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%inclusion51 decks5.93K decks
The Peregrine Dynamo
3.1%inclusion31 decks1.01K decks
Liberator, Urza's Battlethopter
0.3%inclusion9 decks2.68K decks
Karn, Silver Golem
0.6%inclusion7 decks1.09K decks
Marvin, Murderous Mimic
0.3%inclusion6 decks1.77K decks
Kozilek, Butcher of Truth
0.4%inclusion4 decks894 decks
Dawnsire, Sunstar Dreadnought
0.2%inclusion4 decks2.11K decks
Urza, Lord High Artificer
0.0%inclusion4 decks18.7K decks
Kozilek, the Great Distortion
0.1%inclusion3 decks5.36K decks
Zhulodok, Void Gorger
0.0%inclusion3 decks20.5K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion2 decks4.18K decks
Ultima, Origin of Oblivion
0.0%inclusion2 decks5.90K decks
Memnarch
0.1%inclusion2 decks2.06K decks
Ulamog, the Defiler
0.1%inclusion2 decks1.56K decks
Bosh, Iron Golem
0.1%inclusion1 decks767 decks
Mendicant Core, Guidelight
0.0%inclusion1 decks13.9K decks
Idris, Soul of the TARDIS
0.7%inclusion1 decks136 decks
The Walls of Ba Sing Se
0.1%inclusion1 decks1.02K decks
New Cards
Ravenous Robots
100%inclusion1 decks1 decks
99%synergy
Krang, Utrom Warlord
6.7%inclusion2 decks30 decks
6%synergy
Coin of Mastery
4.8%inclusion1 decks21 decks
4%synergy
Technodrome
3.3%inclusion1 decks30 decks
3%synergy
High Synergy Cards
Forsaken Monument
89%inclusion131 decks147 decks
87%synergy
Mystic Forge
89%inclusion131 decks147 decks
86%synergy
Unwinding Clock
85%inclusion125 decks147 decks
83%synergy
Inventors' Fair
85%inclusion125 decks147 decks
81%synergy
Voltaic Key
81%inclusion119 decks147 decks
80%synergy
Urza's Power Plant
82%inclusion120 decks147 decks
80%synergy
Urza's Mine
82%inclusion120 decks147 decks
80%synergy
Urza's Tower
82%inclusion120 decks147 decks
80%synergy
Seat of the Synod
87%inclusion13 decks15 decks
80%synergy
Great Furnace
86%inclusion6 decks7 decks
80%synergy
Top Cards
Manifold Key
76%inclusion111 decks147 decks
74%synergy
Metalworker
74%inclusion109 decks147 decks
74%synergy
Foundry Inspector
74%inclusion109 decks147 decks
70%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Rings of Brighthearth
72%inclusion106 decks147 decks
71%synergy
Sculpting Steel
72%inclusion106 decks147 decks
70%synergy
Sensei's Divining Top
72%inclusion106 decks147 decks
68%synergy
All Is Dust
70%inclusion103 decks147 decks
68%synergy
Cloud Key
67%inclusion98 decks147 decks
65%synergy
Fabricate
67%inclusion10 decks15 decks
61%synergy
Game Changers
Mana Vault
83%inclusion122 decks147 decks
77%synergy
Ancient Tomb
79%inclusion116 decks147 decks
70%synergy
The One Ring
67%inclusion99 decks147 decks
59%synergy
Mishra's Workshop
58%inclusion85 decks147 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
24%inclusion36 decks147 decks
20%synergy
Creatures
Liberator, Urza's Battlethopter
51%inclusion75 decks147 decks
50%synergy
Walking Ballista
51%inclusion75 decks147 decks
48%synergy
Jhoira's Familiar
50%inclusion73 decks147 decks
48%synergy
Forensic Gadgeteer
47%inclusion7 decks15 decks
44%synergy
Phyrexian Metamorph
47%inclusion7 decks15 decks
39%synergy
Kuldotha Forgemaster
45%inclusion66 decks147 decks
44%synergy
Palladium Myr
