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 cannot 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 decks444 decks
Top Commanders
Karn, Legacy Reforged
0.9%inclusion49 decks5.46K decks
The Peregrine Dynamo
3.5%inclusion32 decks916 decks
Liberator, Urza's Battlethopter
0.4%inclusion12 decks2.70K decks
Karn, Silver Golem
0.8%inclusion8 decks1.05K decks
Kozilek, Butcher of Truth
0.4%inclusion4 decks897 decks
Marvin, Murderous Mimic
0.3%inclusion4 decks1.53K decks
Kozilek, the Great Distortion
0.1%inclusion4 decks5.53K decks
Urza, Lord High Artificer
0.0%inclusion4 decks17.2K decks
Ultima, Origin of Oblivion
0.1%inclusion2 decks3.98K decks
Dawnsire, Sunstar Dreadnought
0.2%inclusion2 decks1.23K decks
Traxos, Scourge of Kroog
0.1%inclusion2 decks1.96K decks
Ulamog, the Defiler
0.2%inclusion2 decks1.25K decks
Zhulodok, Void Gorger
0.0%inclusion2 decks19.9K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion1 decks4.24K decks
Bosh, Iron Golem
0.1%inclusion1 decks747 decks
Idris, Soul of the TARDIS
0.8%inclusion1 decks126 decks
Urza, Chief Artificer
0.0%inclusion1 decks15.9K decks
New Cards
The Walls of Ba Sing Se
14%inclusion2 decks14 decks
13%synergy
Zuko's Exile
11%inclusion2 decks18 decks
10%synergy
Secret Tunnel
6.3%inclusion1 decks16 decks
4%synergy
Planetarium of Wan Shi Tong
5.9%inclusion1 decks17 decks
5%synergy
Energybending
5.6%inclusion1 decks18 decks
5%synergy
High Synergy Cards
Forsaken Monument
92%inclusion130 decks142 decks
90%synergy
Mystic Forge
89%inclusion126 decks142 decks
86%synergy
Unwinding Clock
86%inclusion122 decks142 decks
83%synergy
Inventors' Fair
87%inclusion123 decks142 decks
83%synergy
Great Furnace
86%inclusion6 decks7 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
Seat of the Synod
85%inclusion11 decks13 decks
78%synergy
Voltaic Key
78%inclusion111 decks142 decks
77%synergy
Top Cards
Etherium Sculptor
77%inclusion10 decks13 decks
71%synergy
Metalworker
76%inclusion108 decks142 decks
76%synergy
Manifold Key
75%inclusion106 decks142 decks
73%synergy
Rings of Brighthearth
74%inclusion105 decks142 decks
73%synergy
Sensei's Divining Top
73%inclusion103 decks142 decks
68%synergy
All Is Dust
72%inclusion102 decks142 decks
70%synergy
Sculpting Steel
72%inclusion102 decks142 decks
70%synergy
Foundry Inspector
72%inclusion102 decks142 decks
68%synergy
Mana Drain
69%inclusion9 decks13 decks
55%synergy
Karn, the Great Creator
65%inclusion92 decks142 decks
64%synergy
Game Changers
Mana Vault
85%inclusion120 decks142 decks
79%synergy
Ancient Tomb
80%inclusion113 decks142 decks
70%synergy
The One Ring
67%inclusion95 decks142 decks
58%synergy
Fierce Guardianship
62%inclusion8 decks13 decks
44%synergy
Gamble
57%inclusion4 decks7 decks
48%synergy
Rhystic Study
54%inclusion7 decks13 decks
29%synergy
Mishra's Workshop
54%inclusion76 decks142 decks
53%synergy
Cyclonic Rift
46%inclusion6 decks13 decks
23%synergy
Force of Will
38%inclusion5 decks13 decks
28%synergy
Mox Diamond
26%inclusion37 decks142 decks
22%synergy
Creatures
Enthusiastic Mechanaut
75%inclusion3 decks4 decks
70%synergy
Phyrexian Metamorph
54%inclusion7 decks13 decks
46%synergy
Walking Ballista
54%inclusion76 decks142 decks
51%synergy
Liberator, Urza's Battlethopter
53%inclusion75 decks142 decks
52%synergy
Jhoira's Familiar
52%inclusion74 decks142 decks
51%synergy
Urza, Lord High Artificer
46%inclusion6 decks13 decks
43%synergy
Kuldotha Forgemaster
41%inclusion58 decks142 decks
40%synergy
