Karumonix, the Rat King (Commander) - Optimized Aggro

Karumonix, the Rat King
Rank #400
2decks
As CommanderAs CardAverage DeckDecks
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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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Utility Lands
Mana Artifacts
Lands
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Demonic Tutor
50%inclusion1 decks2 decks
23%synergy
Vampiric Tutor
50%inclusion1 decks2 decks
29%synergy
Creatures
Ogre Slumlord
100%inclusion2 decks2 decks
90%synergy
Crypt Rats
100%inclusion2 decks2 decks
96%synergy
Marrow-Gnawer
100%inclusion2 decks2 decks
97%synergy
Pack Rat
100%inclusion2 decks2 decks
94%synergy
Piper of the Swarm
100%inclusion2 decks2 decks
93%synergy
Blightbelly Rat
100%inclusion2 decks2 decks
97%synergy
Septic Rats
100%inclusion2 decks2 decks
98%synergy
Typhoid Rats
100%inclusion2 decks2 decks
96%synergy
Stronghold Rats
100%inclusion2 decks2 decks
96%synergy
Lord Skitter, Sewer King
100%inclusion2 decks2 decks
92%synergy
Ichor Rats
100%inclusion2 decks2 decks
97%synergy
Rat King, Pale Piper
100%inclusion2 decks2 decks
96%synergy
Chittering Rats
50%inclusion1 decks2 decks
49%synergy
Burglar Rat
50%inclusion1 decks2 decks
39%synergy
Gnawing Vermin
50%inclusion1 decks2 decks
49%synergy
Roaming Throne
50%inclusion1 decks2 decks
47%synergy
Tangled Colony
50%inclusion1 decks2 decks
47%synergy
Nezumi Bladeblesser
50%inclusion1 decks2 decks
49%synergy
Daggerfang Duo
50%inclusion1 decks2 decks
49%synergy
Lord Skitter's Butcher
50%inclusion1 decks2 decks
47%synergy
Sinuous Vermin
50%inclusion1 decks2 decks
50%synergy
Razortooth Rats
50%inclusion1 decks2 decks
49%synergy
Locust Miser
50%inclusion1 decks2 decks
48%synergy
Swarm of Rats
50%inclusion1 decks2 decks
48%synergy
Walking Atlas
50%inclusion1 decks2 decks
49%synergy
Chittering Skitterling
50%inclusion1 decks2 decks
49%synergy
Voracious Vermin
50%inclusion1 decks2 decks
47%synergy
Ashcoat of the Shadow Swarm
50%inclusion1 decks2 decks
46%synergy
Yawgmoth, Thran Physician
50%inclusion1 decks2 decks
40%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
Nezumi Bone-Reader
50%inclusion1 decks2 decks
49%synergy
K'rrik, Son of Yawgmoth
50%inclusion1 decks2 decks
31%synergy
Wave of Rats
50%inclusion1 decks2 decks
48%synergy
Gnat Miser
50%inclusion1 decks2 decks
47%synergy
Rancid Rats
50%inclusion1 decks2 decks
48%synergy
Rat Colony
50%inclusion1 decks2 decks
44%synergy
Ruin Rat
50%inclusion1 decks2 decks
49%synergy
Rat King, Verminister
50%inclusion1 decks2 decks
47%synergy
Instants
Vraska's Fall
100%inclusion2 decks2 decks
97%synergy
Dark Ritual
100%inclusion2 decks2 decks
33%synergy
Reckoner's Bargain
50%inclusion1 decks2 decks
47%synergy
Whisper of the Dross
50%inclusion1 decks2 decks
47%synergy
Village Rites
50%inclusion1 decks2 decks
24%synergy
Grim Affliction
50%inclusion1 decks2 decks
48%synergy
Deadly Dispute
50%inclusion1 decks2 decks
23%synergy
Cabal Ritual
50%inclusion1 decks2 decks
