Karumonix, the Rat King (Commander) - Budget Relentless Rats

Karumonix, the Rat King
Rank #382
17decks
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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Typhoid Rats
94%inclusion16 decks17 decks
90%synergy
Relentless Rats
88%inclusion15 decks17 decks
86%synergy
Blightbelly Rat
76%inclusion13 decks17 decks
73%synergy
Burglar Rat
82%inclusion14 decks17 decks
71%synergy
Tangled Colony
65%inclusion11 decks17 decks
62%synergy
Lord Skitter's Butcher
65%inclusion11 decks17 decks
61%synergy
Persistent Marshstalker
64%inclusion9 decks14 decks
61%synergy
Crypt Rats
65%inclusion11 decks17 decks
60%synergy
Pack Rat
65%inclusion11 decks17 decks
59%synergy
Nezumi Cutthroat
59%inclusion10 decks17 decks
58%synergy
Top Cards
Ogre Slumlord
65%inclusion11 decks17 decks
55%synergy
Piper of the Swarm
65%inclusion11 decks17 decks
58%synergy
Lord Skitter, Sewer King
65%inclusion11 decks17 decks
56%synergy
Voracious Vermin
59%inclusion10 decks17 decks
56%synergy
Ruin Rat
59%inclusion10 decks17 decks
57%synergy
Necrogen Communion
59%inclusion10 decks17 decks
57%synergy
Vat Emergence
53%inclusion9 decks17 decks
52%synergy
Ravenous Rats
53%inclusion9 decks17 decks
51%synergy
Rat Out
53%inclusion9 decks17 decks
51%synergy
Nezumi Prowler
53%inclusion9 decks17 decks
52%synergy
Game Changers
Bolas's Citadel
12%inclusion2 decks17 decks
-17%synergy
Demonic Tutor
5.9%inclusion1 decks17 decks
-21%synergy
Creatures
Undercity Dire Rat
50%inclusion1 decks2 decks
48%synergy
Rat King, Pale Piper
50%inclusion1 decks2 decks
46%synergy
Nezumi Bladeblesser
47%inclusion8 decks17 decks
46%synergy
Drainpipe Vermin
47%inclusion8 decks17 decks
46%synergy
Rancid Rats
47%inclusion8 decks17 decks
45%synergy
Ichor Rats
47%inclusion8 decks17 decks
44%synergy
Mukotai Ambusher
41%inclusion7 decks17 decks
40%synergy
Chittering Skitterling
41%inclusion7 decks17 decks
40%synergy
Chittering Witch
41%inclusion7 decks17 decks
37%synergy
Twisted Sewer-Witch
41%inclusion7 decks17 decks
40%synergy
Wave of Rats
41%inclusion7 decks17 decks
39%synergy
Thornplate Intimidator
36%inclusion5 decks14 decks
35%synergy
Marrow-Gnawer
35%inclusion6 decks17 decks
32%synergy
Gnawing Vermin
35%inclusion6 decks17 decks
34%synergy
Septic Rats
35%inclusion6 decks17 decks
33%synergy
Gnat Miser
35%inclusion6 decks17 decks
32%synergy
Stronghold Rats
35%inclusion6 decks17 decks
32%synergy
Innocuous Rat
33%inclusion3 decks9 decks
32%synergy
Razortooth Rats
29%inclusion5 decks17 decks
29%synergy
Nezumi Informant
29%inclusion5 decks17 decks
23%synergy
Pestilence Rats
29%inclusion5 decks17 decks
27%synergy
Daggerfang Duo
29%inclusion4 decks14 decks
28%synergy
Bog Rats
24%inclusion4 decks17 decks
23%synergy
Nezumi Graverobber
24%inclusion4 decks17 decks
22%synergy
Gutter Skulk
24%inclusion4 decks17 decks
23%synergy
Rotting Rats
24%inclusion4 decks17 decks
20%synergy
Ruthless Radrat
24%inclusion4 decks17 decks
23%synergy
