Karumonix, the Rat King (Commander) - Core Infect

Karumonix, the Rat King
Rank #411
123decks
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
27%inclusion4 decks15 decks
1.9xlift
Top Cards
Piper of the Swarm
89%inclusion109 decks123 decks
1.9xlift
Blightbelly Rat
85%inclusion105 decks123 decks
1.3xlift
Ogre Slumlord
80%inclusion98 decks123 decks
1.8xlift
Infectious Inquiry
76%inclusion94 decks123 decks
1.2xlift
Pack Rat
75%inclusion92 decks123 decks
1.9xlift
Ichor Rats
73%inclusion90 decks123 decks
1.3xlift
Lord Skitter, Sewer King
73%inclusion90 decks123 decks
1.9xlift
Drown in Ichor
72%inclusion88 decks123 decks
1.2xlift
Typhoid Rats
72%inclusion88 decks123 decks
2.0xlift
Marrow-Gnawer
69%inclusion85 decks123 decks
2.0xlift
High Lift Cards
Insatiable Frugivore
5.7%inclusion7 decks123 decks
2.3xlift
Scrib Nibblers
11%inclusion14 decks123 decks
2.3xlift
Chittering Rats
15%inclusion18 decks123 decks
2.3xlift
Elephant-Rat
10%inclusion9 decks90 decks
2.3xlift
Drainpipe Vermin
27%inclusion33 decks123 decks
2.2xlift
Ruthless Radrat
22%inclusion27 decks123 decks
2.2xlift
Skullsnatcher
20%inclusion25 decks123 decks
2.2xlift
Tribute to Horobi
14%inclusion17 decks123 decks
2.2xlift
Rotting Rats
22%inclusion27 decks123 decks
2.1xlift
Bog Rats
8.9%inclusion11 decks123 decks
2.1xlift
Creatures
Rancid Rats
67%inclusion83 decks123 decks
2.0xlift
Lord Skitter's Butcher
63%inclusion78 decks123 decks
2.0xlift
Septic Rats
63%inclusion78 decks123 decks
1.5xlift
Tangled Colony
60%inclusion74 decks123 decks
2.0xlift
Crypt Rats
55%inclusion68 decks123 decks
1.8xlift
Voracious Vermin
55%inclusion68 decks123 decks
1.9xlift
Persistent Marshstalker
50%inclusion62 decks123 decks
1.9xlift
Stronghold Rats
50%inclusion61 decks123 decks
1.9xlift
Burglar Rat
47%inclusion58 decks123 decks
2.0xlift
Chittering Skitterling
46%inclusion57 decks123 decks
2.1xlift
Changeling Outcast
46%inclusion57 decks123 decks
2.1xlift
Gnat Miser
44%inclusion54 decks123 decks
2.1xlift
Wave of Rats
43%inclusion53 decks123 decks
2.0xlift
Rat Colony
43%inclusion53 decks123 decks
1.7xlift
Ratcatcher
38%inclusion47 decks123 decks
1.9xlift
Ashcoat of the Shadow Swarm
36%inclusion44 decks123 decks
1.9xlift
Nezumi Cutthroat
35%inclusion43 decks123 decks
2.1xlift
Rat King, Pale Piper
34%inclusion22 decks64 decks
2.0xlift
Pestilence Rats
33%inclusion40 decks123 decks
2.0xlift
Ruin Rat
33%inclusion40 decks123 decks
2.1xlift
Nezumi Prowler
32%inclusion39 decks123 decks
1.9xlift
Rat King, Verminister
32%inclusion23 decks73 decks
1.8xlift
Ink-Eyes, Servant of Oni
31%inclusion38 decks123 decks
1.7xlift
Chittering Witch
31%inclusion38 decks123 decks
1.9xlift
Engine Rat
30%inclusion35 decks117 decks
2.0xlift
Swarm of Rats
29%inclusion36 decks123 decks
1.9xlift
Twisted Sewer-Witch
29%inclusion36 decks123 decks
2.1xlift
Nezumi Informant
29%inclusion36 decks123 decks
2.0xlift
Nashi, Moon Sage's Scion
28%inclusion34 decks123 decks
1.8xlift
Old Flitterfang
27%inclusion33 decks123 decks
2.1xlift
Gnawing Vermin
24%inclusion30 decks123 decks
1.9xlift
Ravenous Rats
24%inclusion29 decks123 decks
1.9xlift
Razortooth Rats
24%inclusion29 decks123 decks
2.1xlift
Species Specialist
22%inclusion27 decks123 decks
1.8xlift
Valley Rotcaller
22%inclusion27 decks123 decks
