Karumonix, the Rat King (Commander) - Optimized Aggro

Karumonix, the Rat King
Rank #412
4decks
As CommanderAs CardAverage DeckDecks
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Budget
Any
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$$$
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
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Phyresis Outbreak
100%inclusion4 decks4 decks
98%synergy
Phyresis
100%inclusion4 decks4 decks
98%synergy
Infectious Inquiry
100%inclusion4 decks4 decks
97%synergy
Ichor Rats
100%inclusion4 decks4 decks
97%synergy
Blightbelly Rat
100%inclusion4 decks4 decks
97%synergy
Marrow-Gnawer
100%inclusion4 decks4 decks
97%synergy
Typhoid Rats
100%inclusion4 decks4 decks
97%synergy
Karn's Bastion
100%inclusion4 decks4 decks
96%synergy
Piper of the Swarm
100%inclusion4 decks4 decks
93%synergy
Black Market Connections
100%inclusion4 decks4 decks
75%synergy
Top Cards
Dark Ritual
100%inclusion4 decks4 decks
33%synergy
Jet Medallion
100%inclusion4 decks4 decks
38%synergy
Game Changers
Demonic Tutor
75%inclusion3 decks4 decks
48%synergy
Vampiric Tutor
75%inclusion3 decks4 decks
54%synergy
Necropotence
50%inclusion2 decks4 decks
36%synergy
Imperial Seal
25%inclusion1 decks4 decks
18%synergy
Ancient Tomb
25%inclusion1 decks4 decks
13%synergy
Bolas's Citadel
25%inclusion1 decks4 decks
-3%synergy
The One Ring
25%inclusion1 decks4 decks
16%synergy
Mana Vault
25%inclusion1 decks4 decks
18%synergy
Ad Nauseam
25%inclusion1 decks4 decks
22%synergy
Chrome Mox
25%inclusion1 decks4 decks
19%synergy
Creatures
Ogre Slumlord
75%inclusion3 decks4 decks
66%synergy
Crypt Rats
75%inclusion3 decks4 decks
71%synergy
Pack Rat
75%inclusion3 decks4 decks
69%synergy
Septic Rats
75%inclusion3 decks4 decks
73%synergy
Gnat Miser
75%inclusion3 decks4 decks
72%synergy
Rancid Rats
75%inclusion3 decks4 decks
73%synergy
Stronghold Rats
75%inclusion3 decks4 decks
72%synergy
Rat Colony
75%inclusion3 decks4 decks
70%synergy
Lord Skitter, Sewer King
75%inclusion3 decks4 decks
67%synergy
Burglar Rat
50%inclusion2 decks4 decks
40%synergy
Tangled Colony
50%inclusion2 decks4 decks
47%synergy
Lord Skitter's Butcher
50%inclusion2 decks4 decks
47%synergy
Locust Miser
50%inclusion2 decks4 decks
49%synergy
Nezumi Cutthroat
50%inclusion2 decks4 decks
49%synergy
Nezumi Informant
50%inclusion2 decks4 decks
44%synergy
Nezumi Prowler
50%inclusion2 decks4 decks
49%synergy
Wave of Rats
50%inclusion2 decks4 decks
48%synergy
Rat King, Pale Piper
50%inclusion2 decks4 decks
46%synergy
Bog Rats
25%inclusion1 decks4 decks
25%synergy
Chittering Rats
25%inclusion1 decks4 decks
24%synergy
Rotting Rats
25%inclusion1 decks4 decks
22%synergy
Ravenous Rats
25%inclusion1 decks4 decks
23%synergy
Gnawing Vermin
25%inclusion1 decks4 decks
24%synergy
Ruthless Radrat
25%inclusion1 decks4 decks
24%synergy
Roaming Throne
25%inclusion1 decks4 decks
22%synergy
Nezumi Bladeblesser
25%inclusion1 decks4 decks
24%synergy
Daggerfang Duo
25%inclusion1 decks4 decks
24%synergy
Skullsnatcher
25%inclusion1 decks4 decks
24%synergy
Throat Slitter
25%inclusion1 decks4 decks
23%synergy
Zodiac Rat
25%inclusion1 decks4 decks
25%synergy
