Karumonix, the Rat King (Commander) - Optimized Combo

Karumonix, the Rat King
Rank #412
4decks
As CommanderAs CardAverage DeckDecks
Bracket
All
1
234
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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Vraska's Fall
100%inclusion4 decks4 decks
124xlift
Blightbelly Rat
100%inclusion4 decks4 decks
116xlift
Marrow-Gnawer
100%inclusion4 decks4 decks
169xlift
Vampiric Tutor
100%inclusion4 decks4 decks
1.6xlift
Demonic Tutor
100%inclusion4 decks4 decks
1.4xlift
Dark Ritual
100%inclusion4 decks4 decks
1.1xlift
High Lift Cards
Karn's Bastion
100%inclusion4 decks4 decks
64xlift
Creatures
Piper of the Swarm
75%inclusion3 decks4 decks
39xlift
Rat Colony
75%inclusion3 decks4 decks
35xlift
Ichor Rats
75%inclusion3 decks4 decks
58xlift
Pack Rat
50%inclusion2 decks4 decks
27xlift
Ashcoat of the Shadow Swarm
50%inclusion2 decks4 decks
40xlift
Yawgmoth, Thran Physician
50%inclusion2 decks4 decks
2.8xlift
Rancid Rats
50%inclusion2 decks4 decks
116xlift
Lord Skitter, Sewer King
50%inclusion2 decks4 decks
7.6xlift
Rat King, Verminister
33%inclusion1 decks3 decks
24xlift
Rat King, Pale Piper
33%inclusion1 decks3 decks
35xlift
Bog Rats
25%inclusion1 decks4 decks
116xlift
Plague Stinger
25%inclusion1 decks4 decks
52xlift
Mirkwood Bats
25%inclusion1 decks4 decks
5.9xlift
Ogre Slumlord
25%inclusion1 decks4 decks
8.8xlift
Crypt Rats
25%inclusion1 decks4 decks
19xlift
Plague Myr
25%inclusion1 decks4 decks
42xlift
Crashing Drawbridge
25%inclusion1 decks4 decks
7.5xlift
Ruthless Radrat
25%inclusion1 decks4 decks
155xlift
Ayara, First of Locthwain
25%inclusion1 decks4 decks
0.8xlift
Tangled Colony
25%inclusion1 decks4 decks
42xlift
Nezumi Bladeblesser
25%inclusion1 decks4 decks
464xlift
Filth
25%inclusion1 decks4 decks
19xlift
Zodiac Rat
25%inclusion1 decks4 decks
116xlift
Chittering Skitterling
25%inclusion1 decks4 decks
464xlift
Chittering Witch
25%inclusion1 decks4 decks
9.1xlift
Valley Rotcaller
25%inclusion1 decks4 decks
31xlift
Phyrexian Crusader
25%inclusion1 decks4 decks
93xlift
Jade-Cast Sentinel
25%inclusion1 decks4 decks
444xlift
Muck Rats
25%inclusion1 decks4 decks
232xlift
Septic Rats
25%inclusion1 decks4 decks
232xlift
Gnat Miser
25%inclusion1 decks4 decks
29xlift
Typhoid Rats
25%inclusion1 decks4 decks
33xlift
Skithiryx, the Blight Dragon
25%inclusion1 decks4 decks
18xlift
Instants
Village Rites
50%inclusion2 decks4 decks
2.9xlift
Murder
50%inclusion2 decks4 decks
13xlift
Fight On!
