Karumonix, the Rat King (Commander) - Expensive Optimized

Karumonix, the Rat King
Rank #409
8decks
As CommanderAs CardAverage DeckDecks
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5
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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
88%inclusion7 decks8 decks
82%synergy
Marrow-Gnawer
75%inclusion6 decks8 decks
72%synergy
Ashcoat of the Shadow Swarm
75%inclusion6 decks8 decks
71%synergy
Piper of the Swarm
75%inclusion6 decks8 decks
68%synergy
Ichor Rats
63%inclusion5 decks8 decks
60%synergy
Blightbelly Rat
63%inclusion5 decks8 decks
59%synergy
Thrumming Stone
63%inclusion5 decks8 decks
58%synergy
Urborg, Tomb of Yawgmoth
88%inclusion7 decks8 decks
50%synergy
Phyresis Outbreak
50%inclusion4 decks8 decks
48%synergy
Necrogen Communion
50%inclusion4 decks8 decks
48%synergy
Top Cards
Dark Ritual
100%inclusion8 decks8 decks
33%synergy
Deadly Rollick
63%inclusion5 decks8 decks
37%synergy
Ogre Slumlord
50%inclusion4 decks8 decks
40%synergy
Vraska's Fall
50%inclusion4 decks8 decks
47%synergy
Ayara, First of Locthwain
50%inclusion4 decks8 decks
25%synergy
Cabal Ritual
50%inclusion4 decks8 decks
31%synergy
Bontu's Monument
50%inclusion4 decks8 decks
22%synergy
Ratcatcher
50%inclusion4 decks8 decks
47%synergy
Jet Medallion
50%inclusion4 decks8 decks
-12%synergy
Drown in Ichor
50%inclusion4 decks8 decks
46%synergy
Game Changers
Demonic Tutor
100%inclusion8 decks8 decks
73%synergy
Vampiric Tutor
100%inclusion8 decks8 decks
79%synergy
Imperial Seal
88%inclusion7 decks8 decks
81%synergy
Chrome Mox
75%inclusion6 decks8 decks
69%synergy
Mox Diamond
75%inclusion6 decks8 decks
71%synergy
Ancient Tomb
63%inclusion5 decks8 decks
51%synergy
Bolas's Citadel
63%inclusion5 decks8 decks
34%synergy
Mana Vault
50%inclusion4 decks8 decks
43%synergy
The One Ring
38%inclusion3 decks8 decks
28%synergy
Opposition Agent
25%inclusion2 decks8 decks
16%synergy
Creatures
Rat Colony
50%inclusion4 decks8 decks
44%synergy
Lord Skitter, Sewer King
50%inclusion4 decks8 decks
42%synergy
Crypt Rats
38%inclusion3 decks8 decks
33%synergy
Lord Skitter's Butcher
38%inclusion3 decks8 decks
34%synergy
Pack Rat
38%inclusion3 decks8 decks
32%synergy
Locust Miser
38%inclusion3 decks8 decks
36%synergy
Wave of Rats
38%inclusion3 decks8 decks
36%synergy
Gnat Miser
38%inclusion3 decks8 decks
35%synergy
Nashi, Moon Sage's Scion
38%inclusion3 decks8 decks
34%synergy
Rancid Rats
38%inclusion3 decks8 decks
35%synergy
Relentless Rats
25%inclusion2 decks8 decks
23%synergy
Crashing Drawbridge
25%inclusion2 decks8 decks
23%synergy
Ruthless Radrat
25%inclusion2 decks8 decks
24%synergy
Tangled Colony
25%inclusion2 decks8 decks
22%synergy
Throat Slitter
25%inclusion2 decks8 decks
23%synergy
Chittering Skitterling
25%inclusion2 decks8 decks
24%synergy
Chittering Witch
25%inclusion2 decks8 decks
21%synergy
Voracious Vermin
25%inclusion2 decks8 decks
22%synergy
Nezumi Prowler
25%inclusion2 decks8 decks
24%synergy
Pestilence Rats
25%inclusion2 decks8 decks
23%synergy
Septic Rats
25%inclusion2 decks8 decks
23%synergy
Orcish Bowmasters
25%inclusion2 decks8 decks
12%synergy
Dauthi Voidwalker
25%inclusion2 decks8 decks
9%synergy
Rat King, Pale Piper
25%inclusion1 decks4 decks
21%synergy
Hoarding Broodlord
13%inclusion1 decks8 decks
8%synergy
Burglar Rat
13%inclusion1 decks8 decks
2%synergy
