Karumonix, the Rat King (Commander) - Aggro

Karumonix, the Rat King
Rank #394
58decks
As CommanderAs CardAverage DeckDecks
Bracket
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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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Enchantments
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Utility Lands
Mana Artifacts
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Piper of the Swarm
90%inclusion52 decks58 decks
83%synergy
Blightbelly Rat
84%inclusion49 decks58 decks
81%synergy
Marrow-Gnawer
72%inclusion42 decks58 decks
69%synergy
Ichor Rats
69%inclusion40 decks58 decks
66%synergy
Ogre Slumlord
76%inclusion44 decks58 decks
66%synergy
Lord Skitter, Sewer King
74%inclusion43 decks58 decks
66%synergy
Pack Rat
71%inclusion41 decks58 decks
65%synergy
Infectious Inquiry
62%inclusion36 decks58 decks
59%synergy
Drown in Ichor
62%inclusion36 decks58 decks
58%synergy
Rancid Rats
59%inclusion34 decks58 decks
56%synergy
Top Cards
Dark Ritual
60%inclusion35 decks58 decks
-7%synergy
Jet Medallion
60%inclusion35 decks58 decks
-2%synergy
Rat Colony
60%inclusion35 decks58 decks
55%synergy
Typhoid Rats
59%inclusion34 decks58 decks
55%synergy
Lord Skitter's Butcher
57%inclusion33 decks58 decks
54%synergy
Tangled Colony
55%inclusion32 decks58 decks
52%synergy
Septic Rats
55%inclusion32 decks58 decks
53%synergy
Crypt Rats
52%inclusion30 decks58 decks
47%synergy
Rat King, Pale Piper
50%inclusion8 decks16 decks
46%synergy
Burglar Rat
47%inclusion27 decks58 decks
36%synergy
Game Changers
Vampiric Tutor
16%inclusion9 decks58 decks
-5%synergy
Demonic Tutor
14%inclusion8 decks58 decks
-13%synergy
Bolas's Citadel
12%inclusion7 decks58 decks
-16%synergy
Creatures
Stronghold Rats
45%inclusion26 decks58 decks
41%synergy
Persistent Marshstalker
43%inclusion25 decks58 decks
40%synergy
Voracious Vermin
43%inclusion25 decks58 decks
40%synergy
Gnat Miser
43%inclusion25 decks58 decks
40%synergy
Chittering Skitterling
41%inclusion24 decks58 decks
40%synergy
Ashcoat of the Shadow Swarm
40%inclusion23 decks58 decks
36%synergy
Changeling Outcast
36%inclusion21 decks58 decks
31%synergy
Wave of Rats
34%inclusion20 decks58 decks
33%synergy
Nashi, Moon Sage's Scion
34%inclusion20 decks58 decks
31%synergy
Ruin Rat
34%inclusion20 decks58 decks
33%synergy
Chittering Witch
33%inclusion19 decks58 decks
28%synergy
Nezumi Prowler
33%inclusion19 decks58 decks
31%synergy
Species Specialist
31%inclusion18 decks58 decks
28%synergy
Locust Miser
29%inclusion17 decks58 decks
28%synergy
Swarm of Rats
29%inclusion17 decks58 decks
27%synergy
Engine Rat
29%inclusion14 decks48 decks
27%synergy
Undercity Dire Rat
29%inclusion10 decks35 decks
27%synergy
Ink-Eyes, Servant of Oni
28%inclusion16 decks58 decks
24%synergy
Nezumi Cutthroat
28%inclusion16 decks58 decks
27%synergy
Ratcatcher
28%inclusion16 decks58 decks
24%synergy
Drainpipe Vermin
28%inclusion16 decks58 decks
26%synergy
Rat King, Verminister
27%inclusion6 decks22 decks
24%synergy
Gnawing Vermin
26%inclusion15 decks58 decks
24%synergy
Throat Slitter
26%inclusion15 decks58 decks
