Karumonix, the Rat King (Commander) - Expensive Core Aggro

Karumonix, the Rat King
Rank #412
2decks
As CommanderAs CardAverage DeckDecks
Bracket
All
1
23
4
5
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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Lands
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Marrow-Gnawer
100%inclusion2 decks2 decks
97%synergy
Ashcoat of the Shadow Swarm
100%inclusion2 decks2 decks
96%synergy
Yawgmoth, Thran Physician
100%inclusion2 decks2 decks
90%synergy
Piper of the Swarm
100%inclusion2 decks2 decks
93%synergy
Blightbelly Rat
100%inclusion2 decks2 decks
97%synergy
Nashi, Moon Sage's Scion
100%inclusion2 decks2 decks
96%synergy
Lord Skitter, Sewer King
100%inclusion2 decks2 decks
92%synergy
Rat King, Verminister
100%inclusion1 decks1 decks
97%synergy
Rat King, Pale Piper
100%inclusion1 decks1 decks
96%synergy
Ogre Slumlord
50%inclusion1 decks2 decks
41%synergy
Innocuous Rat
50%inclusion1 decks2 decks
49%synergy
Rotting Rats
50%inclusion1 decks2 decks
47%synergy
Burglar Rat
50%inclusion1 decks2 decks
40%synergy
Gnawing Vermin
50%inclusion1 decks2 decks
49%synergy
Ruthless Radrat
50%inclusion1 decks2 decks
49%synergy
Ayara, First of Locthwain
50%inclusion1 decks2 decks
25%synergy
Gray Merchant of Asphodel
50%inclusion1 decks2 decks
-0%synergy
Tangled Colony
50%inclusion1 decks2 decks
47%synergy
Filth
50%inclusion1 decks2 decks
48%synergy
Lord Skitter's Butcher
50%inclusion1 decks2 decks
47%synergy
Species Specialist
50%inclusion1 decks2 decks
47%synergy
Skullsnatcher
50%inclusion1 decks2 decks
49%synergy
Pack Rat
50%inclusion1 decks2 decks
44%synergy
Nezumi Linkbreaker
50%inclusion1 decks2 decks
49%synergy
Zodiac Rat
50%inclusion1 decks2 decks
50%synergy
Sinuous Vermin
50%inclusion1 decks2 decks
50%synergy
Persistent Marshstalker
50%inclusion1 decks2 decks
47%synergy
Engine Rat
50%inclusion1 decks2 decks
48%synergy
Swarm of Rats
50%inclusion1 decks2 decks
48%synergy
Chittering Witch
50%inclusion1 decks2 decks
46%synergy
Voracious Vermin
50%inclusion1 decks2 decks
47%synergy
Valley Rotcaller
50%inclusion1 decks2 decks
47%synergy
Nezumi Cutthroat
50%inclusion1 decks2 decks
49%synergy
Changeling Outcast
50%inclusion1 decks2 decks
45%synergy
Nezumi Informant
50%inclusion1 decks2 decks
44%synergy
Nezumi Prowler
50%inclusion1 decks2 decks
49%synergy
Ratcatcher
50%inclusion1 decks2 decks
47%synergy
Drainpipe Vermin
50%inclusion1 decks2 decks
49%synergy
Muck Rats
50%inclusion1 decks2 decks
50%synergy
Sewer Rats
50%inclusion1 decks2 decks
50%synergy
Septic Rats
50%inclusion1 decks2 decks
48%synergy
Gnat Miser
50%inclusion1 decks2 decks
47%synergy
Universal Automaton
50%inclusion1 decks2 decks
50%synergy
Typhoid Rats
50%inclusion1 decks2 decks
47%synergy
Rancid Rats
50%inclusion1 decks2 decks
48%synergy
Stronghold Rats
50%inclusion1 decks2 decks
47%synergy
Rat Colony
50%inclusion1 decks2 decks
45%synergy
Ruin Rat
50%inclusion1 decks2 decks
49%synergy
Ichor Rats
50%inclusion1 decks2 decks
47%synergy
Undercity Dire Rat
50%inclusion1 decks2 decks
48%synergy
Instants
Deadly Rollick
100%inclusion2 decks2 decks
74%synergy
Fell the Profane
50%inclusion1 decks2 decks
30%synergy
Fatal Push
50%inclusion1 decks2 decks
47%synergy
Whisper of the Dross
50%inclusion1 decks2 decks
47%synergy
Imp's Mischief
50%inclusion1 decks2 decks
24%synergy
Vraska's Fall
50%inclusion1 decks2 decks
47%synergy
Consuming Corruption
50%inclusion1 decks2 decks
35%synergy
Anoint with Affliction
50%inclusion1 decks2 decks
49%synergy
Grim Affliction
50%inclusion1 decks2 decks
48%synergy
Dark Ritual
50%inclusion1 decks2 decks
-17%synergy
Virulent Wound
50%inclusion1 decks2 decks
