Karumonix, the Rat King (Commander) - Core -1/-1 Counters

Karumonix, the Rat King
Rank #408
5decks
As CommanderAs CardAverage DeckDecks
Bracket
All123
4
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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Utility Lands
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Lands
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Rancid Rats
100%inclusion5 decks5 decks
98%synergy
Infectious Inquiry
100%inclusion5 decks5 decks
97%synergy
Blightbelly Rat
100%inclusion5 decks5 decks
97%synergy
Piper of the Swarm
100%inclusion5 decks5 decks
93%synergy
Burglar Rat
100%inclusion5 decks5 decks
90%synergy
Feed the Infection
80%inclusion4 decks5 decks
79%synergy
Wave of Rats
80%inclusion4 decks5 decks
78%synergy
Necrogen Communion
80%inclusion4 decks5 decks
78%synergy
Voracious Vermin
80%inclusion4 decks5 decks
77%synergy
Ichor Rats
80%inclusion4 decks5 decks
77%synergy
Top Cards
Defile
100%inclusion5 decks5 decks
65%synergy
Ogre Slumlord
80%inclusion4 decks5 decks
70%synergy
Crypt Rats
80%inclusion4 decks5 decks
76%synergy
Marrow-Gnawer
80%inclusion4 decks5 decks
77%synergy
Lord Skitter's Butcher
80%inclusion4 decks5 decks
77%synergy
Pack Rat
80%inclusion4 decks5 decks
74%synergy
Bontu's Monument
80%inclusion4 decks5 decks
52%synergy
Ratcatcher
80%inclusion4 decks5 decks
77%synergy
Jet Medallion
80%inclusion4 decks5 decks
18%synergy
Typhoid Rats
80%inclusion4 decks5 decks
76%synergy
Creatures
Stronghold Rats
80%inclusion4 decks5 decks
77%synergy
Mukotai Ambusher
60%inclusion3 decks5 decks
59%synergy
Throat Slitter
60%inclusion3 decks5 decks
58%synergy
Ink-Eyes, Servant of Oni
60%inclusion3 decks5 decks
57%synergy
Chittering Witch
60%inclusion3 decks5 decks
56%synergy
Septic Rats
60%inclusion3 decks5 decks
58%synergy
Ruin Rat
60%inclusion3 decks5 decks
59%synergy
Chittering Rats
40%inclusion2 decks5 decks
39%synergy
Graveshifter
40%inclusion2 decks5 decks
39%synergy
Ravenous Rats
40%inclusion2 decks5 decks
38%synergy
Ayara, First of Locthwain
40%inclusion2 decks5 decks
15%synergy
Nezumi Bladeblesser
40%inclusion2 decks5 decks
39%synergy
Scrib Nibblers
40%inclusion2 decks5 decks
40%synergy
Bloodline Pretender
40%inclusion2 decks5 decks
39%synergy
Adaptive Automaton
40%inclusion2 decks5 decks
39%synergy
Swarm of Rats
40%inclusion2 decks5 decks
38%synergy
Chittering Skitterling
40%inclusion2 decks5 decks
39%synergy
Twisted Sewer-Witch
40%inclusion2 decks5 decks
39%synergy
Nezumi Cutthroat
40%inclusion2 decks5 decks
39%synergy
Crypt Ghast
40%inclusion2 decks5 decks
-7%synergy
Nezumi Informant
40%inclusion2 decks5 decks
34%synergy
Nezumi Prowler
40%inclusion2 decks5 decks
39%synergy
Nashi, Moon Sage's Scion
40%inclusion2 decks5 decks
36%synergy
Okiba-Gang Shinobi
40%inclusion2 decks5 decks
39%synergy
Lord Skitter, Sewer King
40%inclusion2 decks5 decks
32%synergy
Engine Rat
25%inclusion1 decks4 decks
23%synergy
Solemn Simulacrum
20%inclusion1 decks5 decks
-1%synergy
Bog Rats
20%inclusion1 decks5 decks
20%synergy
Patron of the Nezumi
20%inclusion1 decks5 decks
19%synergy
Mirkwood Bats
20%inclusion1 decks5 decks
12%synergy
Innocuous Rat
20%inclusion1 decks5 decks
19%synergy
Gutter Skulk
20%inclusion1 decks5 decks
20%synergy
Rotting Rats
20%inclusion1 decks5 decks
17%synergy
Metallic Mimic
20%inclusion1 decks5 decks
19%synergy
Thornplate Intimidator
20%inclusion1 decks5 decks
19%synergy
Gnawing Vermin
20%inclusion1 decks5 decks
19%synergy
Falkenrath Noble
20%inclusion1 decks5 decks
15%synergy
Defiler of Flesh
20%inclusion1 decks5 decks
