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

Karumonix, the Rat King
Rank #395
15decks
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Typhoid Rats
93%inclusion14 decks15 decks
90%synergy
Relentless Rats
87%inclusion13 decks15 decks
85%synergy
Blightbelly Rat
80%inclusion12 decks15 decks
77%synergy
Tangled Colony
73%inclusion11 decks15 decks
70%synergy
Burglar Rat
80%inclusion12 decks15 decks
69%synergy
Ruin Rat
67%inclusion10 decks15 decks
65%synergy
Necrogen Communion
67%inclusion10 decks15 decks
65%synergy
Voracious Vermin
67%inclusion10 decks15 decks
64%synergy
Lord Skitter's Butcher
67%inclusion10 decks15 decks
63%synergy
Crypt Rats
67%inclusion10 decks15 decks
62%synergy
Top Cards
Ogre Slumlord
67%inclusion10 decks15 decks
57%synergy
Piper of the Swarm
67%inclusion10 decks15 decks
60%synergy
Lord Skitter, Sewer King
67%inclusion10 decks15 decks
58%synergy
Persistent Marshstalker
62%inclusion8 decks13 decks
59%synergy
Vat Emergence
60%inclusion9 decks15 decks
59%synergy
Pack Rat
60%inclusion9 decks15 decks
54%synergy
Rat Out
53%inclusion8 decks15 decks
52%synergy
Nezumi Cutthroat
53%inclusion8 decks15 decks
53%synergy
Nezumi Prowler
53%inclusion8 decks15 decks
52%synergy
Sign in Blood
53%inclusion8 decks15 decks
18%synergy
Game Changers
Bolas's Citadel
13%inclusion2 decks15 decks
-15%synergy
Demonic Tutor
6.7%inclusion1 decks15 decks
-21%synergy
Creatures
Ichor Rats
53%inclusion8 decks15 decks
50%synergy
Undercity Dire Rat
50%inclusion1 decks2 decks
48%synergy
Rat King, Pale Piper
50%inclusion1 decks2 decks
46%synergy
Ravenous Rats
47%inclusion7 decks15 decks
45%synergy
Chittering Skitterling
47%inclusion7 decks15 decks
46%synergy
Drainpipe Vermin
47%inclusion7 decks15 decks
45%synergy
Rancid Rats
47%inclusion7 decks15 decks
44%synergy
Nezumi Bladeblesser
40%inclusion6 decks15 decks
39%synergy
Chittering Witch
40%inclusion6 decks15 decks
36%synergy
Twisted Sewer-Witch
40%inclusion6 decks15 decks
39%synergy
Wave of Rats
40%inclusion6 decks15 decks
38%synergy
Stronghold Rats
40%inclusion6 decks15 decks
36%synergy
Innocuous Rat
33%inclusion3 decks9 decks
32%synergy
Marrow-Gnawer
33%inclusion5 decks15 decks
30%synergy
Gnawing Vermin
33%inclusion5 decks15 decks
32%synergy
Mukotai Ambusher
33%inclusion5 decks15 decks
33%synergy
Septic Rats
33%inclusion5 decks15 decks
31%synergy
Gnat Miser
33%inclusion5 decks15 decks
31%synergy
Thornplate Intimidator
31%inclusion4 decks13 decks
30%synergy
Daggerfang Duo
31%inclusion4 decks13 decks
30%synergy
Nezumi Graverobber
27%inclusion4 decks15 decks
25%synergy
Changeling Outcast
27%inclusion4 decks15 decks
22%synergy
Nezumi Informant
27%inclusion4 decks15 decks
20%synergy
Ratcatcher
27%inclusion4 decks15 decks
23%synergy
Pestilence Rats
27%inclusion4 decks15 decks
25%synergy
Sewer Rats
27%inclusion4 decks15 decks
26%synergy
Old Flitterfang
27%inclusion4 decks15 decks
25%synergy
Wick's Patrol
23%inclusion3 decks13 decks
23%synergy
Chittering Rats
20%inclusion3 decks15 decks
19%synergy
Gutter Skulk
20%inclusion3 decks15 decks
20%synergy
Rotting Rats
20%inclusion3 decks15 decks
17%synergy