Sinuous Vermin
25%inclusion1 decks4 decks
25%synergy
Razortooth Rats
25%inclusion1 decks4 decks
24%synergy
Swarm of Rats
25%inclusion1 decks4 decks
23%synergy
Walking Atlas
25%inclusion1 decks4 decks
24%synergy
Chittering Skitterling
25%inclusion1 decks4 decks
24%synergy
Voracious Vermin
25%inclusion1 decks4 decks
22%synergy
Ashcoat of the Shadow Swarm
25%inclusion1 decks4 decks
21%synergy
Yawgmoth, Thran Physician
25%inclusion1 decks4 decks
15%synergy
Crypt Ghast
25%inclusion1 decks4 decks
-22%synergy
Changeling Outcast
25%inclusion1 decks4 decks
20%synergy
Ratcatcher
25%inclusion1 decks4 decks
22%synergy
Drainpipe Vermin
25%inclusion1 decks4 decks
24%synergy
Muck Rats
25%inclusion1 decks4 decks
25%synergy
Nezumi Bone-Reader
25%inclusion1 decks4 decks
24%synergy
K'rrik, Son of Yawgmoth
25%inclusion1 decks4 decks
6%synergy
Nashi, Moon Sage's Scion
25%inclusion1 decks4 decks
21%synergy
Skithiryx, the Blight Dragon
25%inclusion1 decks4 decks
24%synergy
Ruin Rat
25%inclusion1 decks4 decks
24%synergy
Rat King, Verminister
25%inclusion1 decks4 decks
22%synergy
Instants
Vraska's Fall
75%inclusion3 decks4 decks
72%synergy
Whisper of the Dross
50%inclusion2 decks4 decks
47%synergy
Village Rites
50%inclusion2 decks4 decks
24%synergy
Deadly Dispute
50%inclusion2 decks4 decks
23%synergy
Culling the Weak
50%inclusion2 decks4 decks
32%synergy
Tainted Strike
50%inclusion2 decks4 decks
47%synergy
Corrupted Conviction
50%inclusion2 decks4 decks
38%synergy
Reckoner's Bargain
25%inclusion1 decks4 decks
22%synergy
Snuff Out
25%inclusion1 decks4 decks
11%synergy
Grim Affliction
25%inclusion1 decks4 decks
23%synergy
Cabal Ritual
25%inclusion1 decks4 decks
6%synergy
Darkness
25%inclusion1 decks4 decks
14%synergy
Withering Torment
25%inclusion1 decks4 decks
-7%synergy
Sorceries
Drown in Ichor
75%inclusion3 decks4 decks
72%synergy
Toxic Deluge
50%inclusion2 decks4 decks
13%synergy
Sign in Blood
50%inclusion2 decks4 decks
15%synergy
Plague of Vermin
50%inclusion2 decks4 decks
48%synergy
Pact of the Serpent
50%inclusion2 decks4 decks
48%synergy
Diabolic Intent
25%inclusion1 decks4 decks
10%synergy
Vat Emergence
25%inclusion1 decks4 decks
24%synergy
Patriarch's Bidding
25%inclusion1 decks4 decks
21%synergy
Revenge of the Rats
25%inclusion1 decks4 decks
22%synergy
Bubbling Muck
25%inclusion1 decks4 decks
9%synergy
Swarmyard Massacre
25%inclusion1 decks4 decks
23%synergy
Echoing Return
25%inclusion1 decks4 decks
22%synergy
Read the Bones
25%inclusion1 decks4 decks
9%synergy
Profane Command
25%inclusion1 decks4 decks
23%synergy
Night's Whisper
25%inclusion1 decks4 decks
-1%synergy
Caress of Phyrexia
25%inclusion1 decks4 decks
24%synergy
Urborg Uprising
25%inclusion1 decks4 decks
25%synergy
In Garruk's Wake
25%inclusion1 decks4 decks
21%synergy
Kindred Dominance
25%inclusion1 decks4 decks
20%synergy
Utility Artifacts
Bontu's Monument
75%inclusion3 decks4 decks
47%synergy
Contagion Engine
50%inclusion2 decks4 decks
48%synergy
Skullclamp
50%inclusion2 decks4 decks
28%synergy
Contagion Clasp
25%inclusion1 decks4 decks
23%synergy
Ashnod's Altar
25%inclusion1 decks4 decks
5%synergy
Throne of Geth
