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
0.2%inclusion1 decks570 decks
Top Commanders
Karn, Legacy Reforged
0.9%inclusion50 decks5.52K decks
The Peregrine Dynamo
3.3%inclusion31 decks950 decks
Liberator, Urza's Battlethopter
0.4%inclusion11 decks2.70K decks
Karn, Silver Golem
0.9%inclusion9 decks1.06K decks
Marvin, Murderous Mimic
0.3%inclusion5 decks1.56K decks
Kozilek, Butcher of Truth
0.4%inclusion4 decks899 decks
Kozilek, the Great Distortion
0.1%inclusion4 decks5.54K decks
Urza, Lord High Artificer
0.0%inclusion4 decks17.4K decks
Ultima, Origin of Oblivion
0.0%inclusion2 decks4.21K decks
Dawnsire, Sunstar Dreadnought
0.1%inclusion2 decks1.34K decks
Traxos, Scourge of Kroog
0.1%inclusion2 decks1.99K decks
Ulamog, the Defiler
0.2%inclusion2 decks1.28K decks
Zhulodok, Void Gorger
0.0%inclusion2 decks20.1K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion1 decks4.26K decks
Bosh, Iron Golem
0.1%inclusion1 decks750 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
8.0%inclusion2 decks25 decks
7%synergy
The Walls of Ba Sing Se
4.3%inclusion1 decks23 decks
3%synergy
Secret Tunnel
4.2%inclusion1 decks24 decks
1%synergy
Energybending
3.8%inclusion1 decks26 decks
3%synergy
Bender's Waterskin
2.2%inclusion1 decks45 decks
0%synergy
High Synergy Cards
Vault of Whispers
100%inclusion4 decks4 decks
96%synergy
Forsaken Monument
90%inclusion131 decks146 decks
88%synergy
Mystic Forge
89%inclusion130 decks146 decks
86%synergy
Inventors' Fair
86%inclusion126 decks146 decks
83%synergy
Unwinding Clock
85%inclusion124 decks146 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
82%inclusion119 decks146 decks
80%synergy
Urza's Mine
82%inclusion119 decks146 decks
80%synergy
Urza's Tower
82%inclusion119 decks146 decks
80%synergy
Top Cards
Voltaic Key
78%inclusion114 decks146 decks
77%synergy
Metalworker
75%inclusion109 decks146 decks
74%synergy
Manifold Key
75%inclusion109 decks146 decks
73%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Rings of Brighthearth
73%inclusion106 decks146 decks
71%synergy
Foundry Inspector
73%inclusion106 decks146 decks
68%synergy
Sensei's Divining Top
73%inclusion106 decks146 decks
68%synergy
Sculpting Steel
72%inclusion105 decks146 decks
70%synergy
All Is Dust
71%inclusion103 decks146 decks
69%synergy
Mana Drain
67%inclusion10 decks15 decks
52%synergy
Game Changers
Mana Vault
84%inclusion122 decks146 decks
78%synergy
Ancient Tomb
79%inclusion116 decks146 decks
70%synergy
The One Ring
66%inclusion96 decks146 decks
57%synergy
Gamble
57%inclusion4 decks7 decks
48%synergy
Mishra's Workshop
53%inclusion78 decks146 decks
53%synergy
Fierce Guardianship
53%inclusion8 decks15 decks
36%synergy
Rhystic Study
47%inclusion7 decks15 decks
22%synergy
Force of Will
33%inclusion5 decks15 decks
23%synergy
Mox Diamond
25%inclusion37 decks146 decks
21%synergy
Field of the Dead
20%inclusion29 decks146 decks
17%synergy
Creatures
Enthusiastic Mechanaut
75%inclusion3 decks4 decks
70%synergy
Phyrexian Metamorph
53%inclusion8 decks15 decks
46%synergy
Liberator, Urza's Battlethopter
51%inclusion75 decks146 decks
50%synergy
Jhoira's Familiar
51%inclusion75 decks146 decks
50%synergy
Walking Ballista
51%inclusion74 decks146 decks
48%synergy
Kuldotha Forgemaster
