Karumonix, the Rat King (Commander) - Expensive Rat Colony

Karumonix, the Rat King
Rank #382
62decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Jeremy Rowe
Mar 20, 2026
Jeremy Rowe
Building Rat Typal With Marrow-Gnawer
These Rats will do a lot more than pull your hair. Let's see what Marrow-Gnawer can do leading a swarm of Rats in Commander.
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Rat Colony
100%inclusion62 decks62 decks
94%synergy
Marrow-Gnawer
92%inclusion57 decks62 decks
89%synergy
Piper of the Swarm
84%inclusion52 decks62 decks
77%synergy
Swarmyard
81%inclusion50 decks62 decks
75%synergy
Ashcoat of the Shadow Swarm
76%inclusion47 decks62 decks
72%synergy
Pack Rat
77%inclusion48 decks62 decks
71%synergy
Karn's Bastion
56%inclusion35 decks62 decks
53%synergy
Infectious Inquiry
52%inclusion32 decks62 decks
49%synergy
Blightbelly Rat
52%inclusion32 decks62 decks
48%synergy
Ogre Slumlord
58%inclusion36 decks62 decks
48%synergy
Top Cards
Jet Medallion
79%inclusion49 decks62 decks
17%synergy
Dark Ritual
76%inclusion47 decks62 decks
9%synergy
Bontu's Monument
65%inclusion40 decks62 decks
36%synergy
Skullclamp
61%inclusion38 decks62 decks
39%synergy
Lord Skitter, Sewer King
55%inclusion34 decks62 decks
47%synergy
Crypt Rats
52%inclusion32 decks62 decks
47%synergy
Thrumming Stone
52%inclusion32 decks62 decks
48%synergy
Vraska's Fall
48%inclusion30 decks62 decks
45%synergy
Herald's Horn
48%inclusion30 decks62 decks
43%synergy
Ichor Rats
48%inclusion30 decks62 decks
45%synergy
Game Changers
Demonic Tutor
90%inclusion56 decks62 decks
63%synergy
Vampiric Tutor
85%inclusion53 decks62 decks
65%synergy
Imperial Seal
31%inclusion19 decks62 decks
24%synergy
Bolas's Citadel
31%inclusion19 decks62 decks
2%synergy
Ancient Tomb
27%inclusion17 decks62 decks
16%synergy
The One Ring
23%inclusion14 decks62 decks
13%synergy
Chrome Mox
19%inclusion12 decks62 decks
13%synergy
Necropotence
18%inclusion11 decks62 decks
3%synergy
Mox Diamond
16%inclusion10 decks62 decks
12%synergy
Opposition Agent
11%inclusion7 decks62 decks
2%synergy
Creatures
Species Specialist
39%inclusion24 decks62 decks
35%synergy
Ayara, First of Locthwain
34%inclusion21 decks62 decks
8%synergy
Yawgmoth, Thran Physician
29%inclusion18 decks62 decks
19%synergy
Crypt Ghast
27%inclusion17 decks62 decks
-20%synergy
Rancid Rats
27%inclusion17 decks62 decks
25%synergy
Ratcatcher
26%inclusion16 decks62 decks
22%synergy
Gnat Miser
26%inclusion16 decks62 decks
23%synergy
Nashi, Moon Sage's Scion
26%inclusion16 decks62 decks
22%synergy
Typhoid Rats
26%inclusion16 decks62 decks
22%synergy
Filth
24%inclusion15 decks62 decks
22%synergy
Ink-Eyes, Servant of Oni
24%inclusion15 decks62 decks
21%synergy
Changeling Outcast
24%inclusion15 decks62 decks
19%synergy
Burglar Rat
23%inclusion14 decks62 decks
12%synergy
Gray Merchant of Asphodel
23%inclusion14 decks62 decks
-28%synergy
Locust Miser
23%inclusion14 decks62 decks
21%synergy
Septic Rats
23%inclusion14 decks62 decks
21%synergy
Swarm of Rats
21%inclusion13 decks62 decks
18%synergy
Persistent Marshstalker
20%inclusion9 decks44 decks
17%synergy
Valley Rotcaller
20%inclusion9 decks44 decks
18%synergy
Tangled Colony
19%inclusion12 decks62 decks
16%synergy
Lord Skitter's Butcher
19%inclusion12 decks62 decks
16%synergy
Stronghold Rats
16%inclusion10 decks62 decks
12%synergy
Roaming Throne
