Karumonix, the Rat King (Commander) - Expensive Rats

Karumonix, the Rat King
Rank #384
107decks
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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Rat King, Verminister
71%inclusion5 decks7 decks
68%synergy
Rat King, Pale Piper
67%inclusion4 decks6 decks
62%synergy
Shredder's Technique
33%inclusion2 decks6 decks
30%synergy
High Synergy Cards
Marrow-Gnawer
98%inclusion105 decks107 decks
95%synergy
Pack Rat
90%inclusion96 decks107 decks
84%synergy
Piper of the Swarm
90%inclusion96 decks107 decks
83%synergy
Blightbelly Rat
86%inclusion92 decks107 decks
82%synergy
Ichor Rats
81%inclusion87 decks107 decks
78%synergy
Lord Skitter, Sewer King
84%inclusion90 decks107 decks
76%synergy
Swarmyard
81%inclusion87 decks107 decks
76%synergy
Ashcoat of the Shadow Swarm
79%inclusion84 decks107 decks
75%synergy
Ogre Slumlord
75%inclusion80 decks107 decks
65%synergy
Septic Rats
64%inclusion69 decks107 decks
63%synergy
Top Cards
Dark Ritual
80%inclusion86 decks107 decks
14%synergy
Jet Medallion
79%inclusion84 decks107 decks
17%synergy
Bontu's Monument
64%inclusion69 decks107 decks
36%synergy
Infectious Inquiry
63%inclusion67 decks107 decks
60%synergy
Herald's Horn
62%inclusion66 decks107 decks
56%synergy
Rancid Rats
61%inclusion65 decks107 decks
58%synergy
Vraska's Fall
60%inclusion64 decks107 decks
56%synergy
Typhoid Rats
59%inclusion63 decks107 decks
55%synergy
Rat Colony
58%inclusion62 decks107 decks
52%synergy
Deadly Rollick
55%inclusion59 decks107 decks
31%synergy
Game Changers
Demonic Tutor
79%inclusion84 decks107 decks
51%synergy
Vampiric Tutor
71%inclusion76 decks107 decks
50%synergy
Bolas's Citadel
27%inclusion29 decks107 decks
-2%synergy
Imperial Seal
21%inclusion22 decks107 decks
14%synergy
Necropotence
18%inclusion19 decks107 decks
3%synergy
Ancient Tomb
17%inclusion18 decks107 decks
5%synergy
The One Ring
10%inclusion11 decks107 decks
1%synergy
Chrome Mox
6.5%inclusion7 decks107 decks
1%synergy
Mox Diamond
5.6%inclusion6 decks107 decks
2%synergy
Creatures
Tangled Colony
55%inclusion59 decks107 decks
52%synergy
Crypt Rats
54%inclusion58 decks107 decks
50%synergy
Ratcatcher
51%inclusion55 decks107 decks
48%synergy
Nashi, Moon Sage's Scion
51%inclusion55 decks107 decks
47%synergy
Gnat Miser
50%inclusion54 decks107 decks
48%synergy
Lord Skitter's Butcher
50%inclusion53 decks107 decks
46%synergy
Ink-Eyes, Servant of Oni
50%inclusion53 decks107 decks
46%synergy
Burglar Rat
47%inclusion50 decks107 decks
36%synergy
Stronghold Rats
45%inclusion48 decks107 decks
41%synergy
Wave of Rats
37%inclusion40 decks107 decks
36%synergy
Persistent Marshstalker
36%inclusion30 decks84 decks
33%synergy
Roaming Throne
36%inclusion38 decks107 decks
33%synergy
Swarm of Rats
36%inclusion38 decks107 decks
33%synergy
Changeling Outcast
36%inclusion38 decks107 decks
30%synergy
Throat Slitter
35%inclusion37 decks107 decks
33%synergy
Ayara, First of Locthwain
31%inclusion33 decks107 decks
5%synergy
Voracious Vermin
30%inclusion32 decks107 decks
27%synergy
Nezumi Informant
30%inclusion32 decks107 decks
