Karumonix, the Rat King (Commander) - Aggro

Karumonix, the Rat King
Rank #400
62decks
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
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Piper of the Swarm
89%inclusion55 decks62 decks
82%synergy
Blightbelly Rat
84%inclusion52 decks62 decks
80%synergy
Marrow-Gnawer
74%inclusion46 decks62 decks
71%synergy
Ichor Rats
71%inclusion44 decks62 decks
68%synergy
Lord Skitter, Sewer King
74%inclusion46 decks62 decks
66%synergy
Ogre Slumlord
76%inclusion47 decks62 decks
66%synergy
Pack Rat
71%inclusion44 decks62 decks
65%synergy
Infectious Inquiry
63%inclusion39 decks62 decks
60%synergy
Drown in Ichor
63%inclusion39 decks62 decks
59%synergy
Rancid Rats
58%inclusion36 decks62 decks
56%synergy
Top Cards
Dark Ritual
61%inclusion38 decks62 decks
-6%synergy
Jet Medallion
60%inclusion37 decks62 decks
-3%synergy
Rat Colony
60%inclusion37 decks62 decks
54%synergy
Typhoid Rats
58%inclusion36 decks62 decks
54%synergy
Tangled Colony
55%inclusion34 decks62 decks
52%synergy
Lord Skitter's Butcher
55%inclusion34 decks62 decks
52%synergy
Septic Rats
55%inclusion34 decks62 decks
53%synergy
Crypt Rats
53%inclusion33 decks62 decks
49%synergy
Burglar Rat
47%inclusion29 decks62 decks
36%synergy
Vraska's Fall
47%inclusion29 decks62 decks
44%synergy
Game Changers
Vampiric Tutor
16%inclusion10 decks62 decks
-5%synergy
Demonic Tutor
15%inclusion9 decks62 decks
-13%synergy
Bolas's Citadel
13%inclusion8 decks62 decks
-15%synergy
Creatures
Stronghold Rats
47%inclusion29 decks62 decks
43%synergy
Gnat Miser
45%inclusion28 decks62 decks
42%synergy
Rat King, Pale Piper
45%inclusion9 decks20 decks
41%synergy
Persistent Marshstalker
42%inclusion26 decks62 decks
39%synergy
Chittering Skitterling
42%inclusion26 decks62 decks
41%synergy
Voracious Vermin
40%inclusion25 decks62 decks
37%synergy
Ashcoat of the Shadow Swarm
40%inclusion25 decks62 decks
37%synergy
Changeling Outcast
39%inclusion24 decks62 decks
34%synergy
Nashi, Moon Sage's Scion
35%inclusion22 decks62 decks
32%synergy
Wave of Rats
34%inclusion21 decks62 decks
32%synergy
Ruin Rat
34%inclusion21 decks62 decks
33%synergy
Nezumi Prowler
32%inclusion20 decks62 decks
31%synergy
Locust Miser
31%inclusion19 decks62 decks
29%synergy
Swarm of Rats
31%inclusion19 decks62 decks
28%synergy
Chittering Witch
31%inclusion19 decks62 decks
26%synergy
Ratcatcher
31%inclusion19 decks62 decks
27%synergy
Species Specialist
29%inclusion18 decks62 decks
26%synergy
Engine Rat
29%inclusion15 decks52 decks
27%synergy
Ink-Eyes, Servant of Oni
27%inclusion17 decks62 decks
24%synergy
Nezumi Cutthroat
27%inclusion17 decks62 decks
27%synergy
Drainpipe Vermin
27%inclusion17 decks62 decks
26%synergy
Rat King, Verminister
27%inclusion7 decks26 decks
24%synergy
Gnawing Vermin
26%inclusion16 decks62 decks
24%synergy
Throat Slitter
26%inclusion16 decks62 decks
24%synergy
Undercity Dire Rat
26%inclusion10 decks39 decks
24%synergy
Rotting Rats
24%inclusion15 decks62 decks
21%synergy
Nezumi Informant
24%inclusion15 decks62 decks
18%synergy
Twisted Sewer-Witch
23%inclusion14 decks62 decks
21%synergy
Pestilence Rats
21%inclusion13 decks62 decks
19%synergy
Splinter, Hamato Yoshi
20%inclusion4 decks20 decks
20%synergy
Chittering Rats
18%inclusion11 decks62 decks
17%synergy
Ayara, First of Locthwain
18%inclusion11 decks62 decks
-8%synergy
Skullsnatcher
18%inclusion11 decks62 decks
17%synergy
Razortooth Rats
