Karumonix, the Rat King (Commander) - Expensive Infect

Karumonix, the Rat King
Rank #399
49decks
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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Marrow-Gnawer
98%inclusion48 decks49 decks
95%synergy
Swarmyard
96%inclusion47 decks49 decks
90%synergy
Piper of the Swarm
92%inclusion45 decks49 decks
85%synergy
Blightbelly Rat
84%inclusion41 decks49 decks
80%synergy
Ashcoat of the Shadow Swarm
78%inclusion38 decks49 decks
74%synergy
Infectious Inquiry
76%inclusion37 decks49 decks
73%synergy
Pack Rat
78%inclusion38 decks49 decks
72%synergy
Lord Skitter, Sewer King
80%inclusion39 decks49 decks
71%synergy
Ichor Rats
71%inclusion35 decks49 decks
69%synergy
Ogre Slumlord
78%inclusion38 decks49 decks
68%synergy
Top Cards
Jet Medallion
82%inclusion40 decks49 decks
19%synergy
Dark Ritual
78%inclusion38 decks49 decks
11%synergy
Vraska's Fall
67%inclusion33 decks49 decks
64%synergy
Phyresis Outbreak
67%inclusion33 decks49 decks
66%synergy
Cover of Darkness
65%inclusion32 decks49 decks
62%synergy
Septic Rats
61%inclusion30 decks49 decks
59%synergy
Vraska, Betrayal's Sting
59%inclusion29 decks49 decks
57%synergy
Bontu's Monument
57%inclusion28 decks49 decks
29%synergy
Herald's Horn
57%inclusion28 decks49 decks
51%synergy
Drown in Ichor
53%inclusion26 decks49 decks
49%synergy
Game Changers
Demonic Tutor
69%inclusion34 decks49 decks
42%synergy
Vampiric Tutor
55%inclusion27 decks49 decks
34%synergy
Bolas's Citadel
27%inclusion13 decks49 decks
-2%synergy
Imperial Seal
18%inclusion9 decks49 decks
11%synergy
Ancient Tomb
14%inclusion7 decks49 decks
3%synergy
Necropotence
14%inclusion7 decks49 decks
-0%synergy
The One Ring
6.1%inclusion3 decks49 decks
-3%synergy
Chrome Mox
6.1%inclusion3 decks49 decks
0%synergy
Creatures
Lord Skitter's Butcher
51%inclusion25 decks49 decks
48%synergy
Rancid Rats
51%inclusion25 decks49 decks
49%synergy
Ratcatcher
49%inclusion24 decks49 decks
46%synergy
Crypt Ghast
45%inclusion22 decks49 decks
-2%synergy
Rat Colony
43%inclusion21 decks49 decks
37%synergy
Tangled Colony
41%inclusion20 decks49 decks
38%synergy
Crypt Rats
39%inclusion19 decks49 decks
34%synergy
Stronghold Rats
37%inclusion18 decks49 decks
33%synergy
Ayara, First of Locthwain
35%inclusion17 decks49 decks
9%synergy
Changeling Outcast
35%inclusion17 decks49 decks
30%synergy
Typhoid Rats
35%inclusion17 decks49 decks
31%synergy
Rat King, Verminister
33%inclusion5 decks15 decks
30%synergy
Persistent Marshstalker
33%inclusion16 decks49 decks
30%synergy
Nashi, Moon Sage's Scion
33%inclusion16 decks49 decks
29%synergy
Gnat Miser
33%inclusion16 decks49 decks
30%synergy
Yawgmoth, Thran Physician
31%inclusion15 decks49 decks
21%synergy
Burglar Rat
27%inclusion13 decks49 decks
16%synergy
Species Specialist
24%inclusion12 decks49 decks
21%synergy
Wave of Rats
24%inclusion12 decks49 decks
23%synergy
Voracious Vermin
22%inclusion11 decks49 decks
20%synergy
Rat King, Pale Piper
21%inclusion3 decks14 decks
17%synergy
Gray Merchant of Asphodel
20%inclusion10 decks49 decks
-30%synergy
Throat Slitter