1.7xlift
Ayara, First of Locthwain
21%inclusion26 decks123 decks
1.3xlift
Mukotai Ambusher
20%inclusion25 decks123 decks
2.1xlift
Undercity Dire Rat
20%inclusion20 decks102 decks
1.9xlift
Throat Slitter
20%inclusion24 decks123 decks
1.8xlift
Locust Miser
18%inclusion22 decks123 decks
2.0xlift
Crypt Ghast
16%inclusion20 decks123 decks
0.6xlift
Okiba-Gang Shinobi
15%inclusion19 decks123 decks
1.9xlift
Refurbished Familiar
15%inclusion18 decks123 decks
2.1xlift
Relentless Rats
14%inclusion17 decks123 decks
1.9xlift
Nezumi Graverobber
14%inclusion17 decks123 decks
1.9xlift
Nezumi Bladeblesser
14%inclusion17 decks123 decks
2.0xlift
Sinuous Vermin
14%inclusion17 decks123 decks
2.0xlift
Innocuous Rat
13%inclusion16 decks123 decks
1.9xlift
Gray Merchant of Asphodel
11%inclusion14 decks123 decks
0.6xlift
Thornplate Intimidator
10%inclusion12 decks123 decks
1.8xlift
Instants
Vraska's Fall
67%inclusion82 decks123 decks
1.3xlift
Whisper of the Dross
59%inclusion72 decks123 decks
1.3xlift
Dark Ritual
52%inclusion64 decks123 decks
0.9xlift
Village Rites
41%inclusion51 decks123 decks
1.5xlift
Grim Affliction
38%inclusion47 decks123 decks
1.1xlift
Defile
37%inclusion46 decks123 decks
0.9xlift
Rat Out
31%inclusion38 decks123 decks
2.0xlift
Anoint with Affliction
26%inclusion32 decks123 decks
1.5xlift
Tainted Strike
25%inclusion31 decks123 decks
0.7xlift
Corrupted Conviction
24%inclusion29 decks123 decks
1.5xlift
Virulent Wound
23%inclusion28 decks123 decks
1.2xlift
Go for the Throat
21%inclusion26 decks123 decks
0.9xlift
Deadly Dispute
21%inclusion26 decks123 decks
1.2xlift
Infernal Grasp
17%inclusion21 decks123 decks
1.0xlift
Tragic Slip
15%inclusion19 decks123 decks
0.8xlift
Consuming Corruption
15%inclusion18 decks123 decks
1.2xlift
Raise the Draugr
15%inclusion18 decks123 decks
2.0xlift
Fell the Profane
14%inclusion17 decks123 decks
1.2xlift
Withering Torment
14%inclusion17 decks123 decks
0.6xlift
Malakir Rebirth
12%inclusion15 decks123 decks
0.7xlift
Not Dead After All
11%inclusion14 decks123 decks
0.9xlift
Murder
11%inclusion14 decks123 decks
1.1xlift
Deadly Rollick
10%inclusion12 decks123 decks
1.0xlift
Foul-Tongue Shriek
10%inclusion12 decks123 decks
1.6xlift
Gravepurge
10%inclusion12 decks123 decks
1.5xlift
Bitter Triumph
8.1%inclusion10 decks123 decks
1.0xlift
Undying Malice
8.1%inclusion10 decks123 decks
0.9xlift
Baleful Mastery
8.1%inclusion10 decks123 decks
1.4xlift
Imp's Mischief
6.5%inclusion8 decks123 decks
0.5xlift
Doom Blade
6.5%inclusion8 decks123 decks
0.7xlift
Cabal Ritual
6.5%inclusion8 decks123 decks
0.7xlift
Supernatural Stamina
6.5%inclusion8 decks123 decks
0.6xlift
Altar's Reap
6.5%inclusion8 decks123 decks
1.8xlift
Sudden Spoiling
6.5%inclusion8 decks123 decks
0.6xlift
Feign Death
6.5%inclusion8 decks123 decks
0.8xlift
Hero's Downfall
5.7%inclusion7 decks123 decks
0.8xlift
Culling the Weak
5.7%inclusion7 decks123 decks
0.8xlift
Offer Immortality
5.7%inclusion7 decks123 decks
1.5xlift
Sorceries
Phyresis Outbreak
51%inclusion63 decks123 decks
1.2xlift
Feed the Swarm
43%inclusion53 decks123 decks
0.9xlift
Crippling Fear
41%inclusion51 decks123 decks
1.9xlift
Revenge of the Rats
40%inclusion49 decks123 decks
2.0xlift
Vat Emergence
38%inclusion47 decks123 decks
1.3xlift
