Karumonix, the Rat King (Commander) - Expensive Aggro

Karumonix, the Rat King
Rank #384
6decks
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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Shredder's Technique
100%inclusion1 decks1 decks
96%synergy
Rat King, Pale Piper
100%inclusion1 decks1 decks
96%synergy
High Synergy Cards
Marrow-Gnawer
100%inclusion6 decks6 decks
97%synergy
Ashcoat of the Shadow Swarm
100%inclusion6 decks6 decks
97%synergy
Piper of the Swarm
100%inclusion6 decks6 decks
93%synergy
Ogre Slumlord
100%inclusion6 decks6 decks
90%synergy
Infectious Inquiry
83%inclusion5 decks6 decks
81%synergy
Cover of Darkness
83%inclusion5 decks6 decks
80%synergy
Blightbelly Rat
83%inclusion5 decks6 decks
80%synergy
Rat Colony
83%inclusion5 decks6 decks
78%synergy
Pack Rat
83%inclusion5 decks6 decks
77%synergy
Ichor Rats
67%inclusion4 decks6 decks
64%synergy
Top Cards
Dark Ritual
100%inclusion6 decks6 decks
33%synergy
Deadly Rollick
67%inclusion4 decks6 decks
42%synergy
The Meathook Massacre
67%inclusion4 decks6 decks
49%synergy
Feed the Swarm
67%inclusion4 decks6 decks
16%synergy
Ratcatcher
67%inclusion4 decks6 decks
63%synergy
Jet Medallion
67%inclusion4 decks6 decks
5%synergy
Kindred Dominance
67%inclusion4 decks6 decks
62%synergy
Drown in Ichor
67%inclusion4 decks6 decks
63%synergy
Lord Skitter, Sewer King
67%inclusion4 decks6 decks
58%synergy
Game Changers
Demonic Tutor
83%inclusion5 decks6 decks
56%synergy
Vampiric Tutor
67%inclusion4 decks6 decks
46%synergy
Bolas's Citadel
50%inclusion3 decks6 decks
21%synergy
Imperial Seal
17%inclusion1 decks6 decks
10%synergy
Ancient Tomb
17%inclusion1 decks6 decks
5%synergy
The One Ring
17%inclusion1 decks6 decks
7%synergy
Mana Vault
17%inclusion1 decks6 decks
10%synergy
Creatures
Crypt Rats
50%inclusion3 decks6 decks
45%synergy
Locust Miser
50%inclusion3 decks6 decks
48%synergy
Chittering Witch
50%inclusion3 decks6 decks
46%synergy
Wave of Rats
50%inclusion3 decks6 decks
48%synergy
Typhoid Rats
50%inclusion3 decks6 decks
46%synergy
Burglar Rat
33%inclusion2 decks6 decks
22%synergy
Lord Skitter's Butcher
33%inclusion2 decks6 decks
30%synergy
Species Specialist
33%inclusion2 decks6 decks
30%synergy
Ink-Eyes, Servant of Oni
33%inclusion2 decks6 decks
30%synergy
Changeling Outcast
33%inclusion2 decks6 decks
28%synergy
Pestilence Rats
33%inclusion2 decks6 decks
31%synergy
Septic Rats
33%inclusion2 decks6 decks
31%synergy
Gnat Miser
33%inclusion2 decks6 decks
30%synergy
Nashi, Moon Sage's Scion
33%inclusion2 decks6 decks
29%synergy
Undercity Dire Rat
33%inclusion1 decks3 decks
31%synergy
Bog Rats
17%inclusion1 decks6 decks
16%synergy
Carrion Rats
17%inclusion1 decks6 decks
16%synergy
Metallic Mimic
17%inclusion1 decks6 decks
16%synergy
Roaming Throne
17%inclusion1 decks6 decks
14%synergy
Gray Merchant of Asphodel
17%inclusion1 decks6 decks
-34%synergy
Filth
17%inclusion1 decks6 decks