15%inclusion9 decks62 decks
12%synergy
Throat Slitter
15%inclusion9 decks62 decks
13%synergy
Rev, Tithe Extractor
13%inclusion3 decks23 decks
11%synergy
Chittering Skitterling
11%inclusion7 decks62 decks
10%synergy
Wave of Rats
11%inclusion7 decks62 decks
9%synergy
Ruthless Radrat
10%inclusion6 decks62 decks
9%synergy
Chittering Witch
10%inclusion6 decks62 decks
5%synergy
Voracious Vermin
10%inclusion6 decks62 decks
7%synergy
Nezumi Informant
10%inclusion6 decks62 decks
3%synergy
Dauthi Voidwalker
10%inclusion6 decks62 decks
-6%synergy
Old Flitterfang
10%inclusion6 decks62 decks
8%synergy
Crashing Drawbridge
8.1%inclusion5 decks62 decks
6%synergy
Sheoldred, the Apocalypse
8.1%inclusion5 decks62 decks
-7%synergy
Braids, Arisen Nightmare
8.1%inclusion5 decks62 decks
-11%synergy
Defiler of Flesh
6.5%inclusion4 decks62 decks
3%synergy
Zulaport Cutthroat
6.5%inclusion4 decks62 decks
-17%synergy
Skithiryx, the Blight Dragon
6.5%inclusion4 decks62 decks
5%synergy
Ruin Rat
6.5%inclusion4 decks62 decks
5%synergy
Innocuous Rat
5.6%inclusion2 decks36 decks
4%synergy
Instants
Deadly Rollick
47%inclusion29 decks62 decks
22%synergy
Village Rites
27%inclusion17 decks62 decks
2%synergy
Whisper of the Dross
26%inclusion16 decks62 decks
23%synergy
Defile
24%inclusion15 decks62 decks
-12%synergy
Infernal Grasp
23%inclusion14 decks62 decks
-3%synergy
Go for the Throat
19%inclusion12 decks62 decks
-4%synergy
Deadly Dispute
19%inclusion12 decks62 decks
-7%synergy
Malakir Rebirth
18%inclusion11 decks62 decks
-5%synergy
Withering Torment
17%inclusion6 decks36 decks
-15%synergy
Imp's Mischief
15%inclusion9 decks62 decks
-10%synergy
Cabal Ritual
15%inclusion9 decks62 decks
-4%synergy
Culling the Weak
15%inclusion9 decks62 decks
-2%synergy
Tragic Slip
15%inclusion9 decks62 decks
-5%synergy
Entomb
13%inclusion8 decks62 decks
1%synergy
Tainted Strike
13%inclusion8 decks62 decks
10%synergy
Corrupted Conviction
11%inclusion7 decks62 decks
-1%synergy
Fell the Profane
11%inclusion6 decks57 decks
-8%synergy
Snuff Out
10%inclusion6 decks62 decks
-3%synergy
Anoint with Affliction
8.1%inclusion5 decks62 decks
8%synergy
Grim Affliction
8.1%inclusion5 decks62 decks
6%synergy
Hero's Downfall
6.5%inclusion4 decks62 decks
0%synergy
Fatal Push
6.5%inclusion4 decks62 decks
3%synergy
Sheoldred's Edict
6.5%inclusion4 decks62 decks
-8%synergy
Doom Blade
6.5%inclusion4 decks62 decks
-1%synergy
Bitter Triumph
6.5%inclusion4 decks62 decks
-3%synergy
Darkness
6.5%inclusion4 decks62 decks
-4%synergy
Foul-Tongue Shriek
6.5%inclusion4 decks62 decks
5%synergy
Baleful Mastery
6.5%inclusion4 decks62 decks
-2%synergy
Sudden Spoiling
6.5%inclusion4 decks62 decks
-2%synergy
Sorceries
Phyresis Outbreak
42%inclusion26 decks62 decks
40%synergy
Patriarch's Bidding
40%inclusion25 decks62 decks
36%synergy
Diabolic Intent
37%inclusion23 decks62 decks
22%synergy
Grim Tutor
35%inclusion22 decks62 decks
24%synergy
Toxic Deluge
34%inclusion21 decks62 decks
-3%synergy
Damnation
31%inclusion19 decks62 decks
10%synergy
Drown in Ichor
31%inclusion19 decks62 decks
27%synergy
Feed the Swarm
29%inclusion18 decks62 decks
-21%synergy
Reanimate
27%inclusion17 decks62 decks
-12%synergy
Echoing Return
26%inclusion16 decks62 decks
23%synergy
Kindred Dominance
26%inclusion16 decks62 decks
21%synergy
Living Death
21%inclusion13 decks62 decks
11%synergy
Plague of Vermin
21%inclusion13 decks62 decks