Ruthless Radrat
20%inclusion3 decks15 decks
19%synergy
Ayara, First of Locthwain
20%inclusion3 decks15 decks
-6%synergy
Scrib Nibblers
20%inclusion3 decks15 decks
19%synergy
Nezumi Linkbreaker
20%inclusion3 decks15 decks
19%synergy
Razortooth Rats
20%inclusion3 decks15 decks
19%synergy
Swarm of Rats
20%inclusion3 decks15 decks
18%synergy
Nashi, Moon Sage's Scion
20%inclusion3 decks15 decks
16%synergy
Bog Rats
13%inclusion2 decks15 decks
13%synergy
Patron of the Nezumi
13%inclusion2 decks15 decks
13%synergy
Thriving Rats
13%inclusion2 decks15 decks
13%synergy
Rabid Rats
13%inclusion2 decks15 decks
13%synergy
Nezumi Ronin
13%inclusion2 decks15 decks
13%synergy
Plague Myr
13%inclusion2 decks15 decks
12%synergy
Gray Merchant of Asphodel
13%inclusion2 decks15 decks
-38%synergy
Nezumi Shortfang
13%inclusion2 decks15 decks
13%synergy
Diseased Vermin
13%inclusion2 decks15 decks
13%synergy
Bloodline Pretender
13%inclusion2 decks15 decks
13%synergy
Sinuous Vermin
13%inclusion2 decks15 decks
13%synergy
Dirty Wererat
13%inclusion2 decks15 decks
13%synergy
Instants
Vraska's Fall
47%inclusion7 decks15 decks
43%synergy
Village Rites
47%inclusion7 decks15 decks
21%synergy
Whisper of the Dross
40%inclusion6 decks15 decks
37%synergy
Murder
40%inclusion6 decks15 decks
30%synergy
Raise the Draugr
33%inclusion5 decks15 decks
32%synergy
Feign Death
33%inclusion5 decks15 decks
25%synergy
Stab
29%inclusion2 decks7 decks
27%synergy
Anoint with Affliction
27%inclusion4 decks15 decks
26%synergy
Deadly Dispute
27%inclusion4 decks15 decks
0%synergy
Defile
27%inclusion4 decks15 decks
-9%synergy
Dark Ritual
27%inclusion4 decks15 decks
-40%synergy
Foul-Tongue Shriek
27%inclusion4 decks15 decks
25%synergy
Corrupted Conviction
27%inclusion4 decks15 decks
14%synergy
Hero's Downfall
20%inclusion3 decks15 decks
13%synergy
Go for the Throat
20%inclusion3 decks15 decks
-3%synergy
Grisly Spectacle
20%inclusion3 decks15 decks
19%synergy
Death Denied
20%inclusion3 decks15 decks
19%synergy
Gravepurge
20%inclusion3 decks15 decks
18%synergy
Crypt Incursion
20%inclusion3 decks15 decks
18%synergy
Corpse Churn
20%inclusion3 decks15 decks
19%synergy
Hazel's Nocturne
15%inclusion2 decks13 decks
15%synergy
Feed the Cycle
15%inclusion2 decks13 decks
15%synergy
Early Winter
14%inclusion2 decks14 decks
14%synergy
Eyes of the Beholder
13%inclusion2 decks15 decks
13%synergy
Demonic Gifts
13%inclusion2 decks15 decks
12%synergy
Not Dead After All
13%inclusion2 decks15 decks
2%synergy
Consuming Corruption
13%inclusion2 decks15 decks
-2%synergy
Bitter Triumph
13%inclusion2 decks15 decks
4%synergy
Undying Malice
13%inclusion2 decks15 decks
3%synergy
Infernal Grasp
13%inclusion2 decks15 decks
-12%synergy
Tainted Strike
13%inclusion2 decks15 decks
10%synergy
Death Wind
13%inclusion2 decks15 decks
13%synergy
Fake Your Own Death
13%inclusion2 decks15 decks
6%synergy
Bladebrand
13%inclusion2 decks15 decks
12%synergy
Coat with Venom
13%inclusion2 decks15 decks
13%synergy
Necrobite
13%inclusion2 decks15 decks
13%synergy
Victim of Night
13%inclusion2 decks15 decks
12%synergy
Unmake the Graves
