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

Karumonix, the Rat King
Rank #385
3decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for Building Rat Typal With Marrow-Gnawer
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 King, Verminister
100%inclusion1 decks1 decks
97%synergy
Game Changers
Demonic Tutor
33%inclusion1 decks3 decks
6%synergy
Creatures
Marrow-Gnawer
100%inclusion3 decks3 decks
97%synergy
Ayara, First of Locthwain
100%inclusion3 decks3 decks
74%synergy
Species Specialist
100%inclusion3 decks3 decks
97%synergy
Ashcoat of the Shadow Swarm
100%inclusion3 decks3 decks
97%synergy
Crypt Ghast
100%inclusion3 decks3 decks
52%synergy
Piper of the Swarm
100%inclusion3 decks3 decks
93%synergy
Ogre Slumlord
67%inclusion2 decks3 decks
57%synergy
Filth
67%inclusion2 decks3 decks
64%synergy
Valley Rotcaller
67%inclusion2 decks3 decks
64%synergy
Ratcatcher
67%inclusion2 decks3 decks
63%synergy
Gnat Miser
67%inclusion2 decks3 decks
64%synergy
Rat Colony
67%inclusion2 decks3 decks
61%synergy
Lord Skitter, Sewer King
67%inclusion2 decks3 decks
58%synergy
Patron of the Nezumi
33%inclusion1 decks3 decks
33%synergy
Hell's Caretaker
33%inclusion1 decks3 decks
32%synergy
Crashing Drawbridge
33%inclusion1 decks3 decks
31%synergy
Roaming Throne
33%inclusion1 decks3 decks
30%synergy
Tangled Colony
33%inclusion1 decks3 decks
30%synergy
Lord Skitter's Butcher
33%inclusion1 decks3 decks
30%synergy
Locust Miser
33%inclusion1 decks3 decks
32%synergy
Persistent Marshstalker
33%inclusion1 decks3 decks
30%synergy
Engine Rat
33%inclusion1 decks3 decks
32%synergy
Twisted Sewer-Witch
33%inclusion1 decks3 decks
32%synergy
Changeling Outcast
33%inclusion1 decks3 decks
28%synergy
Blightbelly Rat
33%inclusion1 decks3 decks
30%synergy
Septic Rats
33%inclusion1 decks3 decks
31%synergy
Nashi, Moon Sage's Scion
33%inclusion1 decks3 decks
29%synergy
Rancid Rats
33%inclusion1 decks3 decks
31%synergy
Stronghold Rats
33%inclusion1 decks3 decks
30%synergy
Ichor Rats
33%inclusion1 decks3 decks
30%synergy
Instants
Dark Ritual
67%inclusion2 decks3 decks
0%synergy
Sudden Spoiling
67%inclusion2 decks3 decks
58%synergy
Go for the Throat
33%inclusion1 decks3 decks
10%synergy
Imp's Mischief
33%inclusion1 decks3 decks
9%synergy
Village Rites
33%inclusion1 decks3 decks
8%synergy
Darkness
33%inclusion1 decks3 decks
23%synergy
Murder
33%inclusion1 decks3 decks
23%synergy
Tainted Strike
33%inclusion1 decks3 decks
30%synergy
Plumb the Forbidden
33%inclusion1 decks3 decks
29%synergy
Sorceries
Phyresis Outbreak
67%inclusion2 decks3 decks
65%synergy
Exsanguinate
67%inclusion2 decks3 decks
42%synergy
Victimize
33%inclusion1 decks3 decks
7%synergy
Patriarch's Bidding
33%inclusion1 decks3 decks
29%synergy
Revenge of the Rats
33%inclusion1 decks3 decks
30%synergy
Torment of Hailfire
33%inclusion1 decks3 decks
18%synergy
Bubbling Muck
33%inclusion1 decks3 decks
18%synergy
Feed the Infection
33%inclusion1 decks3 decks
33%synergy
Swarmyard Massacre
33%inclusion1 decks3 decks
31%synergy
Infectious Inquiry
33%inclusion1 decks3 decks
31%synergy
Buried Alive
33%inclusion1 decks3 decks
21%synergy
Reanimate
33%inclusion1 decks3 decks
-6%synergy
Geth's Summons
33%inclusion1 decks3 decks
33%synergy
Kindred Dominance
33%inclusion1 decks3 decks
29%synergy
Eaten Alive
33%inclusion1 decks3 decks
30%synergy
Plague of Vermin
33%inclusion1 decks3 decks
31%synergy
Pact of the Serpent
33%inclusion1 decks3 decks
32%synergy
Utility Artifacts
Skullclamp
100%inclusion3 decks3 decks
78%synergy
Bontu's Monument
100%inclusion3 decks3 decks
72%synergy
Jet Medallion
100%inclusion3 decks3 decks
38%synergy
Herald's Horn
100%inclusion3 decks3 decks
94%synergy
Ashnod's Altar
67%inclusion2 decks3 decks
47%synergy
Vanquisher's Banner