50%synergy
Bitter Triumph
50%inclusion1 decks2 decks
40%synergy
Tainted Strike
50%inclusion1 decks2 decks
47%synergy
Foul-Tongue Shriek
50%inclusion1 decks2 decks
48%synergy
Malakir Rebirth
50%inclusion1 decks2 decks
26%synergy
Curtains' Call
50%inclusion1 decks2 decks
48%synergy
Sorceries
Phyresis Outbreak
100%inclusion2 decks2 decks
98%synergy
Infectious Inquiry
100%inclusion2 decks2 decks
97%synergy
Bloodline Bidding
100%inclusion1 decks1 decks
96%synergy
Patriarch's Bidding
50%inclusion1 decks2 decks
46%synergy
Revenge of the Rats
50%inclusion1 decks2 decks
47%synergy
Torment of Hailfire
50%inclusion1 decks2 decks
35%synergy
Forever Young
50%inclusion1 decks2 decks
49%synergy
Echoing Return
50%inclusion1 decks2 decks
47%synergy
Read the Bones
50%inclusion1 decks2 decks
34%synergy
Mutilate
50%inclusion1 decks2 decks
35%synergy
Night's Whisper
50%inclusion1 decks2 decks
24%synergy
Sign in Blood
50%inclusion1 decks2 decks
15%synergy
Drown in Ichor
50%inclusion1 decks2 decks
47%synergy
Crippling Fear
50%inclusion1 decks2 decks
47%synergy
Plague of Vermin
50%inclusion1 decks2 decks
48%synergy
Utility Artifacts
Chronicle of Victory
100%inclusion1 decks1 decks
97%synergy
Contagion Clasp
50%inclusion1 decks2 decks
48%synergy
Contagion Engine
50%inclusion1 decks2 decks
48%synergy
Ashnod's Altar
50%inclusion1 decks2 decks
30%synergy
Whip of Erebos
50%inclusion1 decks2 decks
39%synergy
Skullclamp
50%inclusion1 decks2 decks
28%synergy
Sword of Truth and Justice
50%inclusion1 decks2 decks
49%synergy
Bontu's Monument
50%inclusion1 decks2 decks
22%synergy
Door of Destinies
50%inclusion1 decks2 decks
48%synergy
Thrumming Stone
50%inclusion1 decks2 decks
46%synergy
Jet Medallion
50%inclusion1 decks2 decks
-12%synergy
Herald's Horn
50%inclusion1 decks2 decks
44%synergy
Lightning Greaves
50%inclusion1 decks2 decks
16%synergy
Enchantments
Phyrexian Reclamation
50%inclusion1 decks2 decks
40%synergy
Grave Pact
50%inclusion1 decks2 decks
30%synergy
Cover of Darkness
50%inclusion1 decks2 decks
47%synergy
Phyrexian Arena
50%inclusion1 decks2 decks
11%synergy
Bad Moon
50%inclusion1 decks2 decks
47%synergy
Utility Lands
Swarmyard
100%inclusion2 decks2 decks
94%synergy
Karn's Bastion
100%inclusion2 decks2 decks
96%synergy
Shizo, Death's Storehouse
50%inclusion1 decks2 decks
40%synergy
Cabal Stronghold
50%inclusion1 decks2 decks
16%synergy
Phyrexian Tower
50%inclusion1 decks2 decks
23%synergy
Hall of the Bandit Lord
50%inclusion1 decks2 decks
49%synergy
Cabal Coffers
50%inclusion1 decks2 decks
-5%synergy
Nykthos, Shrine to Nyx
50%inclusion1 decks2 decks
20%synergy
Minas Morgul, Dark Fortress
50%inclusion1 decks2 decks
47%synergy
Diamond City
50%inclusion1 decks2 decks
50%synergy
Mudflat Village
50%inclusion1 decks2 decks
47%synergy
Three Tree City
50%inclusion1 decks2 decks
45%synergy
Urborg, Tomb of Yawgmoth
50%inclusion1 decks2 decks
12%synergy
Rogue's Passage
50%inclusion1 decks2 decks
30%synergy
Mana Artifacts
Sol Ring
100%inclusion2 decks2 decks
15%synergy
Staff of Compleation
50%inclusion1 decks2 decks
48%synergy
Glistening Sphere
50%inclusion1 decks2 decks
49%synergy
Lands
Swamp
100%inclusion2 decks2 decks
5%synergy
Prismatic Vista
50%inclusion1 decks2 decks
47%synergy
Fell the Profane
50%inclusion1 decks2 decks
30%synergy
Verdant Catacombs
50%inclusion1 decks2 decks
46%synergy
Malakir Rebirth
50%inclusion1 decks2 decks
26%synergy
Path of Ancestry
50%inclusion1 decks2 decks
45%synergy
Marsh Flats
50%inclusion1 decks2 decks
46%synergy
Polluted Delta
50%inclusion1 decks2 decks
46%synergy
Bloodstained Mire
50%inclusion1 decks2 decks
46%synergy
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