23%synergy
Species Specialist
29%inclusion31 decks107 decks
25%synergy
Locust Miser
29%inclusion31 decks107 decks
27%synergy
Crypt Ghast
29%inclusion31 decks107 decks
-19%synergy
Valley Rotcaller
26%inclusion22 decks84 decks
24%synergy
Chittering Skitterling
21%inclusion23 decks107 decks
21%synergy
Old Flitterfang
21%inclusion22 decks107 decks
19%synergy
Gray Merchant of Asphodel
20%inclusion21 decks107 decks
-31%synergy
Ruthless Radrat
19%inclusion20 decks107 decks
18%synergy
Filth
19%inclusion20 decks107 decks
16%synergy
Chittering Witch
19%inclusion20 decks107 decks
14%synergy
Yawgmoth, Thran Physician
19%inclusion20 decks107 decks
9%synergy
Ruin Rat
18%inclusion19 decks107 decks
16%synergy
Nezumi Prowler
16%inclusion17 decks107 decks
14%synergy
Okiba-Gang Shinobi
16%inclusion17 decks107 decks
15%synergy
Ravenous Rats
15%inclusion16 decks107 decks
13%synergy
Pestilence Rats
15%inclusion16 decks107 decks
13%synergy
Nezumi Graverobber
14%inclusion15 decks107 decks
13%synergy
Zodiac Rat
13%inclusion14 decks107 decks
13%synergy
Nezumi Cutthroat
13%inclusion14 decks107 decks
12%synergy
Gnawing Vermin
12%inclusion13 decks107 decks
11%synergy
Adaptive Automaton
12%inclusion13 decks107 decks
11%synergy
Twisted Sewer-Witch
12%inclusion13 decks107 decks
11%synergy
Rotting Rats
10%inclusion11 decks107 decks
7%synergy
Razortooth Rats
10%inclusion11 decks107 decks
10%synergy
Refurbished Familiar
10%inclusion9 decks92 decks
8%synergy
Relentless Rats
9.3%inclusion10 decks107 decks
8%synergy
Skullsnatcher
9.3%inclusion10 decks107 decks
9%synergy
Drainpipe Vermin
9.3%inclusion10 decks107 decks
8%synergy
Patron of the Nezumi
8.4%inclusion9 decks107 decks
8%synergy
Skithiryx, the Blight Dragon
8.4%inclusion9 decks107 decks
7%synergy
Engine Rat
8.0%inclusion2 decks25 decks
6%synergy
Innocuous Rat
7.1%inclusion5 decks70 decks
6%synergy
Instants
Whisper of the Dross
36%inclusion39 decks107 decks
34%synergy
Village Rites
32%inclusion34 decks107 decks
6%synergy
Go for the Throat
31%inclusion33 decks107 decks
8%synergy
Defile
27%inclusion29 decks107 decks
-9%synergy
Infernal Grasp
26%inclusion28 decks107 decks
1%synergy
Tainted Strike
24%inclusion26 decks107 decks
21%synergy
Malakir Rebirth
22%inclusion24 decks107 decks
0%synergy
Fell the Profane
19%inclusion18 decks95 decks
0%synergy
Deadly Dispute
19%inclusion20 decks107 decks
-7%synergy
Grim Affliction
17%inclusion18 decks107 decks
15%synergy
Tragic Slip
17%inclusion18 decks107 decks
-3%synergy
Cabal Ritual
16%inclusion17 decks107 decks
-2%synergy
Withering Torment
14%inclusion10 decks70 decks
-17%synergy
Rat Out
14%inclusion15 decks107 decks
13%synergy
Corrupted Conviction
14%inclusion15 decks107 decks
1%synergy
Sudden Spoiling
13%inclusion14 decks107 decks
4%synergy
Anoint with Affliction
11%inclusion12 decks107 decks
11%synergy
Doom Blade
10%inclusion11 decks107 decks
3%synergy
Culling the Weak
10%inclusion11 decks107 decks
-6%synergy
Bitter Triumph
10%inclusion11 decks107 decks
1%synergy
Murder
10%inclusion11 decks107 decks
0%synergy
Dismember
10%inclusion11 decks107 decks