Palladium Myr
41%inclusion58 decks142 decks
39%synergy
Voltaic Construct
39%inclusion56 decks142 decks
39%synergy
Master Transmuter
38%inclusion5 decks13 decks
37%synergy
Forensic Gadgeteer
38%inclusion5 decks13 decks
36%synergy
Thought Monitor
38%inclusion5 decks13 decks
35%synergy
Blightsteel Colossus
36%inclusion51 decks142 decks
35%synergy
Myr Retriever
36%inclusion51 decks142 decks
34%synergy
Scrap Trawler
36%inclusion51 decks142 decks
34%synergy
Wandering Archaic
35%inclusion50 decks142 decks
34%synergy
Cityscape Leveler
32%inclusion45 decks142 decks
31%synergy
Kozilek, the Great Distortion
32%inclusion45 decks142 decks
31%synergy
Metalwork Colossus
31%inclusion44 decks142 decks
30%synergy
Kozilek, Butcher of Truth
31%inclusion44 decks142 decks
29%synergy
The Reality Chip
31%inclusion4 decks13 decks
27%synergy
Mycosynth Golem
30%inclusion43 decks142 decks
30%synergy
Abstruse Archaic
30%inclusion42 decks142 decks
29%synergy
Ultima, Origin of Oblivion
29%inclusion17 decks58 decks
29%synergy
Ulamog, the Ceaseless Hunger
29%inclusion41 decks142 decks
28%synergy
Glaring Fleshraker
28%inclusion33 decks116 decks
27%synergy
Skittering Cicada
24%inclusion34 decks142 decks
23%synergy
Ulamog, the Infinite Gyre
24%inclusion34 decks142 decks
23%synergy
Shimmer Myr
24%inclusion34 decks142 decks
23%synergy
Arcum Dagsson
23%inclusion3 decks13 decks
23%synergy
Drafna, Founder of Lat-Nam
23%inclusion3 decks13 decks
23%synergy
Silver Myr
23%inclusion3 decks13 decks
21%synergy
Lodestone Golem
23%inclusion32 decks142 decks
22%synergy
Ulamog, the Defiler
22%inclusion26 decks116 decks
21%synergy
Steel Hellkite
22%inclusion31 decks142 decks
20%synergy
Marvin, Murderous Mimic
21%inclusion21 decks99 decks
20%synergy
Myr Welder
18%inclusion26 decks142 decks
18%synergy
Cryptothrall
18%inclusion25 decks142 decks
17%synergy
Junk Diver
17%inclusion24 decks142 decks
16%synergy
Emrakul, the Promised End
17%inclusion24 decks142 decks
16%synergy
Platinum Angel
17%inclusion24 decks142 decks
16%synergy
Meteor Golem
17%inclusion24 decks142 decks
15%synergy
Wurmcoil Engine
16%inclusion23 decks142 decks
15%synergy
Scrawling Crawler
16%inclusion14 decks90 decks
13%synergy
Roaming Throne
15%inclusion22 decks142 decks
9%synergy
Karn, Silver Golem
15%inclusion21 decks142 decks
15%synergy
Solemn Simulacrum
15%inclusion21 decks142 decks
2%synergy
Steel Overseer
14%inclusion20 decks142 decks
12%synergy
Platinum Emperion
13%inclusion18 decks142 decks
12%synergy
Myr Battlesphere
13%inclusion18 decks142 decks
11%synergy
Instants
Whir of Invention
54%inclusion7 decks13 decks
51%synergy
Dramatic Reversal
46%inclusion6 decks13 decks
42%synergy
An Offer You Can't Refuse
46%inclusion6 decks13 decks
22%synergy
Deflecting Swat
43%inclusion3 decks7 decks
26%synergy
Counterspell
38%inclusion5 decks13 decks
-3%synergy
Null Elemental Blast
33%inclusion40 decks120 decks
32%synergy
Warping Wail
32%inclusion46 decks142 decks
32%synergy
Swan Song
31%inclusion4 decks13 decks
13%synergy
Kozilek's Command
23%inclusion27 decks116 decks
23%synergy
Mystical Tutor
23%inclusion3 decks13 decks
11%synergy
Eldritch Immunity
16%inclusion19 decks116 decks
16%synergy
Spatial Contortion
16%inclusion23 decks142 decks
16%synergy
Desecrate Reality
15%inclusion21 decks142 decks
14%synergy
Eldrazi Confluence
13%inclusion15 decks116 decks
12%synergy
Scour from Existence
12%inclusion17 decks142 decks
12%synergy
Titan's Presence
11%inclusion15 decks142 decks
10%synergy
