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 decks5.69K decks
The Peregrine Dynamo
3.0%inclusion30 decks992 decks
Liberator, Urza's Battlethopter
0.4%inclusion11 decks2.65K decks
Karn, Silver Golem
0.7%inclusion8 decks1.07K decks
Marvin, Murderous Mimic
0.3%inclusion5 decks1.70K decks
Kozilek, Butcher of Truth
0.5%inclusion4 decks888 decks
Urza, Lord High Artificer
0.0%inclusion4 decks18.1K decks
Dawnsire, Sunstar Dreadnought
0.2%inclusion3 decks1.80K 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 decks5.30K decks
Memnarch
0.1%inclusion2 decks2.01K decks
Ulamog, the Defiler
0.1%inclusion2 decks1.46K decks
Chiss-Goria, Forge Tyrant
0.0%inclusion1 decks4.14K decks
Bosh, Iron Golem
0.1%inclusion1 decks751 decks
Idris, Soul of the TARDIS
0.8%inclusion1 decks132 decks
The Walls of Ba Sing Se
0.1%inclusion1 decks897 decks
Rona, Disciple of Gix
0.7%inclusion1 decks138 decks
New Cards
Krang, Utrom Warlord
12%inclusion2 decks17 decks
11%synergy
Technodrome
5.9%inclusion1 decks17 decks
6%synergy
High Synergy Cards
Forsaken Monument
90%inclusion130 decks144 decks
89%synergy
Mystic Forge
89%inclusion128 decks144 decks
86%synergy
Unwinding Clock
86%inclusion124 decks144 decks
84%synergy
Inventors' Fair
85%inclusion122 decks144 decks
81%synergy
Voltaic Key
81%inclusion117 decks144 decks
80%synergy
Seat of the Synod
87%inclusion13 decks15 decks
80%synergy
Urza's Power Plant
81%inclusion117 decks144 decks
80%synergy
Urza's Mine
81%inclusion117 decks144 decks
80%synergy
Urza's Tower
81%inclusion117 decks144 decks
80%synergy
Great Furnace
83%inclusion5 decks6 decks
77%synergy
Top Cards
Manifold Key
74%inclusion107 decks144 decks
73%synergy
Sensei's Divining Top
74%inclusion107 decks144 decks
70%synergy
Metalworker
74%inclusion106 decks144 decks
73%synergy
Rings of Brighthearth
74%inclusion106 decks144 decks
72%synergy
Etherium Sculptor
73%inclusion11 decks15 decks
68%synergy
Mana Drain
73%inclusion11 decks15 decks
59%synergy
Foundry Inspector
73%inclusion105 decks144 decks
69%synergy
Sculpting Steel
72%inclusion104 decks144 decks
70%synergy
All Is Dust
72%inclusion103 decks144 decks
70%synergy
Fabricate
67%inclusion10 decks15 decks
61%synergy
Game Changers
Mana Vault
83%inclusion120 decks144 decks
78%synergy
Ancient Tomb
80%inclusion115 decks144 decks
70%synergy
The One Ring
67%inclusion96 decks144 decks
58%synergy
Gamble
67%inclusion4 decks6 decks
58%synergy
Mishra's Workshop
57%inclusion82 decks144 decks
57%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
16%synergy
Mox Diamond
26%inclusion38 decks144 decks
22%synergy
Creatures
Liberator, Urza's Battlethopter
51%inclusion74 decks144 decks
50%synergy
Walking Ballista
51%inclusion74 decks144 decks
49%synergy
Jhoira's Familiar
49%inclusion71 decks144 decks
48%synergy
Forensic Gadgeteer
47%inclusion7 decks15 decks
44%synergy
Urza, Lord High Artificer
47%inclusion7 decks15 decks
43%synergy
Phyrexian Metamorph
47%inclusion7 decks15 decks
39%synergy
Kuldotha Forgemaster
42%inclusion60 decks144 decks
41%synergy
Palladium Myr
41%inclusion59 decks144 decks
39%synergy
Thought Monitor