24%synergy
Nezumi Informant
26%inclusion15 decks58 decks
19%synergy
Splinter, Hamato Yoshi
25%inclusion4 decks16 decks
25%synergy
Rotting Rats
24%inclusion14 decks58 decks
21%synergy
Twisted Sewer-Witch
24%inclusion14 decks58 decks
23%synergy
Pestilence Rats
22%inclusion13 decks58 decks
20%synergy
Chittering Rats
19%inclusion11 decks58 decks
18%synergy
Skullsnatcher
19%inclusion11 decks58 decks
18%synergy
Elephant-Rat
19%inclusion5 decks27 decks
18%synergy
Ravenous Rats
17%inclusion10 decks58 decks
16%synergy
Valley Rotcaller
17%inclusion10 decks58 decks
15%synergy
Nezumi Bone-Reader
17%inclusion10 decks58 decks
16%synergy
Ruthless Radrat
16%inclusion9 decks58 decks
15%synergy
Ayara, First of Locthwain
16%inclusion9 decks58 decks
-10%synergy
Mukotai Ambusher
16%inclusion9 decks58 decks
15%synergy
Razortooth Rats
16%inclusion9 decks58 decks
15%synergy
Crypt Ghast
16%inclusion9 decks58 decks
-32%synergy
Innocuous Rat
14%inclusion8 decks57 decks
13%synergy
Nezumi Graverobber
14%inclusion8 decks58 decks
12%synergy
Gray Merchant of Asphodel
14%inclusion8 decks58 decks
-37%synergy
Yawgmoth, Thran Physician
14%inclusion8 decks58 decks
4%synergy
Tunnel Rats
13%inclusion2 decks15 decks
13%synergy
Refurbished Familiar
12%inclusion7 decks58 decks
10%synergy
Relentless Rats
12%inclusion7 decks58 decks
10%synergy
Sewer Rats
12%inclusion7 decks58 decks
12%synergy
Okiba-Gang Shinobi
12%inclusion7 decks58 decks
11%synergy
Sinuous Vermin
10%inclusion6 decks58 decks
10%synergy
Instants
Vraska's Fall
47%inclusion27 decks58 decks
43%synergy
Whisper of the Dross
40%inclusion23 decks58 decks
37%synergy
Village Rites
34%inclusion20 decks58 decks
9%synergy
Go for the Throat
31%inclusion18 decks58 decks
8%synergy
Defile
29%inclusion17 decks58 decks
-7%synergy
Rat Out
24%inclusion14 decks58 decks
23%synergy
Tainted Strike
21%inclusion12 decks58 decks
18%synergy
Grim Affliction
19%inclusion11 decks58 decks
17%synergy
Infernal Grasp
19%inclusion11 decks58 decks
-6%synergy
Corrupted Conviction
17%inclusion10 decks58 decks
5%synergy
Withering Torment
16%inclusion9 decks57 decks
-16%synergy
Anoint with Affliction
16%inclusion9 decks58 decks
15%synergy
Deadly Dispute
16%inclusion9 decks58 decks
-11%synergy
Murder
14%inclusion8 decks58 decks
4%synergy
Tragic Slip
14%inclusion8 decks58 decks
-6%synergy
Virulent Wound
12%inclusion7 decks58 decks
12%synergy
Curtains' Call
12%inclusion7 decks58 decks
10%synergy
Deadly Rollick
10%inclusion6 decks58 decks
-14%synergy
Fell the Profane
10%inclusion6 decks58 decks
-9%synergy
Cabal Ritual
10%inclusion6 decks58 decks
-8%synergy
Imp's Mischief
8.6%inclusion5 decks58 decks
-16%synergy
Consuming Corruption
8.6%inclusion5 decks58 decks
-7%synergy
Culling the Weak
8.6%inclusion5 decks58 decks
-8%synergy
Malakir Rebirth
8.6%inclusion5 decks58 decks
-15%synergy
Gravepurge
8.6%inclusion5 decks58 decks
7%synergy
Sudden Spoiling
8.6%inclusion5 decks58 decks
0%synergy
Alesha's Legacy
7.7%inclusion3 decks39 decks
6%synergy
Bitter Triumph
6.9%inclusion4 decks58 decks
-3%synergy
Foul-Tongue Shriek
6.9%inclusion4 decks58 decks
