Karumonix, the Rat King (Commander) - Upgraded Infect

Karumonix, the Rat King
Rank #411
105decks
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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Rank Rat
20%inclusion2 decks10 decks
4.7xlift
Avacyn, Angel of Horror
10%inclusion1 decks10 decks
1.6xlift
Top Cards
Blightbelly Rat
85%inclusion89 decks105 decks
1.7xlift
Piper of the Swarm
84%inclusion88 decks105 decks
2.6xlift
Marrow-Gnawer
83%inclusion87 decks105 decks
3.1xlift
Ogre Slumlord
78%inclusion82 decks105 decks
2.6xlift
Ichor Rats
77%inclusion81 decks105 decks
1.3xlift
Drown in Ichor
77%inclusion81 decks105 decks
1.5xlift
Infectious Inquiry
76%inclusion80 decks105 decks
1.3xlift
Pack Rat
75%inclusion79 decks105 decks
2.7xlift
Lord Skitter, Sewer King
73%inclusion77 decks105 decks
2.8xlift
Dark Ritual
72%inclusion76 decks105 decks
1.0xlift
High Lift Cards
Muck Rats
5.7%inclusion6 decks105 decks
3.5xlift
Zodiac Rat
10%inclusion11 decks105 decks
3.5xlift
Nezumi Linkbreaker
7.6%inclusion8 decks105 decks
3.5xlift
Chittering Skitterling
31%inclusion33 decks105 decks
3.4xlift
Nezumi Informant
27%inclusion28 decks105 decks
3.3xlift
Engine Rat
29%inclusion30 decks105 decks
3.3xlift
Stronghold Rats
52%inclusion55 decks105 decks
3.3xlift
Nezumi Cutthroat
24%inclusion25 decks105 decks
3.3xlift
Secret Tunnel
14%inclusion11 decks78 decks
3.2xlift
Bog Rats
11%inclusion12 decks105 decks
3.2xlift
Creatures
Septic Rats
68%inclusion71 decks105 decks
2.2xlift
Rancid Rats
63%inclusion66 decks105 decks
3.0xlift
Lord Skitter's Butcher
58%inclusion61 decks105 decks
3.0xlift
Tangled Colony
57%inclusion60 decks105 decks
3.0xlift
Typhoid Rats
57%inclusion60 decks105 decks
3.0xlift
Crypt Rats
56%inclusion59 decks105 decks
2.6xlift
Persistent Marshstalker
56%inclusion59 decks105 decks
3.1xlift
Rat Colony
50%inclusion53 decks105 decks
2.4xlift
Ratcatcher
49%inclusion51 decks105 decks
2.9xlift
Voracious Vermin
47%inclusion49 decks105 decks
2.8xlift
Ashcoat of the Shadow Swarm
46%inclusion48 decks105 decks
2.9xlift
Burglar Rat
45%inclusion47 decks105 decks
2.9xlift
Gnat Miser
44%inclusion46 decks105 decks
2.9xlift
Wave of Rats
36%inclusion38 decks105 decks
2.9xlift
Changeling Outcast
34%inclusion36 decks105 decks
2.7xlift
Swarm of Rats
31%inclusion33 decks105 decks
2.9xlift
Rat King, Pale Piper
30%inclusion20 decks66 decks
3.0xlift
Rat King, Verminister
29%inclusion20 decks68 decks
3.0xlift
Ink-Eyes, Servant of Oni
29%inclusion30 decks105 decks
2.5xlift
Ruin Rat
29%inclusion30 decks105 decks
3.1xlift
Valley Rotcaller
28%inclusion29 decks105 decks
2.5xlift
Throat Slitter
27%inclusion28 decks105 decks
2.7xlift
Chittering Witch
26%inclusion27 decks105 decks
2.4xlift
Pestilence Rats
25%inclusion26 decks105 decks