Scrib Nibblers
24%inclusion4 decks17 decks
23%synergy
Nezumi Linkbreaker
24%inclusion4 decks17 decks
22%synergy
Swarm of Rats
24%inclusion4 decks17 decks
21%synergy
Changeling Outcast
24%inclusion4 decks17 decks
18%synergy
Ratcatcher
24%inclusion4 decks17 decks
20%synergy
Sewer Rats
24%inclusion4 decks17 decks
23%synergy
Old Flitterfang
24%inclusion4 decks17 decks
22%synergy
Wick's Patrol
21%inclusion3 decks14 decks
21%synergy
Patron of the Nezumi
18%inclusion3 decks17 decks
17%synergy
Chittering Rats
18%inclusion3 decks17 decks
17%synergy
Ayara, First of Locthwain
18%inclusion3 decks17 decks
-8%synergy
Diseased Vermin
18%inclusion3 decks17 decks
17%synergy
Warehouse Tabby
18%inclusion3 decks17 decks
17%synergy
Nashi, Moon Sage's Scion
18%inclusion3 decks17 decks
14%synergy
Valley Rotcaller
14%inclusion2 decks14 decks
12%synergy
Solemn Simulacrum
12%inclusion2 decks17 decks
-10%synergy
Thriving Rats
12%inclusion2 decks17 decks
12%synergy
Rabid Rats
12%inclusion2 decks17 decks
12%synergy
Nezumi Ronin
12%inclusion2 decks17 decks
12%synergy
Midnight Scavengers
12%inclusion2 decks17 decks
12%synergy
Plague Myr
12%inclusion2 decks17 decks
11%synergy
Gray Merchant of Asphodel
12%inclusion2 decks17 decks
-39%synergy
Nezumi Shortfang
12%inclusion2 decks17 decks
11%synergy
Instants
Whisper of the Dross
41%inclusion7 decks17 decks
38%synergy
Vraska's Fall
41%inclusion7 decks17 decks
38%synergy
Village Rites
41%inclusion7 decks17 decks
16%synergy
Murder
35%inclusion6 decks17 decks
25%synergy
Raise the Draugr
29%inclusion5 decks17 decks
28%synergy
Feign Death
29%inclusion5 decks17 decks
21%synergy
Stab
29%inclusion2 decks7 decks
27%synergy
Anoint with Affliction
24%inclusion4 decks17 decks
23%synergy
Deadly Dispute
24%inclusion4 decks17 decks
-3%synergy
Defile
24%inclusion4 decks17 decks
-13%synergy
Dark Ritual
24%inclusion4 decks17 decks
-43%synergy
Foul-Tongue Shriek
24%inclusion4 decks17 decks
22%synergy
Corrupted Conviction
24%inclusion4 decks17 decks
11%synergy
Hero's Downfall
18%inclusion3 decks17 decks
11%synergy
Go for the Throat
18%inclusion3 decks17 decks
-5%synergy
Grisly Spectacle
18%inclusion3 decks17 decks
17%synergy
Death Denied
18%inclusion3 decks17 decks
17%synergy
Tainted Strike
18%inclusion3 decks17 decks
15%synergy
Gravepurge
18%inclusion3 decks17 decks
16%synergy
Crypt Incursion
18%inclusion3 decks17 decks
15%synergy
Corpse Churn
18%inclusion3 decks17 decks
17%synergy
Hazel's Nocturne
14%inclusion2 decks14 decks
14%synergy
Feed the Cycle
14%inclusion2 decks14 decks
14%synergy
Early Winter
13%inclusion2 decks15 decks
13%synergy
Eyes of the Beholder
12%inclusion2 decks17 decks
12%synergy
Demonic Gifts
12%inclusion2 decks17 decks
11%synergy
Not Dead After All
12%inclusion2 decks17 decks
0%synergy
Consuming Corruption
12%inclusion2 decks17 decks
-4%synergy
Bitter Triumph
12%inclusion2 decks17 decks
2%synergy
Undying Malice
12%inclusion2 decks17 decks
2%synergy
Infernal Grasp
