Karumonix, the Rat King (Commander) - Expensive Rats

Karumonix, the Rat King
Rank #393
89decks
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
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Emeritus of Woe
20%inclusion1 decks5 decks
12%synergy
High Synergy Cards
Marrow-Gnawer
99%inclusion88 decks89 decks
95%synergy
Blightbelly Rat
88%inclusion78 decks89 decks
84%synergy
Piper of the Swarm
90%inclusion80 decks89 decks
83%synergy
Pack Rat
88%inclusion78 decks89 decks
82%synergy
Lord Skitter, Sewer King
88%inclusion78 decks89 decks
79%synergy
Ichor Rats
81%inclusion72 decks89 decks
78%synergy
Swarmyard
83%inclusion74 decks89 decks
77%synergy
Ashcoat of the Shadow Swarm
80%inclusion71 decks89 decks
76%synergy
Rat King, Verminister
70%inclusion7 decks10 decks
67%synergy
Ogre Slumlord
76%inclusion68 decks89 decks
66%synergy
Top Cards
Dark Ritual
80%inclusion71 decks89 decks
13%synergy
Jet Medallion
79%inclusion70 decks89 decks
16%synergy
Rat King, Pale Piper
67%inclusion6 decks9 decks
63%synergy
Vraska's Fall
65%inclusion58 decks89 decks
62%synergy
Infectious Inquiry
63%inclusion56 decks89 decks
60%synergy
Septic Rats
63%inclusion56 decks89 decks
61%synergy
Bontu's Monument
62%inclusion55 decks89 decks
33%synergy
Tangled Colony
60%inclusion53 decks89 decks
56%synergy
Herald's Horn
60%inclusion53 decks89 decks
54%synergy
Typhoid Rats
58%inclusion52 decks89 decks
55%synergy
Game Changers
Demonic Tutor
73%inclusion65 decks89 decks
46%synergy
Vampiric Tutor
61%inclusion54 decks89 decks
40%synergy
Bolas's Citadel
26%inclusion23 decks89 decks
-3%synergy
Imperial Seal
20%inclusion18 decks89 decks
13%synergy
Necropotence
18%inclusion16 decks89 decks
3%synergy
Ancient Tomb
16%inclusion14 decks89 decks
4%synergy
The One Ring
10%inclusion9 decks89 decks
1%synergy
Creatures
Crypt Rats
57%inclusion51 decks89 decks
53%synergy
Rancid Rats
57%inclusion51 decks89 decks
55%synergy
Ratcatcher
55%inclusion49 decks89 decks
52%synergy
Rat Colony
54%inclusion48 decks89 decks
48%synergy
Lord Skitter's Butcher
51%inclusion45 decks89 decks
47%synergy
Gnat Miser
51%inclusion45 decks89 decks
48%synergy
Nashi, Moon Sage's Scion
51%inclusion45 decks89 decks
47%synergy
Ink-Eyes, Servant of Oni
49%inclusion44 decks89 decks
46%synergy
Burglar Rat
44%inclusion39 decks89 decks
33%synergy
Stronghold Rats
39%inclusion35 decks89 decks
36%synergy
Persistent Marshstalker
38%inclusion33 decks87 decks
35%synergy
Wave of Rats
37%inclusion33 decks89 decks
35%synergy
Ayara, First of Locthwain
36%inclusion32 decks89 decks
10%synergy
Roaming Throne
34%inclusion30 decks89 decks
31%synergy
Changeling Outcast
34%inclusion30 decks89 decks
29%synergy
Throat Slitter
33%inclusion29 decks89 decks
31%synergy
Swarm of Rats
33%inclusion29 decks89 decks
30%synergy
Voracious Vermin
31%inclusion28 decks89 decks
29%synergy
Crypt Ghast
29%inclusion26 decks89 decks
-18%synergy
Valley Rotcaller
29%inclusion25 decks87 decks
26%synergy
Locust Miser
28%inclusion25 decks89 decks
27%synergy
Species Specialist
