Karumonix, the Rat King (Commander) - Discard

Karumonix, the Rat King
Rank #384
27decks
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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Enchantments
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Utility Lands
Mana Artifacts
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Blightbelly Rat
89%inclusion24 decks27 decks
85%synergy
Piper of the Swarm
89%inclusion24 decks27 decks
82%synergy
Burglar Rat
93%inclusion25 decks27 decks
82%synergy
Pack Rat
85%inclusion23 decks27 decks
79%synergy
Infectious Inquiry
81%inclusion22 decks27 decks
79%synergy
Typhoid Rats
81%inclusion22 decks27 decks
78%synergy
Stronghold Rats
81%inclusion22 decks27 decks
78%synergy
Ichor Rats
78%inclusion21 decks27 decks
75%synergy
Vraska's Fall
78%inclusion21 decks27 decks
74%synergy
Septic Rats
74%inclusion20 decks27 decks
72%synergy
Top Cards
Ogre Slumlord
74%inclusion20 decks27 decks
64%synergy
Lord Skitter's Butcher
74%inclusion20 decks27 decks
71%synergy
Drown in Ichor
74%inclusion20 decks27 decks
70%synergy
Ravenous Rats
70%inclusion19 decks27 decks
69%synergy
Nezumi Informant
70%inclusion19 decks27 decks
64%synergy
Lord Skitter, Sewer King
70%inclusion19 decks27 decks
62%synergy
Gnat Miser
67%inclusion18 decks27 decks
64%synergy
Rancid Rats
67%inclusion18 decks27 decks
64%synergy
Crypt Rats
59%inclusion16 decks27 decks
55%synergy
Rotting Rats
59%inclusion16 decks27 decks
56%synergy
Game Changers
Demonic Tutor
7.4%inclusion2 decks27 decks
-20%synergy
Necropotence
7.4%inclusion2 decks27 decks
-7%synergy
Creatures
Tangled Colony
59%inclusion16 decks27 decks
56%synergy
Drainpipe Vermin
59%inclusion16 decks27 decks
58%synergy
Marrow-Gnawer
56%inclusion15 decks27 decks
52%synergy
Voracious Vermin
56%inclusion15 decks27 decks
53%synergy
Chittering Skitterling
52%inclusion14 decks27 decks
51%synergy
Persistent Marshstalker
50%inclusion13 decks26 decks
47%synergy
Wave of Rats
48%inclusion13 decks27 decks
46%synergy
Nezumi Cutthroat
44%inclusion12 decks27 decks
44%synergy
Nashi, Moon Sage's Scion
44%inclusion12 decks27 decks
41%synergy
Ruin Rat
44%inclusion12 decks27 decks
43%synergy
Throat Slitter
41%inclusion11 decks27 decks
39%synergy
Swarm of Rats
41%inclusion11 decks27 decks
38%synergy
Changeling Outcast
41%inclusion11 decks27 decks
36%synergy
Okiba-Gang Shinobi
41%inclusion11 decks27 decks
40%synergy
Gnawing Vermin
37%inclusion10 decks27 decks
35%synergy
Chittering Witch
37%inclusion10 decks27 decks
33%synergy
Nezumi Prowler
37%inclusion10 decks27 decks
36%synergy
Rat Colony
37%inclusion10 decks27 decks
31%synergy
Chittering Rats
33%inclusion9 decks27 decks
33%synergy
Locust Miser
33%inclusion9 decks27 decks
32%synergy
Refurbished Familiar
30%inclusion8 decks27 decks
27%synergy
Nezumi Graverobber
30%inclusion8 decks27 decks
28%synergy
Twisted Sewer-Witch
30%inclusion8 decks27 decks
28%synergy
Nezumi Bone-Reader
26%inclusion7 decks27 decks
25%synergy
Old Flitterfang
26%inclusion7 decks27 decks
25%synergy
Engine Rat
23%inclusion5 decks22 decks
21%synergy
Gray Merchant of Asphodel
