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

Karumonix, the Rat King
Rank #384
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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Rat King, Pale Piper
67%inclusion2 decks3 decks
62%synergy
Big Apple, 3 a.m.
33%inclusion1 decks3 decks
31%synergy
Tunnel Rats
33%inclusion1 decks3 decks
33%synergy
Splinter, Hamato Yoshi
33%inclusion1 decks3 decks
33%synergy
Splinter, the Mentor
25%inclusion1 decks4 decks
24%synergy
High Synergy Cards
Infectious Inquiry
100%inclusion7 decks7 decks
97%synergy
Ichor Rats
100%inclusion7 decks7 decks
97%synergy
Blightbelly Rat
100%inclusion7 decks7 decks
96%synergy
Drown in Ichor
100%inclusion7 decks7 decks
96%synergy
Septic Rats
86%inclusion6 decks7 decks
84%synergy
Rancid Rats
86%inclusion6 decks7 decks
83%synergy
Voracious Vermin
86%inclusion6 decks7 decks
83%synergy
Tangled Colony
86%inclusion6 decks7 decks
83%synergy
Lord Skitter's Butcher
86%inclusion6 decks7 decks
82%synergy
Vraska's Fall
86%inclusion6 decks7 decks
82%synergy
Top Cards
Pack Rat
86%inclusion6 decks7 decks
80%synergy
Typhoid Rats
86%inclusion6 decks7 decks
82%synergy
Ogre Slumlord
71%inclusion5 decks7 decks
61%synergy
Crypt Rats
71%inclusion5 decks7 decks
67%synergy
Icon of Ancestry
71%inclusion5 decks7 decks
70%synergy
Burglar Rat
71%inclusion5 decks7 decks
60%synergy
Persistent Marshstalker
71%inclusion5 decks7 decks
68%synergy
Pestilence Rats
71%inclusion5 decks7 decks
69%synergy
Stronghold Rats
71%inclusion5 decks7 decks
68%synergy
Necrogen Communion
71%inclusion5 decks7 decks
70%synergy
Creatures
Undercity Dire Rat
75%inclusion3 decks4 decks
73%synergy
Ravenous Rats
57%inclusion4 decks7 decks
55%synergy
Gnawing Vermin
57%inclusion4 decks7 decks
56%synergy
Nezumi Bladeblesser
57%inclusion4 decks7 decks
57%synergy
Swarm of Rats
57%inclusion4 decks7 decks
55%synergy
Chittering Skitterling
57%inclusion4 decks7 decks
56%synergy
Piper of the Swarm
57%inclusion4 decks7 decks
50%synergy
Lord Skitter, Sewer King
57%inclusion4 decks7 decks
49%synergy
Ruin Rat
57%inclusion4 decks7 decks
56%synergy
Razortooth Rats
43%inclusion3 decks7 decks
42%synergy
Twisted Sewer-Witch
43%inclusion3 decks7 decks
41%synergy
Nezumi Prowler
43%inclusion3 decks7 decks
41%synergy
Gnat Miser
43%inclusion3 decks7 decks
40%synergy
Refurbished Familiar
29%inclusion2 decks7 decks
26%synergy
Chittering Rats
29%inclusion2 decks7 decks
28%synergy
Relentless Rats
29%inclusion2 decks7 decks
27%synergy
Innocuous Rat
29%inclusion2 decks7 decks
27%synergy
Mukotai Ambusher
29%inclusion2 decks7 decks
28%synergy
Daggerfang Duo
29%inclusion2 decks7 decks
28%synergy
Throat Slitter
29%inclusion2 decks7 decks
27%synergy
Sinuous Vermin
29%inclusion2 decks7 decks
28%synergy
Engine Rat
29%inclusion2 decks7 decks
27%synergy
Chittering Witch
29%inclusion2 decks7 decks
24%synergy
Nezumi Cutthroat
29%inclusion2 decks7 decks
28%synergy
Gulping Scraptrap
29%inclusion2 decks7 decks
28%synergy
Elephant-Rat
25%inclusion1 decks4 decks
25%synergy
Bog Rats
14%inclusion1 decks7 decks
14%synergy
Patron of the Nezumi
14%inclusion1 decks7 decks
14%synergy
Plague Stinger
14%inclusion1 decks7 decks
13%synergy
Rabid Rats
14%inclusion1 decks7 decks
14%synergy
Nezumi Graverobber
14%inclusion1 decks7 decks
13%synergy
Grim Servant
14%inclusion1 decks7 decks
10%synergy
Gutter Skulk
14%inclusion1 decks7 decks
14%synergy
Graveshifter
14%inclusion1 decks7 decks
13%synergy
Rotting Rats
14%inclusion1 decks7 decks
11%synergy
Wick's Patrol
14%inclusion1 decks7 decks
14%synergy
Marrow-Gnawer
14%inclusion1 decks7 decks
11%synergy
Plague Myr
14%inclusion1 decks7 decks
13%synergy
Thornplate Intimidator
14%inclusion1 decks7 decks
13%synergy
