Karumonix, the Rat King (Commander) - Expensive Optimized

Karumonix, the Rat King
Rank #412
9decks
As CommanderAs CardAverage DeckDecks
Bracket
All1234
5
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%inclusion9 decks9 decks
1.4xlift
Vampiric Tutor
100%inclusion9 decks9 decks
1.1xlift
Demonic Tutor
100%inclusion9 decks9 decks
1.1xlift
Dark Ritual
100%inclusion9 decks9 decks
1.1xlift
Marrow-Gnawer
78%inclusion7 decks9 decks
73xlift
Piper of the Swarm
78%inclusion7 decks9 decks
25xlift
Ichor Rats
67%inclusion6 decks9 decks
79xlift
Blightbelly Rat
67%inclusion6 decks9 decks
91xlift
Ashcoat of the Shadow Swarm
67%inclusion6 decks9 decks
27xlift
Thrumming Stone
67%inclusion6 decks9 decks
19xlift
High Lift Cards
Rancid Rats
44%inclusion4 decks9 decks
158xlift
Necrogen Communion
56%inclusion5 decks9 decks
142xlift
Phyresis Outbreak
56%inclusion5 decks9 decks
90xlift
Infectious Inquiry
44%inclusion4 decks9 decks
88xlift
Vraska's Fall
56%inclusion5 decks9 decks
62xlift
Drown in Ichor
56%inclusion5 decks9 decks
55xlift
Gnat Miser
44%inclusion4 decks9 decks
50xlift
Ratcatcher
44%inclusion4 decks9 decks
40xlift
Mudflat Village
44%inclusion4 decks9 decks
40xlift
Karn's Bastion
56%inclusion5 decks9 decks
35xlift
Creatures
Rat Colony
56%inclusion5 decks9 decks
15xlift
Ogre Slumlord
44%inclusion4 decks9 decks
17xlift
Ayara, First of Locthwain
44%inclusion4 decks9 decks
2.1xlift
Lord Skitter, Sewer King
44%inclusion4 decks9 decks
6.7xlift
Crypt Rats
33%inclusion3 decks9 decks
24xlift
Ruthless Radrat
33%inclusion3 decks9 decks
198xlift
Lord Skitter's Butcher
33%inclusion3 decks9 decks
50xlift
Pack Rat
33%inclusion3 decks9 decks
15xlift
Locust Miser
33%inclusion3 decks9 decks
66xlift
Wave of Rats
33%inclusion3 decks9 decks
119xlift
Nashi, Moon Sage's Scion
33%inclusion3 decks9 decks
30xlift
Relentless Rats
22%inclusion2 decks9 decks
57xlift
Opposition Agent
22%inclusion2 decks9 decks
0.4xlift
Crashing Drawbridge
22%inclusion2 decks9 decks
8.6xlift
Tangled Colony
22%inclusion2 decks9 decks
44xlift
Throat Slitter
22%inclusion2 decks9 decks
132xlift
Chittering Skitterling
22%inclusion2 decks9 decks
198xlift
Chittering Witch
22%inclusion2 decks9 decks
12xlift
Voracious Vermin
22%inclusion2 decks9 decks
44xlift
Nezumi Prowler
22%inclusion2 decks9 decks
132xlift
Pestilence Rats
22%inclusion2 decks9 decks
132xlift
Septic Rats
22%inclusion2 decks9 decks
99xlift
Typhoid Rats
22%inclusion2 decks9 decks
33xlift
Orcish Bowmasters
22%inclusion2 decks9 decks
0.3xlift
Dauthi Voidwalker
22%inclusion2 decks9 decks
0.5xlift
Rat King, Pale Piper
20%inclusion1 decks5 decks
10xlift
Bog Rats
11%inclusion1 decks9 decks
40xlift
Hoarding Broodlord
11%inclusion1 decks9 decks
0.7xlift
Burglar Rat
11%inclusion1 decks9 decks
1.7xlift
Ravenous Rats
11%inclusion1 decks9 decks
66xlift
Blood Artist
11%inclusion1 decks9 decks
0.3xlift
Sheoldred, the Apocalypse
11%inclusion1 decks9 decks
0.2xlift
Roaming Throne
11%inclusion1 decks9 decks
3.1xlift
Defiler of Flesh
11%inclusion1 decks9 decks
6.6xlift
Nezumi Bladeblesser
11%inclusion1 decks9 decks
198xlift
Ophiomancer
11%inclusion1 decks9 decks
0.5xlift
Ink-Eyes, Servant of Oni
11%inclusion1 decks9 decks
14xlift
Zodiac Rat
11%inclusion1 decks9 decks
33xlift
Myr Convert
11%inclusion1 decks9 decks
28xlift
Boggart Trawler