Sign in Blood
33%inclusion40 decks123 decks
0.9xlift
Kindred Dominance
26%inclusion32 decks123 decks
1.8xlift
Night's Whisper
25%inclusion31 decks123 decks
0.8xlift
Unearth
24%inclusion30 decks123 decks
1.7xlift
Spread the Sickness
23%inclusion28 decks123 decks
1.5xlift
Swarmyard Massacre
22%inclusion27 decks123 decks
1.9xlift
Read the Bones
22%inclusion27 decks123 decks
1.0xlift
Patriarch's Bidding
21%inclusion26 decks123 decks
1.9xlift
Victimize
15%inclusion19 decks123 decks
1.3xlift
Caress of Phyrexia
15%inclusion19 decks123 decks
0.9xlift
Feed the Infection
14%inclusion17 decks123 decks
1.2xlift
Diabolic Tutor
13%inclusion16 decks123 decks
1.0xlift
Geth's Summons
13%inclusion16 decks123 decks
0.9xlift
Plague of Vermin
12%inclusion15 decks123 decks
1.9xlift
Bloodline Bidding
12%inclusion9 decks74 decks
1.5xlift
Echoing Return
10%inclusion12 decks123 decks
1.8xlift
Reanimate
10%inclusion12 decks123 decks
0.6xlift
Toxic Deluge
10%inclusion12 decks123 decks
0.5xlift
Return from Extinction
8.1%inclusion10 decks123 decks
2.1xlift
Mutilate
8.1%inclusion10 decks123 decks
0.6xlift
Exsanguinate
8.1%inclusion10 decks123 decks
0.7xlift
Lab Rats
8.1%inclusion10 decks123 decks
1.8xlift
Syphon Mind
7.3%inclusion9 decks123 decks
1.0xlift
Bubbling Muck
6.5%inclusion8 decks123 decks
0.5xlift
Haunting Voyage
5.7%inclusion7 decks123 decks
2.0xlift
Ambition's Cost
5.7%inclusion7 decks123 decks
1.3xlift
Pact of the Serpent
5.7%inclusion7 decks123 decks
1.8xlift
Utility Artifacts
Bontu's Monument
46%inclusion56 decks123 decks
1.4xlift
Jet Medallion
46%inclusion56 decks123 decks
1.0xlift
Herald's Horn
41%inclusion50 decks123 decks
1.9xlift
Contagion Clasp
33%inclusion40 decks123 decks
1.0xlift
Skullclamp
26%inclusion32 decks123 decks
1.3xlift
Vanquisher's Banner
25%inclusion31 decks123 decks
1.8xlift
Contagion Engine
20%inclusion25 decks123 decks
0.9xlift
Prosthetic Injector
17%inclusion21 decks123 decks
1.7xlift
Swiftfoot Boots
15%inclusion19 decks123 decks
0.5xlift
Thrumming Stone
15%inclusion18 decks123 decks
1.7xlift
Whispersilk Cloak
13%inclusion16 decks123 decks
0.9xlift
Lightning Greaves
13%inclusion16 decks123 decks
0.6xlift
Icon of Ancestry
12%inclusion15 decks123 decks
1.9xlift
Door of Destinies
12%inclusion15 decks123 decks
1.7xlift
Grafted Exoskeleton
12%inclusion15 decks123 decks
0.6xlift
Whip of Erebos
11%inclusion13 decks123 decks
1.6xlift
Vat of Rebirth
10%inclusion12 decks123 decks
1.5xlift
Coat of Arms
8.9%inclusion11 decks123 decks
1.8xlift
Chronicle of Victory
8.0%inclusion6 decks75 decks
1.4xlift
The Darkness Crystal
5.9%inclusion6 decks102 decks
0.6xlift
Wayfarer's Bauble
5.7%inclusion7 decks123 decks
0.6xlift
Enchantments
Necrogen Communion
47%inclusion58 decks123 decks
1.2xlift
Cover of Darkness
34%inclusion42 decks123 decks
2.0xlift
Phyrexian Arena
32%inclusion39 decks123 decks
0.8xlift
Phyresis
30%inclusion37 decks123 decks
1.0xlift
Oversold Cemetery
21%inclusion26 decks123 decks
1.8xlift
Bad Moon
16%inclusion20 decks123 decks
1.1xlift
Haunted One
14%inclusion17 decks123 decks
1.6xlift
Phyrexian Reclamation
11%inclusion14 decks123 decks
1.5xlift
Lord Skitter's Blessing
11%inclusion14 decks123 decks
1.8xlift
Grave Pact
11%inclusion13 decks123 decks
1.2xlift
Vampiric Rites