33%inclusion1 decks3 decks
43xlift
Zuko's Conviction
33%inclusion1 decks3 decks
111xlift
Deadly Rollick
25%inclusion1 decks4 decks
0.5xlift
Fell the Profane
25%inclusion1 decks4 decks
0.9xlift
Whisper of the Dross
25%inclusion1 decks4 decks
93xlift
Entomb
25%inclusion1 decks4 decks
0.6xlift
Go for the Throat
25%inclusion1 decks4 decks
1.6xlift
Imp's Mischief
25%inclusion1 decks4 decks
0.6xlift
Snuff Out
25%inclusion1 decks4 decks
0.9xlift
Hatred
25%inclusion1 decks4 decks
23xlift
Deadly Dispute
25%inclusion1 decks4 decks
1.2xlift
Cabal Ritual
25%inclusion1 decks4 decks
0.5xlift
Culling the Weak
25%inclusion1 decks4 decks
0.5xlift
Infernal Grasp
25%inclusion1 decks4 decks
1.3xlift
Tainted Strike
25%inclusion1 decks4 decks
12xlift
Ad Nauseam
25%inclusion1 decks4 decks
2.0xlift
Malakir Rebirth
25%inclusion1 decks4 decks
0.6xlift
You Are Already Dead
25%inclusion1 decks4 decks
42xlift
Fake Your Own Death
25%inclusion1 decks4 decks
8.0xlift
Corrupted Conviction
25%inclusion1 decks4 decks
4.5xlift
Ob Nixilis's Cruelty
25%inclusion1 decks4 decks
155xlift
Sorceries
Phyresis Outbreak
75%inclusion3 decks4 decks
116xlift
Infectious Inquiry
75%inclusion3 decks4 decks
66xlift
Diabolic Intent
50%inclusion2 decks4 decks
1.2xlift
Imperial Seal
50%inclusion2 decks4 decks
1.8xlift
Feed the Swarm
50%inclusion2 decks4 decks
0.9xlift
Toxic Deluge
50%inclusion2 decks4 decks
0.9xlift
Drown in Ichor
50%inclusion2 decks4 decks
77xlift
Bone Splinters
25%inclusion1 decks4 decks
52xlift
Diabolic Tutor
25%inclusion1 decks4 decks
1.1xlift
Victimize
25%inclusion1 decks4 decks
1.0xlift
Patriarch's Bidding
25%inclusion1 decks4 decks
16xlift
Final Act
25%inclusion1 decks4 decks
23xlift
Agadeem's Awakening
25%inclusion1 decks4 decks
1.5xlift
Echoing Return
25%inclusion1 decks4 decks
22xlift
Lash of the Balrog
25%inclusion1 decks4 decks
155xlift
Mutilate
25%inclusion1 decks4 decks
2.8xlift
Exsanguinate
25%inclusion1 decks4 decks
0.9xlift
Fortuitous Find
25%inclusion1 decks4 decks
39xlift
Reanimate
25%inclusion1 decks4 decks
0.4xlift
In Garruk's Wake
25%inclusion1 decks4 decks
18xlift
Beacon of Unrest
25%inclusion1 decks4 decks
17xlift
Sign in Blood
25%inclusion1 decks4 decks
0.8xlift
Beseech the Mirror
25%inclusion1 decks4 decks
0.9xlift
Raise Dead
25%inclusion1 decks4 decks
66xlift
Assassinate
25%inclusion1 decks4 decks
155xlift
Disentomb
25%inclusion1 decks4 decks
31xlift
Grim Tutor
25%inclusion1 decks4 decks
0.7xlift
Plague of Vermin
25%inclusion1 decks4 decks
6.2xlift
Pact of the Serpent
25%inclusion1 decks4 decks
58xlift
Utility Artifacts
Contagion Engine
75%inclusion3 decks4 decks
278xlift
Thrumming Stone
75%inclusion3 decks4 decks
31xlift
Lightning Greaves
75%inclusion3 decks4 decks
2.2xlift
Thornbite Staff
75%inclusion3 decks4 decks
26xlift
The One Ring
50%inclusion2 decks4 decks
1.7xlift
Bontu's Monument
50%inclusion2 decks4 decks
2.1xlift
Jet Medallion
50%inclusion2 decks4 decks
0.6xlift
Grafted Exoskeleton
50%inclusion2 decks4 decks
103xlift
Elixir of Immortality
25%inclusion1 decks4 decks
11xlift
Bolas's Citadel
25%inclusion1 decks4 decks
0.4xlift
Contagion Clasp
25%inclusion1 decks4 decks
93xlift
Skullclamp