2.8xlift
Ayara, First of Locthwain
23%inclusion24 decks105 decks
1.4xlift
Species Specialist
23%inclusion24 decks105 decks
2.4xlift
Nezumi Prowler
22%inclusion23 decks105 decks
2.7xlift
Undercity Dire Rat
21%inclusion20 decks94 decks
3.1xlift
Nashi, Moon Sage's Scion
21%inclusion22 decks105 decks
2.5xlift
Gnawing Vermin
20%inclusion21 decks105 decks
2.6xlift
Locust Miser
19%inclusion20 decks105 decks
2.8xlift
Gray Merchant of Asphodel
18%inclusion19 decks105 decks
0.7xlift
Rotting Rats
17%inclusion18 decks105 decks
3.1xlift
Twisted Sewer-Witch
17%inclusion18 decks105 decks
2.3xlift
Crypt Ghast
17%inclusion18 decks105 decks
0.4xlift
Ravenous Rats
16%inclusion17 decks105 decks
2.8xlift
Drainpipe Vermin
16%inclusion17 decks105 decks
2.6xlift
Razortooth Rats
15%inclusion16 decks105 decks
2.9xlift
Refurbished Familiar
13%inclusion14 decks105 decks
2.9xlift
Relentless Rats
12%inclusion13 decks105 decks
2.4xlift
Nezumi Graverobber
12%inclusion13 decks105 decks
2.3xlift
Yawgmoth, Thran Physician
11%inclusion12 decks105 decks
0.5xlift
Okiba-Gang Shinobi
11%inclusion12 decks105 decks
3.2xlift
Nezumi Bladeblesser
10%inclusion11 decks105 decks
3.2xlift
Elephant-Rat
10%inclusion9 decks86 decks
3.1xlift
Chittering Rats
10%inclusion10 decks105 decks
2.9xlift
Skullsnatcher
10%inclusion10 decks105 decks
2.5xlift
Ruthless Radrat
8.6%inclusion9 decks105 decks
2.4xlift
Mukotai Ambusher
8.6%inclusion9 decks105 decks
2.6xlift
Filth
8.6%inclusion9 decks105 decks
1.0xlift
Instants
Vraska's Fall
71%inclusion75 decks105 decks
1.4xlift
Whisper of the Dross
59%inclusion62 decks105 decks
1.7xlift
Village Rites
39%inclusion41 decks105 decks
1.8xlift
Grim Affliction
39%inclusion41 decks105 decks
1.5xlift
Defile
37%inclusion39 decks105 decks
0.9xlift
Tainted Strike
33%inclusion35 decks105 decks
0.9xlift
Go for the Throat
32%inclusion34 decks105 decks
1.2xlift
Withering Torment
26%inclusion27 decks105 decks
0.8xlift
Murder
23%inclusion24 decks105 decks
1.8xlift
Rat Out
22%inclusion23 decks105 decks
3.0xlift
Deadly Dispute
21%inclusion22 decks105 decks
1.3xlift
Vampiric Tutor
21%inclusion22 decks105 decks
0.9xlift
Fell the Profane
20%inclusion21 decks105 decks
0.8xlift
Infernal Grasp
20%inclusion21 decks105 decks
0.8xlift
Malakir Rebirth
18%inclusion19 decks105 decks
0.7xlift
Corrupted Conviction
18%inclusion19 decks105 decks
2.1xlift
Culling the Weak
17%inclusion18 decks105 decks
1.1xlift
Tragic Slip
16%inclusion17 decks105 decks
0.9xlift
Deadly Rollick
15%inclusion16 decks105 decks
0.6xlift
Anoint with Affliction
15%inclusion16 decks105 decks
1.7xlift
Cabal Ritual
13%inclusion14 decks105 decks
0.7xlift
Virulent Wound
10%inclusion11 decks105 decks
1.5xlift
Sheoldred's Edict
8.6%inclusion9 decks105 decks
