Training Grounds
Grim Monolith
Karn, Silver Golem

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Grim Monolith does not have summoning sickness.

   Steps

How does this combo work?
1
Activate Grim Monolith's first ability by tapping it, adding .
2
Activate Karn by paying 1, causing Grim Monolith to become an artifact creature until end of turn.
3
Activate Grim Monolith's last ability by paying 2, untapping it.
4
Repeat step 1 and 3.

   Results

What do I get from this combo?
Infinite colorless mana
Urza, Lord High Artificer
0.1%inclusion12 decks17.4K decks
Memnarch
0.4%inclusion7 decks1.93K decks
Urza, Prince of Kroog
0.2%inclusion4 decks2.51K decks
Oona, Queen of the Fae
0.2%inclusion3 decks1.83K decks
Katsumasa, the Animator
0.6%inclusion2 decks308 decks
Arcum Dagsson
0.0%inclusion1 decks2.07K decks
Thrasios, Triton Hero // Tymna the Weaver
0.0%inclusion1 decks9.51K decks
Barrin, Master Wizard
0.5%inclusion1 decks197 decks
Kenrith, the Returned King
0.0%inclusion1 decks27.2K decks
Ravos, Soultender // Thrasios, Triton Hero
0.2%inclusion1 decks505 decks
Niv-Mizzet, Dracogenius
0.6%inclusion1 decks172 decks
Mishra, Eminent One
0.0%inclusion1 decks7.57K decks
Absolute Virtue
0.1%inclusion1 decks1.27K decks
Phelddagrif
0.0%inclusion1 decks3.07K decks
Lady Octopus, Inspired Inventor
0.0%inclusion1 decks2.04K decks
Ulalek, Fused Atrocity
0.0%inclusion1 decks23.9K decks
Ioreth of the Healing House
0.4%inclusion1 decks235 decks
Kinnan, Bonder Prodigy
0.0%inclusion1 decks17K decks
New Cards
Katara's Reversal
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Rings of Brighthearth
60%inclusion26 decks43 decks
59%synergy
Unwinding Clock
53%inclusion23 decks43 decks
51%synergy
Academy Ruins
56%inclusion24 decks43 decks
51%synergy
Mycosynth Lattice
51%inclusion22 decks43 decks
50%synergy
Urza's Saga
56%inclusion24 decks43 decks
49%synergy
Metalworker
49%inclusion21 decks43 decks
48%synergy
Voltaic Key
49%inclusion21 decks43 decks
48%synergy
Karn, the Great Creator
49%inclusion21 decks43 decks
48%synergy
Mana Drain
60%inclusion26 decks43 decks
46%synergy
Seat of the Synod
51%inclusion22 decks43 decks
44%synergy
Top Cards
Sensei's Divining Top
49%inclusion21 decks43 decks
44%synergy
Fabricate
49%inclusion21 decks43 decks
43%synergy
Dramatic Reversal
47%inclusion20 decks43 decks
42%synergy
Voltaic Construct
42%inclusion18 decks43 decks
42%synergy
Grand Architect
42%inclusion18 decks43 decks
41%synergy
Staff of Domination
42%inclusion18 decks43 decks
40%synergy
Fierce Guardianship
42%inclusion18 decks43 decks
24%synergy
Counterspell
42%inclusion18 decks43 decks
0%synergy
Teferi's Protection
42%inclusion5 decks12 decks
25%synergy
Esper Sentinel
42%inclusion5 decks12 decks
22%synergy
Game Changers
Vampiric Tutor
80%inclusion8 decks10 decks
65%synergy
Demonic Tutor
80%inclusion8 decks10 decks
60%synergy
Mana Vault
67%inclusion29 decks43 decks
61%synergy