11%inclusion1 decks9 decks
0.8xlift
Zulaport Cutthroat
11%inclusion1 decks9 decks
0.5xlift
Persistent Marshstalker
11%inclusion1 decks9 decks
22xlift
Mogis's Marauder
11%inclusion1 decks9 decks
40xlift
Swarm of Rats
11%inclusion1 decks9 decks
28xlift
Bilious Skulldweller
11%inclusion1 decks9 decks
99xlift
Valley Rotcaller
11%inclusion1 decks9 decks
6.8xlift
Twisted Sewer-Witch
11%inclusion1 decks9 decks
40xlift
Ossuary Rats
11%inclusion1 decks9 decks
198xlift
Crypt Ghast
11%inclusion1 decks9 decks
0.2xlift
Changeling Outcast
11%inclusion1 decks9 decks
5.5xlift
Instants
Deadly Rollick
56%inclusion5 decks9 decks
0.8xlift
Cabal Ritual
56%inclusion5 decks9 decks
0.8xlift
Culling the Weak
56%inclusion5 decks9 decks
0.9xlift
Whisper of the Dross
33%inclusion3 decks9 decks
85xlift
Village Rites
33%inclusion3 decks9 decks
3.1xlift
Ad Nauseam
33%inclusion3 decks9 decks
1.6xlift
Go for the Throat
22%inclusion2 decks9 decks
2.4xlift
Corrupted Conviction
22%inclusion2 decks9 decks
4.7xlift
Force of Despair
11%inclusion1 decks9 decks
0.7xlift
Entomb
11%inclusion1 decks9 decks
0.2xlift
Imp's Mischief
11%inclusion1 decks9 decks
0.2xlift
Snuff Out
11%inclusion1 decks9 decks
0.3xlift
Songs of the Damned
11%inclusion1 decks9 decks
1.4xlift
Deadly Dispute
11%inclusion1 decks9 decks
0.8xlift
Wring Flesh
11%inclusion1 decks9 decks
198xlift
Defile
11%inclusion1 decks9 decks
0.7xlift
Extinguish the Light
11%inclusion1 decks9 decks
198xlift
Murder
11%inclusion1 decks9 decks
6.0xlift
Infernal Grasp
11%inclusion1 decks9 decks
0.8xlift
Foul-Tongue Shriek
11%inclusion1 decks9 decks
15xlift
Unseal the Necropolis
11%inclusion1 decks9 decks
40xlift
Offer Immortality
11%inclusion1 decks9 decks
40xlift
Saw in Half
11%inclusion1 decks9 decks
0.5xlift
Tragic Slip
11%inclusion1 decks9 decks
1.5xlift
Dismember
11%inclusion1 decks9 decks
0.4xlift
Sorceries
Grim Tutor
44%inclusion4 decks9 decks
0.9xlift
Diabolic Intent
33%inclusion3 decks9 decks
0.7xlift
Reanimate
33%inclusion3 decks9 decks
0.5xlift
Kindred Dominance
33%inclusion3 decks9 decks
24xlift
Revenge of the Rats
22%inclusion2 decks9 decks
50xlift
Feed the Swarm
22%inclusion2 decks9 decks
0.5xlift
Plague of Vermin
22%inclusion2 decks9 decks
6.5xlift
Day of Black Sun
20%inclusion1 decks5 decks
31xlift
Bloodline Bidding
20%inclusion1 decks5 decks
28xlift
Strategic Betrayal
13%inclusion1 decks8 decks
211xlift
Demogorgon's Clutches
11%inclusion1 decks9 decks
66xlift
Bone Splinters
11%inclusion1 decks9 decks
33xlift
Diabolic Tutor
11%inclusion1 decks9 decks
1.2xlift
Victimize
11%inclusion1 decks9 decks
0.8xlift
Patriarch's Bidding
11%inclusion1 decks9 decks
8.3xlift
Profane Tutor
11%inclusion1 decks9 decks
2.4xlift
Forever Young
11%inclusion1 decks9 decks
28xlift
Feed the Infection
11%inclusion1 decks9 decks
198xlift
Swarmyard Massacre
11%inclusion1 decks9 decks
18xlift
Echoing Return
11%inclusion1 decks9 decks
14xlift
Sinkhole
11%inclusion1 decks9 decks
25xlift
Read the Bones
11%inclusion1 decks9 decks
2.7xlift
Mutilate
11%inclusion1 decks9 decks
2.8xlift
Night's Whisper
11%inclusion1 decks9 decks
0.7xlift
Caress of Phyrexia
11%inclusion1 decks9 decks
99xlift
Living Death
11%inclusion1 decks9 decks
1.7xlift
Toxic Deluge
11%inclusion1 decks9 decks
0.2xlift
Sign in Blood
11%inclusion1 decks9 decks
0.5xlift
Damnation
11%inclusion1 decks9 decks