40%inclusion6 decks15 decks
36%synergy
Voltaic Construct
40%inclusion57 decks144 decks
39%synergy
Scrap Trawler
38%inclusion55 decks144 decks
36%synergy
Blightsteel Colossus
35%inclusion50 decks144 decks
33%synergy
Myr Retriever
35%inclusion50 decks144 decks
33%synergy
Wandering Archaic
34%inclusion49 decks144 decks
33%synergy
Mycosynth Golem
33%inclusion48 decks144 decks
33%synergy
Master Transmuter
33%inclusion5 decks15 decks
32%synergy
The Reality Chip
33%inclusion5 decks15 decks
30%synergy
Emry, Lurker of the Loch
33%inclusion5 decks15 decks
29%synergy
Kozilek, the Great Distortion
33%inclusion47 decks144 decks
32%synergy
Ultima, Origin of Oblivion
32%inclusion25 decks78 decks
32%synergy
Metalwork Colossus
31%inclusion45 decks144 decks
30%synergy
Cityscape Leveler
29%inclusion42 decks144 decks
28%synergy
Glaring Fleshraker
29%inclusion39 decks134 decks
28%synergy
Kozilek, Butcher of Truth
28%inclusion41 decks144 decks
27%synergy
Abstruse Archaic
28%inclusion40 decks144 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%inclusion38 decks144 decks
25%synergy
Shimmer Myr
24%inclusion35 decks144 decks
23%synergy
Skittering Cicada
24%inclusion34 decks144 decks
23%synergy
Lodestone Golem
23%inclusion33 decks144 decks
23%synergy
Ulamog, the Defiler
22%inclusion29 decks134 decks
21%synergy
Ulamog, the Infinite Gyre
22%inclusion31 decks144 decks
20%synergy
Marvin, Murderous Mimic
21%inclusion25 decks118 decks
20%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 decks144 decks
18%synergy
Cryptothrall
18%inclusion26 decks144 decks
17%synergy
Steel Hellkite
18%inclusion26 decks144 decks
17%synergy
Myr Welder
17%inclusion25 decks144 decks
17%synergy
Roaming Throne
17%inclusion24 decks144 decks
10%synergy
Junk Diver
16%inclusion23 decks144 decks
15%synergy
Solemn Simulacrum
16%inclusion23 decks144 decks
3%synergy
Emrakul, the Promised End
15%inclusion22 decks144 decks
14%synergy
Meteor Golem
15%inclusion21 decks144 decks
13%synergy
Wurmcoil Engine
14%inclusion20 decks144 decks
12%synergy
Steel Overseer
14%inclusion20 decks144 decks
12%synergy
Scrawling Crawler
14%inclusion15 decks109 decks
11%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
33%inclusion47 decks144 decks
32%synergy
Mystical Tutor
27%inclusion4 decks15 decks
15%synergy
Swan Song
27%inclusion4 decks15 decks
9%synergy
Kozilek's Command
25%inclusion33 decks134 decks
24%synergy
Sink into Stupor
23%inclusion3 decks13 decks
13%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%inclusion18 decks134 decks
13%synergy
Spatial Contortion
13%inclusion19 decks144 decks
13%synergy
Desecrate Reality
13%inclusion18 decks144 decks
12%synergy
Titan's Presence
11%inclusion16 decks144 decks
11%synergy
Not of This World
11%inclusion16 decks144 decks
10%synergy
Scour from Existence
9.0%inclusion13 decks144 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%inclusion33 decks144 decks
22%synergy
Selective Obliteration
11%inclusion15 decks134 decks
11%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
65%inclusion93 decks144 decks
63%synergy
Staff of Domination
60%inclusion86 decks144 decks
