Karumonix, the Rat King (Commander) - Core +1/+1 Counters

Karumonix, the Rat King
Rank #412
5decks
As CommanderAs CardAverage DeckDecks
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1
234
5
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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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Infectious Inquiry
100%inclusion5 decks5 decks
97%synergy
Ichor Rats
100%inclusion5 decks5 decks
97%synergy
Vraska's Fall
100%inclusion5 decks5 decks
97%synergy
Blightbelly Rat
100%inclusion5 decks5 decks
97%synergy
Marrow-Gnawer
100%inclusion5 decks5 decks
97%synergy
Lord Skitter, Sewer King
100%inclusion5 decks5 decks
92%synergy
Ogre Slumlord
100%inclusion5 decks5 decks
91%synergy
Phyresis Outbreak
80%inclusion4 decks5 decks
78%synergy
Necrogen Communion
80%inclusion4 decks5 decks
78%synergy
Whisper of the Dross
80%inclusion4 decks5 decks
77%synergy
Top Cards
Jet Medallion
100%inclusion5 decks5 decks
38%synergy
Dark Ritual
80%inclusion4 decks5 decks
13%synergy
Pack Rat
80%inclusion4 decks5 decks
74%synergy
Piper of the Swarm
80%inclusion4 decks5 decks
73%synergy
Herald's Horn
80%inclusion4 decks5 decks
74%synergy
Kindred Dominance
80%inclusion4 decks5 decks
75%synergy
Drown in Ichor
80%inclusion4 decks5 decks
77%synergy
Rat Colony
80%inclusion4 decks5 decks
75%synergy
Creatures
Rat King, Verminister
100%inclusion2 decks2 decks
97%synergy
Tangled Colony
60%inclusion3 decks5 decks
57%synergy
Lord Skitter's Butcher
60%inclusion3 decks5 decks
57%synergy
Persistent Marshstalker
60%inclusion3 decks5 decks
57%synergy
Swarm of Rats
60%inclusion3 decks5 decks
58%synergy
Voracious Vermin
60%inclusion3 decks5 decks
57%synergy
Ratcatcher
60%inclusion3 decks5 decks
57%synergy
Rancid Rats
60%inclusion3 decks5 decks
58%synergy
Rat King, Pale Piper
50%inclusion1 decks2 decks
46%synergy
Mirkwood Bats
40%inclusion2 decks5 decks
32%synergy
Crypt Rats
40%inclusion2 decks5 decks
36%synergy
Burglar Rat
40%inclusion2 decks5 decks
30%synergy
Ayara, First of Locthwain
40%inclusion2 decks5 decks
15%synergy
Nezumi Bladeblesser
40%inclusion2 decks5 decks
39%synergy
Ink-Eyes, Servant of Oni
40%inclusion2 decks5 decks
37%synergy
Chittering Skitterling
40%inclusion2 decks5 decks
39%synergy
Chittering Witch
40%inclusion2 decks5 decks
36%synergy
Valley Rotcaller
40%inclusion2 decks5 decks
37%synergy
Twisted Sewer-Witch
40%inclusion2 decks5 decks
39%synergy
Ashcoat of the Shadow Swarm
40%inclusion2 decks5 decks
36%synergy
Nezumi Prowler
40%inclusion2 decks5 decks
39%synergy
Septic Rats
40%inclusion2 decks5 decks
38%synergy
Wave of Rats
40%inclusion2 decks5 decks
38%synergy
Typhoid Rats
40%inclusion2 decks5 decks
37%synergy
Stronghold Rats
40%inclusion2 decks5 decks
37%synergy
Old Flitterfang
40%inclusion2 decks5 decks
39%synergy
Virulent Silencer
33%inclusion1 decks3 decks
33%synergy
Surge Conductor
33%inclusion1 decks3 decks
33%synergy
Bog Rats
20%inclusion1 decks5 decks
20%synergy
Plague Stinger
20%inclusion1 decks5 decks
19%synergy
Relentless Rats
20%inclusion1 decks5 decks
18%synergy
Midnight Scavengers
20%inclusion1 decks5 decks
20%synergy
Ravenous Rats
20%inclusion1 decks5 decks
18%synergy
Falkenrath Noble
20%inclusion1 decks5 decks
15%synergy
Mukotai Ambusher
20%inclusion1 decks5 decks
19%synergy
Daggerfang Duo
20%inclusion1 decks5 decks
19%synergy
Species Specialist
20%inclusion1 decks5 decks
17%synergy
Skullsnatcher
20%inclusion1 decks5 decks
19%synergy
Adaptive Automaton
20%inclusion1 decks5 decks
