Karumonix, the Rat King (Commander) - Budget Upgraded Infect

Karumonix, the Rat King
Rank #408
9decks
As CommanderAs CardAverage DeckDecks
Bracket
All
1
234
5
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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Lands
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Blightbelly Rat
100%inclusion9 decks9 decks
97%synergy
Drown in Ichor
100%inclusion9 decks9 decks
96%synergy
Septic Rats
89%inclusion8 decks9 decks
87%synergy
Lord Skitter's Butcher
89%inclusion8 decks9 decks
86%synergy
Vraska's Fall
89%inclusion8 decks9 decks
86%synergy
Ravenous Rats
78%inclusion7 decks9 decks
76%synergy
Voracious Vermin
78%inclusion7 decks9 decks
75%synergy
Ichor Rats
78%inclusion7 decks9 decks
75%synergy
Tangled Colony
78%inclusion7 decks9 decks
75%synergy
Persistent Marshstalker
78%inclusion7 decks9 decks
75%synergy
Top Cards
Pack Rat
78%inclusion7 decks9 decks
72%synergy
Typhoid Rats
78%inclusion7 decks9 decks
74%synergy
Whisper of the Dross
67%inclusion6 decks9 decks
64%synergy
Burglar Rat
67%inclusion6 decks9 decks
56%synergy
Infectious Inquiry
67%inclusion6 decks9 decks
64%synergy
Twisted Sewer-Witch
67%inclusion6 decks9 decks
65%synergy
Necrogen Communion
67%inclusion6 decks9 decks
65%synergy
Undercity Dire Rat
57%inclusion4 decks7 decks
55%synergy
Ogre Slumlord
56%inclusion5 decks9 decks
46%synergy
Crypt Rats
56%inclusion5 decks9 decks
51%synergy
Creatures
Rat King, Pale Piper
60%inclusion3 decks5 decks
56%synergy
Chittering Skitterling
56%inclusion5 decks9 decks
55%synergy
Piper of the Swarm
56%inclusion5 decks9 decks
49%synergy
Nezumi Prowler
56%inclusion5 decks9 decks
54%synergy
Rancid Rats
56%inclusion5 decks9 decks
53%synergy
Stronghold Rats
56%inclusion5 decks9 decks
52%synergy
Lord Skitter, Sewer King
56%inclusion5 decks9 decks
48%synergy
Gnawing Vermin
44%inclusion4 decks9 decks
43%synergy
Mukotai Ambusher
44%inclusion4 decks9 decks
44%synergy
Throat Slitter
44%inclusion4 decks9 decks
43%synergy
Engine Rat
44%inclusion4 decks9 decks
43%synergy
Nezumi Cutthroat
44%inclusion4 decks9 decks
44%synergy
Pestilence Rats
44%inclusion4 decks9 decks
43%synergy
Ruin Rat
44%inclusion4 decks9 decks
43%synergy
Rat King, Verminister
40%inclusion2 decks5 decks
37%synergy
Bog Rats
33%inclusion3 decks9 decks
33%synergy
Chittering Rats
33%inclusion3 decks9 decks
33%synergy
Innocuous Rat
33%inclusion3 decks9 decks
32%synergy
Nezumi Graverobber
33%inclusion3 decks9 decks
32%synergy
Rotting Rats
33%inclusion3 decks9 decks
30%synergy
Marrow-Gnawer
33%inclusion3 decks9 decks
30%synergy
Nezumi Bladeblesser
33%inclusion3 decks9 decks
33%synergy
Daggerfang Duo
33%inclusion3 decks9 decks
33%synergy
Nezumi Shortfang
33%inclusion3 decks9 decks
33%synergy
Nezumi Linkbreaker
33%inclusion3 decks9 decks
32%synergy
Razortooth Rats
33%inclusion3 decks9 decks
33%synergy
Swarm of Rats
33%inclusion3 decks9 decks
31%synergy
Nezumi Informant
33%inclusion3 decks9 decks
27%synergy
Drainpipe Vermin
33%inclusion3 decks9 decks
32%synergy
Gnat Miser
33%inclusion3 decks9 decks
31%synergy
Elephant-Rat
33%inclusion2 decks6 decks