22%inclusion6 decks27 decks
-29%synergy
Mukotai Ambusher
22%inclusion6 decks27 decks
21%synergy
Nezumi Shortfang
22%inclusion6 decks27 decks
21%synergy
Ink-Eyes, Servant of Oni
22%inclusion6 decks27 decks
19%synergy
Earsplitting Rats
22%inclusion6 decks27 decks
22%synergy
Razortooth Rats
22%inclusion6 decks27 decks
22%synergy
Innocuous Rat
19%inclusion5 decks26 decks
18%synergy
Defiler of Flesh
19%inclusion5 decks27 decks
15%synergy
Ratcatcher
19%inclusion5 decks27 decks
15%synergy
Pestilence Rats
19%inclusion5 decks27 decks
16%synergy
Undercity Dire Rat
17%inclusion2 decks12 decks
15%synergy
Ruthless Radrat
15%inclusion4 decks27 decks
14%synergy
Ayara, First of Locthwain
15%inclusion4 decks27 decks
-11%synergy
Scrib Nibblers
15%inclusion4 decks27 decks
14%synergy
Species Specialist
15%inclusion4 decks27 decks
11%synergy
Skullsnatcher
15%inclusion4 decks27 decks
14%synergy
Nezumi Linkbreaker
15%inclusion4 decks27 decks
14%synergy
Crypt Ghast
15%inclusion4 decks27 decks
-33%synergy
Elephant-Rat
13%inclusion1 decks8 decks
12%synergy
Thornplate Intimidator
12%inclusion3 decks26 decks
11%synergy
Daggerfang Duo
12%inclusion3 decks26 decks
11%synergy
Valley Rotcaller
12%inclusion3 decks26 decks
9%synergy
Bog Rats
11%inclusion3 decks27 decks
11%synergy
Patron of the Nezumi
11%inclusion3 decks27 decks
11%synergy
Instants
Dark Ritual
59%inclusion16 decks27 decks
-7%synergy
Whisper of the Dross
52%inclusion14 decks27 decks
49%synergy
Village Rites
44%inclusion12 decks27 decks
19%synergy
Grim Affliction
41%inclusion11 decks27 decks
39%synergy
Anoint with Affliction
30%inclusion8 decks27 decks
29%synergy
Defile
30%inclusion8 decks27 decks
-7%synergy
Tainted Strike
30%inclusion8 decks27 decks
27%synergy
Fell the Profane
19%inclusion5 decks27 decks
0%synergy
Go for the Throat
19%inclusion5 decks27 decks
-5%synergy
Rat Out
19%inclusion5 decks27 decks
17%synergy
Murder
19%inclusion5 decks27 decks
8%synergy
Deadly Dispute
15%inclusion4 decks27 decks
-11%synergy
Culling the Weak
15%inclusion4 decks27 decks
-1%synergy
Corrupted Conviction
15%inclusion4 decks27 decks
2%synergy
Withering Torment
12%inclusion3 decks26 decks
-20%synergy
Deadly Rollick
11%inclusion3 decks27 decks
-13%synergy
Imp's Mischief
11%inclusion3 decks27 decks
-14%synergy
Consuming Corruption
11%inclusion3 decks27 decks
-5%synergy
Virulent Wound
11%inclusion3 decks27 decks
11%synergy
Raise the Draugr
11%inclusion3 decks27 decks
10%synergy
Infernal Grasp
11%inclusion3 decks27 decks
-14%synergy
Malakir Rebirth
11%inclusion3 decks27 decks
-12%synergy
Tragic Slip
11%inclusion3 decks27 decks
-9%synergy
Oblivion's Hunger
7.4%inclusion2 decks27 decks
7%synergy
Battle-Rage Blessing
7.4%inclusion2 decks27 decks
7%synergy
Doom Blade
7.4%inclusion2 decks27 decks
0%synergy
Bitter Triumph
7.4%inclusion2 decks27 decks
-2%synergy
Undying Malice
7.4%inclusion2 decks27 decks
-2%synergy
Foul-Tongue Shriek
7.4%inclusion2 decks27 decks
6%synergy
Plumb the Forbidden
7.4%inclusion2 decks27 decks
3%synergy
Terror
7.4%inclusion2 decks27 decks
6%synergy
Bladebrand
7.4%inclusion2 decks27 decks
6%synergy
Gravepurge