43%inclusion63 decks147 decks
41%synergy
Goblin Welder
43%inclusion3 decks7 decks
41%synergy
Voltaic Construct
40%inclusion59 decks147 decks
40%synergy
Scrap Trawler
40%inclusion59 decks147 decks
38%synergy
Urza, Lord High Artificer
40%inclusion6 decks15 decks
37%synergy
Myr Retriever
38%inclusion56 decks147 decks
36%synergy
Blightsteel Colossus
37%inclusion55 decks147 decks
36%synergy
Mycosynth Golem
35%inclusion51 decks147 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
Metalwork Colossus
32%inclusion47 decks147 decks
31%synergy
Wandering Archaic
32%inclusion47 decks147 decks
31%synergy
Glaring Fleshraker
30%inclusion43 decks142 decks
29%synergy
Cityscape Leveler
30%inclusion44 decks147 decks
29%synergy
Kozilek, the Great Distortion
30%inclusion44 decks147 decks
29%synergy
Ultima, Origin of Oblivion
30%inclusion26 decks88 decks
29%synergy
Abstruse Archaic
27%inclusion40 decks147 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
Kozilek, Butcher of Truth
27%inclusion39 decks147 decks
25%synergy
Ulamog, the Ceaseless Hunger
25%inclusion37 decks147 decks
24%synergy
Shimmer Myr
24%inclusion35 decks147 decks
23%synergy
Lodestone Golem
22%inclusion33 decks147 decks
22%synergy
Skittering Cicada
22%inclusion32 decks147 decks
21%synergy
Ulamog, the Infinite Gyre
21%inclusion31 decks147 decks
20%synergy
Marvin, Murderous Mimic
21%inclusion26 decks126 decks
19%synergy
Platinum Angel
20%inclusion30 decks147 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
20%inclusion29 decks147 decks
19%synergy
Ulamog, the Defiler
20%inclusion28 decks142 decks
19%synergy
Myr Welder
18%inclusion26 decks147 decks
17%synergy
Junk Diver
18%inclusion26 decks147 decks
17%synergy
Steel Hellkite
18%inclusion26 decks147 decks
16%synergy
Solemn Simulacrum
17%inclusion25 decks147 decks
5%synergy
Roaming Throne
16%inclusion23 decks147 decks
9%synergy
Emrakul, the Promised End
15%inclusion22 decks147 decks
14%synergy
Wurmcoil Engine
15%inclusion22 decks147 decks
13%synergy
Meteor Golem
15%inclusion22 decks147 decks
13%synergy
Steel Overseer
14%inclusion21 decks147 decks
13%synergy
Instants
Mana Drain
67%inclusion10 decks15 decks
52%synergy
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%inclusion56 decks146 decks
37%synergy
An Offer You Can't Refuse
33%inclusion5 decks15 decks
8%synergy
Warping Wail
33%inclusion48 decks147 decks
32%synergy
Mystical Tutor
27%inclusion4 decks15 decks
15%synergy
Swan Song
27%inclusion4 decks15 decks
9%synergy
Kozilek's Command
25%inclusion36 decks142 decks
25%synergy
Sink into Stupor
21%inclusion3 decks14 decks
11%synergy
Eldritch Immunity
20%inclusion29 decks142 decks
20%synergy
Force of Negation
20%inclusion3 decks15 decks
12%synergy
Negate
20%inclusion3 decks15 decks
-1%synergy
Eldrazi Confluence
13%inclusion19 decks142 decks
13%synergy
Spatial Contortion
13%inclusion19 decks147 decks
13%synergy
Desecrate Reality
13%inclusion19 decks147 decks
12%synergy
Not of This World
13%inclusion19 decks147 decks
12%synergy
Titan's Presence
12%inclusion17 decks147 decks
11%synergy
Scour from Existence
8.8%inclusion13 decks147 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%inclusion34 decks147 decks