26%inclusion23 decks89 decks
22%synergy
Nezumi Informant
26%inclusion23 decks89 decks
19%synergy
Chittering Skitterling
25%inclusion22 decks89 decks
24%synergy
Old Flitterfang
24%inclusion21 decks89 decks
22%synergy
Filth
20%inclusion18 decks89 decks
18%synergy
Gray Merchant of Asphodel
19%inclusion17 decks89 decks
-32%synergy
Chittering Witch
19%inclusion17 decks89 decks
15%synergy
Yawgmoth, Thran Physician
19%inclusion17 decks89 decks
9%synergy
Pestilence Rats
18%inclusion16 decks89 decks
16%synergy
Okiba-Gang Shinobi
17%inclusion15 decks89 decks
16%synergy
Ruin Rat
17%inclusion15 decks89 decks
16%synergy
Ruthless Radrat
16%inclusion14 decks89 decks
15%synergy
Nezumi Graverobber
15%inclusion13 decks89 decks
13%synergy
Nezumi Prowler
15%inclusion13 decks89 decks
13%synergy
Gnawing Vermin
13%inclusion12 decks89 decks
12%synergy
Adaptive Automaton
13%inclusion12 decks89 decks
12%synergy
Zodiac Rat
13%inclusion12 decks89 decks
13%synergy
Nezumi Cutthroat
12%inclusion11 decks89 decks
12%synergy
Refurbished Familiar
11%inclusion10 decks89 decks
9%synergy
Ravenous Rats
11%inclusion10 decks89 decks
10%synergy
Splinter, Hamato Yoshi
11%inclusion1 decks9 decks
11%synergy
Skithiryx, the Blight Dragon
10%inclusion9 decks89 decks
9%synergy
Relentless Rats
9.0%inclusion8 decks89 decks
7%synergy
Razortooth Rats
9.0%inclusion8 decks89 decks
8%synergy
Twisted Sewer-Witch
9.0%inclusion8 decks89 decks
8%synergy
Drainpipe Vermin
9.0%inclusion8 decks89 decks
8%synergy
Innocuous Rat
8.3%inclusion6 decks72 decks
7%synergy
Engine Rat
7.4%inclusion2 decks27 decks
6%synergy
Splinter, the Mentor
7.1%inclusion1 decks14 decks
6%synergy
Instants
Deadly Rollick
53%inclusion47 decks89 decks
28%synergy
Whisper of the Dross
35%inclusion31 decks89 decks
32%synergy
Go for the Throat
34%inclusion30 decks89 decks
11%synergy
Village Rites
30%inclusion27 decks89 decks
5%synergy
Defile
30%inclusion27 decks89 decks
-6%synergy
Tainted Strike
26%inclusion23 decks89 decks
23%synergy
Malakir Rebirth
25%inclusion22 decks89 decks
2%synergy
Fell the Profane
21%inclusion19 decks89 decks
2%synergy
Infernal Grasp
21%inclusion19 decks89 decks
-4%synergy
Deadly Dispute
20%inclusion18 decks89 decks
-6%synergy
Tragic Slip
20%inclusion18 decks89 decks
1%synergy
Withering Torment
19%inclusion14 decks72 decks
-12%synergy
Grim Affliction
18%inclusion16 decks89 decks
16%synergy
Cabal Ritual
17%inclusion15 decks89 decks
-2%synergy
Anoint with Affliction
16%inclusion14 decks89 decks
15%synergy
Sudden Spoiling
16%inclusion14 decks89 decks
7%synergy
Rat Out
13%inclusion12 decks89 decks
12%synergy
Culling the Weak
12%inclusion11 decks89 decks
-5%synergy
Corrupted Conviction
12%inclusion11 decks89 decks
-0%synergy
Imp's Mischief
11%inclusion10 decks89 decks
-14%synergy
Doom Blade
11%inclusion10 decks89 decks
4%synergy
Sheoldred's Edict
10%inclusion9 decks89 decks
-5%synergy
Snuff Out
10%inclusion9 decks89 decks
-3%synergy
Withering Boon
10%inclusion9 decks89 decks
6%synergy
Bitter Triumph