16%synergy
Tangled Colony
20%inclusion1 decks5 decks
17%synergy
Infected Vermin
20%inclusion1 decks5 decks
20%synergy
Diseased Vermin
20%inclusion1 decks5 decks
20%synergy
Insatiable Frugivore
20%inclusion1 decks5 decks
20%synergy
Species Specialist
20%inclusion1 decks5 decks
17%synergy
Skullsnatcher
20%inclusion1 decks5 decks
19%synergy
Sinuous Vermin
20%inclusion1 decks5 decks
20%synergy
Persistent Marshstalker
20%inclusion1 decks5 decks
17%synergy
Burnished Hart
20%inclusion1 decks5 decks
13%synergy
Valley Rotcaller
20%inclusion1 decks5 decks
17%synergy
Ashcoat of the Shadow Swarm
20%inclusion1 decks5 decks
16%synergy
Ossuary Rats
20%inclusion1 decks5 decks
20%synergy
Instants
Whisper of the Dross
60%inclusion3 decks5 decks
57%synergy
Vraska's Fall
60%inclusion3 decks5 decks
57%synergy
Grim Affliction
60%inclusion3 decks5 decks
58%synergy
Hero's Downfall
40%inclusion2 decks5 decks
33%synergy
Go for the Throat
40%inclusion2 decks5 decks
18%synergy
Village Rites
40%inclusion2 decks5 decks
14%synergy
Deadly Dispute
40%inclusion2 decks5 decks
13%synergy
Dark Ritual
40%inclusion2 decks5 decks
-27%synergy
Altar's Reap
40%inclusion2 decks5 decks
38%synergy
Murder
40%inclusion2 decks5 decks
30%synergy
Foul-Tongue Shriek
40%inclusion2 decks5 decks
38%synergy
Gravepurge
40%inclusion2 decks5 decks
39%synergy
Tragic Slip
40%inclusion2 decks5 decks
21%synergy
Dismember
40%inclusion2 decks5 decks
30%synergy
Rat Out
20%inclusion1 decks5 decks
19%synergy
Consuming Corruption
20%inclusion1 decks5 decks
5%synergy
Anoint with Affliction
20%inclusion1 decks5 decks
19%synergy
Virulent Wound
20%inclusion1 decks5 decks
20%synergy
Bitter Triumph
20%inclusion1 decks5 decks
10%synergy
Tendrils of Corruption
20%inclusion1 decks5 decks
17%synergy
Infernal Grasp
20%inclusion1 decks5 decks
-5%synergy
Death Denied
20%inclusion1 decks5 decks
19%synergy
Baleful Mastery
20%inclusion1 decks5 decks
12%synergy
Plumb the Forbidden
20%inclusion1 decks5 decks
16%synergy
Corrupted Conviction
20%inclusion1 decks5 decks
8%synergy
Liliana's Triumph
20%inclusion1 decks5 decks
14%synergy
Debt to the Kami
20%inclusion1 decks5 decks
20%synergy
Withering Torment
20%inclusion1 decks5 decks
-11%synergy
Sorceries
Drown in Ichor
80%inclusion4 decks5 decks
76%synergy
Crippling Fear
60%inclusion3 decks5 decks
57%synergy
Vat Emergence
40%inclusion2 decks5 decks
39%synergy
Phyresis Outbreak
40%inclusion2 decks5 decks
38%synergy
Read the Bones
40%inclusion2 decks5 decks
24%synergy
Syphon Mind
40%inclusion2 decks5 decks
28%synergy
Geth's Summons
40%inclusion2 decks5 decks
40%synergy
Revenge of the Rats
25%inclusion1 decks4 decks
22%synergy
Spread the Sickness
20%inclusion1 decks5 decks
19%synergy
Victimize
20%inclusion1 decks5 decks
-8%synergy
Patriarch's Bidding
20%inclusion1 decks5 decks
16%synergy
Damnable Pact
20%inclusion1 decks5 decks
16%synergy
Entreat the Dead
20%inclusion1 decks5 decks
20%synergy
Return from Extinction
20%inclusion1 decks5 decks
20%synergy
Unearth
20%inclusion1 decks5 decks
11%synergy
Swarmyard Massacre
20%inclusion1 decks5 decks
18%synergy
Feed the Swarm
20%inclusion1 decks5 decks
-30%synergy
Mutilate
20%inclusion1 decks5 decks
5%synergy
Exsanguinate
20%inclusion1 decks5 decks
-5%synergy
Caress of Phyrexia
20%inclusion1 decks5 decks
19%synergy
Ambition's Cost
20%inclusion1 decks5 decks
17%synergy
Reanimate
20%inclusion1 decks5 decks
-21%synergy
In Garruk's Wake
20%inclusion1 decks5 decks
16%synergy
Toxic Deluge
20%inclusion1 decks5 decks
-17%synergy
Gruesome Fate
