Karumonix, the Rat King (Commander) - Budget 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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Mana Artifacts
Lands
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Piper of the Swarm
100%inclusion9 decks9 decks
24xlift
Rancid Rats
89%inclusion8 decks9 decks
45xlift
Voracious Vermin
89%inclusion8 decks9 decks
36xlift
Ichor Rats
89%inclusion8 decks9 decks
34xlift
Lord Skitter's Butcher
89%inclusion8 decks9 decks
34xlift
Blightbelly Rat
89%inclusion8 decks9 decks
26xlift
Necrogen Communion
78%inclusion7 decks9 decks
50xlift
Infectious Inquiry
78%inclusion7 decks9 decks
28xlift
Drown in Ichor
78%inclusion7 decks9 decks
28xlift
Typhoid Rats
78%inclusion7 decks9 decks
21xlift
High Lift Cards
Chittering Skitterling
56%inclusion5 decks9 decks
110xlift
Ruin Rat
67%inclusion6 decks9 decks
70xlift
Grim Affliction
56%inclusion5 decks9 decks
58xlift
Marrow-Gnawer
67%inclusion6 decks9 decks
57xlift
Septic Rats
56%inclusion5 decks9 decks
40xlift
Vat Emergence
56%inclusion5 decks9 decks
40xlift
Nezumi Prowler
44%inclusion4 decks9 decks
38xlift
Engine Rat
56%inclusion5 decks9 decks
37xlift
Wave of Rats
44%inclusion4 decks9 decks
36xlift
Rat Out
56%inclusion5 decks9 decks
35xlift
Creatures
Ogre Slumlord
78%inclusion7 decks9 decks
8.6xlift
Crypt Rats
78%inclusion7 decks9 decks
21xlift
Lord Skitter, Sewer King
78%inclusion7 decks9 decks
12xlift
Burglar Rat
67%inclusion6 decks9 decks
5.0xlift
Tangled Colony
67%inclusion6 decks9 decks
28xlift
Pack Rat
67%inclusion6 decks9 decks
19xlift
Rat King, Pale Piper
67%inclusion4 decks6 decks
22xlift
Ravenous Rats
56%inclusion5 decks9 decks
28xlift
Chittering Witch
56%inclusion5 decks9 decks
12xlift
Stronghold Rats
56%inclusion5 decks9 decks
15xlift
Persistent Marshstalker
44%inclusion4 decks9 decks
20xlift
Swarm of Rats
44%inclusion4 decks9 decks
26xlift
Drainpipe Vermin
44%inclusion4 decks9 decks
32xlift
Pestilence Rats
44%inclusion4 decks9 decks
25xlift
Gnat Miser
44%inclusion4 decks9 decks
23xlift
Rat Colony
44%inclusion4 decks9 decks
19xlift
Skullsnatcher
33%inclusion3 decks9 decks
54xlift
Razortooth Rats
33%inclusion3 decks9 decks
66xlift
Twisted Sewer-Witch
33%inclusion3 decks9 decks
27xlift
Nezumi Cutthroat
33%inclusion3 decks9 decks
59xlift
Ratcatcher
33%inclusion3 decks9 decks
16xlift
Rat King, Verminister
29%inclusion2 decks7 decks
13xlift
Bog Rats
22%inclusion2 decks9 decks
40xlift
Mirkwood Bats
22%inclusion2 decks9 decks
3.1xlift
Innocuous Rat
22%inclusion2 decks9 decks
25xlift
Gnawing Vermin
22%inclusion2 decks9 decks
17xlift
Filth
22%inclusion2 decks9 decks
19xlift
Daggerfang Duo
22%inclusion2 decks9 decks
36xlift
Ink-Eyes, Servant of Oni
22%inclusion2 decks9 decks
10xlift
Locust Miser
22%inclusion2 decks9 decks
18xlift
Ashcoat of the Shadow Swarm
22%inclusion2 decks9 decks
18xlift
Nezumi Informant
22%inclusion2 decks9 decks
3.2xlift
Crackdown Construct
22%inclusion2 decks9 decks
79xlift
Nezumi Bone-Reader
22%inclusion2 decks9 decks
30xlift
Nashi, Moon Sage's Scion
22%inclusion2 decks9 decks
13xlift
Braids, Cabal Minion
22%inclusion2 decks9 decks
2.3xlift
Gulping Scraptrap
22%inclusion2 decks9 decks
50xlift
Old Flitterfang
22%inclusion2 decks9 decks
25xlift
Arnyn, Deathbloom Botanist
17%inclusion1 decks6 decks
5.9xlift
Cheerful Osteomancer
