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 decks5.52K decks
The Peregrine Dynamo
3.1%inclusion30 decks960 decks
Karn, Silver Golem
0.9%inclusion9 decks1.04K decks
Liberator, Urza's Battlethopter
0.3%inclusion9 decks2.63K decks
Marvin, Murderous Mimic
0.3%inclusion5 decks1.63K decks
Kozilek, Butcher of Truth
0.5%inclusion4 decks882 decks
Urza, Lord High Artificer
0.0%inclusion4 decks17.5K decks
Dawnsire, Sunstar Dreadnought
0.2%inclusion3 decks1.57K decks
Kozilek, the Great Distortion
0.1%inclusion3 decks5.37K decks
Zhulodok, Void Gorger
0.0%inclusion3 decks19.8K decks
Ultima, Origin of Oblivion
0.0%inclusion2 decks4.77K decks
Traxos, Scourge of Kroog
0.1%inclusion2 decks1.98K decks
Ulamog, the Defiler
0.1%inclusion2 decks1.35K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion1 decks4.14K decks
Bosh, Iron Golem
0.1%inclusion1 decks737 decks
Idris, Soul of the TARDIS
0.8%inclusion1 decks131 decks
The Walls of Ba Sing Se
0.1%inclusion1 decks770 decks
Rona, Disciple of Gix
0.8%inclusion1 decks132 decks
New Cards
Firdoch Core
10%inclusion1 decks10 decks
9%synergy
High Synergy Cards
Vault of Whispers
100%inclusion4 decks4 decks
96%synergy
Forsaken Monument
90%inclusion129 decks144 decks
88%synergy
Mystic Forge
90%inclusion129 decks144 decks
87%synergy
Unwinding Clock
87%inclusion125 decks144 decks
84%synergy
Inventors' Fair
85%inclusion123 decks144 decks
82%synergy
Seat of the Synod
87%inclusion13 decks15 decks
80%synergy
Great Furnace
86%inclusion6 decks7 decks
80%synergy
Urza's Power Plant
81%inclusion116 decks144 decks
79%synergy
Urza's Mine
81%inclusion116 decks144 decks
79%synergy
Urza's Tower
81%inclusion116 decks144 decks
79%synergy
Top Cards
Voltaic Key
79%inclusion114 decks144 decks
78%synergy
Metalworker
75%inclusion108 decks144 decks
75%synergy
Manifold Key
75%inclusion108 decks144 decks
74%synergy
Foundry Inspector
74%inclusion106 decks144 decks
69%synergy
Sensei's Divining Top
74%inclusion106 decks144 decks
69%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Sculpting Steel
72%inclusion104 decks144 decks
70%synergy
Rings of Brighthearth
72%inclusion103 decks144 decks
70%synergy
All Is Dust
72%inclusion103 decks144 decks
70%synergy
Mana Drain
67%inclusion10 decks15 decks
52%synergy
Game Changers
Mana Vault
83%inclusion120 decks144 decks
77%synergy
Ancient Tomb
81%inclusion116 decks144 decks
71%synergy
The One Ring
65%inclusion94 decks144 decks
57%synergy
Gamble
57%inclusion4 decks7 decks
48%synergy
Mishra's Workshop
54%inclusion78 decks144 decks
54%synergy
Fierce Guardianship
53%inclusion8 decks15 decks
36%synergy
Rhystic Study
47%inclusion7 decks15 decks
23%synergy
Cyclonic Rift
40%inclusion6 decks15 decks
17%synergy
Force of Will
33%inclusion5 decks15 decks
23%synergy
Mox Diamond
25%inclusion36 decks144 decks
21%synergy
Creatures
Enthusiastic Mechanaut
75%inclusion3 decks4 decks
70%synergy
Phyrexian Metamorph
53%inclusion8 decks15 decks
46%synergy
Liberator, Urza's Battlethopter
53%inclusion76 decks144 decks
52%synergy
Jhoira's Familiar
51%inclusion74 decks144 decks
50%synergy
Walking Ballista
51%inclusion74 decks144 decks
49%synergy
Kuldotha Forgemaster
43%inclusion62 decks144 decks
42%synergy
Voltaic Construct
41%inclusion59 decks144 decks
41%synergy
Palladium Myr
40%inclusion58 decks144 decks
38%synergy
Master Transmuter
40%inclusion6 decks15 decks
39%synergy
Forensic Gadgeteer
40%inclusion6 decks15 decks
