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 decks5.71K decks
The Peregrine Dynamo
3.0%inclusion30 decks995 decks
Liberator, Urza's Battlethopter
0.4%inclusion10 decks2.66K decks
Karn, Silver Golem
0.7%inclusion8 decks1.07K decks
Marvin, Murderous Mimic
0.3%inclusion5 decks1.71K decks
Kozilek, Butcher of Truth
0.5%inclusion4 decks888 decks
Urza, Lord High Artificer
0.0%inclusion4 decks18.1K decks
Kozilek, the Great Distortion
0.1%inclusion3 decks5.35K decks
Zhulodok, Void Gorger
0.0%inclusion3 decks20.1K decks
Ultima, Origin of Oblivion
0.0%inclusion2 decks5.36K decks
Dawnsire, Sunstar Dreadnought
0.1%inclusion2 decks1.82K decks
Memnarch
0.1%inclusion2 decks2.01K decks
Ulamog, the Defiler
0.1%inclusion2 decks1.47K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion1 decks4.14K decks
Bosh, Iron Golem
0.1%inclusion1 decks755 decks
Mendicant Core, Guidelight
0.0%inclusion1 decks13.2K decks
Idris, Soul of the TARDIS
0.8%inclusion1 decks133 decks
The Walls of Ba Sing Se
0.1%inclusion1 decks905 decks
New Cards
Krang, Utrom Warlord
11%inclusion2 decks19 decks
10%synergy
Technodrome
5.3%inclusion1 decks19 decks
5%synergy
High Synergy Cards
Forsaken Monument
90%inclusion128 decks142 decks
88%synergy
Mystic Forge
89%inclusion126 decks142 decks
86%synergy
Unwinding Clock
86%inclusion122 decks142 decks
83%synergy
Inventors' Fair
85%inclusion120 decks142 decks
81%synergy
Voltaic Key
81%inclusion115 decks142 decks
80%synergy
Seat of the Synod
87%inclusion13 decks15 decks
80%synergy
Urza's Power Plant
81%inclusion115 decks142 decks
79%synergy
Urza's Mine
81%inclusion115 decks142 decks
79%synergy
Urza's Tower
81%inclusion115 decks142 decks
79%synergy
Great Furnace
83%inclusion5 decks6 decks
77%synergy
Top Cards
Manifold Key
75%inclusion106 decks142 decks
73%synergy
Metalworker
74%inclusion105 decks142 decks
74%synergy
Sensei's Divining Top
74%inclusion105 decks142 decks
69%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Rings of Brighthearth
73%inclusion103 decks142 decks
71%synergy
Sculpting Steel
73%inclusion103 decks142 decks
70%synergy
Foundry Inspector
73%inclusion103 decks142 decks
68%synergy
All Is Dust
71%inclusion101 decks142 decks
70%synergy
Fabricate
67%inclusion10 decks15 decks
61%synergy
Mana Drain
67%inclusion10 decks15 decks
52%synergy
Game Changers
Mana Vault
83%inclusion118 decks142 decks
77%synergy
Ancient Tomb
80%inclusion113 decks142 decks
70%synergy
Gamble
67%inclusion4 decks6 decks
58%synergy
The One Ring
66%inclusion94 decks142 decks
58%synergy
Mishra's Workshop
56%inclusion80 decks142 decks
56%synergy
Fierce Guardianship
53%inclusion8 decks15 decks
36%synergy
Force of Will
40%inclusion6 decks15 decks
30%synergy
Cyclonic Rift
40%inclusion6 decks15 decks
18%synergy
Rhystic Study
40%inclusion6 decks15 decks
17%synergy
Mox Diamond
25%inclusion36 decks142 decks
21%synergy
Creatures
Walking Ballista
51%inclusion73 decks142 decks
49%synergy
Liberator, Urza's Battlethopter
51%inclusion72 decks142 decks
49%synergy
Jhoira's Familiar
50%inclusion71 decks142 decks
49%synergy
Forensic Gadgeteer
47%inclusion7 decks15 decks
44%synergy
Phyrexian Metamorph
47%inclusion7 decks15 decks
39%synergy
Palladium Myr
