Karumonix, the Rat King (Commander) - Discard

Karumonix, the Rat King
Rank #381
28decks
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
Blightbelly Rat
89%inclusion25 decks28 decks
86%synergy
Piper of the Swarm
89%inclusion25 decks28 decks
82%synergy
Burglar Rat
93%inclusion26 decks28 decks
82%synergy
Pack Rat
86%inclusion24 decks28 decks
80%synergy
Infectious Inquiry
82%inclusion23 decks28 decks
79%synergy
Stronghold Rats
82%inclusion23 decks28 decks
78%synergy
Vraska's Fall
79%inclusion22 decks28 decks
75%synergy
Typhoid Rats
79%inclusion22 decks28 decks
75%synergy
Ichor Rats
75%inclusion21 decks28 decks
72%synergy
Lord Skitter's Butcher
75%inclusion21 decks28 decks
72%synergy
Top Cards
Ogre Slumlord
75%inclusion21 decks28 decks
65%synergy
Ravenous Rats
71%inclusion20 decks28 decks
70%synergy
Septic Rats
71%inclusion20 decks28 decks
70%synergy
Drown in Ichor
71%inclusion20 decks28 decks
68%synergy
Nezumi Informant
68%inclusion19 decks28 decks
61%synergy
Gnat Miser
68%inclusion19 decks28 decks
65%synergy
Rancid Rats
68%inclusion19 decks28 decks
65%synergy
Lord Skitter, Sewer King
68%inclusion19 decks28 decks
60%synergy
Crypt Rats
57%inclusion16 decks28 decks
53%synergy
Rotting Rats
57%inclusion16 decks28 decks
54%synergy
Game Changers
Demonic Tutor
7.1%inclusion2 decks28 decks
-20%synergy
Necropotence
7.1%inclusion2 decks28 decks
-8%synergy
Creatures
Marrow-Gnawer
57%inclusion16 decks28 decks
54%synergy
Tangled Colony
57%inclusion16 decks28 decks
54%synergy
Drainpipe Vermin
57%inclusion16 decks28 decks
56%synergy
Chittering Skitterling
54%inclusion15 decks28 decks
53%synergy
Voracious Vermin
54%inclusion15 decks28 decks
51%synergy
Persistent Marshstalker
48%inclusion13 decks27 decks
45%synergy
Wave of Rats
46%inclusion13 decks28 decks
45%synergy
Swarm of Rats
43%inclusion12 decks28 decks
40%synergy
Nezumi Cutthroat
43%inclusion12 decks28 decks
42%synergy
Changeling Outcast
43%inclusion12 decks28 decks
38%synergy
Nashi, Moon Sage's Scion
43%inclusion12 decks28 decks
39%synergy
Ruin Rat
43%inclusion12 decks28 decks
42%synergy
Throat Slitter
39%inclusion11 decks28 decks
37%synergy
Chittering Witch
39%inclusion11 decks28 decks
35%synergy
Nezumi Prowler
39%inclusion11 decks28 decks
38%synergy
Okiba-Gang Shinobi
39%inclusion11 decks28 decks
38%synergy
Gnawing Vermin
36%inclusion10 decks28 decks
34%synergy
Rat Colony
36%inclusion10 decks28 decks
30%synergy
Refurbished Familiar
32%inclusion9 decks28 decks
30%synergy
Chittering Rats
32%inclusion9 decks28 decks
32%synergy
Locust Miser
32%inclusion9 decks28 decks
31%synergy
Twisted Sewer-Witch
32%inclusion9 decks28 decks
31%synergy
Nezumi Graverobber
29%inclusion8 decks28 decks
27%synergy
Gray Merchant of Asphodel
25%inclusion7 decks28 decks
-26%synergy
Razortooth Rats
25%inclusion7 decks28 decks
24%synergy
Nezumi Bone-Reader
25%inclusion7 decks28 decks
24%synergy
Old Flitterfang
25%inclusion7 decks28 decks
24%synergy
Engine Rat
22%inclusion5 decks23 decks
20%synergy
Mukotai Ambusher
21%inclusion6 decks28 decks
21%synergy
Nezumi Shortfang
21%inclusion6 decks28 decks
21%synergy
Ink-Eyes, Servant of Oni