38%synergy
Urza, Lord High Artificer
40%inclusion6 decks15 decks
37%synergy
Thought Monitor
40%inclusion6 decks15 decks
36%synergy
Scrap Trawler
40%inclusion57 decks144 decks
38%synergy
Myr Retriever
38%inclusion54 decks144 decks
36%synergy
Blightsteel Colossus
35%inclusion50 decks144 decks
33%synergy
Mycosynth Golem
33%inclusion48 decks144 decks
33%synergy
Metalwork Colossus
33%inclusion48 decks144 decks
32%synergy
Wandering Archaic
33%inclusion47 decks144 decks
31%synergy
Ultima, Origin of Oblivion
32%inclusion23 decks72 decks
31%synergy
Kozilek, the Great Distortion
32%inclusion46 decks144 decks
31%synergy
Glaring Fleshraker
30%inclusion39 decks129 decks
29%synergy
Cityscape Leveler
29%inclusion42 decks144 decks
28%synergy
Kozilek, Butcher of Truth
28%inclusion41 decks144 decks
27%synergy
Abstruse Archaic
28%inclusion40 decks144 decks
27%synergy
Ulamog, the Ceaseless Hunger
27%inclusion39 decks144 decks
26%synergy
Arcum Dagsson
27%inclusion4 decks15 decks
26%synergy
Silver Myr
27%inclusion4 decks15 decks
24%synergy
The Reality Chip
27%inclusion4 decks15 decks
23%synergy
Shimmer Myr
25%inclusion36 decks144 decks
24%synergy
Skittering Cicada
24%inclusion34 decks144 decks
23%synergy
Lodestone Golem
23%inclusion33 decks144 decks
23%synergy
Marvin, Murderous Mimic
22%inclusion25 decks112 decks
21%synergy
Ulamog, the Infinite Gyre
22%inclusion32 decks144 decks
21%synergy
Ulamog, the Defiler
22%inclusion28 decks129 decks
21%synergy
Steel Hellkite
20%inclusion29 decks144 decks
19%synergy
Drafna, Founder of Lat-Nam
20%inclusion3 decks15 decks
20%synergy
Vedalken Archmage
20%inclusion3 decks15 decks
19%synergy
Kappa Cannoneer
20%inclusion3 decks15 decks
17%synergy
Sai, Master Thopterist
20%inclusion3 decks15 decks
16%synergy
Emry, Lurker of the Loch
20%inclusion3 decks15 decks
16%synergy
Platinum Angel
19%inclusion27 decks144 decks
18%synergy
Cryptothrall
18%inclusion26 decks144 decks
17%synergy
Myr Welder
17%inclusion24 decks144 decks
16%synergy
Junk Diver
17%inclusion24 decks144 decks
16%synergy
Roaming Throne
17%inclusion24 decks144 decks
10%synergy
Emrakul, the Promised End
16%inclusion23 decks144 decks
15%synergy
Wurmcoil Engine
16%inclusion23 decks144 decks
14%synergy
Meteor Golem
15%inclusion22 decks144 decks
13%synergy
Solemn Simulacrum
15%inclusion21 decks144 decks
2%synergy
Scrawling Crawler
15%inclusion15 decks103 decks
12%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
An Offer You Can't Refuse
40%inclusion6 decks15 decks
15%synergy
Counterspell
40%inclusion6 decks15 decks
-2%synergy
Null Elemental Blast
36%inclusion48 decks133 decks
35%synergy
Swan Song
33%inclusion5 decks15 decks
16%synergy
Warping Wail
32%inclusion46 decks144 decks
31%synergy
Kozilek's Command
25%inclusion32 decks129 decks
24%synergy
Mystical Tutor
20%inclusion3 decks15 decks
8%synergy
Negate
20%inclusion3 decks15 decks
-1%synergy
Eldritch Immunity
19%inclusion25 decks129 decks
19%synergy
Eldrazi Confluence
14%inclusion18 decks129 decks
13%synergy
Desecrate Reality
14%inclusion20 decks144 decks
13%synergy
Spatial Contortion
13%inclusion19 decks144 decks
13%synergy
Not of This World
12%inclusion17 decks144 decks
11%synergy
Titan's Presence
11%inclusion16 decks144 decks
11%synergy
Scour from Existence
10%inclusion15 decks144 decks
10%synergy
Sorceries
Fabricate
60%inclusion9 decks15 decks
55%synergy
Vandalblast
57%inclusion4 decks7 decks