18%inclusion11 decks62 decks
17%synergy
Valley Rotcaller
18%inclusion11 decks62 decks
15%synergy
Ravenous Rats
16%inclusion10 decks62 decks
14%synergy
Nezumi Bone-Reader
16%inclusion10 decks62 decks
15%synergy
Elephant-Rat
16%inclusion5 decks31 decks
16%synergy
Nezumi Graverobber
15%inclusion9 decks62 decks
13%synergy
Ruthless Radrat
15%inclusion9 decks62 decks
14%synergy
Mukotai Ambusher
15%inclusion9 decks62 decks
14%synergy
Yawgmoth, Thran Physician
15%inclusion9 decks62 decks
5%synergy
Crypt Ghast
15%inclusion9 decks62 decks
-33%synergy
Innocuous Rat
13%inclusion8 decks61 decks
12%synergy
Relentless Rats
13%inclusion8 decks62 decks
11%synergy
Gray Merchant of Asphodel
13%inclusion8 decks62 decks
-38%synergy
Refurbished Familiar
11%inclusion7 decks62 decks
9%synergy
Sinuous Vermin
11%inclusion7 decks62 decks
11%synergy
Sewer Rats
11%inclusion7 decks62 decks
11%synergy
Okiba-Gang Shinobi
11%inclusion7 decks62 decks
10%synergy
Instants
Whisper of the Dross
44%inclusion27 decks62 decks
41%synergy
Village Rites
34%inclusion21 decks62 decks
8%synergy
Go for the Throat
31%inclusion19 decks62 decks
8%synergy
Defile
27%inclusion17 decks62 decks
-8%synergy
Rat Out
23%inclusion14 decks62 decks
21%synergy
Tainted Strike
23%inclusion14 decks62 decks
20%synergy
Grim Affliction
21%inclusion13 decks62 decks
19%synergy
Infernal Grasp
21%inclusion13 decks62 decks
-4%synergy
Corrupted Conviction
19%inclusion12 decks62 decks
7%synergy
Withering Torment
16%inclusion10 decks61 decks
-15%synergy
Deadly Dispute
16%inclusion10 decks62 decks
-10%synergy
Anoint with Affliction
15%inclusion9 decks62 decks
14%synergy
Murder
15%inclusion9 decks62 decks
5%synergy
Fell the Profane
13%inclusion8 decks62 decks
-7%synergy
Culling the Weak
13%inclusion8 decks62 decks
-4%synergy
Tragic Slip
13%inclusion8 decks62 decks
-6%synergy
Cabal Ritual
11%inclusion7 decks62 decks
-7%synergy
Virulent Wound
11%inclusion7 decks62 decks
11%synergy
Curtains' Call
11%inclusion7 decks62 decks
10%synergy
Deadly Rollick
10%inclusion6 decks62 decks
-15%synergy
Imp's Mischief
10%inclusion6 decks62 decks
-15%synergy
Malakir Rebirth
10%inclusion6 decks62 decks
-14%synergy
Consuming Corruption
8.1%inclusion5 decks62 decks
-8%synergy
Gravepurge
8.1%inclusion5 decks62 decks
7%synergy
Sudden Spoiling
8.1%inclusion5 decks62 decks
-0%synergy
Alesha's Legacy
7.0%inclusion3 decks43 decks
6%synergy
Bitter Triumph
6.5%inclusion4 decks62 decks
-3%synergy
Foul-Tongue Shriek
6.5%inclusion4 decks62 decks
5%synergy
Baleful Mastery
6.5%inclusion4 decks62 decks
-2%synergy
Archenemy's Charm
6.1%inclusion2 decks33 decks
-3%synergy
Sorceries
Revenge of the Rats
40%inclusion23 decks57 decks
37%synergy
Feed the Swarm
40%inclusion25 decks62 decks
-10%synergy
Phyresis Outbreak
39%inclusion24 decks62 decks
37%synergy
Crippling Fear
39%inclusion24 decks62 decks
36%synergy
Patriarch's Bidding
31%inclusion19 decks62 decks
27%synergy
Kindred Dominance
31%inclusion19 decks62 decks
26%synergy
Sign in Blood
29%inclusion18 decks62 decks
-6%synergy
Night's Whisper
26%inclusion16 decks62 decks
1%synergy
Echoing Return
21%inclusion13 decks62 decks
18%synergy
Read the Bones
21%inclusion13 decks62 decks
5%synergy
Vat Emergence
19%inclusion12 decks62 decks
18%synergy
Unearth
19%inclusion12 decks62 decks
11%synergy
Swarmyard Massacre
18%inclusion11 decks62 decks
15%synergy
Toxic Deluge
18%inclusion11 decks62 decks
-19%synergy
Diabolic Intent
