Karn, Legacy Reforged + Lithoform Engine + Clock of Omens + Basalt Monolith + Grim Monolith
Karn, Legacy Reforged
Lithoform Engine
Clock of Omens
Basalt Monolith
Grim Monolith
Requires
Karn, Legacy Reforged must be on the battlefield.
Lithoform Engine must be on the battlefield.
Clock of Omens must be on the battlefield.
Basalt Monolith must be on the battlefield.
Grim Monolith must be on the battlefield.
You control at least five additional artifacts.
Mana needed: 
Steps
- At the beginning of your upkeep, Karn triggers.
- Holding priority, activate Lithoform Engine's first ability by paying and tapping it, copying Karn's ability.
- Resolve the copy of Karn's ability, adding for each artifact you control that cannot be spent to cast nonartifact spells.
- Activate Clock of Omens by tapping Basalt Monolith and Grim Monolith, untapping Lithoform Engine.
- Activate Basalt Monolith's second ability by paying
, untapping it. - Activate Grim Monolith's second ability by paying
, untapping it. - Repeat from step 2.
Results
Infinite colorless mana that cannot be spent to cast nonartifact spells. Infinite mana artifacts you control can produce. Infinite untap of artifacts you control.
Marvin, Murderous Mimic
0.14% of 716 decks
1 decks
Top Commanders
Karn, Legacy Reforged
1.08% of 4063 decks
44 decks
The Peregrine Dynamo
2.41% of 664 decks
16 decks
Liberator, Urza's Battlethopter
0.49% of 3039 decks
15 decks
Karn, Silver Golem
0.85% of 1055 decks
9 decks
Kozilek, the Great Distortion
0.11% of 6127 decks
7 decks
Traxos, Scourge of Kroog
0.11% of 1844 decks
2 decks
Kozilek, Butcher of Truth
0.22% of 890 decks
2 decks
Syr Ginger, the Meal Ender
0.10% of 1989 decks
2 decks
Zhulodok, Void Gorger
0.01% of 15443 decks
2 decks
Ulamog, the Defiler
0.35% of 568 decks
2 decks
Kinnan, Bonder Prodigy
0.01% of 12348 decks
1 decks
Iron Man, Titan of Innovation
0.04% of 2666 decks
1 decks
Mishra, Eminent One
0.01% of 7338 decks
1 decks
Urza, Lord High Artificer
0.01% of 12944 decks
1 decks
Urza, Chief Artificer
0.01% of 13791 decks
1 decks
Chiss-Goria, Forge Tyrant
0.02% of 4222 decks
1 decks
Lara Croft, Tomb Raider
0.04% of 2524 decks
1 decks
New Cards
Marvin, Murderous Mimic
80% of 5 decks
+76% synergy
High Synergy Cards
Mystic Forge
93% of 114 decks
+90% synergy
Forsaken Monument
91% of 114 decks
+89% synergy
Inventors' Fair
89% of 114 decks
+85% synergy
Unwinding Clock
86% of 114 decks
+83% synergy
Great Furnace
86% of 7 decks
+80% synergy
Buried Ruin
82% of 114 decks
+77% synergy
All Is Dust
79% of 114 decks
+77% synergy
Urza's Saga
84% of 114 decks
+77% synergy
Metalworker
77% of 114 decks
+77% synergy
Urza, Lord High Artificer
78% of 9 decks
+75% synergy
Top Cards
Mana Vault
88% of 114 decks
+81% synergy
Deflecting Swat
86% of 7 decks
+69% synergy
Thran Dynamo
78% of 114 decks
+73% synergy
Etherium Sculptor
78% of 9 decks
+72% synergy
Voltaic Key
75% of 114 decks
+75% synergy
Manifold Key
75% of 114 decks
+74% synergy
Foundry Inspector
72% of 114 decks
+68% synergy
Sculpting Steel
71% of 114 decks
+69% synergy
The One Ring
71% of 103 decks
+62% synergy
Everflowing Chalice
69% of 114 decks
+65% synergy
Creatures
Kuldotha Forgemaster
55% of 114 decks
+54% synergy
Walking Ballista
55% of 114 decks
+53% synergy
Liberator, Urza's Battlethopter
53% of 114 decks
+51% synergy
Jhoira's Familiar
52% of 114 decks
+50% synergy
Glaring Fleshraker
50% of 22 decks
+48% synergy
Scrap Trawler
48% of 114 decks
+46% synergy
Myr Retriever
47% of 114 decks
+45% synergy
Silver Myr
