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

Karumonix, the Rat King
Rank #382
7decks
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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Undercity Dire Rat
100%inclusion4 decks4 decks
98%synergy
Septic Rats
100%inclusion7 decks7 decks
98%synergy
Ichor Rats
100%inclusion7 decks7 decks
97%synergy
Persistent Marshstalker
100%inclusion7 decks7 decks
97%synergy
Lord Skitter's Butcher
100%inclusion7 decks7 decks
97%synergy
Blightbelly Rat
100%inclusion7 decks7 decks
96%synergy
Pestilence Rats
86%inclusion6 decks7 decks
84%synergy
Rancid Rats
86%inclusion6 decks7 decks
83%synergy
Infectious Inquiry
86%inclusion6 decks7 decks
83%synergy
Mudflat Village
86%inclusion6 decks7 decks
83%synergy
Top Cards
Ogre Slumlord
86%inclusion6 decks7 decks
76%synergy
Revenge of the Rats
86%inclusion6 decks7 decks
83%synergy
Tangled Colony
86%inclusion6 decks7 decks
83%synergy
Pack Rat
86%inclusion6 decks7 decks
80%synergy
Voracious Vermin
86%inclusion6 decks7 decks
83%synergy
Typhoid Rats
86%inclusion6 decks7 decks
82%synergy
Drown in Ichor
86%inclusion6 decks7 decks
82%synergy
Spread the Sickness
71%inclusion5 decks7 decks
71%synergy
Burglar Rat
71%inclusion5 decks7 decks
61%synergy
Ravenous Rats
71%inclusion5 decks7 decks
70%synergy
Creatures
Rat King, Pale Piper
100%inclusion3 decks3 decks
96%synergy
Piper of the Swarm
71%inclusion5 decks7 decks
64%synergy
Stronghold Rats
71%inclusion5 decks7 decks
68%synergy
Ruin Rat
71%inclusion5 decks7 decks
70%synergy
Crypt Rats
57%inclusion4 decks7 decks
53%synergy
Razortooth Rats
57%inclusion4 decks7 decks
57%synergy
Chittering Skitterling
57%inclusion4 decks7 decks
56%synergy
Twisted Sewer-Witch
57%inclusion4 decks7 decks
56%synergy
Nezumi Cutthroat
57%inclusion4 decks7 decks
56%synergy
Nezumi Prowler
57%inclusion4 decks7 decks
56%synergy
Gnat Miser
57%inclusion4 decks7 decks
54%synergy
Lord Skitter, Sewer King
57%inclusion4 decks7 decks
49%synergy
Bog Rats
43%inclusion3 decks7 decks
42%synergy
Chittering Rats
43%inclusion3 decks7 decks
42%synergy
Rotting Rats
43%inclusion3 decks7 decks
40%synergy
Gnawing Vermin
43%inclusion3 decks7 decks
41%synergy
Mukotai Ambusher
43%inclusion3 decks7 decks
42%synergy
Nezumi Bladeblesser
43%inclusion3 decks7 decks
42%synergy
Throat Slitter
43%inclusion3 decks7 decks
41%synergy
Engine Rat
43%inclusion3 decks7 decks
41%synergy
Swarm of Rats
43%inclusion3 decks7 decks
40%synergy
Drainpipe Vermin
43%inclusion3 decks7 decks
42%synergy
Rat King, Verminister
33%inclusion1 decks3 decks
30%synergy
Tunnel Rats
33%inclusion1 decks3 decks
33%synergy
Splinter, Hamato Yoshi
33%inclusion1 decks3 decks
33%synergy
Relentless Rats
29%inclusion2 decks7 decks
27%synergy
Innocuous Rat
29%inclusion2 decks7 decks
27%synergy
Nezumi Graverobber
29%inclusion2 decks7 decks
27%synergy
Marrow-Gnawer
29%inclusion2 decks7 decks
25%synergy
Ruthless Radrat
29%inclusion2 decks7 decks
28%synergy
Daggerfang Duo
29%inclusion2 decks7 decks
28%synergy
Nezumi Shortfang
29%inclusion2 decks7 decks
28%synergy
Insatiable Frugivore
29%inclusion2 decks7 decks
28%synergy
Skullsnatcher
29%inclusion2 decks7 decks