Ravenous Rats
13%inclusion1 decks8 decks
11%synergy
Blood Artist
13%inclusion1 decks8 decks
-19%synergy
Sheoldred, the Apocalypse
13%inclusion1 decks8 decks
-2%synergy
Roaming Throne
13%inclusion1 decks8 decks
9%synergy
Defiler of Flesh
13%inclusion1 decks8 decks
9%synergy
Nezumi Bladeblesser
13%inclusion1 decks8 decks
12%synergy
Ophiomancer
13%inclusion1 decks8 decks
-5%synergy
Ink-Eyes, Servant of Oni
13%inclusion1 decks8 decks
9%synergy
Myr Convert
13%inclusion1 decks8 decks
12%synergy
Boggart Trawler
13%inclusion1 decks8 decks
3%synergy
Zulaport Cutthroat
13%inclusion1 decks8 decks
-11%synergy
Persistent Marshstalker
13%inclusion1 decks8 decks
10%synergy
Mogis's Marauder
13%inclusion1 decks8 decks
12%synergy
Swarm of Rats
13%inclusion1 decks8 decks
10%synergy
Bilious Skulldweller
13%inclusion1 decks8 decks
11%synergy
Valley Rotcaller
13%inclusion1 decks8 decks
10%synergy
Twisted Sewer-Witch
13%inclusion1 decks8 decks
11%synergy
Ossuary Rats
13%inclusion1 decks8 decks
12%synergy
Crypt Ghast
13%inclusion1 decks8 decks
-34%synergy
Changeling Outcast
13%inclusion1 decks8 decks
8%synergy
Sheoldred's Headcleaver
13%inclusion1 decks8 decks
12%synergy
Vraan, Executioner Thane
13%inclusion1 decks8 decks
10%synergy
Terror of Towashi
13%inclusion1 decks8 decks
12%synergy
Nimraiser Paladin
13%inclusion1 decks8 decks
12%synergy
Instants
Culling the Weak
38%inclusion3 decks8 decks
19%synergy
Whisper of the Dross
25%inclusion2 decks8 decks
22%synergy
Go for the Throat
25%inclusion2 decks8 decks
3%synergy
Village Rites
25%inclusion2 decks8 decks
-1%synergy
Ad Nauseam
25%inclusion2 decks8 decks
22%synergy
Force of Despair
13%inclusion1 decks8 decks
5%synergy
Entomb
13%inclusion1 decks8 decks
-0%synergy
Imp's Mischief
13%inclusion1 decks8 decks
-13%synergy
Snuff Out
13%inclusion1 decks8 decks
-1%synergy
Songs of the Damned
13%inclusion1 decks8 decks
7%synergy
Wring Flesh
13%inclusion1 decks8 decks
12%synergy
Defile
13%inclusion1 decks8 decks
-23%synergy
Extinguish the Light
13%inclusion1 decks8 decks
12%synergy
Murder
13%inclusion1 decks8 decks
3%synergy
Infernal Grasp
13%inclusion1 decks8 decks
-13%synergy
Foul-Tongue Shriek
13%inclusion1 decks8 decks
11%synergy
Unseal the Necropolis
13%inclusion1 decks8 decks
11%synergy
Corrupted Conviction
13%inclusion1 decks8 decks
0%synergy
Offer Immortality
13%inclusion1 decks8 decks
11%synergy
Saw in Half
13%inclusion1 decks8 decks
4%synergy
Tragic Slip
13%inclusion1 decks8 decks
-6%synergy
Dismember
13%inclusion1 decks8 decks
2%synergy
Sorceries
Grim Tutor
50%inclusion4 decks8 decks
39%synergy
Infectious Inquiry
38%inclusion3 decks8 decks
35%synergy
Reanimate
38%inclusion3 decks8 decks
-3%synergy
Kindred Dominance
38%inclusion3 decks8 decks
33%synergy
Diabolic Intent
25%inclusion2 decks8 decks
10%synergy
Diabolic Tutor
25%inclusion2 decks8 decks
11%synergy
Revenge of the Rats
25%inclusion2 decks8 decks
22%synergy
Feed the Swarm
25%inclusion2 decks8 decks
-25%synergy
Plague of Vermin
25%inclusion2 decks8 decks
23%synergy
Day of Black Sun
25%inclusion1 decks4 decks
24%synergy
Bloodline Bidding
25%inclusion1 decks4 decks
21%synergy
Strategic Betrayal
14%inclusion1 decks7 decks
14%synergy
Demogorgon's Clutches
13%inclusion1 decks8 decks
12%synergy
Bone Splinters
13%inclusion1 decks8 decks
11%synergy
Victimize
13%inclusion1 decks8 decks
-15%synergy
