Karumonix, the Rat King (Commander) - Expensive Optimized

Karumonix, the Rat King
Rank #390
7decks
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Chris Guest
Aug 7, 2025
Chris Guest
The Top 40 Monocolored Commanders
What are the most popular monocolored commanders of all time? Let's look at the 40 most played, according to EDHREC.
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Swarmyard
100%inclusion7 decks7 decks
94%synergy
Marrow-Gnawer
86%inclusion6 decks7 decks
82%synergy
Ashcoat of the Shadow Swarm
86%inclusion6 decks7 decks
82%synergy
Piper of the Swarm
86%inclusion6 decks7 decks
79%synergy
Ichor Rats
71%inclusion5 decks7 decks
68%synergy
Ratcatcher
71%inclusion5 decks7 decks
68%synergy
Blightbelly Rat
71%inclusion5 decks7 decks
68%synergy
Thrumming Stone
71%inclusion5 decks7 decks
67%synergy
Urborg, Tomb of Yawgmoth
100%inclusion7 decks7 decks
62%synergy
Ogre Slumlord
71%inclusion5 decks7 decks
61%synergy
Top Cards
Dark Ritual
100%inclusion7 decks7 decks
33%synergy
Deadly Rollick
71%inclusion5 decks7 decks
47%synergy
Diabolic Intent
57%inclusion4 decks7 decks
42%synergy
Phyresis Outbreak
57%inclusion4 decks7 decks
55%synergy
Phyrexian Arena
57%inclusion4 decks7 decks
18%synergy
Lord Skitter, Sewer King
57%inclusion4 decks7 decks
49%synergy
Rat Colony
57%inclusion4 decks7 decks
52%synergy
Bontu's Monument
57%inclusion4 decks7 decks
29%synergy
Jet Medallion
57%inclusion4 decks7 decks
-5%synergy
Grim Tutor
57%inclusion4 decks7 decks
46%synergy
Game Changers
Demonic Tutor
100%inclusion7 decks7 decks
73%synergy
Vampiric Tutor
100%inclusion7 decks7 decks
79%synergy
Imperial Seal
86%inclusion6 decks7 decks
79%synergy
Ancient Tomb
71%inclusion5 decks7 decks
60%synergy
Mana Vault
71%inclusion5 decks7 decks
65%synergy
Chrome Mox
71%inclusion5 decks7 decks
65%synergy
Bolas's Citadel
57%inclusion4 decks7 decks
29%synergy
Mox Diamond
57%inclusion4 decks7 decks
53%synergy
Opposition Agent
29%inclusion2 decks7 decks
19%synergy
Grim Monolith
29%inclusion2 decks7 decks
26%synergy
Creatures
Ayara, First of Locthwain
43%inclusion3 decks7 decks
17%synergy
Pack Rat
43%inclusion3 decks7 decks
37%synergy
Lord Skitter's Butcher
43%inclusion3 decks7 decks
40%synergy
Nashi, Moon Sage's Scion
43%inclusion3 decks7 decks
39%synergy
Relentless Rats
29%inclusion2 decks7 decks
27%synergy
Tangled Colony
29%inclusion2 decks7 decks
25%synergy
Locust Miser
29%inclusion2 decks7 decks
27%synergy
Chittering Witch
29%inclusion2 decks7 decks
24%synergy
Gnat Miser
29%inclusion2 decks7 decks
26%synergy
Dauthi Voidwalker
29%inclusion2 decks7 decks
13%synergy
Crypt Rats
14%inclusion1 decks7 decks
10%synergy
Hoarding Broodlord
14%inclusion1 decks7 decks
10%synergy
Blood Artist
14%inclusion1 decks7 decks
-18%synergy
Crashing Drawbridge
14%inclusion1 decks7 decks
12%synergy
Ruthless Radrat
14%inclusion1 decks7 decks
13%synergy
Sheoldred, the Apocalypse
14%inclusion1 decks7 decks
0%synergy