28%synergy
Nezumi Linkbreaker
29%inclusion2 decks7 decks
27%synergy
Chittering Witch
29%inclusion2 decks7 decks
24%synergy
Ossuary Rats
29%inclusion2 decks7 decks
28%synergy
Nezumi Informant
29%inclusion2 decks7 decks
22%synergy
Sewer Rats
29%inclusion2 decks7 decks
28%synergy
Wave of Rats
29%inclusion2 decks7 decks
27%synergy
Gulping Scraptrap
29%inclusion2 decks7 decks
28%synergy
Elephant-Rat
25%inclusion1 decks4 decks
25%synergy
Splinter, the Mentor
25%inclusion1 decks4 decks
24%synergy
Refurbished Familiar
14%inclusion1 decks7 decks
12%synergy
Patron of the Nezumi
14%inclusion1 decks7 decks
14%synergy
Rabid Rats
14%inclusion1 decks7 decks
14%synergy
Graveshifter
14%inclusion1 decks7 decks
13%synergy
Wick's Patrol
14%inclusion1 decks7 decks
14%synergy
Thornplate Intimidator
14%inclusion1 decks7 decks
14%synergy
Species Specialist
14%inclusion1 decks7 decks
11%synergy
Instants
Vraska's Fall
71%inclusion5 decks7 decks
68%synergy
Rat Out
71%inclusion5 decks7 decks
70%synergy
Grim Affliction
71%inclusion5 decks7 decks
69%synergy
Whisper of the Dross
57%inclusion4 decks7 decks
54%synergy
Dark Ritual
57%inclusion4 decks7 decks
-10%synergy
Go for the Throat
29%inclusion2 decks7 decks
6%synergy
Village Rites
29%inclusion2 decks7 decks
3%synergy
Anoint with Affliction
29%inclusion2 decks7 decks
28%synergy
Raise the Draugr
29%inclusion2 decks7 decks
28%synergy
Murder
29%inclusion2 decks7 decks
18%synergy
Infernal Grasp
29%inclusion2 decks7 decks
3%synergy
Archenemy's Charm
25%inclusion1 decks4 decks
16%synergy
Scorpion's Sting
25%inclusion1 decks4 decks
25%synergy
Alesha's Legacy
17%inclusion1 decks6 decks
15%synergy
Hero's Downfall
14%inclusion1 decks7 decks
8%synergy
Hazel's Nocturne
14%inclusion1 decks7 decks
14%synergy
Imp's Mischief
14%inclusion1 decks7 decks
-10%synergy
Not Dead After All
14%inclusion1 decks7 decks
3%synergy
Consuming Corruption
14%inclusion1 decks7 decks
-1%synergy
Deadly Dispute
14%inclusion1 decks7 decks
-12%synergy
Poison the Cup
14%inclusion1 decks7 decks
14%synergy
Supernatural Stamina
14%inclusion1 decks7 decks
7%synergy
Virulent Wound
14%inclusion1 decks7 decks
14%synergy
Winter's Intervention
14%inclusion1 decks7 decks
14%synergy
Foul-Tongue Shriek
14%inclusion1 decks7 decks
12%synergy
Fake Your Own Death
14%inclusion1 decks7 decks
7%synergy
Corrupted Conviction
14%inclusion1 decks7 decks
2%synergy
Consumed by Greed
14%inclusion1 decks7 decks
13%synergy
Breathe Your Last
14%inclusion1 decks7 decks
12%synergy
Taken by Nightmares
14%inclusion1 decks7 decks
14%synergy
Feign Death
14%inclusion1 decks7 decks
6%synergy
Early Winter
14%inclusion1 decks7 decks
14%synergy
Withering Torment
14%inclusion1 decks7 decks
-17%synergy
Sorceries
Vat Emergence
57%inclusion4 decks7 decks
56%synergy
Caress of Phyrexia
43%inclusion3 decks7 decks
42%synergy
Feed the Infection
29%inclusion2 decks7 decks
28%synergy
Lab Rats
29%inclusion2 decks7 decks
28%synergy
Bloodline Bidding
25%inclusion1 decks4 decks
20%synergy
Strategic Betrayal
17%inclusion1 decks6 decks
16%synergy
Diabolic Tutor
14%inclusion1 decks7 decks
0%synergy
Coiling Rebirth
14%inclusion1 decks7 decks
13%synergy
