Karumonix, the Rat King (Commander) - Expensive Upgraded Infect

Karumonix, the Rat King
Rank #393
8decks
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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Utility Lands
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Marrow-Gnawer
100%inclusion8 decks8 decks
97%synergy
Ashcoat of the Shadow Swarm
100%inclusion8 decks8 decks
97%synergy
Swarmyard
100%inclusion8 decks8 decks
94%synergy
Piper of the Swarm
100%inclusion8 decks8 decks
93%synergy
Ogre Slumlord
88%inclusion7 decks8 decks
78%synergy
Ichor Rats
75%inclusion6 decks8 decks
72%synergy
Blightbelly Rat
75%inclusion6 decks8 decks
72%synergy
Herald's Horn
75%inclusion6 decks8 decks
69%synergy
Pack Rat
75%inclusion6 decks8 decks
69%synergy
Lord Skitter, Sewer King
75%inclusion6 decks8 decks
67%synergy
Top Cards
Dark Ritual
75%inclusion6 decks8 decks
8%synergy
Deadly Rollick
63%inclusion5 decks8 decks
38%synergy
Feed the Swarm
63%inclusion5 decks8 decks
12%synergy
Infectious Inquiry
63%inclusion5 decks8 decks
60%synergy
Bontu's Monument
63%inclusion5 decks8 decks
34%synergy
Jet Medallion
63%inclusion5 decks8 decks
0%synergy
Cover of Darkness
63%inclusion5 decks8 decks
59%synergy
Vraska, Betrayal's Sting
50%inclusion4 decks8 decks
47%synergy
Patriarch's Bidding
50%inclusion4 decks8 decks
46%synergy
Go for the Throat
50%inclusion4 decks8 decks
27%synergy
Game Changers
Demonic Tutor
75%inclusion6 decks8 decks
48%synergy
Bolas's Citadel
38%inclusion3 decks8 decks
9%synergy
Ancient Tomb
25%inclusion2 decks8 decks
13%synergy
Vampiric Tutor
25%inclusion2 decks8 decks
4%synergy
Imperial Seal
13%inclusion1 decks8 decks
6%synergy
Chrome Mox
13%inclusion1 decks8 decks
6%synergy
Mox Diamond
13%inclusion1 decks8 decks
9%synergy
Creatures
Lord Skitter's Butcher
50%inclusion4 decks8 decks
47%synergy
Persistent Marshstalker
50%inclusion4 decks8 decks
47%synergy
Crypt Ghast
50%inclusion4 decks8 decks
3%synergy
Ratcatcher
50%inclusion4 decks8 decks
47%synergy
Nashi, Moon Sage's Scion
50%inclusion4 decks8 decks
46%synergy
Relentless Rats
38%inclusion3 decks8 decks
36%synergy
Ayara, First of Locthwain
38%inclusion3 decks8 decks
12%synergy
Changeling Outcast
38%inclusion3 decks8 decks
32%synergy
Burglar Rat
25%inclusion2 decks8 decks
14%synergy
Gray Merchant of Asphodel
25%inclusion2 decks8 decks
-26%synergy
Tangled Colony
25%inclusion2 decks8 decks
22%synergy
Species Specialist
25%inclusion2 decks8 decks
22%synergy
Ink-Eyes, Servant of Oni
25%inclusion2 decks8 decks
22%synergy
Engine Rat
25%inclusion2 decks8 decks
23%synergy
Chittering Skitterling
25%inclusion2 decks8 decks
24%synergy
Voracious Vermin
25%inclusion2 decks8 decks
22%synergy
Twisted Sewer-Witch
25%inclusion2 decks8 decks
24%synergy
Nezumi Informant
25%inclusion2 decks8 decks
19%synergy
Nezumi Bone-Reader
25%inclusion2 decks8 decks
24%synergy
Gnat Miser
25%inclusion2 decks8 decks
22%synergy
Typhoid Rats
25%inclusion2 decks8 decks
21%synergy
Stronghold Rats
25%inclusion2 decks8 decks
21%synergy
Rat Colony
25%inclusion2 decks8 decks
19%synergy
Refurbished Familiar
13%inclusion1 decks8 decks
10%synergy
Innocuous Rat
13%inclusion1 decks8 decks
11%synergy
Nezumi Graverobber
13%inclusion1 decks8 decks
11%synergy
Whispering Specter
13%inclusion1 decks8 decks
12%synergy
Rotting Rats
13%inclusion1 decks8 decks
9%synergy
Metallic Mimic
13%inclusion1 decks8 decks
12%synergy
