Karumonix, the Rat King (Commander) - Optimized

Karumonix, the Rat King
Rank #383
68decks
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Background image for The Top 40 Monocolored Commanders
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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Rat King, Verminister
19%inclusion5 decks27 decks
16%synergy
Rat King, Pale Piper
18%inclusion3 decks17 decks
13%synergy
Big Apple, 3 a.m.
12%inclusion2 decks17 decks
10%synergy
Anchovy & Banana Pizza
5.9%inclusion1 decks17 decks
6%synergy
Pain 101
5.9%inclusion1 decks17 decks
5%synergy
High Synergy Cards
Marrow-Gnawer
88%inclusion60 decks68 decks
85%synergy
Piper of the Swarm
85%inclusion58 decks68 decks
78%synergy
Swarmyard
78%inclusion53 decks68 decks
72%synergy
Pack Rat
78%inclusion53 decks68 decks
72%synergy
Blightbelly Rat
75%inclusion51 decks68 decks
71%synergy
Ichor Rats
71%inclusion48 decks68 decks
68%synergy
Ogre Slumlord
76%inclusion52 decks68 decks
66%synergy
Rat Colony
65%inclusion44 decks68 decks
59%synergy
Lord Skitter, Sewer King
65%inclusion44 decks68 decks
56%synergy
Infectious Inquiry
53%inclusion36 decks68 decks
50%synergy
Top Cards
Dark Ritual
76%inclusion52 decks68 decks
10%synergy
Jet Medallion
63%inclusion43 decks68 decks
2%synergy
Bontu's Monument
59%inclusion40 decks68 decks
31%synergy
Vraska's Fall
53%inclusion36 decks68 decks
49%synergy
Ratcatcher
51%inclusion35 decks68 decks
48%synergy
Crypt Rats
50%inclusion34 decks68 decks
45%synergy
Ashcoat of the Shadow Swarm
50%inclusion34 decks68 decks
47%synergy
Phyrexian Arena
50%inclusion34 decks68 decks
10%synergy
Drown in Ichor
50%inclusion34 decks68 decks
46%synergy
Tangled Colony
49%inclusion33 decks68 decks
45%synergy
Game Changers
Demonic Tutor
57%inclusion39 decks68 decks
30%synergy
Vampiric Tutor
46%inclusion31 decks68 decks
25%synergy
Bolas's Citadel
31%inclusion21 decks68 decks
2%synergy
Imperial Seal
24%inclusion16 decks68 decks
17%synergy
Ancient Tomb
21%inclusion14 decks68 decks
9%synergy
Necropotence
16%inclusion11 decks68 decks
1%synergy
Mana Vault
15%inclusion10 decks68 decks
8%synergy
Chrome Mox
10%inclusion7 decks68 decks
4%synergy
Opposition Agent
7.4%inclusion5 decks68 decks
-2%synergy
Ad Nauseam
7.4%inclusion5 decks68 decks
5%synergy
Creatures
Rancid Rats
47%inclusion32 decks68 decks
44%synergy
Septic Rats
46%inclusion31 decks68 decks
44%synergy
Typhoid Rats
46%inclusion31 decks68 decks
42%synergy
Gnat Miser
44%inclusion30 decks68 decks
41%synergy
Lord Skitter's Butcher
40%inclusion27 decks68 decks
36%synergy
Chittering Witch
34%inclusion23 decks68 decks
29%synergy
Ayara, First of Locthwain
32%inclusion22 decks68 decks
7%synergy
Stronghold Rats
32%inclusion22 decks68 decks
28%synergy
Burglar Rat
29%inclusion20 decks68 decks
18%synergy
Locust Miser
29%inclusion20 decks68 decks
28%synergy
Ink-Eyes, Servant of Oni
28%inclusion19 decks68 decks
25%synergy