16%inclusion10 decks62 decks
1%synergy
Damnation
15%inclusion9 decks62 decks
-6%synergy
Plague of Vermin
15%inclusion9 decks62 decks
12%synergy
Caress of Phyrexia
13%inclusion8 decks62 decks
12%synergy
Lab Rats
13%inclusion8 decks62 decks
12%synergy
Pact of the Serpent
13%inclusion8 decks62 decks
11%synergy
Spread the Sickness
11%inclusion7 decks62 decks
11%synergy
Bubbling Muck
11%inclusion7 decks62 decks
-4%synergy
Bloodline Bidding
10%inclusion3 decks29 decks
6%synergy
Diabolic Tutor
10%inclusion6 decks62 decks
-4%synergy
Forever Young
10%inclusion6 decks62 decks
8%synergy
Haunting Voyage
10%inclusion6 decks62 decks
9%synergy
Mutilate
10%inclusion6 decks62 decks
-6%synergy
Living Death
10%inclusion6 decks62 decks
-1%synergy
Geth's Summons
10%inclusion6 decks62 decks
9%synergy
Feed the Infection
8.1%inclusion5 decks62 decks
7%synergy
Grim Tutor
8.1%inclusion5 decks62 decks
-3%synergy
Victimize
6.5%inclusion4 decks62 decks
-21%synergy
Syphon Mind
6.5%inclusion4 decks62 decks
-6%synergy
Insatiable Avarice
6.5%inclusion4 decks62 decks
-5%synergy
Eaten Alive
6.5%inclusion4 decks62 decks
3%synergy
Rise of the Dark Realms
6.5%inclusion4 decks62 decks
-7%synergy
Shredder's Technique
5.0%inclusion1 decks20 decks
2%synergy
Utility Artifacts
Bontu's Monument
42%inclusion26 decks62 decks
14%synergy
Herald's Horn
35%inclusion22 decks62 decks
30%synergy
Thrumming Stone
29%inclusion18 decks62 decks
25%synergy
Contagion Clasp
27%inclusion17 decks62 decks
25%synergy
Skullclamp
27%inclusion17 decks62 decks
5%synergy
Vanquisher's Banner
24%inclusion15 decks62 decks
20%synergy
Door of Destinies
19%inclusion12 decks62 decks
17%synergy
Contagion Engine
18%inclusion11 decks62 decks
16%synergy
Whip of Erebos
16%inclusion10 decks62 decks
5%synergy
Chronicle of Victory
14%inclusion4 decks29 decks
11%synergy
Coat of Arms
13%inclusion8 decks62 decks
10%synergy
Lightning Greaves
13%inclusion8 decks62 decks
-21%synergy
Thornbite Staff
13%inclusion8 decks62 decks
10%synergy
Swiftfoot Boots
11%inclusion7 decks62 decks
-20%synergy
Gathering Stone
10%inclusion3 decks29 decks
9%synergy
The Darkness Crystal
10%inclusion4 decks39 decks
-10%synergy
Vat of Rebirth
10%inclusion6 decks62 decks
6%synergy
Ashnod's Altar
10%inclusion6 decks62 decks
-10%synergy
Expedition Map
10%inclusion6 decks62 decks
-2%synergy
Prosthetic Injector
8.1%inclusion5 decks62 decks
8%synergy
Banner of Kinship
6.9%inclusion4 decks58 decks
5%synergy
Icon of Ancestry
6.5%inclusion4 decks62 decks
6%synergy
Sword of Hearth and Home
6.5%inclusion4 decks62 decks
5%synergy
Akroma's Memorial
6.5%inclusion4 decks62 decks
6%synergy
Whispersilk Cloak
6.5%inclusion4 decks62 decks
1%synergy
Enchantments
Cover of Darkness
39%inclusion24 decks62 decks
36%synergy
Phyrexian Arena
34%inclusion21 decks62 decks
-6%synergy
Necrogen Communion
24%inclusion15 decks62 decks
22%synergy
Phyrexian Reclamation
18%inclusion11 decks62 decks
8%synergy
Grave Pact
18%inclusion11 decks62 decks
-2%synergy
Black Market Connections
16%inclusion10 decks62 decks
-8%synergy
Haunted One
15%inclusion9 decks62 decks
12%synergy
Bad Moon
13%inclusion8 decks62 decks
10%synergy
The Meathook Massacre
10%inclusion6 decks62 decks
-8%synergy
Black Market
10%inclusion6 decks62 decks
-11%synergy
Phyresis
10%inclusion6 decks62 decks
8%synergy
Oversold Cemetery
10%inclusion6 decks62 decks
4%synergy
Vampiric Rites
6.5%inclusion4 decks62 decks
0%synergy
