Karumonix, the Rat King (Commander) - Budget Optimized

Karumonix, the Rat King
Rank #385
7decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for Building Rat Typal With Marrow-Gnawer
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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Shredder's Technique
25%inclusion1 decks4 decks
21%synergy
High Synergy Cards
Infectious Inquiry
100%inclusion7 decks7 decks
97%synergy
Ichor Rats
100%inclusion7 decks7 decks
97%synergy
Marrow-Gnawer
100%inclusion7 decks7 decks
97%synergy
Blightbelly Rat
100%inclusion7 decks7 decks
96%synergy
Piper of the Swarm
100%inclusion7 decks7 decks
93%synergy
Lord Skitter, Sewer King
100%inclusion7 decks7 decks
92%synergy
Necrogen Communion
86%inclusion6 decks7 decks
84%synergy
Septic Rats
86%inclusion6 decks7 decks
84%synergy
Whisper of the Dross
86%inclusion6 decks7 decks
83%synergy
Tangled Colony
86%inclusion6 decks7 decks
83%synergy
Top Cards
Vraska's Fall
86%inclusion6 decks7 decks
82%synergy
Drown in Ichor
86%inclusion6 decks7 decks
82%synergy
Ogre Slumlord
86%inclusion6 decks7 decks
76%synergy
Crypt Rats
86%inclusion6 decks7 decks
81%synergy
Pack Rat
86%inclusion6 decks7 decks
80%synergy
Spread the Sickness
71%inclusion5 decks7 decks
71%synergy
Lord Skitter's Butcher
71%inclusion5 decks7 decks
68%synergy
Dark Ritual
71%inclusion5 decks7 decks
5%synergy
Chittering Witch
71%inclusion5 decks7 decks
67%synergy
Bontu's Monument
71%inclusion5 decks7 decks
43%synergy
Game Changers
Bolas's Citadel
29%inclusion2 decks7 decks
0%synergy
Braids, Cabal Minion
14%inclusion1 decks7 decks
11%synergy
Creatures
Wave of Rats
71%inclusion5 decks7 decks
70%synergy
Engine Rat
71%inclusion5 decks7 decks
70%synergy
Voracious Vermin
71%inclusion5 decks7 decks
68%synergy
Rancid Rats
71%inclusion5 decks7 decks
69%synergy
Stronghold Rats
71%inclusion5 decks7 decks
68%synergy
Burglar Rat
57%inclusion4 decks7 decks
46%synergy
Chittering Skitterling
57%inclusion4 decks7 decks
56%synergy
Ratcatcher
57%inclusion4 decks7 decks
54%synergy
Gulping Scraptrap
57%inclusion4 decks7 decks
57%synergy
Pestilence Rats
43%inclusion3 decks7 decks
41%synergy
Rat Colony
43%inclusion3 decks7 decks
37%synergy
Old Flitterfang
43%inclusion3 decks7 decks
42%synergy
Razortooth Rats
43%inclusion3 decks7 decks
42%synergy
Twisted Sewer-Witch
43%inclusion3 decks7 decks
41%synergy
Nezumi Bone-Reader
43%inclusion3 decks7 decks
42%synergy
Typhoid Rats
43%inclusion3 decks7 decks
39%synergy
Gnat Miser
43%inclusion3 decks7 decks
40%synergy
Plague Stinger
29%inclusion2 decks7 decks
28%synergy
Rotting Rats
29%inclusion2 decks7 decks
25%synergy
Drainpipe Vermin
29%inclusion2 decks7 decks
27%synergy
Scheming Aspirant
29%inclusion2 decks7 decks
28%synergy
Swarm of Rats
29%inclusion2 decks7 decks
26%synergy
Burnished Hart
29%inclusion2 decks7 decks
21%synergy
Ruin Rat
29%inclusion2 decks7 decks
27%synergy
Ravenous Rats
29%inclusion2 decks7 decks
27%synergy
Infected Vermin
29%inclusion2 decks7 decks
28%synergy
Locust Miser
29%inclusion2 decks7 decks