14%synergy
Diseased Vermin
17%inclusion1 decks6 decks
16%synergy
Bloodline Pretender
17%inclusion1 decks6 decks
16%synergy
Skullsnatcher
17%inclusion1 decks6 decks
16%synergy
Adaptive Automaton
17%inclusion1 decks6 decks
16%synergy
Throat Slitter
17%inclusion1 decks6 decks
15%synergy
Earsplitting Rats
17%inclusion1 decks6 decks
16%synergy
Razortooth Rats
17%inclusion1 decks6 decks
16%synergy
Rats of Rath
17%inclusion1 decks6 decks
17%synergy
Mogis's Marauder
17%inclusion1 decks6 decks
16%synergy
Swarm of Rats
17%inclusion1 decks6 decks
14%synergy
Voracious Vermin
17%inclusion1 decks6 decks
14%synergy
Valley Rotcaller
17%inclusion1 decks6 decks
14%synergy
Twisted Sewer-Witch
17%inclusion1 decks6 decks
15%synergy
Yawgmoth, Thran Physician
17%inclusion1 decks6 decks
7%synergy
Crypt Ghast
17%inclusion1 decks6 decks
-31%synergy
Nezumi Informant
17%inclusion1 decks6 decks
10%synergy
Nezumi Prowler
17%inclusion1 decks6 decks
15%synergy
Nezumi Bone-Reader
17%inclusion1 decks6 decks
16%synergy
Rancid Rats
17%inclusion1 decks6 decks
14%synergy
Okiba-Gang Shinobi
17%inclusion1 decks6 decks
16%synergy
Ruin Rat
17%inclusion1 decks6 decks
15%synergy
Instants
Go for the Throat
50%inclusion3 decks6 decks
27%synergy
Village Rites
50%inclusion3 decks6 decks
25%synergy
Grim Affliction
33%inclusion2 decks6 decks
31%synergy
Cabal Ritual
33%inclusion2 decks6 decks
15%synergy
Murder
33%inclusion2 decks6 decks
23%synergy
Curtains' Call
33%inclusion2 decks6 decks
32%synergy
Sudden Spoiling
33%inclusion2 decks6 decks
24%synergy
Tragic Slip
33%inclusion2 decks6 decks
13%synergy
Whisper of the Dross
17%inclusion1 decks6 decks
14%synergy
Entomb
17%inclusion1 decks6 decks
5%synergy
Imp's Mischief
17%inclusion1 decks6 decks
-8%synergy
Snuff Out
17%inclusion1 decks6 decks
4%synergy
Vraska's Fall
17%inclusion1 decks6 decks
13%synergy
Rat Out
17%inclusion1 decks6 decks
15%synergy
Defile
17%inclusion1 decks6 decks
-20%synergy
Raise the Draugr
17%inclusion1 decks6 decks
16%synergy
Darkness
17%inclusion1 decks6 decks
7%synergy
Infernal Grasp
17%inclusion1 decks6 decks
-9%synergy
Demonic Consultation
17%inclusion1 decks6 decks
16%synergy
Foul-Tongue Shriek
17%inclusion1 decks6 decks
15%synergy
Baleful Mastery
17%inclusion1 decks6 decks
8%synergy
Ashnod's Intervention
17%inclusion1 decks6 decks
15%synergy
Dismember
17%inclusion1 decks6 decks
6%synergy
Withering Torment
17%inclusion1 decks6 decks
-15%synergy
Sorceries
Diabolic Intent
50%inclusion3 decks6 decks
35%synergy
Patriarch's Bidding
50%inclusion3 decks6 decks
46%synergy
Echoing Return
50%inclusion3 decks6 decks
47%synergy
Damnation
50%inclusion3 decks6 decks
29%synergy
Phyresis Outbreak
33%inclusion2 decks6 decks
32%synergy
Toxic Deluge
33%inclusion2 decks6 decks
-3%synergy
Gruesome Fate
33%inclusion2 decks6 decks
31%synergy
Spread the Sickness
17%inclusion1 decks6 decks
16%synergy
Diabolic Tutor
17%inclusion1 decks6 decks