Defiler of Flesh
14%inclusion1 decks7 decks
10%synergy
Ophiomancer
14%inclusion1 decks7 decks
-3%synergy
Roaming Throne
14%inclusion1 decks7 decks
11%synergy
Zulaport Cutthroat
14%inclusion1 decks7 decks
-9%synergy
Mogis's Marauder
14%inclusion1 decks7 decks
13%synergy
Voracious Vermin
14%inclusion1 decks7 decks
11%synergy
Sheoldred, Whispering One
14%inclusion1 decks7 decks
3%synergy
Twisted Sewer-Witch
14%inclusion1 decks7 decks
13%synergy
Throat Slitter
14%inclusion1 decks7 decks
12%synergy
Yawgmoth, Thran Physician
14%inclusion1 decks7 decks
4%synergy
Crypt Ghast
14%inclusion1 decks7 decks
-33%synergy
Changeling Outcast
14%inclusion1 decks7 decks
9%synergy
Soul of New Phyrexia
14%inclusion1 decks7 decks
14%synergy
Septic Rats
14%inclusion1 decks7 decks
12%synergy
K'rrik, Son of Yawgmoth
14%inclusion1 decks7 decks
-5%synergy
Wave of Rats
14%inclusion1 decks7 decks
12%synergy
Skithiryx, the Blight Dragon
14%inclusion1 decks7 decks
13%synergy
Rancid Rats
14%inclusion1 decks7 decks
12%synergy
Orcish Bowmasters
14%inclusion1 decks7 decks
1%synergy
Old Flitterfang
14%inclusion1 decks7 decks
13%synergy
Nezumi Bone-Reader
14%inclusion1 decks7 decks
13%synergy
Instants
Vraska's Fall
43%inclusion3 decks7 decks
40%synergy
Culling the Weak
43%inclusion3 decks7 decks
26%synergy
Defile
29%inclusion2 decks7 decks
-8%synergy
Imp's Mischief
29%inclusion2 decks7 decks
4%synergy
Village Rites
29%inclusion2 decks7 decks
3%synergy
Cabal Ritual
29%inclusion2 decks7 decks
10%synergy
Ad Nauseam
29%inclusion2 decks7 decks
26%synergy
Force of Despair
14%inclusion1 decks7 decks
7%synergy
Whisper of the Dross
14%inclusion1 decks7 decks
12%synergy
Entomb
14%inclusion1 decks7 decks
2%synergy
Deadly Dispute
14%inclusion1 decks7 decks
-12%synergy
Foul-Tongue Shriek
14%inclusion1 decks7 decks
12%synergy
Malakir Rebirth
14%inclusion1 decks7 decks
-9%synergy
Corrupted Conviction
14%inclusion1 decks7 decks
2%synergy
Nasty End
14%inclusion1 decks7 decks
11%synergy
Murder
14%inclusion1 decks7 decks
4%synergy
Infernal Grasp
14%inclusion1 decks7 decks
-11%synergy
Saw in Half
14%inclusion1 decks7 decks
6%synergy
Tragic Slip
14%inclusion1 decks7 decks
-5%synergy
Sorceries
Day of Black Sun
100%inclusion1 decks1 decks
98%synergy
Bloodline Bidding
100%inclusion1 decks1 decks
96%synergy
Kindred Dominance
43%inclusion3 decks7 decks
38%synergy
Drown in Ichor
43%inclusion3 decks7 decks
39%synergy
Reanimate
43%inclusion3 decks7 decks
3%synergy
Infectious Inquiry
29%inclusion2 decks7 decks
26%synergy
Toxic Deluge
29%inclusion2 decks7 decks
-8%synergy
Plague of Vermin
29%inclusion2 decks7 decks
26%synergy
Diabolic Tutor
14%inclusion1 decks7 decks
0%synergy
Victimize
14%inclusion1 decks7 decks
-13%synergy
Revenge of the Rats
14%inclusion1 decks7 decks
11%synergy
Feed the Infection
14%inclusion1 decks7 decks
14%synergy
Torment of Hailfire
14%inclusion1 decks7 decks
-1%synergy
Forever Young
14%inclusion1 decks7 decks
13%synergy
