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%inclusion11 decks17.7K decks
Memnarch
0.3%inclusion6 decks1.97K decks
Urza, Prince of Kroog
0.2%inclusion4 decks2.50K decks
Oona, Queen of the Fae
0.1%inclusion2 decks1.89K decks
Katsumasa, the Animator
0.3%inclusion1 decks318 decks
Arcum Dagsson
0.0%inclusion1 decks2.22K decks
Thrasios, Triton Hero // Tymna the Weaver
0.0%inclusion1 decks9.79K decks
Barrin, Master Wizard
0.5%inclusion1 decks197 decks
Kenrith, the Returned King
0.0%inclusion1 decks28K decks
Ravos, Soultender // Thrasios, Triton Hero
0.2%inclusion1 decks507 decks
Niv-Mizzet, Dracogenius
0.6%inclusion1 decks173 decks
Mishra, Eminent One
0.0%inclusion1 decks7.51K decks
Absolute Virtue
0.1%inclusion1 decks1.45K decks
Phelddagrif
0.0%inclusion1 decks3.22K decks
Lady Octopus, Inspired Inventor
0.0%inclusion1 decks2.58K decks
Muzzio, Visionary Architect
0.2%inclusion1 decks573 decks
Ulalek, Fused Atrocity
0.0%inclusion1 decks25.6K decks
Ioreth of the Healing House
0.4%inclusion1 decks244 decks
High Synergy Cards
Rings of Brighthearth
57%inclusion23 decks40 decks
56%synergy
Academy Ruins
60%inclusion24 decks40 decks
55%synergy
Unwinding Clock
55%inclusion22 decks40 decks
53%synergy
Mycosynth Lattice
53%inclusion21 decks40 decks
52%synergy
Metalworker
50%inclusion20 decks40 decks
50%synergy
Karn, the Great Creator
50%inclusion20 decks40 decks
49%synergy
Urza's Saga
55%inclusion22 decks40 decks
48%synergy
Voltaic Key
48%inclusion19 decks40 decks
47%synergy
Seat of the Synod
53%inclusion21 decks40 decks
46%synergy
Sensei's Divining Top
50%inclusion20 decks40 decks
45%synergy
Top Cards
Mana Drain
57%inclusion23 decks40 decks
43%synergy
Fabricate
50%inclusion20 decks40 decks
45%synergy
Dramatic Reversal
48%inclusion19 decks40 decks
43%synergy
Staff of Domination
45%inclusion18 decks40 decks
44%synergy
Urza, Lord High Artificer
45%inclusion18 decks40 decks
42%synergy
Fierce Guardianship
45%inclusion18 decks40 decks
27%synergy
Forensic Gadgeteer
43%inclusion17 decks40 decks
40%synergy
Counterspell
43%inclusion17 decks40 decks
1%synergy
Teferi's Protection
42%inclusion5 decks12 decks
25%synergy
Esper Sentinel
42%inclusion5 decks12 decks
23%synergy
Game Changers
Vampiric Tutor
78%inclusion7 decks9 decks
63%synergy
Demonic Tutor
78%inclusion7 decks9 decks
58%synergy
Mana Vault
68%inclusion27 decks40 decks
62%synergy
Rhystic Study
60%inclusion24 decks40 decks
36%synergy
Enlightened Tutor
58%inclusion7 decks12 decks
43%synergy
Imperial Seal
56%inclusion5 decks9 decks
50%synergy
Cyclonic Rift
55%inclusion22 decks40 decks
33%synergy
The One Ring
48%inclusion19 decks40 decks
39%synergy
Ancient Tomb
45%inclusion18 decks40 decks
36%synergy
Chrome Mox
38%inclusion15 decks40 decks
32%synergy
Creatures
Biomancer's Familiar
50%inclusion3 decks6 decks
48%synergy
Voltaic Construct
40%inclusion16 decks40 decks
40%synergy
Pili-Pala
40%inclusion16 decks40 decks
40%synergy
Grand Architect
40%inclusion16 decks40 decks
40%synergy
Emry, Lurker of the Loch
40%inclusion16 decks40 decks
36%synergy
Phyrexian Metamorph
38%inclusion15 decks40 decks
30%synergy
Sai, Master Thopterist
33%inclusion13 decks40 decks
29%synergy
Foundry Inspector
33%inclusion13 decks40 decks
28%synergy
Etherium Sculptor