27%synergy
Nashi, Moon Sage's Scion
29%inclusion2 decks7 decks
25%synergy
Skithiryx, the Blight Dragon
29%inclusion2 decks7 decks
27%synergy
Crashing Drawbridge
14%inclusion1 decks7 decks
12%synergy
Nezumi Bladeblesser
14%inclusion1 decks7 decks
14%synergy
Scrib Nibblers
14%inclusion1 decks7 decks
14%synergy
Persistent Marshstalker
14%inclusion1 decks7 decks
11%synergy
Changeling Outcast
14%inclusion1 decks7 decks
9%synergy
Pitiless Plunderer
14%inclusion1 decks7 decks
-5%synergy
Nimraiser Paladin
14%inclusion1 decks7 decks
14%synergy
Hand of the Praetors
14%inclusion1 decks7 decks
14%synergy
Refurbished Familiar
14%inclusion1 decks7 decks
12%synergy
Core Prowler
14%inclusion1 decks7 decks
14%synergy
Dread Presence
14%inclusion1 decks7 decks
0%synergy
Whispering Specter
14%inclusion1 decks7 decks
14%synergy
Reaper of Sheoldred
14%inclusion1 decks7 decks
14%synergy
Ruthless Radrat
14%inclusion1 decks7 decks
13%synergy
Skullsnatcher
14%inclusion1 decks7 decks
14%synergy
Ink-Eyes, Servant of Oni
14%inclusion1 decks7 decks
11%synergy
Earsplitting Rats
14%inclusion1 decks7 decks
14%synergy
Phyrexian Crusader
14%inclusion1 decks7 decks
13%synergy
Nezumi Informant
14%inclusion1 decks7 decks
8%synergy
Nezumi Prowler
14%inclusion1 decks7 decks
13%synergy
Crackdown Construct
14%inclusion1 decks7 decks
14%synergy
Instants
Grim Affliction
71%inclusion5 decks7 decks
69%synergy
Village Rites
57%inclusion4 decks7 decks
32%synergy
Go for the Throat
57%inclusion4 decks7 decks
34%synergy
Deadly Dispute
43%inclusion3 decks7 decks
17%synergy
Virulent Wound
43%inclusion3 decks7 decks
42%synergy
Corrupted Conviction
43%inclusion3 decks7 decks
30%synergy
Tragic Slip
43%inclusion3 decks7 decks
23%synergy
Rat Out
29%inclusion2 decks7 decks
27%synergy
Anoint with Affliction
29%inclusion2 decks7 decks
28%synergy
Withering Torment
29%inclusion2 decks7 decks
-3%synergy
Deadly Rollick
29%inclusion2 decks7 decks
4%synergy
Tainted Strike
29%inclusion2 decks7 decks
26%synergy
Not Dead After All
14%inclusion1 decks7 decks
3%synergy
Doom Blade
14%inclusion1 decks7 decks
7%synergy
Undying Evil
14%inclusion1 decks7 decks
11%synergy
Murder
14%inclusion1 decks7 decks
4%synergy
Infernal Grasp
14%inclusion1 decks7 decks
-11%synergy
Death Denied
14%inclusion1 decks7 decks
13%synergy
Consuming Corruption
14%inclusion1 decks7 decks
-1%synergy
Defile
14%inclusion1 decks7 decks
-22%synergy
Foul-Tongue Shriek
14%inclusion1 decks7 decks
12%synergy
Cremate
14%inclusion1 decks7 decks
13%synergy
Desperate Measures
14%inclusion1 decks7 decks
14%synergy
Sorceries
Vat Emergence
71%inclusion5 decks7 decks
70%synergy
Phyresis Outbreak
57%inclusion4 decks7 decks
55%synergy
Read the Bones
57%inclusion4 decks7 decks
40%synergy
Feed the Infection
57%inclusion4 decks7 decks
56%synergy
Night's Whisper
57%inclusion4 decks7 decks
33%synergy
Sign in Blood
57%inclusion4 decks7 decks
22%synergy
Revenge of the Rats
43%inclusion3 decks7 decks
40%synergy
Feed the Swarm
43%inclusion3 decks7 decks
-8%synergy
Mutilate
29%inclusion2 decks7 decks