Feed the Swarm
14%inclusion1 decks7 decks
-36%synergy
Sinkhole
14%inclusion1 decks7 decks
14%synergy
Night's Whisper
14%inclusion1 decks7 decks
-10%synergy
Caress of Phyrexia
14%inclusion1 decks7 decks
14%synergy
Living Death
14%inclusion1 decks7 decks
4%synergy
Echoing Return
14%inclusion1 decks7 decks
11%synergy
Read the Bones
14%inclusion1 decks7 decks
-2%synergy
Mutilate
14%inclusion1 decks7 decks
-2%synergy
Sign in Blood
14%inclusion1 decks7 decks
-21%synergy
Damnation
14%inclusion1 decks7 decks
-6%synergy
Rise of the Dark Realms
14%inclusion1 decks7 decks
1%synergy
Secret Salvage
14%inclusion1 decks7 decks
13%synergy
Utility Artifacts
Chronicle of Victory
100%inclusion1 decks1 decks
97%synergy
Sensei's Divining Top
29%inclusion2 decks7 decks
21%synergy
The One Ring
29%inclusion2 decks7 decks
19%synergy
Aetherflux Reservoir
29%inclusion2 decks7 decks
19%synergy
Skullclamp
29%inclusion2 decks7 decks
6%synergy
Vanquisher's Banner
29%inclusion2 decks7 decks
25%synergy
Herald's Horn
29%inclusion2 decks7 decks
23%synergy
Lightning Greaves
29%inclusion2 decks7 decks
-5%synergy
Swiftfoot Boots
29%inclusion2 decks7 decks
-3%synergy
The Darkness Crystal
20%inclusion1 decks5 decks
0%synergy
Cloud Key
14%inclusion1 decks7 decks
13%synergy
Oblivion Stone
14%inclusion1 decks7 decks
14%synergy
Wayfarer's Bauble
14%inclusion1 decks7 decks
-1%synergy
Defense Grid
14%inclusion1 decks7 decks
12%synergy
Contagion Clasp
14%inclusion1 decks7 decks
12%synergy
Contagion Engine
14%inclusion1 decks7 decks
12%synergy
Ashnod's Altar
14%inclusion1 decks7 decks
-6%synergy
Coat of Arms
14%inclusion1 decks7 decks
12%synergy
Nim Deathmantle
14%inclusion1 decks7 decks
11%synergy
Shadowspear
14%inclusion1 decks7 decks
10%synergy
Banner of Kinship
14%inclusion1 decks7 decks
12%synergy
Door of Destinies
14%inclusion1 decks7 decks
12%synergy
Tarrian's Journal
14%inclusion1 decks7 decks
13%synergy
Altar of the Brood
14%inclusion1 decks7 decks
12%synergy
Thornbite Staff
14%inclusion1 decks7 decks
11%synergy
Grafted Exoskeleton
14%inclusion1 decks7 decks
13%synergy
Basilisk Collar
14%inclusion1 decks7 decks
11%synergy
Sword of the Paruns
14%inclusion1 decks7 decks
14%synergy
Enchantments
Animate Dead
43%inclusion3 decks7 decks
26%synergy
The Meathook Massacre
29%inclusion2 decks7 decks
11%synergy
Black Market
29%inclusion2 decks7 decks
8%synergy
Contamination
29%inclusion2 decks7 decks
25%synergy
Grave Pact
29%inclusion2 decks7 decks
9%synergy
Oversold Cemetery
29%inclusion2 decks7 decks
23%synergy
Black Market Connections
29%inclusion2 decks7 decks
5%synergy
Necrogen Communion
29%inclusion2 decks7 decks
27%synergy
Haunted One
14%inclusion1 decks7 decks
12%synergy
Dictate of Erebos
14%inclusion1 decks7 decks
3%synergy
Phyresis
14%inclusion1 decks7 decks
12%synergy
Carnival of Souls
14%inclusion1 decks7 decks
13%synergy
Case of the Stashed Skeleton
14%inclusion1 decks7 decks
12%synergy
Tribute to Horobi