22%synergy
Selective Obliteration
13%inclusion18 decks142 decks
12%synergy
Calamity of the Titans
7.5%inclusion11 decks147 decks
7%synergy
Introduction to Annihilation
6.1%inclusion9 decks147 decks
6%synergy
Utility Artifacts
Staff of Domination
61%inclusion90 decks147 decks
60%synergy
Darksteel Forge
53%inclusion78 decks147 decks
52%synergy
Planar Bridge
52%inclusion77 decks147 decks
52%synergy
Chimil, the Inner Sun
46%inclusion68 decks147 decks
45%synergy
Moonsilver Key
45%inclusion66 decks147 decks
44%synergy
Mycosynth Lattice
42%inclusion62 decks147 decks
41%synergy
Expedition Map
41%inclusion61 decks147 decks
39%synergy
Darksteel Monolith
37%inclusion54 decks147 decks
36%synergy
Semblance Anvil
36%inclusion53 decks147 decks
35%synergy
Krark-Clan Ironworks
34%inclusion50 decks147 decks
33%synergy
Mirage Mirror
33%inclusion49 decks147 decks
32%synergy
Lightning Greaves
33%inclusion49 decks147 decks
9%synergy
Doubling Cube
32%inclusion47 decks147 decks
31%synergy
Strionic Resonator
31%inclusion46 decks147 decks
29%synergy
Mind's Eye
29%inclusion43 decks147 decks
29%synergy
Portal to Phyrexia
29%inclusion43 decks147 decks
28%synergy
Helm of the Host
27%inclusion40 decks147 decks
24%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
Simulacrum Synthesizer
27%inclusion4 decks15 decks
25%synergy
Aetherflux Reservoir
27%inclusion39 decks147 decks
23%synergy
Commander's Plate
26%inclusion38 decks147 decks
23%synergy
Mirrorworks
22%inclusion32 decks147 decks
21%synergy
The Endstone
21%inclusion17 decks80 decks
21%synergy
Thran Temporal Gateway
20%inclusion29 decks147 decks
20%synergy
The Millennium Calendar
20%inclusion29 decks147 decks
19%synergy
The Immortal Sun
20%inclusion29 decks147 decks
19%synergy
Palantír of Orthanc
18%inclusion27 decks147 decks
17%synergy
Horizon Stone
18%inclusion26 decks147 decks
17%synergy
Swiftfoot Boots
18%inclusion26 decks147 decks
-9%synergy
Torpor Orb
17%inclusion25 decks147 decks
16%synergy
Vedalken Orrery
16%inclusion24 decks147 decks
15%synergy
Illusionist's Bracers
16%inclusion23 decks147 decks
15%synergy
Nevinyrral's Disk
15%inclusion22 decks147 decks
14%synergy
Akroma's Memorial
15%inclusion22 decks147 decks
14%synergy
Mindslaver
14%inclusion21 decks147 decks
14%synergy
Winter Orb
14%inclusion21 decks147 decks
14%synergy
God-Pharaoh's Statue
14%inclusion21 decks147 decks
14%synergy
Memory Jar
14%inclusion20 decks147 decks
13%synergy
Gonti's Aether Heart
14%inclusion20 decks147 decks
13%synergy
Ashnod's Altar
13%inclusion19 decks147 decks
7%synergy
Excalibur, Sword of Eden
12%inclusion17 decks138 decks
11%synergy
Eye of Vecna
12%inclusion18 decks147 decks
12%synergy
Magistrate's Scepter
12%inclusion18 decks147 decks
12%synergy
Spine of Ish Sah
12%inclusion18 decks147 decks
12%synergy
Scroll Rack
12%inclusion18 decks147 decks
11%synergy
Thousand-Year Elixir
12%inclusion17 decks147 decks
10%synergy
Static Orb
11%inclusion16 decks147 decks
11%synergy
Trinisphere
11%inclusion16 decks147 decks
11%synergy
Helm of Awakening
11%inclusion16 decks147 decks
10%synergy
Agatha's Soul Cauldron
