Karumonix, the Rat King (Commander) - Exhibition Proliferate

Karumonix, the Rat King
Rank #384
3decks
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
Mana Artifacts
Lands
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Nezumi Bladeblesser
100%inclusion3 decks3 decks
99%synergy
Blightbelly Rat
100%inclusion3 decks3 decks
96%synergy
Rat Colony
100%inclusion3 decks3 decks
94%synergy
Ogre Slumlord
67%inclusion2 decks3 decks
57%synergy
Crypt Rats
67%inclusion2 decks3 decks
62%synergy
Marrow-Gnawer
67%inclusion2 decks3 decks
63%synergy
Burglar Rat
67%inclusion2 decks3 decks
56%synergy
Mukotai Ambusher
67%inclusion2 decks3 decks
66%synergy
Pack Rat
67%inclusion2 decks3 decks
61%synergy
Ink-Eyes, Servant of Oni
67%inclusion2 decks3 decks
63%synergy
Engine Rat
67%inclusion2 decks3 decks
65%synergy
Piper of the Swarm
67%inclusion2 decks3 decks
60%synergy
Nezumi Prowler
67%inclusion2 decks3 decks
65%synergy
Pestilence Rats
67%inclusion2 decks3 decks
65%synergy
Typhoid Rats
67%inclusion2 decks3 decks
63%synergy
Ichor Rats
67%inclusion2 decks3 decks
64%synergy
Undercity Dire Rat
50%inclusion1 decks2 decks
48%synergy
Refurbished Familiar
33%inclusion1 decks3 decks
31%synergy
Barkform Harvester
33%inclusion1 decks3 decks
33%synergy
Bog Rats
33%inclusion1 decks3 decks
33%synergy
Rabid Rats
33%inclusion1 decks3 decks
33%synergy
Innocuous Rat
33%inclusion1 decks3 decks
32%synergy
Nezumi Graverobber
33%inclusion1 decks3 decks
32%synergy
Midnight Scavengers
33%inclusion1 decks3 decks
33%synergy
Wick's Patrol
33%inclusion1 decks3 decks
33%synergy
Ravenous Rats
33%inclusion1 decks3 decks
32%synergy
Thornplate Intimidator
33%inclusion1 decks3 decks
33%synergy
Roaming Throne
33%inclusion1 decks3 decks
30%synergy
Ayara, First of Locthwain
33%inclusion1 decks3 decks
8%synergy
Tangled Colony
33%inclusion1 decks3 decks
30%synergy
Daggerfang Duo
33%inclusion1 decks3 decks
33%synergy
Lord Skitter's Butcher
33%inclusion1 decks3 decks
30%synergy
Ghostly Changeling
33%inclusion1 decks3 decks
33%synergy
Skullsnatcher
33%inclusion1 decks3 decks
33%synergy
Throat Slitter
33%inclusion1 decks3 decks
31%synergy
Three Tree Mascot
33%inclusion1 decks3 decks
33%synergy
Razortooth Rats
33%inclusion1 decks3 decks
33%synergy
Persistent Marshstalker
33%inclusion1 decks3 decks
30%synergy
Graf Rats
33%inclusion1 decks3 decks
33%synergy
Chittering Skitterling
33%inclusion1 decks3 decks
32%synergy
Voracious Vermin
33%inclusion1 decks3 decks
30%synergy
Ashcoat of the Shadow Swarm
33%inclusion1 decks3 decks
30%synergy
Nezumi Cutthroat
33%inclusion1 decks3 decks
33%synergy
Changeling Outcast
33%inclusion1 decks3 decks
28%synergy
Warehouse Tabby
33%inclusion1 decks3 decks
33%synergy
Ratcatcher
33%inclusion1 decks3 decks
30%synergy
Muck Rats
33%inclusion1 decks3 decks
33%synergy
Sewer Rats
33%inclusion1 decks3 decks
33%synergy
Septic Rats
33%inclusion1 decks3 decks
31%synergy
Nashi, Moon Sage's Scion
33%inclusion1 decks3 decks
29%synergy
Instants
Whisper of the Dross
100%inclusion3 decks3 decks
97%synergy
Vraska's Fall
100%inclusion3 decks3 decks
97%synergy
Anoint with Affliction