19%synergy
Pact of the Serpent
21%inclusion13 decks62 decks
19%synergy
Sign in Blood
19%inclusion12 decks62 decks
-16%synergy
Blasphemous Edict
18%inclusion4 decks22 decks
2%synergy
Read the Bones
16%inclusion10 decks62 decks
-1%synergy
Secret Salvage
16%inclusion10 decks62 decks
15%synergy
Diabolic Tutor
15%inclusion9 decks62 decks
0%synergy
Swarmyard Massacre
14%inclusion6 decks42 decks
12%synergy
Revenge of the Rats
14%inclusion3 decks22 decks
11%synergy
Night's Whisper
13%inclusion8 decks62 decks
-12%synergy
Torment of Hailfire
11%inclusion7 decks62 decks
-4%synergy
Mutilate
11%inclusion7 decks62 decks
-6%synergy
Crippling Fear
11%inclusion7 decks62 decks
8%synergy
Victimize
10%inclusion6 decks62 decks
-17%synergy
Bubbling Muck
10%inclusion6 decks62 decks
-6%synergy
Unearth
10%inclusion6 decks62 decks
1%synergy
Gruesome Fate
8.1%inclusion5 decks62 decks
6%synergy
Spread the Sickness
6.5%inclusion4 decks62 decks
6%synergy
Forever Young
6.5%inclusion4 decks62 decks
5%synergy
Caress of Phyrexia
6.5%inclusion4 decks62 decks
6%synergy
Insatiable Avarice
6.5%inclusion4 decks62 decks
-5%synergy
Geth's Summons
6.5%inclusion4 decks62 decks
6%synergy
Utility Artifacts
Vanquisher's Banner
29%inclusion18 decks62 decks
25%synergy
Whip of Erebos
26%inclusion16 decks62 decks
15%synergy
Lightning Greaves
26%inclusion16 decks62 decks
-8%synergy
Coat of Arms
23%inclusion14 decks62 decks
20%synergy
Akroma's Memorial
18%inclusion11 decks62 decks
17%synergy
Door of Destinies
16%inclusion10 decks62 decks
14%synergy
Ashnod's Altar
15%inclusion9 decks62 decks
-5%synergy
Contagion Clasp
13%inclusion8 decks62 decks
11%synergy
Contagion Engine
13%inclusion8 decks62 decks
11%synergy
Phyrexian Altar
13%inclusion8 decks62 decks
-1%synergy
Dolmen Gate
13%inclusion8 decks62 decks
13%synergy
Sensei's Divining Top
10%inclusion6 decks62 decks
2%synergy
Wishclaw Talisman
10%inclusion6 decks62 decks
3%synergy
Swiftfoot Boots
10%inclusion6 decks62 decks
-22%synergy
Thornbite Staff
10%inclusion6 decks62 decks
7%synergy
Sword of the Squeak
10%inclusion4 decks42 decks
9%synergy
Banner of Kinship
8.7%inclusion2 decks23 decks
7%synergy
Aetherflux Reservoir
8.1%inclusion5 decks62 decks
-1%synergy
Locket of Yesterdays
8.1%inclusion5 decks62 decks
8%synergy
Eldrazi Monument
8.1%inclusion5 decks62 decks
6%synergy
Mirror Box
6.5%inclusion4 decks62 decks
6%synergy
Sword of Truth and Justice
6.5%inclusion4 decks62 decks
6%synergy
Altar of Dementia
6.5%inclusion4 decks62 decks
1%synergy
Grafted Exoskeleton
6.5%inclusion4 decks62 decks
5%synergy
Enchantments
Cover of Darkness
47%inclusion29 decks62 decks
44%synergy
Phyrexian Arena
44%inclusion27 decks62 decks
4%synergy
Black Market Connections
37%inclusion23 decks62 decks
13%synergy
Grave Pact
31%inclusion19 decks62 decks
11%synergy
Haunted One
21%inclusion13 decks62 decks
18%synergy
The Meathook Massacre
18%inclusion11 decks62 decks
0%synergy
Black Market
18%inclusion11 decks62 decks
-3%synergy
Dictate of Erebos
18%inclusion11 decks62 decks
7%synergy
Phyresis
11%inclusion7 decks62 decks
9%synergy
Bad Moon
11%inclusion7 decks62 decks
8%synergy
Necrogen Communion
11%inclusion7 decks62 decks
10%synergy
Phyrexian Reclamation
10%inclusion6 decks62 decks
0%synergy
Oversold Cemetery
10%inclusion6 decks62 decks
4%synergy
Contamination
8.1%inclusion5 decks62 decks
5%synergy
Sanguine Bond