Swarm of Rats
28%inclusion19 decks68 decks
25%synergy
Voracious Vermin
28%inclusion19 decks68 decks
25%synergy
Chittering Skitterling
25%inclusion17 decks68 decks
24%synergy
Ruin Rat
25%inclusion17 decks68 decks
24%synergy
Wave of Rats
22%inclusion15 decks68 decks
20%synergy
Nashi, Moon Sage's Scion
22%inclusion15 decks68 decks
18%synergy
Persistent Marshstalker
21%inclusion14 decks68 decks
18%synergy
Pestilence Rats
21%inclusion14 decks68 decks
19%synergy
Species Specialist
18%inclusion12 decks68 decks
14%synergy
Valley Rotcaller
18%inclusion12 decks68 decks
15%synergy
Changeling Outcast
18%inclusion12 decks68 decks
12%synergy
Ravenous Rats
15%inclusion10 decks68 decks
13%synergy
Relentless Rats
15%inclusion10 decks68 decks
13%synergy
Filth
15%inclusion10 decks68 decks
12%synergy
Engine Rat
15%inclusion10 decks68 decks
13%synergy
Crypt Ghast
15%inclusion10 decks68 decks
-33%synergy
Nezumi Informant
15%inclusion10 decks68 decks
8%synergy
Throat Slitter
13%inclusion9 decks68 decks
11%synergy
Razortooth Rats
13%inclusion9 decks68 decks
13%synergy
Nezumi Cutthroat
13%inclusion9 decks68 decks
12%synergy
Skullsnatcher
13%inclusion9 decks68 decks
13%synergy
Twisted Sewer-Witch
13%inclusion9 decks68 decks
12%synergy
Drainpipe Vermin
13%inclusion9 decks68 decks
12%synergy
Blood Artist
12%inclusion8 decks68 decks
-20%synergy
Nezumi Prowler
12%inclusion8 decks68 decks
10%synergy
Yawgmoth, Thran Physician
12%inclusion8 decks68 decks
2%synergy
Old Flitterfang
12%inclusion8 decks68 decks
10%synergy
Gnawing Vermin
10%inclusion7 decks68 decks
9%synergy
Gray Merchant of Asphodel
10%inclusion7 decks68 decks
-41%synergy
Zodiac Rat
10%inclusion7 decks68 decks
10%synergy
Nezumi Bone-Reader
10%inclusion7 decks68 decks
9%synergy
Undercity Dire Rat
9.4%inclusion5 decks53 decks
8%synergy
Nezumi Graverobber
8.8%inclusion6 decks68 decks
7%synergy
Ruthless Radrat
8.8%inclusion6 decks68 decks
8%synergy
Scrib Nibblers
7.4%inclusion5 decks68 decks
7%synergy
Adaptive Automaton
7.4%inclusion5 decks68 decks
6%synergy
Plague Stinger
5.9%inclusion4 decks68 decks
5%synergy
Infected Vermin
5.9%inclusion4 decks68 decks
6%synergy
Crashing Drawbridge
5.9%inclusion4 decks68 decks
4%synergy
Instants
Whisper of the Dross
37%inclusion25 decks68 decks
34%synergy
Village Rites
34%inclusion23 decks68 decks
9%synergy
Go for the Throat
28%inclusion19 decks68 decks
5%synergy
Defile
28%inclusion19 decks68 decks
-9%synergy
Deadly Rollick
22%inclusion15 decks68 decks
-2%synergy
Deadly Dispute
21%inclusion14 decks68 decks
-5%synergy
Grim Affliction
19%inclusion13 decks68 decks
17%synergy
Tainted Strike
19%inclusion13 decks68 decks
16%synergy
Murder
18%inclusion12 decks68 decks
7%synergy
Culling the Weak
16%inclusion11 decks68 decks
1%synergy
Cabal Ritual
15%inclusion10 decks68 decks
-3%synergy
Tragic Slip
15%inclusion10 decks68 decks
-5%synergy
Rat Out
12%inclusion8 decks68 decks
10%synergy