10%inclusion9 decks89 decks
0%synergy
Foul-Tongue Shriek
10%inclusion9 decks89 decks
8%synergy
Hero's Downfall
9.0%inclusion8 decks89 decks
2%synergy
Murder
9.0%inclusion8 decks89 decks
-1%synergy
Dismember
9.0%inclusion8 decks89 decks
-1%synergy
Entomb
7.9%inclusion7 decks89 decks
-4%synergy
Not Dead After All
5.6%inclusion5 decks89 decks
-6%synergy
Flare of Malice
5.6%inclusion5 decks89 decks
-8%synergy
Darkness
5.6%inclusion5 decks89 decks
-4%synergy
Baleful Mastery
5.6%inclusion5 decks89 decks
-3%synergy
Sorceries
Phyresis Outbreak
57%inclusion51 decks89 decks
56%synergy
Drown in Ichor
49%inclusion44 decks89 decks
46%synergy
Feed the Swarm
46%inclusion41 decks89 decks
-4%synergy
Kindred Dominance
42%inclusion37 decks89 decks
37%synergy
Bloodline Bidding
36%inclusion4 decks11 decks
32%synergy
Swarmyard Massacre
36%inclusion30 decks84 decks
33%synergy
Patriarch's Bidding
35%inclusion31 decks89 decks
31%synergy
Damnation
35%inclusion31 decks89 decks
15%synergy
Toxic Deluge
30%inclusion27 decks89 decks
-6%synergy
Reanimate
29%inclusion26 decks89 decks
-11%synergy
Plague of Vermin
27%inclusion24 decks89 decks
25%synergy
Revenge of the Rats
25%inclusion13 decks53 decks
21%synergy
Shredder's Technique
22%inclusion2 decks9 decks
19%synergy
Diabolic Intent
18%inclusion16 decks89 decks
3%synergy
Sign in Blood
17%inclusion15 decks89 decks
-18%synergy
Grim Tutor
17%inclusion15 decks89 decks
5%synergy
Unearth
16%inclusion14 decks89 decks
7%synergy
Vat Emergence
15%inclusion13 decks89 decks
13%synergy
Victimize
13%inclusion12 decks89 decks
-14%synergy
Crippling Fear
13%inclusion12 decks89 decks
11%synergy
Bubbling Muck
12%inclusion11 decks89 decks
-3%synergy
Blasphemous Edict
11%inclusion6 decks53 decks
-5%synergy
Haunting Voyage
11%inclusion10 decks89 decks
10%synergy
Gruesome Fate
11%inclusion10 decks89 decks
9%synergy
Exsanguinate
10%inclusion9 decks89 decks
-15%synergy
Geth's Summons
10%inclusion9 decks89 decks
10%synergy
Pact of the Serpent
10%inclusion9 decks89 decks
8%synergy
Echoing Return
9.0%inclusion8 decks89 decks
6%synergy
Spread the Sickness
7.9%inclusion7 decks89 decks
7%synergy
Diabolic Tutor
7.9%inclusion7 decks89 decks
-6%synergy
Torment of Hailfire
7.9%inclusion7 decks89 decks
-7%synergy
Agadeem's Awakening
7.9%inclusion7 decks89 decks
0%synergy
Read the Bones
7.9%inclusion7 decks89 decks
-9%synergy
Insatiable Avarice
7.9%inclusion7 decks89 decks
-3%synergy
Night's Whisper
6.7%inclusion6 decks89 decks
-18%synergy
Beseech the Mirror
6.7%inclusion6 decks89 decks
-0%synergy
Mutilate
5.6%inclusion5 decks89 decks
-11%synergy
Caress of Phyrexia
5.6%inclusion5 decks89 decks
5%synergy
Utility Artifacts
Skullclamp
54%inclusion48 decks89 decks
32%synergy
Vanquisher's Banner
34%inclusion30 decks89 decks
30%synergy
Contagion Engine
26%inclusion23 decks89 decks
24%synergy
The Darkness Crystal
25%inclusion4 decks16 decks
5%synergy
Lightning Greaves
24%inclusion21 decks89 decks
-10%synergy
Coat of Arms
19%inclusion17 decks89 decks
16%synergy
Chronicle of Victory