33%inclusion13 decks40 decks
27%synergy
Master Transmuter
28%inclusion11 decks40 decks
26%synergy
Padeem, Consul of Innovation
28%inclusion11 decks40 decks
24%synergy
Urza, Lord Protector
25%inclusion3 decks12 decks
24%synergy
Myr Retriever
25%inclusion10 decks40 decks
23%synergy
Thassa's Oracle
25%inclusion10 decks40 decks
19%synergy
Filigree Sages
23%inclusion9 decks40 decks
22%synergy
Blightsteel Colossus
23%inclusion9 decks40 decks
21%synergy
Walking Ballista
23%inclusion9 decks40 decks
20%synergy
Spellskite
23%inclusion9 decks40 decks
19%synergy
Hullbreaker Horror
23%inclusion9 decks40 decks
15%synergy
Memnarch
20%inclusion8 decks40 decks
20%synergy
Myr Battlesphere
20%inclusion8 decks40 decks
18%synergy
Liberator, Urza's Battlethopter
18%inclusion7 decks40 decks
16%synergy
Palladium Myr
18%inclusion7 decks40 decks
16%synergy
The Reality Chip
18%inclusion7 decks40 decks
14%synergy
Thought Monitor
18%inclusion7 decks40 decks
14%synergy
Myr Welder
15%inclusion6 decks40 decks
15%synergy
Arcum Dagsson
15%inclusion6 decks40 decks
15%synergy
Ornithopter
15%inclusion6 decks40 decks
13%synergy
Displacer Kitten
15%inclusion6 decks40 decks
10%synergy
Dross Scorpion
13%inclusion5 decks40 decks
12%synergy
Katsumasa, the Animator
13%inclusion5 decks40 decks
12%synergy
Aphetto Alchemist
13%inclusion5 decks40 decks
12%synergy
Platinum Angel
13%inclusion5 decks40 decks
12%synergy
Master of Etherium
13%inclusion5 decks40 decks
11%synergy
Scrap Trawler
13%inclusion5 decks40 decks
11%synergy
Trinket Mage
13%inclusion5 decks40 decks
11%synergy
Jin-Gitaxias, Progress Tyrant
13%inclusion5 decks40 decks
10%synergy
Cyberdrive Awakener
13%inclusion5 decks40 decks
10%synergy
Faerie Mastermind
13%inclusion5 decks40 decks
6%synergy
Marvin, Murderous Mimic
11%inclusion4 decks36 decks
10%synergy
Traxos, Scourge of Kroog
10%inclusion4 decks40 decks
10%synergy
Palinchron
10%inclusion4 decks40 decks
10%synergy
Mycosynth Golem
10%inclusion4 decks40 decks
10%synergy
Karn, Legacy Reforged
10%inclusion4 decks40 decks
9%synergy
Kuldotha Forgemaster
10%inclusion4 decks40 decks
9%synergy
Memnite
10%inclusion4 decks40 decks
9%synergy
Vedalken Archmage
10%inclusion4 decks40 decks
9%synergy
Wurmcoil Engine
10%inclusion4 decks40 decks
8%synergy
Tribute Mage
10%inclusion4 decks40 decks
8%synergy
Steel Overseer
10%inclusion4 decks40 decks
8%synergy
Instants
Force of Will
40%inclusion16 decks40 decks
30%synergy
Force of Negation
35%inclusion14 decks40 decks
27%synergy
Swords to Plowshares
33%inclusion4 decks12 decks
-28%synergy
Mystical Tutor
33%inclusion13 decks40 decks
20%synergy
Whir of Invention
25%inclusion10 decks40 decks
22%synergy
Path to Exile
25%inclusion3 decks12 decks
-22%synergy
Swan Song
23%inclusion9 decks40 decks
5%synergy
Pact of Negation
20%inclusion8 decks40 decks
13%synergy
An Offer You Can't Refuse
20%inclusion8 decks40 decks
-5%synergy
Blue Sun's Zenith
18%inclusion7 decks40 decks
16%synergy
Flusterstorm
18%inclusion7 decks40 decks
10%synergy
Negate
18%inclusion7 decks40 decks
-3%synergy
Pongify
15%inclusion6 decks40 decks
4%synergy
Arcane Denial
15%inclusion6 decks40 decks
-5%synergy
Cryptic Command
13%inclusion5 decks40 decks
11%synergy
Mana Leak
13%inclusion5 decks40 decks
10%synergy
