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
The Walls of Ba Sing Se
0.1%inclusion1 decks680 decks
Top Commanders
Karn, Legacy Reforged
0.9%inclusion49 decks5.44K decks
The Peregrine Dynamo
3.0%inclusion28 decks948 decks
Liberator, Urza's Battlethopter
0.4%inclusion10 decks2.63K decks
Karn, Silver Golem
0.9%inclusion9 decks1.03K decks
Marvin, Murderous Mimic
0.3%inclusion5 decks1.58K decks
Kozilek, Butcher of Truth
0.5%inclusion4 decks876 decks
Kozilek, the Great Distortion
0.1%inclusion4 decks5.38K decks
Urza, Lord High Artificer
0.0%inclusion4 decks17.3K decks
Ultima, Origin of Oblivion
0.0%inclusion2 decks4.49K decks
Dawnsire, Sunstar Dreadnought
0.1%inclusion2 decks1.43K decks
Traxos, Scourge of Kroog
0.1%inclusion2 decks1.95K decks
Ulamog, the Defiler
0.2%inclusion2 decks1.30K decks
Zhulodok, Void Gorger
0.0%inclusion2 decks19.6K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion1 decks4.15K decks
Bosh, Iron Golem
0.1%inclusion1 decks737 decks
Idris, Soul of the TARDIS
0.8%inclusion1 decks130 decks
Rona, Disciple of Gix
0.7%inclusion1 decks134 decks
New Cards
Planetarium of Wan Shi Tong
11%inclusion3 decks27 decks
10%synergy
The Walls of Ba Sing Se
4.0%inclusion1 decks25 decks
2%synergy
Secret Tunnel
3.8%inclusion1 decks26 decks
1%synergy
Energybending
3.6%inclusion1 decks28 decks
3%synergy
Bender's Waterskin
2.1%inclusion1 decks47 decks
0%synergy
High Synergy Cards
Vault of Whispers
100%inclusion4 decks4 decks
96%synergy
Forsaken Monument
89%inclusion126 decks141 decks
88%synergy
Mystic Forge
89%inclusion126 decks141 decks
86%synergy
Unwinding Clock
87%inclusion122 decks141 decks
84%synergy
Inventors' Fair
87%inclusion122 decks141 decks
83%synergy
Seat of the Synod
87%inclusion13 decks15 decks
80%synergy
Urza's Power Plant
82%inclusion115 decks141 decks
80%synergy
Great Furnace
86%inclusion6 decks7 decks
80%synergy
Urza's Mine
82%inclusion115 decks141 decks
80%synergy
Urza's Tower
82%inclusion115 decks141 decks
80%synergy
Top Cards
Voltaic Key
79%inclusion111 decks141 decks
78%synergy
Manifold Key
75%inclusion106 decks141 decks
74%synergy
Metalworker
74%inclusion105 decks141 decks
74%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Sculpting Steel
73%inclusion103 decks141 decks
71%synergy
Sensei's Divining Top
73%inclusion103 decks141 decks
68%synergy
Foundry Inspector
72%inclusion102 decks141 decks
68%synergy
Rings of Brighthearth
72%inclusion101 decks141 decks
70%synergy
All Is Dust
70%inclusion99 decks141 decks
69%synergy
Mana Drain
67%inclusion10 decks15 decks
52%synergy
Game Changers
Mana Vault
83%inclusion117 decks141 decks
77%synergy
Ancient Tomb
82%inclusion115 decks141 decks
72%synergy
The One Ring
66%inclusion93 decks141 decks
57%synergy
Gamble
57%inclusion4 decks7 decks
48%synergy
Mishra's Workshop
55%inclusion77 decks141 decks
54%synergy
Fierce Guardianship
53%inclusion8 decks15 decks
35%synergy
Rhystic Study
47%inclusion7 decks15 decks
22%synergy
Cyclonic Rift
40%inclusion6 decks15 decks
17%synergy
Force of Will
33%inclusion5 decks15 decks
23%synergy
Mox Diamond
26%inclusion36 decks141 decks
21%synergy
Creatures
Enthusiastic Mechanaut
75%inclusion3 decks4 decks
70%synergy
Phyrexian Metamorph
53%inclusion8 decks15 decks
46%synergy
Walking Ballista
52%inclusion73 decks141 decks
49%synergy
Liberator, Urza's Battlethopter