11%inclusion16 decks147 decks
10%synergy
Enchantments
Training Grounds
47%inclusion7 decks15 decks
44%synergy
Rhystic Study
40%inclusion6 decks15 decks
17%synergy
Echoes of Eternity
39%inclusion56 decks142 decks
38%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
63%inclusion93 decks147 decks
62%synergy
Ugin, the Ineffable
63%inclusion93 decks147 decks
62%synergy
Ugin, Eye of the Storms
54%inclusion52 decks97 decks
53%synergy
Ugin, the Spirit Dragon
44%inclusion65 decks147 decks
43%synergy
Tezzeret, Cruel Captain
38%inclusion31 decks82 decks
36%synergy
Karn, Living Legacy
37%inclusion54 decks147 decks
36%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
23%inclusion34 decks147 decks
23%synergy
Karn Liberated
18%inclusion27 decks147 decks
18%synergy
Utility Lands
Urza's Saga
81%inclusion119 decks147 decks
74%synergy
Darksteel Citadel
73%inclusion107 decks147 decks
69%synergy
Urza's Workshop
71%inclusion105 decks147 decks
71%synergy
Buried Ruin
69%inclusion102 decks147 decks
65%synergy
Academy Ruins
67%inclusion10 decks15 decks
61%synergy
War Room
64%inclusion94 decks147 decks
58%synergy
Minamo, School at Water's Edge
53%inclusion8 decks15 decks
49%synergy
Thespian's Stage
52%inclusion77 decks147 decks
50%synergy
Shrine of the Forsaken Gods
48%inclusion71 decks147 decks
47%synergy
Reliquary Tower
47%inclusion69 decks147 decks
17%synergy
Fomori Vault
45%inclusion66 decks147 decks
44%synergy
Strip Mine
43%inclusion63 decks147 decks
40%synergy
Archway of Innovation
43%inclusion6 decks14 decks
40%synergy
Uthros, Titanic Godcore
40%inclusion4 decks10 decks
37%synergy
Deserted Temple
39%inclusion57 decks147 decks
38%synergy
Wasteland
38%inclusion56 decks147 decks
37%synergy
Scavenger Grounds
38%inclusion56 decks147 decks
35%synergy
Urza's Factory
37%inclusion55 decks147 decks
37%synergy
Treasure Vault
37%inclusion54 decks147 decks
34%synergy
Scorched Ruins
36%inclusion53 decks147 decks
36%synergy
Blast Zone
35%inclusion51 decks147 decks
34%synergy
Sanctum of Ugin
33%inclusion49 decks147 decks
33%synergy
Mystic Sanctuary
33%inclusion5 decks15 decks
23%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Crystal Vein
32%inclusion47 decks147 decks
31%synergy
Zhalfirin Void
31%inclusion46 decks147 decks
31%synergy
Rogue's Passage
31%inclusion46 decks147 decks
11%synergy
Ugin's Labyrinth
31%inclusion45 decks147 decks
30%synergy
Vesuva
29%inclusion43 decks147 decks
28%synergy
Homeward Path
28%inclusion41 decks147 decks
27%synergy
Command Beacon
28%inclusion41 decks147 decks
23%synergy
Tomb of the Spirit Dragon
27%inclusion40 decks147 decks
26%synergy
Bonders' Enclave
27%inclusion40 decks147 decks
25%synergy
Temple of the False God
24%inclusion36 decks147 decks
16%synergy
Mikokoro, Center of the Sea
24%inclusion35 decks147 decks
22%synergy
Eldrazi Temple
23%inclusion34 decks147 decks
22%synergy
Geier Reach Sanitarium
23%inclusion34 decks147 decks
20%synergy
Arch of Orazca
21%inclusion31 decks147 decks
20%synergy
Field of the Dead
20%inclusion29 decks147 decks
17%synergy
Karn's Bastion
20%inclusion29 decks147 decks
15%synergy
City of Traitors
18%inclusion26 decks147 decks
16%synergy