Malakir Rebirth
12%inclusion8 decks68 decks
-11%synergy
Infernal Grasp
12%inclusion8 decks68 decks
-13%synergy
Imp's Mischief
10%inclusion7 decks68 decks
-14%synergy
Consuming Corruption
10%inclusion7 decks68 decks
-5%synergy
Virulent Wound
10%inclusion7 decks68 decks
10%synergy
Withering Torment
10%inclusion7 decks68 decks
-21%synergy
Entomb
8.8%inclusion6 decks68 decks
-3%synergy
Anoint with Affliction
8.8%inclusion6 decks68 decks
8%synergy
Withering Boon
8.8%inclusion6 decks68 decks
4%synergy
Sudden Spoiling
8.8%inclusion6 decks68 decks
0%synergy
Corrupted Conviction
8.8%inclusion6 decks68 decks
-4%synergy
Foul-Tongue Shriek
7.4%inclusion5 decks68 decks
5%synergy
Baleful Mastery
7.4%inclusion5 decks68 decks
-1%synergy
Archenemy's Charm
6.1%inclusion3 decks49 decks
-3%synergy
Fell the Profane
5.9%inclusion4 decks68 decks
-13%synergy
Snuff Out
5.9%inclusion4 decks68 decks
-7%synergy
Doom Blade
5.9%inclusion4 decks68 decks
-2%synergy
Sorceries
Phyresis Outbreak
46%inclusion31 decks68 decks
44%synergy
Feed the Swarm
29%inclusion20 decks68 decks
-21%synergy
Revenge of the Rats
28%inclusion19 decks68 decks
25%synergy
Diabolic Intent
25%inclusion17 decks68 decks
10%synergy
Kindred Dominance
25%inclusion17 decks68 decks
20%synergy
Toxic Deluge
24%inclusion16 decks68 decks
-13%synergy
Patriarch's Bidding
21%inclusion14 decks68 decks
16%synergy
Reanimate
21%inclusion14 decks68 decks
-19%synergy
Sign in Blood
21%inclusion14 decks68 decks
-15%synergy
Bloodline Bidding
20%inclusion6 decks30 decks
15%synergy
Vat Emergence
18%inclusion12 decks68 decks
16%synergy
Diabolic Tutor
18%inclusion12 decks68 decks
3%synergy
Plague of Vermin
18%inclusion12 decks68 decks
15%synergy
Damnation
16%inclusion11 decks68 decks
-4%synergy
Grim Tutor
16%inclusion11 decks68 decks
5%synergy
Night's Whisper
15%inclusion10 decks68 decks
-10%synergy
Spread the Sickness
13%inclusion9 decks68 decks
12%synergy
Swarmyard Massacre
13%inclusion9 decks68 decks
11%synergy
Crippling Fear
12%inclusion8 decks68 decks
9%synergy
Read the Bones
12%inclusion8 decks68 decks
-5%synergy
Echoing Return
10%inclusion7 decks68 decks
7%synergy
Caress of Phyrexia
10%inclusion7 decks68 decks
10%synergy
Torment of Hailfire
10%inclusion7 decks68 decks
-5%synergy
Gruesome Fate
10%inclusion7 decks68 decks
8%synergy
Victimize
8.8%inclusion6 decks68 decks
-18%synergy
Bubbling Muck
8.8%inclusion6 decks68 decks
-7%synergy
Unearth
7.4%inclusion5 decks68 decks
-1%synergy
In Garruk's Wake
7.4%inclusion5 decks68 decks
3%synergy
Feed the Infection
7.4%inclusion5 decks68 decks
7%synergy
Geth's Summons
7.4%inclusion5 decks68 decks
7%synergy
Profane Tutor
5.9%inclusion4 decks68 decks
2%synergy
Scheming Symmetry
5.9%inclusion4 decks68 decks
2%synergy
Exsanguinate
5.9%inclusion4 decks68 decks
-19%synergy
Final Parting
5.9%inclusion4 decks68 decks
1%synergy
Insatiable Avarice
5.9%inclusion4 decks68 decks
-6%synergy
Buried Alive