Muddle the Mixture
13%inclusion5 decks40 decks
8%synergy
Mindbreak Trap
13%inclusion5 decks40 decks
7%synergy
Mental Misstep
13%inclusion5 decks40 decks
7%synergy
Rapid Hybridization
13%inclusion5 decks40 decks
3%synergy
Brainstorm
13%inclusion5 decks40 decks
-6%synergy
Capsize
10%inclusion4 decks40 decks
9%synergy
Nexus of Fate
10%inclusion4 decks40 decks
9%synergy
Intuition
10%inclusion4 decks40 decks
8%synergy
Dispel
10%inclusion4 decks40 decks
6%synergy
Reality Shift
10%inclusion4 decks40 decks
2%synergy
Sink into Stupor
7.7%inclusion3 decks39 decks
-2%synergy
March of Swirling Mist
7.5%inclusion3 decks40 decks
5%synergy
Three Steps Ahead
7.5%inclusion3 decks40 decks
5%synergy
Spell Pierce
7.5%inclusion3 decks40 decks
4%synergy
High Tide
7.5%inclusion3 decks40 decks
4%synergy
Sorceries
Transmute Artifact
30%inclusion12 decks40 decks
29%synergy
Reshape
20%inclusion8 decks40 decks
19%synergy
Rise and Shine
15%inclusion6 decks40 decks
14%synergy
Thoughtcast
15%inclusion6 decks40 decks
12%synergy
Time Spiral
13%inclusion5 decks40 decks
12%synergy
Windfall
13%inclusion5 decks40 decks
1%synergy
Merchant Scroll
10%inclusion4 decks40 decks
9%synergy
Preordain
7.5%inclusion3 decks40 decks
-2%synergy
Utility Artifacts
Isochron Scepter
38%inclusion15 decks40 decks
36%synergy
Mystic Forge
38%inclusion15 decks40 decks
35%synergy
Darksteel Forge
35%inclusion14 decks40 decks
34%synergy
Heartstone
33%inclusion13 decks40 decks
32%synergy
Manifold Key
33%inclusion13 decks40 decks
31%synergy
Clock of Omens
30%inclusion12 decks40 decks
29%synergy
Sculpting Steel
25%inclusion10 decks40 decks
23%synergy
Cloud Key
23%inclusion9 decks40 decks
20%synergy
Lightning Greaves
23%inclusion9 decks40 decks
-2%synergy
The Blackstaff of Waterdeep
18%inclusion7 decks40 decks
17%synergy
Nevinyrral's Disk
18%inclusion7 decks40 decks
17%synergy
Lithoform Engine
18%inclusion7 decks40 decks
16%synergy
Forsaken Monument
18%inclusion7 decks40 decks
16%synergy
Liquimetal Coating
15%inclusion6 decks40 decks
15%synergy
Vedalken Orrery
15%inclusion6 decks40 decks
14%synergy
Sapphire Medallion
15%inclusion6 decks40 decks
12%synergy
Aetherflux Reservoir
15%inclusion6 decks40 decks
12%synergy
The Enigma Jewel
13%inclusion5 decks40 decks
12%synergy
Winter Orb
13%inclusion5 decks40 decks
12%synergy
Umbral Mantle
13%inclusion5 decks40 decks
12%synergy
Encroaching Mycosynth
13%inclusion5 decks40 decks
12%synergy
Tormod's Crypt
13%inclusion5 decks40 decks
12%synergy
Moonsilver Key
13%inclusion5 decks40 decks
11%synergy
Thousand-Year Elixir
13%inclusion5 decks40 decks
11%synergy
Simulacrum Synthesizer
13%inclusion5 decks40 decks
11%synergy
Ashnod's Altar
13%inclusion5 decks40 decks
6%synergy
Swiftfoot Boots
13%inclusion5 decks40 decks
-15%synergy
Vexing Bauble
10%inclusion4 decks39 decks
9%synergy
Doubling Cube
10%inclusion4 decks40 decks
10%synergy
Illusionist's Bracers
10%inclusion4 decks40 decks
9%synergy
Krark-Clan Ironworks
10%inclusion4 decks40 decks
9%synergy
Elixir of Immortality
10%inclusion4 decks40 decks
9%synergy
Mirage Mirror
10%inclusion4 decks40 decks
9%synergy
Mishra's Bauble
10%inclusion4 decks40 decks
9%synergy
Portal to Phyrexia
10%inclusion4 decks40 decks
9%synergy
Expedition Map
10%inclusion4 decks40 decks
7%synergy