51%inclusion72 decks141 decks
50%synergy
Jhoira's Familiar
50%inclusion71 decks141 decks
49%synergy
Kuldotha Forgemaster
42%inclusion59 decks141 decks
41%synergy
Voltaic Construct
40%inclusion57 decks141 decks
40%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
Palladium Myr
40%inclusion56 decks141 decks
38%synergy
Scrap Trawler
39%inclusion55 decks141 decks
37%synergy
Myr Retriever
37%inclusion52 decks141 decks
35%synergy
Blightsteel Colossus
35%inclusion50 decks141 decks
34%synergy
Wandering Archaic
34%inclusion48 decks141 decks
33%synergy
Mycosynth Golem
33%inclusion47 decks141 decks
33%synergy
Metalwork Colossus
32%inclusion45 decks141 decks
31%synergy
Cityscape Leveler
30%inclusion43 decks141 decks
30%synergy
Kozilek, the Great Distortion
30%inclusion43 decks141 decks
29%synergy
Kozilek, Butcher of Truth
29%inclusion41 decks141 decks
28%synergy
Ultima, Origin of Oblivion
28%inclusion19 decks67 decks
28%synergy
Glaring Fleshraker
28%inclusion35 decks124 decks
27%synergy
Ulamog, the Ceaseless Hunger
28%inclusion39 decks141 decks
26%synergy
Abstruse Archaic
27%inclusion38 decks141 decks
27%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%inclusion35 decks141 decks
24%synergy
Lodestone Golem
23%inclusion33 decks141 decks
23%synergy
Ulamog, the Infinite Gyre
23%inclusion32 decks141 decks
21%synergy
Ulamog, the Defiler
22%inclusion27 decks124 decks
21%synergy
Skittering Cicada
21%inclusion30 decks141 decks
21%synergy
Steel Hellkite
21%inclusion29 decks141 decks
19%synergy
Marvin, Murderous Mimic
21%inclusion22 decks107 decks
19%synergy
Drafna, Founder of Lat-Nam
20%inclusion3 decks15 decks
19%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
18%inclusion26 decks141 decks
18%synergy
Myr Welder
17%inclusion24 decks141 decks
17%synergy
Cryptothrall
17%inclusion24 decks141 decks
16%synergy
Roaming Throne
17%inclusion24 decks141 decks
10%synergy
Junk Diver
16%inclusion23 decks141 decks
16%synergy
Wurmcoil Engine
16%inclusion23 decks141 decks
15%synergy
Emrakul, the Promised End
16%inclusion22 decks141 decks
15%synergy
Meteor Golem
16%inclusion22 decks141 decks
14%synergy
Scrawling Crawler
15%inclusion15 decks98 decks
13%synergy
Solemn Simulacrum
15%inclusion21 decks141 decks
2%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
16%synergy
Counterspell
40%inclusion6 decks15 decks
-2%synergy
Null Elemental Blast
34%inclusion44 decks128 decks
33%synergy
Swan Song
33%inclusion5 decks15 decks
16%synergy
Warping Wail
31%inclusion44 decks141 decks
30%synergy
Kozilek's Command
23%inclusion28 decks124 decks
22%synergy
Mystical Tutor
20%inclusion3 decks15 decks
8%synergy
Negate
20%inclusion3 decks15 decks
-1%synergy
Eldritch Immunity
18%inclusion22 decks124 decks
17%synergy
Desecrate Reality
14%inclusion20 decks141 decks
14%synergy
Spatial Contortion
13%inclusion19 decks141 decks
13%synergy
Eldrazi Confluence
12%inclusion15 decks124 decks
11%synergy
Scour from Existence
11%inclusion15 decks141 decks
10%synergy
Titan's Presence
11%inclusion15 decks141 decks
10%synergy
Not of This World
9.2%inclusion13 decks141 decks
9%synergy
Sorceries
Fabricate
60%inclusion9 decks15 decks
54%synergy
Vandalblast
57%inclusion4 decks7 decks
41%synergy
Transmute Artifact
40%inclusion6 decks15 decks
39%synergy
Thoughtcast
33%inclusion5 decks15 decks