0.7xlift
Consuming Corruption
8.6%inclusion9 decks105 decks
0.7xlift
Raise the Draugr
8.6%inclusion9 decks105 decks
2.8xlift
Feign Death
8.6%inclusion9 decks105 decks
1.3xlift
Sudden Spoiling
7.6%inclusion8 decks105 decks
0.6xlift
Hagra Mauling
6.7%inclusion7 decks105 decks
1.1xlift
Hero's Downfall
6.7%inclusion7 decks105 decks
1.3xlift
Not Dead After All
6.7%inclusion7 decks105 decks
0.8xlift
Bitter Triumph
6.7%inclusion7 decks105 decks
0.8xlift
Unbury
5.8%inclusion4 decks69 decks
2.3xlift
Force of Despair
5.7%inclusion6 decks105 decks
0.7xlift
Doom Blade
5.7%inclusion6 decks105 decks
0.6xlift
Sorceries
Phyresis Outbreak
53%inclusion56 decks105 decks
1.2xlift
Revenge of the Rats
40%inclusion42 decks105 decks
2.6xlift
Feed the Swarm
40%inclusion42 decks105 decks
0.9xlift
Kindred Dominance
34%inclusion36 decks105 decks
2.2xlift
Demonic Tutor
33%inclusion35 decks105 decks
1.0xlift
Night's Whisper
29%inclusion30 decks105 decks
0.8xlift
Crippling Fear
29%inclusion30 decks105 decks
2.5xlift
Patriarch's Bidding
28%inclusion29 decks105 decks
2.4xlift
Bloodline Bidding
28%inclusion19 decks69 decks
2.8xlift
Sign in Blood
27%inclusion28 decks105 decks
0.7xlift
Vat Emergence
24%inclusion25 decks105 decks
1.4xlift
Swarmyard Massacre
21%inclusion22 decks105 decks
2.6xlift
Spread the Sickness
19%inclusion20 decks105 decks
1.7xlift
Diabolic Tutor
18%inclusion19 decks105 decks
1.0xlift
Diabolic Intent
17%inclusion18 decks105 decks
1.5xlift
Unearth
17%inclusion18 decks105 decks
1.7xlift
Bubbling Muck
15%inclusion16 decks105 decks
0.7xlift
Feed the Infection
13%inclusion14 decks105 decks
1.7xlift
Reanimate
13%inclusion14 decks105 decks
0.5xlift
Read the Bones
12%inclusion13 decks105 decks
0.7xlift
Toxic Deluge
12%inclusion13 decks105 decks
0.3xlift
Echoing Return
11%inclusion12 decks105 decks
1.7xlift
Caress of Phyrexia
11%inclusion12 decks105 decks
1.0xlift
Pact of the Serpent
11%inclusion12 decks105 decks
2.8xlift
Fell
10%inclusion11 decks105 decks
2.1xlift
Plague of Vermin
10%inclusion11 decks105 decks
2.5xlift
Exsanguinate
8.6%inclusion9 decks105 decks
0.6xlift
In Garruk's Wake
8.6%inclusion9 decks105 decks
1.9xlift
Damnation
8.6%inclusion9 decks105 decks
0.5xlift
Grim Tutor
8.6%inclusion9 decks105 decks
0.8xlift
Geth's Summons
7.6%inclusion8 decks105 decks
0.9xlift
Victimize
6.7%inclusion7 decks105 decks
0.6xlift
Profane Tutor
6.7%inclusion7 decks105 decks
1.1xlift
Blasphemous Edict
6.7%inclusion7 decks105 decks
0.8xlift
Gruesome Fate
6.7%inclusion7 decks105 decks
1.6xlift
Insatiable Avarice
5.7%inclusion6 decks105 decks
0.3xlift
Eaten Alive
5.7%inclusion6 decks105 decks
1.6xlift
Utility Artifacts
Bontu's Monument
67%inclusion70 decks105 decks
2.1xlift
Jet Medallion
59%inclusion62 decks105 decks