19%synergy
Throat Slitter
20%inclusion1 decks5 decks
18%synergy
Dirty Wererat
20%inclusion1 decks5 decks
20%synergy
Bilious Skulldweller
20%inclusion1 decks5 decks
19%synergy
Graf Rats
20%inclusion1 decks5 decks
20%synergy
Burnished Hart
20%inclusion1 decks5 decks
13%synergy
Nezumi Cutthroat
20%inclusion1 decks5 decks
19%synergy
Nezumi Informant
20%inclusion1 decks5 decks
14%synergy
Vraan, Executioner Thane
20%inclusion1 decks5 decks
17%synergy
Pestilence Rats
20%inclusion1 decks5 decks
18%synergy
Nashi, Moon Sage's Scion
20%inclusion1 decks5 decks
16%synergy
Ruin Rat
20%inclusion1 decks5 decks
19%synergy
Instants
Grim Affliction
60%inclusion3 decks5 decks
58%synergy
Defile
40%inclusion2 decks5 decks
5%synergy
Hero's Downfall
20%inclusion1 decks5 decks
14%synergy
Fell the Profane
20%inclusion1 decks5 decks
0%synergy
Go for the Throat
20%inclusion1 decks5 decks
-2%synergy
Village Rites
20%inclusion1 decks5 decks
-6%synergy
Rat Out
20%inclusion1 decks5 decks
19%synergy
Deadly Dispute
20%inclusion1 decks5 decks
-7%synergy
Virulent Wound
20%inclusion1 decks5 decks
20%synergy
Murder
20%inclusion1 decks5 decks
10%synergy
Infernal Grasp
20%inclusion1 decks5 decks
-5%synergy
Death Denied
20%inclusion1 decks5 decks
19%synergy
Tainted Strike
20%inclusion1 decks5 decks
17%synergy
Malakir Rebirth
20%inclusion1 decks5 decks
-4%synergy
Baleful Mastery
20%inclusion1 decks5 decks
12%synergy
Black Sun's Twilight
20%inclusion1 decks5 decks
17%synergy
Unseal the Necropolis
20%inclusion1 decks5 decks
19%synergy
Bladebrand
20%inclusion1 decks5 decks
19%synergy
Liliana's Triumph
20%inclusion1 decks5 decks
14%synergy
Gravepurge
20%inclusion1 decks5 decks
19%synergy
Aphotic Wisps
20%inclusion1 decks5 decks
19%synergy
Sorceries
Revenge of the Rats
50%inclusion2 decks4 decks
47%synergy
Swarmyard Massacre
40%inclusion2 decks5 decks
38%synergy
Feed the Swarm
40%inclusion2 decks5 decks
-10%synergy
Caress of Phyrexia
40%inclusion2 decks5 decks
39%synergy
Sign in Blood
40%inclusion2 decks5 decks
5%synergy
Commune with Evil
20%inclusion1 decks5 decks
19%synergy
Vat Emergence
20%inclusion1 decks5 decks
19%synergy
Spread the Sickness
20%inclusion1 decks5 decks
19%synergy
Diabolic Tutor
20%inclusion1 decks5 decks
7%synergy
Rhystic Tutor
20%inclusion1 decks5 decks
20%synergy
Victimize
20%inclusion1 decks5 decks
-8%synergy
Patriarch's Bidding
20%inclusion1 decks5 decks
16%synergy
Damnable Pact
20%inclusion1 decks5 decks
16%synergy
Feed the Infection
20%inclusion1 decks5 decks
19%synergy
Writ of Return
20%inclusion1 decks5 decks
20%synergy
Echoing Return
20%inclusion1 decks5 decks
17%synergy
Sam's Desperate Rescue
20%inclusion1 decks5 decks
19%synergy
Ancient Craving
20%inclusion1 decks5 decks
18%synergy
Night's Whisper
20%inclusion1 decks5 decks
-6%synergy
Exsanguinate
20%inclusion1 decks5 decks
-5%synergy
In Garruk's Wake
20%inclusion1 decks5 decks
16%synergy
Dirge of Dread
20%inclusion1 decks5 decks
20%synergy
Raise Dead
20%inclusion1 decks5 decks
19%synergy
Gruesome Fate
20%inclusion1 decks5 decks
18%synergy
Crippling Fear
20%inclusion1 decks5 decks
17%synergy
Plague of Vermin
20%inclusion1 decks5 decks
18%synergy
Utility Artifacts
Vanquisher's Banner
60%inclusion3 decks5 decks
56%synergy
Bontu's Monument
60%inclusion3 decks5 decks
32%synergy
Eldrazi Monument
60%inclusion3 decks5 decks
58%synergy
Contagion Engine
40%inclusion2 decks5 decks
38%synergy
Skullclamp
40%inclusion2 decks5 decks
18%synergy
Akroma's Memorial
40%inclusion2 decks5 decks
39%synergy
Contagion Clasp