33%synergy
Relentless Rats
22%inclusion2 decks9 decks
21%synergy
Ruthless Radrat
22%inclusion2 decks9 decks
22%synergy
Skullsnatcher
22%inclusion2 decks9 decks
22%synergy
Ink-Eyes, Servant of Oni
22%inclusion2 decks9 decks
19%synergy
Myr Convert
22%inclusion2 decks9 decks
22%synergy
Bilious Skulldweller
22%inclusion2 decks9 decks
21%synergy
Chittering Witch
22%inclusion2 decks9 decks
18%synergy
Changeling Outcast
22%inclusion2 decks9 decks
17%synergy
Sewer Rats
22%inclusion2 decks9 decks
22%synergy
Nezumi Bone-Reader
22%inclusion2 decks9 decks
21%synergy
Wave of Rats
22%inclusion2 decks9 decks
21%synergy
Nashi, Moon Sage's Scion
22%inclusion2 decks9 decks
19%synergy
Gulping Scraptrap
22%inclusion2 decks9 decks
22%synergy
Rat Colony
22%inclusion2 decks9 decks
17%synergy
Tunnel Rats
20%inclusion1 decks5 decks
20%synergy
Splinter, Hamato Yoshi
20%inclusion1 decks5 decks
20%synergy
Splinter, the Mentor
17%inclusion1 decks6 decks
16%synergy
Changeling Wayfinder
17%inclusion1 decks6 decks
16%synergy
Phyrexian Juggernaut
11%inclusion1 decks9 decks
11%synergy
Instants
Village Rites
56%inclusion5 decks9 decks
30%synergy
Grim Affliction
44%inclusion4 decks9 decks
43%synergy
Dark Ritual
44%inclusion4 decks9 decks
-23%synergy
Murder
44%inclusion4 decks9 decks
35%synergy
GO FOR THE THROAT
33%inclusion3 decks9 decks
11%synergy
Rat Out
33%inclusion3 decks9 decks
32%synergy
Archenemy's Charm
33%inclusion2 decks6 decks
24%synergy
Consuming Corruption
22%inclusion2 decks9 decks
7%synergy
Anoint with Affliction
22%inclusion2 decks9 decks
22%synergy
Deadly Dispute
22%inclusion2 decks9 decks
-5%synergy
Virulent Wound
22%inclusion2 decks9 decks
22%synergy
Raise the Draugr
22%inclusion2 decks9 decks
21%synergy
Infernal Grasp
22%inclusion2 decks9 decks
-3%synergy
Fake Your Own Death
22%inclusion2 decks9 decks
15%synergy
Pain 101
20%inclusion1 decks5 decks
19%synergy
Alesha's Legacy
13%inclusion1 decks8 decks
11%synergy
Hagra Mauling
11%inclusion1 decks9 decks
7%synergy
Bile Blight
11%inclusion1 decks9 decks
10%synergy
Sheoldred's Edict
11%inclusion1 decks9 decks
-4%synergy
Hazel's Nocturne
11%inclusion1 decks9 decks
10%synergy
Not Dead After All
11%inclusion1 decks9 decks
-0%synergy
Defile
11%inclusion1 decks9 decks
-24%synergy
Final Flourish
11%inclusion1 decks9 decks
11%synergy
Supernatural Stamina
11%inclusion1 decks9 decks
3%synergy
March of Wretched Sorrow
11%inclusion1 decks9 decks
10%synergy
Eviscerator's Insight
11%inclusion1 decks9 decks
9%synergy
Pack's Disdain
11%inclusion1 decks9 decks
11%synergy
Winter's Intervention
11%inclusion1 decks9 decks
11%synergy
Tainted Strike
11%inclusion1 decks9 decks
8%synergy
Nurgle's Conscription
11%inclusion1 decks9 decks
11%synergy
Presumed Dead
11%inclusion1 decks9 decks
10%synergy
Foul-Tongue Shriek
11%inclusion1 decks9 decks
9%synergy
Black Sun's Twilight
11%inclusion1 decks9 decks
8%synergy
Corrupted Conviction
11%inclusion1 decks9 decks
-1%synergy
Consumed by Greed
11%inclusion1 decks9 decks
10%synergy
Ashnod's Intervention
11%inclusion1 decks9 decks
10%synergy
Breathe Your Last
11%inclusion1 decks9 decks
9%synergy