5%synergy
Baleful Mastery
6.9%inclusion4 decks58 decks
-1%synergy
Archenemy's Charm
6.9%inclusion2 decks29 decks
-2%synergy
Hagra Mauling
5.2%inclusion3 decks58 decks
1%synergy
Force of Despair
5.2%inclusion3 decks58 decks
-2%synergy
Doom Blade
5.2%inclusion3 decks58 decks
-2%synergy
Breathe Your Last
5.2%inclusion3 decks58 decks
3%synergy
Nasty End
5.2%inclusion3 decks58 decks
2%synergy
Dismember
5.2%inclusion3 decks58 decks
-5%synergy
Sorceries
Revenge of the Rats
42%inclusion22 decks53 decks
38%synergy
Crippling Fear
40%inclusion23 decks58 decks
37%synergy
Phyresis Outbreak
38%inclusion22 decks58 decks
36%synergy
Feed the Swarm
38%inclusion22 decks58 decks
-12%synergy
Patriarch's Bidding
31%inclusion18 decks58 decks
27%synergy
Kindred Dominance
31%inclusion18 decks58 decks
26%synergy
Sign in Blood
29%inclusion17 decks58 decks
-6%synergy
Night's Whisper
28%inclusion16 decks58 decks
3%synergy
Read the Bones
22%inclusion13 decks58 decks
6%synergy
Unearth
21%inclusion12 decks58 decks
12%synergy
Echoing Return
21%inclusion12 decks58 decks
18%synergy
Vat Emergence
19%inclusion11 decks58 decks
18%synergy
Swarmyard Massacre
19%inclusion11 decks58 decks
17%synergy
Toxic Deluge
19%inclusion11 decks58 decks
-18%synergy
Diabolic Intent
14%inclusion8 decks58 decks
-1%synergy
Lab Rats
14%inclusion8 decks58 decks
13%synergy
Plague of Vermin
14%inclusion8 decks58 decks
11%synergy
Pact of the Serpent
14%inclusion8 decks58 decks
12%synergy
Spread the Sickness
12%inclusion7 decks58 decks
11%synergy
Caress of Phyrexia
12%inclusion7 decks58 decks
11%synergy
Damnation
12%inclusion7 decks58 decks
-8%synergy
Bloodline Bidding
12%inclusion3 decks25 decks
8%synergy
Diabolic Tutor
10%inclusion6 decks58 decks
-4%synergy
Forever Young
10%inclusion6 decks58 decks
9%synergy
Haunting Voyage
10%inclusion6 decks58 decks
9%synergy
Mutilate
10%inclusion6 decks58 decks
-6%synergy
Living Death
10%inclusion6 decks58 decks
0%synergy
Bubbling Muck
8.6%inclusion5 decks58 decks
-7%synergy
Feed the Infection
8.6%inclusion5 decks58 decks
8%synergy
Geth's Summons
8.6%inclusion5 decks58 decks
8%synergy
Grim Tutor
8.6%inclusion5 decks58 decks
-3%synergy
Syphon Mind
6.9%inclusion4 decks58 decks
-5%synergy
Eaten Alive
6.9%inclusion4 decks58 decks
3%synergy
Rise of the Dark Realms
6.9%inclusion4 decks58 decks
-6%synergy
Shredder's Technique
6.3%inclusion1 decks16 decks
3%synergy
Victimize
5.2%inclusion3 decks58 decks
-22%synergy
Torment of Hailfire
5.2%inclusion3 decks58 decks
-10%synergy
Return from Extinction
5.2%inclusion3 decks58 decks
5%synergy
Ancient Craving
5.2%inclusion3 decks58 decks
3%synergy
Fell
5.2%inclusion3 decks58 decks
2%synergy
In Garruk's Wake
5.2%inclusion3 decks58 decks
1%synergy
Insatiable Avarice
5.2%inclusion3 decks58 decks
-6%synergy
Gruesome Fate
5.2%inclusion3 decks58 decks
3%synergy
Utility Artifacts
Bontu's Monument
41%inclusion24 decks58 decks
13%synergy
Herald's Horn
36%inclusion21 decks58 decks
31%synergy
Thrumming Stone
29%inclusion17 decks58 decks
25%synergy
Contagion Clasp
26%inclusion15 decks58 decks
24%synergy
Skullclamp
26%inclusion15 decks58 decks