17%inclusion1 decks6 decks
17xlift
Elephant-Rat
13%inclusion1 decks8 decks
169xlift
Phyrexian Juggernaut
11%inclusion1 decks9 decks
50xlift
Refurbished Familiar
11%inclusion1 decks9 decks
3.8xlift
Plague Stinger
11%inclusion1 decks9 decks
11xlift
Chittering Rats
11%inclusion1 decks9 decks
25xlift
Nezumi Ronin
11%inclusion1 decks9 decks
50xlift
Dread Presence
11%inclusion1 decks9 decks
0.9xlift
Carrion Rats
11%inclusion1 decks9 decks
50xlift
Gutter Skulk
11%inclusion1 decks9 decks
99xlift
Rotting Rats
11%inclusion1 decks9 decks
3.9xlift
Instants
Whisper of the Dross
67%inclusion6 decks9 decks
32xlift
Vraska's Fall
67%inclusion6 decks9 decks
14xlift
Dark Ritual
44%inclusion4 decks9 decks
0.6xlift
Corrupted Conviction
44%inclusion4 decks9 decks
3.4xlift
Go for the Throat
33%inclusion3 decks9 decks
1.6xlift
Consuming Corruption
33%inclusion3 decks9 decks
2.0xlift
Defile
33%inclusion3 decks9 decks
1.3xlift
Murder
33%inclusion3 decks9 decks
2.0xlift
Deadly Rollick
22%inclusion2 decks9 decks
4.4xlift
Village Rites
22%inclusion2 decks9 decks
0.8xlift
Infernal Grasp
22%inclusion2 decks9 decks
0.9xlift
Tragic Slip
22%inclusion2 decks9 decks
1.3xlift
The Spot's Portal
13%inclusion1 decks8 decks
166xlift
Zuko's Conviction
13%inclusion1 decks8 decks
11xlift
Hero's Downfall
11%inclusion1 decks9 decks
1.0xlift
Mausoleum Secrets
11%inclusion1 decks9 decks
2.5xlift
Finishing Blow
11%inclusion1 decks9 decks
33xlift
Undying Evil
11%inclusion1 decks9 decks
3.1xlift
Anoint with Affliction
11%inclusion1 decks9 decks
50xlift
Deadly Dispute
11%inclusion1 decks9 decks
0.4xlift
Price of Fame
11%inclusion1 decks9 decks
7.1xlift
Virulent Wound
11%inclusion1 decks9 decks
66xlift
Bitter Triumph
11%inclusion1 decks9 decks
1.1xlift
Raise the Draugr
11%inclusion1 decks9 decks
8.6xlift
Undying Malice
11%inclusion1 decks9 decks
0.9xlift
Death Denied
11%inclusion1 decks9 decks
15xlift
Tainted Strike
11%inclusion1 decks9 decks
5.2xlift
Ad Nauseam
11%inclusion1 decks9 decks
3.5xlift
Foul-Tongue Shriek
11%inclusion1 decks9 decks
8.3xlift
Unseal the Necropolis
11%inclusion1 decks9 decks
7.6xlift
Butcher's Glee
11%inclusion1 decks9 decks
99xlift
Offer Immortality
11%inclusion1 decks9 decks
3.5xlift
Alesha's Legacy
11%inclusion1 decks9 decks
4.1xlift
Lethal Scheme
11%inclusion1 decks9 decks
3.1xlift
Gravepurge
11%inclusion1 decks9 decks
5.1xlift
Touch of Moonglove
11%inclusion1 decks9 decks
99xlift
Ultimate Price
11%inclusion1 decks9 decks
17xlift
Live or Die
11%inclusion1 decks9 decks
10xlift
Vampiric Tutor
11%inclusion1 decks9 decks
2.7xlift
Maximum Overdrive
11%inclusion1 decks9 decks
6.2xlift
Desperate Measures
11%inclusion1 decks9 decks
11xlift
Early Winter
11%inclusion1 decks9 decks
17xlift
Sorceries
Revenge of the Rats
56%inclusion5 decks9 decks
23xlift
Crippling Fear
56%inclusion5 decks9 decks
24xlift
Spread the Sickness
33%inclusion3 decks9 decks
66xlift
Feed the Infection
33%inclusion3 decks9 decks
28xlift
Night's Whisper
33%inclusion3 decks9 decks
1.3xlift
Sign in Blood
33%inclusion3 decks9 decks
0.9xlift
Gruesome Fate
33%inclusion3 decks9 decks
21xlift
Phyresis Outbreak
22%inclusion2 decks9 decks
17xlift
Feed the Swarm
22%inclusion2 decks9 decks
0.5xlift
Read the Bones
22%inclusion2 decks9 decks
1.2xlift
Mutilate
22%inclusion2 decks9 decks
1.4xlift
Demonic Tutor
22%inclusion2 decks9 decks