12%inclusion2 decks17 decks
-13%synergy
Death Wind
12%inclusion2 decks17 decks
12%synergy
Fake Your Own Death
12%inclusion2 decks17 decks
5%synergy
Bladebrand
12%inclusion2 decks17 decks
11%synergy
Coat with Venom
12%inclusion2 decks17 decks
12%synergy
Necrobite
12%inclusion2 decks17 decks
12%synergy
Victim of Night
12%inclusion2 decks17 decks
10%synergy
Unmake the Graves
12%inclusion2 decks17 decks
12%synergy
Live or Die
11%inclusion1 decks9 decks
11%synergy
Withering Torment
10%inclusion1 decks10 decks
-21%synergy
Consumed by Greed
7.1%inclusion1 decks14 decks
6%synergy
Diabolic Edict
5.9%inclusion1 decks17 decks
5%synergy
Subtle Strike
5.9%inclusion1 decks17 decks
6%synergy
Undying Evil
5.9%inclusion1 decks17 decks
3%synergy
Grim Affliction
5.9%inclusion1 decks17 decks
4%synergy
Grasp of Darkness
5.9%inclusion1 decks17 decks
4%synergy
Lethal Exploit
5.9%inclusion1 decks17 decks
6%synergy
Supernatural Stamina
5.9%inclusion1 decks17 decks
-2%synergy
Altar's Reap
5.9%inclusion1 decks17 decks
3%synergy
Dash Hopes
5.9%inclusion1 decks17 decks
5%synergy
Sorceries
Sign in Blood
47%inclusion8 decks17 decks
12%synergy
Drown in Ichor
47%inclusion8 decks17 decks
43%synergy
Revenge of the Rats
43%inclusion3 decks7 decks
40%synergy
Fell
43%inclusion6 decks14 decks
39%synergy
Infectious Inquiry
41%inclusion7 decks17 decks
38%synergy
Forever Young
35%inclusion6 decks17 decks
34%synergy
Read the Bones
35%inclusion6 decks17 decks
19%synergy
Spread the Sickness
24%inclusion4 decks17 decks
23%synergy
Return from Extinction
24%inclusion4 decks17 decks
23%synergy
Gruesome Fate
24%inclusion4 decks17 decks
21%synergy
Diabolic Tutor
18%inclusion3 decks17 decks
3%synergy
Duress
18%inclusion3 decks17 decks
11%synergy
Feed the Infection
18%inclusion3 decks17 decks
17%synergy
Feed the Swarm
18%inclusion3 decks17 decks
-33%synergy
Caress of Phyrexia
18%inclusion3 decks17 decks
17%synergy
Disentomb
18%inclusion3 decks17 decks
17%synergy
Crippling Fear
18%inclusion3 decks17 decks
15%synergy
Coiling Rebirth
14%inclusion2 decks14 decks
13%synergy
Diresight
14%inclusion2 decks14 decks
11%synergy
Stargaze
14%inclusion2 decks14 decks
13%synergy
Morbid Plunder
12%inclusion2 decks17 decks
12%synergy
Victimize
12%inclusion2 decks17 decks
-15%synergy
Patriarch's Bidding
12%inclusion2 decks17 decks
8%synergy
Dead Reckoning
12%inclusion2 decks17 decks
12%synergy
Dread Return
12%inclusion2 decks17 decks
0%synergy
Mire's Toll
12%inclusion2 decks17 decks
11%synergy
Phyresis Outbreak
12%inclusion2 decks17 decks
10%synergy
Mutilate
12%inclusion2 decks17 decks
-5%synergy
Distress
12%inclusion2 decks17 decks
11%synergy
Consume Spirit
12%inclusion2 decks17 decks
10%synergy
In Garruk's Wake
12%inclusion2 decks17 decks
8%synergy
Hideous Visage
12%inclusion2 decks17 decks
12%synergy
Lab Rats
12%inclusion2 decks17 decks
11%synergy
Macabre Waltz
12%inclusion2 decks17 decks
10%synergy
Eaten Alive
12%inclusion2 decks17 decks
8%synergy
Recover