58%synergy
Planar Bridge
53%inclusion76 decks144 decks
52%synergy
Darksteel Forge
52%inclusion75 decks144 decks
51%synergy
Chimil, the Inner Sun
48%inclusion69 decks144 decks
46%synergy
Moonsilver Key
46%inclusion66 decks144 decks
45%synergy
Expedition Map
44%inclusion63 decks144 decks
41%synergy
Mycosynth Lattice
43%inclusion62 decks144 decks
42%synergy
Darksteel Monolith
36%inclusion52 decks144 decks
35%synergy
Semblance Anvil
35%inclusion51 decks144 decks
35%synergy
Mirage Mirror
35%inclusion50 decks144 decks
33%synergy
Krark-Clan Ironworks
33%inclusion47 decks144 decks
32%synergy
Lightning Greaves
33%inclusion47 decks144 decks
8%synergy
Doubling Cube
31%inclusion45 decks144 decks
31%synergy
Portal to Phyrexia
29%inclusion42 decks144 decks
28%synergy
Strionic Resonator
29%inclusion42 decks144 decks
27%synergy
Simulacrum Synthesizer
29%inclusion4 decks14 decks
27%synergy
Mind's Eye
28%inclusion40 decks144 decks
27%synergy
Aetherflux Reservoir
27%inclusion39 decks144 decks
24%synergy
Encroaching Mycosynth
27%inclusion4 decks15 decks
26%synergy
Helm of the Host
26%inclusion38 decks144 decks
23%synergy
Commander's Plate
24%inclusion34 decks144 decks
21%synergy
The Endstone
21%inclusion15 decks70 decks
21%synergy
The Millennium Calendar
19%inclusion28 decks144 decks
19%synergy
The Immortal Sun
19%inclusion28 decks144 decks
19%synergy
Thran Temporal Gateway
19%inclusion27 decks144 decks
19%synergy
Torpor Orb
19%inclusion27 decks144 decks
18%synergy
Mirrorworks
19%inclusion27 decks144 decks
18%synergy
Palantír of Orthanc
18%inclusion26 decks144 decks
17%synergy
Vedalken Orrery
17%inclusion25 decks144 decks
16%synergy
God-Pharaoh's Statue
17%inclusion24 decks144 decks
16%synergy
Swiftfoot Boots
16%inclusion23 decks144 decks
-11%synergy
Memory Jar
15%inclusion22 decks144 decks
15%synergy
Horizon Stone
15%inclusion22 decks144 decks
15%synergy
Mindslaver
15%inclusion21 decks144 decks
14%synergy
Winter Orb
15%inclusion21 decks144 decks
14%synergy
Illusionist's Bracers
15%inclusion21 decks144 decks
14%synergy
Akroma's Memorial
15%inclusion21 decks144 decks
13%synergy
Nevinyrral's Disk
14%inclusion20 decks144 decks
13%synergy
Eye of Vecna
13%inclusion19 decks144 decks
13%synergy
Magistrate's Scepter
13%inclusion19 decks144 decks
13%synergy
Gonti's Aether Heart
13%inclusion19 decks144 decks
13%synergy
Ashnod's Altar
13%inclusion19 decks144 decks
7%synergy
Excalibur, Sword of Eden
13%inclusion17 decks130 decks
11%synergy
Trinisphere
13%inclusion18 decks144 decks
12%synergy
Spine of Ish Sah
13%inclusion18 decks144 decks
12%synergy
Scroll Rack
13%inclusion18 decks144 decks
11%synergy
Helm of Awakening
12%inclusion17 decks144 decks
11%synergy
Thousand-Year Elixir
12%inclusion17 decks144 decks
10%synergy
Agatha's Soul Cauldron
11%inclusion16 decks144 decks
10%synergy
Enchantments
Training Grounds
47%inclusion7 decks15 decks
44%synergy
Echoes of Eternity
38%inclusion51 decks134 decks
37%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
65%inclusion93 decks144 decks
64%synergy
Ugin, the Ineffable
64%inclusion92 decks144 decks
62%synergy
