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

Karumonix, the Rat King
Rank #383
2decks
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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Utility Lands
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Ancient Tomb
50%inclusion1 decks2 decks
38%synergy
The One Ring
50%inclusion1 decks2 decks
41%synergy
Demonic Tutor
50%inclusion1 decks2 decks
23%synergy
Creatures
Ogre Slumlord
100%inclusion2 decks2 decks
90%synergy
Rotting Rats
100%inclusion2 decks2 decks
97%synergy
Marrow-Gnawer
100%inclusion2 decks2 decks
97%synergy
Burglar Rat
100%inclusion2 decks2 decks
89%synergy
Tangled Colony
100%inclusion2 decks2 decks
97%synergy
Lord Skitter's Butcher
100%inclusion2 decks2 decks
97%synergy
Pack Rat
100%inclusion2 decks2 decks
94%synergy
Persistent Marshstalker
100%inclusion2 decks2 decks
97%synergy
Engine Rat
100%inclusion1 decks1 decks
98%synergy
Voracious Vermin
100%inclusion2 decks2 decks
97%synergy
Ashcoat of the Shadow Swarm
100%inclusion2 decks2 decks
97%synergy
Piper of the Swarm
100%inclusion2 decks2 decks
93%synergy
Nezumi Informant
100%inclusion2 decks2 decks
93%synergy
Blightbelly Rat
100%inclusion2 decks2 decks
96%synergy
Stronghold Rats
100%inclusion2 decks2 decks
96%synergy
Lord Skitter, Sewer King
100%inclusion2 decks2 decks
92%synergy
Ichor Rats
100%inclusion2 decks2 decks
97%synergy
Old Flitterfang
100%inclusion2 decks2 decks
99%synergy
Refurbished Familiar
50%inclusion1 decks2 decks
48%synergy
Nezumi Graverobber
50%inclusion1 decks2 decks
49%synergy
Metallic Mimic
50%inclusion1 decks2 decks
49%synergy
Roaming Throne
50%inclusion1 decks2 decks
47%synergy
Nezumi Shortfang
50%inclusion1 decks2 decks
49%synergy
Insatiable Frugivore
50%inclusion1 decks2 decks
50%synergy
Throat Slitter
50%inclusion1 decks2 decks
48%synergy
Ink-Eyes, Servant of Oni
50%inclusion1 decks2 decks
47%synergy
Swarm of Rats
50%inclusion1 decks2 decks
47%synergy
Chittering Witch
50%inclusion1 decks2 decks
46%synergy
Yawgmoth, Thran Physician
50%inclusion1 decks2 decks
40%synergy
Nezumi Prowler
50%inclusion1 decks2 decks
49%synergy
Pestilence Rats
50%inclusion1 decks2 decks
48%synergy
Septic Rats
50%inclusion1 decks2 decks
48%synergy
Wave of Rats
50%inclusion1 decks2 decks
48%synergy
Nashi, Moon Sage's Scion
50%inclusion1 decks2 decks
46%synergy
Typhoid Rats
50%inclusion1 decks2 decks
46%synergy
Rancid Rats
50%inclusion1 decks2 decks
48%synergy
Rat Colony
50%inclusion1 decks2 decks
44%synergy
Okiba-Gang Shinobi
50%inclusion1 decks2 decks
49%synergy
Instants
Deadly Rollick
100%inclusion2 decks2 decks
76%synergy
Fell the Profane
100%inclusion2 decks2 decks
81%synergy
Vraska's Fall
100%inclusion2 decks2 decks
97%synergy
Hero's Downfall
50%inclusion1 decks2 decks
43%synergy
Sheoldred's Edict
50%inclusion1 decks2 decks
35%synergy
Imp's Mischief
50%inclusion1 decks2 decks
25%synergy
Grim Affliction
50%inclusion1 decks2 decks
48%synergy
Dark Ritual
50%inclusion1 decks2 decks
-17%synergy
Doom Blade
50%inclusion1 decks2 decks
43%synergy
Murder
50%inclusion1 decks2 decks
40%synergy
Sorceries
Phyresis Outbreak
100%inclusion2 decks2 decks
98%synergy
Swarmyard Massacre
100%inclusion2 decks2 decks
98%synergy
Infectious Inquiry
100%inclusion2 decks2 decks
97%synergy
Reanimate
100%inclusion2 decks2 decks
60%synergy
Drown in Ichor
100%inclusion2 decks2 decks
96%synergy
Bloodline Bidding
100%inclusion1 decks1 decks
96%synergy
Diabolic Intent
50%inclusion1 decks2 decks
35%synergy
Vat Emergence
50%inclusion1 decks2 decks
49%synergy
Spread the Sickness
50%inclusion1 decks2 decks