12%inclusion2 decks17 decks
11%synergy
Grave Strength
12%inclusion2 decks17 decks
12%synergy
Commune with Evil
11%inclusion1 decks9 decks
10%synergy
Final Vengeance
10%inclusion1 decks10 decks
8%synergy
Swarmyard Massacre
7.1%inclusion1 decks14 decks
5%synergy
Bone Splinters
5.9%inclusion1 decks17 decks
4%synergy
Dredge the Mire
5.9%inclusion1 decks17 decks
5%synergy
Tormented Thoughts
5.9%inclusion1 decks17 decks
6%synergy
Kaito's Pursuit
5.9%inclusion1 decks17 decks
6%synergy
Memory Leak
5.9%inclusion1 decks17 decks
6%synergy
Profane Tutor
5.9%inclusion1 decks17 decks
2%synergy
Nightmare Unmaking
5.9%inclusion1 decks17 decks
5%synergy
Check for Traps
5.9%inclusion1 decks17 decks
6%synergy
Remorseless Punishment
5.9%inclusion1 decks17 decks
6%synergy
Wrench Mind
5.9%inclusion1 decks17 decks
6%synergy
Utility Artifacts
Contagion Clasp
41%inclusion7 decks17 decks
39%synergy
Vat of Rebirth
29%inclusion5 decks17 decks
26%synergy
Icon of Ancestry
24%inclusion4 decks17 decks
23%synergy
Prosthetic Injector
24%inclusion4 decks17 decks
23%synergy
Jet Medallion
24%inclusion4 decks17 decks
-38%synergy
Reaper's Talisman
18%inclusion3 decks17 decks
17%synergy
Swiftfoot Boots
18%inclusion3 decks17 decks
-14%synergy
Contagion Engine
12%inclusion2 decks17 decks
10%synergy
Vorpal Sword
12%inclusion2 decks17 decks
8%synergy
Vanquisher's Banner
12%inclusion2 decks17 decks
8%synergy
Ribskiff
12%inclusion2 decks17 decks
12%synergy
Fleetfeather Sandals
12%inclusion2 decks17 decks
12%synergy
Herald's Horn
12%inclusion2 decks17 decks
6%synergy
Sinister Monolith
7.1%inclusion1 decks14 decks
6%synergy
Short Bow
7.1%inclusion1 decks14 decks
7%synergy
Executioner's Hood
5.9%inclusion1 decks17 decks
6%synergy
Tormod's Crypt
5.9%inclusion1 decks17 decks
5%synergy
Armillary Sphere
5.9%inclusion1 decks17 decks
5%synergy
Whip of Erebos
5.9%inclusion1 decks17 decks
-5%synergy
Brass Knuckles
5.9%inclusion1 decks17 decks
6%synergy
Nautiloid Ship
5.9%inclusion1 decks17 decks
6%synergy
Skullclamp
5.9%inclusion1 decks17 decks
-16%synergy
Pyre of Heroes
5.9%inclusion1 decks17 decks
6%synergy
Mirage Mirror
5.9%inclusion1 decks17 decks
5%synergy
Transmogrant's Crown
5.9%inclusion1 decks17 decks
5%synergy
Enormous Energy Blade
5.9%inclusion1 decks17 decks
6%synergy
Thieves' Tools
5.9%inclusion1 decks17 decks
4%synergy
Stoneforge Masterwork
5.9%inclusion1 decks17 decks
6%synergy
Jester's Cap
5.9%inclusion1 decks17 decks
6%synergy
Tithing Blade
5.9%inclusion1 decks17 decks
3%synergy
Cobbled Wings
5.9%inclusion1 decks17 decks
6%synergy
Recon Craft Theta
5.9%inclusion1 decks17 decks
6%synergy
Bontu's Monument
5.9%inclusion1 decks17 decks
-23%synergy
Maskwood Nexus
5.9%inclusion1 decks17 decks
5%synergy
Door of Destinies
5.9%inclusion1 decks17 decks
4%synergy
Hunter's Blowgun
5.9%inclusion1 decks17 decks
6%synergy
Soul Conduit
5.9%inclusion1 decks17 decks
5%synergy
Winter Moon
5.9%inclusion1 decks17 decks
4%synergy
Sigil of Valor
