tutor
27%inclusion4 decks15 decks
15%synergy
Swan Song
27%inclusion4 decks15 decks
9%synergy
Kozilek's Command
24%inclusion32 decks132 decks
23%synergy
Sink into Stupor
23%inclusion3 decks13 decks
13%synergy
Force of Negation
20%inclusion3 decks15 decks
12%synergy
Negate
20%inclusion3 decks15 decks
-1%synergy
Eldritch Immunity
20%inclusion26 decks132 decks
19%synergy
Eldrazi Confluence
14%inclusion18 decks132 decks
13%synergy
Spatial Contortion
13%inclusion19 decks145 decks
13%synergy
Desecrate Reality
13%inclusion19 decks145 decks
13%synergy
Not of This World
12%inclusion17 decks145 decks
11%synergy
Titan's Presence
11%inclusion16 decks145 decks
11%synergy
Scour from Existence
10%inclusion15 decks145 decks
10%synergy
Sorceries
Vandalblast
67%inclusion4 decks6 decks
51%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
22%inclusion32 decks145 decks
21%synergy
Selective Obliteration
11%inclusion14 decks132 decks
10%synergy
Calamity of the Titans
7.6%inclusion11 decks145 decks
7%synergy
Introduction to Annihilation
6.2%inclusion9 decks145 decks
6%synergy
Utility Artifacts
Cloud Key
65%inclusion94 decks145 decks
63%synergy
Staff of Domination
61%inclusion88 decks145 decks
59%synergy
Planar Bridge
53%inclusion77 decks145 decks
53%synergy
Darksteel Forge
53%inclusion77 decks145 decks
52%synergy
Chimil, the Inner Sun
48%inclusion69 decks145 decks
46%synergy
Moonsilver Key
46%inclusion67 decks145 decks
45%synergy
Mycosynth Lattice
45%inclusion65 decks145 decks
44%synergy
Expedition Map
43%inclusion62 decks145 decks
40%synergy
Darksteel Monolith
36%inclusion52 decks145 decks
35%synergy
Semblance Anvil
35%inclusion51 decks145 decks
34%synergy
Mirage Mirror
34%inclusion50 decks145 decks
33%synergy
Lightning Greaves
33%inclusion48 decks145 decks
8%synergy
Doubling Cube
32%inclusion46 decks145 decks
31%synergy
Krark-Clan Ironworks
32%inclusion46 decks145 decks
31%synergy
Portal to Phyrexia
30%inclusion43 decks145 decks
28%synergy
Mind's Eye
29%inclusion42 decks145 decks
28%synergy
Simulacrum Synthesizer
29%inclusion4 decks14 decks
27%synergy
Strionic Resonator
28%inclusion41 decks145 decks
26%synergy
Aetherflux Reservoir
27%inclusion39 decks145 decks
24%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
Helm of the Host
26%inclusion38 decks145 decks
23%synergy
Commander's Plate
24%inclusion35 decks145 decks
22%synergy
The Endstone
22%inclusion15 decks67 decks
22%synergy
The Immortal Sun
21%inclusion30 decks145 decks
20%synergy
Thran Temporal Gateway
19%inclusion28 decks145 decks
19%synergy
The Millennium Calendar
19%inclusion28 decks145 decks
19%synergy
Mirrorworks
19%inclusion28 decks145 decks
19%synergy
Torpor Orb
19%inclusion27 decks145 decks
18%synergy
Palantír of Orthanc
18%inclusion26 decks145 decks
17%synergy
Vedalken Orrery
17%inclusion25 decks145 decks
16%synergy
God-Pharaoh's Statue
17%inclusion24 decks145 decks
16%synergy
Swiftfoot Boots
17%inclusion24 decks145 decks
-11%synergy
Horizon Stone
16%inclusion23 decks145 decks
15%synergy
Memory Jar
15%inclusion22 decks145 decks
15%synergy
Winter Orb
15%inclusion22 decks145 decks
15%synergy
Akroma's Memorial
15%inclusion22 decks145 decks
14%synergy
Mindslaver
14%inclusion21 decks145 decks
14%synergy
Nevinyrral's Disk
14%inclusion21 decks145 decks
14%synergy
Illusionist's Bracers
14%inclusion21 decks145 decks
13%synergy
Excalibur, Sword of Eden
13%inclusion17 decks128 decks
12%synergy
Eye of Vecna
13%inclusion19 decks145 decks