Not of This World
9.2%inclusion13 decks142 decks
8%synergy
Sorceries
Fabricate
62%inclusion8 decks13 decks
56%synergy
Vandalblast
57%inclusion4 decks7 decks
41%synergy
Transmute Artifact
46%inclusion6 decks13 decks
45%synergy
Reshape
31%inclusion4 decks13 decks
30%synergy
Thoughtcast
31%inclusion4 decks13 decks
27%synergy
Rise of the Eldrazi
21%inclusion30 decks142 decks
20%synergy
Selective Obliteration
11%inclusion13 decks116 decks
11%synergy
Calamity of the Titans
8.5%inclusion12 decks142 decks
8%synergy
Introduction to Annihilation
7.0%inclusion10 decks142 decks
7%synergy
Utility Artifacts
Cloud Key
62%inclusion88 decks142 decks
60%synergy
Staff of Domination
58%inclusion83 decks142 decks
57%synergy
Planar Bridge
55%inclusion78 decks142 decks
55%synergy
Darksteel Forge
55%inclusion78 decks142 decks
54%synergy
Chimil, the Inner Sun
48%inclusion68 decks142 decks
46%synergy
Moonsilver Key
46%inclusion65 decks142 decks
45%synergy
Expedition Map
43%inclusion61 decks142 decks
40%synergy
Mycosynth Lattice
42%inclusion60 decks142 decks
41%synergy
Darksteel Monolith
36%inclusion51 decks142 decks
35%synergy
Mirage Mirror
35%inclusion49 decks142 decks
33%synergy
Semblance Anvil
33%inclusion47 decks142 decks
32%synergy
Lightning Greaves
33%inclusion47 decks142 decks
8%synergy
Doubling Cube
32%inclusion46 decks142 decks
32%synergy
Krark-Clan Ironworks
32%inclusion45 decks142 decks
31%synergy
Portal to Phyrexia
31%inclusion44 decks142 decks
29%synergy
The Endstone
29%inclusion14 decks49 decks
28%synergy
Mind's Eye
28%inclusion40 decks142 decks
27%synergy
Helm of the Host
28%inclusion40 decks142 decks
25%synergy
Strionic Resonator
27%inclusion39 decks142 decks
25%synergy
Aetherflux Reservoir
27%inclusion39 decks142 decks
24%synergy
Commander's Plate
25%inclusion35 decks142 decks
22%synergy
Encroaching Mycosynth
23%inclusion3 decks13 decks
22%synergy
Mirrorworks
22%inclusion31 decks142 decks
21%synergy
The Immortal Sun
20%inclusion29 decks142 decks
20%synergy
The Millennium Calendar
20%inclusion28 decks142 decks
19%synergy
Thran Temporal Gateway
19%inclusion27 decks142 decks
19%synergy
Mindslaver
18%inclusion26 decks142 decks
18%synergy
Torpor Orb
18%inclusion26 decks142 decks
18%synergy
Vedalken Orrery
18%inclusion26 decks142 decks
17%synergy
Palantír of Orthanc
18%inclusion25 decks142 decks
16%synergy
Gonti's Aether Heart
17%inclusion24 decks142 decks
16%synergy
God-Pharaoh's Statue
17%inclusion24 decks142 decks
16%synergy
Swiftfoot Boots
16%inclusion23 decks142 decks
-11%synergy
Horizon Stone
15%inclusion22 decks142 decks
15%synergy
Winter Orb
15%inclusion22 decks142 decks
15%synergy
Memory Jar
15%inclusion21 decks142 decks
15%synergy
Nevinyrral's Disk
15%inclusion21 decks142 decks
14%synergy
Akroma's Memorial
15%inclusion21 decks142 decks
14%synergy
Trinisphere
14%inclusion20 decks142 decks
14%synergy
Excalibur, Sword of Eden
13%inclusion15 decks112 decks
12%synergy
Magistrate's Scepter
13%inclusion19 decks142 decks
13%synergy
Illusionist's Bracers
13%inclusion19 decks142 decks
12%synergy
Ashnod's Altar
13%inclusion19 decks142 decks
7%synergy
Eye of Vecna
13%inclusion18 decks142 decks
12%synergy
Tamiyo's Journal
13%inclusion18 decks142 decks
12%synergy
Agatha's Soul Cauldron
13%inclusion18 decks142 decks
11%synergy
Helm of Awakening
12%inclusion17 decks142 decks
11%synergy
Thousand-Year Elixir
11%inclusion16 decks142 decks
10%synergy
Static Orb
11%inclusion15 decks142 decks
10%synergy
Scroll Rack
