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

Karumonix, the Rat King
Rank #385
1decks
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
Bolas's Citadel
100%inclusion1 decks1 decks
71%synergy
Demonic Tutor
100%inclusion1 decks1 decks
73%synergy
Chrome Mox
100%inclusion1 decks1 decks
94%synergy
Creatures
Ogre Slumlord
100%inclusion1 decks1 decks
90%synergy
Nezumi Graverobber
100%inclusion1 decks1 decks
99%synergy
Marrow-Gnawer
100%inclusion1 decks1 decks
97%synergy
Burglar Rat
100%inclusion1 decks1 decks
89%synergy
Pack Rat
100%inclusion1 decks1 decks
94%synergy
Ink-Eyes, Servant of Oni
100%inclusion1 decks1 decks
97%synergy
Persistent Marshstalker
100%inclusion1 decks1 decks
97%synergy
Ashcoat of the Shadow Swarm
100%inclusion1 decks1 decks
97%synergy
Piper of the Swarm
100%inclusion1 decks1 decks
93%synergy
Blightbelly Rat
100%inclusion1 decks1 decks
96%synergy
Septic Rats
100%inclusion1 decks1 decks
98%synergy
Nashi, Moon Sage's Scion
100%inclusion1 decks1 decks
96%synergy
Rat Colony
100%inclusion1 decks1 decks
94%synergy
Ichor Rats
100%inclusion1 decks1 decks
97%synergy
Instants
Deadly Rollick
100%inclusion1 decks1 decks
76%synergy
Whisper of the Dross
100%inclusion1 decks1 decks
97%synergy
Go for the Throat
100%inclusion1 decks1 decks
77%synergy
Dark Ritual
100%inclusion1 decks1 decks
33%synergy
Cabal Ritual
100%inclusion1 decks1 decks
82%synergy
Tainted Strike
100%inclusion1 decks1 decks
97%synergy
Dismember
100%inclusion1 decks1 decks
90%synergy
Sorceries
Diabolic Intent
100%inclusion1 decks1 decks
85%synergy
Black Sun's Zenith
100%inclusion1 decks1 decks
95%synergy
Yawgmoth's Will
100%inclusion1 decks1 decks
97%synergy
Feed the Swarm
100%inclusion1 decks1 decks
50%synergy
Toxic Deluge
100%inclusion1 decks1 decks
63%synergy
Damnation
100%inclusion1 decks1 decks
79%synergy
Drown in Ichor
100%inclusion1 decks1 decks
96%synergy
Grim Tutor
100%inclusion1 decks1 decks
88%synergy
Utility Artifacts
Sensei's Divining Top
100%inclusion1 decks1 decks
92%synergy
Defense Grid
100%inclusion1 decks1 decks
98%synergy
Contagion Engine
100%inclusion1 decks1 decks
98%synergy
Aetherflux Reservoir
100%inclusion1 decks1 decks
90%synergy
Bontu's Monument
100%inclusion1 decks1 decks
72%synergy
Thrumming Stone
100%inclusion1 decks1 decks
96%synergy
Jet Medallion
100%inclusion1 decks1 decks
38%synergy
Herald's Horn
100%inclusion1 decks1 decks
94%synergy
Lightning Greaves
100%inclusion1 decks1 decks
66%synergy
Thornbite Staff
100%inclusion1 decks1 decks
97%synergy
Enchantments
The Meathook Massacre
100%inclusion1 decks1 decks
83%synergy
Koskun Falls
100%inclusion1 decks1 decks
99%synergy
Cover of Darkness
100%inclusion1 decks1 decks
97%synergy
Leyline of the Void
100%inclusion1 decks1 decks
98%synergy
Planeswalkers
Vraska, Betrayal's Sting
100%inclusion1 decks1 decks
97%synergy
Utility Lands
Bojuka Bog
100%inclusion1 decks1 decks
53%synergy
Wasteland
100%inclusion1 decks1 decks
99%synergy
Phyrexian Tower
100%inclusion1 decks1 decks
75%synergy
Blast Zone
100%inclusion1 decks1 decks
98%synergy
Swarmyard
100%inclusion1 decks1 decks
94%synergy
Cabal Coffers
100%inclusion1 decks1 decks
45%synergy
Volrath's Stronghold
100%inclusion1 decks1 decks
96%synergy
Nykthos, Shrine to Nyx
100%inclusion1 decks1 decks
70%synergy
Karn's Bastion
100%inclusion1 decks1 decks
96%synergy
Takenuma, Abandoned Mire
100%inclusion1 decks1 decks
84%synergy
Mudflat Village
100%inclusion1 decks1 decks
97%synergy
Lake of the Dead
100%inclusion1 decks1 decks
95%synergy
Strip Mine
100%inclusion1 decks1 decks
97%synergy
Urborg, Tomb of Yawgmoth
100%inclusion1 decks1 decks
62%synergy
Mana Artifacts
Sol Ring
100%inclusion1 decks1 decks
14%synergy
Lands
Swamp
100%inclusion1 decks1 decks
5%synergy
Cavern of Souls
100%inclusion1 decks1 decks
93%synergy
Gemstone Caverns
100%inclusion1 decks1 decks
96%synergy
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