31%synergy
Culling the Weak
50%inclusion1 decks2 decks
33%synergy
Tainted Strike
50%inclusion1 decks2 decks
47%synergy
Corrupted Conviction
50%inclusion1 decks2 decks
38%synergy
Sorceries
Phyresis Outbreak
100%inclusion2 decks2 decks
98%synergy
Infectious Inquiry
100%inclusion2 decks2 decks
97%synergy
Sign in Blood
100%inclusion2 decks2 decks
65%synergy
Vat Emergence
50%inclusion1 decks2 decks
49%synergy
Revenge of the Rats
50%inclusion1 decks2 decks
47%synergy
Bubbling Muck
50%inclusion1 decks2 decks
34%synergy
Read the Bones
50%inclusion1 decks2 decks
34%synergy
Profane Command
50%inclusion1 decks2 decks
48%synergy
Night's Whisper
50%inclusion1 decks2 decks
25%synergy
Caress of Phyrexia
50%inclusion1 decks2 decks
49%synergy
Urborg Uprising
50%inclusion1 decks2 decks
50%synergy
In Garruk's Wake
50%inclusion1 decks2 decks
46%synergy
Toxic Deluge
50%inclusion1 decks2 decks
13%synergy
Kindred Dominance
50%inclusion1 decks2 decks
45%synergy
Drown in Ichor
50%inclusion1 decks2 decks
46%synergy
Plague of Vermin
50%inclusion1 decks2 decks
48%synergy
Utility Artifacts
Bontu's Monument
100%inclusion2 decks2 decks
72%synergy
Jet Medallion
100%inclusion2 decks2 decks
38%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
Throne of Geth
50%inclusion1 decks2 decks
50%synergy
Skullclamp
50%inclusion1 decks2 decks
28%synergy
Decimator Web
50%inclusion1 decks2 decks
50%synergy
Enchantments
Contamination
100%inclusion2 decks2 decks
97%synergy
Glistening Oil
100%inclusion2 decks2 decks
99%synergy
Phyrexian Reclamation
100%inclusion2 decks2 decks
90%synergy
Phyresis
100%inclusion2 decks2 decks
98%synergy
Black Market Connections
100%inclusion2 decks2 decks
76%synergy
Greed
50%inclusion1 decks2 decks
44%synergy
Black Market
50%inclusion1 decks2 decks
29%synergy
Braids's Frightful Return
50%inclusion1 decks2 decks
49%synergy
Vampiric Rites
50%inclusion1 decks2 decks
44%synergy
Lord Skitter's Blessing
50%inclusion1 decks2 decks
49%synergy
Oversold Cemetery
50%inclusion1 decks2 decks
45%synergy
Phyrexian Arena
50%inclusion1 decks2 decks
11%synergy
Necrogen Communion
50%inclusion1 decks2 decks
48%synergy
Planeswalkers
Vraska, Betrayal's Sting
50%inclusion1 decks2 decks
47%synergy
Utility Lands
Cabal Stronghold
100%inclusion2 decks2 decks
66%synergy
Cabal Coffers
100%inclusion2 decks2 decks
45%synergy
Karn's Bastion
100%inclusion2 decks2 decks
96%synergy
Geier Reach Sanitarium
50%inclusion1 decks2 decks
39%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
31%synergy
Secret Tunnel
50%inclusion1 decks2 decks
49%synergy
Mana Artifacts
Staff of Compleation
100%inclusion2 decks2 decks
98%synergy
Glistening Sphere
100%inclusion2 decks2 decks
99%synergy
Sol Ring
100%inclusion2 decks2 decks
14%synergy
Everflowing Chalice
50%inclusion1 decks2 decks
45%synergy
Phyrexian Atlas
50%inclusion1 decks2 decks
50%synergy
Lands
Swamp
100%inclusion2 decks2 decks
5%synergy
Path of Ancestry
50%inclusion1 decks2 decks
45%synergy
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