67%inclusion2 decks3 decks
66%synergy
Grim Affliction
67%inclusion2 decks3 decks
65%synergy
Deadly Dispute
67%inclusion2 decks3 decks
41%synergy
Defile
67%inclusion2 decks3 decks
30%synergy
Dark Ritual
67%inclusion2 decks3 decks
0%synergy
Tainted Strike
67%inclusion2 decks3 decks
64%synergy
Offer Immortality
67%inclusion2 decks3 decks
65%synergy
Tragic Slip
67%inclusion2 decks3 decks
47%synergy
Alesha's Legacy
50%inclusion1 decks2 decks
49%synergy
Tragic Fall
33%inclusion1 decks3 decks
33%synergy
Bake into a Pie
33%inclusion1 decks3 decks
33%synergy
Go for the Throat
33%inclusion1 decks3 decks
10%synergy
Village Rites
33%inclusion1 decks3 decks
8%synergy
Rat Out
33%inclusion1 decks3 decks
32%synergy
Doom Blade
33%inclusion1 decks3 decks
26%synergy
Virulent Wound
33%inclusion1 decks3 decks
33%synergy
Disfigure
33%inclusion1 decks3 decks
33%synergy
Murder
33%inclusion1 decks3 decks
23%synergy
Stab
33%inclusion1 decks3 decks
32%synergy
Debt to the Kami
33%inclusion1 decks3 decks
33%synergy
Defenestrate
33%inclusion1 decks3 decks
33%synergy
Early Winter
33%inclusion1 decks3 decks
33%synergy
Sorceries
Infectious Inquiry
100%inclusion3 decks3 decks
97%synergy
Drown in Ichor
100%inclusion3 decks3 decks
96%synergy
Phyresis Outbreak
67%inclusion2 decks3 decks
65%synergy
Swarmyard Massacre
67%inclusion2 decks3 decks
64%synergy
Read the Bones
67%inclusion2 decks3 decks
50%synergy
Caress of Phyrexia
67%inclusion2 decks3 decks
66%synergy
Vat Emergence
33%inclusion1 decks3 decks
32%synergy
Victimize
33%inclusion1 decks3 decks
7%synergy
Duress
33%inclusion1 decks3 decks
27%synergy
Psychic Whorl
33%inclusion1 decks3 decks
33%synergy
Feed the Infection
33%inclusion1 decks3 decks
33%synergy
Unearth
33%inclusion1 decks3 decks
25%synergy
Feed the Swarm
33%inclusion1 decks3 decks
-17%synergy
Exsanguinate
33%inclusion1 decks3 decks
9%synergy
Reave Soul
33%inclusion1 decks3 decks
33%synergy
Atrocious Experiment
33%inclusion1 decks3 decks
32%synergy
Annihilating Glare
33%inclusion1 decks3 decks
32%synergy
Toxic Deluge
33%inclusion1 decks3 decks
-3%synergy
Consign to the Pit
33%inclusion1 decks3 decks
33%synergy
Pestilent Haze
33%inclusion1 decks3 decks
33%synergy
Dirge of Dread
33%inclusion1 decks3 decks
33%synergy
Geth's Summons
33%inclusion1 decks3 decks
33%synergy
Lab Rats
33%inclusion1 decks3 decks
33%synergy
Sign in Blood
33%inclusion1 decks3 decks
-2%synergy
Eaten Alive
33%inclusion1 decks3 decks
30%synergy
Incriminate
33%inclusion1 decks3 decks
33%synergy
Never Happened
33%inclusion1 decks3 decks
33%synergy
Wander in Death
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Vat of Rebirth
33%inclusion1 decks3 decks
30%synergy
Psychic Paper
33%inclusion1 decks3 decks
33%synergy
Wayfarer's Bauble
33%inclusion1 decks3 decks
18%synergy
Contagion Clasp
33%inclusion1 decks3 decks
31%synergy
Trailblazer's Boots
33%inclusion1 decks3 decks
31%synergy
Prosthetic Injector
33%inclusion1 decks3 decks
33%synergy
Bontu's Monument
33%inclusion1 decks3 decks
5%synergy
Whispersilk Cloak
33%inclusion1 decks3 decks
27%synergy
Silver Shroud Costume
33%inclusion1 decks3 decks
32%synergy
Jet Medallion