0.5xlift
Rise of the Dark Realms
11%inclusion1 decks9 decks
2.6xlift
Crippling Fear
11%inclusion1 decks9 decks
13xlift
Pact of the Serpent
11%inclusion1 decks9 decks
20xlift
Secret Salvage
11%inclusion1 decks9 decks
11xlift
Utility Artifacts
Bolas's Citadel
56%inclusion5 decks9 decks
0.9xlift
The One Ring
56%inclusion5 decks9 decks
0.9xlift
Jet Medallion
56%inclusion5 decks9 decks
0.7xlift
Bontu's Monument
44%inclusion4 decks9 decks
3.3xlift
Herald's Horn
33%inclusion3 decks9 decks
17xlift
Sensei's Divining Top
22%inclusion2 decks9 decks
0.5xlift
Contagion Clasp
22%inclusion2 decks9 decks
50xlift
Aetherflux Reservoir
22%inclusion2 decks9 decks
0.7xlift
Vanquisher's Banner
22%inclusion2 decks9 decks
23xlift
Chronicle of Victory
20%inclusion1 decks5 decks
75xlift
The Darkness Crystal
13%inclusion1 decks8 decks
1.3xlift
Defense Grid
11%inclusion1 decks9 decks
0.7xlift
Cloud Key
11%inclusion1 decks9 decks
7.3xlift
Contagion Engine
11%inclusion1 decks9 decks
25xlift
Ashnod's Altar
11%inclusion1 decks9 decks
0.5xlift
Coat of Arms
11%inclusion1 decks9 decks
12xlift
Lavaspur Boots
11%inclusion1 decks9 decks
3.1xlift
Skullclamp
11%inclusion1 decks9 decks
0.4xlift
Nim Deathmantle
11%inclusion1 decks9 decks
3.4xlift
Prosthetic Injector
11%inclusion1 decks9 decks
198xlift
Banner of Kinship
11%inclusion1 decks9 decks
28xlift
Door of Destinies
11%inclusion1 decks9 decks
40xlift
Manascape Refractor
11%inclusion1 decks9 decks
66xlift
Nihil Spellbomb
11%inclusion1 decks9 decks
7.9xlift
Altar of the Brood
11%inclusion1 decks9 decks
3.3xlift
Swiftfoot Boots
11%inclusion1 decks9 decks
0.7xlift
Lightning Greaves
11%inclusion1 decks9 decks
0.3xlift
Sword of the Paruns
11%inclusion1 decks9 decks
40xlift
Thornbite Staff
11%inclusion1 decks9 decks
3.4xlift
Enchantments
Animate Dead
33%inclusion3 decks9 decks
0.8xlift
Cover of Darkness
33%inclusion3 decks9 decks
28xlift
Phyrexian Arena
33%inclusion3 decks9 decks
1.4xlift
Black Market
22%inclusion2 decks9 decks
3.4xlift
Grave Pact
22%inclusion2 decks9 decks
0.9xlift
Phyresis
22%inclusion2 decks9 decks
15xlift
Black Market Connections
22%inclusion2 decks9 decks
0.6xlift
Waste Not
11%inclusion1 decks9 decks
0.8xlift
The Meathook Massacre
11%inclusion1 decks9 decks
0.4xlift
Contamination
11%inclusion1 decks9 decks
0.6xlift
Glistening Oil
11%inclusion1 decks9 decks
17xlift
Haunted One
11%inclusion1 decks9 decks
7.9xlift
Tribute to Horobi
11%inclusion1 decks9 decks
50xlift
Necropotence
11%inclusion1 decks9 decks
0.2xlift
Carnival of Souls
11%inclusion1 decks9 decks
2.3xlift
No Mercy
11%inclusion1 decks9 decks
1.8xlift
Oversold Cemetery
11%inclusion1 decks9 decks
9.4xlift
Bitterblossom
11%inclusion1 decks9 decks
0.4xlift
Bad Moon
11%inclusion1 decks9 decks
33xlift
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion3 decks9 decks
30xlift
Karn, the Great Creator
11%inclusion1 decks9 decks
2.9xlift
Utility Lands
Swarmyard
89%inclusion8 decks9 decks
27xlift
Urborg, Tomb of Yawgmoth
89%inclusion8 decks9 decks
1.0xlift
Cabal Coffers
78%inclusion7 decks9 decks
1.0xlift
Phyrexian Tower
67%inclusion6 decks9 decks
1.0xlift
Ancient Tomb
67%inclusion6 decks9 decks
0.8xlift
Nykthos, Shrine to Nyx
67%inclusion6 decks9 decks
1.0xlift
Bojuka Bog
56%inclusion5 decks9 decks
1.7xlift
Cabal Stronghold
44%inclusion4 decks9 decks