20%inclusion10 decks49 decks
19%synergy
Ink-Eyes, Servant of Oni
20%inclusion10 decks49 decks
17%synergy
Chittering Skitterling
20%inclusion10 decks49 decks
20%synergy
Chittering Witch
20%inclusion10 decks49 decks
16%synergy
Nezumi Informant
20%inclusion10 decks49 decks
14%synergy
Roaming Throne
18%inclusion9 decks49 decks
15%synergy
Locust Miser
18%inclusion9 decks49 decks
17%synergy
Relentless Rats
16%inclusion8 decks49 decks
15%synergy
Skithiryx, the Blight Dragon
16%inclusion8 decks49 decks
15%synergy
Ruthless Radrat
14%inclusion7 decks49 decks
14%synergy
Filth
14%inclusion7 decks49 decks
12%synergy
Nezumi Prowler
14%inclusion7 decks49 decks
13%synergy
Pestilence Rats
14%inclusion7 decks49 decks
12%synergy
Engine Rat
14%inclusion5 decks37 decks
12%synergy
Nezumi Graverobber
12%inclusion6 decks49 decks
11%synergy
Swarm of Rats
12%inclusion6 decks49 decks
10%synergy
Valley Rotcaller
12%inclusion6 decks49 decks
10%synergy
Nezumi Cutthroat
12%inclusion6 decks49 decks
12%synergy
Old Flitterfang
12%inclusion6 decks49 decks
11%synergy
Refurbished Familiar
10%inclusion5 decks49 decks
8%synergy
Zodiac Rat
10%inclusion5 decks49 decks
10%synergy
Razortooth Rats
10%inclusion5 decks49 decks
10%synergy
Zulaport Cutthroat
10%inclusion5 decks49 decks
-13%synergy
Midnight Reaper
10%inclusion5 decks49 decks
2%synergy
Boggart Trawler
8.2%inclusion4 decks49 decks
-1%synergy
Plague Myr
8.2%inclusion4 decks49 decks
7%synergy
Morbid Opportunist
8.2%inclusion4 decks49 decks
-16%synergy
Twisted Sewer-Witch
8.2%inclusion4 decks49 decks
7%synergy
Instants
Deadly Rollick
49%inclusion24 decks49 decks
24%synergy
Whisper of the Dross
39%inclusion19 decks49 decks
36%synergy
Go for the Throat
37%inclusion18 decks49 decks
14%synergy
Tainted Strike
33%inclusion16 decks49 decks
30%synergy
Malakir Rebirth
33%inclusion16 decks49 decks
9%synergy
Fell the Profane
31%inclusion15 decks49 decks
11%synergy
Grim Affliction
27%inclusion13 decks49 decks
25%synergy
Village Rites
22%inclusion11 decks49 decks
-3%synergy
Tragic Slip
22%inclusion11 decks49 decks
3%synergy
Defile
20%inclusion10 decks49 decks
-15%synergy
Anoint with Affliction
16%inclusion8 decks49 decks
16%synergy
Cabal Ritual
16%inclusion8 decks49 decks
-2%synergy
Infernal Grasp
16%inclusion8 decks49 decks
-9%synergy
Withering Torment
16%inclusion7 decks45 decks
-16%synergy
Snuff Out
12%inclusion6 decks49 decks
-1%synergy
Hero's Downfall
10%inclusion5 decks49 decks
4%synergy
Imp's Mischief
10%inclusion5 decks49 decks
-15%synergy
Bitter Triumph
10%inclusion5 decks49 decks
0%synergy
Sudden Spoiling
10%inclusion5 decks49 decks
2%synergy
Hagra Mauling
8.2%inclusion4 decks49 decks
4%synergy
Sheoldred's Edict
8.2%inclusion4 decks49 decks
-7%synergy
Doom Blade
8.2%inclusion4 decks49 decks
1%synergy
Culling the Weak
8.2%inclusion4 decks49 decks
-9%synergy
Withering Boon
8.2%inclusion4 decks49 decks
4%synergy
Corrupted Conviction
8.2%inclusion4 decks49 decks
-4%synergy
Plumb the Forbidden
8.2%inclusion4 decks49 decks
4%synergy
Supernatural Stamina
6.1%inclusion3 decks49 decks
-1%synergy
Virulent Wound