2%synergy
Revenge of the Rats
17%inclusion1 decks6 decks
14%synergy
Torment of Hailfire
17%inclusion1 decks6 decks
1%synergy
Haunting Voyage
17%inclusion1 decks6 decks
15%synergy
Bubbling Muck
17%inclusion1 decks6 decks
1%synergy
Feed the Infection
17%inclusion1 decks6 decks
16%synergy
Predators' Hour
17%inclusion1 decks6 decks
15%synergy
Swarmyard Massacre
17%inclusion1 decks6 decks
14%synergy
Read the Bones
17%inclusion1 decks6 decks
0%synergy
Night's Whisper
17%inclusion1 decks6 decks
-8%synergy
Final Parting
17%inclusion1 decks6 decks
12%synergy
Phyrexian Tribute
17%inclusion1 decks6 decks
16%synergy
Sign in Blood
17%inclusion1 decks6 decks
-19%synergy
Disentomb
17%inclusion1 decks6 decks
16%synergy
Rise of the Dark Realms
17%inclusion1 decks6 decks
4%synergy
Grim Tutor
17%inclusion1 decks6 decks
5%synergy
Plague of Vermin
17%inclusion1 decks6 decks
14%synergy
Utility Artifacts
Bontu's Monument
50%inclusion3 decks6 decks
22%synergy
Herald's Horn
50%inclusion3 decks6 decks
44%synergy
Contagion Clasp
33%inclusion2 decks6 decks
31%synergy
Skullclamp
33%inclusion2 decks6 decks
11%synergy
Vanquisher's Banner
33%inclusion2 decks6 decks
29%synergy
Thrumming Stone
33%inclusion2 decks6 decks
29%synergy
The Darkness Crystal
33%inclusion1 decks3 decks
13%synergy
Soul-Guide Lantern
17%inclusion1 decks6 decks
16%synergy
Mirror Box
17%inclusion1 decks6 decks
16%synergy
Ashnod's Altar
17%inclusion1 decks6 decks
-3%synergy
Whip of Erebos
17%inclusion1 decks6 decks
6%synergy
Coat of Arms
17%inclusion1 decks6 decks
14%synergy
Hall of Triumph
17%inclusion1 decks6 decks
16%synergy
Wishclaw Talisman
17%inclusion1 decks6 decks
10%synergy
Phyrexian Altar
17%inclusion1 decks6 decks
3%synergy
Akroma's Memorial
17%inclusion1 decks6 decks
16%synergy
Maskwood Nexus
17%inclusion1 decks6 decks
16%synergy
Door of Destinies
17%inclusion1 decks6 decks
14%synergy
Urza's Incubator
17%inclusion1 decks6 decks
15%synergy
Eldrazi Monument
17%inclusion1 decks6 decks
15%synergy
Lightning Greaves
17%inclusion1 decks6 decks
-17%synergy
Thornbite Staff
17%inclusion1 decks6 decks
14%synergy
Enchantments
Black Market
50%inclusion3 decks6 decks
29%synergy
Grave Pact
50%inclusion3 decks6 decks
31%synergy
Black Market Connections
50%inclusion3 decks6 decks
26%synergy
Exquisite Blood
33%inclusion2 decks6 decks
20%synergy
Phyrexian Arena
33%inclusion2 decks6 decks
-6%synergy
Vampiric Rites
17%inclusion1 decks6 decks
11%synergy
Haunted One
17%inclusion1 decks6 decks
14%synergy
Sanguine Bond
17%inclusion1 decks6 decks
5%synergy
Conspiracy
17%inclusion1 decks6 decks
16%synergy
Dictate of Erebos
17%inclusion1 decks6 decks
6%synergy
No Mercy
17%inclusion1 decks6 decks
9%synergy
Painful Quandary
17%inclusion1 decks6 decks
6%synergy
Oubliette
17%inclusion1 decks6 decks
14%synergy
Bloodchief Ascension
17%inclusion1 decks6 decks
7%synergy
Oversold Cemetery
17%inclusion1 decks6 decks