0%synergy
Imp's Mischief
9.3%inclusion10 decks107 decks
-15%synergy
Sheoldred's Edict
8.4%inclusion9 decks107 decks
-6%synergy
Snuff Out
8.4%inclusion9 decks107 decks
-5%synergy
Foul-Tongue Shriek
8.4%inclusion9 decks107 decks
7%synergy
Hero's Downfall
7.5%inclusion8 decks107 decks
1%synergy
Entomb
7.5%inclusion8 decks107 decks
-5%synergy
Baleful Mastery
6.5%inclusion7 decks107 decks
-2%synergy
Flare of Malice
6.3%inclusion6 decks95 decks
-7%synergy
Not Dead After All
5.6%inclusion6 decks107 decks
-6%synergy
Withering Boon
5.6%inclusion6 decks107 decks
1%synergy
Raise the Draugr
5.6%inclusion6 decks107 decks
5%synergy
Gravepurge
5.6%inclusion6 decks107 decks
4%synergy
Sorceries
Phyresis Outbreak
54%inclusion58 decks107 decks
52%synergy
Drown in Ichor
51%inclusion55 decks107 decks
48%synergy
Feed the Swarm
47%inclusion50 decks107 decks
-4%synergy
Patriarch's Bidding
36%inclusion39 decks107 decks
32%synergy
Kindred Dominance
36%inclusion39 decks107 decks
32%synergy
Damnation
36%inclusion38 decks107 decks
15%synergy
Swarmyard Massacre
35%inclusion28 decks81 decks
32%synergy
Bloodline Bidding
33%inclusion3 decks9 decks
29%synergy
Toxic Deluge
31%inclusion33 decks107 decks
-6%synergy
Reanimate
28%inclusion30 decks107 decks
-12%synergy
Plague of Vermin
24%inclusion26 decks107 decks
22%synergy
Revenge of the Rats
24%inclusion12 decks50 decks
21%synergy
Sign in Blood
21%inclusion22 decks107 decks
-15%synergy
Diabolic Intent
20%inclusion21 decks107 decks
5%synergy
Grim Tutor
17%inclusion18 decks107 decks
5%synergy
Crippling Fear
16%inclusion17 decks107 decks
13%synergy
Unearth
15%inclusion16 decks107 decks
6%synergy
Vat Emergence
13%inclusion14 decks107 decks
12%synergy
Haunting Voyage
12%inclusion13 decks107 decks
11%synergy
Bubbling Muck
12%inclusion13 decks107 decks
-3%synergy
Blasphemous Edict
12%inclusion6 decks50 decks
-5%synergy
Pact of the Serpent
11%inclusion12 decks107 decks
9%synergy
Victimize
10%inclusion11 decks107 decks
-16%synergy
Echoing Return
10%inclusion11 decks107 decks
7%synergy
Geth's Summons
10%inclusion11 decks107 decks
10%synergy
Read the Bones
9.3%inclusion10 decks107 decks
-8%synergy
Night's Whisper
9.3%inclusion10 decks107 decks
-15%synergy
Exsanguinate
9.3%inclusion10 decks107 decks
-15%synergy
Insatiable Avarice
9.3%inclusion10 decks107 decks
-2%synergy
Spread the Sickness
8.4%inclusion9 decks107 decks
8%synergy
Agadeem's Awakening
8.4%inclusion9 decks107 decks
1%synergy
Gruesome Fate
8.4%inclusion9 decks107 decks
6%synergy
Diabolic Tutor
7.5%inclusion8 decks107 decks
-7%synergy
Torment of Hailfire
7.5%inclusion8 decks107 decks
-8%synergy
Lab Rats
7.5%inclusion8 decks107 decks
7%synergy
Beseech the Mirror
6.5%inclusion7 decks107 decks
0%synergy
Mutilate
5.6%inclusion6 decks107 decks
-12%synergy
Caress of Phyrexia
5.6%inclusion6 decks107 decks
5%synergy
Strategic Betrayal
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Skullclamp
50%inclusion54 decks107 decks
28%synergy
Vanquisher's Banner
36%inclusion38 decks107 decks
32%synergy
Contagion Engine
25%inclusion27 decks107 decks