6.1%inclusion3 decks49 decks
6%synergy
Force of Despair
6.1%inclusion3 decks49 decks
-1%synergy
Rat Out
6.1%inclusion3 decks49 decks
5%synergy
Not Dead After All
6.1%inclusion3 decks49 decks
-5%synergy
Consuming Corruption
6.1%inclusion3 decks49 decks
-9%synergy
Deadly Dispute
6.1%inclusion3 decks49 decks
-20%synergy
Murder
6.1%inclusion3 decks49 decks
-4%synergy
Offer Immortality
6.1%inclusion3 decks49 decks
4%synergy
Curtains' Call
6.1%inclusion3 decks49 decks
5%synergy
Breathe Your Last
6.1%inclusion3 decks49 decks
4%synergy
Foul-Tongue Shriek
6.1%inclusion3 decks49 decks
4%synergy
Dismember
6.1%inclusion3 decks49 decks
-4%synergy
Zuko's Exile
5.3%inclusion1 decks19 decks
5%synergy
Sorceries
Kindred Dominance
47%inclusion23 decks49 decks
42%synergy
Swarmyard Massacre
42%inclusion20 decks48 decks
39%synergy
Feed the Swarm
41%inclusion20 decks49 decks
-9%synergy
Patriarch's Bidding
33%inclusion16 decks49 decks
29%synergy
Damnation
27%inclusion13 decks49 decks
6%synergy
Bloodline Bidding
25%inclusion4 decks16 decks
21%synergy
Reanimate
24%inclusion12 decks49 decks
-16%synergy
Plague of Vermin
22%inclusion11 decks49 decks
20%synergy
Revenge of the Rats
19%inclusion8 decks43 decks
15%synergy
Diabolic Intent
18%inclusion9 decks49 decks
3%synergy
Toxic Deluge
18%inclusion9 decks49 decks
-18%synergy
Crippling Fear
18%inclusion9 decks49 decks
15%synergy
Vat Emergence
16%inclusion8 decks49 decks
15%synergy
Torment of Hailfire
16%inclusion8 decks49 decks
1%synergy
Night's Whisper
16%inclusion8 decks49 decks
-9%synergy
Sign in Blood
16%inclusion8 decks49 decks
-19%synergy
Pact of the Serpent
16%inclusion8 decks49 decks
15%synergy
Haunting Voyage
14%inclusion7 decks49 decks
13%synergy
Grim Tutor
14%inclusion7 decks49 decks
3%synergy
Agadeem's Awakening
12%inclusion6 decks49 decks
5%synergy
Diabolic Tutor
10%inclusion5 decks49 decks
-4%synergy
Bubbling Muck
10%inclusion5 decks49 decks
-5%synergy
Echoing Return
10%inclusion5 decks49 decks
7%synergy
Geth's Summons
10%inclusion5 decks49 decks
10%synergy
Forever Young
8.2%inclusion4 decks49 decks
7%synergy
Exsanguinate
8.2%inclusion4 decks49 decks
-16%synergy
Insatiable Avarice
8.2%inclusion4 decks49 decks
-3%synergy
Beseech the Mirror
8.2%inclusion4 decks49 decks
1%synergy
Shredder's Technique
7.1%inclusion1 decks14 decks
4%synergy
Spread the Sickness
6.1%inclusion3 decks49 decks
5%synergy
Unearth
6.1%inclusion3 decks49 decks
-3%synergy
Caress of Phyrexia
6.1%inclusion3 decks49 decks
6%synergy
Syphon Mind
6.1%inclusion3 decks49 decks
-6%synergy
Gruesome Fate
6.1%inclusion3 decks49 decks
4%synergy
Desperate Plea
5.6%inclusion1 decks18 decks
5%synergy
Utility Artifacts
Skullclamp
47%inclusion23 decks49 decks
25%synergy
Chronicle of Victory
38%inclusion6 decks16 decks
35%synergy
Contagion Engine
33%inclusion16 decks49 decks
31%synergy
Thrumming Stone
31%inclusion15 decks49 decks
27%synergy
Sword of Truth and Justice
27%inclusion13 decks49 decks
26%synergy
Vanquisher's Banner
27%inclusion13 decks49 decks
23%synergy
Lightning Greaves
24%inclusion12 decks49 decks
-9%synergy
Contagion Clasp