5.9%inclusion1 decks17 decks
6%synergy
Ominous Parcel
5.9%inclusion1 decks17 decks
6%synergy
Staff of the Death Magus
5.9%inclusion1 decks17 decks
2%synergy
Lightning Greaves
5.9%inclusion1 decks17 decks
-28%synergy
Drossclaw
5.9%inclusion1 decks17 decks
6%synergy
Puppet Strings
5.9%inclusion1 decks17 decks
5%synergy
Grafted Exoskeleton
5.9%inclusion1 decks17 decks
5%synergy
Basilisk Collar
5.9%inclusion1 decks17 decks
3%synergy
Enchantments
Phyresis
47%inclusion8 decks17 decks
45%synergy
Tribute to Horobi
29%inclusion5 decks17 decks
28%synergy
Vampiric Rites
24%inclusion4 decks17 decks
17%synergy
Lord Skitter's Blessing
18%inclusion3 decks17 decks
17%synergy
Phyrexian Arena
18%inclusion3 decks17 decks
-22%synergy
Clawing Torment
12%inclusion2 decks17 decks
11%synergy
Greed
12%inclusion2 decks17 decks
5%synergy
Braids's Frightful Return
12%inclusion2 decks17 decks
11%synergy
Pooling Venom
12%inclusion2 decks17 decks
12%synergy
Aspect of Gorgon
12%inclusion2 decks17 decks
12%synergy
Debilitating Injury
12%inclusion2 decks17 decks
12%synergy
Relic Putrescence
12%inclusion2 decks17 decks
12%synergy
Intimidation
12%inclusion2 decks17 decks
11%synergy
Brink of Disaster
12%inclusion2 decks17 decks
12%synergy
Kaya's Ghostform
12%inclusion2 decks17 decks
2%synergy
Crippling Blight
12%inclusion2 decks17 decks
12%synergy
Grave Peril
12%inclusion2 decks17 decks
12%synergy
Bad Moon
12%inclusion2 decks17 decks
8%synergy
Demonic Vigor
5.9%inclusion1 decks17 decks
5%synergy
Life of Toshiro Umezawa
5.9%inclusion1 decks17 decks
6%synergy
Dark Tutelage
5.9%inclusion1 decks17 decks
5%synergy
Twisted Embrace
5.9%inclusion1 decks17 decks
6%synergy
Torture
5.9%inclusion1 decks17 decks
6%synergy
Quest for the Necropolis
5.9%inclusion1 decks17 decks
5%synergy
Okiba Reckoner Raid
5.9%inclusion1 decks17 decks
6%synergy
Hopeless Nightmare
5.9%inclusion1 decks17 decks
2%synergy
Glistening Oil
5.9%inclusion1 decks17 decks
5%synergy
Haunted One
5.9%inclusion1 decks17 decks
3%synergy
Minion's Return
5.9%inclusion1 decks17 decks
5%synergy
Grave Pact
5.9%inclusion1 decks17 decks
-14%synergy
Aspect of Lamprey
5.9%inclusion1 decks17 decks
6%synergy
The Long Reach of Night
5.9%inclusion1 decks17 decks
5%synergy
Eternal Thirst
5.9%inclusion1 decks17 decks
4%synergy
Feast of Sanity
5.9%inclusion1 decks17 decks
5%synergy
Mark of the Vampire
5.9%inclusion1 decks17 decks
6%synergy
Rune of Mortality
5.9%inclusion1 decks17 decks
6%synergy
Spiteful Shadows
5.9%inclusion1 decks17 decks
6%synergy
Withercrown
5.9%inclusion1 decks17 decks
6%synergy
Gift of Compleation
5.9%inclusion1 decks17 decks
6%synergy
Cover of Darkness
5.9%inclusion1 decks17 decks
3%synergy
Unhallowed Pact
5.9%inclusion1 decks17 decks
6%synergy
Inevitable End
5.9%inclusion1 decks17 decks
6%synergy
Hissing Miasma
5.9%inclusion1 decks17 decks
6%synergy
Haunted Crossroads
5.9%inclusion1 decks17 decks
5%synergy
Paralyze
5.9%inclusion1 decks17 decks
6%synergy