Blood Artist
13%inclusion1 decks8 decks
-19%synergy
Morbid Opportunist
13%inclusion1 decks8 decks
-11%synergy
Crashing Drawbridge
13%inclusion1 decks8 decks
10%synergy
Roaming Throne
13%inclusion1 decks8 decks
10%synergy
Nezumi Shortfang
13%inclusion1 decks8 decks
12%synergy
Insatiable Frugivore
13%inclusion1 decks8 decks
12%synergy
Adaptive Automaton
13%inclusion1 decks8 decks
12%synergy
Throat Slitter
13%inclusion1 decks8 decks
11%synergy
Zulaport Cutthroat
13%inclusion1 decks8 decks
-11%synergy
Mogis's Marauder
13%inclusion1 decks8 decks
12%synergy
Grim Hireling
13%inclusion1 decks8 decks
8%synergy
Chittering Witch
13%inclusion1 decks8 decks
8%synergy
Valley Rotcaller
13%inclusion1 decks8 decks
10%synergy
Nezumi Cutthroat
13%inclusion1 decks8 decks
12%synergy
Nezumi Prowler
13%inclusion1 decks8 decks
11%synergy
Septic Rats
13%inclusion1 decks8 decks
11%synergy
Wave of Rats
13%inclusion1 decks8 decks
11%synergy
Rancid Rats
13%inclusion1 decks8 decks
10%synergy
Midnight Reaper
13%inclusion1 decks8 decks
4%synergy
Okiba-Gang Shinobi
13%inclusion1 decks8 decks
12%synergy
Venomous Changeling
13%inclusion1 decks8 decks
12%synergy
Instants
Vraska's Fall
50%inclusion4 decks8 decks
47%synergy
Village Rites
38%inclusion3 decks8 decks
12%synergy
Fell the Profane
25%inclusion2 decks8 decks
6%synergy
Whisper of the Dross
25%inclusion2 decks8 decks
22%synergy
Grim Affliction
25%inclusion2 decks8 decks
23%synergy
Defile
25%inclusion2 decks8 decks
-11%synergy
Sudden Spoiling
25%inclusion2 decks8 decks
16%synergy
Tragic Slip
25%inclusion2 decks8 decks
6%synergy
Withering Torment
25%inclusion2 decks8 decks
-6%synergy
Hagra Mauling
13%inclusion1 decks8 decks
8%synergy
Hero's Downfall
13%inclusion1 decks8 decks
6%synergy
Force of Despair
13%inclusion1 decks8 decks
5%synergy
Imp's Mischief
13%inclusion1 decks8 decks
-12%synergy
Anoint with Affliction
13%inclusion1 decks8 decks
12%synergy
Culling the Weak
13%inclusion1 decks8 decks
-4%synergy
Raise the Draugr
13%inclusion1 decks8 decks
12%synergy
Tainted Strike
13%inclusion1 decks8 decks
10%synergy
Baleful Mastery
13%inclusion1 decks8 decks
4%synergy
Plumb the Forbidden
13%inclusion1 decks8 decks
8%synergy
Corrupted Conviction
13%inclusion1 decks8 decks
-0%synergy
Liliana's Triumph
13%inclusion1 decks8 decks
7%synergy
Curtains' Call
13%inclusion1 decks8 decks
11%synergy
Breathe Your Last
13%inclusion1 decks8 decks
10%synergy
Sorceries
Phyresis Outbreak
50%inclusion4 decks8 decks
48%synergy
Kindred Dominance
50%inclusion4 decks8 decks
45%synergy
Drown in Ichor
50%inclusion4 decks8 decks
46%synergy
Diabolic Intent
38%inclusion3 decks8 decks
22%synergy
Swarmyard Massacre
38%inclusion3 decks8 decks
35%synergy
Pact of the Serpent
38%inclusion3 decks8 decks
36%synergy
Agadeem's Awakening
25%inclusion2 decks8 decks
18%synergy
Echoing Return
25%inclusion2 decks8 decks
22%synergy
Night's Whisper
25%inclusion2 decks8 decks
0%synergy
Reanimate
25%inclusion2 decks8 decks
-15%synergy
Toxic Deluge
25%inclusion2 decks8 decks
-12%synergy
Bloodline Bidding
25%inclusion1 decks4 decks
21%synergy
Diabolic Tutor
13%inclusion1 decks8 decks
-2%synergy
Profane Tutor
13%inclusion1 decks8 decks
8%synergy
Revenge of the Rats
13%inclusion1 decks8 decks
9%synergy
Torment of Hailfire
13%inclusion1 decks8 decks
-3%synergy
Haunting Voyage
13%inclusion1 decks8 decks
11%synergy
Return from Extinction
13%inclusion1 decks8 decks