40%inclusion59 decks146 decks
40%synergy
Palladium Myr
40%inclusion59 decks146 decks
39%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
Voltaic Construct
40%inclusion58 decks146 decks
40%synergy
Scrap Trawler
38%inclusion56 decks146 decks
37%synergy
Blightsteel Colossus
36%inclusion53 decks146 decks
35%synergy
Myr Retriever
36%inclusion53 decks146 decks
35%synergy
Wandering Archaic
34%inclusion50 decks146 decks
33%synergy
Mycosynth Golem
32%inclusion47 decks146 decks
32%synergy
Cityscape Leveler
31%inclusion45 decks146 decks
30%synergy
Kozilek, the Great Distortion
31%inclusion45 decks146 decks
30%synergy
Kozilek, Butcher of Truth
31%inclusion45 decks146 decks
29%synergy
Metalwork Colossus
30%inclusion44 decks146 decks
29%synergy
Ulamog, the Ceaseless Hunger
29%inclusion42 decks146 decks
27%synergy
Ultima, Origin of Oblivion
28%inclusion18 decks65 decks
27%synergy
Glaring Fleshraker
28%inclusion34 decks123 decks
26%synergy
Abstruse Archaic
27%inclusion40 decks146 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
Ulamog, the Infinite Gyre
24%inclusion35 decks146 decks
23%synergy
Shimmer Myr
24%inclusion35 decks146 decks
23%synergy
Lodestone Golem
23%inclusion33 decks146 decks
22%synergy
Ulamog, the Defiler
22%inclusion27 decks123 decks
21%synergy
Skittering Cicada
21%inclusion31 decks146 decks
21%synergy
Steel Hellkite
21%inclusion31 decks146 decks
20%synergy
Marvin, Murderous Mimic
21%inclusion22 decks106 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
Myr Welder
18%inclusion26 decks146 decks
18%synergy
Platinum Angel
18%inclusion26 decks146 decks
17%synergy
Emrakul, the Promised End
17%inclusion25 decks146 decks
16%synergy
Cryptothrall
16%inclusion24 decks146 decks
16%synergy
Junk Diver
16%inclusion24 decks146 decks
16%synergy
Roaming Throne
16%inclusion24 decks146 decks
10%synergy
Wurmcoil Engine
16%inclusion23 decks146 decks
14%synergy
Scrawling Crawler
15%inclusion15 decks97 decks
13%synergy
Meteor Golem
15%inclusion22 decks146 decks
13%synergy
Karn, Silver Golem
14%inclusion21 decks146 decks
14%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
Cyclonic Rift
40%inclusion6 decks15 decks
17%synergy
An Offer You Can't Refuse
40%inclusion6 decks15 decks
16%synergy
Counterspell
40%inclusion6 decks15 decks
-2%synergy
Swan Song
33%inclusion5 decks15 decks
16%synergy
Null Elemental Blast
33%inclusion42 decks127 decks
32%synergy
Warping Wail
30%inclusion44 decks146 decks
29%synergy
Kozilek's Command
22%inclusion27 decks123 decks
21%synergy
Mystical Tutor
20%inclusion3 decks15 decks
8%synergy
Negate
20%inclusion3 decks15 decks
-1%synergy
Eldritch Immunity
16%inclusion20 decks123 decks
15%synergy
Desecrate Reality
14%inclusion21 decks146 decks
14%synergy
Spatial Contortion
14%inclusion20 decks146 decks
14%synergy
Scour from Existence
12%inclusion17 decks146 decks
11%synergy
Eldrazi Confluence
11%inclusion14 decks123 decks
11%synergy
Titan's Presence
10%inclusion15 decks146 decks
10%synergy
Not of This World
8.9%inclusion13 decks146 decks
8%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%inclusion30 decks146 decks
20%synergy
Selective Obliteration
11%inclusion13 decks123 decks
10%synergy
Calamity of the Titans
7.5%inclusion11 decks146 decks