25%inclusion1 decks4 decks
0.9xlift
Bloodsoaked Altar
25%inclusion1 decks4 decks
155xlift
Wishclaw Talisman
25%inclusion1 decks4 decks
1.0xlift
Phyrexian Altar
25%inclusion1 decks4 decks
0.7xlift
Akroma's Memorial
25%inclusion1 decks4 decks
77xlift
Herald's Horn
25%inclusion1 decks4 decks
12xlift
Swiftfoot Boots
25%inclusion1 decks4 decks
1.1xlift
Welding Jar
25%inclusion1 decks4 decks
52xlift
Enchantments
Cover of Darkness
75%inclusion3 decks4 decks
107xlift
Necropotence
50%inclusion2 decks4 decks
1.0xlift
Phyresis
50%inclusion2 decks4 decks
36xlift
Black Market Connections
50%inclusion2 decks4 decks
1.4xlift
Phyrexian Arena
50%inclusion2 decks4 decks
1.7xlift
Black Market
25%inclusion1 decks4 decks
2.9xlift
Contamination
25%inclusion1 decks4 decks
2.3xlift
Grave Pact
25%inclusion1 decks4 decks
0.9xlift
Seal of Doom
25%inclusion1 decks4 decks
464xlift
Dictate of Erebos
25%inclusion1 decks4 decks
2.2xlift
No Mercy
25%inclusion1 decks4 decks
3.0xlift
Animate Dead
25%inclusion1 decks4 decks
0.7xlift
Leyline of the Void
25%inclusion1 decks4 decks
11xlift
Necrogen Communion
25%inclusion1 decks4 decks
46xlift
Utility Lands
Swarmyard
75%inclusion3 decks4 decks
27xlift
Cabal Coffers
75%inclusion3 decks4 decks
1.0xlift
Urborg, Tomb of Yawgmoth
75%inclusion3 decks4 decks
1.2xlift
Bojuka Bog
50%inclusion2 decks4 decks
1.1xlift
Phyrexian Tower
50%inclusion2 decks4 decks
1.0xlift
Ancient Tomb
50%inclusion2 decks4 decks
1.3xlift
Inkmoth Nexus
50%inclusion2 decks4 decks
52xlift
Nykthos, Shrine to Nyx
50%inclusion2 decks4 decks
1.1xlift
Reliquary Tower
50%inclusion2 decks4 decks
1.7xlift
Shizo, Death's Storehouse
25%inclusion1 decks4 decks
1.7xlift
Cabal Stronghold
25%inclusion1 decks4 decks
0.7xlift
Buried Ruin
25%inclusion1 decks4 decks
3.6xlift
Urza's Saga
25%inclusion1 decks4 decks
1.1xlift
Mutavault
25%inclusion1 decks4 decks
22xlift
War Room
25%inclusion1 decks4 decks
1.6xlift
Takenuma, Abandoned Mire
25%inclusion1 decks4 decks
0.9xlift
Castle Locthwain
25%inclusion1 decks4 decks
1.2xlift
Strip Mine
25%inclusion1 decks4 decks
3.4xlift
Three Tree City
25%inclusion1 decks4 decks
11xlift
Mana Artifacts
Sol Ring
75%inclusion3 decks4 decks
0.8xlift
Chrome Mox
75%inclusion3 decks4 decks
2.8xlift
Staff of Compleation
50%inclusion2 decks4 decks
55xlift
Glistening Sphere
50%inclusion2 decks4 decks
232xlift
Lotus Petal
50%inclusion2 decks4 decks
1.6xlift
Mana Vault
50%inclusion2 decks4 decks
1.8xlift
Arcane Signet
25%inclusion1 decks4 decks
0.4xlift
Mox Amber
25%inclusion1 decks4 decks
1.7xlift
Mox Diamond
25%inclusion1 decks4 decks
1.9xlift
Lands
Swamp
100%inclusion4 decks4 decks
1.1xlift
Prismatic Vista
25%inclusion1 decks4 decks
3.7xlift
Fell the Profane
25%inclusion1 decks4 decks
0.9xlift
Agadeem's Awakening
25%inclusion1 decks4 decks
1.5xlift
Verdant Catacombs
25%inclusion1 decks4 decks
2.5xlift
Cavern of Souls
25%inclusion1 decks4 decks
1.7xlift
Malakir Rebirth
25%inclusion1 decks4 decks
0.6xlift
Marsh Flats
25%inclusion1 decks4 decks
2.4xlift
Polluted Delta
25%inclusion1 decks4 decks
2.3xlift
Bloodstained Mire
25%inclusion1 decks4 decks
2.3xlift
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