Come Back Wrong
14%inclusion1 decks7 decks
12%synergy
Season of Loss
14%inclusion1 decks7 decks
12%synergy
Dread Return
14%inclusion1 decks7 decks
2%synergy
Return from Extinction
14%inclusion1 decks7 decks
14%synergy
Disturbing Plot
14%inclusion1 decks7 decks
14%synergy
Phyresis Outbreak
14%inclusion1 decks7 decks
13%synergy
Unearth
14%inclusion1 decks7 decks
6%synergy
Swarmyard Massacre
14%inclusion1 decks7 decks
12%synergy
Feed the Swarm
14%inclusion1 decks7 decks
-36%synergy
Echoing Return
14%inclusion1 decks7 decks
11%synergy
Read the Bones
14%inclusion1 decks7 decks
-2%synergy
Bone Shards
14%inclusion1 decks7 decks
11%synergy
Blood Money
14%inclusion1 decks7 decks
11%synergy
Dark Petition
14%inclusion1 decks7 decks
10%synergy
Night's Whisper
14%inclusion1 decks7 decks
-10%synergy
Exsanguinate
14%inclusion1 decks7 decks
-10%synergy
Fell
14%inclusion1 decks7 decks
11%synergy
In Garruk's Wake
14%inclusion1 decks7 decks
10%synergy
Insatiable Avarice
14%inclusion1 decks7 decks
3%synergy
Sever the Bloodline
14%inclusion1 decks7 decks
14%synergy
Geth's Summons
14%inclusion1 decks7 decks
14%synergy
Sign in Blood
14%inclusion1 decks7 decks
-21%synergy
Kindred Dominance
14%inclusion1 decks7 decks
10%synergy
Crippling Fear
14%inclusion1 decks7 decks
11%synergy
Extinction
14%inclusion1 decks7 decks
14%synergy
Shatter the Oath
14%inclusion1 decks7 decks
14%synergy
Utility Artifacts
Contagion Clasp
71%inclusion5 decks7 decks
69%synergy
Icon of Ancestry
57%inclusion4 decks7 decks
56%synergy
Vat of Rebirth
43%inclusion3 decks7 decks
39%synergy
Bontu's Monument
43%inclusion3 decks7 decks
14%synergy
Pyre of Heroes
29%inclusion2 decks7 decks
28%synergy
Herald's Horn
29%inclusion2 decks7 decks
23%synergy
Swiftfoot Boots
29%inclusion2 decks7 decks
-3%synergy
Nutrient Block
25%inclusion1 decks4 decks
25%synergy
Zephyr Boots
14%inclusion1 decks7 decks
14%synergy
Altar of Bhaal
14%inclusion1 decks7 decks
13%synergy
Power Matrix
14%inclusion1 decks7 decks
14%synergy
Trailblazer's Boots
14%inclusion1 decks7 decks
12%synergy
Thieves' Tools
14%inclusion1 decks7 decks
13%synergy
Recon Craft Theta
14%inclusion1 decks7 decks
14%synergy
Fireshrieker
14%inclusion1 decks7 decks
12%synergy
Lightning Greaves
14%inclusion1 decks7 decks
-19%synergy
Brotherhood Regalia
14%inclusion1 decks7 decks
12%synergy
Grafted Exoskeleton
14%inclusion1 decks7 decks
13%synergy
Forebear's Blade
14%inclusion1 decks7 decks
14%synergy
Enchantments
Necrogen Communion
71%inclusion5 decks7 decks
70%synergy
Tribute to Horobi
43%inclusion3 decks7 decks
42%synergy
Phyresis
43%inclusion3 decks7 decks
41%synergy
Phyrexian Arena
29%inclusion2 decks7 decks
-11%synergy
Sothera, the Supervoid
25%inclusion1 decks4 decks
22%synergy
Black Market
14%inclusion1 decks7 decks
-7%synergy
Consecrated by Blood
14%inclusion1 decks7 decks
14%synergy
Hopeless Nightmare
14%inclusion1 decks7 decks
11%synergy
Glistening Oil
14%inclusion1 decks7 decks
14%synergy
Phyrexian Reclamation
14%inclusion1 decks7 decks
4%synergy
Vampiric Rites
14%inclusion1 decks7 decks
8%synergy
Haunted One
14%inclusion1 decks7 decks
12%synergy
Relic Putrescence
14%inclusion1 decks7 decks