7.4%inclusion2 decks27 decks
6%synergy
Breathe Your Last
7.4%inclusion2 decks27 decks
5%synergy
Sudden Spoiling
7.4%inclusion2 decks27 decks
-1%synergy
Sorceries
Phyresis Outbreak
52%inclusion14 decks27 decks
50%synergy
Crippling Fear
44%inclusion12 decks27 decks
41%synergy
Read the Bones
37%inclusion10 decks27 decks
20%synergy
Vat Emergence
30%inclusion8 decks27 decks
28%synergy
Revenge of the Rats
27%inclusion7 decks26 decks
24%synergy
Reanimate
26%inclusion7 decks27 decks
-14%synergy
Unearth
22%inclusion6 decks27 decks
14%synergy
Mutilate
22%inclusion6 decks27 decks
5%synergy
Syphon Mind
22%inclusion6 decks27 decks
10%synergy
Bloodline Bidding
20%inclusion1 decks5 decks
15%synergy
Swarmyard Massacre
19%inclusion5 decks26 decks
17%synergy
Spread the Sickness
19%inclusion5 decks27 decks
18%synergy
Feed the Swarm
19%inclusion5 decks27 decks
-32%synergy
Sign in Blood
19%inclusion5 decks27 decks
-17%synergy
Kindred Dominance
19%inclusion5 decks27 decks
14%synergy
Patriarch's Bidding
15%inclusion4 decks27 decks
11%synergy
Night's Whisper
15%inclusion4 decks27 decks
-10%synergy
Lab Rats
15%inclusion4 decks27 decks
14%synergy
Diabolic Intent
11%inclusion3 decks27 decks
-4%synergy
Caress of Phyrexia
11%inclusion3 decks27 decks
10%synergy
Geth's Summons
11%inclusion3 decks27 decks
11%synergy
Psychic Whorl
7.7%inclusion2 decks26 decks
7%synergy
Fell
7.7%inclusion2 decks26 decks
4%synergy
Diabolic Tutor
7.4%inclusion2 decks27 decks
-7%synergy
Plague Wind
7.4%inclusion2 decks27 decks
7%synergy
Damnable Pact
7.4%inclusion2 decks27 decks
3%synergy
Torment of Hailfire
7.4%inclusion2 decks27 decks
-8%synergy
Forever Young
7.4%inclusion2 decks27 decks
6%synergy
Haunting Voyage
7.4%inclusion2 decks27 decks
6%synergy
Bubbling Muck
7.4%inclusion2 decks27 decks
-8%synergy
Predators' Hour
7.4%inclusion2 decks27 decks
6%synergy
Agadeem's Awakening
7.4%inclusion2 decks27 decks
0%synergy
Bone Shards
7.4%inclusion2 decks27 decks
4%synergy
Ancient Craving
7.4%inclusion2 decks27 decks
5%synergy
Walk the Plank
7.4%inclusion2 decks27 decks
7%synergy
Divest
7.4%inclusion2 decks27 decks
6%synergy
Annihilating Glare
7.4%inclusion2 decks27 decks
6%synergy
Aid the Fallen
7.4%inclusion2 decks27 decks
7%synergy
Insatiable Avarice
7.4%inclusion2 decks27 decks
-4%synergy
Toxic Deluge
7.4%inclusion2 decks27 decks
-29%synergy
Hideous Visage
7.4%inclusion2 decks27 decks
7%synergy
Phyrexian Tribute
7.4%inclusion2 decks27 decks
7%synergy
Pilfer
7.4%inclusion2 decks27 decks
5%synergy
Damnation
7.4%inclusion2 decks27 decks
-13%synergy
March of the Drowned
7.4%inclusion2 decks27 decks
7%synergy
Plague of Vermin
7.4%inclusion2 decks27 decks
5%synergy
Utility Artifacts
Bontu's Monument
44%inclusion12 decks27 decks
16%synergy
Jet Medallion
41%inclusion11 decks27 decks
-21%synergy
Herald's Horn
33%inclusion9 decks27 decks
28%synergy
Contagion Clasp
26%inclusion7 decks27 decks
24%synergy
Icon of Ancestry
22%inclusion6 decks27 decks
21%synergy
Skullclamp
22%inclusion6 decks27 decks
0%synergy
Chronicle of Victory
20%inclusion1 decks5 decks
17%synergy
Vanquisher's Banner