Emergence Zone
18%inclusion26 decks147 decks
15%synergy
Arcane Lighthouse
17%inclusion25 decks147 decks
16%synergy
Eye of Ugin
16%inclusion23 decks147 decks
15%synergy
Guildless Commons
15%inclusion22 decks147 decks
14%synergy
Muraganda Raceway
14%inclusion15 decks108 decks
13%synergy
Ghost Quarter
12%inclusion18 decks147 decks
10%synergy
Fountainport
12%inclusion16 decks135 decks
10%synergy
Dark Depths
11%inclusion16 decks147 decks
10%synergy
Secluded Starforge
10%inclusion8 decks79 decks
10%synergy
Mana Artifacts
Sol Ring
99%inclusion146 decks147 decks
16%synergy
Thran Dynamo
87%inclusion128 decks147 decks
82%synergy
Everflowing Chalice
65%inclusion96 decks147 decks
61%synergy
Mox Opal
61%inclusion89 decks147 decks
56%synergy
Mind Stone
56%inclusion82 decks147 decks
42%synergy
Thought Vessel
53%inclusion78 decks147 decks
36%synergy
Hedron Archive
40%inclusion59 decks147 decks
38%synergy
Liquimetal Torque
34%inclusion50 decks147 decks
31%synergy
Sonic Screwdriver
27%inclusion40 decks147 decks
26%synergy
Lotus Petal
27%inclusion40 decks147 decks
20%synergy
Worn Powerstone
26%inclusion38 decks147 decks
24%synergy
Dreamstone Hedron
25%inclusion37 decks147 decks
24%synergy
The Eternity Elevator
23%inclusion18 decks80 decks
21%synergy
The Mightstone and Weakstone
21%inclusion31 decks147 decks
21%synergy
Gilded Lotus
21%inclusion31 decks147 decks
18%synergy
Chromatic Orrery
19%inclusion28 decks147 decks
18%synergy
Blinkmoth Urn
17%inclusion25 decks147 decks
17%synergy
Fellwar Stone
14%inclusion21 decks147 decks
-6%synergy
Arcane Signet
14%inclusion20 decks147 decks
-59%synergy
Mana Crypt
12%inclusion18 decks147 decks
11%synergy
Staff of Compleation
11%inclusion16 decks147 decks
10%synergy
The Aetherspark
9.3%inclusion10 decks108 decks
8%synergy
Stonespeaker Crystal
8.8%inclusion13 decks147 decks
8%synergy
Sol Talisman
7.5%inclusion11 decks147 decks
7%synergy
Lion's Eye Diamond
7.5%inclusion11 decks147 decks
6%synergy
Jeweled Lotus
6.8%inclusion10 decks147 decks
6%synergy
Prismatic Lens
6.8%inclusion10 decks147 decks
6%synergy
Mox Amber
6.8%inclusion10 decks147 decks
2%synergy
The Irencrag
6.1%inclusion9 decks147 decks
6%synergy
Chrome Mox
6.1%inclusion9 decks147 decks
0%synergy
Unstable Obelisk
5.4%inclusion8 decks147 decks
5%synergy
Lands
Steam Vents
100%inclusion3 decks3 decks
61%synergy
Urza's Cave
58%inclusion84 decks146 decks
55%synergy
The Mycosynth Gardens
54%inclusion80 decks147 decks
53%synergy
Planar Nexus
36%inclusion52 decks146 decks
35%synergy
Cavern of Souls
23%inclusion34 decks147 decks
16%synergy
Talon Gates of Madara
23%inclusion32 decks142 decks
20%synergy
Gemstone Caverns
22%inclusion32 decks147 decks
17%synergy
Hall of Tagsin
17%inclusion25 decks147 decks
17%synergy
Crystal Grotto
12%inclusion18 decks147 decks
12%synergy
Abstergo Entertainment
12%inclusion16 decks138 decks
11%synergy
Power Depot
8.2%inclusion12 decks147 decks
7%synergy
Demolition Field
7.5%inclusion11 decks147 decks
4%synergy
The Grey Havens
6.8%inclusion10 decks147 decks
6%synergy
Plaza of Heroes
6.1%inclusion9 decks147 decks
4%synergy
Mirrex
5.4%inclusion8 decks147 decks
5%synergy