12%synergy
Bubbling Muck
13%inclusion1 decks8 decks
-3%synergy
Infernal Tutor
13%inclusion1 decks8 decks
12%synergy
Blasphemous Edict
13%inclusion1 decks8 decks
-4%synergy
Tendrils of Agony
13%inclusion1 decks8 decks
10%synergy
Exsanguinate
13%inclusion1 decks8 decks
-12%synergy
Living Death
13%inclusion1 decks8 decks
2%synergy
Call to the Netherworld
13%inclusion1 decks8 decks
11%synergy
Insatiable Avarice
13%inclusion1 decks8 decks
1%synergy
Hideous Visage
13%inclusion1 decks8 decks
12%synergy
Phyrexian Tribute
13%inclusion1 decks8 decks
12%synergy
Beseech the Mirror
13%inclusion1 decks8 decks
6%synergy
Damnation
13%inclusion1 decks8 decks
-8%synergy
Disentomb
13%inclusion1 decks8 decks
11%synergy
Rise of the Dark Realms
13%inclusion1 decks8 decks
-1%synergy
Grim Tutor
13%inclusion1 decks8 decks
1%synergy
Crippling Fear
13%inclusion1 decks8 decks
10%synergy
Plague of Vermin
13%inclusion1 decks8 decks
10%synergy
Utility Artifacts
Skullclamp
50%inclusion4 decks8 decks
28%synergy
Thrumming Stone
50%inclusion4 decks8 decks
46%synergy
Chronicle of Victory
50%inclusion2 decks4 decks
47%synergy
Whip of Erebos
38%inclusion3 decks8 decks
27%synergy
Expedition Map
38%inclusion3 decks8 decks
26%synergy
Swiftfoot Boots
38%inclusion3 decks8 decks
6%synergy
Coat of Arms
25%inclusion2 decks8 decks
22%synergy
Vanquisher's Banner
25%inclusion2 decks8 decks
21%synergy
Door of Destinies
25%inclusion2 decks8 decks
23%synergy
The Darkness Crystal
14%inclusion1 decks7 decks
-6%synergy
Genji Glove
14%inclusion1 decks7 decks
13%synergy
Sensei's Divining Top
13%inclusion1 decks8 decks
4%synergy
Soul-Guide Lantern
13%inclusion1 decks8 decks
12%synergy
Icon of Ancestry
13%inclusion1 decks8 decks
12%synergy
Mirror Box
13%inclusion1 decks8 decks
12%synergy
Contagion Clasp
13%inclusion1 decks8 decks
10%synergy
Contagion Engine
13%inclusion1 decks8 decks
11%synergy
Aetherflux Reservoir
13%inclusion1 decks8 decks
3%synergy
Scroll Rack
13%inclusion1 decks8 decks
12%synergy
Sword of Truth and Justice
13%inclusion1 decks8 decks
12%synergy
Wishclaw Talisman
13%inclusion1 decks8 decks
6%synergy
Banner of Kinship
13%inclusion1 decks8 decks
10%synergy
Recon Craft Theta
13%inclusion1 decks8 decks
12%synergy
Sword of Hearth and Home
13%inclusion1 decks8 decks
11%synergy
Akroma's Memorial
13%inclusion1 decks8 decks
12%synergy
Fireshrieker
13%inclusion1 decks8 decks
11%synergy
Lightning Greaves
13%inclusion1 decks8 decks
-21%synergy
Commander's Plate
13%inclusion1 decks8 decks
6%synergy
Conjurer's Closet
13%inclusion1 decks8 decks
10%synergy
Lifeline
13%inclusion1 decks8 decks
12%synergy
Enchantments
Black Market Connections
50%inclusion4 decks8 decks
26%synergy
Phyrexian Arena
50%inclusion4 decks8 decks
11%synergy
Haunted One
38%inclusion3 decks8 decks
35%synergy
Grave Pact
38%inclusion3 decks8 decks
18%synergy
Oversold Cemetery
38%inclusion3 decks8 decks
32%synergy
Black Market
25%inclusion2 decks8 decks
4%synergy
Necrogen Communion
25%inclusion2 decks8 decks
23%synergy
Contamination
13%inclusion1 decks8 decks
9%synergy
Phyrexian Reclamation
13%inclusion1 decks8 decks
3%synergy
Dictate of Erebos
13%inclusion1 decks8 decks
1%synergy
Exquisite Blood
13%inclusion1 decks8 decks
-1%synergy
Dauthi Embrace
13%inclusion1 decks8 decks
11%synergy
Gate to Phyrexia
13%inclusion1 decks8 decks
12%synergy
Bandit's Talent
13%inclusion1 decks8 decks
7%synergy
Bastion of Remembrance