Imperial Seal
60%inclusion6 decks10 decks
55%synergy
Enlightened Tutor
58%inclusion7 decks12 decks
43%synergy
Rhystic Study
58%inclusion25 decks43 decks
34%synergy
Cyclonic Rift
56%inclusion24 decks43 decks
33%synergy
The One Ring
47%inclusion20 decks43 decks
38%synergy
Force of Will
42%inclusion18 decks43 decks
32%synergy
Chrome Mox
37%inclusion16 decks43 decks
31%synergy
Creatures
Biomancer's Familiar
50%inclusion3 decks6 decks
48%synergy
Forensic Gadgeteer
41%inclusion17 decks41 decks
39%synergy
Pili-Pala
40%inclusion17 decks43 decks
39%synergy
Urza, Lord High Artificer
40%inclusion17 decks43 decks
36%synergy
Emry, Lurker of the Loch
37%inclusion16 decks43 decks
33%synergy
Foundry Inspector
35%inclusion15 decks43 decks
31%synergy
Phyrexian Metamorph
35%inclusion15 decks43 decks
27%synergy
Sai, Master Thopterist
33%inclusion14 decks43 decks
29%synergy
Etherium Sculptor
33%inclusion14 decks43 decks
27%synergy
Padeem, Consul of Innovation
28%inclusion12 decks43 decks
25%synergy
Urza, Lord Protector
25%inclusion3 decks12 decks
24%synergy
Master Transmuter
23%inclusion10 decks43 decks
22%synergy
Myr Retriever
23%inclusion10 decks43 decks
22%synergy
Walking Ballista
23%inclusion10 decks43 decks
21%synergy
Thassa's Oracle
23%inclusion10 decks43 decks
17%synergy
Filigree Sages
21%inclusion9 decks43 decks
21%synergy
Spellskite
21%inclusion9 decks43 decks
18%synergy
Hullbreaker Horror
21%inclusion9 decks43 decks
13%synergy
Memnarch
19%inclusion8 decks43 decks
18%synergy
Liberator, Urza's Battlethopter
19%inclusion8 decks43 decks
17%synergy
Blightsteel Colossus
19%inclusion8 decks43 decks
17%synergy
Myr Battlesphere
19%inclusion8 decks43 decks
17%synergy
The Reality Chip
19%inclusion8 decks43 decks
15%synergy
Thought Monitor
19%inclusion8 decks43 decks
15%synergy
Displacer Kitten
19%inclusion8 decks43 decks
13%synergy
Palladium Myr
16%inclusion7 decks43 decks
14%synergy
Myr Welder
14%inclusion6 decks43 decks
14%synergy
Arcum Dagsson
14%inclusion6 decks43 decks
14%synergy
Master of Etherium
14%inclusion6 decks43 decks
12%synergy
Ornithopter
14%inclusion6 decks43 decks
12%synergy
Trinket Mage
14%inclusion6 decks43 decks
12%synergy
Jin-Gitaxias, Progress Tyrant
14%inclusion6 decks43 decks
12%synergy
Cyberdrive Awakener
14%inclusion6 decks43 decks
11%synergy
Faerie Mastermind
14%inclusion6 decks43 decks
8%synergy
Dross Scorpion
12%inclusion5 decks43 decks
12%synergy
Katsumasa, the Animator
12%inclusion5 decks43 decks
11%synergy
Palinchron
12%inclusion5 decks43 decks
11%synergy
Aphetto Alchemist
12%inclusion5 decks43 decks
11%synergy
Vedalken Archmage
12%inclusion5 decks43 decks
11%synergy
Scrap Trawler
12%inclusion5 decks43 decks
10%synergy
Deadeye Navigator
12%inclusion5 decks43 decks
9%synergy
Marvin, Murderous Mimic
11%inclusion4 decks35 decks
10%synergy
Traxos, Scourge of Kroog
9.3%inclusion4 decks43 decks
9%synergy
Mycosynth Golem
9.3%inclusion4 decks43 decks