Tribute to Horobi
6.5%inclusion4 decks62 decks
5%synergy
Intimidation
6.5%inclusion4 decks62 decks
6%synergy
Kaya's Ghostform
6.5%inclusion4 decks62 decks
-3%synergy
Painful Quandary
6.5%inclusion4 decks62 decks
-4%synergy
Lord Skitter's Blessing
6.5%inclusion4 decks62 decks
6%synergy
Sothera, the Supervoid
5.7%inclusion2 decks35 decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
31%inclusion19 decks62 decks
28%synergy
Utility Lands
Swarmyard
60%inclusion37 decks62 decks
54%synergy
Cabal Coffers
50%inclusion31 decks62 decks
-5%synergy
Bojuka Bog
45%inclusion28 decks62 decks
-2%synergy
Karn's Bastion
44%inclusion27 decks62 decks
40%synergy
Mudflat Village
40%inclusion25 decks62 decks
38%synergy
Cabal Stronghold
32%inclusion20 decks62 decks
-2%synergy
Urborg, Tomb of Yawgmoth
27%inclusion17 decks62 decks
-10%synergy
Rogue's Passage
26%inclusion16 decks62 decks
7%synergy
Witch's Cottage
23%inclusion14 decks62 decks
-2%synergy
Mortuary Mire
21%inclusion13 decks62 decks
8%synergy
Reliquary Tower
19%inclusion12 decks62 decks
-10%synergy
Three Tree City
19%inclusion12 decks62 decks
15%synergy
Phyrexian Tower
18%inclusion11 decks62 decks
-8%synergy
Crypt of Agadeem
18%inclusion11 decks62 decks
6%synergy
Barren Moor
16%inclusion10 decks62 decks
7%synergy
Nykthos, Shrine to Nyx
16%inclusion10 decks62 decks
-14%synergy
Castle Locthwain
15%inclusion9 decks62 decks
-2%synergy
Shizo, Death's Storehouse
11%inclusion7 decks62 decks
1%synergy
Access Tunnel
11%inclusion7 decks62 decks
8%synergy
The Black Gate
10%inclusion6 decks62 decks
6%synergy
The Dross Pits
10%inclusion6 decks62 decks
8%synergy
Inkmoth Nexus
8.1%inclusion5 decks62 decks
7%synergy
War Room
8.1%inclusion5 decks62 decks
-8%synergy
Minas Morgul, Dark Fortress
8.1%inclusion5 decks62 decks
5%synergy
Temple of the False God
8.1%inclusion5 decks62 decks
0%synergy
Secret Tunnel
6.7%inclusion2 decks30 decks
5%synergy
Vault of Whispers
6.5%inclusion4 decks62 decks
1%synergy
Memorial to Folly
6.5%inclusion4 decks62 decks
3%synergy
Takenuma, Abandoned Mire
6.5%inclusion4 decks62 decks
-9%synergy
Mana Artifacts
Sol Ring
71%inclusion44 decks62 decks
-15%synergy
Arcane Signet
39%inclusion24 decks62 decks
-23%synergy
Glistening Sphere
26%inclusion16 decks62 decks
25%synergy
Staff of Compleation
21%inclusion13 decks62 decks
19%synergy
Patchwork Banner
18%inclusion11 decks62 decks
13%synergy
Charcoal Diamond
13%inclusion8 decks62 decks
-9%synergy
Mind Stone
13%inclusion8 decks62 decks
-15%synergy
Caged Sun
8.1%inclusion5 decks62 decks
-3%synergy
Thought Vessel
8.1%inclusion5 decks62 decks
-17%synergy
Commander's Sphere
6.5%inclusion4 decks62 decks
-2%synergy
Heraldic Banner
6.5%inclusion4 decks62 decks
1%synergy
Lands
Swamp
97%inclusion60 decks62 decks
2%synergy
Path of Ancestry
32%inclusion20 decks62 decks
27%synergy
Myriad Landscape
15%inclusion9 decks62 decks
-10%synergy
Fell the Profane
13%inclusion8 decks62 decks
-7%synergy
Command Tower
10%inclusion6 decks62 decks
4%synergy
Cavern of Souls
10%inclusion6 decks62 decks
3%synergy
Malakir Rebirth
10%inclusion6 decks62 decks
-14%synergy
Snow-Covered Swamp
8.1%inclusion5 decks62 decks
2%synergy
Escape Tunnel
6.5%inclusion4 decks62 decks
5%synergy
Urza's Cave
6.5%inclusion4 decks62 decks
-2%synergy
Evolving Wilds
6.5%inclusion4 decks62 decks
3%synergy
Big Apple, 3 a.m.
5.0%inclusion1 decks20 decks
3%synergy
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