11%inclusion15 decks142 decks
9%synergy
Enchantments
Power Artifact
38%inclusion5 decks13 decks
38%synergy
Training Grounds
38%inclusion5 decks13 decks
36%synergy
Mystic Remora
38%inclusion5 decks13 decks
22%synergy
Echoes of Eternity
36%inclusion42 decks116 decks
35%synergy
Planeswalkers
Ugin, the Ineffable
63%inclusion89 decks142 decks
61%synergy
Ugin, Eye of the Storms
59%inclusion40 decks68 decks
58%synergy
Ugin, the Spirit Dragon
49%inclusion70 decks142 decks
48%synergy
Tezzeret, Cruel Captain
43%inclusion22 decks51 decks
41%synergy
Karn, Living Legacy
39%inclusion55 decks142 decks
38%synergy
Tezzeret the Seeker
31%inclusion4 decks13 decks
29%synergy
Karn, Scion of Urza
30%inclusion43 decks142 decks
30%synergy
Karn Liberated
22%inclusion31 decks142 decks
22%synergy
Utility Lands
Vault of Whispers
100%inclusion3 decks3 decks
96%synergy
Urza's Saga
81%inclusion115 decks142 decks
74%synergy
Buried Ruin
72%inclusion102 decks142 decks
67%synergy
Urza's Workshop
71%inclusion101 decks142 decks
70%synergy
Darksteel Citadel
70%inclusion100 decks142 decks
67%synergy
War Room
64%inclusion91 decks142 decks
58%synergy
Academy Ruins
62%inclusion8 decks13 decks
56%synergy
Thespian's Stage
55%inclusion78 decks142 decks
52%synergy
Shrine of the Forsaken Gods
49%inclusion69 decks142 decks
47%synergy
Reliquary Tower
46%inclusion65 decks142 decks
16%synergy
Fomori Vault
44%inclusion54 decks122 decks
43%synergy
Strip Mine
43%inclusion61 decks142 decks
40%synergy
Blast Zone
41%inclusion58 decks142 decks
40%synergy
Scavenger Grounds
39%inclusion55 decks142 decks
35%synergy
Minamo, School at Water's Edge
38%inclusion5 decks13 decks
34%synergy
Otawara, Soaring City
38%inclusion5 decks13 decks
22%synergy
Wasteland
38%inclusion54 decks142 decks
37%synergy
Treasure Vault
37%inclusion53 decks142 decks
35%synergy
Deserted Temple
37%inclusion52 decks142 decks
36%synergy
Urza's Factory
36%inclusion51 decks142 decks
36%synergy
Zhalfirin Void
35%inclusion50 decks142 decks
35%synergy
Crystal Vein
35%inclusion49 decks142 decks
34%synergy
Sanctum of Ugin
34%inclusion48 decks142 decks
33%synergy
Scorched Ruins
33%inclusion47 decks142 decks
33%synergy
Ugin's Labyrinth
31%inclusion38 decks121 decks
31%synergy
Homeward Path
31%inclusion44 decks142 decks
30%synergy
Mikokoro, Center of the Sea
31%inclusion44 decks142 decks
30%synergy
Rogue's Passage
31%inclusion44 decks142 decks
11%synergy
Vesuva
30%inclusion43 decks142 decks
29%synergy
Archway of Innovation
30%inclusion3 decks10 decks
27%synergy
Bonders' Enclave
27%inclusion39 decks142 decks
25%synergy
Geier Reach Sanitarium
27%inclusion39 decks142 decks
24%synergy
Command Beacon
27%inclusion38 decks142 decks
22%synergy
Tomb of the Spirit Dragon
26%inclusion37 decks142 decks
25%synergy
Eldrazi Temple
23%inclusion33 decks142 decks
22%synergy
Mystic Sanctuary
23%inclusion3 decks13 decks
12%synergy
Temple of the False God
23%inclusion32 decks142 decks
13%synergy
Arch of Orazca
22%inclusion31 decks142 decks
21%synergy
Field of the Dead
20%inclusion29 decks142 decks
17%synergy
Karn's Bastion
20%inclusion29 decks142 decks
16%synergy
City of Traitors
20%inclusion28 decks142 decks
19%synergy
Emergence Zone
20%inclusion28 decks142 decks
17%synergy
Arcane Lighthouse
17%inclusion24 decks142 decks
16%synergy
Guildless Commons
16%inclusion23 decks142 decks
15%synergy
Eye of Ugin
15%inclusion22 decks142 decks
15%synergy
Fountainport
15%inclusion16 decks109 decks
13%synergy
Ghost Quarter