9%synergy
Karn, Legacy Reforged
9.3%inclusion4 decks43 decks
9%synergy
Kuldotha Forgemaster
9.3%inclusion4 decks43 decks
9%synergy
Memnite
9.3%inclusion4 decks43 decks
9%synergy
Platinum Angel
9.3%inclusion4 decks43 decks
8%synergy
Wurmcoil Engine
9.3%inclusion4 decks43 decks
8%synergy
Steel Overseer
9.3%inclusion4 decks43 decks
8%synergy
Instants
Force of Negation
37%inclusion16 decks43 decks
29%synergy
Swords to Plowshares
33%inclusion4 decks12 decks
-28%synergy
Mystical Tutor
30%inclusion13 decks43 decks
18%synergy
Dark Ritual
30%inclusion3 decks10 decks
6%synergy
Whir of Invention
26%inclusion11 decks43 decks
23%synergy
Path to Exile
25%inclusion3 decks12 decks
-22%synergy
Swan Song
23%inclusion10 decks43 decks
6%synergy
Pact of Negation
21%inclusion9 decks43 decks
14%synergy
Pongify
19%inclusion8 decks43 decks
7%synergy
An Offer You Can't Refuse
19%inclusion8 decks43 decks
-6%synergy
Blue Sun's Zenith
16%inclusion7 decks43 decks
14%synergy
Flusterstorm
16%inclusion7 decks43 decks
9%synergy
Brainstorm
16%inclusion7 decks43 decks
-2%synergy
Negate
16%inclusion7 decks43 decks
-5%synergy
Rapid Hybridization
14%inclusion6 decks43 decks
5%synergy
Arcane Denial
14%inclusion6 decks43 decks
-6%synergy
Intuition
12%inclusion5 decks43 decks
10%synergy
Cryptic Command
12%inclusion5 decks43 decks
10%synergy
Muddle the Mixture
12%inclusion5 decks43 decks
7%synergy
Mental Misstep
12%inclusion5 decks43 decks
6%synergy
Capsize
9.3%inclusion4 decks43 decks
9%synergy
Nexus of Fate
9.3%inclusion4 decks43 decks
8%synergy
Mana Leak
9.3%inclusion4 decks43 decks
7%synergy
Mindbreak Trap
9.3%inclusion4 decks43 decks
4%synergy
Reality Shift
9.3%inclusion4 decks43 decks
1%synergy
Sink into Stupor
7.9%inclusion3 decks38 decks
-2%synergy
Three Steps Ahead
7.7%inclusion3 decks39 decks
5%synergy
March of Swirling Mist
7.0%inclusion3 decks43 decks
5%synergy
Spell Pierce
7.0%inclusion3 decks43 decks
4%synergy
High Tide
7.0%inclusion3 decks43 decks
3%synergy
Dispel
7.0%inclusion3 decks43 decks
3%synergy
Sorceries
Transmute Artifact
26%inclusion11 decks43 decks
25%synergy
Rise and Shine
16%inclusion7 decks43 decks
15%synergy
Reshape
16%inclusion7 decks43 decks
15%synergy
Thoughtcast
16%inclusion7 decks43 decks
13%synergy
Windfall
14%inclusion6 decks43 decks
2%synergy
Merchant Scroll
12%inclusion5 decks43 decks
10%synergy
Time Spiral
9.3%inclusion4 decks43 decks
9%synergy
Preordain
9.3%inclusion4 decks43 decks
0%synergy
Ponder
9.3%inclusion4 decks43 decks
-3%synergy
Rite of Replication
7.0%inclusion3 decks43 decks
4%synergy
Utility Artifacts
Mystic Forge
40%inclusion17 decks43 decks
37%synergy
Darksteel Forge
35%inclusion15 decks43 decks
34%synergy
Isochron Scepter
35%inclusion15 decks43 decks
33%synergy
Manifold Key
33%inclusion14 decks43 decks
31%synergy
Heartstone
30%inclusion13 decks43 decks
30%synergy
Clock of Omens
28%inclusion12 decks43 decks
27%synergy
Lightning Greaves