7%synergy
Introduction to Annihilation
6.8%inclusion10 decks146 decks
7%synergy
Utility Artifacts
Cloud Key
62%inclusion91 decks146 decks
60%synergy
Staff of Domination
60%inclusion88 decks146 decks
59%synergy
Darksteel Forge
54%inclusion79 decks146 decks
53%synergy
Planar Bridge
53%inclusion77 decks146 decks
52%synergy
Chimil, the Inner Sun
47%inclusion68 decks146 decks
45%synergy
Moonsilver Key
45%inclusion66 decks146 decks
44%synergy
Mycosynth Lattice
43%inclusion63 decks146 decks
42%synergy
Expedition Map
43%inclusion63 decks146 decks
40%synergy
Mirage Mirror
35%inclusion51 decks146 decks
34%synergy
Darksteel Monolith
34%inclusion50 decks146 decks
33%synergy
Semblance Anvil
34%inclusion49 decks146 decks
33%synergy
Krark-Clan Ironworks
34%inclusion49 decks146 decks
32%synergy
Doubling Cube
33%inclusion48 decks146 decks
32%synergy
Lightning Greaves
32%inclusion47 decks146 decks
7%synergy
Portal to Phyrexia
30%inclusion44 decks146 decks
29%synergy
Mind's Eye
29%inclusion42 decks146 decks
28%synergy
Strionic Resonator
28%inclusion41 decks146 decks
25%synergy
Helm of the Host
27%inclusion40 decks146 decks
24%synergy
Aetherflux Reservoir
27%inclusion39 decks146 decks
23%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
The Endstone
25%inclusion14 decks56 decks
24%synergy
Commander's Plate
24%inclusion35 decks146 decks
22%synergy
Simulacrum Synthesizer
23%inclusion3 decks13 decks
21%synergy
Mirrorworks
22%inclusion32 decks146 decks
21%synergy
The Immortal Sun
20%inclusion29 decks146 decks
19%synergy
The Millennium Calendar
18%inclusion27 decks146 decks
18%synergy
Thran Temporal Gateway
18%inclusion26 decks146 decks
18%synergy
Torpor Orb
18%inclusion26 decks146 decks
17%synergy
Vedalken Orrery
18%inclusion26 decks146 decks
17%synergy
Palantír of Orthanc
18%inclusion26 decks146 decks
17%synergy
Mindslaver
17%inclusion25 decks146 decks
17%synergy
Horizon Stone
16%inclusion24 decks146 decks
16%synergy
God-Pharaoh's Statue
16%inclusion24 decks146 decks
16%synergy
Swiftfoot Boots
16%inclusion24 decks146 decks
-11%synergy
Gonti's Aether Heart
16%inclusion23 decks146 decks
15%synergy
Akroma's Memorial
16%inclusion23 decks146 decks
14%synergy
Winter Orb
15%inclusion22 decks146 decks
15%synergy
Ashnod's Altar
15%inclusion22 decks146 decks
9%synergy
Memory Jar
14%inclusion21 decks146 decks
14%synergy
Nevinyrral's Disk
14%inclusion21 decks146 decks
13%synergy
Illusionist's Bracers
14%inclusion21 decks146 decks
13%synergy
Excalibur, Sword of Eden
13%inclusion16 decks119 decks
12%synergy
Magistrate's Scepter
13%inclusion19 decks146 decks
13%synergy
Trinisphere
13%inclusion19 decks146 decks
13%synergy
Eye of Vecna
12%inclusion18 decks146 decks
12%synergy
Helm of Awakening
12%inclusion18 decks146 decks
11%synergy
Tamiyo's Journal
12%inclusion17 decks146 decks
11%synergy
Agatha's Soul Cauldron
12%inclusion17 decks146 decks
10%synergy
Thousand-Year Elixir
12%inclusion17 decks146 decks
10%synergy
Static Orb
11%inclusion16 decks146 decks
11%synergy
Enchantments
Training Grounds
40%inclusion6 decks15 decks
37%synergy
Echoes of Eternity
35%inclusion43 decks123 decks
34%synergy
Power Artifact
33%inclusion5 decks15 decks
33%synergy
Mystic Remora
33%inclusion5 decks15 decks
17%synergy