13%inclusion19 decks142 decks
11%synergy
Mage-Ring Network
11%inclusion16 decks142 decks
11%synergy
Muraganda Raceway
11%inclusion9 decks81 decks
10%synergy
Blasted Landscape
10%inclusion14 decks142 decks
10%synergy
Mana Artifacts
Sol Ring
98%inclusion139 decks142 decks
14%synergy
Thran Dynamo
84%inclusion119 decks142 decks
79%synergy
Everflowing Chalice
70%inclusion99 decks142 decks
65%synergy
Mox Opal
63%inclusion89 decks142 decks
58%synergy
Mind Stone
57%inclusion81 decks142 decks
42%synergy
Thought Vessel
54%inclusion77 decks142 decks
37%synergy
Hedron Archive
39%inclusion56 decks142 decks
37%synergy
Liquimetal Torque
37%inclusion52 decks142 decks
34%synergy
Lotus Petal
29%inclusion41 decks142 decks
22%synergy
Sonic Screwdriver
28%inclusion40 decks142 decks
27%synergy
The Mightstone and Weakstone
27%inclusion38 decks142 decks
26%synergy
Worn Powerstone
27%inclusion38 decks142 decks
24%synergy
Mana Crypt
23%inclusion33 decks142 decks
21%synergy
Dreamstone Hedron
23%inclusion32 decks142 decks
22%synergy
Gilded Lotus
23%inclusion32 decks142 decks
19%synergy
Chromatic Orrery
19%inclusion27 decks142 decks
18%synergy
Blinkmoth Urn
18%inclusion25 decks142 decks
17%synergy
The Eternity Elevator
16%inclusion8 decks49 decks
15%synergy
Fellwar Stone
14%inclusion20 decks142 decks
-6%synergy
The Aetherspark
14%inclusion11 decks81 decks
13%synergy
Jeweled Lotus
13%inclusion19 decks142 decks
12%synergy
Staff of Compleation
12%inclusion17 decks142 decks
11%synergy
Arcane Signet
12%inclusion17 decks142 decks
-60%synergy
Stonespeaker Crystal
10%inclusion14 decks142 decks
9%synergy
Coveted Jewel
7.7%inclusion11 decks142 decks
7%synergy
Sol Talisman
7.0%inclusion10 decks142 decks
6%synergy
Prismatic Lens
7.0%inclusion10 decks142 decks
6%synergy
Lion's Eye Diamond
7.0%inclusion10 decks142 decks
5%synergy
Patriar's Seal
6.3%inclusion9 decks142 decks
5%synergy
Fractured Powerstone
5.6%inclusion8 decks142 decks
5%synergy
Empowered Autogenerator
5.6%inclusion8 decks142 decks
5%synergy
Unstable Obelisk
5.6%inclusion8 decks142 decks
5%synergy
Mox Tantalite
5.6%inclusion8 decks142 decks
5%synergy
The Irencrag
5.6%inclusion8 decks142 decks
5%synergy
Skyclave Relic
5.6%inclusion8 decks142 decks
5%synergy
Chrome Mox
5.6%inclusion8 decks142 decks
0%synergy
Lands
Steam Vents
100%inclusion4 decks4 decks
62%synergy
Volcanic Island
75%inclusion3 decks4 decks
61%synergy
Shivan Reef
75%inclusion3 decks4 decks
46%synergy
Urza's Cave
58%inclusion70 decks120 decks
55%synergy
The Mycosynth Gardens
56%inclusion80 decks142 decks
55%synergy
Planar Nexus
38%inclusion46 decks120 decks
38%synergy
Gemstone Caverns
25%inclusion35 decks142 decks
20%synergy
Cavern of Souls
24%inclusion34 decks142 decks
17%synergy
Talon Gates of Madara
22%inclusion26 decks116 decks
20%synergy
Hall of Tagsin
17%inclusion24 decks142 decks
17%synergy
Crystal Grotto
15%inclusion21 decks142 decks
14%synergy
Abstergo Entertainment
12%inclusion13 decks112 decks
11%synergy
Power Depot
10%inclusion14 decks142 decks
9%synergy
Demolition Field
10%inclusion14 decks142 decks
7%synergy
Plaza of Heroes
7.7%inclusion11 decks142 decks
5%synergy
The Grey Havens
7.0%inclusion10 decks142 decks
6%synergy
Gallifrey Council Chamber
6.3%inclusion9 decks142 decks
6%synergy
Command Tower
6.3%inclusion9 decks142 decks
-68%synergy
Mirrex
5.6%inclusion8 decks142 decks
5%synergy
Scene of the Crime
5.2%inclusion7 decks135 decks
5%synergy
Horizon of Progress
5.2%inclusion6 decks116 decks
4%synergy