14%inclusion1 decks7 decks
13%synergy
Bitterblossom
14%inclusion1 decks7 decks
1%synergy
Bad Moon
14%inclusion1 decks7 decks
11%synergy
No Mercy
14%inclusion1 decks7 decks
7%synergy
Cover of Darkness
14%inclusion1 decks7 decks
11%synergy
Planeswalkers
Vraska, Betrayal's Sting
43%inclusion3 decks7 decks
40%synergy
Ugin, the Spirit Dragon
14%inclusion1 decks7 decks
14%synergy
Karn, the Great Creator
14%inclusion1 decks7 decks
14%synergy
Utility Lands
Realm of Koh
100%inclusion1 decks1 decks
97%synergy
Cabal Coffers
86%inclusion6 decks7 decks
31%synergy
Bojuka Bog
71%inclusion5 decks7 decks
24%synergy
Phyrexian Tower
57%inclusion4 decks7 decks
32%synergy
Nykthos, Shrine to Nyx
43%inclusion3 decks7 decks
13%synergy
Karn's Bastion
43%inclusion3 decks7 decks
39%synergy
Mudflat Village
43%inclusion3 decks7 decks
40%synergy
Three Tree City
43%inclusion3 decks7 decks
38%synergy
Cabal Stronghold
29%inclusion2 decks7 decks
-6%synergy
Witch's Cottage
29%inclusion2 decks7 decks
4%synergy
Takenuma, Abandoned Mire
29%inclusion2 decks7 decks
13%synergy
Castle Locthwain
29%inclusion2 decks7 decks
12%synergy
Volrath's Stronghold
29%inclusion2 decks7 decks
25%synergy
Mortuary Mire
14%inclusion1 decks7 decks
1%synergy
Barren Moor
14%inclusion1 decks7 decks
5%synergy
Buried Ruin
14%inclusion1 decks7 decks
9%synergy
Boseiju, Who Shelters All
14%inclusion1 decks7 decks
13%synergy
Vesuva
14%inclusion1 decks7 decks
11%synergy
Urza's Saga
14%inclusion1 decks7 decks
6%synergy
Mutavault
14%inclusion1 decks7 decks
14%synergy
Emergence Zone
14%inclusion1 decks7 decks
11%synergy
Field of the Dead
14%inclusion1 decks7 decks
13%synergy
Reliquary Tower
14%inclusion1 decks7 decks
-16%synergy
Strip Mine
14%inclusion1 decks7 decks
11%synergy
Mana Artifacts
Sol Ring
86%inclusion6 decks7 decks
0%synergy
Arcane Signet
71%inclusion5 decks7 decks
10%synergy
Lotus Petal
29%inclusion2 decks7 decks
21%synergy
Caged Sun
14%inclusion1 decks7 decks
3%synergy
Staff of Compleation
14%inclusion1 decks7 decks
13%synergy
Glistening Sphere
14%inclusion1 decks7 decks
13%synergy
Patchwork Banner
14%inclusion1 decks7 decks
10%synergy
Mox Amber
14%inclusion1 decks7 decks
10%synergy
Throne of Eldraine
14%inclusion1 decks7 decks
5%synergy
Mox Opal
14%inclusion1 decks7 decks
11%synergy
Lands
Swamp
71%inclusion5 decks7 decks
-24%synergy
Cavern of Souls
43%inclusion3 decks7 decks
36%synergy
Path of Ancestry
29%inclusion2 decks7 decks
23%synergy
Snow-Covered Swamp
29%inclusion2 decks7 decks
22%synergy
Command Tower
14%inclusion1 decks7 decks
9%synergy
Myriad Landscape
14%inclusion1 decks7 decks
-11%synergy
Exotic Orchard
14%inclusion1 decks7 decks
13%synergy
Unclaimed Territory
14%inclusion1 decks7 decks
14%synergy
Malakir Rebirth
14%inclusion1 decks7 decks
-9%synergy
Reflecting Pool
14%inclusion1 decks7 decks
14%synergy
Gemstone Caverns
14%inclusion1 decks7 decks
10%synergy
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