Planeswalkers
Karn, the Great Creator
63%inclusion92 decks146 decks
62%synergy
Ugin, the Ineffable
62%inclusion91 decks146 decks
61%synergy
Ugin, Eye of the Storms
57%inclusion43 decks75 decks
56%synergy
Ugin, the Spirit Dragon
47%inclusion68 decks146 decks
45%synergy
Tezzeret, Cruel Captain
43%inclusion25 decks58 decks
41%synergy
Karn, Living Legacy
38%inclusion56 decks146 decks
38%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
29%inclusion42 decks146 decks
28%synergy
Karn Liberated
22%inclusion32 decks146 decks
22%synergy
Utility Lands
Urza's Saga
79%inclusion116 decks146 decks
72%synergy
Urza's Workshop
71%inclusion104 decks146 decks
71%synergy
Darksteel Citadel
71%inclusion104 decks146 decks
67%synergy
Buried Ruin
71%inclusion103 decks146 decks
66%synergy
Academy Ruins
67%inclusion10 decks15 decks
61%synergy
War Room
63%inclusion92 decks146 decks
57%synergy
Thespian's Stage
54%inclusion79 decks146 decks
52%synergy
Shrine of the Forsaken Gods
49%inclusion71 decks146 decks
47%synergy
Reliquary Tower
47%inclusion68 decks146 decks
17%synergy
Fomori Vault
44%inclusion57 decks129 decks
43%synergy
Uthros, Titanic Godcore
43%inclusion3 decks7 decks
39%synergy
Strip Mine
42%inclusion61 decks146 decks
39%synergy
Archway of Innovation
42%inclusion5 decks12 decks
38%synergy
Minamo, School at Water's Edge
40%inclusion6 decks15 decks
35%synergy
Treasure Vault
38%inclusion56 decks146 decks
36%synergy
Blast Zone
38%inclusion55 decks146 decks
37%synergy
Wasteland
38%inclusion55 decks146 decks
36%synergy
Urza's Factory
37%inclusion54 decks146 decks
37%synergy
Deserted Temple
37%inclusion54 decks146 decks
36%synergy
Scavenger Grounds
37%inclusion54 decks146 decks
33%synergy
Crystal Vein
36%inclusion52 decks146 decks
35%synergy
Scorched Ruins
34%inclusion50 decks146 decks
34%synergy
Zhalfirin Void
34%inclusion49 decks146 decks
33%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Sanctum of Ugin
33%inclusion48 decks146 decks
32%synergy
Vesuva
31%inclusion45 decks146 decks
29%synergy
Ugin's Labyrinth
30%inclusion39 decks128 decks
30%synergy
Homeward Path
30%inclusion44 decks146 decks
29%synergy
Mikokoro, Center of the Sea
30%inclusion44 decks146 decks
29%synergy
Rogue's Passage
29%inclusion42 decks146 decks
8%synergy
Bonders' Enclave
28%inclusion41 decks146 decks
26%synergy
Tomb of the Spirit Dragon
27%inclusion40 decks146 decks
26%synergy
Command Beacon
27%inclusion39 decks146 decks
22%synergy
Mystic Sanctuary
27%inclusion4 decks15 decks
16%synergy
Geier Reach Sanitarium
25%inclusion37 decks146 decks
22%synergy
Eldrazi Temple
24%inclusion35 decks146 decks
23%synergy
Temple of the False God
22%inclusion32 decks146 decks
13%synergy
Arch of Orazca
21%inclusion31 decks146 decks
20%synergy
City of Traitors
20%inclusion29 decks146 decks
19%synergy
Emergence Zone
20%inclusion29 decks146 decks
17%synergy
Karn's Bastion
19%inclusion28 decks146 decks
14%synergy
Eye of Ugin
16%inclusion24 decks146 decks
16%synergy
Arcane Lighthouse
16%inclusion24 decks146 decks
15%synergy
Guildless Commons
16%inclusion23 decks146 decks
14%synergy
Fountainport
14%inclusion16 decks116 decks
12%synergy
Ghost Quarter
14%inclusion20 decks146 decks
12%synergy
Muraganda Raceway
11%inclusion10 decks88 decks