19%inclusion5 decks27 decks
15%synergy
Swiftfoot Boots
19%inclusion5 decks27 decks
-13%synergy
Prosthetic Injector
15%inclusion4 decks27 decks
15%synergy
Whispersilk Cloak
15%inclusion4 decks27 decks
9%synergy
Geth's Grimoire
15%inclusion4 decks27 decks
8%synergy
Contagion Engine
11%inclusion3 decks27 decks
9%synergy
Mimic Vat
11%inclusion3 decks27 decks
10%synergy
Door of Destinies
11%inclusion3 decks27 decks
9%synergy
Entropic Battlecruiser
11%inclusion1 decks9 decks
8%synergy
The Darkness Crystal
8.3%inclusion1 decks12 decks
-12%synergy
Vat of Rebirth
7.4%inclusion2 decks27 decks
4%synergy
Glaring Spotlight
7.4%inclusion2 decks27 decks
7%synergy
Whip of Erebos
7.4%inclusion2 decks27 decks
-3%synergy
Trailblazer's Boots
7.4%inclusion2 decks27 decks
5%synergy
Dragon Throne of Tarkir
7.4%inclusion2 decks27 decks
7%synergy
Staff of the Death Magus
7.4%inclusion2 decks27 decks
4%synergy
Eldrazi Monument
7.4%inclusion2 decks27 decks
6%synergy
Lightning Greaves
7.4%inclusion2 decks27 decks
-26%synergy
Conjurer's Closet
7.4%inclusion2 decks27 decks
5%synergy
Thornbite Staff
7.4%inclusion2 decks27 decks
5%synergy
Specter's Shroud
7.4%inclusion2 decks27 decks
7%synergy
Grafted Exoskeleton
7.4%inclusion2 decks27 decks
6%synergy
Enchantments
Phyrexian Arena
41%inclusion11 decks27 decks
1%synergy
Necrogen Communion
41%inclusion11 decks27 decks
39%synergy
Cover of Darkness
37%inclusion10 decks27 decks
34%synergy
Oversold Cemetery
26%inclusion7 decks27 decks
21%synergy
Phyresis
22%inclusion6 decks27 decks
20%synergy
Bandit's Talent
19%inclusion5 decks26 decks
14%synergy
Bad Moon
19%inclusion5 decks27 decks
15%synergy
Tribute to Horobi
15%inclusion4 decks27 decks
14%synergy
Lord Skitter's Blessing
15%inclusion4 decks27 decks
14%synergy
The Death of Gwen Stacy
13%inclusion1 decks8 decks
12%synergy
The Meathook Massacre
11%inclusion3 decks27 decks
-6%synergy
Megrim
11%inclusion3 decks27 decks
6%synergy
Glistening Oil
11%inclusion3 decks27 decks
10%synergy
Haunted One
11%inclusion3 decks27 decks
8%synergy
Grave Pact
11%inclusion3 decks27 decks
-8%synergy
Painful Quandary
11%inclusion3 decks27 decks
1%synergy
Black Market Connections
11%inclusion3 decks27 decks
-13%synergy
Waste Not
7.4%inclusion2 decks27 decks
-3%synergy
Black Market
7.4%inclusion2 decks27 decks
-14%synergy
Contamination
7.4%inclusion2 decks27 decks
4%synergy
Phyrexian Reclamation
7.4%inclusion2 decks27 decks
-3%synergy
Vampiric Rites
7.4%inclusion2 decks27 decks
1%synergy
Enslave
7.4%inclusion2 decks27 decks
7%synergy
Eternal Thirst
7.4%inclusion2 decks27 decks
5%synergy
Intimidation
7.4%inclusion2 decks27 decks
7%synergy
Dauthi Embrace
7.4%inclusion2 decks27 decks
6%synergy
Larceny
7.4%inclusion2 decks27 decks
7%synergy
Oppression
7.4%inclusion2 decks27 decks
0%synergy
Leyline of the Void
7.4%inclusion2 decks27 decks
6%synergy
Planeswalkers
Vraska, Betrayal's Sting
22%inclusion6 decks27 decks
20%synergy
Liliana, Waker of the Dead
7.4%inclusion2 decks27 decks
3%synergy
Utility Lands
Bojuka Bog
63%inclusion17 decks27 decks
16%synergy
Swarmyard
59%inclusion16 decks27 decks
54%synergy
Rogue's Passage