21%inclusion6 decks28 decks
18%synergy
Earsplitting Rats
21%inclusion6 decks28 decks
21%synergy
Tunnel Rats
20%inclusion1 decks5 decks
20%synergy
Innocuous Rat
19%inclusion5 decks27 decks
17%synergy
Defiler of Flesh
18%inclusion5 decks28 decks
14%synergy
Ratcatcher
18%inclusion5 decks28 decks
14%synergy
Pestilence Rats
18%inclusion5 decks28 decks
16%synergy
Undercity Dire Rat
15%inclusion2 decks13 decks
14%synergy
Valley Rotcaller
15%inclusion4 decks27 decks
12%synergy
Bog Rats
14%inclusion4 decks28 decks
14%synergy
Ruthless Radrat
14%inclusion4 decks28 decks
13%synergy
Ayara, First of Locthwain
14%inclusion4 decks28 decks
-11%synergy
Nezumi Bladeblesser
14%inclusion4 decks28 decks
14%synergy
Scrib Nibblers
14%inclusion4 decks28 decks
14%synergy
Species Specialist
14%inclusion4 decks28 decks
11%synergy
Skullsnatcher
14%inclusion4 decks28 decks
14%synergy
Nezumi Linkbreaker
14%inclusion4 decks28 decks
13%synergy
Crypt Ghast
14%inclusion4 decks28 decks
-33%synergy
Thornplate Intimidator
11%inclusion3 decks27 decks
10%synergy
Daggerfang Duo
11%inclusion3 decks27 decks
10%synergy
Instants
Dark Ritual
57%inclusion16 decks28 decks
-10%synergy
Whisper of the Dross
54%inclusion15 decks28 decks
51%synergy
Village Rites
43%inclusion12 decks28 decks
17%synergy
Grim Affliction
43%inclusion12 decks28 decks
41%synergy
Anoint with Affliction
29%inclusion8 decks28 decks
28%synergy
Defile
29%inclusion8 decks28 decks
-8%synergy
Tainted Strike
29%inclusion8 decks28 decks
26%synergy
Go for the Throat
21%inclusion6 decks28 decks
-2%synergy
Murder
21%inclusion6 decks28 decks
11%synergy
Fell the Profane
18%inclusion5 decks28 decks
-1%synergy
Rat Out
18%inclusion5 decks28 decks
16%synergy
Deadly Dispute
18%inclusion5 decks28 decks
-8%synergy
Unbury
17%inclusion1 decks6 decks
16%synergy
Consuming Corruption
14%inclusion4 decks28 decks
-1%synergy
Culling the Weak
14%inclusion4 decks28 decks
-2%synergy
Virulent Wound
14%inclusion4 decks28 decks
14%synergy
Corrupted Conviction
14%inclusion4 decks28 decks
2%synergy
Withering Torment
11%inclusion3 decks27 decks
-20%synergy
Deadly Rollick
11%inclusion3 decks28 decks
-14%synergy
Imp's Mischief
11%inclusion3 decks28 decks
-14%synergy
Raise the Draugr
11%inclusion3 decks28 decks
10%synergy
Infernal Grasp
11%inclusion3 decks28 decks
-14%synergy
Malakir Rebirth
11%inclusion3 decks28 decks
-12%synergy
Plumb the Forbidden
11%inclusion3 decks28 decks
6%synergy
Tragic Slip
11%inclusion3 decks28 decks
-9%synergy
Hero's Downfall
7.1%inclusion2 decks28 decks
0%synergy
Oblivion's Hunger
7.1%inclusion2 decks28 decks
7%synergy
Battle-Rage Blessing
7.1%inclusion2 decks28 decks
6%synergy
Doom Blade
7.1%inclusion2 decks28 decks
0%synergy
Bitter Triumph
7.1%inclusion2 decks28 decks
-3%synergy
Undying Malice
7.1%inclusion2 decks28 decks
-3%synergy
Foul-Tongue Shriek
7.1%inclusion2 decks28 decks
5%synergy
Terror
7.1%inclusion2 decks28 decks
6%synergy
Bladebrand
7.1%inclusion2 decks28 decks
6%synergy
Gravepurge
7.1%inclusion2 decks28 decks
6%synergy
Breathe Your Last
7.1%inclusion2 decks28 decks
5%synergy
Sudden Spoiling
7.1%inclusion2 decks28 decks
-2%synergy
Sorceries