Thran Temporal Gateway
7.5%inclusion3 decks40 decks
7%synergy
Static Orb
7.5%inclusion3 decks40 decks
7%synergy
Trinisphere
7.5%inclusion3 decks40 decks
7%synergy
Planar Bridge
7.5%inclusion3 decks40 decks
7%synergy
Mirrorworks
7.5%inclusion3 decks40 decks
7%synergy
Spine of Ish Sah
7.5%inclusion3 decks40 decks
7%synergy
Defense Grid
7.5%inclusion3 decks40 decks
7%synergy
Scroll Rack
7.5%inclusion3 decks40 decks
6%synergy
Ichor Wellspring
7.5%inclusion3 decks40 decks
6%synergy
Howling Mine
7.5%inclusion3 decks40 decks
6%synergy
Basilisk Collar
7.5%inclusion3 decks40 decks
3%synergy
Mithril Coat
7.5%inclusion3 decks40 decks
3%synergy
Enchantments
Smothering Tithe
42%inclusion5 decks12 decks
20%synergy
Power Artifact
35%inclusion14 decks40 decks
35%synergy
Mystic Remora
35%inclusion14 decks40 decks
19%synergy
March of the Machines
20%inclusion8 decks40 decks
20%synergy
Copy Artifact
20%inclusion8 decks40 decks
19%synergy
Propaganda
13%inclusion5 decks40 decks
-1%synergy
Unstoppable Plan
10%inclusion3 decks29 decks
8%synergy
Ensoul Artifact
10%inclusion4 decks40 decks
10%synergy
Artificer Class
10%inclusion4 decks40 decks
9%synergy
Intruder Alarm
10%inclusion4 decks40 decks
8%synergy
Thopter Spy Network
10%inclusion4 decks40 decks
7%synergy
Back to Basics
7.5%inclusion3 decks40 decks
7%synergy
Planeswalkers
Tezzeret the Seeker
35%inclusion14 decks40 decks
33%synergy
Tezzeret, Betrayer of Flesh
25%inclusion10 decks40 decks
24%synergy
Teferi, Time Raveler
25%inclusion3 decks12 decks
19%synergy
Narset, Parter of Veils
15%inclusion6 decks40 decks
11%synergy
Ugin, Eye of the Storms
15%inclusion4 decks27 decks
14%synergy
Ugin, the Ineffable
10%inclusion4 decks40 decks
8%synergy
Karn, Scion of Urza
7.5%inclusion3 decks40 decks
7%synergy
Utility Lands
Inventors' Fair
48%inclusion19 decks40 decks
44%synergy
Darksteel Citadel
40%inclusion16 decks40 decks
36%synergy
Reliquary Tower
38%inclusion15 decks40 decks
8%synergy
Vault of Whispers
33%inclusion3 decks9 decks
29%synergy
Ancient Den
33%inclusion4 decks12 decks
28%synergy
Minamo, School at Water's Edge
25%inclusion10 decks40 decks
20%synergy
Otawara, Soaring City
25%inclusion10 decks40 decks
9%synergy
Urza's Power Plant
23%inclusion9 decks40 decks
21%synergy
Urza's Mine
23%inclusion9 decks40 decks
21%synergy
Urza's Tower
23%inclusion9 decks40 decks
21%synergy
Treasure Vault
23%inclusion9 decks40 decks
20%synergy
Uthros, Titanic Godcore
21%inclusion4 decks19 decks
18%synergy
Mishra's Workshop
20%inclusion8 decks40 decks
20%synergy
Tolaria West
18%inclusion7 decks40 decks
16%synergy
Strip Mine
15%inclusion6 decks40 decks
12%synergy
Buried Ruin
15%inclusion6 decks40 decks
10%synergy
Urza's Workshop
13%inclusion5 decks40 decks
12%synergy
Crystal Vein
10%inclusion4 decks40 decks
9%synergy
Mystic Sanctuary
10%inclusion4 decks40 decks
-1%synergy
Archway of Innovation
7.7%inclusion3 decks39 decks
4%synergy
Urza's Factory
7.5%inclusion3 decks40 decks
7%synergy
Oboro, Palace in the Clouds
7.5%inclusion3 decks40 decks
7%synergy
City of Traitors
7.5%inclusion3 decks40 decks
6%synergy
Lotus Field
7.5%inclusion3 decks40 decks
6%synergy
Emergence Zone
7.5%inclusion3 decks40 decks
5%synergy
Maze of Ith
7.5%inclusion3 decks40 decks
5%synergy