42%synergy
Transmute Artifact
40%inclusion6 decks15 decks
39%synergy
Thoughtcast
33%inclusion5 decks15 decks
30%synergy
Reshape
27%inclusion4 decks15 decks
26%synergy
Rise of the Eldrazi
22%inclusion31 decks144 decks
21%synergy
Selective Obliteration
11%inclusion14 decks129 decks
10%synergy
Calamity of the Titans
7.6%inclusion11 decks144 decks
7%synergy
Introduction to Annihilation
6.3%inclusion9 decks144 decks
6%synergy
Utility Artifacts
Cloud Key
66%inclusion95 decks144 decks
64%synergy
Staff of Domination
60%inclusion87 decks144 decks
59%synergy
Darksteel Forge
55%inclusion79 decks144 decks
54%synergy
Planar Bridge
54%inclusion78 decks144 decks
54%synergy
Chimil, the Inner Sun
48%inclusion69 decks144 decks
46%synergy
Moonsilver Key
47%inclusion67 decks144 decks
45%synergy
Mycosynth Lattice
44%inclusion63 decks144 decks
43%synergy
Expedition Map
43%inclusion62 decks144 decks
40%synergy
Semblance Anvil
35%inclusion51 decks144 decks
35%synergy
Darksteel Monolith
34%inclusion49 decks144 decks
33%synergy
Mirage Mirror
33%inclusion48 decks144 decks
32%synergy
Lightning Greaves
33%inclusion48 decks144 decks
9%synergy
Krark-Clan Ironworks
33%inclusion47 decks144 decks
32%synergy
Doubling Cube
32%inclusion46 decks144 decks
31%synergy
Portal to Phyrexia
30%inclusion43 decks144 decks
28%synergy
Aetherflux Reservoir
29%inclusion42 decks144 decks
26%synergy
Mind's Eye
28%inclusion41 decks144 decks
28%synergy
Strionic Resonator
28%inclusion41 decks144 decks
26%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
Helm of the Host
26%inclusion37 decks144 decks
23%synergy
The Endstone
25%inclusion16 decks63 decks
25%synergy
Commander's Plate
24%inclusion34 decks144 decks
21%synergy
Simulacrum Synthesizer
23%inclusion3 decks13 decks
21%synergy
Mirrorworks
22%inclusion31 decks144 decks
21%synergy
The Immortal Sun
22%inclusion31 decks144 decks
21%synergy
Thran Temporal Gateway
19%inclusion28 decks144 decks
19%synergy
The Millennium Calendar
19%inclusion28 decks144 decks
19%synergy
Palantír of Orthanc
18%inclusion26 decks144 decks
17%synergy
Torpor Orb
17%inclusion25 decks144 decks
17%synergy
Horizon Stone
17%inclusion24 decks144 decks
16%synergy
Vedalken Orrery
17%inclusion24 decks144 decks
16%synergy
Swiftfoot Boots
17%inclusion24 decks144 decks
-11%synergy
God-Pharaoh's Statue
16%inclusion23 decks144 decks
15%synergy
Akroma's Memorial
15%inclusion22 decks144 decks
14%synergy
Mindslaver
15%inclusion21 decks144 decks
14%synergy
Winter Orb
15%inclusion21 decks144 decks
14%synergy
Nevinyrral's Disk
15%inclusion21 decks144 decks
14%synergy
Illusionist's Bracers
15%inclusion21 decks144 decks
14%synergy
Ashnod's Altar
15%inclusion21 decks144 decks
8%synergy
Memory Jar
14%inclusion20 decks144 decks
14%synergy
Gonti's Aether Heart
14%inclusion20 decks144 decks
13%synergy
Excalibur, Sword of Eden
14%inclusion17 decks125 decks
12%synergy
Magistrate's Scepter
13%inclusion19 decks144 decks
13%synergy
Eye of Vecna
13%inclusion18 decks144 decks
12%synergy
Helm of Awakening
13%inclusion18 decks144 decks
12%synergy
Thousand-Year Elixir
13%inclusion18 decks144 decks
11%synergy
Trinisphere
12%inclusion17 decks144 decks
11%synergy
Scroll Rack
12%inclusion17 decks144 decks
11%synergy
Planetarium of Wan Shi Tong
12%inclusion4 decks34 decks
11%synergy
Static Orb
10%inclusion15 decks144 decks
10%synergy
Enchantments
Training Grounds
40%inclusion6 decks15 decks
37%synergy