Taken by Nightmares
11%inclusion1 decks9 decks
11%synergy
Power Word Kill
11%inclusion1 decks9 decks
10%synergy
Feign Death
11%inclusion1 decks9 decks
3%synergy
Wretched Confluence
11%inclusion1 decks9 decks
10%synergy
Early Winter
11%inclusion1 decks9 decks
11%synergy
Withering Torment
11%inclusion1 decks9 decks
-20%synergy
Sorceries
Revenge of the Rats
56%inclusion5 decks9 decks
52%synergy
Vat Emergence
44%inclusion4 decks9 decks
43%synergy
Crippling Fear
44%inclusion4 decks9 decks
42%synergy
Spread the Sickness
33%inclusion3 decks9 decks
33%synergy
Feed the Infection
33%inclusion3 decks9 decks
33%synergy
Caress of Phyrexia
33%inclusion3 decks9 decks
33%synergy
Bloodline Bidding
33%inclusion2 decks6 decks
29%synergy
Unearth
22%inclusion2 decks9 decks
13%synergy
Feed the Swarm
22%inclusion2 decks9 decks
-28%synergy
Read the Bones
22%inclusion2 decks9 decks
6%synergy
Night's Whisper
22%inclusion2 decks9 decks
-3%synergy
Exsanguinate
22%inclusion2 decks9 decks
-2%synergy
Fell
22%inclusion2 decks9 decks
19%synergy
Lab Rats
22%inclusion2 decks9 decks
22%synergy
Sign in Blood
22%inclusion2 decks9 decks
-13%synergy
Kindred Dominance
22%inclusion2 decks9 decks
18%synergy
Strategic Betrayal
13%inclusion1 decks8 decks
12%synergy
Black Sun's Zenith
11%inclusion1 decks9 decks
6%synergy
Unmarked Grave
11%inclusion1 decks9 decks
7%synergy
Diabolic Tutor
11%inclusion1 decks9 decks
-2%synergy
Soul Transfer
11%inclusion1 decks9 decks
11%synergy
Victimize
11%inclusion1 decks9 decks
-16%synergy
Patriarch's Bidding
11%inclusion1 decks9 decks
7%synergy
Profane Tutor
11%inclusion1 decks9 decks
7%synergy
Coiling Rebirth
11%inclusion1 decks9 decks
9%synergy
Come Back Wrong
11%inclusion1 decks9 decks
9%synergy
Season of Loss
11%inclusion1 decks9 decks
9%synergy
Forever Young
11%inclusion1 decks9 decks
10%synergy
Haunting Voyage
11%inclusion1 decks9 decks
10%synergy
Dread Return
11%inclusion1 decks9 decks
-1%synergy
Return from Extinction
11%inclusion1 decks9 decks
11%synergy
Disturbing Plot
11%inclusion1 decks9 decks
11%synergy
Phyresis Outbreak
11%inclusion1 decks9 decks
10%synergy
Swarmyard Massacre
11%inclusion1 decks9 decks
9%synergy
Echoing Return
11%inclusion1 decks9 decks
8%synergy
Soul Salvage
11%inclusion1 decks9 decks
11%synergy
Bone Shards
11%inclusion1 decks9 decks
8%synergy
Ambition's Cost
11%inclusion1 decks9 decks
8%synergy
Decree of Pain
11%inclusion1 decks9 decks
6%synergy
Annihilating Glare
11%inclusion1 decks9 decks
10%synergy
Syphon Mind
11%inclusion1 decks9 decks
-1%synergy
Sever the Bloodline
11%inclusion1 decks9 decks
11%synergy
Zombify
11%inclusion1 decks9 decks
9%synergy
Gruesome Fate
11%inclusion1 decks9 decks
9%synergy
Beseech the Queen
11%inclusion1 decks9 decks
5%synergy
Zof Consumption
11%inclusion1 decks9 decks
10%synergy
Epic Downfall
11%inclusion1 decks9 decks
11%synergy
Pact of the Serpent
11%inclusion1 decks9 decks
10%synergy
Extinction
11%inclusion1 decks9 decks
11%synergy
Shatter the Oath
11%inclusion1 decks9 decks
11%synergy
Utility Artifacts
Contagion Clasp
56%inclusion5 decks9 decks
53%synergy
Bontu's Monument