Ugin, Eye of the Storms
58%inclusion51 decks88 decks
57%synergy
Ugin, the Spirit Dragon
48%inclusion69 decks144 decks
47%synergy
Tezzeret, Cruel Captain
42%inclusion30 decks72 decks
40%synergy
Karn, Living Legacy
38%inclusion54 decks144 decks
37%synergy
Tezzeret the Seeker
33%inclusion5 decks15 decks
31%synergy
Karn, Scion of Urza
26%inclusion38 decks144 decks
26%synergy
Karn Liberated
19%inclusion28 decks144 decks
19%synergy
Utility Lands
Vault of Whispers
100%inclusion3 decks3 decks
96%synergy
Urza's Saga
82%inclusion118 decks144 decks
75%synergy
Urza's Workshop
72%inclusion103 decks144 decks
71%synergy
Darksteel Citadel
70%inclusion101 decks144 decks
66%synergy
Buried Ruin
70%inclusion101 decks144 decks
65%synergy
Academy Ruins
67%inclusion10 decks15 decks
61%synergy
War Room
63%inclusion91 decks144 decks
57%synergy
Thespian's Stage
54%inclusion78 decks144 decks
52%synergy
Minamo, School at Water's Edge
53%inclusion8 decks15 decks
49%synergy
Shrine of the Forsaken Gods
47%inclusion68 decks144 decks
46%synergy
Reliquary Tower
47%inclusion67 decks144 decks
17%synergy
Archway of Innovation
46%inclusion6 decks13 decks
43%synergy
Fomori Vault
46%inclusion64 decks140 decks
45%synergy
Uthros, Titanic Godcore
44%inclusion4 decks9 decks
41%synergy
Strip Mine
42%inclusion60 decks144 decks
39%synergy
Deserted Temple
40%inclusion57 decks144 decks
39%synergy
Wasteland
38%inclusion55 decks144 decks
37%synergy
Treasure Vault
38%inclusion55 decks144 decks
36%synergy
Scavenger Grounds
38%inclusion55 decks144 decks
35%synergy
Scorched Ruins
38%inclusion54 decks144 decks
37%synergy
Urza's Factory
37%inclusion53 decks144 decks
36%synergy
Blast Zone
36%inclusion52 decks144 decks
35%synergy
Crystal Vein
35%inclusion51 decks144 decks
34%synergy
Sanctum of Ugin
34%inclusion49 decks144 decks
33%synergy
Mystic Sanctuary
33%inclusion5 decks15 decks
23%synergy
Otawara, Soaring City
33%inclusion5 decks15 decks
17%synergy
Ugin's Labyrinth
32%inclusion45 decks139 decks
32%synergy
Zhalfirin Void
32%inclusion46 decks144 decks
31%synergy
Rogue's Passage
32%inclusion46 decks144 decks
12%synergy
Vesuva
29%inclusion42 decks144 decks
28%synergy
Homeward Path
28%inclusion41 decks144 decks
27%synergy
Tomb of the Spirit Dragon
28%inclusion40 decks144 decks
27%synergy
Bonders' Enclave
28%inclusion40 decks144 decks
25%synergy
Mikokoro, Center of the Sea
27%inclusion39 decks144 decks
26%synergy
Command Beacon
26%inclusion38 decks144 decks
21%synergy
Geier Reach Sanitarium
25%inclusion36 decks144 decks
22%synergy
Eldrazi Temple
24%inclusion34 decks144 decks
23%synergy
Temple of the False God
23%inclusion33 decks144 decks
14%synergy
Arch of Orazca
21%inclusion30 decks144 decks
20%synergy
City of Traitors
20%inclusion29 decks144 decks
19%synergy
Emergence Zone
19%inclusion28 decks144 decks
17%synergy
Field of the Dead
19%inclusion27 decks144 decks
16%synergy
Karn's Bastion
18%inclusion26 decks144 decks
13%synergy
Arcane Lighthouse
17%inclusion25 decks144 decks
16%synergy
Eye of Ugin
16%inclusion23 decks144 decks
15%synergy
Muraganda Raceway
14%inclusion14 decks100 decks
