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

Karumonix, the Rat King
Rank #393
1decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
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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Imperial Seal
100%inclusion1 decks1 decks
93%synergy
Bolas's Citadel
100%inclusion1 decks1 decks
72%synergy
Demonic Tutor
100%inclusion1 decks1 decks
73%synergy
Necropotence
100%inclusion1 decks1 decks
85%synergy
Ad Nauseam
100%inclusion1 decks1 decks
97%synergy
Vampiric Tutor
100%inclusion1 decks1 decks
79%synergy
Creatures
Ogre Slumlord
100%inclusion1 decks1 decks
90%synergy
Marrow-Gnawer
100%inclusion1 decks1 decks
97%synergy
Ayara, First of Locthwain
100%inclusion1 decks1 decks
75%synergy
Tangled Colony
100%inclusion1 decks1 decks
97%synergy
Pack Rat
100%inclusion1 decks1 decks
94%synergy
Chittering Skitterling
100%inclusion1 decks1 decks
99%synergy
Chittering Witch
100%inclusion1 decks1 decks
96%synergy
Voracious Vermin
100%inclusion1 decks1 decks
97%synergy
Phyrexian Crusader
100%inclusion1 decks1 decks
99%synergy
Ashcoat of the Shadow Swarm
100%inclusion1 decks1 decks
97%synergy
Yawgmoth, Thran Physician
100%inclusion1 decks1 decks
90%synergy
Changeling Outcast
100%inclusion1 decks1 decks
95%synergy
Piper of the Swarm
100%inclusion1 decks1 decks
93%synergy
Nezumi Prowler
100%inclusion1 decks1 decks
99%synergy
Ratcatcher
100%inclusion1 decks1 decks
97%synergy
Blightbelly Rat
100%inclusion1 decks1 decks
97%synergy
Septic Rats
100%inclusion1 decks1 decks
98%synergy
Bloated Processor
100%inclusion1 decks1 decks
100%synergy
Skithiryx, the Blight Dragon
100%inclusion1 decks1 decks
99%synergy
Hand of the Praetors
100%inclusion1 decks1 decks
99%synergy
Lord Skitter, Sewer King
100%inclusion1 decks1 decks
92%synergy
Ichor Rats
100%inclusion1 decks1 decks
97%synergy
Rat King, Verminister
100%inclusion1 decks1 decks
97%synergy
Rat King, Pale Piper
100%inclusion1 decks1 decks
96%synergy
Instants
Go for the Throat
100%inclusion1 decks1 decks
77%synergy
Vraska's Fall
100%inclusion1 decks1 decks
97%synergy
Anoint with Affliction
100%inclusion1 decks1 decks
99%synergy
Grim Affliction
100%inclusion1 decks1 decks
98%synergy
Dark Ritual
100%inclusion1 decks1 decks
33%synergy
Tainted Strike
100%inclusion1 decks1 decks
97%synergy
Plumb the Forbidden
100%inclusion1 decks1 decks
96%synergy
Sorceries
Patriarch's Bidding
100%inclusion1 decks1 decks
96%synergy
Phyresis Outbreak
100%inclusion1 decks1 decks
98%synergy
Feed the Swarm
100%inclusion1 decks1 decks
50%synergy
Infectious Inquiry
100%inclusion1 decks1 decks
97%synergy
Exsanguinate
100%inclusion1 decks1 decks
75%synergy
Drown in Ichor
100%inclusion1 decks1 decks
96%synergy
Grim Tutor
100%inclusion1 decks1 decks
88%synergy
Crippling Fear
100%inclusion1 decks1 decks
97%synergy
Utility Artifacts
Contagion Clasp
100%inclusion1 decks1 decks
98%synergy
Contagion Engine
100%inclusion1 decks1 decks
98%synergy
Throne of Geth
100%inclusion1 decks1 decks
100%synergy
Vanquisher's Banner
100%inclusion1 decks1 decks
96%synergy
Bontu's Monument
100%inclusion1 decks1 decks
72%synergy
Akroma's Memorial
100%inclusion1 decks1 decks
99%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
Enchantments
Haunted One
100%inclusion1 decks1 decks
97%synergy
Phyresis
100%inclusion1 decks1 decks
98%synergy
Black Market Connections
100%inclusion1 decks1 decks
76%synergy
Cover of Darkness
100%inclusion1 decks1 decks
97%synergy
Phyrexian Arena
100%inclusion1 decks1 decks
61%synergy
Planeswalkers
Vraska, Betrayal's Sting
100%inclusion1 decks1 decks
97%synergy
Utility Lands
Bojuka Bog
100%inclusion1 decks1 decks
53%synergy
Swarmyard
100%inclusion1 decks1 decks
94%synergy
Witch's Cottage
100%inclusion1 decks1 decks
75%synergy
Cabal Coffers
100%inclusion1 decks1 decks
45%synergy
Nykthos, Shrine to Nyx
100%inclusion1 decks1 decks
70%synergy
Karn's Bastion
100%inclusion1 decks1 decks
96%synergy
Mudflat Village
100%inclusion1 decks1 decks
97%synergy
Rogue's Passage
100%inclusion1 decks1 decks
81%synergy
Mana Artifacts
Arcane Signet
100%inclusion1 decks1 decks
38%synergy
Staff of Compleation
100%inclusion1 decks1 decks
98%synergy
Glistening Sphere
100%inclusion1 decks1 decks
99%synergy
Sol Ring
100%inclusion1 decks1 decks
14%synergy
Lands
Swamp
100%inclusion1 decks1 decks
5%synergy
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