Ruthless Radrat
14%inclusion1 decks7 decks
13%synergy
Nezumi Shortfang
14%inclusion1 decks7 decks
13%synergy
Insatiable Frugivore
14%inclusion1 decks7 decks
14%synergy
Skullsnatcher
14%inclusion1 decks7 decks
14%synergy
Nezumi Linkbreaker
14%inclusion1 decks7 decks
13%synergy
Locust Miser
14%inclusion1 decks7 decks
13%synergy
Dirty Wererat
14%inclusion1 decks7 decks
14%synergy
Ichorclaw Myr
14%inclusion1 decks7 decks
14%synergy
Ossuary Rats
14%inclusion1 decks7 decks
14%synergy
Changeling Outcast
14%inclusion1 decks7 decks
9%synergy
Nezumi Informant
14%inclusion1 decks7 decks
8%synergy
Instants
Whisper of the Dross
57%inclusion4 decks7 decks
54%synergy
Village Rites
57%inclusion4 decks7 decks
32%synergy
Rat Out
57%inclusion4 decks7 decks
56%synergy
Grim Affliction
57%inclusion4 decks7 decks
55%synergy
Anoint with Affliction
43%inclusion3 decks7 decks
42%synergy
Dark Ritual
43%inclusion3 decks7 decks
-24%synergy
Raise the Draugr
43%inclusion3 decks7 decks
42%synergy
Murder
43%inclusion3 decks7 decks
33%synergy
Corrupted Conviction
43%inclusion3 decks7 decks
30%synergy
Go for the Throat
29%inclusion2 decks7 decks
5%synergy
Not Dead After All
29%inclusion2 decks7 decks
17%synergy
Deadly Dispute
29%inclusion2 decks7 decks
3%synergy
Virulent Wound
29%inclusion2 decks7 decks
28%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
Hero's Downfall
14%inclusion1 decks7 decks
7%synergy
Hazel's Nocturne
14%inclusion1 decks7 decks
14%synergy
Consuming Corruption
14%inclusion1 decks7 decks
-1%synergy
Howl from Beyond
14%inclusion1 decks7 decks
14%synergy
Defile
14%inclusion1 decks7 decks
-22%synergy
Poison the Cup
14%inclusion1 decks7 decks
14%synergy
Supernatural Stamina
14%inclusion1 decks7 decks
7%synergy
Altar's Reap
14%inclusion1 decks7 decks
12%synergy
Winter's Intervention
14%inclusion1 decks7 decks
14%synergy
Darkness
14%inclusion1 decks7 decks
4%synergy
Tainted Strike
14%inclusion1 decks7 decks
11%synergy
Foul-Tongue Shriek
14%inclusion1 decks7 decks
12%synergy
Fake Your Own Death
14%inclusion1 decks7 decks
7%synergy
Consumed by Greed
14%inclusion1 decks7 decks
13%synergy
Alesha's Legacy
14%inclusion1 decks7 decks
13%synergy
Breathe Your Last
14%inclusion1 decks7 decks
12%synergy
Nasty End
14%inclusion1 decks7 decks
11%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
Spread the Sickness
57%inclusion4 decks7 decks
56%synergy
Revenge of the Rats
57%inclusion4 decks7 decks
54%synergy
Feed the Infection
43%inclusion3 decks7 decks
42%synergy
Unearth
43%inclusion3 decks7 decks
34%synergy
Caress of Phyrexia
43%inclusion3 decks7 decks
42%synergy
Sign in Blood
43%inclusion3 decks7 decks
7%synergy
Phyresis Outbreak
29%inclusion2 decks7 decks
27%synergy
Feed the Swarm
29%inclusion2 decks7 decks
-22%synergy
Read the Bones
29%inclusion2 decks7 decks
12%synergy
Night's Whisper
29%inclusion2 decks7 decks
4%synergy
Exsanguinate
29%inclusion2 decks7 decks
4%synergy
Crippling Fear
29%inclusion2 decks7 decks
25%synergy
Embrace Oblivion
25%inclusion1 decks4 decks
24%synergy
Bloodline Bidding
25%inclusion1 decks4 decks
20%synergy
Strategic Betrayal
14%inclusion1 decks7 decks
14%synergy
Victimize
14%inclusion1 decks7 decks
-12%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
Echoing Return
14%inclusion1 decks7 decks
11%synergy
Mutilate
14%inclusion1 decks7 decks
-3%synergy
Bone Shards
14%inclusion1 decks7 decks
11%synergy
Fell
14%inclusion1 decks7 decks
11%synergy
Annihilating Glare
14%inclusion1 decks7 decks
13%synergy
Syphon Mind
14%inclusion1 decks7 decks
2%synergy
Sever the Bloodline
14%inclusion1 decks7 decks
14%synergy
Geth's Summons
14%inclusion1 decks7 decks
14%synergy
Lab Rats
14%inclusion1 decks7 decks
14%synergy
Extinction