42%inclusion60 decks142 decks
40%synergy
Kuldotha Forgemaster
42%inclusion59 decks142 decks
41%synergy
Voltaic Construct
40%inclusion57 decks142 decks
40%synergy
Urza, Lord High Artificer
40%inclusion6 decks15 decks
37%synergy
Scrap Trawler
38%inclusion54 decks142 decks
36%synergy
Blightsteel Colossus
35%inclusion50 decks142 decks
34%synergy
Myr Retriever
35%inclusion50 decks142 decks
34%synergy
Mycosynth Golem
35%inclusion49 decks142 decks
34%synergy
Master Transmuter
33%inclusion5 decks15 decks
32%synergy
The Reality Chip
33%inclusion5 decks15 decks
30%synergy
Thought Monitor
33%inclusion5 decks15 decks
30%synergy
Emry, Lurker of the Loch
33%inclusion5 decks15 decks
29%synergy
Wandering Archaic
32%inclusion46 decks142 decks
31%synergy
Kozilek, the Great Distortion
32%inclusion45 decks142 decks
31%synergy
Metalwork Colossus
31%inclusion44 decks142 decks
30%synergy
Ultima, Origin of Oblivion
30%inclusion24 decks79 decks
30%synergy
Cityscape Leveler
30%inclusion42 decks142 decks
29%synergy
Kozilek, Butcher of Truth
29%inclusion41 decks142 decks
27%synergy
Glaring Fleshraker
28%inclusion38 decks134 decks
27%synergy
Abstruse Archaic
27%inclusion39 decks142 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
Ulamog, the Ceaseless Hunger
26%inclusion37 decks142 decks
25%synergy
Shimmer Myr
24%inclusion34 decks142 decks
23%synergy
Skittering Cicada
23%inclusion33 decks142 decks
23%synergy
Lodestone Golem
22%inclusion31 decks142 decks
22%synergy
Ulamog, the Defiler
22%inclusion29 decks134 decks
21%synergy
Ulamog, the Infinite Gyre
21%inclusion30 decks142 decks
20%synergy
Marvin, Murderous Mimic
20%inclusion24 decks118 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
Platinum Angel
19%inclusion27 decks142 decks
18%synergy
Cryptothrall
18%inclusion26 decks142 decks
18%synergy
Steel Hellkite
18%inclusion26 decks142 decks
17%synergy
Myr Welder
17%inclusion24 decks142 decks
17%synergy
Junk Diver
16%inclusion23 decks142 decks
15%synergy
Roaming Throne
16%inclusion23 decks142 decks
10%synergy
Solemn Simulacrum
15%inclusion22 decks142 decks
3%synergy
Emrakul, the Promised End
15%inclusion21 decks142 decks
14%synergy
Meteor Golem
15%inclusion21 decks142 decks
13%synergy
Scrawling Crawler
14%inclusion15 decks109 decks
11%synergy
Karn, Silver Golem
13%inclusion19 decks142 decks
13%synergy
Wurmcoil Engine
13%inclusion19 decks142 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%inclusion51 decks138 decks
36%synergy
An Offer You Can't Refuse
33%inclusion5 decks15 decks
9%synergy
Warping Wail
32%inclusion46 decks142 decks
32%synergy
Mystical Tutor
27%inclusion4 decks15 decks
15%synergy
Swan Song
27%inclusion4 decks15 decks
9%synergy
Kozilek's Command
24%inclusion32 decks134 decks
23%synergy
Sink into Stupor
21%inclusion3 decks14 decks
11%synergy
Eldritch Immunity
20%inclusion27 decks134 decks
19%synergy
Force of Negation
20%inclusion3 decks15 decks
12%synergy
Negate
20%inclusion3 decks15 decks
-1%synergy
Eldrazi Confluence
13%inclusion17 decks134 decks
12%synergy
Spatial Contortion
13%inclusion18 decks142 decks
12%synergy
Desecrate Reality
12%inclusion17 decks142 decks
12%synergy
Titan's Presence
11%inclusion16 decks142 decks