13%inclusion2 decks15 decks
13%synergy
Live or Die
11%inclusion1 decks9 decks
11%synergy
Withering Torment
10%inclusion1 decks10 decks
-21%synergy
Diabolic Edict
6.7%inclusion1 decks15 decks
5%synergy
Grim Affliction
6.7%inclusion1 decks15 decks
5%synergy
Grasp of Darkness
6.7%inclusion1 decks15 decks
5%synergy
Lethal Exploit
6.7%inclusion1 decks15 decks
7%synergy
Supernatural Stamina
6.7%inclusion1 decks15 decks
-1%synergy
Altar's Reap
6.7%inclusion1 decks15 decks
4%synergy
Dash Hopes
6.7%inclusion1 decks15 decks
6%synergy
Disfigure
6.7%inclusion1 decks15 decks
6%synergy
Eviscerator's Insight
6.7%inclusion1 decks15 decks
4%synergy
Blood Curdle
6.7%inclusion1 decks15 decks
6%synergy
Sorceries
Infectious Inquiry
47%inclusion7 decks15 decks
44%synergy
Drown in Ichor
47%inclusion7 decks15 decks
43%synergy
Revenge of the Rats
43%inclusion3 decks7 decks
40%synergy
Forever Young
40%inclusion6 decks15 decks
39%synergy
Read the Bones
40%inclusion6 decks15 decks
23%synergy
Fell
38%inclusion5 decks13 decks
35%synergy
Spread the Sickness
27%inclusion4 decks15 decks
26%synergy
Gruesome Fate
27%inclusion4 decks15 decks
25%synergy
Diabolic Tutor
20%inclusion3 decks15 decks
6%synergy
Duress
20%inclusion3 decks15 decks
14%synergy
Return from Extinction
20%inclusion3 decks15 decks
19%synergy
Feed the Infection
20%inclusion3 decks15 decks
19%synergy
Feed the Swarm
20%inclusion3 decks15 decks
-30%synergy
Caress of Phyrexia
20%inclusion3 decks15 decks
19%synergy
Disentomb
20%inclusion3 decks15 decks
19%synergy
Crippling Fear
20%inclusion3 decks15 decks
17%synergy
Coiling Rebirth
15%inclusion2 decks13 decks
14%synergy
Diresight
15%inclusion2 decks13 decks
12%synergy
Stargaze
15%inclusion2 decks13 decks
14%synergy
Morbid Plunder
13%inclusion2 decks15 decks
13%synergy
Victimize
13%inclusion2 decks15 decks
-14%synergy
Patriarch's Bidding
13%inclusion2 decks15 decks
9%synergy
Dead Reckoning
13%inclusion2 decks15 decks
13%synergy
Dread Return
13%inclusion2 decks15 decks
1%synergy
Mire's Toll
13%inclusion2 decks15 decks
13%synergy
Phyresis Outbreak
13%inclusion2 decks15 decks
12%synergy
Mutilate
13%inclusion2 decks15 decks
-3%synergy
Distress
13%inclusion2 decks15 decks
13%synergy
Consume Spirit
13%inclusion2 decks15 decks
12%synergy
In Garruk's Wake
13%inclusion2 decks15 decks
9%synergy
Hideous Visage
13%inclusion2 decks15 decks
13%synergy
Lab Rats
13%inclusion2 decks15 decks
13%synergy
Macabre Waltz
13%inclusion2 decks15 decks
12%synergy
Eaten Alive
13%inclusion2 decks15 decks
10%synergy
Recover
13%inclusion2 decks15 decks
13%synergy
Grave Strength
13%inclusion2 decks15 decks
13%synergy
Commune with Evil
11%inclusion1 decks9 decks
10%synergy
Final Vengeance
10%inclusion1 decks10 decks
8%synergy
Swarmyard Massacre
7.7%inclusion1 decks13 decks
5%synergy
Bone Splinters
6.7%inclusion1 decks15 decks
5%synergy
Tormented Thoughts
6.7%inclusion1 decks15 decks
7%synergy
Kaito's Pursuit
6.7%inclusion1 decks15 decks
7%synergy
Memory Leak
6.7%inclusion1 decks15 decks
7%synergy
Profane Tutor
6.7%inclusion1 decks15 decks
2%synergy
Nightmare Unmaking
6.7%inclusion1 decks15 decks