44% of 9 decks
+42% synergy
Thought Monitor
44% of 9 decks
+41% synergy
The Reality Chip
44% of 9 decks
+40% synergy
Emry, Lurker of the Loch
44% of 9 decks
+40% synergy
Phyrexian Metamorph
44% of 9 decks
+37% synergy
Wandering Archaic
43% of 114 decks
+41% synergy
Cityscape Leveler
40% of 114 decks
+40% synergy
Voltaic Construct
36% of 114 decks
+36% synergy
Blightsteel Colossus
36% of 114 decks
+34% synergy
Palladium Myr
36% of 114 decks
+34% synergy
Skittering Cicada
34% of 79 decks
+33% synergy
Master Transmuter
33% of 9 decks
+32% synergy
Cyberdrive Awakener
33% of 9 decks
+31% synergy
Padeem, Consul of Innovation
33% of 9 decks
+30% synergy
Spellskite
33% of 9 decks
+30% synergy
Abstruse Archaic
33% of 79 decks
+32% synergy
Kozilek, Butcher of Truth
32% of 114 decks
+31% synergy
Kozilek, the Broken Reality
32% of 31 decks
+31% synergy
Ulamog, the Defiler
32% of 31 decks
+30% synergy
Mycosynth Golem
31% of 114 decks
+30% synergy
Kozilek, the Great Distortion
31% of 114 decks
+30% synergy
Shimmer Myr
31% of 114 decks
+29% synergy
Ulamog, the Ceaseless Hunger
30% of 114 decks
+28% synergy
Lodestone Golem
28% of 114 decks
+28% synergy
Junk Diver
26% of 114 decks
+26% synergy
Ulamog, the Infinite Gyre
25% of 114 decks
+24% synergy
Metalwork Colossus
25% of 114 decks
+24% synergy
Wurmcoil Engine
24% of 114 decks
+22% synergy
Meteor Golem
22% of 114 decks
+20% synergy
Endbringer
21% of 114 decks
+20% synergy
Cryptothrall
18% of 114 decks
+18% synergy
Emrakul, the World Anew
18% of 38 decks
+17% synergy
Myr Battlesphere
18% of 114 decks
+16% synergy
Zhulodok, Void Gorger
18% of 85 decks
+17% synergy
Karn, Silver Golem
18% of 114 decks
+17% synergy
Steel Hellkite
18% of 114 decks
+16% synergy
Roaming Throne
17% of 58 decks
+7% synergy
Solemn Simulacrum
17% of 114 decks
+3% synergy
Thran Spider
15% of 114 decks
+15% synergy
Emrakul, the Promised End
14% of 114 decks
+13% synergy
Stonecoil Serpent
14% of 114 decks
+13% synergy
Platinum Angel
13% of 114 decks
+12% synergy
Cybermen Squadron
13% of 62 decks
+12% synergy
Instants
Mana Drain
56% of 9 decks
+40% synergy
Fierce Guardianship
56% of 9 decks
+37% synergy
Kozilek's Command
50% of 22 decks
+49% synergy
Null Elemental Blast
48% of 33 decks
+47% synergy
Whir of Invention
44% of 9 decks
+41% synergy
Negate
44% of 9 decks
+22% synergy
Cyclonic Rift
44% of 9 decks
+17% synergy
Warping Wail
30% of 114 decks
+29% synergy
Eldrazi Confluence
27% of 22 decks
+26% synergy
Eldritch Immunity
27% of 22 decks
+26% synergy
Desecrate Reality
24% of 79 decks
+23% synergy
Spatial Contortion
21% of 114 decks
+21% synergy
Scour from Existence
13% of 114 decks
+13% synergy
Titan's Presence
11% of 114 decks
+10% synergy
Not of This World
11% of 114 decks
+10% synergy
Sorceries
Gamble
43% of 7 decks
+33% synergy
Jeska's Will
43% of 7 decks
+25% synergy
Fabricate
33% of 9 decks
+27% synergy
Rise of the Eldrazi
24% of 79 decks
+23% synergy
Calamity of the Titans
18% of 79 decks
+17% synergy
Introduction to Annihilation
9% of 114 decks
+8% synergy
Utility Artifacts
Rings of Brighthearth
68% of 114 decks
+66% synergy
Sensei's Divining Top
67% of 114 decks
+61% synergy
Darksteel Forge
61% of 114 decks
+60% synergy
Staff of Domination
61% of 114 decks
+60% synergy
Moonsilver Key
58% of 114 decks
+56% synergy
Chimil, the Inner Sun
58% of 57 decks
+56% synergy
Cloud Key
55% of 114 decks
+53% synergy
Planar Bridge
46% of 114 decks
+46% synergy
Expedition Map
46% of 114 decks
+42% synergy
Hedron Archive
44% of 114 decks