18%inclusion2 decks11 decks
15%synergy
Thornbite Staff
18%inclusion16 decks89 decks
15%synergy
Swiftfoot Boots
17%inclusion15 decks89 decks
-14%synergy
Door of Destinies
16%inclusion14 decks89 decks
14%synergy
Thrumming Stone
16%inclusion14 decks89 decks
12%synergy
Contagion Clasp
15%inclusion13 decks89 decks
12%synergy
Sword of Truth and Justice
15%inclusion13 decks89 decks
14%synergy
Whip of Erebos
13%inclusion12 decks89 decks
3%synergy
Ashnod's Altar
12%inclusion11 decks89 decks
-7%synergy
Grafted Exoskeleton
12%inclusion11 decks89 decks
11%synergy
Banner of Kinship
11%inclusion6 decks54 decks
9%synergy
Expedition Map
10%inclusion9 decks89 decks
-1%synergy
Eldrazi Monument
10%inclusion9 decks89 decks
8%synergy
Akroma's Memorial
9.0%inclusion8 decks89 decks
8%synergy
Phyrexian Altar
5.6%inclusion5 decks89 decks
-8%synergy
Urza's Incubator
5.6%inclusion5 decks89 decks
4%synergy
Dolmen Gate
5.6%inclusion5 decks89 decks
5%synergy
Obelisk of Urd
5.6%inclusion5 decks89 decks
5%synergy
Enchantments
Cover of Darkness
57%inclusion51 decks89 decks
54%synergy
Phyrexian Arena
48%inclusion43 decks89 decks
9%synergy
Grave Pact
46%inclusion41 decks89 decks
27%synergy
Black Market Connections
46%inclusion41 decks89 decks
22%synergy
Haunted One
30%inclusion27 decks89 decks
28%synergy
Necrogen Communion
28%inclusion25 decks89 decks
26%synergy
Black Market
22%inclusion20 decks89 decks
2%synergy
Oversold Cemetery
21%inclusion19 decks89 decks
16%synergy
The Meathook Massacre
20%inclusion18 decks89 decks
3%synergy
Dictate of Erebos
16%inclusion14 decks89 decks
5%synergy
Phyresis
15%inclusion13 decks89 decks
13%synergy
Bad Moon
15%inclusion13 decks89 decks
11%synergy
Phyrexian Reclamation
9.0%inclusion8 decks89 decks
-1%synergy
Vampiric Rites
9.0%inclusion8 decks89 decks
3%synergy
Dark Prophecy
7.9%inclusion7 decks89 decks
4%synergy
Glistening Oil
6.7%inclusion6 decks89 decks
6%synergy
Exquisite Blood
6.7%inclusion6 decks89 decks
-6%synergy
Lord Skitter's Blessing
6.7%inclusion6 decks89 decks
6%synergy
Sothera, the Supervoid
6.7%inclusion1 decks15 decks
4%synergy
Sanguine Bond
5.6%inclusion5 decks89 decks
-6%synergy
No Mercy
5.6%inclusion5 decks89 decks
-2%synergy
Animate Dead
5.6%inclusion5 decks89 decks
-12%synergy
Meathook Massacre II
5.4%inclusion4 decks74 decks
-1%synergy
Planeswalkers
Vraska, Betrayal's Sting
44%inclusion39 decks89 decks
41%synergy
Liliana of the Dark Realms
20%inclusion18 decks89 decks
6%synergy
Utility Lands
Cabal Coffers
91%inclusion81 decks89 decks
36%synergy
Urborg, Tomb of Yawgmoth
80%inclusion71 decks89 decks
42%synergy
Nykthos, Shrine to Nyx
76%inclusion68 decks89 decks
47%synergy
Bojuka Bog
69%inclusion61 decks89 decks
22%synergy
Karn's Bastion
67%inclusion60 decks89 decks
64%synergy
Cabal Stronghold
64%inclusion57 decks89 decks
30%synergy
Phyrexian Tower
56%inclusion50 decks89 decks
30%synergy
Three Tree City
49%inclusion43 decks87 decks
45%synergy
Mudflat Village
41%inclusion36 decks88 decks
38%synergy
Shizo, Death's Storehouse