11%synergy
Not of This World
11%inclusion15 decks142 decks
10%synergy
Scour from Existence
9.2%inclusion13 decks142 decks
9%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
23%inclusion32 decks142 decks
22%synergy
Selective Obliteration
11%inclusion15 decks134 decks
11%synergy
Calamity of the Titans
7.7%inclusion11 decks142 decks
7%synergy
Introduction to Annihilation
6.3%inclusion9 decks142 decks
6%synergy
Utility Artifacts
Cloud Key
65%inclusion93 decks142 decks
63%synergy
Staff of Domination
61%inclusion86 decks142 decks
59%synergy
Planar Bridge
53%inclusion75 decks142 decks
52%synergy
Darksteel Forge
52%inclusion74 decks142 decks
51%synergy
Chimil, the Inner Sun
47%inclusion67 decks142 decks
45%synergy
Moonsilver Key
46%inclusion66 decks142 decks
45%synergy
Mycosynth Lattice
43%inclusion61 decks142 decks
42%synergy
Expedition Map
43%inclusion61 decks142 decks
40%synergy
Semblance Anvil
37%inclusion52 decks142 decks
36%synergy
Darksteel Monolith
35%inclusion50 decks142 decks
34%synergy
Mirage Mirror
34%inclusion48 decks142 decks
33%synergy
Lightning Greaves
34%inclusion48 decks142 decks
9%synergy
Krark-Clan Ironworks
33%inclusion47 decks142 decks
32%synergy
Doubling Cube
32%inclusion45 decks142 decks
31%synergy
Strionic Resonator
30%inclusion42 decks142 decks
27%synergy
Mind's Eye
27%inclusion39 decks142 decks
27%synergy
Portal to Phyrexia
27%inclusion39 decks142 decks
26%synergy
Aetherflux Reservoir
27%inclusion39 decks142 decks
24%synergy
Helm of the Host
27%inclusion38 decks142 decks
24%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
Simulacrum Synthesizer
27%inclusion4 decks15 decks
25%synergy
Commander's Plate
23%inclusion33 decks142 decks
21%synergy
The Endstone
21%inclusion15 decks71 decks
20%synergy
The Millennium Calendar
20%inclusion28 decks142 decks
19%synergy
Mirrorworks
20%inclusion28 decks142 decks
19%synergy
The Immortal Sun
20%inclusion28 decks142 decks
19%synergy
Thran Temporal Gateway
19%inclusion27 decks142 decks
19%synergy
Torpor Orb
18%inclusion26 decks142 decks
18%synergy
Palantír of Orthanc
18%inclusion26 decks142 decks
17%synergy
Vedalken Orrery
18%inclusion25 decks142 decks
16%synergy
Swiftfoot Boots
16%inclusion23 decks142 decks
-11%synergy
Horizon Stone
15%inclusion22 decks142 decks
15%synergy
God-Pharaoh's Statue
15%inclusion22 decks142 decks
15%synergy
Memory Jar
15%inclusion21 decks142 decks
15%synergy
Mindslaver
15%inclusion21 decks142 decks
14%synergy
Winter Orb
15%inclusion21 decks142 decks
14%synergy
Illusionist's Bracers
15%inclusion21 decks142 decks
14%synergy
Akroma's Memorial
15%inclusion21 decks142 decks
14%synergy
Nevinyrral's Disk
14%inclusion20 decks142 decks
13%synergy
Eye of Vecna
13%inclusion19 decks142 decks
13%synergy
Magistrate's Scepter
13%inclusion19 decks142 decks
13%synergy
Gonti's Aether Heart
13%inclusion19 decks142 decks
13%synergy
Ashnod's Altar
13%inclusion19 decks142 decks
7%synergy
Spine of Ish Sah
13%inclusion18 decks142 decks
12%synergy
Helm of Awakening
13%inclusion18 decks142 decks
12%synergy
Scroll Rack
13%inclusion18 decks142 decks
12%synergy
Excalibur, Sword of Eden
12%inclusion16 decks130 decks
11%synergy
Trinisphere