1.7xlift
Three Tree City
44%inclusion4 decks9 decks
10xlift
Reliquary Tower
33%inclusion3 decks9 decks
1.4xlift
Urza's Saga
22%inclusion2 decks9 decks
0.4xlift
Takenuma, Abandoned Mire
22%inclusion2 decks9 decks
0.6xlift
Mishra's Workshop
22%inclusion2 decks9 decks
3.1xlift
Castle Locthwain
22%inclusion2 decks9 decks
1.1xlift
Strip Mine
22%inclusion2 decks9 decks
1.4xlift
Realm of Koh
20%inclusion1 decks5 decks
30xlift
Westvale Abbey
11%inclusion1 decks9 decks
2.9xlift
Witch's Clinic
11%inclusion1 decks9 decks
11xlift
Mortuary Mire
11%inclusion1 decks9 decks
3.2xlift
Barren Moor
11%inclusion1 decks9 decks
3.8xlift
Boseiju, Who Shelters All
11%inclusion1 decks9 decks
1.8xlift
Vesuva
11%inclusion1 decks9 decks
3.5xlift
Crypt of Agadeem
11%inclusion1 decks9 decks
1.8xlift
Inkmoth Nexus
11%inclusion1 decks9 decks
6.8xlift
Mutavault
11%inclusion1 decks9 decks
7.3xlift
Witch's Cottage
11%inclusion1 decks9 decks
0.9xlift
Volrath's Stronghold
11%inclusion1 decks9 decks
0.5xlift
Emergence Zone
11%inclusion1 decks9 decks
0.7xlift
The Dross Pits
11%inclusion1 decks9 decks
198xlift
Peat Bog
11%inclusion1 decks9 decks
1.2xlift
Terrain Generator
11%inclusion1 decks9 decks
13xlift
Field of the Dead
11%inclusion1 decks9 decks
3.2xlift
Lake of the Dead
11%inclusion1 decks9 decks
0.2xlift
Dark Depths
11%inclusion1 decks9 decks
12xlift
Dakmor Salvage
11%inclusion1 decks9 decks
8.6xlift
Rogue's Passage
11%inclusion1 decks9 decks
2.1xlift
Mana Artifacts
Sol Ring
89%inclusion8 decks9 decks
0.9xlift
Chrome Mox
78%inclusion7 decks9 decks
1.0xlift
Mox Diamond
78%inclusion7 decks9 decks
1.1xlift
Arcane Signet
67%inclusion6 decks9 decks
1.1xlift
Mana Vault
67%inclusion6 decks9 decks
0.9xlift
Lotus Petal
56%inclusion5 decks9 decks
0.9xlift
Glistening Sphere
33%inclusion3 decks9 decks
99xlift
Mox Amber
33%inclusion3 decks9 decks
0.9xlift
Caged Sun
11%inclusion1 decks9 decks
3.5xlift
Staff of Compleation
11%inclusion1 decks9 decks
12xlift
Charcoal Diamond
11%inclusion1 decks9 decks
2.6xlift
Grim Monolith
11%inclusion1 decks9 decks
0.3xlift
Patchwork Banner
11%inclusion1 decks9 decks
11xlift
Throne of Eldraine
11%inclusion1 decks9 decks
1.3xlift
Basalt Monolith
11%inclusion1 decks9 decks
1.7xlift
Thought Vessel
11%inclusion1 decks9 decks
0.8xlift
Skull of Ramos
11%inclusion1 decks9 decks
50xlift
Phyrexian Atlas
11%inclusion1 decks9 decks
198xlift
Mox Opal
11%inclusion1 decks9 decks
0.3xlift
Lands
Swamp
89%inclusion8 decks9 decks
1.0xlift
Cavern of Souls
56%inclusion5 decks9 decks
1.6xlift
Gemstone Caverns
33%inclusion3 decks9 decks
0.7xlift
Command Tower
22%inclusion2 decks9 decks
3.7xlift
Path of Ancestry
22%inclusion2 decks9 decks
23xlift
Snow-Covered Swamp
22%inclusion2 decks9 decks
1.3xlift
Prismatic Vista
11%inclusion1 decks9 decks
0.6xlift
Exotic Orchard
11%inclusion1 decks9 decks
9.0xlift
Unclaimed Territory
11%inclusion1 decks9 decks
66xlift
Verdant Catacombs
11%inclusion1 decks9 decks
0.4xlift
Reflecting Pool
11%inclusion1 decks9 decks
20xlift
Boggart Trawler
11%inclusion1 decks9 decks
0.8xlift
Demolition Field
11%inclusion1 decks9 decks
4.2xlift
Marsh Flats
11%inclusion1 decks9 decks
0.4xlift
Polluted Delta
11%inclusion1 decks9 decks
0.4xlift
Bloodstained Mire
11%inclusion1 decks9 decks
0.4xlift
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