30%synergy
Reshape
27%inclusion4 decks15 decks
25%synergy
Rise of the Eldrazi
21%inclusion29 decks141 decks
20%synergy
Selective Obliteration
10%inclusion13 decks124 decks
10%synergy
Calamity of the Titans
7.1%inclusion10 decks141 decks
7%synergy
Introduction to Annihilation
6.4%inclusion9 decks141 decks
6%synergy
Utility Artifacts
Cloud Key
63%inclusion89 decks141 decks
61%synergy
Staff of Domination
62%inclusion87 decks141 decks
60%synergy
Darksteel Forge
55%inclusion77 decks141 decks
53%synergy
Planar Bridge
52%inclusion73 decks141 decks
51%synergy
Chimil, the Inner Sun
47%inclusion66 decks141 decks
45%synergy
Moonsilver Key
46%inclusion65 decks141 decks
45%synergy
Mycosynth Lattice
44%inclusion62 decks141 decks
43%synergy
Expedition Map
43%inclusion60 decks141 decks
40%synergy
Mirage Mirror
35%inclusion50 decks141 decks
34%synergy
Darksteel Monolith
35%inclusion49 decks141 decks
34%synergy
Semblance Anvil
35%inclusion49 decks141 decks
34%synergy
Lightning Greaves
33%inclusion47 decks141 decks
8%synergy
Doubling Cube
33%inclusion46 decks141 decks
32%synergy
Krark-Clan Ironworks
32%inclusion45 decks141 decks
31%synergy
Portal to Phyrexia
31%inclusion44 decks141 decks
30%synergy
Mind's Eye
29%inclusion41 decks141 decks
28%synergy
Strionic Resonator
28%inclusion40 decks141 decks
26%synergy
Aetherflux Reservoir
28%inclusion39 decks141 decks
24%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
Helm of the Host
26%inclusion36 decks141 decks
22%synergy
The Endstone
24%inclusion14 decks58 decks
23%synergy
Commander's Plate
24%inclusion34 decks141 decks
22%synergy
Simulacrum Synthesizer
23%inclusion3 decks13 decks
21%synergy
Mirrorworks
22%inclusion31 decks141 decks
21%synergy
The Immortal Sun
21%inclusion30 decks141 decks
21%synergy
Thran Temporal Gateway
18%inclusion26 decks141 decks
18%synergy
The Millennium Calendar
18%inclusion26 decks141 decks
18%synergy
Torpor Orb
18%inclusion26 decks141 decks
18%synergy
Palantír of Orthanc
18%inclusion26 decks141 decks
17%synergy
Vedalken Orrery
18%inclusion25 decks141 decks
17%synergy
Horizon Stone
17%inclusion24 decks141 decks
17%synergy
God-Pharaoh's Statue
17%inclusion24 decks141 decks
16%synergy
Swiftfoot Boots
17%inclusion24 decks141 decks
-10%synergy
Mindslaver
16%inclusion22 decks141 decks
15%synergy
Akroma's Memorial
16%inclusion22 decks141 decks
14%synergy
Memory Jar
15%inclusion21 decks141 decks
15%synergy
Winter Orb
15%inclusion21 decks141 decks
14%synergy
Illusionist's Bracers
15%inclusion21 decks141 decks
14%synergy
Ashnod's Altar
15%inclusion21 decks141 decks
8%synergy
Nevinyrral's Disk
14%inclusion20 decks141 decks
13%synergy
Gonti's Aether Heart
13%inclusion19 decks141 decks
13%synergy
Excalibur, Sword of Eden
13%inclusion16 decks120 decks
12%synergy
Eye of Vecna
13%inclusion18 decks141 decks
13%synergy
Magistrate's Scepter
13%inclusion18 decks141 decks
13%synergy
Trinisphere
13%inclusion18 decks141 decks
12%synergy
Helm of Awakening
13%inclusion18 decks141 decks
12%synergy
Thousand-Year Elixir
13%inclusion18 decks141 decks
11%synergy
Scroll Rack
11%inclusion16 decks141 decks
10%synergy
Static Orb
11%inclusion15 decks141 decks
10%synergy
Spine of Ish Sah
11%inclusion15 decks141 decks
10%synergy
Enchantments
Training Grounds
40%inclusion6 decks15 decks
37%synergy
Echoes of Eternity