Echoes of Eternity
39%inclusion50 decks129 decks
38%synergy
Power Artifact
33%inclusion5 decks15 decks
33%synergy
Mystic Remora
33%inclusion5 decks15 decks
17%synergy
Planeswalkers
Karn, the Great Creator
64%inclusion92 decks144 decks
63%synergy
Ugin, the Ineffable
62%inclusion89 decks144 decks
60%synergy
Ugin, Eye of the Storms
59%inclusion48 decks82 decks
57%synergy
Ugin, the Spirit Dragon
46%inclusion66 decks144 decks
45%synergy
Tezzeret, Cruel Captain
42%inclusion27 decks65 decks
40%synergy
Karn, Living Legacy
37%inclusion53 decks144 decks
36%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
27%inclusion39 decks144 decks
27%synergy
Karn Liberated
19%inclusion28 decks144 decks
19%synergy
Utility Lands
Urza's Saga
81%inclusion116 decks144 decks
74%synergy
Urza's Workshop
71%inclusion102 decks144 decks
70%synergy
Buried Ruin
71%inclusion102 decks144 decks
66%synergy
Darksteel Citadel
70%inclusion101 decks144 decks
66%synergy
Academy Ruins
67%inclusion10 decks15 decks
61%synergy
War Room
61%inclusion88 decks144 decks
55%synergy
Thespian's Stage
53%inclusion77 decks144 decks
51%synergy
Reliquary Tower
48%inclusion69 decks144 decks
18%synergy
Shrine of the Forsaken Gods
47%inclusion68 decks144 decks
46%synergy
Fomori Vault
45%inclusion61 decks135 decks
44%synergy
Uthros, Titanic Godcore
43%inclusion3 decks7 decks
40%synergy
Strip Mine
42%inclusion60 decks144 decks
39%synergy
Archway of Innovation
42%inclusion5 decks12 decks
38%synergy
Minamo, School at Water's Edge
40%inclusion6 decks15 decks
35%synergy
Wasteland
39%inclusion56 decks144 decks
38%synergy
Treasure Vault
39%inclusion56 decks144 decks
36%synergy
Urza's Factory
38%inclusion54 decks144 decks
37%synergy
Deserted Temple
38%inclusion54 decks144 decks
37%synergy
Blast Zone
36%inclusion52 decks144 decks
35%synergy
Scorched Ruins
35%inclusion51 decks144 decks
35%synergy
Scavenger Grounds
35%inclusion51 decks144 decks
32%synergy
Crystal Vein
35%inclusion50 decks144 decks
34%synergy
Sanctum of Ugin
33%inclusion48 decks144 decks
33%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Ugin's Labyrinth
33%inclusion44 decks134 decks
32%synergy
Zhalfirin Void
30%inclusion43 decks144 decks
29%synergy
Homeward Path
29%inclusion42 decks144 decks
28%synergy
Vesuva
29%inclusion42 decks144 decks
28%synergy
Rogue's Passage
29%inclusion42 decks144 decks
9%synergy
Tomb of the Spirit Dragon
28%inclusion40 decks144 decks
27%synergy
Bonders' Enclave
28%inclusion40 decks144 decks
25%synergy
Mystic Sanctuary
27%inclusion4 decks15 decks
16%synergy
Mikokoro, Center of the Sea
26%inclusion38 decks144 decks
25%synergy
Command Beacon
25%inclusion36 decks144 decks
20%synergy
Eldrazi Temple
24%inclusion34 decks144 decks
23%synergy
Geier Reach Sanitarium
24%inclusion34 decks144 decks
21%synergy
Temple of the False God
22%inclusion32 decks144 decks
13%synergy
Emergence Zone
20%inclusion29 decks144 decks
18%synergy
Arch of Orazca
19%inclusion28 decks144 decks
19%synergy
Field of the Dead
19%inclusion28 decks144 decks
17%synergy
City of Traitors
19%inclusion27 decks144 decks
18%synergy
Karn's Bastion
18%inclusion26 decks144 decks
13%synergy
Eye of Ugin
17%inclusion24 decks144 decks
16%synergy
Arcane Lighthouse
17%inclusion24 decks144 decks
15%synergy
Guildless Commons
15%inclusion21 decks144 decks
13%synergy
Ghost Quarter
13%inclusion19 decks144 decks
11%synergy
Fountainport
13%inclusion16 decks122 decks