Patriarch's Bidding
13%inclusion1 decks8 decks
9%synergy
Profane Tutor
13%inclusion1 decks8 decks
8%synergy
Forever Young
13%inclusion1 decks8 decks
11%synergy
Feed the Infection
13%inclusion1 decks8 decks
12%synergy
Swarmyard Massacre
13%inclusion1 decks8 decks
10%synergy
Sinkhole
13%inclusion1 decks8 decks
12%synergy
Read the Bones
13%inclusion1 decks8 decks
-3%synergy
Mutilate
13%inclusion1 decks8 decks
-3%synergy
Night's Whisper
13%inclusion1 decks8 decks
-13%synergy
Caress of Phyrexia
13%inclusion1 decks8 decks
12%synergy
Living Death
13%inclusion1 decks8 decks
2%synergy
Toxic Deluge
13%inclusion1 decks8 decks
-24%synergy
Sign in Blood
13%inclusion1 decks8 decks
-22%synergy
Damnation
13%inclusion1 decks8 decks
-8%synergy
Rise of the Dark Realms
13%inclusion1 decks8 decks
-1%synergy
Crippling Fear
13%inclusion1 decks8 decks
10%synergy
Secret Salvage
13%inclusion1 decks8 decks
11%synergy
Utility Artifacts
Sensei's Divining Top
25%inclusion2 decks8 decks
17%synergy
Contagion Clasp
25%inclusion2 decks8 decks
23%synergy
Ashnod's Altar
25%inclusion2 decks8 decks
5%synergy
Aetherflux Reservoir
25%inclusion2 decks8 decks
16%synergy
Vanquisher's Banner
25%inclusion2 decks8 decks
21%synergy
Herald's Horn
25%inclusion2 decks8 decks
19%synergy
Chronicle of Victory
25%inclusion1 decks4 decks
22%synergy
The Darkness Crystal
14%inclusion1 decks7 decks
-6%synergy
Defense Grid
13%inclusion1 decks8 decks
10%synergy
Cloud Key
13%inclusion1 decks8 decks
11%synergy
Contagion Engine
13%inclusion1 decks8 decks
11%synergy
Coat of Arms
13%inclusion1 decks8 decks
10%synergy
Lavaspur Boots
13%inclusion1 decks8 decks
11%synergy
Skullclamp
13%inclusion1 decks8 decks
-10%synergy
Nim Deathmantle
13%inclusion1 decks8 decks
10%synergy
Prosthetic Injector
13%inclusion1 decks8 decks
12%synergy
Banner of Kinship
13%inclusion1 decks8 decks
10%synergy
Phyrexian Altar
13%inclusion1 decks8 decks
-1%synergy
Akroma's Memorial
13%inclusion1 decks8 decks
12%synergy
Door of Destinies
13%inclusion1 decks8 decks
10%synergy
Manascape Refractor
13%inclusion1 decks8 decks
12%synergy
Nihil Spellbomb
13%inclusion1 decks8 decks
12%synergy
Altar of the Brood
13%inclusion1 decks8 decks
11%synergy
Swiftfoot Boots
13%inclusion1 decks8 decks
-19%synergy
Lightning Greaves
13%inclusion1 decks8 decks
-21%synergy
Sword of the Paruns
13%inclusion1 decks8 decks
12%synergy
Thornbite Staff
13%inclusion1 decks8 decks
10%synergy
Enchantments
Animate Dead
38%inclusion3 decks8 decks
20%synergy
Phyrexian Arena
38%inclusion3 decks8 decks
-2%synergy
Black Market
25%inclusion2 decks8 decks
5%synergy
Grave Pact
25%inclusion2 decks8 decks
6%synergy
Cover of Darkness
25%inclusion2 decks8 decks
22%synergy
Waste Not
13%inclusion1 decks8 decks
2%synergy
The Meathook Massacre
13%inclusion1 decks8 decks
-5%synergy
Contamination
13%inclusion1 decks8 decks
9%synergy
Glistening Oil
13%inclusion1 decks8 decks
12%synergy
Haunted One
13%inclusion1 decks8 decks
10%synergy
Tribute to Horobi
13%inclusion1 decks8 decks
12%synergy
Phyresis
13%inclusion1 decks8 decks
10%synergy
Carnival of Souls
13%inclusion1 decks8 decks
11%synergy
No Mercy
13%inclusion1 decks8 decks
5%synergy
Black Market Connections
13%inclusion1 decks8 decks
-13%synergy
Oversold Cemetery
13%inclusion1 decks8 decks
7%synergy
Bitterblossom
13%inclusion1 decks8 decks
-1%synergy
Bad Moon