23%inclusion10 decks43 decks
-2%synergy
Cloud Key
21%inclusion9 decks43 decks
19%synergy
Sculpting Steel
21%inclusion9 decks43 decks
19%synergy
The Blackstaff of Waterdeep
19%inclusion8 decks43 decks
19%synergy
Forsaken Monument
19%inclusion8 decks43 decks
17%synergy
Sapphire Medallion
19%inclusion8 decks43 decks
16%synergy
Liquimetal Coating
16%inclusion7 decks43 decks
16%synergy
Umbral Mantle
16%inclusion7 decks43 decks
16%synergy
Nevinyrral's Disk
16%inclusion7 decks43 decks
15%synergy
Lithoform Engine
16%inclusion7 decks43 decks
15%synergy
Aetherflux Reservoir
16%inclusion7 decks43 decks
13%synergy
The Enigma Jewel
14%inclusion6 decks43 decks
13%synergy
Vedalken Orrery
14%inclusion6 decks43 decks
13%synergy
Ashnod's Altar
14%inclusion6 decks43 decks
7%synergy
Swiftfoot Boots
14%inclusion6 decks43 decks
-13%synergy
Simulacrum Synthesizer
13%inclusion5 decks39 decks
11%synergy
Winter Orb
12%inclusion5 decks43 decks
11%synergy
Tormod's Crypt
12%inclusion5 decks43 decks
11%synergy
Encroaching Mycosynth
12%inclusion5 decks43 decks
11%synergy
Moonsilver Key
12%inclusion5 decks43 decks
11%synergy
Illusionist's Bracers
12%inclusion5 decks43 decks
11%synergy
Mirage Mirror
12%inclusion5 decks43 decks
10%synergy
Thousand-Year Elixir
12%inclusion5 decks43 decks
10%synergy
Vexing Bauble
11%inclusion4 decks38 decks
9%synergy
Doubling Cube
9.3%inclusion4 decks43 decks
9%synergy
Krark-Clan Ironworks
9.3%inclusion4 decks43 decks
8%synergy
Elixir of Immortality
9.3%inclusion4 decks43 decks
8%synergy
Mishra's Bauble
9.3%inclusion4 decks43 decks
8%synergy
Expedition Map
9.3%inclusion4 decks43 decks
6%synergy
Mithril Coat
9.3%inclusion4 decks43 decks
5%synergy
Thran Temporal Gateway
7.0%inclusion3 decks43 decks
7%synergy
Trinisphere
7.0%inclusion3 decks43 decks
7%synergy
Planar Bridge
7.0%inclusion3 decks43 decks
7%synergy
Mirrorworks
7.0%inclusion3 decks43 decks
6%synergy
Weatherlight
7.0%inclusion3 decks43 decks
6%synergy
Spine of Ish Sah
7.0%inclusion3 decks43 decks
6%synergy
Defense Grid
7.0%inclusion3 decks43 decks
6%synergy
Aether Spellbomb
7.0%inclusion3 decks43 decks
6%synergy
Portal to Phyrexia
7.0%inclusion3 decks43 decks
5%synergy
Ichor Wellspring
7.0%inclusion3 decks43 decks
5%synergy
Howling Mine
7.0%inclusion3 decks43 decks
5%synergy
Shadowspear
7.0%inclusion3 decks43 decks
4%synergy
Phyrexian Altar
7.0%inclusion3 decks43 decks
3%synergy
Basilisk Collar
7.0%inclusion3 decks43 decks
3%synergy
Enchantments
Smothering Tithe
42%inclusion5 decks12 decks
20%synergy
Mystic Remora
37%inclusion16 decks43 decks
21%synergy
Power Artifact
35%inclusion15 decks43 decks
35%synergy
March of the Machines
21%inclusion9 decks43 decks
21%synergy
Copy Artifact
16%inclusion7 decks43 decks
15%synergy
Propaganda
14%inclusion6 decks43 decks
0%synergy
Thopter Spy Network
12%inclusion5 decks43 decks
8%synergy
Unstoppable Plan
11%inclusion3 decks28 decks
9%synergy
Ensoul Artifact