13%synergy
Magistrate's Scepter
13%inclusion19 decks145 decks
13%synergy
Gonti's Aether Heart
13%inclusion19 decks145 decks
13%synergy
Ashnod's Altar
13%inclusion19 decks145 decks
7%synergy
Trinisphere
12%inclusion18 decks145 decks
12%synergy
Thousand-Year Elixir
12%inclusion18 decks145 decks
11%synergy
Spine of Ish Sah
12%inclusion17 decks145 decks
11%synergy
Helm of Awakening
12%inclusion17 decks145 decks
11%synergy
Scroll Rack
12%inclusion17 decks145 decks
11%synergy
Agatha's Soul Cauldron
11%inclusion16 decks145 decks
10%synergy
Enchantments
Training Grounds
47%inclusion7 decks15 decks
44%synergy
Echoes of Eternity
38%inclusion50 decks132 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
65%inclusion94 decks145 decks
64%synergy
Ugin, the Ineffable
63%inclusion92 decks145 decks
62%synergy
Ugin, Eye of the Storms
59%inclusion50 decks85 decks
58%synergy
Ugin, the Spirit Dragon
47%inclusion68 decks145 decks
46%synergy
Tezzeret, Cruel Captain
42%inclusion29 decks69 decks
40%synergy
Karn, Living Legacy
37%inclusion54 decks145 decks
37%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
27%inclusion39 decks145 decks
27%synergy
Karn Liberated
19%inclusion28 decks145 decks
19%synergy
Utility Lands
Vault of Whispers
100%inclusion3 decks3 decks
96%synergy
Urza's Saga
81%inclusion118 decks145 decks
74%synergy
Urza's Workshop
72%inclusion104 decks145 decks
71%synergy
Buried Ruin
71%inclusion103 decks145 decks
66%synergy
Darksteel Citadel
70%inclusion102 decks145 decks
67%synergy
Academy Ruins
67%inclusion10 decks15 decks
61%synergy
War Room
62%inclusion90 decks145 decks
56%synergy
Thespian's Stage
54%inclusion79 decks145 decks
52%synergy
Minamo, School at Water's Edge
53%inclusion8 decks15 decks
49%synergy
Reliquary Tower
48%inclusion69 decks145 decks
18%synergy
Shrine of the Forsaken Gods
47%inclusion68 decks145 decks
46%synergy
Fomori Vault
46%inclusion64 decks138 decks
45%synergy
Archway of Innovation
46%inclusion6 decks13 decks
43%synergy
Uthros, Titanic Godcore
44%inclusion4 decks9 decks
41%synergy
Strip Mine
41%inclusion60 decks145 decks
39%synergy
Treasure Vault
40%inclusion58 decks145 decks
37%synergy
Wasteland
39%inclusion57 decks145 decks
38%synergy
Deserted Temple
39%inclusion56 decks145 decks
38%synergy
Urza's Factory
38%inclusion55 decks145 decks
38%synergy
Scavenger Grounds
37%inclusion54 decks145 decks
34%synergy
Scorched Ruins
37%inclusion53 decks145 decks
36%synergy
Blast Zone
37%inclusion53 decks145 decks
36%synergy
Crystal Vein
36%inclusion52 decks145 decks
35%synergy
Sanctum of Ugin
34%inclusion49 decks145 decks
33%synergy
Mystic Sanctuary
33%inclusion5 decks15 decks
23%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Ugin's Labyrinth
33%inclusion45 decks137 decks
32%synergy
Zhalfirin Void
32%inclusion46 decks145 decks
31%synergy
Rogue's Passage
30%inclusion44 decks145 decks
10%synergy
Homeward Path
30%inclusion43 decks145 decks
28%synergy
Vesuva
30%inclusion43 decks145 decks
28%synergy
Tomb of the Spirit Dragon
28%inclusion41 decks145 decks
27%synergy
Bonders' Enclave
28%inclusion41 decks145 decks
26%synergy
Mikokoro, Center of the Sea
27%inclusion39 decks145 decks
25%synergy
Command Beacon
26%inclusion38 decks145 decks
21%synergy
Geier Reach Sanitarium
24%inclusion35 decks145 decks
21%synergy
Eldrazi Temple
23%inclusion34 decks145 decks
22%synergy
Temple of the False God
23%inclusion33 decks145 decks
14%synergy
Emergence Zone