10%synergy
Mage-Ring Network
10%inclusion15 decks146 decks
10%synergy
Dark Depths
10%inclusion15 decks146 decks
9%synergy
Tyrite Sanctum
10%inclusion15 decks146 decks
9%synergy
Mana Artifacts
Sol Ring
98%inclusion143 decks146 decks
14%synergy
Thran Dynamo
84%inclusion123 decks146 decks
80%synergy
Dimir Signet
75%inclusion3 decks4 decks
49%synergy
Talisman of Dominance
75%inclusion3 decks4 decks
42%synergy
Everflowing Chalice
68%inclusion100 decks146 decks
64%synergy
Mox Opal
62%inclusion91 decks146 decks
58%synergy
Mind Stone
55%inclusion81 decks146 decks
40%synergy
Thought Vessel
52%inclusion76 decks146 decks
35%synergy
Hedron Archive
38%inclusion56 decks146 decks
36%synergy
Liquimetal Torque
35%inclusion51 decks146 decks
32%synergy
Sonic Screwdriver
28%inclusion41 decks146 decks
27%synergy
Lotus Petal
28%inclusion41 decks146 decks
21%synergy
Worn Powerstone
26%inclusion38 decks146 decks
24%synergy
The Mightstone and Weakstone
25%inclusion36 decks146 decks
24%synergy
Gilded Lotus
23%inclusion34 decks146 decks
20%synergy
Dreamstone Hedron
23%inclusion33 decks146 decks
22%synergy
Chromatic Orrery
21%inclusion30 decks146 decks
19%synergy
Mana Crypt
21%inclusion30 decks146 decks
18%synergy
Blinkmoth Urn
18%inclusion27 decks146 decks
18%synergy
The Eternity Elevator
16%inclusion9 decks56 decks
15%synergy
Fellwar Stone
14%inclusion20 decks146 decks
-7%synergy
Arcane Signet
13%inclusion19 decks146 decks
-59%synergy
Jeweled Lotus
12%inclusion18 decks146 decks
11%synergy
The Aetherspark
11%inclusion10 decks88 decks
10%synergy
Staff of Compleation
11%inclusion16 decks146 decks
10%synergy
Stonespeaker Crystal
10%inclusion14 decks146 decks
9%synergy
Lion's Eye Diamond
7.5%inclusion11 decks146 decks
6%synergy
Sol Talisman
6.8%inclusion10 decks146 decks
6%synergy
Prismatic Lens
6.8%inclusion10 decks146 decks
6%synergy
Coveted Jewel
6.8%inclusion10 decks146 decks
6%synergy
Patriar's Seal
6.2%inclusion9 decks146 decks
5%synergy
Fractured Powerstone
5.5%inclusion8 decks146 decks
5%synergy
Empowered Autogenerator
5.5%inclusion8 decks146 decks
5%synergy
Unstable Obelisk
5.5%inclusion8 decks146 decks
5%synergy
Mox Tantalite
5.5%inclusion8 decks146 decks
5%synergy
The Irencrag
5.5%inclusion8 decks146 decks
5%synergy
Skyclave Relic
5.5%inclusion8 decks146 decks
5%synergy
Chrome Mox
5.5%inclusion8 decks146 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
57%inclusion73 decks127 decks
55%synergy
The Mycosynth Gardens
55%inclusion81 decks146 decks
54%synergy
Planar Nexus
36%inclusion46 decks127 decks
36%synergy
Cavern of Souls
25%inclusion36 decks146 decks
17%synergy
Gemstone Caverns
23%inclusion34 decks146 decks
18%synergy
Talon Gates of Madara
21%inclusion26 decks123 decks
19%synergy
Hall of Tagsin
16%inclusion24 decks146 decks
16%synergy
Crystal Grotto
14%inclusion20 decks146 decks
13%synergy
Abstergo Entertainment
12%inclusion14 decks119 decks
11%synergy
Power Depot
10%inclusion14 decks146 decks
9%synergy
Demolition Field
10%inclusion14 decks146 decks
7%synergy
Plaza of Heroes
7.5%inclusion11 decks146 decks
5%synergy
Command Tower
6.8%inclusion10 decks146 decks
-67%synergy
The Grey Havens
6.2%inclusion9 decks146 decks
5%synergy
Mirrex
5.5%inclusion8 decks146 decks
5%synergy