0.9xlift
Herald's Horn
46%inclusion48 decks105 decks
2.6xlift
Skullclamp
41%inclusion43 decks105 decks
1.9xlift
Contagion Clasp
31%inclusion33 decks105 decks
1.1xlift
Vanquisher's Banner
28%inclusion29 decks105 decks
2.6xlift
Bolas's Citadel
22%inclusion23 decks105 decks
1.0xlift
Contagion Engine
19%inclusion20 decks105 decks
0.8xlift
Thrumming Stone
18%inclusion19 decks105 decks
1.9xlift
Swiftfoot Boots
18%inclusion19 decks105 decks
0.5xlift
Coat of Arms
17%inclusion18 decks105 decks
2.6xlift
Lightning Greaves
16%inclusion17 decks105 decks
0.5xlift
Chronicle of Victory
14%inclusion10 decks70 decks
2.3xlift
Icon of Ancestry
13%inclusion14 decks105 decks
2.9xlift
Whip of Erebos
13%inclusion14 decks105 decks
1.6xlift
Door of Destinies
13%inclusion14 decks105 decks
2.9xlift
Grafted Exoskeleton
13%inclusion14 decks105 decks
0.7xlift
The Darkness Crystal
11%inclusion10 decks94 decks
0.5xlift
Banner of Kinship
10%inclusion10 decks105 decks
2.3xlift
Sword of Truth and Justice
8.6%inclusion9 decks105 decks
0.5xlift
Expedition Map
8.6%inclusion9 decks105 decks
0.6xlift
Gathering Stone
7.2%inclusion5 decks69 decks
2.5xlift
Prosthetic Injector
6.7%inclusion7 decks105 decks
1.7xlift
Whispersilk Cloak
6.7%inclusion7 decks105 decks
0.5xlift
Wayfarer's Bauble
5.7%inclusion6 decks105 decks
0.6xlift
Ashnod's Altar
5.7%inclusion6 decks105 decks
1.0xlift
Akroma's Memorial
5.7%inclusion6 decks105 decks
2.6xlift
Thornbite Staff
5.7%inclusion6 decks105 decks
1.2xlift
Enchantments
Cover of Darkness
48%inclusion50 decks105 decks
2.7xlift
Necrogen Communion
41%inclusion43 decks105 decks
1.4xlift
Phyrexian Arena
34%inclusion36 decks105 decks
0.8xlift
Phyresis
23%inclusion24 decks105 decks
0.9xlift
Bad Moon
21%inclusion22 decks105 decks
1.7xlift
Grave Pact
16%inclusion17 decks105 decks
1.6xlift
Black Market Connections
15%inclusion16 decks105 decks
0.6xlift
Black Market
14%inclusion15 decks105 decks
1.0xlift
Haunted One
12%inclusion13 decks105 decks
1.9xlift
Phyrexian Reclamation
11%inclusion12 decks105 decks
1.2xlift
Oversold Cemetery
11%inclusion12 decks105 decks
1.7xlift
Glistening Oil
8.6%inclusion9 decks105 decks
0.8xlift
Kaya's Ghostform
8.6%inclusion9 decks105 decks
0.6xlift
Intimidation
7.6%inclusion8 decks105 decks
3.1xlift
Tribute to Horobi
5.7%inclusion6 decks105 decks
1.6xlift
Necropotence
5.7%inclusion6 decks105 decks
0.5xlift
Lord Skitter's Blessing
5.7%inclusion6 decks105 decks
3.0xlift
Planeswalkers
Vraska, Betrayal's Sting
47%inclusion49 decks105 decks
1.2xlift
Liliana of the Dark Realms
15%inclusion16 decks105 decks
0.7xlift
Utility Lands
Swarmyard
70%inclusion73 decks105 decks
2.6xlift
Karn's Bastion
67%inclusion70 decks105 decks
1.3xlift
Bojuka Bog
59%inclusion62 decks105 decks