Phyresis Outbreak
50%inclusion14 decks28 decks
48%synergy
Crippling Fear
43%inclusion12 decks28 decks
40%synergy
Read the Bones
39%inclusion11 decks28 decks
23%synergy
Revenge of the Rats
30%inclusion8 decks27 decks
27%synergy
Vat Emergence
29%inclusion8 decks28 decks
27%synergy
Reanimate
25%inclusion7 decks28 decks
-15%synergy
Syphon Mind
25%inclusion7 decks28 decks
13%synergy
Unearth
21%inclusion6 decks28 decks
13%synergy
Mutilate
21%inclusion6 decks28 decks
5%synergy
Swarmyard Massacre
19%inclusion5 decks27 decks
16%synergy
Spread the Sickness
18%inclusion5 decks28 decks
17%synergy
Patriarch's Bidding
18%inclusion5 decks28 decks
14%synergy
Feed the Swarm
18%inclusion5 decks28 decks
-33%synergy
Sign in Blood
18%inclusion5 decks28 decks
-17%synergy
Kindred Dominance
18%inclusion5 decks28 decks
13%synergy
Bloodline Bidding
17%inclusion1 decks6 decks
12%synergy
Night's Whisper
14%inclusion4 decks28 decks
-10%synergy
Lab Rats
14%inclusion4 decks28 decks
14%synergy
Fell
11%inclusion3 decks27 decks
8%synergy
Diabolic Intent
11%inclusion3 decks28 decks
-4%synergy
Caress of Phyrexia
11%inclusion3 decks28 decks
10%synergy
Geth's Summons
11%inclusion3 decks28 decks
10%synergy
Psychic Whorl
7.4%inclusion2 decks27 decks
7%synergy
Diabolic Tutor
7.1%inclusion2 decks28 decks
-7%synergy
Plague Wind
7.1%inclusion2 decks28 decks
6%synergy
Victimize
7.1%inclusion2 decks28 decks
-20%synergy
Damnable Pact
7.1%inclusion2 decks28 decks
3%synergy
Torment of Hailfire
7.1%inclusion2 decks28 decks
-8%synergy
Forever Young
7.1%inclusion2 decks28 decks
6%synergy
Haunting Voyage
7.1%inclusion2 decks28 decks
6%synergy
Bubbling Muck
7.1%inclusion2 decks28 decks
-8%synergy
Predators' Hour
7.1%inclusion2 decks28 decks
6%synergy
Agadeem's Awakening
7.1%inclusion2 decks28 decks
0%synergy
Bone Shards
7.1%inclusion2 decks28 decks
4%synergy
Ancient Craving
7.1%inclusion2 decks28 decks
5%synergy
Walk the Plank
7.1%inclusion2 decks28 decks
7%synergy
Divest
7.1%inclusion2 decks28 decks
6%synergy
Annihilating Glare
7.1%inclusion2 decks28 decks
6%synergy
Aid the Fallen
7.1%inclusion2 decks28 decks
7%synergy
Insatiable Avarice
7.1%inclusion2 decks28 decks
-4%synergy
Toxic Deluge
7.1%inclusion2 decks28 decks
-30%synergy
Hideous Visage
7.1%inclusion2 decks28 decks
7%synergy
Phyrexian Tribute
7.1%inclusion2 decks28 decks
7%synergy
Gruesome Fate
7.1%inclusion2 decks28 decks
5%synergy
Pilfer
7.1%inclusion2 decks28 decks
5%synergy
Eaten Alive
7.1%inclusion2 decks28 decks
4%synergy
Damnation
7.1%inclusion2 decks28 decks
-13%synergy
March of the Drowned
7.1%inclusion2 decks28 decks
7%synergy
Plague of Vermin
7.1%inclusion2 decks28 decks
5%synergy
Utility Artifacts
Bontu's Monument
46%inclusion13 decks28 decks
18%synergy
Jet Medallion
39%inclusion11 decks28 decks
-23%synergy
Herald's Horn
36%inclusion10 decks28 decks
30%synergy
Contagion Clasp
29%inclusion8 decks28 decks
26%synergy
Icon of Ancestry
25%inclusion7 decks28 decks
24%synergy
Skullclamp
25%inclusion7 decks28 decks
3%synergy
Vanquisher's Banner
18%inclusion5 decks28 decks
14%synergy
Swiftfoot Boots
18%inclusion5 decks28 decks
-13%synergy
Chronicle of Victory