13%synergy
Guildless Commons
14%inclusion20 decks144 decks
13%synergy
Fountainport
13%inclusion16 decks127 decks
11%synergy
Ghost Quarter
13%inclusion18 decks144 decks
11%synergy
Sea Gate Wreckage
10%inclusion14 decks144 decks
9%synergy
Mana Artifacts
Dimir Signet
100%inclusion3 decks3 decks
76%synergy
Sol Ring
99%inclusion143 decks144 decks
16%synergy
Thran Dynamo
87%inclusion125 decks144 decks
82%synergy
Everflowing Chalice
66%inclusion95 decks144 decks
62%synergy
Mox Opal
63%inclusion90 decks144 decks
58%synergy
Mind Stone
57%inclusion82 decks144 decks
43%synergy
Thought Vessel
55%inclusion79 decks144 decks
37%synergy
Hedron Archive
38%inclusion55 decks144 decks
36%synergy
Liquimetal Torque
35%inclusion51 decks144 decks
33%synergy
Lotus Petal
28%inclusion40 decks144 decks
21%synergy
Sonic Screwdriver
26%inclusion38 decks144 decks
25%synergy
Worn Powerstone
24%inclusion34 decks144 decks
21%synergy
The Mightstone and Weakstone
23%inclusion33 decks144 decks
22%synergy
Dreamstone Hedron
23%inclusion33 decks144 decks
22%synergy
Gilded Lotus
22%inclusion32 decks144 decks
19%synergy
The Eternity Elevator
21%inclusion15 decks70 decks
20%synergy
Chromatic Orrery
19%inclusion27 decks144 decks
17%synergy
Blinkmoth Urn
18%inclusion26 decks144 decks
18%synergy
Mana Crypt
15%inclusion22 decks144 decks
14%synergy
Fellwar Stone
13%inclusion18 decks144 decks
-8%synergy
Arcane Signet
13%inclusion18 decks144 decks
-60%synergy
The Aetherspark
10%inclusion10 decks100 decks
9%synergy
Staff of Compleation
10%inclusion14 decks144 decks
9%synergy
Stonespeaker Crystal
9.0%inclusion13 decks144 decks
8%synergy
Jeweled Lotus
9.0%inclusion13 decks144 decks
8%synergy
Lion's Eye Diamond
7.6%inclusion11 decks144 decks
6%synergy
Sol Talisman
6.9%inclusion10 decks144 decks
6%synergy
Prismatic Lens
6.3%inclusion9 decks144 decks
5%synergy
Unstable Obelisk
5.6%inclusion8 decks144 decks
5%synergy
Empowered Autogenerator
5.6%inclusion8 decks144 decks
5%synergy
The Irencrag
5.6%inclusion8 decks144 decks
5%synergy
Mox Amber
5.6%inclusion8 decks144 decks
1%synergy
Chrome Mox
5.6%inclusion8 decks144 decks
0%synergy
Bender's Waterskin
5.1%inclusion3 decks59 decks
2%synergy
Lands
Mistvault Bridge
100%inclusion3 decks3 decks
96%synergy
Steam Vents
100%inclusion3 decks3 decks
62%synergy
Urza's Cave
59%inclusion81 decks138 decks
56%synergy
The Mycosynth Gardens
53%inclusion77 decks144 decks
52%synergy
Planar Nexus
38%inclusion52 decks138 decks
37%synergy
Cavern of Souls
25%inclusion36 decks144 decks
18%synergy
Talon Gates of Madara
23%inclusion31 decks134 decks
21%synergy
Gemstone Caverns
23%inclusion33 decks144 decks
18%synergy
Hall of Tagsin
14%inclusion20 decks144 decks
14%synergy
Crystal Grotto
13%inclusion18 decks144 decks
12%synergy
Abstergo Entertainment
11%inclusion14 decks130 decks
10%synergy
Power Depot
8.3%inclusion12 decks144 decks
8%synergy
Demolition Field
7.6%inclusion11 decks144 decks
5%synergy
The Grey Havens
6.3%inclusion9 decks144 decks
5%synergy
Plaza of Heroes
6.3%inclusion9 decks144 decks
4%synergy
Command Tower
5.6%inclusion8 decks144 decks
-69%synergy