9.3%inclusion4 decks43 decks
9%synergy
Artificer Class
9.3%inclusion4 decks43 decks
8%synergy
Intruder Alarm
9.3%inclusion4 decks43 decks
7%synergy
The Antiquities War
7.0%inclusion3 decks43 decks
7%synergy
Planeswalkers
Tezzeret the Seeker
33%inclusion14 decks43 decks
30%synergy
Tezzeret, Betrayer of Flesh
26%inclusion11 decks43 decks
25%synergy
Teferi, Time Raveler
25%inclusion3 decks12 decks
19%synergy
Ugin, Eye of the Storms
15%inclusion4 decks26 decks
14%synergy
Narset, Parter of Veils
14%inclusion6 decks43 decks
10%synergy
Ugin, the Ineffable
12%inclusion5 decks43 decks
10%synergy
Karn, Scion of Urza
9.3%inclusion4 decks43 decks
9%synergy
Utility Lands
Inventors' Fair
42%inclusion18 decks43 decks
38%synergy
Darksteel Citadel
40%inclusion17 decks43 decks
36%synergy
Ancient Tomb
40%inclusion17 decks43 decks
30%synergy
Reliquary Tower
35%inclusion15 decks43 decks
5%synergy
Ancient Den
33%inclusion4 decks12 decks
28%synergy
Vault of Whispers
30%inclusion3 decks10 decks
26%synergy
Bojuka Bog
30%inclusion3 decks10 decks
0%synergy
Otawara, Soaring City
23%inclusion10 decks43 decks
7%synergy
Uthros, Titanic Godcore
22%inclusion4 decks18 decks
19%synergy
Urza's Power Plant
21%inclusion9 decks43 decks
19%synergy
Urza's Mine
21%inclusion9 decks43 decks
19%synergy
Urza's Tower
21%inclusion9 decks43 decks
19%synergy
Treasure Vault
21%inclusion9 decks43 decks
18%synergy
Minamo, School at Water's Edge
21%inclusion9 decks43 decks
16%synergy
Mishra's Workshop
19%inclusion8 decks43 decks
18%synergy
Tolaria West
16%inclusion7 decks43 decks
15%synergy
Strip Mine
14%inclusion6 decks43 decks
11%synergy
Buried Ruin
14%inclusion6 decks43 decks
9%synergy
Urza's Workshop
12%inclusion5 decks43 decks
11%synergy
Archway of Innovation
7.9%inclusion3 decks38 decks
5%synergy
Urza's Factory
7.0%inclusion3 decks43 decks
7%synergy
Oboro, Palace in the Clouds
7.0%inclusion3 decks43 decks
6%synergy
Crystal Vein
7.0%inclusion3 decks43 decks
6%synergy
City of Traitors
7.0%inclusion3 decks43 decks
6%synergy
Lotus Field
7.0%inclusion3 decks43 decks
5%synergy
Emergence Zone
7.0%inclusion3 decks43 decks
5%synergy
Maze of Ith
7.0%inclusion3 decks43 decks
4%synergy
Nykthos, Shrine to Nyx
7.0%inclusion3 decks43 decks
2%synergy
Urborg, Tomb of Yawgmoth
7.0%inclusion3 decks43 decks
-2%synergy
Mystic Sanctuary
7.0%inclusion3 decks43 decks
-4%synergy
Mana Artifacts
Sol Ring
95%inclusion41 decks43 decks
12%synergy
Basalt Monolith
77%inclusion33 decks43 decks
74%synergy
Mox Opal
63%inclusion27 decks43 decks
58%synergy
Arcane Signet
58%inclusion25 decks43 decks
-14%synergy
Lotus Petal
44%inclusion19 decks43 decks
37%synergy
Chromatic Orrery
42%inclusion18 decks43 decks
41%synergy
Thran Dynamo
42%inclusion18 decks43 decks
37%synergy
Gilded Lotus
40%inclusion17 decks43 decks
37%synergy
Everflowing Chalice
35%inclusion15 decks43 decks
31%synergy
Liquimetal Torque
30%inclusion13 decks43 decks