14%inclusion1 decks7 decks
14%synergy
Utility Artifacts
Contagion Clasp
57%inclusion4 decks7 decks
55%synergy
Vat of Rebirth
43%inclusion3 decks7 decks
39%synergy
Pyre of Heroes
29%inclusion2 decks7 decks
28%synergy
Bontu's Monument
29%inclusion2 decks7 decks
0%synergy
Herald's Horn
29%inclusion2 decks7 decks
23%synergy
Grafted Exoskeleton
29%inclusion2 decks7 decks
27%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
Prosthetic Injector
14%inclusion1 decks7 decks
14%synergy
Vanquisher's Banner
14%inclusion1 decks7 decks
10%synergy
Recon Craft Theta
14%inclusion1 decks7 decks
14%synergy
Jet Medallion
14%inclusion1 decks7 decks
-47%synergy
Brotherhood Regalia
14%inclusion1 decks7 decks
12%synergy
Forebear's Blade
14%inclusion1 decks7 decks
14%synergy
Enchantments
Phyresis
43%inclusion3 decks7 decks
41%synergy
Phyrexian Arena
43%inclusion3 decks7 decks
3%synergy
Vampiric Rites
29%inclusion2 decks7 decks
23%synergy
Tribute to Horobi
29%inclusion2 decks7 decks
28%synergy
Bad Moon
29%inclusion2 decks7 decks
25%synergy
Sothera, the Supervoid
25%inclusion1 decks4 decks
22%synergy
Greed
14%inclusion1 decks7 decks
7%synergy
Black Market
14%inclusion1 decks7 decks
-7%synergy
Consecrated by Blood
14%inclusion1 decks7 decks
14%synergy
Okiba Reckoner Raid
14%inclusion1 decks7 decks
14%synergy
Glistening Oil
14%inclusion1 decks7 decks
14%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
Endless Scream
14%inclusion1 decks7 decks
14%synergy
Oversold Cemetery
14%inclusion1 decks7 decks
9%synergy
Planeswalkers
Ob Nixilis Reignited
14%inclusion1 decks7 decks
12%synergy
Liliana of the Dark Realms
14%inclusion1 decks7 decks
0%synergy
Liliana, Death Wielder
14%inclusion1 decks7 decks
13%synergy
Utility Lands
Mudflat Village
71%inclusion5 decks7 decks
69%synergy
Mortuary Mire
57%inclusion4 decks7 decks
44%synergy
Karn's Bastion
43%inclusion3 decks7 decks
39%synergy
Rogue's Passage
43%inclusion3 decks7 decks
24%synergy
Bojuka Bog
29%inclusion2 decks7 decks
-18%synergy
Memorial to Folly
29%inclusion2 decks7 decks
25%synergy
Barren Moor
29%inclusion2 decks7 decks
19%synergy
Witch's Cottage
29%inclusion2 decks7 decks
4%synergy
Phyrexian Tower
14%inclusion1 decks7 decks
-11%synergy
Desert of the Glorified
14%inclusion1 decks7 decks
12%synergy
Buried Ruin
14%inclusion1 decks7 decks
9%synergy
Swarmyard
14%inclusion1 decks7 decks
9%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
Polluted Mire
14%inclusion1 decks7 decks
11%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
6%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
Everglades
14%inclusion1 decks7 decks
13%synergy
Mana Artifacts
Sol Ring
71%inclusion5 decks7 decks
-14%synergy
Arcane Signet
57%inclusion4 decks7 decks
-5%synergy
Charcoal Diamond
43%inclusion3 decks7 decks
20%synergy
Heraldic Banner
43%inclusion3 decks7 decks
37%synergy
Mind Stone
43%inclusion3 decks7 decks
14%synergy
Patchwork Banner
29%inclusion2 decks7 decks
24%synergy
Phyrexian Atlas
29%inclusion2 decks7 decks
28%synergy
All-Fates Scroll
25%inclusion1 decks4 decks
25%synergy
Commander's Sphere
14%inclusion1 decks7 decks
6%synergy
Staff of Compleation
14%inclusion1 decks7 decks
13%synergy
Pristine Talisman
14%inclusion1 decks7 decks
12%synergy
Astral Cornucopia
14%inclusion1 decks7 decks
14%synergy
Thought Vessel
14%inclusion1 decks7 decks
-11%synergy
Thran Dynamo
14%inclusion1 decks7 decks
8%synergy
Worn Powerstone
14%inclusion1 decks7 decks
10%synergy
Lands
Swamp
100%inclusion7 decks7 decks
5%synergy
Path of Ancestry
57%inclusion4 decks7 decks
52%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
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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