44%inclusion4 decks9 decks
17%synergy
Vat of Rebirth
33%inclusion3 decks9 decks
30%synergy
Icon of Ancestry
33%inclusion3 decks9 decks
32%synergy
Herald's Horn
33%inclusion3 decks9 decks
28%synergy
Gathering Stone
17%inclusion1 decks6 decks
15%synergy
Stalactite Dagger
17%inclusion1 decks6 decks
17%synergy
Zephyr Boots
11%inclusion1 decks9 decks
11%synergy
Mukotai Soulripper
11%inclusion1 decks9 decks
11%synergy
Wayfarer's Bauble
11%inclusion1 decks9 decks
-3%synergy
Power Matrix
11%inclusion1 decks9 decks
11%synergy
Leyline Axe
11%inclusion1 decks9 decks
10%synergy
Brass Knuckles
11%inclusion1 decks9 decks
11%synergy
Coat of Arms
11%inclusion1 decks9 decks
9%synergy
Trailblazer's Boots
11%inclusion1 decks9 decks
9%synergy
Cliffhaven Kitesail
11%inclusion1 decks9 decks
11%synergy
Pyre of Heroes
11%inclusion1 decks9 decks
11%synergy
Haunted Cloak
11%inclusion1 decks9 decks
10%synergy
Transmogrant's Crown
11%inclusion1 decks9 decks
10%synergy
Thieves' Tools
11%inclusion1 decks9 decks
9%synergy
Prosthetic Injector
11%inclusion1 decks9 decks
11%synergy
Gilded Pinions
11%inclusion1 decks9 decks
11%synergy
Vanquisher's Banner
11%inclusion1 decks9 decks
7%synergy
Ribskiff
11%inclusion1 decks9 decks
11%synergy
Recon Craft Theta
11%inclusion1 decks9 decks
11%synergy
Fireshrieker
11%inclusion1 decks9 decks
9%synergy
Tarrian's Journal
11%inclusion1 decks9 decks
10%synergy
Swiftfoot Boots
11%inclusion1 decks9 decks
-20%synergy
Lightning Greaves
11%inclusion1 decks9 decks
-23%synergy
Brotherhood Regalia
11%inclusion1 decks9 decks
8%synergy
Thornbite Staff
11%inclusion1 decks9 decks
8%synergy
Grafted Exoskeleton
11%inclusion1 decks9 decks
10%synergy
Forebear's Blade
11%inclusion1 decks9 decks
11%synergy
Enchantments
Tribute to Horobi
44%inclusion4 decks9 decks
44%synergy
Phyresis
33%inclusion3 decks9 decks
31%synergy
Cover of Darkness
33%inclusion3 decks9 decks
30%synergy
Sothera, the Supervoid
17%inclusion1 decks6 decks
14%synergy
Clawing Torment
11%inclusion1 decks9 decks
11%synergy
Greed
11%inclusion1 decks9 decks
5%synergy
Black Market
11%inclusion1 decks9 decks
-9%synergy
Vow of Torment
11%inclusion1 decks9 decks
11%synergy
Consecrated by Blood
11%inclusion1 decks9 decks
11%synergy
Cartouche of Ambition
11%inclusion1 decks9 decks
11%synergy
Blowfly Infestation
11%inclusion1 decks9 decks
9%synergy
Braids's Frightful Return
11%inclusion1 decks9 decks
10%synergy
Claim of Erebos
11%inclusion1 decks9 decks
11%synergy
Hopeless Nightmare
11%inclusion1 decks9 decks
8%synergy
Glistening Oil
11%inclusion1 decks9 decks
10%synergy
Court of Ambition
11%inclusion1 decks9 decks
8%synergy
Vampiric Rites
11%inclusion1 decks9 decks
5%synergy
Haunted One
11%inclusion1 decks9 decks
9%synergy
Curse of Death's Hold
11%inclusion1 decks9 decks
10%synergy
Retreat to Hagra
11%inclusion1 decks9 decks
10%synergy
Conspiracy
11%inclusion1 decks9 decks
11%synergy
Skeletal Grimace
11%inclusion1 decks9 decks
11%synergy
Intimidation
11%inclusion1 decks9 decks
11%synergy
Kaya's Ghostform
11%inclusion1 decks9 decks
1%synergy
Lord Skitter's Blessing
11%inclusion1 decks9 decks
10%synergy