12%synergy
Muraganda Raceway
13%inclusion12 decks94 decks
11%synergy
Mage-Ring Network
10%inclusion15 decks144 decks
10%synergy
Tyrite Sanctum
10%inclusion15 decks144 decks
9%synergy
Mana Artifacts
Sol Ring
99%inclusion143 decks144 decks
16%synergy
Thran Dynamo
87%inclusion125 decks144 decks
82%synergy
Dimir Signet
75%inclusion3 decks4 decks
50%synergy
Talisman of Dominance
75%inclusion3 decks4 decks
42%synergy
Everflowing Chalice
67%inclusion97 decks144 decks
63%synergy
Mox Opal
64%inclusion92 decks144 decks
60%synergy
Mind Stone
56%inclusion80 decks144 decks
41%synergy
Thought Vessel
53%inclusion77 decks144 decks
36%synergy
Hedron Archive
36%inclusion52 decks144 decks
34%synergy
Liquimetal Torque
35%inclusion50 decks144 decks
32%synergy
Lotus Petal
29%inclusion42 decks144 decks
22%synergy
Sonic Screwdriver
27%inclusion39 decks144 decks
26%synergy
Worn Powerstone
24%inclusion35 decks144 decks
22%synergy
The Eternity Elevator
24%inclusion15 decks63 decks
22%synergy
The Mightstone and Weakstone
24%inclusion34 decks144 decks
23%synergy
Dreamstone Hedron
22%inclusion31 decks144 decks
21%synergy
Gilded Lotus
22%inclusion31 decks144 decks
19%synergy
Chromatic Orrery
20%inclusion29 decks144 decks
19%synergy
Blinkmoth Urn
19%inclusion27 decks144 decks
18%synergy
Mana Crypt
19%inclusion27 decks144 decks
17%synergy
Fellwar Stone
14%inclusion20 decks144 decks
-7%synergy
Arcane Signet
13%inclusion18 decks144 decks
-60%synergy
The Aetherspark
11%inclusion10 decks94 decks
10%synergy
Staff of Compleation
10%inclusion15 decks144 decks
9%synergy
Jeweled Lotus
10%inclusion15 decks144 decks
9%synergy
Stonespeaker Crystal
9.0%inclusion13 decks144 decks
9%synergy
Lion's Eye Diamond
8.3%inclusion12 decks144 decks
6%synergy
Sol Talisman
6.9%inclusion10 decks144 decks
6%synergy
Prismatic Lens
6.9%inclusion10 decks144 decks
6%synergy
The Irencrag
6.3%inclusion9 decks144 decks
6%synergy
Unstable Obelisk
5.6%inclusion8 decks144 decks
5%synergy
Mox Tantalite
5.6%inclusion8 decks144 decks
5%synergy
Skyclave Relic
5.6%inclusion8 decks144 decks
5%synergy
Patriar's Seal
5.6%inclusion8 decks144 decks
4%synergy
Mox Amber
5.6%inclusion8 decks144 decks
1%synergy
Chrome Mox
5.6%inclusion8 decks144 decks
0%synergy
Lands
Steam Vents
100%inclusion4 decks4 decks
62%synergy
Mistvault Bridge
75%inclusion3 decks4 decks
71%synergy
Volcanic Island
75%inclusion3 decks4 decks
61%synergy
Morphic Pool
75%inclusion3 decks4 decks
51%synergy
Shivan Reef
75%inclusion3 decks4 decks
46%synergy
Watery Grave
75%inclusion3 decks4 decks
33%synergy
Urza's Cave
59%inclusion78 decks133 decks
56%synergy
The Mycosynth Gardens
53%inclusion77 decks144 decks
52%synergy
Planar Nexus
37%inclusion49 decks133 decks
36%synergy
Cavern of Souls
25%inclusion36 decks144 decks
18%synergy
Talon Gates of Madara
23%inclusion30 decks129 decks
21%synergy
Gemstone Caverns
22%inclusion32 decks144 decks
17%synergy
Hall of Tagsin
15%inclusion21 decks144 decks
14%synergy
Abstergo Entertainment
12%inclusion15 decks125 decks
11%synergy
Crystal Grotto
12%inclusion17 decks144 decks
11%synergy
Power Depot
10%inclusion14 decks144 decks
9%synergy
Demolition Field
8.3%inclusion12 decks144 decks
5%synergy
Plaza of Heroes
6.9%inclusion10 decks144 decks
4%synergy
Command Tower
6.9%inclusion10 decks144 decks
-67%synergy
The Grey Havens
6.3%inclusion9 decks144 decks
5%synergy
Mirrex
5.6%inclusion8 decks144 decks
5%synergy