1.1xlift
Cabal Coffers
53%inclusion56 decks105 decks
0.8xlift
Mudflat Village
51%inclusion54 decks105 decks
3.0xlift
Rogue's Passage
48%inclusion50 decks105 decks
1.0xlift
Witch's Cottage
34%inclusion36 decks105 decks
1.3xlift
Urborg, Tomb of Yawgmoth
32%inclusion34 decks105 decks
0.7xlift
Three Tree City
30%inclusion32 decks105 decks
2.2xlift
Mortuary Mire
26%inclusion27 decks105 decks
1.9xlift
Nykthos, Shrine to Nyx
25%inclusion26 decks105 decks
1.0xlift
Cabal Stronghold
24%inclusion25 decks105 decks
0.7xlift
Reliquary Tower
24%inclusion25 decks105 decks
1.1xlift
Access Tunnel
21%inclusion22 decks105 decks
2.6xlift
Phyrexian Tower
18%inclusion19 decks105 decks
0.9xlift
Crypt of Agadeem
14%inclusion15 decks105 decks
2.0xlift
Castle Locthwain
11%inclusion12 decks105 decks
0.6xlift
War Room
10%inclusion11 decks105 decks
0.5xlift
Barren Moor
10%inclusion10 decks105 decks
1.3xlift
Inkmoth Nexus
10%inclusion10 decks105 decks
0.4xlift
Takenuma, Abandoned Mire
10%inclusion10 decks105 decks
0.7xlift
Shizo, Death's Storehouse
8.6%inclusion9 decks105 decks
0.4xlift
Temple of the False God
7.6%inclusion8 decks105 decks
1.0xlift
Desert of the Glorified
6.7%inclusion7 decks105 decks
3.0xlift
Memorial to Folly
5.7%inclusion6 decks105 decks
1.9xlift
Mutavault
5.7%inclusion6 decks105 decks
2.1xlift
The Dross Pits
5.7%inclusion6 decks105 decks
1.7xlift
Polluted Mire
5.7%inclusion6 decks105 decks
1.9xlift
Mana Artifacts
Sol Ring
85%inclusion89 decks105 decks
1.0xlift
Arcane Signet
50%inclusion53 decks105 decks
0.9xlift
Glistening Sphere
45%inclusion47 decks105 decks
1.4xlift
Patchwork Banner
30%inclusion31 decks105 decks
2.3xlift
Staff of Compleation
21%inclusion22 decks105 decks
0.9xlift
Charcoal Diamond
17%inclusion18 decks105 decks
0.9xlift
Heraldic Banner
15%inclusion16 decks105 decks
1.4xlift
Mind Stone
12%inclusion13 decks105 decks
0.5xlift
The Soul Stone
9.1%inclusion8 decks88 decks
0.6xlift
Thought Vessel
8.6%inclusion9 decks105 decks
0.5xlift
Phyrexian Atlas
7.6%inclusion8 decks105 decks
1.6xlift
Lands
Swamp
99%inclusion104 decks105 decks
1.0xlift
Path of Ancestry
39%inclusion41 decks105 decks
2.8xlift
Fell the Profane
20%inclusion21 decks105 decks
0.8xlift
Cavern of Souls
20%inclusion21 decks105 decks
1.3xlift
Malakir Rebirth
18%inclusion19 decks105 decks
0.7xlift
Big Apple, 3 a.m.
14%inclusion9 decks66 decks
3.4xlift
Evolving Wilds
13%inclusion14 decks105 decks
2.0xlift
Command Tower
12%inclusion13 decks105 decks
1.7xlift
Myriad Landscape
12%inclusion13 decks105 decks
0.6xlift
Escape Tunnel
7.6%inclusion8 decks105 decks
2.5xlift
Hagra Mauling
6.7%inclusion7 decks105 decks
1.1xlift
Ash Barrens
5.7%inclusion6 decks105 decks
2.3xlift
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