22%inclusion11 decks49 decks
20%synergy
Door of Destinies
18%inclusion9 decks49 decks
16%synergy
Grafted Exoskeleton
18%inclusion9 decks49 decks
17%synergy
Whip of Erebos
16%inclusion8 decks49 decks
5%synergy
Akroma's Memorial
16%inclusion8 decks49 decks
15%synergy
Expedition Map
14%inclusion7 decks49 decks
3%synergy
Gathering Stone
13%inclusion2 decks16 decks
11%synergy
Coat of Arms
12%inclusion6 decks49 decks
10%synergy
Swiftfoot Boots
12%inclusion6 decks49 decks
-19%synergy
Thornbite Staff
12%inclusion6 decks49 decks
9%synergy
Prosthetic Injector
10%inclusion5 decks49 decks
10%synergy
Eldrazi Monument
10%inclusion5 decks49 decks
9%synergy
The Darkness Crystal
10%inclusion3 decks30 decks
-10%synergy
Ashnod's Altar
8.2%inclusion4 decks49 decks
-12%synergy
Sensei's Divining Top
8.2%inclusion4 decks49 decks
0%synergy
Scroll Rack
6.1%inclusion3 decks49 decks
6%synergy
Wishclaw Talisman
6.1%inclusion3 decks49 decks
-1%synergy
Phyrexian Altar
6.1%inclusion3 decks49 decks
-8%synergy
Sword of Hearth and Home
6.1%inclusion3 decks49 decks
5%synergy
Commander's Plate
6.1%inclusion3 decks49 decks
0%synergy
Enchantments
Phyrexian Arena
47%inclusion23 decks49 decks
8%synergy
Grave Pact
41%inclusion20 decks49 decks
21%synergy
Black Market Connections
35%inclusion17 decks49 decks
10%synergy
Necrogen Communion
29%inclusion14 decks49 decks
27%synergy
Black Market
22%inclusion11 decks49 decks
2%synergy
Haunted One
22%inclusion11 decks49 decks
20%synergy
Dictate of Erebos
18%inclusion9 decks49 decks
7%synergy
Oversold Cemetery
18%inclusion9 decks49 decks
13%synergy
Phyresis
16%inclusion8 decks49 decks
14%synergy
Dark Prophecy
12%inclusion6 decks49 decks
8%synergy
Phyrexian Reclamation
10%inclusion5 decks49 decks
0%synergy
Glistening Oil
10%inclusion5 decks49 decks
10%synergy
Bad Moon
10%inclusion5 decks49 decks
7%synergy
The Meathook Massacre
8.2%inclusion4 decks49 decks
-9%synergy
Relic Putrescence
8.2%inclusion4 decks49 decks
8%synergy
Bastion of Remembrance
8.2%inclusion4 decks49 decks
-9%synergy
Contamination
6.1%inclusion3 decks49 decks
3%synergy
Lord Skitter's Blessing
6.1%inclusion3 decks49 decks
5%synergy
Nowhere to Run
6.1%inclusion3 decks49 decks
3%synergy
Planeswalkers
Liliana of the Dark Realms
20%inclusion10 decks49 decks
7%synergy
Utility Lands
Cabal Coffers
92%inclusion45 decks49 decks
37%synergy
Nykthos, Shrine to Nyx
82%inclusion40 decks49 decks
52%synergy
Urborg, Tomb of Yawgmoth
80%inclusion39 decks49 decks
42%synergy
Karn's Bastion
71%inclusion35 decks49 decks
68%synergy
Bojuka Bog
59%inclusion29 decks49 decks
12%synergy
Cabal Stronghold
59%inclusion29 decks49 decks
25%synergy
Phyrexian Tower
53%inclusion26 decks49 decks
27%synergy
Three Tree City
47%inclusion23 decks49 decks
42%synergy
Mudflat Village
43%inclusion21 decks49 decks
40%synergy
Shizo, Death's Storehouse
37%inclusion18 decks49 decks
27%synergy
Witch's Cottage
33%inclusion16 decks49 decks
8%synergy
Rogue's Passage
33%inclusion16 decks49 decks
13%synergy
Crypt of Agadeem
29%inclusion14 decks49 decks
17%synergy
Takenuma, Abandoned Mire
29%inclusion14 decks49 decks