11%synergy
Bad Moon
17%inclusion1 decks6 decks
13%synergy
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion2 decks6 decks
31%synergy
Utility Lands
Cabal Coffers
100%inclusion6 decks6 decks
45%synergy
Urborg, Tomb of Yawgmoth
83%inclusion5 decks6 decks
46%synergy
Swarmyard
67%inclusion4 decks6 decks
61%synergy
Nykthos, Shrine to Nyx
50%inclusion3 decks6 decks
20%synergy
Bojuka Bog
33%inclusion2 decks6 decks
-14%synergy
Cabal Stronghold
33%inclusion2 decks6 decks
-1%synergy
Phyrexian Tower
33%inclusion2 decks6 decks
8%synergy
Mutavault
33%inclusion2 decks6 decks
33%synergy
Witch's Cottage
33%inclusion2 decks6 decks
9%synergy
Karn's Bastion
33%inclusion2 decks6 decks
29%synergy
Mudflat Village
33%inclusion2 decks6 decks
31%synergy
Lake of the Dead
33%inclusion2 decks6 decks
28%synergy
Reliquary Tower
33%inclusion2 decks6 decks
3%synergy
Vault of Whispers
17%inclusion1 decks6 decks
11%synergy
Wasteland
17%inclusion1 decks6 decks
15%synergy
Mortuary Mire
17%inclusion1 decks6 decks
3%synergy
Memorial to Folly
17%inclusion1 decks6 decks
13%synergy
Blinkmoth Nexus
17%inclusion1 decks6 decks
16%synergy
Urza's Saga
17%inclusion1 decks6 decks
9%synergy
Crypt of Agadeem
17%inclusion1 decks6 decks
5%synergy
Mishra's Factory
17%inclusion1 decks6 decks
16%synergy
Inkmoth Nexus
17%inclusion1 decks6 decks
16%synergy
Spymaster's Vault
17%inclusion1 decks6 decks
7%synergy
Mishra's Foundry
17%inclusion1 decks6 decks
17%synergy
Castle Locthwain
17%inclusion1 decks6 decks
0%synergy
Hive of the Eye Tyrant
17%inclusion1 decks6 decks
16%synergy
Three Tree City
17%inclusion1 decks6 decks
12%synergy
Rogue's Passage
17%inclusion1 decks6 decks
-2%synergy
Mana Artifacts
Sol Ring
100%inclusion6 decks6 decks
14%synergy
Firdoch Core
100%inclusion1 decks1 decks
100%synergy
Arcane Signet
50%inclusion3 decks6 decks
-12%synergy
Heraldic Banner
33%inclusion2 decks6 decks
28%synergy
Commander's Sphere
17%inclusion1 decks6 decks
8%synergy
Patchwork Banner
17%inclusion1 decks6 decks
12%synergy
Thought Vessel
17%inclusion1 decks6 decks
-9%synergy
Springleaf Drum
17%inclusion1 decks6 decks
15%synergy
Mind Stone
17%inclusion1 decks6 decks
-12%synergy
Nyx Lotus
17%inclusion1 decks6 decks
10%synergy
Mox Opal
17%inclusion1 decks6 decks
13%synergy
Extraplanar Lens
17%inclusion1 decks6 decks
12%synergy
Lands
Swamp
83%inclusion5 decks6 decks
-12%synergy
Cavern of Souls
83%inclusion5 decks6 decks
77%synergy
Path of Ancestry
50%inclusion3 decks6 decks
45%synergy
Prismatic Vista
17%inclusion1 decks6 decks
14%synergy
Command Tower
17%inclusion1 decks6 decks
11%synergy
Fabled Passage
17%inclusion1 decks6 decks
15%synergy
Opal Palace
17%inclusion1 decks6 decks
16%synergy
Snow-Covered Swamp
17%inclusion1 decks6 decks
10%synergy
Polluted Delta
17%inclusion1 decks6 decks
13%synergy
Bloodstained Mire
17%inclusion1 decks6 decks
13%synergy
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