25%inclusion1 decks4 decks
25%synergy
Thrumming Stone
25%inclusion1 decks4 decks
21%synergy
Herald's Horn
25%inclusion1 decks4 decks
19%synergy
Brotherhood Regalia
25%inclusion1 decks4 decks
22%synergy
Sword of the Animist
25%inclusion1 decks4 decks
21%synergy
Decimator Web
25%inclusion1 decks4 decks
25%synergy
Grafted Exoskeleton
25%inclusion1 decks4 decks
24%synergy
Enchantments
Contamination
50%inclusion2 decks4 decks
47%synergy
Glistening Oil
50%inclusion2 decks4 decks
49%synergy
Phyrexian Reclamation
50%inclusion2 decks4 decks
40%synergy
Cover of Darkness
50%inclusion2 decks4 decks
47%synergy
Necrogen Communion
50%inclusion2 decks4 decks
48%synergy
Greed
25%inclusion1 decks4 decks
19%synergy
Black Market
25%inclusion1 decks4 decks
5%synergy
Braids's Frightful Return
25%inclusion1 decks4 decks
24%synergy
Vampiric Rites
25%inclusion1 decks4 decks
19%synergy
Lord Skitter's Blessing
25%inclusion1 decks4 decks
24%synergy
Oversold Cemetery
25%inclusion1 decks4 decks
20%synergy
Phyrexian Arena
25%inclusion1 decks4 decks
-14%synergy
Planeswalkers
Vraska, Betrayal's Sting
50%inclusion2 decks4 decks
47%synergy
Utility Lands
Cabal Coffers
100%inclusion4 decks4 decks
45%synergy
Cabal Stronghold
75%inclusion3 decks4 decks
41%synergy
Three Tree City
75%inclusion3 decks4 decks
70%synergy
Swarmyard
50%inclusion2 decks4 decks
44%synergy
Inkmoth Nexus
50%inclusion2 decks4 decks
49%synergy
Mutavault
50%inclusion2 decks4 decks
49%synergy
Urborg, Tomb of Yawgmoth
50%inclusion2 decks4 decks
12%synergy
Shizo, Death's Storehouse
25%inclusion1 decks4 decks
15%synergy
Bojuka Bog
25%inclusion1 decks4 decks
-22%synergy
Phyrexian Tower
25%inclusion1 decks4 decks
-2%synergy
Witch's Cottage
25%inclusion1 decks4 decks
0%synergy
Geier Reach Sanitarium
25%inclusion1 decks4 decks
14%synergy
Nykthos, Shrine to Nyx
25%inclusion1 decks4 decks
-5%synergy
Deserted Temple
25%inclusion1 decks4 decks
21%synergy
Mudflat Village
25%inclusion1 decks4 decks
22%synergy
Castle Locthwain
25%inclusion1 decks4 decks
8%synergy
Reliquary Tower
25%inclusion1 decks4 decks
-4%synergy
Access Tunnel
25%inclusion1 decks4 decks
22%synergy
Rogue's Passage
25%inclusion1 decks4 decks
5%synergy
Secret Tunnel
25%inclusion1 decks4 decks
24%synergy
Mana Artifacts
Sol Ring
100%inclusion4 decks4 decks
15%synergy
Staff of Compleation
75%inclusion3 decks4 decks
73%synergy
Glistening Sphere
75%inclusion3 decks4 decks
74%synergy
Everflowing Chalice
25%inclusion1 decks4 decks
20%synergy
Arcane Signet
25%inclusion1 decks4 decks
-36%synergy
Lotus Petal
25%inclusion1 decks4 decks
17%synergy
Mox Amber
25%inclusion1 decks4 decks
21%synergy
Phyrexian Atlas
25%inclusion1 decks4 decks
25%synergy
Mox Diamond
25%inclusion1 decks4 decks
21%synergy
Lands
Swamp
100%inclusion4 decks4 decks
5%synergy
Prismatic Vista
25%inclusion1 decks4 decks
22%synergy
Verdant Catacombs
25%inclusion1 decks4 decks
21%synergy
Path of Ancestry
25%inclusion1 decks4 decks
20%synergy
Marsh Flats
25%inclusion1 decks4 decks
21%synergy
Polluted Delta
25%inclusion1 decks4 decks
21%synergy
Bloodstained Mire
25%inclusion1 decks4 decks
21%synergy
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