6%synergy
Check for Traps
6.7%inclusion1 decks15 decks
7%synergy
Wrench Mind
6.7%inclusion1 decks15 decks
6%synergy
Predators' Hour
6.7%inclusion1 decks15 decks
5%synergy
Unearth
6.7%inclusion1 decks15 decks
-2%synergy
Appetite for Brains
6.7%inclusion1 decks15 decks
7%synergy
Utility Artifacts
Contagion Clasp
47%inclusion7 decks15 decks
44%synergy
Vat of Rebirth
33%inclusion5 decks15 decks
30%synergy
Icon of Ancestry
27%inclusion4 decks15 decks
26%synergy
Prosthetic Injector
27%inclusion4 decks15 decks
26%synergy
Jet Medallion
20%inclusion3 decks15 decks
-42%synergy
Swiftfoot Boots
20%inclusion3 decks15 decks
-11%synergy
Contagion Engine
13%inclusion2 decks15 decks
12%synergy
Vorpal Sword
13%inclusion2 decks15 decks
10%synergy
Vanquisher's Banner
13%inclusion2 decks15 decks
9%synergy
Fleetfeather Sandals
13%inclusion2 decks15 decks
13%synergy
Reaper's Talisman
13%inclusion2 decks15 decks
13%synergy
Herald's Horn
13%inclusion2 decks15 decks
8%synergy
Sinister Monolith
7.7%inclusion1 decks13 decks
7%synergy
Short Bow
7.7%inclusion1 decks13 decks
8%synergy
Armillary Sphere
6.7%inclusion1 decks15 decks
6%synergy
Whip of Erebos
6.7%inclusion1 decks15 decks
-4%synergy
Skullclamp
6.7%inclusion1 decks15 decks
-16%synergy
Pyre of Heroes
6.7%inclusion1 decks15 decks
6%synergy
Mirage Mirror
6.7%inclusion1 decks15 decks
6%synergy
Thieves' Tools
6.7%inclusion1 decks15 decks
5%synergy
Stoneforge Masterwork
6.7%inclusion1 decks15 decks
6%synergy
Ribskiff
6.7%inclusion1 decks15 decks
7%synergy
Recon Craft Theta
6.7%inclusion1 decks15 decks
7%synergy
Bontu's Monument
6.7%inclusion1 decks15 decks
-22%synergy
Maskwood Nexus
6.7%inclusion1 decks15 decks
6%synergy
Soul Conduit
6.7%inclusion1 decks15 decks
6%synergy
Sigil of Valor
6.7%inclusion1 decks15 decks
7%synergy
Staff of the Death Magus
6.7%inclusion1 decks15 decks
3%synergy
Puppet Strings
6.7%inclusion1 decks15 decks
6%synergy
Grafted Exoskeleton
6.7%inclusion1 decks15 decks
6%synergy
Enchantments
Phyresis
47%inclusion7 decks15 decks
45%synergy
Tribute to Horobi
33%inclusion5 decks15 decks
32%synergy
Vampiric Rites
27%inclusion4 decks15 decks
21%synergy
Phyrexian Arena
20%inclusion3 decks15 decks
-20%synergy
Greed
13%inclusion2 decks15 decks
7%synergy
Braids's Frightful Return
13%inclusion2 decks15 decks
12%synergy
Pooling Venom
13%inclusion2 decks15 decks
13%synergy
Aspect of Gorgon
13%inclusion2 decks15 decks
13%synergy
Debilitating Injury
13%inclusion2 decks15 decks
13%synergy
Relic Putrescence
13%inclusion2 decks15 decks
13%synergy
Intimidation
13%inclusion2 decks15 decks
13%synergy
Brink of Disaster
13%inclusion2 decks15 decks
13%synergy
Kaya's Ghostform
13%inclusion2 decks15 decks
3%synergy
Lord Skitter's Blessing
13%inclusion2 decks15 decks
13%synergy
Crippling Blight
13%inclusion2 decks15 decks
13%synergy
Grave Peril
13%inclusion2 decks15 decks
13%synergy
Bad Moon
13%inclusion2 decks15 decks
10%synergy
Demonic Vigor
6.7%inclusion1 decks15 decks
6%synergy
Life of Toshiro Umezawa
6.7%inclusion1 decks15 decks
6%synergy
Clawing Torment
6.7%inclusion1 decks15 decks
6%synergy
Dark Tutelage