3.5xlift
Lab Rats
22%inclusion2 decks9 decks
36xlift
Kindred Dominance
22%inclusion2 decks9 decks
11xlift
Send in the Pest
17%inclusion1 decks6 decks
4.2xlift
Bloodline Bidding
14%inclusion1 decks7 decks
5.4xlift
Darkness Descends
14%inclusion1 decks7 decks
30xlift
Deadly Precision
13%inclusion1 decks8 decks
8.4xlift
Increasing Ambition
11%inclusion1 decks9 decks
6.4xlift
Stench of Evil
11%inclusion1 decks9 decks
22xlift
Diabolic Tutor
11%inclusion1 decks9 decks
0.3xlift
Peer into the Abyss
11%inclusion1 decks9 decks
0.7xlift
Break the Ice
11%inclusion1 decks9 decks
17xlift
Patriarch's Bidding
11%inclusion1 decks9 decks
8.6xlift
Profane Tutor
11%inclusion1 decks9 decks
1.6xlift
Nightmare Unmaking
11%inclusion1 decks9 decks
11xlift
March of the Returned
11%inclusion1 decks9 decks
99xlift
Soul Salvage
11%inclusion1 decks9 decks
22xlift
Lash of the Balrog
11%inclusion1 decks9 decks
8.6xlift
Death Cloud
11%inclusion1 decks9 decks
1.3xlift
Bone Shards
11%inclusion1 decks9 decks
3.2xlift
Smallpox
11%inclusion1 decks9 decks
1.0xlift
Buried Alive
11%inclusion1 decks9 decks
0.7xlift
Caress of Phyrexia
11%inclusion1 decks9 decks
18xlift
Stronghold Discipline
11%inclusion1 decks9 decks
28xlift
Swallowing Plague
11%inclusion1 decks9 decks
198xlift
Unburden
11%inclusion1 decks9 decks
22xlift
Final Parting
11%inclusion1 decks9 decks
1.1xlift
Annihilating Glare
11%inclusion1 decks9 decks
5.7xlift
Toxic Deluge
11%inclusion1 decks9 decks
0.5xlift
Geth's Summons
11%inclusion1 decks9 decks
25xlift
Dutiful Return
11%inclusion1 decks9 decks
22xlift
Final Vengeance
11%inclusion1 decks9 decks
4.6xlift
Syphon Soul
11%inclusion1 decks9 decks
10xlift
Damnation
11%inclusion1 decks9 decks
1.6xlift
Let's Play a Game
11%inclusion1 decks9 decks
4.2xlift
Epic Downfall
11%inclusion1 decks9 decks
15xlift
Plague of Vermin
11%inclusion1 decks9 decks
6.6xlift
Pact of the Serpent
11%inclusion1 decks9 decks
8.6xlift
Utility Artifacts
Bontu's Monument
56%inclusion5 decks9 decks
2.3xlift
Vanquisher's Banner
44%inclusion4 decks9 decks
22xlift
Icon of Ancestry
33%inclusion3 decks9 decks
40xlift
Contagion Clasp
33%inclusion3 decks9 decks
17xlift
Herald's Horn
33%inclusion3 decks9 decks
13xlift
Swiftfoot Boots
33%inclusion3 decks9 decks
1.1xlift
Thornbite Staff
33%inclusion3 decks9 decks
13xlift
Bolas's Citadel
22%inclusion2 decks9 decks
0.7xlift
Wayfarer's Bauble
22%inclusion2 decks9 decks
1.8xlift
Contagion Engine
22%inclusion2 decks9 decks
21xlift
Coat of Arms
22%inclusion2 decks9 decks
25xlift
Hall of Triumph
22%inclusion2 decks9 decks
44xlift
Jet Medallion
22%inclusion2 decks9 decks
0.5xlift
Demon's Horn
22%inclusion2 decks9 decks
3.3xlift
Vat of Rebirth
11%inclusion1 decks9 decks
4.0xlift
Skeleton Key
11%inclusion1 decks9 decks
33xlift
Whip of Erebos
11%inclusion1 decks9 decks
1.6xlift
Mishra's Bauble
11%inclusion1 decks9 decks
12xlift
Skullclamp
11%inclusion1 decks9 decks
0.7xlift
Thieves' Tools
11%inclusion1 decks9 decks
9.4xlift
Prosthetic Injector
11%inclusion1 decks9 decks
99xlift
Expedition Map
11%inclusion1 decks9 decks
2.1xlift
Sinister Monolith
11%inclusion1 decks9 decks
7.1xlift
Mindcrank
11%inclusion1 decks9 decks
3.4xlift
Enchantments
Oversold Cemetery
44%inclusion4 decks9 decks
8.7xlift
Bad Moon
33%inclusion3 decks9 decks
11xlift
Black Market
22%inclusion2 decks9 decks