13%inclusion1 decks8 decks
-5%synergy
Lord Skitter's Blessing
13%inclusion1 decks8 decks
12%synergy
Nowhere to Run
13%inclusion1 decks8 decks
9%synergy
Dark Prophecy
13%inclusion1 decks8 decks
9%synergy
Planeswalkers
Liliana of the Dark Realms
38%inclusion3 decks8 decks
24%synergy
Davriel, Rogue Shadowmage
13%inclusion1 decks8 decks
11%synergy
Utility Lands
Cabal Coffers
88%inclusion7 decks8 decks
33%synergy
Urborg, Tomb of Yawgmoth
88%inclusion7 decks8 decks
50%synergy
Nykthos, Shrine to Nyx
75%inclusion6 decks8 decks
45%synergy
Cabal Stronghold
63%inclusion5 decks8 decks
28%synergy
Karn's Bastion
50%inclusion4 decks8 decks
46%synergy
Three Tree City
50%inclusion4 decks8 decks
45%synergy
Secret Tunnel
40%inclusion2 decks5 decks
39%synergy
Bojuka Bog
38%inclusion3 decks8 decks
-9%synergy
War Room
38%inclusion3 decks8 decks
21%synergy
Mudflat Village
38%inclusion3 decks8 decks
35%synergy
Rogue's Passage
38%inclusion3 decks8 decks
18%synergy
Mortuary Mire
25%inclusion2 decks8 decks
12%synergy
Crypt of Agadeem
25%inclusion2 decks8 decks
14%synergy
Witch's Cottage
25%inclusion2 decks8 decks
0%synergy
Volrath's Stronghold
25%inclusion2 decks8 decks
21%synergy
Deserted Temple
25%inclusion2 decks8 decks
21%synergy
Takenuma, Abandoned Mire
25%inclusion2 decks8 decks
9%synergy
Reliquary Tower
25%inclusion2 decks8 decks
-5%synergy
Shizo, Death's Storehouse
13%inclusion1 decks8 decks
2%synergy
Phyrexian Tower
13%inclusion1 decks8 decks
-13%synergy
Soulstone Sanctuary
13%inclusion1 decks8 decks
12%synergy
Vesuva
13%inclusion1 decks8 decks
10%synergy
Urza's Saga
13%inclusion1 decks8 decks
4%synergy
Inkmoth Nexus
13%inclusion1 decks8 decks
12%synergy
Mutavault
13%inclusion1 decks8 decks
12%synergy
Inventors' Fair
13%inclusion1 decks8 decks
10%synergy
Thespian's Stage
13%inclusion1 decks8 decks
7%synergy
Lake of the Dead
13%inclusion1 decks8 decks
7%synergy
Castle Locthwain
13%inclusion1 decks8 decks
-4%synergy
Strip Mine
13%inclusion1 decks8 decks
10%synergy
Access Tunnel
13%inclusion1 decks8 decks
10%synergy
Mana Artifacts
Sol Ring
88%inclusion7 decks8 decks
2%synergy
Glistening Sphere
50%inclusion4 decks8 decks
49%synergy
The Soul Stone
50%inclusion3 decks6 decks
35%synergy
Arcane Signet
38%inclusion3 decks8 decks
-24%synergy
Staff of Compleation
38%inclusion3 decks8 decks
36%synergy
Heraldic Banner
25%inclusion2 decks8 decks
20%synergy
Nyx Lotus
25%inclusion2 decks8 decks
19%synergy
Caged Sun
13%inclusion1 decks8 decks
2%synergy
Gauntlet of Power
13%inclusion1 decks8 decks
9%synergy
Patchwork Banner
13%inclusion1 decks8 decks
8%synergy
Throne of Eldraine
13%inclusion1 decks8 decks
3%synergy
Thought Vessel
13%inclusion1 decks8 decks
-13%synergy
Liquimetal Torque
13%inclusion1 decks8 decks
10%synergy
Mind Stone
13%inclusion1 decks8 decks
-16%synergy
Sceptre of Eternal Glory
13%inclusion1 decks8 decks
4%synergy
Lands
Swamp
100%inclusion8 decks8 decks
5%synergy
Cavern of Souls
88%inclusion7 decks8 decks
81%synergy
Path of Ancestry
50%inclusion4 decks8 decks
45%synergy
Fell the Profane
25%inclusion2 decks8 decks
6%synergy
Agadeem's Awakening
25%inclusion2 decks8 decks
18%synergy
Hagra Mauling
13%inclusion1 decks8 decks
8%synergy
Prismatic Vista
13%inclusion1 decks8 decks
10%synergy
Urza's Cave
13%inclusion1 decks8 decks
4%synergy
Ash Barrens
13%inclusion1 decks8 decks
11%synergy
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