49%synergy
Profane Tutor
50%inclusion1 decks2 decks
46%synergy
Agadeem's Awakening
50%inclusion1 decks2 decks
43%synergy
Feed the Swarm
50%inclusion1 decks2 decks
0%synergy
Caress of Phyrexia
50%inclusion1 decks2 decks
49%synergy
Kindred Dominance
50%inclusion1 decks2 decks
45%synergy
Damnation
50%inclusion1 decks2 decks
30%synergy
Utility Artifacts
Contagion Engine
100%inclusion2 decks2 decks
98%synergy
Skullclamp
100%inclusion2 decks2 decks
78%synergy
Bontu's Monument
100%inclusion2 decks2 decks
72%synergy
Chronicle of Victory
100%inclusion1 decks1 decks
97%synergy
Whip of Erebos
50%inclusion1 decks2 decks
39%synergy
Sword of Truth and Justice
50%inclusion1 decks2 decks
49%synergy
Recon Craft Theta
50%inclusion1 decks2 decks
50%synergy
Door of Destinies
50%inclusion1 decks2 decks
48%synergy
Jet Medallion
50%inclusion1 decks2 decks
-12%synergy
Herald's Horn
50%inclusion1 decks2 decks
44%synergy
Altar of the Brood
50%inclusion1 decks2 decks
48%synergy
Eldrazi Monument
50%inclusion1 decks2 decks
48%synergy
Thornbite Staff
50%inclusion1 decks2 decks
47%synergy
Lifeline
50%inclusion1 decks2 decks
50%synergy
Enchantments
Phyrexian Reclamation
100%inclusion2 decks2 decks
90%synergy
Grave Pact
100%inclusion2 decks2 decks
80%synergy
Contamination
50%inclusion1 decks2 decks
47%synergy
Haunted One
50%inclusion1 decks2 decks
47%synergy
Tribute to Horobi
50%inclusion1 decks2 decks
49%synergy
Intimidation
50%inclusion1 decks2 decks
49%synergy
Gate to Phyrexia
50%inclusion1 decks2 decks
49%synergy
Bandit's Talent
50%inclusion1 decks2 decks
45%synergy
Cover of Darkness
50%inclusion1 decks2 decks
47%synergy
Oversold Cemetery
50%inclusion1 decks2 decks
45%synergy
Planeswalkers
Vraska, Betrayal's Sting
100%inclusion2 decks2 decks
97%synergy
Davriel, Rogue Shadowmage
50%inclusion1 decks2 decks
49%synergy
Utility Lands
Bojuka Bog
100%inclusion2 decks2 decks
53%synergy
Swarmyard
100%inclusion2 decks2 decks
94%synergy
Cabal Coffers
100%inclusion2 decks2 decks
45%synergy
Karn's Bastion
100%inclusion2 decks2 decks
96%synergy
Secret Tunnel
100%inclusion1 decks1 decks
99%synergy
Shizo, Death's Storehouse
50%inclusion1 decks2 decks
40%synergy
Phyrexian Tower
50%inclusion1 decks2 decks
25%synergy
Mortuary Mire
50%inclusion1 decks2 decks
37%synergy
Volrath's Stronghold
50%inclusion1 decks2 decks
46%synergy
Nykthos, Shrine to Nyx
50%inclusion1 decks2 decks
20%synergy
Takenuma, Abandoned Mire
50%inclusion1 decks2 decks
34%synergy
Reliquary Tower
50%inclusion1 decks2 decks
20%synergy
Strip Mine
50%inclusion1 decks2 decks
47%synergy
Three Tree City
50%inclusion1 decks2 decks
45%synergy
Urborg, Tomb of Yawgmoth
50%inclusion1 decks2 decks
12%synergy
Everglades
50%inclusion1 decks2 decks
49%synergy
Mana Artifacts
Staff of Compleation
100%inclusion2 decks2 decks
98%synergy
Glistening Sphere
100%inclusion2 decks2 decks
99%synergy
Sol Ring
100%inclusion2 decks2 decks
14%synergy
The Soul Stone
100%inclusion1 decks1 decks
85%synergy
Commander's Sphere
50%inclusion1 decks2 decks
42%synergy
Arcane Signet
50%inclusion1 decks2 decks
-12%synergy
Throne of Eldraine
50%inclusion1 decks2 decks
40%synergy
Liquimetal Torque
50%inclusion1 decks2 decks
47%synergy
Lands
Fell the Profane
100%inclusion2 decks2 decks
81%synergy
Swamp
100%inclusion2 decks2 decks
5%synergy
Command Tower
50%inclusion1 decks2 decks
44%synergy
Agadeem's Awakening
50%inclusion1 decks2 decks
43%synergy
Cavern of Souls
50%inclusion1 decks2 decks
43%synergy
Path of Ancestry
50%inclusion1 decks2 decks
45%synergy
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