23%synergy
Lightning Greaves
22%inclusion24 decks107 decks
-11%synergy
The Darkness Crystal
20%inclusion3 decks15 decks
0%synergy
Coat of Arms
19%inclusion20 decks107 decks
16%synergy
Swiftfoot Boots
18%inclusion19 decks107 decks
-14%synergy
Ashnod's Altar
16%inclusion17 decks107 decks
-4%synergy
Sword of Truth and Justice
16%inclusion17 decks107 decks
15%synergy
Thrumming Stone
16%inclusion17 decks107 decks
12%synergy
Contagion Clasp
15%inclusion16 decks107 decks
13%synergy
Whip of Erebos
15%inclusion16 decks107 decks
4%synergy
Door of Destinies
13%inclusion14 decks107 decks
11%synergy
Thornbite Staff
13%inclusion14 decks107 decks
10%synergy
Eldrazi Monument
11%inclusion12 decks107 decks
10%synergy
Akroma's Memorial
10%inclusion11 decks107 decks
9%synergy
Grafted Exoskeleton
10%inclusion11 decks107 decks
9%synergy
Expedition Map
9.3%inclusion10 decks107 decks
-2%synergy
Banner of Kinship
7.7%inclusion4 decks52 decks
5%synergy
Urza's Incubator
7.5%inclusion8 decks107 decks
5%synergy
Phyrexian Altar
5.6%inclusion6 decks107 decks
-8%synergy
Enchantments
Cover of Darkness
52%inclusion56 decks107 decks
49%synergy
Phyrexian Arena
50%inclusion54 decks107 decks
11%synergy
Black Market Connections
49%inclusion52 decks107 decks
25%synergy
Grave Pact
41%inclusion44 decks107 decks
22%synergy
Haunted One
32%inclusion34 decks107 decks
29%synergy
Necrogen Communion
29%inclusion31 decks107 decks
27%synergy
The Meathook Massacre
23%inclusion25 decks107 decks
6%synergy
Black Market
21%inclusion23 decks107 decks
0%synergy
Oversold Cemetery
18%inclusion19 decks107 decks
12%synergy
Bad Moon
16%inclusion17 decks107 decks
13%synergy
Phyresis
15%inclusion16 decks107 decks
13%synergy
Dictate of Erebos
12%inclusion13 decks107 decks
1%synergy
Phyrexian Reclamation
8.4%inclusion9 decks107 decks
-2%synergy
Vampiric Rites
8.4%inclusion9 decks107 decks
2%synergy
Exquisite Blood
7.5%inclusion8 decks107 decks
-6%synergy
No Mercy
7.5%inclusion8 decks107 decks
0%synergy
Dark Prophecy
7.5%inclusion8 decks107 decks
4%synergy
Sothera, the Supervoid
7.1%inclusion1 decks14 decks
4%synergy
Tribute to Horobi
6.5%inclusion7 decks107 decks
6%synergy
Animate Dead
6.5%inclusion7 decks107 decks
-11%synergy
Glistening Oil
5.6%inclusion6 decks107 decks
5%synergy
Sanguine Bond
5.6%inclusion6 decks107 decks
-6%synergy
Lord Skitter's Blessing
5.6%inclusion6 decks107 decks
5%synergy
Meathook Massacre II
5.6%inclusion4 decks72 decks
-1%synergy
Planeswalkers
Vraska, Betrayal's Sting
44%inclusion47 decks107 decks
41%synergy
Liliana of the Dark Realms
17%inclusion18 decks107 decks
3%synergy
Utility Lands
Cabal Coffers
92%inclusion98 decks107 decks
37%synergy
Urborg, Tomb of Yawgmoth
79%inclusion84 decks107 decks
41%synergy
Nykthos, Shrine to Nyx
71%inclusion76 decks107 decks
41%synergy
Karn's Bastion
64%inclusion69 decks107 decks
61%synergy
Bojuka Bog
63%inclusion67 decks107 decks
16%synergy
Cabal Stronghold
61%inclusion65 decks107 decks
26%synergy
Phyrexian Tower
52%inclusion56 decks107 decks
27%synergy
Three Tree City
46%inclusion39 decks84 decks
42%synergy