4%synergy
Vanquisher's Banner
26%inclusion15 decks58 decks
22%synergy
Door of Destinies
21%inclusion12 decks58 decks
19%synergy
Whip of Erebos
17%inclusion10 decks58 decks
6%synergy
Contagion Engine
16%inclusion9 decks58 decks
14%synergy
Coat of Arms
12%inclusion7 decks58 decks
9%synergy
Thornbite Staff
12%inclusion7 decks58 decks
9%synergy
Chronicle of Victory
12%inclusion3 decks25 decks
9%synergy
Gathering Stone
12%inclusion3 decks25 decks
11%synergy
Vat of Rebirth
10%inclusion6 decks58 decks
7%synergy
Ashnod's Altar
10%inclusion6 decks58 decks
-10%synergy
Expedition Map
10%inclusion6 decks58 decks
-1%synergy
Swiftfoot Boots
10%inclusion6 decks58 decks
-21%synergy
Lightning Greaves
10%inclusion6 decks58 decks
-23%synergy
Banner of Kinship
9.3%inclusion5 decks54 decks
7%synergy
The Darkness Crystal
8.6%inclusion3 decks35 decks
-12%synergy
Prosthetic Injector
6.9%inclusion4 decks58 decks
7%synergy
Sword of Hearth and Home
6.9%inclusion4 decks58 decks
6%synergy
Akroma's Memorial
6.9%inclusion4 decks58 decks
6%synergy
Whispersilk Cloak
6.9%inclusion4 decks58 decks
1%synergy
Icon of Ancestry
5.2%inclusion3 decks58 decks
4%synergy
Wayfarer's Bauble
5.2%inclusion3 decks58 decks
-10%synergy
Mirror Box
5.2%inclusion3 decks58 decks
5%synergy
Sword of the Squeak
5.2%inclusion3 decks58 decks
5%synergy
Wishclaw Talisman
5.2%inclusion3 decks58 decks
-2%synergy
Maskwood Nexus
5.2%inclusion3 decks58 decks
4%synergy
Eldrazi Monument
5.2%inclusion3 decks58 decks
3%synergy
Grafted Exoskeleton
5.2%inclusion3 decks58 decks
4%synergy
Enchantments
Cover of Darkness
38%inclusion22 decks58 decks
35%synergy
Phyrexian Arena
33%inclusion19 decks58 decks
-7%synergy
Necrogen Communion
24%inclusion14 decks58 decks
22%synergy
Phyrexian Reclamation
17%inclusion10 decks58 decks
7%synergy
Grave Pact
17%inclusion10 decks58 decks
-2%synergy
Haunted One
14%inclusion8 decks58 decks
11%synergy
Black Market Connections
14%inclusion8 decks58 decks
-10%synergy
Bad Moon
14%inclusion8 decks58 decks
11%synergy
The Meathook Massacre
10%inclusion6 decks58 decks
-7%synergy
Oversold Cemetery
10%inclusion6 decks58 decks
5%synergy
Black Market
8.6%inclusion5 decks58 decks
-12%synergy
Phyresis
8.6%inclusion5 decks58 decks
7%synergy
Tribute to Horobi
6.9%inclusion4 decks58 decks
6%synergy
Intimidation
6.9%inclusion4 decks58 decks
6%synergy
Painful Quandary
6.9%inclusion4 decks58 decks
-3%synergy
Sothera, the Supervoid
6.5%inclusion2 decks31 decks
4%synergy
Vampiric Rites
5.2%inclusion3 decks58 decks
-1%synergy
Sanguine Bond
5.2%inclusion3 decks58 decks
-7%synergy
Kaya's Ghostform
5.2%inclusion3 decks58 decks
-5%synergy
No Mercy
5.2%inclusion3 decks58 decks
-2%synergy
Lord Skitter's Blessing
5.2%inclusion3 decks58 decks
4%synergy
Dark Prophecy
5.2%inclusion3 decks58 decks
1%synergy
Planeswalkers
Vraska, Betrayal's Sting
28%inclusion16 decks58 decks
25%synergy
Utility Lands
Swarmyard
60%inclusion35 decks58 decks
55%synergy
Cabal Coffers
50%inclusion29 decks58 decks
-5%synergy
Bojuka Bog
47%inclusion27 decks58 decks
-0%synergy
Karn's Bastion
40%inclusion23 decks58 decks
36%synergy