67%inclusion2 decks3 decks
63%synergy
Contagion Clasp
33%inclusion1 decks3 decks
31%synergy
Contagion Engine
33%inclusion1 decks3 decks
31%synergy
Whip of Erebos
33%inclusion1 decks3 decks
23%synergy
Coat of Arms
33%inclusion1 decks3 decks
31%synergy
Sword of Truth and Justice
33%inclusion1 decks3 decks
33%synergy
Stoneforge Masterwork
33%inclusion1 decks3 decks
33%synergy
Akroma's Memorial
33%inclusion1 decks3 decks
32%synergy
Door of Destinies
33%inclusion1 decks3 decks
31%synergy
Thrumming Stone
33%inclusion1 decks3 decks
29%synergy
Urza's Incubator
33%inclusion1 decks3 decks
31%synergy
Rings of Brighthearth
33%inclusion1 decks3 decks
32%synergy
Swiftfoot Boots
33%inclusion1 decks3 decks
2%synergy
Lightning Greaves
33%inclusion1 decks3 decks
0%synergy
Grafted Exoskeleton
33%inclusion1 decks3 decks
32%synergy
Enchantments
Grave Pact
67%inclusion2 decks3 decks
47%synergy
Black Market Connections
67%inclusion2 decks3 decks
43%synergy
Cover of Darkness
67%inclusion2 decks3 decks
64%synergy
Oversold Cemetery
67%inclusion2 decks3 decks
61%synergy
The Meathook Massacre
33%inclusion1 decks3 decks
16%synergy
Black Market
33%inclusion1 decks3 decks
12%synergy
Phyrexian Reclamation
33%inclusion1 decks3 decks
23%synergy
Vampiric Rites
33%inclusion1 decks3 decks
27%synergy
Meathook Massacre II
33%inclusion1 decks3 decks
27%synergy
Haunted One
33%inclusion1 decks3 decks
31%synergy
Dictate of Erebos
33%inclusion1 decks3 decks
22%synergy
Funeral Room // Awakening Hall
33%inclusion1 decks3 decks
29%synergy
Attrition
33%inclusion1 decks3 decks
31%synergy
Phyrexian Arena
33%inclusion1 decks3 decks
-7%synergy
Dark Prophecy
33%inclusion1 decks3 decks
29%synergy
Necrogen Communion
33%inclusion1 decks3 decks
32%synergy
Sothera, the Supervoid
33%inclusion1 decks3 decks
30%synergy
Planeswalkers
Liliana of the Dark Realms
100%inclusion3 decks3 decks
86%synergy
Vraska, Betrayal's Sting
33%inclusion1 decks3 decks
31%synergy
Utility Lands
Cabal Stronghold
100%inclusion3 decks3 decks
65%synergy
Phyrexian Tower
100%inclusion3 decks3 decks
75%synergy
Swarmyard
100%inclusion3 decks3 decks
94%synergy
Cabal Coffers
100%inclusion3 decks3 decks
45%synergy
Three Tree City
100%inclusion3 decks3 decks
95%synergy
Urborg, Tomb of Yawgmoth
100%inclusion3 decks3 decks
62%synergy
Crypt of Agadeem
67%inclusion2 decks3 decks
55%synergy
Nykthos, Shrine to Nyx
67%inclusion2 decks3 decks
37%synergy
Minas Morgul, Dark Fortress
67%inclusion2 decks3 decks
64%synergy
Reliquary Tower
67%inclusion2 decks3 decks
36%synergy
Rogue's Passage
67%inclusion2 decks3 decks
48%synergy
Secret Tunnel
50%inclusion1 decks2 decks
49%synergy
Shizo, Death's Storehouse
33%inclusion1 decks3 decks
23%synergy
Westvale Abbey
33%inclusion1 decks3 decks
27%synergy
Mortuary Mire
33%inclusion1 decks3 decks
20%synergy
Deserted Temple
33%inclusion1 decks3 decks
29%synergy
Karn's Bastion
33%inclusion1 decks3 decks
29%synergy
Mudflat Village
33%inclusion1 decks3 decks
31%synergy
Access Tunnel
33%inclusion1 decks3 decks
30%synergy
Midgar, City of Mako
33%inclusion1 decks3 decks
22%synergy
Susur Secundi, Void Altar
33%inclusion1 decks3 decks
26%synergy
Mana Artifacts
Arcane Signet
33%inclusion1 decks3 decks
-28%synergy
Gauntlet of Power
33%inclusion1 decks3 decks
30%synergy
Glistening Sphere
33%inclusion1 decks3 decks
32%synergy
Patchwork Banner
33%inclusion1 decks3 decks
29%synergy
Sol Ring
33%inclusion1 decks3 decks
-53%synergy
The Soul Stone
33%inclusion1 decks3 decks
19%synergy
Lands
Swamp
100%inclusion3 decks3 decks
5%synergy
Cavern of Souls
67%inclusion2 decks3 decks
60%synergy
Path of Ancestry
67%inclusion2 decks3 decks
62%synergy
Talon Gates of Madara
33%inclusion1 decks3 decks
32%synergy
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