17%inclusion1 decks6 decks
14%synergy
Prosthetic Injector
14%inclusion4 decks28 decks
14%synergy
Whispersilk Cloak
14%inclusion4 decks28 decks
8%synergy
Geth's Grimoire
14%inclusion4 decks28 decks
7%synergy
Contagion Engine
11%inclusion3 decks28 decks
9%synergy
Mimic Vat
11%inclusion3 decks28 decks
9%synergy
Door of Destinies
11%inclusion3 decks28 decks
9%synergy
Entropic Battlecruiser
10%inclusion1 decks10 decks
7%synergy
The Darkness Crystal
7.7%inclusion1 decks13 decks
-12%synergy
Banner of Kinship
7.4%inclusion2 decks27 decks
5%synergy
Vat of Rebirth
7.1%inclusion2 decks28 decks
4%synergy
Glaring Spotlight
7.1%inclusion2 decks28 decks
6%synergy
Whip of Erebos
7.1%inclusion2 decks28 decks
-4%synergy
Trailblazer's Boots
7.1%inclusion2 decks28 decks
5%synergy
Dragon Throne of Tarkir
7.1%inclusion2 decks28 decks
7%synergy
Staff of the Death Magus
7.1%inclusion2 decks28 decks
4%synergy
Eldrazi Monument
7.1%inclusion2 decks28 decks
5%synergy
Lightning Greaves
7.1%inclusion2 decks28 decks
-26%synergy
Conjurer's Closet
7.1%inclusion2 decks28 decks
5%synergy
Thornbite Staff
7.1%inclusion2 decks28 decks
4%synergy
Specter's Shroud
7.1%inclusion2 decks28 decks
7%synergy
Grafted Exoskeleton
7.1%inclusion2 decks28 decks
6%synergy
Enchantments
Phyrexian Arena
39%inclusion11 decks28 decks
0%synergy
Necrogen Communion
39%inclusion11 decks28 decks
38%synergy
Cover of Darkness
36%inclusion10 decks28 decks
33%synergy
Oversold Cemetery
25%inclusion7 decks28 decks
20%synergy
Phyresis
21%inclusion6 decks28 decks
19%synergy
Bandit's Talent
19%inclusion5 decks27 decks
13%synergy
Lord Skitter's Blessing
18%inclusion5 decks28 decks
17%synergy
Bad Moon
18%inclusion5 decks28 decks
15%synergy
Tribute to Horobi
14%inclusion4 decks28 decks
13%synergy
The Death of Gwen Stacy
11%inclusion1 decks9 decks
11%synergy
The Meathook Massacre
11%inclusion3 decks28 decks
-7%synergy
Megrim
11%inclusion3 decks28 decks
6%synergy
Glistening Oil
11%inclusion3 decks28 decks
10%synergy
Haunted One
11%inclusion3 decks28 decks
8%synergy
Grave Pact
11%inclusion3 decks28 decks
-9%synergy
Painful Quandary
11%inclusion3 decks28 decks
1%synergy
Black Market Connections
11%inclusion3 decks28 decks
-13%synergy
Sothera, the Supervoid
9.1%inclusion1 decks11 decks
6%synergy
Waste Not
7.1%inclusion2 decks28 decks
-3%synergy
Black Market
7.1%inclusion2 decks28 decks
-14%synergy
Contamination
7.1%inclusion2 decks28 decks
4%synergy
Phyrexian Reclamation
7.1%inclusion2 decks28 decks
-3%synergy
Vampiric Rites
7.1%inclusion2 decks28 decks
1%synergy
Enslave
7.1%inclusion2 decks28 decks
7%synergy
Eternal Thirst
7.1%inclusion2 decks28 decks
5%synergy
Intimidation
7.1%inclusion2 decks28 decks
7%synergy
Dauthi Embrace
7.1%inclusion2 decks28 decks
5%synergy
Larceny
7.1%inclusion2 decks28 decks
7%synergy
Oppression
7.1%inclusion2 decks28 decks
0%synergy
Leyline of the Void
7.1%inclusion2 decks28 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
21%inclusion6 decks28 decks
19%synergy
Liliana, Waker of the Dead
7.1%inclusion2 decks28 decks
3%synergy
Utility Lands
Bojuka Bog
61%inclusion17 decks28 decks
14%synergy
Swarmyard