39%inclusion35 decks89 decks
29%synergy
Reliquary Tower
38%inclusion34 decks89 decks
8%synergy
Rogue's Passage
37%inclusion33 decks89 decks
18%synergy
Witch's Cottage
33%inclusion29 decks89 decks
8%synergy
War Room
33%inclusion29 decks89 decks
17%synergy
Castle Locthwain
29%inclusion26 decks89 decks
12%synergy
Takenuma, Abandoned Mire
28%inclusion25 decks89 decks
12%synergy
Secret Tunnel
23%inclusion3 decks13 decks
22%synergy
Crypt of Agadeem
22%inclusion20 decks89 decks
11%synergy
Mortuary Mire
21%inclusion19 decks89 decks
8%synergy
Minas Morgul, Dark Fortress
18%inclusion16 decks89 decks
15%synergy
Inkmoth Nexus
17%inclusion15 decks89 decks
16%synergy
Access Tunnel
13%inclusion12 decks89 decks
11%synergy
Midgar, City of Mako
13%inclusion2 decks16 decks
2%synergy
Urza's Saga
12%inclusion11 decks89 decks
4%synergy
The Black Gate
10%inclusion9 decks89 decks
7%synergy
Lake of the Dead
10%inclusion9 decks89 decks
5%synergy
Mutavault
7.9%inclusion7 decks89 decks
7%synergy
Volrath's Stronghold
6.7%inclusion6 decks89 decks
3%synergy
Leechridden Swamp
6.7%inclusion6 decks89 decks
4%synergy
Susur Secundi, Void Altar
6.7%inclusion1 decks15 decks
-1%synergy
Barren Moor
5.6%inclusion5 decks89 decks
-4%synergy
Strip Mine
5.6%inclusion5 decks89 decks
3%synergy
Mana Artifacts
Sol Ring
91%inclusion81 decks89 decks
5%synergy
Glistening Sphere
52%inclusion46 decks89 decks
51%synergy
Arcane Signet
48%inclusion43 decks89 decks
-13%synergy
The Soul Stone
40%inclusion6 decks15 decks
25%synergy
Patchwork Banner
26%inclusion22 decks86 decks
21%synergy
Staff of Compleation
20%inclusion18 decks89 decks
19%synergy
Throne of Eldraine
20%inclusion18 decks89 decks
11%synergy
Charcoal Diamond
19%inclusion17 decks89 decks
-3%synergy
Thought Vessel
11%inclusion10 decks89 decks
-14%synergy
Caged Sun
10%inclusion9 decks89 decks
-1%synergy
Firdoch Core
9.1%inclusion1 decks11 decks
9%synergy
Mind Stone
7.9%inclusion7 decks89 decks
-21%synergy
Nyx Lotus
7.9%inclusion7 decks89 decks
2%synergy
White Lotus Tile
7.7%inclusion1 decks13 decks
7%synergy
Commander's Sphere
6.7%inclusion6 decks89 decks
-1%synergy
Heraldic Banner
6.7%inclusion6 decks89 decks
1%synergy
Extraplanar Lens
6.7%inclusion6 decks89 decks
2%synergy
Mox Amber
5.6%inclusion5 decks89 decks
1%synergy
Phyrexian Atlas
5.6%inclusion5 decks89 decks
5%synergy
Sceptre of Eternal Glory
5.6%inclusion5 decks89 decks
-2%synergy
Lands
Swamp
92%inclusion82 decks89 decks
-3%synergy
Cavern of Souls
65%inclusion58 decks89 decks
58%synergy
Path of Ancestry
37%inclusion33 decks89 decks
32%synergy
Malakir Rebirth
25%inclusion22 decks89 decks
2%synergy
Fell the Profane
21%inclusion19 decks89 decks
2%synergy
Myriad Landscape
19%inclusion17 decks89 decks
-6%synergy
Command Tower
16%inclusion14 decks89 decks
10%synergy
Snow-Covered Swamp
13%inclusion12 decks89 decks
7%synergy
Big Apple, 3 a.m.
11%inclusion1 decks9 decks
9%synergy
Agadeem's Awakening
7.9%inclusion7 decks89 decks
0%synergy
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