Cunning Rhetoric
11%inclusion1 decks9 decks
9%synergy
Oversold Cemetery
11%inclusion1 decks9 decks
6%synergy
Phyrexian Arena
11%inclusion1 decks9 decks
-28%synergy
Bad Moon
11%inclusion1 decks9 decks
8%synergy
Planeswalkers
Vraska, Betrayal's Sting
22%inclusion2 decks9 decks
20%synergy
Utility Lands
Mudflat Village
67%inclusion6 decks9 decks
64%synergy
Karn's Bastion
56%inclusion5 decks9 decks
52%synergy
Rogue's Passage
56%inclusion5 decks9 decks
36%synergy
Mortuary Mire
44%inclusion4 decks9 decks
32%synergy
Bojuka Bog
33%inclusion3 decks9 decks
-14%synergy
Swarmyard
33%inclusion3 decks9 decks
28%synergy
Witch's Cottage
33%inclusion3 decks9 decks
9%synergy
Memorial to Folly
22%inclusion2 decks9 decks
19%synergy
Barren Moor
22%inclusion2 decks9 decks
13%synergy
Adventurer's Inn
14%inclusion1 decks7 decks
13%synergy
Cabal Coffers
11%inclusion1 decks9 decks
-44%synergy
The Dross Pits
11%inclusion1 decks9 decks
10%synergy
Thespian's Stage
11%inclusion1 decks9 decks
6%synergy
RELIQUARY TOWER
11%inclusion1 decks9 decks
-18%synergy
Dakmor Salvage
11%inclusion1 decks9 decks
9%synergy
HELIOS One
11%inclusion1 decks9 decks
11%synergy
Temple of the False God
11%inclusion1 decks9 decks
4%synergy
Leechridden Swamp
11%inclusion1 decks9 decks
8%synergy
Sandstorm Verge
11%inclusion1 decks9 decks
11%synergy
Havengul Laboratory
11%inclusion1 decks9 decks
11%synergy
Access Tunnel
11%inclusion1 decks9 decks
8%synergy
Amonkhet Raceway
11%inclusion1 decks9 decks
10%synergy
Mana Artifacts
Sol Ring
67%inclusion6 decks9 decks
-19%synergy
Phyrexian Atlas
33%inclusion3 decks9 decks
33%synergy
Arcane Signet
22%inclusion2 decks9 decks
-39%synergy
Heraldic Banner
22%inclusion2 decks9 decks
17%synergy
Patchwork Banner
22%inclusion2 decks9 decks
18%synergy
Mind Stone
22%inclusion2 decks9 decks
-6%synergy
Commander's Sphere
11%inclusion1 decks9 decks
3%synergy
Charcoal Diamond
11%inclusion1 decks9 decks
-11%synergy
Glistening Sphere
11%inclusion1 decks9 decks
10%synergy
Pristine Talisman
11%inclusion1 decks9 decks
9%synergy
Thought Vessel
11%inclusion1 decks9 decks
-13%synergy
Worn Powerstone
11%inclusion1 decks9 decks
7%synergy
Lands
Swamp
100%inclusion9 decks9 decks
5%synergy
Path of Ancestry
67%inclusion6 decks9 decks
62%synergy
Command Tower
33%inclusion3 decks9 decks
28%synergy
Evolving Wilds
33%inclusion3 decks9 decks
29%synergy
Daily Bugle Building
33%inclusion2 decks6 decks
33%synergy
Terramorphic Expanse
22%inclusion2 decks9 decks
19%synergy
Mirrex
22%inclusion2 decks9 decks
22%synergy
Ash Barrens
22%inclusion2 decks9 decks
21%synergy
Big Apple, 3 a.m.
20%inclusion1 decks5 decks
18%synergy
Command Bridge
17%inclusion1 decks6 decks
17%synergy
Vibrant Cityscape
17%inclusion1 decks6 decks
16%synergy
Hagra Mauling
11%inclusion1 decks9 decks
7%synergy
Myriad Landscape
11%inclusion1 decks9 decks
-13%synergy
Riveteers Overlook
11%inclusion1 decks9 decks
10%synergy
Shire Terrace
11%inclusion1 decks9 decks
11%synergy
Demolition Field
11%inclusion1 decks9 decks
6%synergy
Zof Consumption
11%inclusion1 decks9 decks
10%synergy
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