Shizo, Death's Storehouse
39%inclusion42 decks107 decks
29%synergy
Mudflat Village
38%inclusion32 decks84 decks
35%synergy
Rogue's Passage
35%inclusion37 decks107 decks
16%synergy
Takenuma, Abandoned Mire
31%inclusion33 decks107 decks
15%synergy
Reliquary Tower
31%inclusion33 decks107 decks
0%synergy
Witch's Cottage
30%inclusion32 decks107 decks
5%synergy
Castle Locthwain
28%inclusion30 decks107 decks
11%synergy
War Room
25%inclusion27 decks107 decks
9%synergy
Crypt of Agadeem
24%inclusion26 decks107 decks
13%synergy
Mortuary Mire
20%inclusion21 decks107 decks
6%synergy
Inkmoth Nexus
18%inclusion19 decks107 decks
17%synergy
Secret Tunnel
17%inclusion2 decks12 decks
15%synergy
Minas Morgul, Dark Fortress
14%inclusion15 decks107 decks
11%synergy
Access Tunnel
14%inclusion15 decks107 decks
11%synergy
Midgar, City of Mako
13%inclusion2 decks15 decks
2%synergy
Urza's Saga
11%inclusion12 decks107 decks
3%synergy
Lake of the Dead
10%inclusion11 decks107 decks
5%synergy
The Black Gate
9.3%inclusion10 decks107 decks
6%synergy
Mutavault
8.4%inclusion9 decks107 decks
8%synergy
Leechridden Swamp
7.5%inclusion8 decks107 decks
5%synergy
Susur Secundi, Void Altar
7.1%inclusion1 decks14 decks
0%synergy
Volrath's Stronghold
6.5%inclusion7 decks107 decks
3%synergy
Westvale Abbey
5.6%inclusion6 decks107 decks
-1%synergy
Mana Artifacts
Sol Ring
89%inclusion95 decks107 decks
3%synergy
Glistening Sphere
52%inclusion56 decks107 decks
51%synergy
Arcane Signet
51%inclusion55 decks107 decks
-10%synergy
The Soul Stone
29%inclusion4 decks14 decks
14%synergy
Patchwork Banner
24%inclusion20 decks83 decks
20%synergy
Staff of Compleation
22%inclusion24 decks107 decks
21%synergy
Firdoch Core
22%inclusion2 decks9 decks
22%synergy
Throne of Eldraine
21%inclusion22 decks107 decks
11%synergy
Charcoal Diamond
14%inclusion15 decks107 decks
-8%synergy
Jeweled Lotus
14%inclusion15 decks107 decks
13%synergy
Caged Sun
13%inclusion14 decks107 decks
2%synergy
Mana Crypt
10%inclusion11 decks107 decks
9%synergy
White Lotus Tile
8.3%inclusion1 decks12 decks
8%synergy
Thought Vessel
7.5%inclusion8 decks107 decks
-18%synergy
Nyx Lotus
7.5%inclusion8 decks107 decks
1%synergy
Commander's Sphere
6.5%inclusion7 decks107 decks
-2%synergy
Mind Stone
6.5%inclusion7 decks107 decks
-23%synergy
Heraldic Banner
5.6%inclusion6 decks107 decks
0%synergy
Mox Amber
5.6%inclusion6 decks107 decks
1%synergy
Sceptre of Eternal Glory
5.6%inclusion6 decks107 decks
-3%synergy
Extraplanar Lens
5.6%inclusion6 decks107 decks
1%synergy
Lands
Swamp
91%inclusion97 decks107 decks
-4%synergy
Cavern of Souls
59%inclusion63 decks107 decks
52%synergy
Path of Ancestry
35%inclusion37 decks107 decks
29%synergy
Malakir Rebirth
22%inclusion24 decks107 decks
0%synergy
Myriad Landscape
21%inclusion22 decks107 decks
-5%synergy
Fell the Profane
19%inclusion18 decks95 decks
0%synergy
Command Tower
16%inclusion17 decks107 decks
10%synergy
Snow-Covered Swamp
13%inclusion14 decks107 decks
7%synergy
Agadeem's Awakening
8.4%inclusion9 decks107 decks
1%synergy
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