8.1%inclusion5 decks62 decks
-4%synergy
Exquisite Blood
8.1%inclusion5 decks62 decks
-5%synergy
Planeswalkers
Vraska, Betrayal's Sting
31%inclusion19 decks62 decks
28%synergy
Liliana of the Dark Realms
15%inclusion9 decks62 decks
1%synergy
Utility Lands
Cabal Coffers
89%inclusion55 decks62 decks
34%synergy
Urborg, Tomb of Yawgmoth
74%inclusion46 decks62 decks
37%synergy
Nykthos, Shrine to Nyx
71%inclusion44 decks62 decks
41%synergy
Bojuka Bog
55%inclusion34 decks62 decks
8%synergy
Phyrexian Tower
53%inclusion33 decks62 decks
28%synergy
Three Tree City
52%inclusion23 decks44 decks
48%synergy
Cabal Stronghold
50%inclusion31 decks62 decks
15%synergy
Reliquary Tower
48%inclusion30 decks62 decks
18%synergy
Rogue's Passage
39%inclusion24 decks62 decks
20%synergy
Shizo, Death's Storehouse
29%inclusion18 decks62 decks
19%synergy
War Room
27%inclusion17 decks62 decks
11%synergy
Crypt of Agadeem
23%inclusion14 decks62 decks
11%synergy
Castle Locthwain
23%inclusion14 decks62 decks
6%synergy
Witch's Cottage
21%inclusion13 decks62 decks
-4%synergy
Mudflat Village
20%inclusion9 decks46 decks
17%synergy
Inkmoth Nexus
18%inclusion11 decks62 decks
17%synergy
Takenuma, Abandoned Mire
16%inclusion10 decks62 decks
1%synergy
Mortuary Mire
15%inclusion9 decks62 decks
1%synergy
Urza's Saga
11%inclusion7 decks62 decks
3%synergy
Mutavault
10%inclusion6 decks62 decks
9%synergy
Minas Morgul, Dark Fortress
10%inclusion6 decks62 decks
7%synergy
Lake of the Dead
8.1%inclusion5 decks62 decks
3%synergy
Access Tunnel
8.1%inclusion5 decks62 decks
5%synergy
Leechridden Swamp
6.5%inclusion4 decks62 decks
4%synergy
Mana Artifacts
Sol Ring
89%inclusion55 decks62 decks
3%synergy
Arcane Signet
58%inclusion36 decks62 decks
-4%synergy
Glistening Sphere
35%inclusion22 decks62 decks
34%synergy
Staff of Compleation
24%inclusion15 decks62 decks
23%synergy
Jeweled Lotus
24%inclusion15 decks62 decks
23%synergy
Mana Crypt
24%inclusion15 decks62 decks
23%synergy
Patchwork Banner
16%inclusion7 decks43 decks
12%synergy
Thought Vessel
15%inclusion9 decks62 decks
-11%synergy
Gauntlet of Power
11%inclusion7 decks62 decks
8%synergy
Mox Amber
11%inclusion7 decks62 decks
7%synergy
Throne of Eldraine
10%inclusion6 decks62 decks
0%synergy
Fellwar Stone
8.1%inclusion5 decks62 decks
-6%synergy
Nyx Lotus
8.1%inclusion5 decks62 decks
2%synergy
Caged Sun
6.5%inclusion4 decks62 decks
-5%synergy
Lotus Petal
6.5%inclusion4 decks62 decks
-1%synergy
Mana Vault
6.5%inclusion4 decks62 decks
0%synergy
Mind Stone
6.5%inclusion4 decks62 decks
-22%synergy
Mox Opal
6.5%inclusion4 decks62 decks
3%synergy
Lands
Swamp
84%inclusion52 decks62 decks
-11%synergy
Cavern of Souls
63%inclusion39 decks62 decks
56%synergy
Path of Ancestry
23%inclusion14 decks62 decks
17%synergy
Malakir Rebirth
18%inclusion11 decks62 decks
-5%synergy
Snow-Covered Swamp
18%inclusion11 decks62 decks
11%synergy
Command Tower
16%inclusion10 decks62 decks
11%synergy
Verdant Catacombs
13%inclusion8 decks62 decks
10%synergy
Marsh Flats
11%inclusion7 decks62 decks
8%synergy
Polluted Delta
11%inclusion7 decks62 decks
8%synergy
Bloodstained Mire
11%inclusion7 decks62 decks
8%synergy
Fell the Profane
11%inclusion6 decks57 decks
-8%synergy
Myriad Landscape
10%inclusion6 decks62 decks
-16%synergy
Gemstone Caverns
6.5%inclusion4 decks62 decks
2%synergy
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