Oversold Cemetery
5.9%inclusion1 decks17 decks
1%synergy
Dark Prophecy
5.9%inclusion1 decks17 decks
2%synergy
Planeswalkers
Vraska, Betrayal's Sting
12%inclusion2 decks17 decks
9%synergy
Liliana of the Dark Realms
5.9%inclusion1 decks17 decks
-8%synergy
Utility Lands
Mudflat Village
33%inclusion5 decks15 decks
31%synergy
Mortuary Mire
29%inclusion5 decks17 decks
16%synergy
Witch's Cottage
24%inclusion4 decks17 decks
-1%synergy
Karn's Bastion
24%inclusion4 decks17 decks
20%synergy
Rogue's Passage
24%inclusion4 decks17 decks
4%synergy
Haunted Fengraf
18%inclusion3 decks17 decks
17%synergy
Bojuka Bog
12%inclusion2 decks17 decks
-35%synergy
Memorial to Folly
12%inclusion2 decks17 decks
9%synergy
The Dross Pits
12%inclusion2 decks17 decks
10%synergy
Hidden Necropolis
12%inclusion2 decks17 decks
10%synergy
Phyrexian Tower
5.9%inclusion1 decks17 decks
-20%synergy
Barren Moor
5.9%inclusion1 decks17 decks
-4%synergy
War Room
5.9%inclusion1 decks17 decks
-10%synergy
Cabal Coffers
5.9%inclusion1 decks17 decks
-49%synergy
Minas Morgul, Dark Fortress
5.9%inclusion1 decks17 decks
3%synergy
Reliquary Tower
5.9%inclusion1 decks17 decks
-24%synergy
Drannith Ruins
5.9%inclusion1 decks17 decks
6%synergy
Mana Artifacts
Sol Ring
59%inclusion10 decks17 decks
-27%synergy
Heraldic Banner
47%inclusion8 decks17 decks
42%synergy
Arcane Signet
35%inclusion6 decks17 decks
-26%synergy
Charcoal Diamond
35%inclusion6 decks17 decks
13%synergy
Mind Stone
35%inclusion6 decks17 decks
7%synergy
Phyrexian Atlas
29%inclusion5 decks17 decks
29%synergy
Thought Vessel
18%inclusion3 decks17 decks
-8%synergy
Patchwork Banner
14%inclusion2 decks14 decks
10%synergy
Caged Sun
12%inclusion2 decks17 decks
1%synergy
Commander's Sphere
12%inclusion2 decks17 decks
3%synergy
Gilded Lotus
12%inclusion2 decks17 decks
7%synergy
Fellwar Stone
5.9%inclusion1 decks17 decks
-8%synergy
Stonespeaker Crystal
5.9%inclusion1 decks17 decks
5%synergy
Mimic
5.9%inclusion1 decks17 decks
6%synergy
Manalith
5.9%inclusion1 decks17 decks
6%synergy
Prismatic Lens
5.9%inclusion1 decks17 decks
4%synergy
Lands
Swamp
100%inclusion17 decks17 decks
5%synergy
Command Bridge
50%inclusion1 decks2 decks
50%synergy
Daily Bugle Building
50%inclusion1 decks2 decks
49%synergy
Vibrant Cityscape
50%inclusion1 decks2 decks
49%synergy
Big Apple, 3 a.m.
50%inclusion1 decks2 decks
48%synergy
Path of Ancestry
29%inclusion5 decks17 decks
24%synergy
Terramorphic Expanse
18%inclusion3 decks17 decks
15%synergy
Myriad Landscape
18%inclusion3 decks17 decks
-8%synergy
Evolving Wilds
18%inclusion3 decks17 decks
14%synergy
Command Tower
12%inclusion2 decks17 decks
6%synergy
Riveteers Overlook
12%inclusion2 decks17 decks
11%synergy
Crumbling Vestige
5.9%inclusion1 decks17 decks
6%synergy
Mirrex
5.9%inclusion1 decks17 decks
5%synergy
Shire Terrace
5.9%inclusion1 decks17 decks
6%synergy
Maestros Theater
5.9%inclusion1 decks17 decks
5%synergy
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