1.2xlift
Contamination
22%inclusion2 decks9 decks
2.6xlift
Relic Putrescence
22%inclusion2 decks9 decks
99xlift
Phyresis
22%inclusion2 decks9 decks
11xlift
Lord Skitter's Blessing
22%inclusion2 decks9 decks
66xlift
Cover of Darkness
22%inclusion2 decks9 decks
19xlift
Phyrexian Arena
22%inclusion2 decks9 decks
0.6xlift
Nest of Scarabs
11%inclusion1 decks9 decks
2.0xlift
Greed
11%inclusion1 decks9 decks
1.0xlift
Blowfly Infestation
11%inclusion1 decks9 decks
5.1xlift
Cracked Skull
11%inclusion1 decks9 decks
18xlift
Contaminated Ground
11%inclusion1 decks9 decks
28xlift
Contaminated Bond
11%inclusion1 decks9 decks
66xlift
Phyrexian Reclamation
11%inclusion1 decks9 decks
1.1xlift
Sporogenic Infection
11%inclusion1 decks9 decks
20xlift
Vampiric Rites
11%inclusion1 decks9 decks
1.2xlift
Haunted One
11%inclusion1 decks9 decks
12xlift
Quest for the Nihil Stone
11%inclusion1 decks9 decks
6.2xlift
Underworld Dreams
11%inclusion1 decks9 decks
1.0xlift
Eternal Thirst
11%inclusion1 decks9 decks
4.8xlift
Funeral Room // Awakening Hall
11%inclusion1 decks9 decks
2.0xlift
Screams from Within
11%inclusion1 decks9 decks
12xlift
Painful Quandary
11%inclusion1 decks9 decks
0.7xlift
Bloodchief Ascension
11%inclusion1 decks9 decks
2.7xlift
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion3 decks9 decks
14xlift
Liliana of the Dark Realms
11%inclusion1 decks9 decks
1.1xlift
Utility Lands
Bojuka Bog
78%inclusion7 decks9 decks
1.9xlift
Mortuary Mire
33%inclusion3 decks9 decks
2.1xlift
Swarmyard
33%inclusion3 decks9 decks
14xlift
Witch's Cottage
33%inclusion3 decks9 decks
1.6xlift
Mudflat Village
33%inclusion3 decks9 decks
14xlift
Karn's Bastion
22%inclusion2 decks9 decks
10xlift
Reliquary Tower
22%inclusion2 decks9 decks
1.0xlift
Rogue's Passage
22%inclusion2 decks9 decks
1.2xlift
Vault of Whispers
11%inclusion1 decks9 decks
3.4xlift
Barren Moor
11%inclusion1 decks9 decks
0.8xlift
Blast Zone
11%inclusion1 decks9 decks
4.2xlift
Cabal Coffers
11%inclusion1 decks9 decks
0.6xlift
Drownyard Temple
11%inclusion1 decks9 decks
6.0xlift
Temple of the False God
11%inclusion1 decks9 decks
1.1xlift
Mana Artifacts
Sol Ring
89%inclusion8 decks9 decks
1.0xlift
Arcane Signet
44%inclusion4 decks9 decks
0.8xlift
Charcoal Diamond
22%inclusion2 decks9 decks
0.9xlift
Glistening Sphere
22%inclusion2 decks9 decks
33xlift
Patchwork Banner
22%inclusion2 decks9 decks
8.6xlift
Mind Stone
22%inclusion2 decks9 decks
0.7xlift
Everflowing Chalice
11%inclusion1 decks9 decks
1.2xlift
Heraldic Banner
11%inclusion1 decks9 decks
2.4xlift
Fellwar Stone
11%inclusion1 decks9 decks
0.8xlift
Thought Vessel
11%inclusion1 decks9 decks
0.5xlift
Gilded Lotus
11%inclusion1 decks9 decks
1.6xlift
Worn Powerstone
11%inclusion1 decks9 decks
1.7xlift
Phyrexian Atlas
11%inclusion1 decks9 decks
28xlift
Prismatic Lens
11%inclusion1 decks9 decks
2.7xlift
Lands
Swamp
100%inclusion9 decks9 decks
1.0xlift
Path of Ancestry
33%inclusion3 decks9 decks
6.3xlift
Command Tower
22%inclusion2 decks9 decks
2.6xlift
Terramorphic Expanse
22%inclusion2 decks9 decks
4.3xlift
Big Apple, 3 a.m.
17%inclusion1 decks6 decks
17xlift
Myriad Landscape
11%inclusion1 decks9 decks
0.5xlift
Secluded Courtyard
11%inclusion1 decks9 decks
14xlift
Evolving Wilds
11%inclusion1 decks9 decks
1.5xlift
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