14%synergy
Intimidation
14%inclusion1 decks7 decks
14%synergy
Chthonian Nightmare
14%inclusion1 decks7 decks
11%synergy
Bastion of Remembrance
14%inclusion1 decks7 decks
-3%synergy
Cover of Darkness
14%inclusion1 decks7 decks
11%synergy
Oversold Cemetery
14%inclusion1 decks7 decks
9%synergy
Planeswalkers
Ob Nixilis Reignited
29%inclusion2 decks7 decks
26%synergy
Liliana of the Dark Realms
14%inclusion1 decks7 decks
0%synergy
Liliana, Death Mage
14%inclusion1 decks7 decks
13%synergy
Liliana, Death Wielder
14%inclusion1 decks7 decks
13%synergy
Utility Lands
Bojuka Bog
57%inclusion4 decks7 decks
10%synergy
Mortuary Mire
57%inclusion4 decks7 decks
44%synergy
Karn's Bastion
57%inclusion4 decks7 decks
53%synergy
Rogue's Passage
57%inclusion4 decks7 decks
38%synergy
Memorial to Folly
29%inclusion2 decks7 decks
25%synergy
Swarmyard
29%inclusion2 decks7 decks
23%synergy
Barren Moor
14%inclusion1 decks7 decks
5%synergy
Buried Ruin
14%inclusion1 decks7 decks
9%synergy
Witch's Cottage
14%inclusion1 decks7 decks
-10%synergy
Cabal Coffers
14%inclusion1 decks7 decks
-40%synergy
Geier Reach Sanitarium
14%inclusion1 decks7 decks
3%synergy
The Dross Pits
14%inclusion1 decks7 decks
13%synergy
Diamond City
14%inclusion1 decks7 decks
14%synergy
Thespian's Stage
14%inclusion1 decks7 decks
9%synergy
Reliquary Tower
14%inclusion1 decks7 decks
-16%synergy
HELIOS One
14%inclusion1 decks7 decks
14%synergy
Temple of the False God
14%inclusion1 decks7 decks
7%synergy
Sandstorm Verge
14%inclusion1 decks7 decks
14%synergy
Havengul Laboratory
14%inclusion1 decks7 decks
14%synergy
Access Tunnel
14%inclusion1 decks7 decks
11%synergy
Mana Artifacts
Sol Ring
71%inclusion5 decks7 decks
-14%synergy
Arcane Signet
43%inclusion3 decks7 decks
-19%synergy
Mind Stone
43%inclusion3 decks7 decks
14%synergy
Charcoal Diamond
29%inclusion2 decks7 decks
6%synergy
Patchwork Banner
29%inclusion2 decks7 decks
24%synergy
All-Fates Scroll
25%inclusion1 decks4 decks
25%synergy
Glistening Sphere
14%inclusion1 decks7 decks
13%synergy
Pristine Talisman
14%inclusion1 decks7 decks
12%synergy
Astral Cornucopia
14%inclusion1 decks7 decks
14%synergy
Lotus Blossom
14%inclusion1 decks7 decks
14%synergy
Heraldic Banner
14%inclusion1 decks7 decks
9%synergy
Phyrexian Atlas
14%inclusion1 decks7 decks
14%synergy
Lands
Swamp
100%inclusion7 decks7 decks
5%synergy
Path of Ancestry
71%inclusion5 decks7 decks
66%synergy
Big Apple, 3 a.m.
67%inclusion2 decks3 decks
65%synergy
Daily Bugle Building
50%inclusion2 decks4 decks
49%synergy
Command Tower
29%inclusion2 decks7 decks
23%synergy
Ash Barrens
29%inclusion2 decks7 decks
27%synergy
Evolving Wilds
29%inclusion2 decks7 decks
25%synergy
Command Bridge
25%inclusion1 decks4 decks
25%synergy
Vibrant Cityscape
25%inclusion1 decks4 decks
24%synergy
Terramorphic Expanse
14%inclusion1 decks7 decks
12%synergy
Myriad Landscape
14%inclusion1 decks7 decks
-11%synergy
Mirrex
14%inclusion1 decks7 decks
14%synergy
Riveteers Overlook
14%inclusion1 decks7 decks
14%synergy
Shire Terrace
14%inclusion1 decks7 decks
14%synergy
Demolition Field
14%inclusion1 decks7 decks
9%synergy
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