36%inclusion45 decks124 decks
35%synergy
Power Artifact
33%inclusion5 decks15 decks
33%synergy
Mystic Remora
33%inclusion5 decks15 decks
17%synergy
Planeswalkers
Karn, the Great Creator
63%inclusion89 decks141 decks
62%synergy
Ugin, the Ineffable
62%inclusion88 decks141 decks
61%synergy
Ugin, Eye of the Storms
58%inclusion45 decks77 decks
57%synergy
Ugin, the Spirit Dragon
47%inclusion66 decks141 decks
46%synergy
Tezzeret, Cruel Captain
43%inclusion26 decks60 decks
42%synergy
Karn, Living Legacy
36%inclusion51 decks141 decks
36%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
27%inclusion38 decks141 decks
27%synergy
Karn Liberated
21%inclusion29 decks141 decks
20%synergy
Utility Lands
Urza's Saga
81%inclusion114 decks141 decks
74%synergy
Urza's Workshop
72%inclusion101 decks141 decks
71%synergy
Darksteel Citadel
72%inclusion101 decks141 decks
68%synergy
Buried Ruin
72%inclusion101 decks141 decks
67%synergy
Academy Ruins
67%inclusion10 decks15 decks
61%synergy
War Room
63%inclusion89 decks141 decks
57%synergy
Thespian's Stage
55%inclusion77 decks141 decks
52%synergy
Shrine of the Forsaken Gods
48%inclusion68 decks141 decks
47%synergy
Reliquary Tower
48%inclusion67 decks141 decks
18%synergy
Fomori Vault
45%inclusion59 decks130 decks
44%synergy
Uthros, Titanic Godcore
43%inclusion3 decks7 decks
39%synergy
Strip Mine
42%inclusion59 decks141 decks
39%synergy
Archway of Innovation
42%inclusion5 decks12 decks
38%synergy
Minamo, School at Water's Edge
40%inclusion6 decks15 decks
35%synergy
Deserted Temple
39%inclusion55 decks141 decks
38%synergy
Treasure Vault
39%inclusion55 decks141 decks
36%synergy
Blast Zone
38%inclusion54 decks141 decks
37%synergy
Wasteland
38%inclusion54 decks141 decks
37%synergy
Urza's Factory
38%inclusion53 decks141 decks
37%synergy
Scavenger Grounds
37%inclusion52 decks141 decks
33%synergy
Crystal Vein
36%inclusion51 decks141 decks
35%synergy
Scorched Ruins
35%inclusion50 decks141 decks
35%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Sanctum of Ugin
33%inclusion46 decks141 decks
32%synergy
Ugin's Labyrinth
32%inclusion41 decks129 decks
31%synergy
Zhalfirin Void
31%inclusion44 decks141 decks
31%synergy
Vesuva
30%inclusion43 decks141 decks
29%synergy
Homeward Path
30%inclusion42 decks141 decks
28%synergy
Mikokoro, Center of the Sea
28%inclusion40 decks141 decks
27%synergy
Bonders' Enclave
28%inclusion40 decks141 decks
26%synergy
Rogue's Passage
28%inclusion40 decks141 decks
8%synergy
Tomb of the Spirit Dragon
28%inclusion39 decks141 decks
27%synergy
Mystic Sanctuary
27%inclusion4 decks15 decks
16%synergy
Geier Reach Sanitarium
26%inclusion36 decks141 decks
22%synergy
Command Beacon
26%inclusion36 decks141 decks
21%synergy
Eldrazi Temple
23%inclusion33 decks141 decks
22%synergy
Temple of the False God
22%inclusion31 decks141 decks
13%synergy
Arch of Orazca
20%inclusion28 decks141 decks
19%synergy
City of Traitors
20%inclusion28 decks141 decks
19%synergy
Field of the Dead
20%inclusion28 decks141 decks
17%synergy
Emergence Zone
19%inclusion27 decks141 decks
17%synergy
Karn's Bastion
18%inclusion25 decks141 decks
13%synergy
Eye of Ugin
16%inclusion23 decks141 decks
16%synergy
Arcane Lighthouse
16%inclusion23 decks141 decks
15%synergy
Guildless Commons
14%inclusion20 decks141 decks
13%synergy
Fountainport