5.9%inclusion4 decks68 decks
-6%synergy
Living Death
5.9%inclusion4 decks68 decks
-4%synergy
Utility Artifacts
Herald's Horn
46%inclusion31 decks68 decks
40%synergy
Skullclamp
34%inclusion23 decks68 decks
12%synergy
Lightning Greaves
34%inclusion23 decks68 decks
0%synergy
Thrumming Stone
32%inclusion22 decks68 decks
28%synergy
Vanquisher's Banner
31%inclusion21 decks68 decks
27%synergy
Thornbite Staff
29%inclusion20 decks68 decks
27%synergy
Swiftfoot Boots
28%inclusion19 decks68 decks
-4%synergy
Chronicle of Victory
27%inclusion8 decks30 decks
24%synergy
Contagion Engine
26%inclusion18 decks68 decks
25%synergy
Contagion Clasp
24%inclusion16 decks68 decks
21%synergy
Coat of Arms
22%inclusion15 decks68 decks
19%synergy
Door of Destinies
21%inclusion14 decks68 decks
18%synergy
Ashnod's Altar
15%inclusion10 decks68 decks
-5%synergy
Whip of Erebos
12%inclusion8 decks68 decks
1%synergy
Banner of Kinship
12%inclusion8 decks68 decks
10%synergy
Eldrazi Monument
12%inclusion8 decks68 decks
10%synergy
Sensei's Divining Top
8.8%inclusion6 decks68 decks
1%synergy
Grafted Exoskeleton
8.8%inclusion6 decks68 decks
8%synergy
The Darkness Crystal
7.4%inclusion4 decks54 decks
-12%synergy
Akroma's Memorial
7.4%inclusion5 decks68 decks
6%synergy
Urza's Incubator
7.4%inclusion5 decks68 decks
5%synergy
Sword of Truth and Justice
5.9%inclusion4 decks68 decks
5%synergy
Prosthetic Injector
5.9%inclusion4 decks68 decks
6%synergy
Wishclaw Talisman
5.9%inclusion4 decks68 decks
-1%synergy
Wayfarer's Bauble
5.9%inclusion4 decks68 decks
-10%synergy
Whispersilk Cloak
5.9%inclusion4 decks68 decks
0%synergy
Aetherflux Reservoir
5.9%inclusion4 decks68 decks
-4%synergy
Enchantments
Cover of Darkness
37%inclusion25 decks68 decks
34%synergy
Grave Pact
32%inclusion22 decks68 decks
13%synergy
Necrogen Communion
29%inclusion20 decks68 decks
28%synergy
Contamination
25%inclusion17 decks68 decks
22%synergy
Black Market
24%inclusion16 decks68 decks
2%synergy
Oversold Cemetery
22%inclusion15 decks68 decks
17%synergy
Black Market Connections
21%inclusion14 decks68 decks
-3%synergy
Phyresis
19%inclusion13 decks68 decks
17%synergy
Bad Moon
18%inclusion12 decks68 decks
14%synergy
The Meathook Massacre
15%inclusion10 decks68 decks
-3%synergy
Haunted One
15%inclusion10 decks68 decks
12%synergy
Dictate of Erebos
10%inclusion7 decks68 decks
-1%synergy
Exquisite Blood
10%inclusion7 decks68 decks
-3%synergy
Animate Dead
10%inclusion7 decks68 decks
-7%synergy
Vampiric Rites
8.8%inclusion6 decks68 decks
3%synergy
Sanguine Bond
8.8%inclusion6 decks68 decks
-3%synergy
Greed
7.4%inclusion5 decks68 decks
0%synergy
No Mercy
7.4%inclusion5 decks68 decks
0%synergy
Painful Quandary
7.4%inclusion5 decks68 decks
-3%synergy
Lord Skitter's Blessing
7.4%inclusion5 decks68 decks
7%synergy
Tribute to Horobi
5.9%inclusion4 decks68 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
37%inclusion25 decks68 decks
