Karumonix, the Rat King (Commander) - Optimized Midrange

Karumonix, the Rat King
Rank #412
1decks
As CommanderAs CardAverage DeckDecks
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1
2345
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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Moxfield
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Creatures
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Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Bolas's Citadel
100%inclusion1 decks1 decks
72%synergy
Demonic Tutor
100%inclusion1 decks1 decks
73%synergy
Necropotence
100%inclusion1 decks1 decks
86%synergy
Vampiric Tutor
100%inclusion1 decks1 decks
79%synergy
Creatures
Ogre Slumlord
100%inclusion1 decks1 decks
91%synergy
Crypt Rats
100%inclusion1 decks1 decks
96%synergy
Rotting Rats
100%inclusion1 decks1 decks
97%synergy
Marrow-Gnawer
100%inclusion1 decks1 decks
97%synergy
Burglar Rat
100%inclusion1 decks1 decks
90%synergy
Ravenous Rats
100%inclusion1 decks1 decks
98%synergy
Tangled Colony
100%inclusion1 decks1 decks
97%synergy
Lord Skitter's Butcher
100%inclusion1 decks1 decks
97%synergy
Skullsnatcher
100%inclusion1 decks1 decks
99%synergy
Pack Rat
100%inclusion1 decks1 decks
94%synergy
Throat Slitter
100%inclusion1 decks1 decks
98%synergy
Locust Miser
100%inclusion1 decks1 decks
99%synergy
Nezumi Cutthroat
100%inclusion1 decks1 decks
99%synergy
Crypt Ghast
100%inclusion1 decks1 decks
53%synergy
Piper of the Swarm
100%inclusion1 decks1 decks
93%synergy
Nezumi Informant
100%inclusion1 decks1 decks
94%synergy
Nezumi Prowler
100%inclusion1 decks1 decks
99%synergy
Blightbelly Rat
100%inclusion1 decks1 decks
97%synergy
Drainpipe Vermin
100%inclusion1 decks1 decks
99%synergy
Septic Rats
100%inclusion1 decks1 decks
98%synergy
Wave of Rats
100%inclusion1 decks1 decks
98%synergy
Gnat Miser
100%inclusion1 decks1 decks
97%synergy
Nashi, Moon Sage's Scion
100%inclusion1 decks1 decks
96%synergy
Typhoid Rats
100%inclusion1 decks1 decks
97%synergy
Skithiryx, the Blight Dragon
100%inclusion1 decks1 decks
99%synergy
Rancid Rats
100%inclusion1 decks1 decks
98%synergy
Stronghold Rats
100%inclusion1 decks1 decks
97%synergy
Rat Colony
100%inclusion1 decks1 decks
95%synergy
Lord Skitter, Sewer King
100%inclusion1 decks1 decks
92%synergy
Ichor Rats
100%inclusion1 decks1 decks
97%synergy
Instants
Snuff Out
100%inclusion1 decks1 decks
86%synergy
Dark Ritual
100%inclusion1 decks1 decks
33%synergy
Darkness
100%inclusion1 decks1 decks
89%synergy
Tainted Strike
100%inclusion1 decks1 decks
97%synergy
Withering Torment
100%inclusion1 decks1 decks
68%synergy
Sorceries
Patriarch's Bidding
100%inclusion1 decks1 decks
96%synergy
Phyresis Outbreak
100%inclusion1 decks1 decks
98%synergy
Swarmyard Massacre
100%inclusion1 decks1 decks
98%synergy
Infectious Inquiry
100%inclusion1 decks1 decks
97%synergy
Toxic Deluge
100%inclusion1 decks1 decks
63%synergy
Drown in Ichor
100%inclusion1 decks1 decks
97%synergy
Plague of Vermin
100%inclusion1 decks1 decks
98%synergy
Pact of the Serpent
100%inclusion1 decks1 decks
98%synergy
Utility Artifacts
Contagion Engine
100%inclusion1 decks1 decks
98%synergy
Skullclamp
100%inclusion1 decks1 decks
78%synergy
Jet Medallion
100%inclusion1 decks1 decks
38%synergy
Brotherhood Regalia
100%inclusion1 decks1 decks
97%synergy
Sword of the Animist
100%inclusion1 decks1 decks
96%synergy
Grafted Exoskeleton
100%inclusion1 decks1 decks
99%synergy
Enchantments
Phyresis
100%inclusion1 decks1 decks
98%synergy
Black Market Connections
100%inclusion1 decks1 decks
75%synergy
Cover of Darkness
100%inclusion1 decks1 decks
97%synergy
Planeswalkers
Vraska, Betrayal's Sting
100%inclusion1 decks1 decks
97%synergy
Utility Lands
Shizo, Death's Storehouse
100%inclusion1 decks1 decks
90%synergy
Bojuka Bog
100%inclusion1 decks1 decks
53%synergy
Swarmyard
100%inclusion1 decks1 decks
94%synergy
Inkmoth Nexus
100%inclusion1 decks1 decks
99%synergy
Mutavault
100%inclusion1 decks1 decks
99%synergy
Witch's Cottage
100%inclusion1 decks1 decks
75%synergy
Cabal Coffers
100%inclusion1 decks1 decks
45%synergy
Deserted Temple
100%inclusion1 decks1 decks
96%synergy
Karn's Bastion
100%inclusion1 decks1 decks
96%synergy
Mudflat Village
100%inclusion1 decks1 decks
97%synergy
Castle Locthwain
100%inclusion1 decks1 decks
83%synergy
Three Tree City
100%inclusion1 decks1 decks
95%synergy
Access Tunnel
100%inclusion1 decks1 decks
97%synergy
Mana Artifacts
Arcane Signet
100%inclusion1 decks1 decks
39%synergy
Staff of Compleation
100%inclusion1 decks1 decks
98%synergy
Glistening Sphere
100%inclusion1 decks1 decks
99%synergy
Sol Ring
100%inclusion1 decks1 decks
15%synergy
Lands
Swamp
100%inclusion1 decks1 decks
5%synergy
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