57%inclusion16 decks28 decks
51%synergy
Karn's Bastion
57%inclusion16 decks28 decks
53%synergy
Rogue's Passage
57%inclusion16 decks28 decks
38%synergy
Mudflat Village
52%inclusion14 decks27 decks
49%synergy
Witch's Cottage
36%inclusion10 decks28 decks
11%synergy
Three Tree City
30%inclusion8 decks27 decks
25%synergy
Access Tunnel
29%inclusion8 decks28 decks
26%synergy
Mortuary Mire
25%inclusion7 decks28 decks
12%synergy
Barren Moor
25%inclusion7 decks28 decks
15%synergy
Memorial to Folly
21%inclusion6 decks28 decks
18%synergy
Temple of the False God
21%inclusion6 decks28 decks
14%synergy
Phyrexian Tower
18%inclusion5 decks28 decks
-8%synergy
Shizo, Death's Storehouse
14%inclusion4 decks28 decks
4%synergy
Inkmoth Nexus
14%inclusion4 decks28 decks
13%synergy
Cabal Coffers
14%inclusion4 decks28 decks
-41%synergy
Urborg, Tomb of Yawgmoth
14%inclusion4 decks28 decks
-23%synergy
Secret Tunnel
13%inclusion1 decks8 decks
11%synergy
Crypt of Agadeem
11%inclusion3 decks28 decks
-1%synergy
Geier Reach Sanitarium
11%inclusion3 decks28 decks
0%synergy
The Dross Pits
11%inclusion3 decks28 decks
9%synergy
Nykthos, Shrine to Nyx
11%inclusion3 decks28 decks
-19%synergy
Susur Secundi, Void Altar
9.1%inclusion1 decks11 decks
2%synergy
Cabal Stronghold
7.1%inclusion2 decks28 decks
-27%synergy
The Black Gate
7.1%inclusion2 decks28 decks
4%synergy
Ebon Stronghold
7.1%inclusion2 decks28 decks
6%synergy
Volrath's Stronghold
7.1%inclusion2 decks28 decks
3%synergy
Minas Morgul, Dark Fortress
7.1%inclusion2 decks28 decks
4%synergy
Volatile Fault
7.1%inclusion2 decks28 decks
6%synergy
Castle Locthwain
7.1%inclusion2 decks28 decks
-10%synergy
Reliquary Tower
7.1%inclusion2 decks28 decks
-23%synergy
Field of Ruin
7.1%inclusion2 decks28 decks
5%synergy
Mana Artifacts
Sol Ring
89%inclusion25 decks28 decks
4%synergy
Arcane Signet
54%inclusion15 decks28 decks
-8%synergy
Glistening Sphere
46%inclusion13 decks28 decks
45%synergy
Patchwork Banner
33%inclusion9 decks27 decks
29%synergy
Mind Stone
32%inclusion9 decks28 decks
3%synergy
Staff of Compleation
29%inclusion8 decks28 decks
27%synergy
Charcoal Diamond
25%inclusion7 decks28 decks
3%synergy
Heraldic Banner
21%inclusion6 decks28 decks
16%synergy
Phyrexian Atlas
14%inclusion4 decks28 decks
14%synergy
Caged Sun
11%inclusion3 decks28 decks
0%synergy
The Soul Stone
10%inclusion1 decks10 decks
-5%synergy
Commander's Sphere
7.1%inclusion2 decks28 decks
-1%synergy
Throne of Eldraine
7.1%inclusion2 decks28 decks
-3%synergy
Thought Vessel
7.1%inclusion2 decks28 decks
-18%synergy
Lands
Swamp
100%inclusion28 decks28 decks
5%synergy
Path of Ancestry
46%inclusion13 decks28 decks
41%synergy
Fell the Profane
18%inclusion5 decks28 decks
-1%synergy
Command Tower
14%inclusion4 decks28 decks
9%synergy
Cavern of Souls
14%inclusion4 decks28 decks
8%synergy
Myriad Landscape
11%inclusion3 decks28 decks
-15%synergy
Malakir Rebirth
11%inclusion3 decks28 decks
-12%synergy
Evolving Wilds
11%inclusion3 decks28 decks
7%synergy
Escape Tunnel
7.1%inclusion2 decks28 decks
6%synergy
Agadeem's Awakening
7.1%inclusion2 decks28 decks
0%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