34%synergy
Liliana of the Dark Realms
18%inclusion12 decks68 decks
4%synergy
Utility Lands
Cabal Coffers
72%inclusion49 decks68 decks
17%synergy
Bojuka Bog
65%inclusion44 decks68 decks
18%synergy
Urborg, Tomb of Yawgmoth
49%inclusion33 decks68 decks
11%synergy
Karn's Bastion
40%inclusion27 decks68 decks
36%synergy
Cabal Stronghold
34%inclusion23 decks68 decks
-1%synergy
Mudflat Village
32%inclusion22 decks68 decks
30%synergy
Witch's Cottage
26%inclusion18 decks68 decks
2%synergy
Phyrexian Tower
25%inclusion17 decks68 decks
0%synergy
Mortuary Mire
25%inclusion17 decks68 decks
12%synergy
Reliquary Tower
25%inclusion17 decks68 decks
-6%synergy
Rogue's Passage
25%inclusion17 decks68 decks
6%synergy
Nykthos, Shrine to Nyx
22%inclusion15 decks68 decks
-8%synergy
Three Tree City
21%inclusion14 decks68 decks
16%synergy
Castle Locthwain
15%inclusion10 decks68 decks
-2%synergy
Crypt of Agadeem
12%inclusion8 decks68 decks
1%synergy
Volrath's Stronghold
12%inclusion8 decks68 decks
8%synergy
Shizo, Death's Storehouse
8.8%inclusion6 decks68 decks
-1%synergy
Takenuma, Abandoned Mire
8.8%inclusion6 decks68 decks
-7%synergy
War Room
8.8%inclusion6 decks68 decks
-7%synergy
Secret Tunnel
8.3%inclusion3 decks36 decks
7%synergy
Inkmoth Nexus
7.4%inclusion5 decks68 decks
6%synergy
Memorial to Folly
5.9%inclusion4 decks68 decks
3%synergy
Buried Ruin
5.9%inclusion4 decks68 decks
1%synergy
Temple of the False God
5.9%inclusion4 decks68 decks
-2%synergy
Access Tunnel
5.9%inclusion4 decks68 decks
3%synergy
Mana Artifacts
Sol Ring
90%inclusion61 decks68 decks
4%synergy
Arcane Signet
43%inclusion29 decks68 decks
-19%synergy
Glistening Sphere
32%inclusion22 decks68 decks
31%synergy
Staff of Compleation
25%inclusion17 decks68 decks
23%synergy
Patchwork Banner
18%inclusion12 decks68 decks
13%synergy
Mind Stone
13%inclusion9 decks68 decks
-16%synergy
Thought Vessel
12%inclusion8 decks68 decks
-14%synergy
Caged Sun
8.8%inclusion6 decks68 decks
-3%synergy
Everflowing Chalice
7.4%inclusion5 decks68 decks
2%synergy
The Soul Stone
6.8%inclusion3 decks44 decks
-7%synergy
Charcoal Diamond
5.9%inclusion4 decks68 decks
-17%synergy
Lotus Petal
5.9%inclusion4 decks68 decks
-2%synergy
Heraldic Banner
5.9%inclusion4 decks68 decks
0%synergy
Mox Diamond
5.9%inclusion4 decks68 decks
2%synergy
Throne of Eldraine
5.9%inclusion4 decks68 decks
-4%synergy
Lands
Swamp
94%inclusion64 decks68 decks
-1%synergy
Cavern of Souls
25%inclusion17 decks68 decks
18%synergy
Path of Ancestry
18%inclusion12 decks68 decks
12%synergy
Myriad Landscape
16%inclusion11 decks68 decks
-10%synergy
Command Tower
12%inclusion8 decks68 decks
6%synergy
Malakir Rebirth
12%inclusion8 decks68 decks
-11%synergy
Fell the Profane
5.9%inclusion4 decks68 decks
-13%synergy
Evolving Wilds
5.9%inclusion4 decks68 decks
2%synergy
Snow-Covered Swamp
5.9%inclusion4 decks68 decks
-1%synergy
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