33%inclusion1 decks3 decks
-28%synergy
Herald's Horn
33%inclusion1 decks3 decks
28%synergy
Grafted Exoskeleton
33%inclusion1 decks3 decks
32%synergy
Enchantments
Glistening Oil
67%inclusion2 decks3 decks
66%synergy
Phyresis
67%inclusion2 decks3 decks
65%synergy
Necrogen Communion
67%inclusion2 decks3 decks
65%synergy
Clawing Torment
33%inclusion1 decks3 decks
33%synergy
Black Market
33%inclusion1 decks3 decks
12%synergy
Fear
33%inclusion1 decks3 decks
33%synergy
Necrosynthesis
33%inclusion1 decks3 decks
32%synergy
Haunted One
33%inclusion1 decks3 decks
31%synergy
Dauthi Embrace
33%inclusion1 decks3 decks
32%synergy
Withercrown
33%inclusion1 decks3 decks
33%synergy
Painful Quandary
33%inclusion1 decks3 decks
23%synergy
Demonic Embrace
33%inclusion1 decks3 decks
32%synergy
Lord Skitter's Blessing
33%inclusion1 decks3 decks
33%synergy
Cover of Darkness
33%inclusion1 decks3 decks
30%synergy
Phyrexian Arena
33%inclusion1 decks3 decks
-6%synergy
Bad Moon
33%inclusion1 decks3 decks
30%synergy
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion1 decks3 decks
31%synergy
Utility Lands
Swarmyard
100%inclusion3 decks3 decks
94%synergy
Bojuka Bog
67%inclusion2 decks3 decks
20%synergy
Cabal Stronghold
67%inclusion2 decks3 decks
32%synergy
Mudflat Village
67%inclusion2 decks3 decks
64%synergy
Vault of Whispers
33%inclusion1 decks3 decks
28%synergy
Inkmoth Nexus
33%inclusion1 decks3 decks
32%synergy
Cabal Coffers
33%inclusion1 decks3 decks
-22%synergy
Command Beacon
33%inclusion1 decks3 decks
25%synergy
Nykthos, Shrine to Nyx
33%inclusion1 decks3 decks
4%synergy
Peat Bog
33%inclusion1 decks3 decks
31%synergy
Takenuma, Abandoned Mire
33%inclusion1 decks3 decks
18%synergy
Reliquary Tower
33%inclusion1 decks3 decks
3%synergy
Three Tree City
33%inclusion1 decks3 decks
29%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
-4%synergy
Rogue's Passage
33%inclusion1 decks3 decks
14%synergy
Mana Artifacts
Glistening Sphere
67%inclusion2 decks3 decks
65%synergy
Patchwork Banner
67%inclusion2 decks3 decks
62%synergy
Sol Ring
67%inclusion2 decks3 decks
-19%synergy
Arcane Signet
33%inclusion1 decks3 decks
-28%synergy
Staff of Compleation
33%inclusion1 decks3 decks
32%synergy
Heraldic Banner
33%inclusion1 decks3 decks
28%synergy
Phyrexian Atlas
33%inclusion1 decks3 decks
33%synergy
Lands
Swamp
100%inclusion3 decks3 decks
5%synergy
Path of Ancestry
100%inclusion3 decks3 decks
95%synergy
Escape Tunnel
33%inclusion1 decks3 decks
32%synergy
Terramorphic Expanse
33%inclusion1 decks3 decks
31%synergy
Exotic Orchard
33%inclusion1 decks3 decks
32%synergy
Night Market
33%inclusion1 decks3 decks
33%synergy
Riveteers Overlook
33%inclusion1 decks3 decks
33%synergy
Ash Barrens
33%inclusion1 decks3 decks
32%synergy
Maestros Theater
33%inclusion1 decks3 decks
33%synergy
Evolving Wilds
33%inclusion1 decks3 decks
30%synergy
Shimmering Grotto
33%inclusion1 decks3 decks
33%synergy
Thriving Moor
33%inclusion1 decks3 decks
33%synergy
Uncharted Haven
33%inclusion1 decks3 decks
33%synergy
Obscura Storefront
33%inclusion1 decks3 decks
33%synergy
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