Mudflat Village
40%inclusion23 decks58 decks
37%synergy
Cabal Stronghold
31%inclusion18 decks58 decks
-3%synergy
Urborg, Tomb of Yawgmoth
28%inclusion16 decks58 decks
-10%synergy
Rogue's Passage
24%inclusion14 decks58 decks
5%synergy
Witch's Cottage
21%inclusion12 decks58 decks
-4%synergy
Reliquary Tower
21%inclusion12 decks58 decks
-9%synergy
Mortuary Mire
19%inclusion11 decks58 decks
6%synergy
Three Tree City
19%inclusion11 decks58 decks
14%synergy
Phyrexian Tower
17%inclusion10 decks58 decks
-9%synergy
Barren Moor
17%inclusion10 decks58 decks
8%synergy
Crypt of Agadeem
17%inclusion10 decks58 decks
6%synergy
Nykthos, Shrine to Nyx
17%inclusion10 decks58 decks
-13%synergy
Castle Locthwain
16%inclusion9 decks58 decks
-1%synergy
Shizo, Death's Storehouse
12%inclusion7 decks58 decks
2%synergy
The Black Gate
10%inclusion6 decks58 decks
7%synergy
The Dross Pits
10%inclusion6 decks58 decks
9%synergy
Access Tunnel
10%inclusion6 decks58 decks
7%synergy
Minas Morgul, Dark Fortress
8.6%inclusion5 decks58 decks
6%synergy
Memorial to Folly
6.9%inclusion4 decks58 decks
4%synergy
Inkmoth Nexus
6.9%inclusion4 decks58 decks
6%synergy
War Room
6.9%inclusion4 decks58 decks
-9%synergy
Temple of the False God
6.9%inclusion4 decks58 decks
-1%synergy
Vault of Whispers
5.2%inclusion3 decks58 decks
-0%synergy
Wasteland
5.2%inclusion3 decks58 decks
4%synergy
Mutavault
5.2%inclusion3 decks58 decks
4%synergy
Geier Reach Sanitarium
5.2%inclusion3 decks58 decks
-6%synergy
Takenuma, Abandoned Mire
5.2%inclusion3 decks58 decks
-10%synergy
Sandstorm Verge
5.2%inclusion3 decks58 decks
5%synergy
Hidden Necropolis
5.2%inclusion3 decks58 decks
4%synergy
Mana Artifacts
Sol Ring
69%inclusion40 decks58 decks
-17%synergy
Arcane Signet
38%inclusion22 decks58 decks
-24%synergy
Glistening Sphere
22%inclusion13 decks58 decks
21%synergy
Staff of Compleation
21%inclusion12 decks58 decks
19%synergy
Patchwork Banner
17%inclusion10 decks58 decks
13%synergy
Charcoal Diamond
14%inclusion8 decks58 decks
-8%synergy
Mind Stone
14%inclusion8 decks58 decks
-15%synergy
Caged Sun
8.6%inclusion5 decks58 decks
-2%synergy
Thought Vessel
8.6%inclusion5 decks58 decks
-17%synergy
Commander's Sphere
6.9%inclusion4 decks58 decks
-1%synergy
Heraldic Banner
6.9%inclusion4 decks58 decks
2%synergy
Lands
Swamp
97%inclusion56 decks58 decks
1%synergy
Path of Ancestry
34%inclusion20 decks58 decks
29%synergy
Myriad Landscape
16%inclusion9 decks58 decks
-10%synergy
Fell the Profane
10%inclusion6 decks58 decks
-9%synergy
Command Tower
10%inclusion6 decks58 decks
5%synergy
Cavern of Souls
10%inclusion6 decks58 decks
4%synergy
Malakir Rebirth
8.6%inclusion5 decks58 decks
-15%synergy
Snow-Covered Swamp
8.6%inclusion5 decks58 decks
2%synergy
Escape Tunnel
6.9%inclusion4 decks58 decks
6%synergy
Evolving Wilds
6.9%inclusion4 decks58 decks
3%synergy
Big Apple, 3 a.m.
6.3%inclusion1 decks16 decks
4%synergy
Hagra Mauling
5.2%inclusion3 decks58 decks
1%synergy
Urza's Cave
5.2%inclusion3 decks58 decks
-3%synergy
Opal Palace
5.2%inclusion3 decks58 decks
4%synergy
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