20%inclusion1 decks5 decks
18%synergy
Plague of Vermin
20%inclusion1 decks5 decks
18%synergy
Pact of the Serpent
20%inclusion1 decks5 decks
18%synergy
Utility Artifacts
Icon of Ancestry
40%inclusion2 decks5 decks
39%synergy
Vanquisher's Banner
40%inclusion2 decks5 decks
36%synergy
Herald's Horn
40%inclusion2 decks5 decks
34%synergy
Lashwrithe
20%inclusion1 decks5 decks
16%synergy
Skeleton Key
20%inclusion1 decks5 decks
19%synergy
The Immortal Sun
20%inclusion1 decks5 decks
19%synergy
Whip of Erebos
20%inclusion1 decks5 decks
9%synergy
Skullclamp
20%inclusion1 decks5 decks
-2%synergy
Hall of Triumph
20%inclusion1 decks5 decks
20%synergy
Prosthetic Injector
20%inclusion1 decks5 decks
20%synergy
Wishclaw Talisman
20%inclusion1 decks5 decks
13%synergy
Akroma's Memorial
20%inclusion1 decks5 decks
19%synergy
Door of Destinies
20%inclusion1 decks5 decks
18%synergy
Horn of the Mark
20%inclusion1 decks5 decks
20%synergy
Throne of the God-Pharaoh
20%inclusion1 decks5 decks
20%synergy
Enchantments
Tribute to Horobi
40%inclusion2 decks5 decks
39%synergy
Phyrexian Reclamation
20%inclusion1 decks5 decks
10%synergy
Vampiric Rites
20%inclusion1 decks5 decks
14%synergy
Haunted One
20%inclusion1 decks5 decks
18%synergy
Grave Pact
20%inclusion1 decks5 decks
1%synergy
Relic Putrescence
20%inclusion1 decks5 decks
20%synergy
Phyresis
20%inclusion1 decks5 decks
18%synergy
Underworld Dreams
20%inclusion1 decks5 decks
14%synergy
Bastion of Remembrance
20%inclusion1 decks5 decks
3%synergy
Fungal Fortitude
20%inclusion1 decks5 decks
19%synergy
Black Market Connections
20%inclusion1 decks5 decks
-5%synergy
Cover of Darkness
20%inclusion1 decks5 decks
17%synergy
Phyrexian Arena
20%inclusion1 decks5 decks
-19%synergy
Bad Moon
20%inclusion1 decks5 decks
17%synergy
Planeswalkers
Liliana of the Dark Realms
40%inclusion2 decks5 decks
26%synergy
Vraska, Betrayal's Sting
20%inclusion1 decks5 decks
17%synergy
Utility Lands
Bojuka Bog
60%inclusion3 decks5 decks
13%synergy
Cabal Stronghold
40%inclusion2 decks5 decks
6%synergy
Swarmyard
40%inclusion2 decks5 decks
34%synergy
Karn's Bastion
40%inclusion2 decks5 decks
36%synergy
Rogue's Passage
40%inclusion2 decks5 decks
21%synergy
Mortuary Mire
20%inclusion1 decks5 decks
7%synergy
Barren Moor
20%inclusion1 decks5 decks
11%synergy
Crypt of Agadeem
20%inclusion1 decks5 decks
8%synergy
Inkmoth Nexus
20%inclusion1 decks5 decks
19%synergy
Radiant Fountain
20%inclusion1 decks5 decks
18%synergy
Cabal Coffers
20%inclusion1 decks5 decks
-35%synergy
Minas Morgul, Dark Fortress
20%inclusion1 decks5 decks
17%synergy
Mudflat Village
20%inclusion1 decks5 decks
17%synergy
Temple of the False God
20%inclusion1 decks5 decks
12%synergy
Access Tunnel
20%inclusion1 decks5 decks
17%synergy
Mana Artifacts
Arcane Signet
80%inclusion4 decks5 decks
19%synergy
Sol Ring
80%inclusion4 decks5 decks
-5%synergy
Caged Sun
60%inclusion3 decks5 decks
50%synergy
Glistening Sphere
60%inclusion3 decks5 decks
59%synergy
Commander's Sphere
40%inclusion2 decks5 decks
32%synergy
Charcoal Diamond
40%inclusion2 decks5 decks
18%synergy
Pristine Talisman
40%inclusion2 decks5 decks
38%synergy
Heraldic Banner
40%inclusion2 decks5 decks
35%synergy
Phyrexian Atlas
40%inclusion2 decks5 decks
40%synergy
Mind Stone
40%inclusion2 decks5 decks
12%synergy
Lands
Swamp
100%inclusion5 decks5 decks
5%synergy
Command Tower
40%inclusion2 decks5 decks
34%synergy
Path of Ancestry
40%inclusion2 decks5 decks
35%synergy
Myriad Landscape
20%inclusion1 decks5 decks
-4%synergy
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