13%inclusion1 decks8 decks
9%synergy
Planeswalkers
Vraska, Betrayal's Sting
38%inclusion3 decks8 decks
35%synergy
Karn, the Great Creator
13%inclusion1 decks8 decks
12%synergy
Utility Lands
Cabal Coffers
75%inclusion6 decks8 decks
20%synergy
Bojuka Bog
63%inclusion5 decks8 decks
15%synergy
Nykthos, Shrine to Nyx
63%inclusion5 decks8 decks
33%synergy
Phyrexian Tower
50%inclusion4 decks8 decks
24%synergy
Karn's Bastion
50%inclusion4 decks8 decks
46%synergy
Mudflat Village
50%inclusion4 decks8 decks
47%synergy
Cabal Stronghold
38%inclusion3 decks8 decks
4%synergy
Three Tree City
38%inclusion3 decks8 decks
33%synergy
Takenuma, Abandoned Mire
25%inclusion2 decks8 decks
9%synergy
Mishra's Workshop
25%inclusion2 decks8 decks
25%synergy
Castle Locthwain
25%inclusion2 decks8 decks
8%synergy
Reliquary Tower
25%inclusion2 decks8 decks
-4%synergy
Strip Mine
25%inclusion2 decks8 decks
22%synergy
Realm of Koh
25%inclusion1 decks4 decks
22%synergy
Westvale Abbey
13%inclusion1 decks8 decks
6%synergy
Witch's Clinic
13%inclusion1 decks8 decks
11%synergy
Mortuary Mire
13%inclusion1 decks8 decks
-0%synergy
Barren Moor
13%inclusion1 decks8 decks
3%synergy
Boseiju, Who Shelters All
13%inclusion1 decks8 decks
11%synergy
Vesuva
13%inclusion1 decks8 decks
10%synergy
Urza's Saga
13%inclusion1 decks8 decks
4%synergy
Crypt of Agadeem
13%inclusion1 decks8 decks
1%synergy
Witch's Cottage
13%inclusion1 decks8 decks
-12%synergy
Volrath's Stronghold
13%inclusion1 decks8 decks
9%synergy
Emergence Zone
13%inclusion1 decks8 decks
9%synergy
The Dross Pits
13%inclusion1 decks8 decks
11%synergy
Peat Bog
13%inclusion1 decks8 decks
10%synergy
Terrain Generator
13%inclusion1 decks8 decks
11%synergy
Field of the Dead
13%inclusion1 decks8 decks
11%synergy
Lake of the Dead
13%inclusion1 decks8 decks
7%synergy
Dark Depths
13%inclusion1 decks8 decks
12%synergy
Dakmor Salvage
13%inclusion1 decks8 decks
11%synergy
Rogue's Passage
13%inclusion1 decks8 decks
-7%synergy
Mana Artifacts
Sol Ring
88%inclusion7 decks8 decks
2%synergy
Arcane Signet
75%inclusion6 decks8 decks
14%synergy
Glistening Sphere
38%inclusion3 decks8 decks
36%synergy
Lotus Petal
38%inclusion3 decks8 decks
30%synergy
Caged Sun
13%inclusion1 decks8 decks
2%synergy
Staff of Compleation
13%inclusion1 decks8 decks
11%synergy
Charcoal Diamond
13%inclusion1 decks8 decks
-9%synergy
Patchwork Banner
13%inclusion1 decks8 decks
8%synergy
Throne of Eldraine
13%inclusion1 decks8 decks
3%synergy
Basalt Monolith
13%inclusion1 decks8 decks
11%synergy
Mox Amber
13%inclusion1 decks8 decks
8%synergy
Skull of Ramos
13%inclusion1 decks8 decks
12%synergy
Phyrexian Atlas
13%inclusion1 decks8 decks
12%synergy
Mox Opal
13%inclusion1 decks8 decks
9%synergy
Lands
Swamp
88%inclusion7 decks8 decks
-8%synergy
Cavern of Souls
50%inclusion4 decks8 decks
43%synergy
Gemstone Caverns
38%inclusion3 decks8 decks
33%synergy
Command Tower
25%inclusion2 decks8 decks
19%synergy
Path of Ancestry
25%inclusion2 decks8 decks
20%synergy
Snow-Covered Swamp
25%inclusion2 decks8 decks
19%synergy
Exotic Orchard
13%inclusion1 decks8 decks
11%synergy
Unclaimed Territory
13%inclusion1 decks8 decks
12%synergy
Reflecting Pool
13%inclusion1 decks8 decks
12%synergy
Boggart Trawler
13%inclusion1 decks8 decks
3%synergy
Demolition Field
13%inclusion1 decks8 decks
7%synergy
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