21%inclusion31 decks145 decks
19%synergy
Arch of Orazca
20%inclusion29 decks145 decks
19%synergy
City of Traitors
20%inclusion29 decks145 decks
19%synergy
Field of the Dead
19%inclusion28 decks145 decks
16%synergy
Arcane Lighthouse
17%inclusion25 decks145 decks
16%synergy
Karn's Bastion
17%inclusion25 decks145 decks
13%synergy
Eye of Ugin
17%inclusion24 decks145 decks
16%synergy
Guildless Commons
14%inclusion21 decks145 decks
13%synergy
Muraganda Raceway
14%inclusion14 decks97 decks
13%synergy
Ghost Quarter
13%inclusion19 decks145 decks
11%synergy
Fountainport
13%inclusion16 decks125 decks
11%synergy
Mage-Ring Network
10%inclusion15 decks145 decks
10%synergy
Mana Artifacts
Dimir Signet
100%inclusion3 decks3 decks
75%synergy
Sol Ring
99%inclusion144 decks145 decks
16%synergy
Thran Dynamo
87%inclusion126 decks145 decks
82%synergy
Everflowing Chalice
65%inclusion94 decks145 decks
61%synergy
Mox Opal
63%inclusion92 decks145 decks
59%synergy
Mind Stone
57%inclusion82 decks145 decks
42%synergy
Thought Vessel
54%inclusion78 decks145 decks
36%synergy
Hedron Archive
37%inclusion53 decks145 decks
34%synergy
Liquimetal Torque
35%inclusion51 decks145 decks
32%synergy
Lotus Petal
28%inclusion41 decks145 decks
21%synergy
Sonic Screwdriver
27%inclusion39 decks145 decks
26%synergy
The Mightstone and Weakstone
23%inclusion34 decks145 decks
23%synergy
Worn Powerstone
23%inclusion34 decks145 decks
21%synergy
Dreamstone Hedron
22%inclusion32 decks145 decks
21%synergy
Gilded Lotus
21%inclusion31 decks145 decks
18%synergy
The Eternity Elevator
21%inclusion14 decks67 decks
20%synergy
Chromatic Orrery
19%inclusion28 decks145 decks
18%synergy
Blinkmoth Urn
19%inclusion27 decks145 decks
18%synergy
Mana Crypt
17%inclusion25 decks145 decks
15%synergy
Fellwar Stone
12%inclusion18 decks145 decks
-8%synergy
Arcane Signet
12%inclusion18 decks145 decks
-60%synergy
Jeweled Lotus
10%inclusion15 decks145 decks
9%synergy
The Aetherspark
10%inclusion10 decks97 decks
9%synergy
Staff of Compleation
10%inclusion14 decks145 decks
8%synergy
Stonespeaker Crystal
9.0%inclusion13 decks145 decks
8%synergy
Lion's Eye Diamond
7.6%inclusion11 decks145 decks
6%synergy
Sol Talisman
6.2%inclusion9 decks145 decks
5%synergy
Prismatic Lens
6.2%inclusion9 decks145 decks
5%synergy
Mox Amber
6.2%inclusion9 decks145 decks
2%synergy
Chrome Mox
6.2%inclusion9 decks145 decks
0%synergy
Unstable Obelisk
5.5%inclusion8 decks145 decks
5%synergy
The Irencrag
5.5%inclusion8 decks145 decks
5%synergy
Patriar's Seal
5.5%inclusion8 decks145 decks
4%synergy
Lands
Mistvault Bridge
100%inclusion3 decks3 decks
96%synergy
Steam Vents
100%inclusion3 decks3 decks
62%synergy
Urza's Cave
59%inclusion80 decks136 decks
56%synergy
The Mycosynth Gardens
54%inclusion79 decks145 decks
53%synergy
Planar Nexus
38%inclusion51 decks136 decks
37%synergy
Cavern of Souls
26%inclusion38 decks145 decks
19%synergy
Gemstone Caverns
23%inclusion33 decks145 decks
18%synergy
Talon Gates of Madara
23%inclusion30 decks132 decks
20%synergy
Hall of Tagsin
14%inclusion20 decks145 decks
14%synergy
Crystal Grotto
12%inclusion18 decks145 decks
12%synergy
Abstergo Entertainment
11%inclusion14 decks128 decks
10%synergy
Power Depot
9.0%inclusion13 decks145 decks
8%synergy
Demolition Field
8.3%inclusion12 decks145 decks
5%synergy
The Grey Havens
6.2%inclusion9 decks145 decks
5%synergy
Plaza of Heroes
6.2%inclusion9 decks145 decks
4%synergy
Command Tower
6.2%inclusion9 decks145 decks
-68%synergy