12%inclusion17 decks142 decks
12%synergy
Thousand-Year Elixir
12%inclusion17 decks142 decks
10%synergy
Agatha's Soul Cauldron
11%inclusion16 decks142 decks
10%synergy
Enchantments
Training Grounds
47%inclusion7 decks15 decks
44%synergy
Echoes of Eternity
37%inclusion50 decks134 decks
36%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%inclusion91 decks142 decks
63%synergy
Ugin, the Ineffable
64%inclusion91 decks142 decks
63%synergy
Ugin, Eye of the Storms
57%inclusion50 decks88 decks
56%synergy
Ugin, the Spirit Dragon
47%inclusion67 decks142 decks
46%synergy
Tezzeret, Cruel Captain
40%inclusion29 decks73 decks
38%synergy
Karn, Living Legacy
38%inclusion54 decks142 decks
38%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
26%inclusion37 decks142 decks
26%synergy
Karn Liberated
20%inclusion28 decks142 decks
19%synergy
Utility Lands
Urza's Saga
81%inclusion115 decks142 decks
74%synergy
Urza's Workshop
71%inclusion101 decks142 decks
70%synergy
Darksteel Citadel
70%inclusion100 decks142 decks
67%synergy
Buried Ruin
70%inclusion99 decks142 decks
65%synergy
War Room
63%inclusion89 decks142 decks
57%synergy
Academy Ruins
60%inclusion9 decks15 decks
55%synergy
Thespian's Stage
54%inclusion76 decks142 decks
51%synergy
Minamo, School at Water's Edge
53%inclusion8 decks15 decks
49%synergy
Shrine of the Forsaken Gods
48%inclusion68 decks142 decks
47%synergy
Reliquary Tower
47%inclusion67 decks142 decks
17%synergy
Fomori Vault
45%inclusion63 decks140 decks
44%synergy
Archway of Innovation
43%inclusion6 decks14 decks
40%synergy
Strip Mine
41%inclusion58 decks142 decks
38%synergy
Uthros, Titanic Godcore
40%inclusion4 decks10 decks
37%synergy
Deserted Temple
39%inclusion55 decks142 decks
38%synergy
Wasteland
38%inclusion54 decks142 decks
37%synergy
Treasure Vault
38%inclusion54 decks142 decks
35%synergy
Scavenger Grounds
38%inclusion54 decks142 decks
34%synergy
Urza's Factory
37%inclusion53 decks142 decks
37%synergy
Scorched Ruins
37%inclusion52 decks142 decks
36%synergy
Blast Zone
36%inclusion51 decks142 decks
35%synergy
Crystal Vein
35%inclusion50 decks142 decks
34%synergy
Sanctum of Ugin
34%inclusion48 decks142 decks
33%synergy
Mystic Sanctuary
33%inclusion5 decks15 decks
23%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Rogue's Passage
32%inclusion46 decks142 decks
12%synergy
Zhalfirin Void
32%inclusion45 decks142 decks
31%synergy
Ugin's Labyrinth
32%inclusion44 decks139 decks
31%synergy
Vesuva
30%inclusion42 decks142 decks
28%synergy
Tomb of the Spirit Dragon
28%inclusion40 decks142 decks
27%synergy
Homeward Path
28%inclusion40 decks142 decks
27%synergy
Bonders' Enclave
28%inclusion40 decks142 decks
26%synergy
Mikokoro, Center of the Sea
27%inclusion38 decks142 decks
25%synergy
Command Beacon
27%inclusion38 decks142 decks
22%synergy
Geier Reach Sanitarium
25%inclusion36 decks142 decks
22%synergy
Eldrazi Temple
23%inclusion33 decks142 decks
22%synergy
Temple of the False God
23%inclusion33 decks142 decks
14%synergy
Arch of Orazca
21%inclusion30 decks142 decks
20%synergy
City of Traitors
19%inclusion27 decks142 decks
18%synergy
Emergence Zone
19%inclusion27 decks142 decks
17%synergy
Field of the Dead