20%inclusion1 decks5 decks
18%synergy
Coat of Arms
20%inclusion1 decks5 decks
18%synergy
Haunted Cloak
20%inclusion1 decks5 decks
19%synergy
Prosthetic Injector
20%inclusion1 decks5 decks
20%synergy
Door of Destinies
20%inclusion1 decks5 decks
18%synergy
Cloak of the Bat
20%inclusion1 decks5 decks
20%synergy
Grafted Exoskeleton
20%inclusion1 decks5 decks
19%synergy
Hero's Heirloom
20%inclusion1 decks5 decks
20%synergy
Forebear's Blade
20%inclusion1 decks5 decks
20%synergy
Enchantments
Relic Putrescence
40%inclusion2 decks5 decks
40%synergy
Phyresis
40%inclusion2 decks5 decks
38%synergy
Cover of Darkness
40%inclusion2 decks5 decks
37%synergy
Vampiric Rites
20%inclusion1 decks5 decks
14%synergy
Tribute to Horobi
20%inclusion1 decks5 decks
19%synergy
Underworld Dreams
20%inclusion1 decks5 decks
14%synergy
Snake Cult Initiation
20%inclusion1 decks5 decks
20%synergy
Bastion of Remembrance
20%inclusion1 decks5 decks
3%synergy
Fungal Fortitude
20%inclusion1 decks5 decks
19%synergy
Black Market Connections
20%inclusion1 decks5 decks
-5%synergy
Phyrexian Arena
20%inclusion1 decks5 decks
-19%synergy
Dark Prophecy
20%inclusion1 decks5 decks
16%synergy
Leyline of the Void
20%inclusion1 decks5 decks
18%synergy
Planeswalkers
Vraska, Betrayal's Sting
60%inclusion3 decks5 decks
57%synergy
Liliana of the Dark Realms
20%inclusion1 decks5 decks
6%synergy
Utility Lands
Bojuka Bog
80%inclusion4 decks5 decks
33%synergy
Swarmyard
60%inclusion3 decks5 decks
54%synergy
Cabal Coffers
60%inclusion3 decks5 decks
5%synergy
Karn's Bastion
60%inclusion3 decks5 decks
56%synergy
Cabal Stronghold
40%inclusion2 decks5 decks
6%synergy
Barren Moor
40%inclusion2 decks5 decks
31%synergy
Crypt of Agadeem
40%inclusion2 decks5 decks
28%synergy
Access Tunnel
40%inclusion2 decks5 decks
37%synergy
Secret Tunnel
33%inclusion1 decks3 decks
32%synergy
Mortuary Mire
20%inclusion1 decks5 decks
7%synergy
Radiant Fountain
20%inclusion1 decks5 decks
18%synergy
Command Beacon
20%inclusion1 decks5 decks
12%synergy
Nykthos, Shrine to Nyx
20%inclusion1 decks5 decks
-10%synergy
Polluted Mire
20%inclusion1 decks5 decks
17%synergy
Mudflat Village
20%inclusion1 decks5 decks
17%synergy
Reliquary Tower
20%inclusion1 decks5 decks
-9%synergy
Temple of the False God
20%inclusion1 decks5 decks
13%synergy
Three Tree City
20%inclusion1 decks5 decks
15%synergy
Urborg, Tomb of Yawgmoth
20%inclusion1 decks5 decks
-18%synergy
Rogue's Passage
20%inclusion1 decks5 decks
0%synergy
Mana Artifacts
Glistening Sphere
80%inclusion4 decks5 decks
79%synergy
Sol Ring
60%inclusion3 decks5 decks
-25%synergy
Caged Sun
40%inclusion2 decks5 decks
30%synergy
Staff of Compleation
40%inclusion2 decks5 decks
38%synergy
Patchwork Banner
40%inclusion2 decks5 decks
35%synergy
The Soul Stone
33%inclusion1 decks3 decks
17%synergy
Commander's Sphere
20%inclusion1 decks5 decks
12%synergy
Arcane Signet
20%inclusion1 decks5 decks
-41%synergy
Charcoal Diamond
20%inclusion1 decks5 decks
-2%synergy
Pristine Talisman
20%inclusion1 decks5 decks
18%synergy
Fellwar Stone
20%inclusion1 decks5 decks
6%synergy
Lands
Swamp
100%inclusion5 decks5 decks
5%synergy
Path of Ancestry
80%inclusion4 decks5 decks
75%synergy
Myriad Landscape
40%inclusion2 decks5 decks
16%synergy
Daily Bugle Building
33%inclusion1 decks3 decks
33%synergy
Fell the Profane
20%inclusion1 decks5 decks
0%synergy
Command Tower
20%inclusion1 decks5 decks
14%synergy
Malakir Rebirth
20%inclusion1 decks5 decks
-4%synergy
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