8.9%inclusion11 decks123 decks
1.7xlift
Relic Putrescence
8.9%inclusion11 decks123 decks
0.8xlift
Black Market Connections
8.9%inclusion11 decks123 decks
0.8xlift
Black Market
8.1%inclusion10 decks123 decks
0.5xlift
Dictate of Erebos
7.3%inclusion9 decks123 decks
1.5xlift
Snake Cult Initiation
7.3%inclusion9 decks123 decks
1.4xlift
Glistening Oil
6.5%inclusion8 decks123 decks
0.6xlift
Intimidation
6.5%inclusion8 decks123 decks
1.5xlift
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion40 decks123 decks
1.0xlift
Liliana of the Dark Realms
7.3%inclusion9 decks123 decks
0.6xlift
Utility Lands
Swarmyard
62%inclusion76 decks123 decks
1.8xlift
Karn's Bastion
55%inclusion68 decks123 decks
1.1xlift
Mudflat Village
46%inclusion57 decks123 decks
1.9xlift
Rogue's Passage
46%inclusion56 decks123 decks
1.0xlift
Bojuka Bog
44%inclusion54 decks123 decks
0.9xlift
Cabal Coffers
33%inclusion40 decks123 decks
0.8xlift
Witch's Cottage
32%inclusion39 decks123 decks
1.1xlift
Mortuary Mire
28%inclusion35 decks123 decks
1.3xlift
Access Tunnel
28%inclusion34 decks123 decks
1.9xlift
Cabal Stronghold
26%inclusion32 decks123 decks
0.9xlift
Urborg, Tomb of Yawgmoth
21%inclusion26 decks123 decks
0.9xlift
Nykthos, Shrine to Nyx
20%inclusion25 decks123 decks
1.3xlift
Three Tree City
20%inclusion24 decks123 decks
1.6xlift
Barren Moor
16%inclusion20 decks123 decks
1.0xlift
Secret Tunnel
14%inclusion12 decks83 decks
1.8xlift
Phyrexian Tower
13%inclusion16 decks123 decks
1.0xlift
Castle Locthwain
13%inclusion16 decks123 decks
0.9xlift
Reliquary Tower
13%inclusion16 decks123 decks
0.9xlift
Crypt of Agadeem
12%inclusion15 decks123 decks
1.5xlift
War Room
10%inclusion12 decks123 decks
0.7xlift
Shizo, Death's Storehouse
8.9%inclusion11 decks123 decks
0.8xlift
Takenuma, Abandoned Mire
8.1%inclusion10 decks123 decks
1.0xlift
Inkmoth Nexus
6.5%inclusion8 decks123 decks
0.4xlift
Minas Morgul, Dark Fortress
6.5%inclusion8 decks123 decks
1.4xlift
Vesuva
5.7%inclusion7 decks123 decks
1.6xlift
Mana Artifacts
Sol Ring
68%inclusion84 decks123 decks
0.9xlift
Arcane Signet
46%inclusion56 decks123 decks
0.9xlift
Glistening Sphere
41%inclusion51 decks123 decks
1.2xlift
Staff of Compleation
24%inclusion30 decks123 decks
1.0xlift
Patchwork Banner
24%inclusion30 decks123 decks
1.5xlift
Charcoal Diamond
22%inclusion27 decks123 decks
0.9xlift
Mind Stone
19%inclusion23 decks123 decks
0.8xlift
Heraldic Banner
14%inclusion17 decks123 decks
1.1xlift
Phyrexian Atlas
11%inclusion14 decks123 decks
1.3xlift
Caged Sun
10%inclusion12 decks123 decks
0.8xlift
Commander's Sphere
6.5%inclusion8 decks123 decks
1.1xlift
Thought Vessel
6.5%inclusion8 decks123 decks
0.6xlift
Lands
Swamp
98%inclusion121 decks123 decks
1.0xlift
Path of Ancestry
39%inclusion48 decks123 decks
1.8xlift
Myriad Landscape
20%inclusion24 decks123 decks
0.8xlift
Big Apple, 3 a.m.
16%inclusion10 decks64 decks
2.2xlift
Fell the Profane
14%inclusion17 decks123 decks
1.2xlift
Malakir Rebirth
12%inclusion15 decks123 decks
0.7xlift
Escape Tunnel
11%inclusion14 decks123 decks
1.6xlift
Cavern of Souls
11%inclusion14 decks123 decks
1.6xlift
Command Tower
6.5%inclusion8 decks123 decks
1.2xlift
Terramorphic Expanse
5.7%inclusion7 decks123 decks
1.5xlift
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