14%inclusion16 decks117 decks
12%synergy
Ghost Quarter
13%inclusion19 decks141 decks
12%synergy
Muraganda Raceway
12%inclusion11 decks89 decks
11%synergy
Mage-Ring Network
11%inclusion15 decks141 decks
10%synergy
Tyrite Sanctum
11%inclusion15 decks141 decks
9%synergy
Mana Artifacts
Sol Ring
100%inclusion141 decks141 decks
16%synergy
Thran Dynamo
86%inclusion121 decks141 decks
81%synergy
Dimir Signet
75%inclusion3 decks4 decks
50%synergy
Talisman of Dominance
75%inclusion3 decks4 decks
42%synergy
Everflowing Chalice
67%inclusion95 decks141 decks
63%synergy
Mox Opal
63%inclusion89 decks141 decks
59%synergy
Mind Stone
57%inclusion80 decks141 decks
42%synergy
Thought Vessel
54%inclusion76 decks141 decks
36%synergy
Hedron Archive
38%inclusion53 decks141 decks
35%synergy
Liquimetal Torque
35%inclusion50 decks141 decks
33%synergy
Lotus Petal
29%inclusion41 decks141 decks
22%synergy
Sonic Screwdriver
28%inclusion39 decks141 decks
27%synergy
Worn Powerstone
26%inclusion37 decks141 decks
24%synergy
The Mightstone and Weakstone
25%inclusion35 decks141 decks
24%synergy
Dreamstone Hedron
23%inclusion32 decks141 decks
22%synergy
Gilded Lotus
23%inclusion32 decks141 decks
20%synergy
Chromatic Orrery
20%inclusion28 decks141 decks
19%synergy
Mana Crypt
20%inclusion28 decks141 decks
18%synergy
Blinkmoth Urn
18%inclusion26 decks141 decks
18%synergy
The Eternity Elevator
16%inclusion9 decks58 decks
14%synergy
Fellwar Stone
14%inclusion20 decks141 decks
-6%synergy
Arcane Signet
13%inclusion18 decks141 decks
-60%synergy
Jeweled Lotus
12%inclusion17 decks141 decks
10%synergy
Staff of Compleation
11%inclusion16 decks141 decks
10%synergy
The Aetherspark
11%inclusion10 decks89 decks
10%synergy
Stonespeaker Crystal
8.5%inclusion12 decks141 decks
8%synergy
Lion's Eye Diamond
8.5%inclusion12 decks141 decks
7%synergy
Sol Talisman
7.1%inclusion10 decks141 decks
6%synergy
Prismatic Lens
7.1%inclusion10 decks141 decks
6%synergy
The Irencrag
6.4%inclusion9 decks141 decks
6%synergy
Unstable Obelisk
5.7%inclusion8 decks141 decks
5%synergy
Mox Tantalite
5.7%inclusion8 decks141 decks
5%synergy
Skyclave Relic
5.7%inclusion8 decks141 decks
5%synergy
Coveted Jewel
5.7%inclusion8 decks141 decks
5%synergy
Patriar's Seal
5.7%inclusion8 decks141 decks
4%synergy
Chrome Mox
5.7%inclusion8 decks141 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
50%synergy
Shivan Reef
75%inclusion3 decks4 decks
46%synergy
Watery Grave
75%inclusion3 decks4 decks
34%synergy
Urza's Cave
59%inclusion75 decks128 decks
56%synergy
The Mycosynth Gardens
55%inclusion78 decks141 decks
54%synergy
Planar Nexus
37%inclusion47 decks128 decks
36%synergy
Cavern of Souls
26%inclusion36 decks141 decks
18%synergy
Gemstone Caverns
23%inclusion33 decks141 decks
18%synergy
Talon Gates of Madara
23%inclusion28 decks124 decks
20%synergy
Hall of Tagsin
15%inclusion21 decks141 decks
15%synergy
Abstergo Entertainment
13%inclusion15 decks120 decks
12%synergy
Crystal Grotto
12%inclusion17 decks141 decks
11%synergy
Power Depot
10%inclusion14 decks141 decks
9%synergy
Demolition Field
8.5%inclusion12 decks141 decks
5%synergy
Plaza of Heroes
7.1%inclusion10 decks141 decks
5%synergy
Command Tower
7.1%inclusion10 decks141 decks
-67%synergy
Mirrex
5.7%inclusion8 decks141 decks
5%synergy
The Grey Havens
5.7%inclusion8 decks141 decks
5%synergy