13%synergy
Reliquary Tower
27%inclusion13 decks49 decks
-3%synergy
Mortuary Mire
24%inclusion12 decks49 decks
12%synergy
Inkmoth Nexus
24%inclusion12 decks49 decks
24%synergy
Castle Locthwain
22%inclusion11 decks49 decks
6%synergy
Secret Tunnel
21%inclusion4 decks19 decks
20%synergy
War Room
16%inclusion8 decks49 decks
0%synergy
Volrath's Stronghold
12%inclusion6 decks49 decks
9%synergy
Minas Morgul, Dark Fortress
12%inclusion6 decks49 decks
9%synergy
Access Tunnel
12%inclusion6 decks49 decks
9%synergy
Urza's Saga
10%inclusion5 decks49 decks
2%synergy
Deserted Temple
10%inclusion5 decks49 decks
6%synergy
Lake of the Dead
10%inclusion5 decks49 decks
5%synergy
Vesuva
8.2%inclusion4 decks49 decks
5%synergy
Mutavault
8.2%inclusion4 decks49 decks
7%synergy
Strip Mine
8.2%inclusion4 decks49 decks
5%synergy
Vault of Whispers
6.1%inclusion3 decks49 decks
1%synergy
The Black Gate
6.1%inclusion3 decks49 decks
3%synergy
Barren Moor
6.1%inclusion3 decks49 decks
-3%synergy
Command Beacon
6.1%inclusion3 decks49 decks
-2%synergy
Thespian's Stage
6.1%inclusion3 decks49 decks
1%synergy
Leechridden Swamp
6.1%inclusion3 decks49 decks
3%synergy
Mana Artifacts
Sol Ring
84%inclusion41 decks49 decks
-2%synergy
Glistening Sphere
65%inclusion32 decks49 decks
64%synergy
Arcane Signet
47%inclusion23 decks49 decks
-15%synergy
Staff of Compleation
37%inclusion18 decks49 decks
35%synergy
The Soul Stone
33%inclusion8 decks24 decks
18%synergy
Throne of Eldraine
22%inclusion11 decks49 decks
13%synergy
Patchwork Banner
20%inclusion10 decks49 decks
16%synergy
Firdoch Core
13%inclusion2 decks16 decks
12%synergy
Gauntlet of Power
12%inclusion6 decks49 decks
9%synergy
Thought Vessel
12%inclusion6 decks49 decks
-13%synergy
Extraplanar Lens
12%inclusion6 decks49 decks
7%synergy
Caged Sun
10%inclusion5 decks49 decks
-1%synergy
Nyx Lotus
10%inclusion5 decks49 decks
4%synergy
Charcoal Diamond
8.2%inclusion4 decks49 decks
-14%synergy
Heraldic Banner
8.2%inclusion4 decks49 decks
3%synergy
Mind Stone
8.2%inclusion4 decks49 decks
-20%synergy
Lotus Petal
6.1%inclusion3 decks49 decks
-1%synergy
Fellwar Stone
6.1%inclusion3 decks49 decks
-8%synergy
Phyrexian Atlas
6.1%inclusion3 decks49 decks
6%synergy
Mox Opal
6.1%inclusion3 decks49 decks
3%synergy
White Lotus Tile
5.3%inclusion1 decks19 decks
5%synergy
Lands
Swamp
86%inclusion42 decks49 decks
-10%synergy
Cavern of Souls
63%inclusion31 decks49 decks
56%synergy
Path of Ancestry
43%inclusion21 decks49 decks
38%synergy
Malakir Rebirth
33%inclusion16 decks49 decks
9%synergy
Fell the Profane
31%inclusion15 decks49 decks
11%synergy
Myriad Landscape
18%inclusion9 decks49 decks
-6%synergy
Snow-Covered Swamp
16%inclusion8 decks49 decks
10%synergy
Agadeem's Awakening
12%inclusion6 decks49 decks
5%synergy
Command Tower
10%inclusion5 decks49 decks
4%synergy
Hagra Mauling
8.2%inclusion4 decks49 decks
4%synergy
Boggart Trawler
8.2%inclusion4 decks49 decks
-1%synergy
Urza's Cave
6.1%inclusion3 decks49 decks
-2%synergy
Mirrex
6.1%inclusion3 decks49 decks
6%synergy
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