Nykthos, Shrine to Nyx
7.5%inclusion3 decks40 decks
2%synergy
Mana Artifacts
Sol Ring
95%inclusion38 decks40 decks
11%synergy
Basalt Monolith
75%inclusion30 decks40 decks
73%synergy
Mox Opal
65%inclusion26 decks40 decks
61%synergy
Arcane Signet
55%inclusion22 decks40 decks
-17%synergy
Chromatic Orrery
43%inclusion17 decks40 decks
41%synergy
Thran Dynamo
43%inclusion17 decks40 decks
38%synergy
Lotus Petal
43%inclusion17 decks40 decks
35%synergy
Gilded Lotus
38%inclusion15 decks40 decks
35%synergy
Everflowing Chalice
33%inclusion13 decks40 decks
28%synergy
Liquimetal Torque
28%inclusion11 decks40 decks
25%synergy
Azorius Signet
25%inclusion3 decks12 decks
4%synergy
Mox Diamond
23%inclusion9 decks40 decks
18%synergy
Fellwar Stone
18%inclusion7 decks40 decks
-3%synergy
The Eternity Elevator
16%inclusion3 decks19 decks
14%synergy
Thought Vessel
15%inclusion6 decks40 decks
-2%synergy
Crystal Skull, Isu Spyglass
13%inclusion5 decks38 decks
11%synergy
Extraplanar Lens
13%inclusion5 decks40 decks
12%synergy
Mox Amber
13%inclusion5 decks40 decks
8%synergy
Chromatic Lantern
13%inclusion5 decks40 decks
4%synergy
The Mightstone and Weakstone
10%inclusion4 decks40 decks
9%synergy
Mind Stone
10%inclusion4 decks40 decks
-5%synergy
Empowered Autogenerator
7.5%inclusion3 decks40 decks
7%synergy
Paradise Mantle
7.5%inclusion3 decks40 decks
7%synergy
Darksteel Ingot
7.5%inclusion3 decks40 decks
7%synergy
Dreamstone Hedron
7.5%inclusion3 decks40 decks
7%synergy
Nyx Lotus
7.5%inclusion3 decks40 decks
6%synergy
Coveted Jewel
7.5%inclusion3 decks40 decks
6%synergy
Caged Sun
7.5%inclusion3 decks40 decks
6%synergy
Mana Crypt
7.5%inclusion3 decks40 decks
6%synergy
Worn Powerstone
7.5%inclusion3 decks40 decks
5%synergy
Lands
Hallowed Fountain
67%inclusion8 decks12 decks
27%synergy
Watery Grave
56%inclusion5 decks9 decks
14%synergy
Breeding Pool
50%inclusion3 decks6 decks
8%synergy
Tundra
42%inclusion5 decks12 decks
28%synergy
Command Tower
38%inclusion15 decks40 decks
-37%synergy
Glacial Fortress
33%inclusion4 decks12 decks
1%synergy
Prairie Stream
33%inclusion4 decks12 decks
0%synergy
Razortide Bridge
25%inclusion3 decks12 decks
18%synergy
The Mycosynth Gardens
23%inclusion9 decks40 decks
21%synergy
Flooded Strand
23%inclusion9 decks40 decks
11%synergy
Polluted Delta
23%inclusion9 decks40 decks
10%synergy
Scalding Tarn
20%inclusion8 decks40 decks
9%synergy
Urza's Cave
15%inclusion6 decks40 decks
12%synergy
Gemstone Caverns
15%inclusion6 decks40 decks
10%synergy
Misty Rainforest
15%inclusion6 decks40 decks
4%synergy
Spire of Industry
13%inclusion5 decks40 decks
9%synergy
Marsh Flats
13%inclusion5 decks40 decks
2%synergy
Windswept Heath
13%inclusion5 decks40 decks
2%synergy
Exotic Orchard
13%inclusion5 decks40 decks
-24%synergy
City of Brass
10%inclusion4 decks40 decks
3%synergy
Bloodstained Mire
10%inclusion4 decks40 decks
-1%synergy
Hall of Tagsin
7.5%inclusion3 decks40 decks
7%synergy
Planar Nexus
7.5%inclusion3 decks40 decks
7%synergy
Reflecting Pool
7.5%inclusion3 decks40 decks
2%synergy
Cavern of Souls
7.5%inclusion3 decks40 decks
0%synergy
Arid Mesa
7.5%inclusion3 decks40 decks
-3%synergy
Wooded Foothills
7.5%inclusion3 decks40 decks
-3%synergy
Verdant Catacombs
7.5%inclusion3 decks40 decks
-3%synergy