+41% synergy
Krark-Clan Ironworks
43% of 114 decks
+42% synergy
Mycosynth Lattice
41% of 114 decks
+40% synergy
Lightning Greaves
41% of 114 decks
+16% synergy
Darksteel Monolith
41% of 79 decks
+39% synergy
Mirage Mirror
40% of 114 decks
+39% synergy
Semblance Anvil
36% of 114 decks
+35% synergy
Portal to Phyrexia
35% of 114 decks
+33% synergy
Mind's Eye
34% of 114 decks
+33% synergy
Excalibur, Sword of Eden
33% of 12 decks
+30% synergy
Commander's Plate
32% of 114 decks
+30% synergy
Mirrorworks
31% of 114 decks
+30% synergy
Doubling Cube
28% of 114 decks
+28% synergy
Strionic Resonator
26% of 114 decks
+23% synergy
The Immortal Sun
25% of 114 decks
+25% synergy
Aetherflux Reservoir
25% of 114 decks
+22% synergy
Agatha's Soul Cauldron
25% of 67 decks
+24% synergy
Vexing Bauble
24% of 25 decks
+22% synergy
God-Pharaoh's Statue
24% of 114 decks
+23% synergy
The Millennium Calendar
23% of 61 decks
+22% synergy
Memory Jar
22% of 114 decks
+22% synergy
Torpor Orb
20% of 114 decks
+20% synergy
Spine of Ish Sah
19% of 114 decks
+18% synergy
Vedalken Orrery
19% of 114 decks
+18% synergy
Trinisphere
18% of 114 decks
+18% synergy
Nevinyrral's Disk
18% of 114 decks
+16% synergy
Mindslaver
17% of 114 decks
+16% synergy
Horizon Stone
17% of 114 decks
+16% synergy
Helm of the Host
17% of 114 decks
+13% synergy
Palantír of Orthanc
16% of 85 decks
+15% synergy
Swiftfoot Boots
16% of 114 decks
-12% synergy
Eye of Vecna
15% of 114 decks
+15% synergy
Winter Orb
15% of 114 decks
+14% synergy
Codex Shredder
14% of 114 decks
+13% synergy
Trading Post
14% of 114 decks
+13% synergy
Scroll Rack
14% of 114 decks
+12% synergy
Shadowspear
14% of 114 decks
+10% synergy
Thran Temporal Gateway
13% of 114 decks
+13% synergy
Static Orb
13% of 114 decks
+13% synergy
Nexus of Becoming
13% of 38 decks
+13% synergy
Gonti's Aether Heart
13% of 114 decks
+13% synergy
Enchantments
Echoes of Eternity
61% of 31 decks
+60% synergy
Rhystic Study
56% of 9 decks
+28% synergy
Planeswalkers
Karn, the Great Creator
63% of 114 decks
+62% synergy
Ugin, the Ineffable
59% of 114 decks
+57% synergy
Ugin, the Spirit Dragon
46% of 114 decks
+45% synergy
Tezzeret the Seeker
44% of 9 decks
+42% synergy
Karn, Living Legacy
35% of 114 decks
+35% synergy
Karn, Scion of Urza
28% of 114 decks
+28% synergy
Karn Liberated
25% of 114 decks
+24% synergy
Utility Lands
Vault of Whispers
100% of 3 decks
+96% synergy
Ancient Den
100% of 3 decks
+95% synergy
Academy Ruins
78% of 9 decks
+73% synergy
Ancient Tomb
77% of 114 decks
+67% synergy
Urza's Power Plant
73% of 114 decks
+71% synergy
Urza's Mine
73% of 114 decks
+71% synergy
Urza's Tower
73% of 114 decks
+71% synergy
Darksteel Citadel
70% of 114 decks
+66% synergy
War Room
68% of 114 decks
+62% synergy
Seat of the Synod
67% of 9 decks
+60% synergy
Urza's Workshop
60% of 114 decks
+59% synergy
Thespian's Stage
60% of 114 decks
+57% synergy
Fomori Vault
58% of 36 decks
+57% synergy
Fountainport
56% of 9 decks
+52% synergy
Ugin's Labyrinth
55% of 33 decks
+54% synergy
Shrine of the Forsaken Gods
54% of 114 decks
+52% synergy
Mishra's Workshop
50% of 114 decks
+50% synergy
Strip Mine
49% of 114 decks
+46% synergy
Scavenger Grounds
46% of 114 decks
+43% synergy
Blast Zone
43% of 114 decks
+42% synergy
Reliquary Tower
42% of 114 decks
+13% synergy
Scorched Ruins
40% of 114 decks
+40% synergy
Crystal Vein
40% of 114 decks
+39% synergy
Wasteland
40% of 114 decks
+39% synergy
Treasure Vault
38% of 114 decks
+35% synergy
Zhalfirin Void
37% of 114 decks