6.7%inclusion1 decks15 decks
5%synergy
Twisted Embrace
6.7%inclusion1 decks15 decks
7%synergy
Torture
6.7%inclusion1 decks15 decks
7%synergy
Okiba Reckoner Raid
6.7%inclusion1 decks15 decks
6%synergy
Hopeless Nightmare
6.7%inclusion1 decks15 decks
3%synergy
Glistening Oil
6.7%inclusion1 decks15 decks
6%synergy
Haunted One
6.7%inclusion1 decks15 decks
4%synergy
The Long Reach of Night
6.7%inclusion1 decks15 decks
6%synergy
Feast of Sanity
6.7%inclusion1 decks15 decks
6%synergy
Gift of Compleation
6.7%inclusion1 decks15 decks
7%synergy
Cover of Darkness
6.7%inclusion1 decks15 decks
4%synergy
Inevitable End
6.7%inclusion1 decks15 decks
7%synergy
Haunted Crossroads
6.7%inclusion1 decks15 decks
6%synergy
Paralyze
6.7%inclusion1 decks15 decks
7%synergy
Oversold Cemetery
6.7%inclusion1 decks15 decks
1%synergy
Dark Prophecy
6.7%inclusion1 decks15 decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
13%inclusion2 decks15 decks
11%synergy
Liliana of the Dark Realms
6.7%inclusion1 decks15 decks
-7%synergy
Utility Lands
Mortuary Mire
33%inclusion5 decks15 decks
20%synergy
Mudflat Village
29%inclusion4 decks14 decks
26%synergy
Witch's Cottage
27%inclusion4 decks15 decks
2%synergy
Karn's Bastion
27%inclusion4 decks15 decks
23%synergy
Haunted Fengraf
20%inclusion3 decks15 decks
20%synergy
Rogue's Passage
20%inclusion3 decks15 decks
1%synergy
Bojuka Bog
13%inclusion2 decks15 decks
-34%synergy
Memorial to Folly
13%inclusion2 decks15 decks
10%synergy
The Dross Pits
13%inclusion2 decks15 decks
12%synergy
War Room
6.7%inclusion1 decks15 decks
-9%synergy
Cabal Coffers
6.7%inclusion1 decks15 decks
-48%synergy
Minas Morgul, Dark Fortress
6.7%inclusion1 decks15 decks
4%synergy
Reliquary Tower
6.7%inclusion1 decks15 decks
-23%synergy
Mana Artifacts
Sol Ring
60%inclusion9 decks15 decks
-26%synergy
Heraldic Banner
47%inclusion7 decks15 decks
41%synergy
Charcoal Diamond
40%inclusion6 decks15 decks
18%synergy
Mind Stone
40%inclusion6 decks15 decks
11%synergy
Arcane Signet
33%inclusion5 decks15 decks
-28%synergy
Phyrexian Atlas
27%inclusion4 decks15 decks
26%synergy
Thought Vessel
20%inclusion3 decks15 decks
-5%synergy
Caged Sun
13%inclusion2 decks15 decks
2%synergy
Commander's Sphere
13%inclusion2 decks15 decks
5%synergy
Gilded Lotus
13%inclusion2 decks15 decks
8%synergy
Patchwork Banner
7.7%inclusion1 decks13 decks
3%synergy
Fellwar Stone
6.7%inclusion1 decks15 decks
-7%synergy
Mimic
6.7%inclusion1 decks15 decks
7%synergy
Manalith
6.7%inclusion1 decks15 decks
7%synergy
Prismatic Lens
6.7%inclusion1 decks15 decks
5%synergy
Lands
Swamp
100%inclusion15 decks15 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
27%inclusion4 decks15 decks
22%synergy
Myriad Landscape
20%inclusion3 decks15 decks
-5%synergy
Terramorphic Expanse
13%inclusion2 decks15 decks
11%synergy
Command Tower
6.7%inclusion1 decks15 decks
1%synergy
Mirrex
6.7%inclusion1 decks15 decks
6%synergy
Riveteers Overlook
6.7%inclusion1 decks15 decks
6%synergy
Shire Terrace
6.7%inclusion1 decks15 decks
6%synergy
Evolving Wilds
6.7%inclusion1 decks15 decks
3%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test