27%synergy
Azorius Signet
25%inclusion3 decks12 decks
3%synergy
Fellwar Stone
21%inclusion9 decks43 decks
0%synergy
Mox Diamond
19%inclusion8 decks43 decks
14%synergy
The Eternity Elevator
17%inclusion3 decks18 decks
15%synergy
Thought Vessel
16%inclusion7 decks43 decks
-1%synergy
Mana Crypt
14%inclusion6 decks43 decks
12%synergy
Mox Amber
14%inclusion6 decks43 decks
9%synergy
Mind Stone
14%inclusion6 decks43 decks
-1%synergy
Crystal Skull, Isu Spyglass
14%inclusion5 decks37 decks
12%synergy
Extraplanar Lens
12%inclusion5 decks43 decks
11%synergy
Worn Powerstone
12%inclusion5 decks43 decks
9%synergy
Chromatic Lantern
12%inclusion5 decks43 decks
3%synergy
The Mightstone and Weakstone
9.3%inclusion4 decks43 decks
9%synergy
Gemstone Array
7.0%inclusion3 decks43 decks
7%synergy
Empowered Autogenerator
7.0%inclusion3 decks43 decks
7%synergy
Paradise Mantle
7.0%inclusion3 decks43 decks
6%synergy
Darksteel Ingot
7.0%inclusion3 decks43 decks
6%synergy
Dreamstone Hedron
7.0%inclusion3 decks43 decks
6%synergy
Nyx Lotus
7.0%inclusion3 decks43 decks
6%synergy
Coveted Jewel
7.0%inclusion3 decks43 decks
6%synergy
Jeweled Lotus
7.0%inclusion3 decks43 decks
5%synergy
Caged Sun
7.0%inclusion3 decks43 decks
5%synergy
Lands
Hallowed Fountain
67%inclusion8 decks12 decks
27%synergy
Watery Grave
60%inclusion6 decks10 decks
19%synergy
Breeding Pool
50%inclusion3 decks6 decks
8%synergy
Tundra
42%inclusion5 decks12 decks
28%synergy
Command Tower
37%inclusion16 decks43 decks
-37%synergy
Glacial Fortress
33%inclusion4 decks12 decks
1%synergy
Prairie Stream
33%inclusion4 decks12 decks
0%synergy
Underground River
30%inclusion3 decks10 decks
7%synergy
Morphic Pool
30%inclusion3 decks10 decks
5%synergy
Drowned Catacomb
30%inclusion3 decks10 decks
1%synergy
Razortide Bridge
25%inclusion3 decks12 decks
18%synergy
Polluted Delta
23%inclusion10 decks43 decks
11%synergy
The Mycosynth Gardens
21%inclusion9 decks43 decks
19%synergy
Flooded Strand
21%inclusion9 decks43 decks
10%synergy
Scalding Tarn
19%inclusion8 decks43 decks
8%synergy
Urza's Cave
15%inclusion6 decks39 decks
13%synergy
Gemstone Caverns
14%inclusion6 decks43 decks
9%synergy
Misty Rainforest
14%inclusion6 decks43 decks
2%synergy
Exotic Orchard
14%inclusion6 decks43 decks
-22%synergy
Spire of Industry
12%inclusion5 decks43 decks
8%synergy
Marsh Flats
12%inclusion5 decks43 decks
1%synergy
Windswept Heath
12%inclusion5 decks43 decks
1%synergy
City of Brass
9.3%inclusion4 decks43 decks
2%synergy
Bloodstained Mire
9.3%inclusion4 decks43 decks
-2%synergy
Planar Nexus
7.7%inclusion3 decks39 decks
7%synergy
Hall of Tagsin
7.0%inclusion3 decks43 decks
7%synergy
Reflecting Pool
7.0%inclusion3 decks43 decks
2%synergy
Cavern of Souls
7.0%inclusion3 decks43 decks
0%synergy
Arid Mesa
7.0%inclusion3 decks43 decks
-3%synergy
Wooded Foothills
7.0%inclusion3 decks43 decks
-4%synergy
Verdant Catacombs
7.0%inclusion3 decks43 decks
-4%synergy