19%inclusion27 decks142 decks
16%synergy
Karn's Bastion
18%inclusion26 decks142 decks
14%synergy
Arcane Lighthouse
18%inclusion25 decks142 decks
16%synergy
Eye of Ugin
15%inclusion22 decks142 decks
15%synergy
Guildless Commons
14%inclusion20 decks142 decks
13%synergy
Muraganda Raceway
14%inclusion14 decks100 decks
13%synergy
Ghost Quarter
13%inclusion18 decks142 decks
11%synergy
Fountainport
13%inclusion16 decks127 decks
11%synergy
Sea Gate Wreckage
10%inclusion14 decks142 decks
10%synergy
Mage-Ring Network
10%inclusion14 decks142 decks
9%synergy
Mana Artifacts
Sol Ring
99%inclusion141 decks142 decks
16%synergy
Thran Dynamo
87%inclusion123 decks142 decks
82%synergy
Everflowing Chalice
66%inclusion94 decks142 decks
62%synergy
Mox Opal
62%inclusion88 decks142 decks
58%synergy
Mind Stone
58%inclusion82 decks142 decks
43%synergy
Thought Vessel
55%inclusion78 decks142 decks
38%synergy
Hedron Archive
39%inclusion55 decks142 decks
36%synergy
Liquimetal Torque
36%inclusion51 decks142 decks
33%synergy
Sonic Screwdriver
27%inclusion38 decks142 decks
26%synergy
Lotus Petal
27%inclusion38 decks142 decks
20%synergy
Worn Powerstone
24%inclusion34 decks142 decks
22%synergy
The Mightstone and Weakstone
23%inclusion32 decks142 decks
22%synergy
Dreamstone Hedron
23%inclusion32 decks142 decks
22%synergy
Gilded Lotus
22%inclusion31 decks142 decks
19%synergy
The Eternity Elevator
21%inclusion15 decks71 decks
20%synergy
Blinkmoth Urn
18%inclusion25 decks142 decks
17%synergy
Chromatic Orrery
18%inclusion25 decks142 decks
16%synergy
Mana Crypt
14%inclusion20 decks142 decks
13%synergy
Fellwar Stone
13%inclusion19 decks142 decks
-7%synergy
Arcane Signet
13%inclusion18 decks142 decks
-60%synergy
Staff of Compleation
11%inclusion15 decks142 decks
9%synergy
The Aetherspark
10%inclusion10 decks100 decks
9%synergy
Stonespeaker Crystal
9.2%inclusion13 decks142 decks
9%synergy
Jeweled Lotus
7.7%inclusion11 decks142 decks
7%synergy
Lion's Eye Diamond
7.7%inclusion11 decks142 decks
6%synergy
Sol Talisman
7.0%inclusion10 decks142 decks
6%synergy
Prismatic Lens
7.0%inclusion10 decks142 decks
6%synergy
The Irencrag
6.3%inclusion9 decks142 decks
6%synergy
Mox Amber
6.3%inclusion9 decks142 decks
2%synergy
Unstable Obelisk
5.6%inclusion8 decks142 decks
5%synergy
Coveted Jewel
5.6%inclusion8 decks142 decks
4%synergy
Lands
Steam Vents
100%inclusion3 decks3 decks
62%synergy
Urza's Cave
58%inclusion80 decks138 decks
55%synergy
The Mycosynth Gardens
53%inclusion75 decks142 decks
51%synergy
Planar Nexus
37%inclusion51 decks138 decks
36%synergy
Cavern of Souls
24%inclusion34 decks142 decks
17%synergy
Talon Gates of Madara
22%inclusion30 decks134 decks
20%synergy
Gemstone Caverns
22%inclusion31 decks142 decks
17%synergy
Hall of Tagsin
14%inclusion20 decks142 decks
14%synergy
Crystal Grotto
12%inclusion17 decks142 decks
11%synergy
Abstergo Entertainment
11%inclusion14 decks130 decks
10%synergy
Power Depot
9.2%inclusion13 decks142 decks
8%synergy
Demolition Field
7.7%inclusion11 decks142 decks
5%synergy
Scene of the Crime
5.6%inclusion8 decks142 decks
5%synergy
The Grey Havens
5.6%inclusion8 decks142 decks
5%synergy
Plaza of Heroes
5.6%inclusion8 decks142 decks
3%synergy