59%inclusion16 decks27 decks
40%synergy
Karn's Bastion
56%inclusion15 decks27 decks
52%synergy
Mudflat Village
54%inclusion14 decks26 decks
51%synergy
Witch's Cottage
37%inclusion10 decks27 decks
12%synergy
Three Tree City
31%inclusion8 decks26 decks
26%synergy
Access Tunnel
30%inclusion8 decks27 decks
27%synergy
Mortuary Mire
26%inclusion7 decks27 decks
13%synergy
Barren Moor
26%inclusion7 decks27 decks
16%synergy
Memorial to Folly
22%inclusion6 decks27 decks
19%synergy
Temple of the False God
22%inclusion6 decks27 decks
14%synergy
Phyrexian Tower
19%inclusion5 decks27 decks
-7%synergy
Shizo, Death's Storehouse
15%inclusion4 decks27 decks
5%synergy
Inkmoth Nexus
15%inclusion4 decks27 decks
14%synergy
Cabal Coffers
15%inclusion4 decks27 decks
-40%synergy
Urborg, Tomb of Yawgmoth
15%inclusion4 decks27 decks
-23%synergy
Secret Tunnel
14%inclusion1 decks7 decks
13%synergy
Geier Reach Sanitarium
11%inclusion3 decks27 decks
0%synergy
The Dross Pits
11%inclusion3 decks27 decks
10%synergy
Nykthos, Shrine to Nyx
11%inclusion3 decks27 decks
-19%synergy
Susur Secundi, Void Altar
10%inclusion1 decks10 decks
3%synergy
Cabal Stronghold
7.4%inclusion2 decks27 decks
-27%synergy
The Black Gate
7.4%inclusion2 decks27 decks
4%synergy
Ebon Stronghold
7.4%inclusion2 decks27 decks
6%synergy
Crypt of Agadeem
7.4%inclusion2 decks27 decks
-4%synergy
Volrath's Stronghold
7.4%inclusion2 decks27 decks
4%synergy
Minas Morgul, Dark Fortress
7.4%inclusion2 decks27 decks
4%synergy
Volatile Fault
7.4%inclusion2 decks27 decks
7%synergy
Castle Locthwain
7.4%inclusion2 decks27 decks
-10%synergy
Reliquary Tower
7.4%inclusion2 decks27 decks
-23%synergy
Field of Ruin
7.4%inclusion2 decks27 decks
5%synergy
Mana Artifacts
Sol Ring
89%inclusion24 decks27 decks
3%synergy
Arcane Signet
52%inclusion14 decks27 decks
-10%synergy
Glistening Sphere
48%inclusion13 decks27 decks
47%synergy
Patchwork Banner
31%inclusion8 decks26 decks
26%synergy
Mind Stone
30%inclusion8 decks27 decks
1%synergy
Staff of Compleation
26%inclusion7 decks27 decks
24%synergy
Charcoal Diamond
26%inclusion7 decks27 decks
4%synergy
Heraldic Banner
22%inclusion6 decks27 decks
17%synergy
Phyrexian Atlas
15%inclusion4 decks27 decks
14%synergy
Caged Sun
11%inclusion3 decks27 decks
0%synergy
The Soul Stone
11%inclusion1 decks9 decks
-3%synergy
Commander's Sphere
7.4%inclusion2 decks27 decks
-1%synergy
Throne of Eldraine
7.4%inclusion2 decks27 decks
-3%synergy
Thought Vessel
7.4%inclusion2 decks27 decks
-18%synergy
Lands
Swamp
100%inclusion27 decks27 decks
5%synergy
Path of Ancestry
48%inclusion13 decks27 decks
43%synergy
Fell the Profane
19%inclusion5 decks27 decks
0%synergy
Command Tower
15%inclusion4 decks27 decks
9%synergy
Cavern of Souls
15%inclusion4 decks27 decks
8%synergy
Myriad Landscape
11%inclusion3 decks27 decks
-15%synergy
Malakir Rebirth
11%inclusion3 decks27 decks
-12%synergy
Evolving Wilds
11%inclusion3 decks27 decks
7%synergy
Escape Tunnel
7.4%inclusion2 decks27 decks
6%synergy
Agadeem's Awakening
7.4%inclusion2 decks27 decks
0%synergy
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