+36% synergy
Mikokoro, Center of the Sea
37% of 114 decks
+35% synergy
Urza's Factory
36% of 114 decks
+36% synergy
Sanctum of Ugin
36% of 114 decks
+35% synergy
Vesuva
36% of 114 decks
+35% synergy
Homeward Path
36% of 114 decks
+34% synergy
Rogue's Passage
36% of 114 decks
+16% synergy
Deserted Temple
35% of 114 decks
+35% synergy
Bonders' Enclave
32% of 114 decks
+29% synergy
Command Beacon
26% of 114 decks
+22% synergy
Arch of Orazca
25% of 114 decks
+24% synergy
Emergence Zone
25% of 114 decks
+23% synergy
Geier Reach Sanitarium
25% of 114 decks
+22% synergy
Eldrazi Temple
23% of 114 decks
+22% synergy
City of Traitors
22% of 114 decks
+21% synergy
Tomb of the Spirit Dragon
22% of 114 decks
+21% synergy
Karn's Bastion
21% of 114 decks
+16% synergy
Blasted Landscape
20% of 114 decks
+20% synergy
Field of the Dead
20% of 114 decks
+17% synergy
Ominous Cemetery
20% of 65 decks
+20% synergy
Arcane Lighthouse
19% of 114 decks
+18% synergy
Sea Gate Wreckage
18% of 114 decks
+18% synergy
Eye of Ugin
18% of 114 decks
+18% synergy
Temple of the False God
18% of 114 decks
+9% synergy
Guildless Commons
13% of 114 decks
+12% synergy
Mana Artifacts
Sol Ring
96% of 114 decks
+11% synergy
Mind Stone
67% of 114 decks
+49% synergy
Mana Crypt
66% of 114 decks
+57% synergy
Mox Opal
65% of 114 decks
+60% synergy
Thought Vessel
52% of 114 decks
+35% synergy
Liquimetal Torque
41% of 114 decks
+38% synergy
Sonic Screwdriver
40% of 65 decks
+39% synergy
Jeweled Lotus
39% of 114 decks
+33% synergy
The Mightstone and Weakstone
29% of 114 decks
+28% synergy
Lotus Petal
26% of 114 decks
+20% synergy
Blinkmoth Urn
25% of 114 decks
+25% synergy
Mox Diamond
25% of 114 decks
+21% synergy
Worn Powerstone
24% of 114 decks
+21% synergy
Dreamstone Hedron
20% of 114 decks
+19% synergy
Gilded Lotus
20% of 114 decks
+17% synergy
Fellwar Stone
17% of 114 decks
-4% synergy
Staff of Compleation
16% of 103 decks
+14% synergy
Stonespeaker Crystal
14% of 114 decks
+13% synergy
Chromatic Orrery
13% of 114 decks
+12% synergy
Coveted Jewel
11% of 114 decks
+9% synergy
Arcane Signet
9% of 114 decks
-63% synergy
Skyclave Relic
8% of 114 decks
+7% synergy
Slagstone Refinery
6% of 114 decks
+6% synergy
Empowered Autogenerator
6% of 114 decks
+6% synergy
Mox Tantalite
6% of 114 decks
+6% synergy
Unstable Obelisk
6% of 114 decks
+6% synergy
Sol Talisman
6% of 114 decks
+5% synergy
The Irencrag
6% of 66 decks
+5% synergy
Fractured Powerstone
5% of 114 decks
+5% synergy
Prismatic Lens
5% of 114 decks
+4% synergy
Patriar's Seal
5% of 114 decks
+3% synergy
Mox Amber
5% of 114 decks
+1% synergy
Lands
Volcanic Island
100% of 4 decks
+86% synergy
Steam Vents
100% of 4 decks
+61% synergy
Urza's Cave
76% of 33 decks
+72% synergy
The Mycosynth Gardens
66% of 111 decks
+63% synergy
Planar Nexus
58% of 33 decks
+56% synergy
Talon Gates of Madara
50% of 22 decks
+47% synergy
Abstergo Entertainment
31% of 13 decks
+29% synergy
Cavern of Souls
29% of 114 decks
+22% synergy
Gemstone Caverns
28% of 114 decks
+23% synergy
Hall of Tagsin
26% of 114 decks
+26% synergy
Crystal Grotto
16% of 114 decks
+15% synergy
Demolition Field
16% of 114 decks
+13% synergy
Plaza of Heroes
13% of 114 decks
+10% synergy
The Grey Havens
13% of 85 decks
+11% synergy
Gallifrey Council Chamber
12% of 65 decks
+12% synergy
Mirrex
12% of 111 decks
+11% synergy
Conduit Pylons
11% of 36 decks
+10% synergy
Power Depot
10% of 114 decks
+9% synergy
Command Tower
9% of 114 decks
-65% synergy
Scene of the Crime
8% of 40 decks
+7% synergy