11%synergy
Final Parting
29%inclusion2 decks7 decks
24%synergy
Geth's Summons
29%inclusion2 decks7 decks
28%synergy
Crippling Fear
29%inclusion2 decks7 decks
25%synergy
Caress of Phyrexia
29%inclusion2 decks7 decks
28%synergy
Stench of Evil
14%inclusion1 decks7 decks
14%synergy
Diabolic Tutor
14%inclusion1 decks7 decks
0%synergy
Break the Ice
14%inclusion1 decks7 decks
14%synergy
Victimize
14%inclusion1 decks7 decks
-12%synergy
Death Cloud
14%inclusion1 decks7 decks
12%synergy
Swallowing Plague
14%inclusion1 decks7 decks
14%synergy
Toxic Deluge
14%inclusion1 decks7 decks
-22%synergy
Stitch Together
14%inclusion1 decks7 decks
11%synergy
Gruesome Fate
14%inclusion1 decks7 decks
12%synergy
Increasing Ambition
14%inclusion1 decks7 decks
14%synergy
Lively Dirge
14%inclusion1 decks7 decks
11%synergy
Swarmyard Massacre
14%inclusion1 decks7 decks
12%synergy
Dark Petition
14%inclusion1 decks7 decks
10%synergy
In Garruk's Wake
14%inclusion1 decks7 decks
10%synergy
Unearth
14%inclusion1 decks7 decks
6%synergy
Dread Charge
14%inclusion1 decks7 decks
14%synergy
Buried Alive
14%inclusion1 decks7 decks
2%synergy
Beseech the Queen
14%inclusion1 decks7 decks
8%synergy
Utility Artifacts
Swiftfoot Boots
43%inclusion3 decks7 decks
11%synergy
Thornbite Staff
43%inclusion3 decks7 decks
40%synergy
Contagion Engine
43%inclusion3 decks7 decks
41%synergy
Vanquisher's Banner
43%inclusion3 decks7 decks
39%synergy
Contagion Clasp
43%inclusion3 decks7 decks
41%synergy
Wayfarer's Bauble
29%inclusion2 decks7 decks
13%synergy
Jet Medallion
29%inclusion2 decks7 decks
-33%synergy
Herald's Horn
29%inclusion2 decks7 decks
23%synergy
Mishra's Bauble
14%inclusion1 decks7 decks
13%synergy
Expedition Map
14%inclusion1 decks7 decks
2%synergy
Lightning Greaves
14%inclusion1 decks7 decks
-19%synergy
Winter Moon
14%inclusion1 decks7 decks
13%synergy
Enchantments
Phyrexian Arena
57%inclusion4 decks7 decks
17%synergy
Phyresis
57%inclusion4 decks7 decks
55%synergy
Cover of Darkness
43%inclusion3 decks7 decks
40%synergy
Relic Putrescence
29%inclusion2 decks7 decks
28%synergy
Lord Skitter's Blessing
29%inclusion2 decks7 decks
28%synergy
Greed
29%inclusion2 decks7 decks
22%synergy
Oversold Cemetery
29%inclusion2 decks7 decks
23%synergy
Bad Moon
29%inclusion2 decks7 decks
25%synergy
Black Market
14%inclusion1 decks7 decks
-7%synergy
Contaminated Bond
14%inclusion1 decks7 decks
14%synergy
Snake Cult Initiation
14%inclusion1 decks7 decks
14%synergy
Price of Knowledge
14%inclusion1 decks7 decks
14%synergy
Contamination
14%inclusion1 decks7 decks
11%synergy
Contaminated Ground
14%inclusion1 decks7 decks
14%synergy
Vampiric Rites
14%inclusion1 decks7 decks
8%synergy
Call of the Ring
14%inclusion1 decks7 decks
12%synergy
Grievous Wound
14%inclusion1 decks7 decks
12%synergy
Chthonian Nightmare
14%inclusion1 decks7 decks
11%synergy
Planeswalkers
Vraska, Betrayal's Sting
71%inclusion5 decks7 decks
69%synergy
Liliana of the Dark Realms
29%inclusion2 decks7 decks
15%synergy
Sorin Markov
14%inclusion1 decks7 decks
12%synergy
Utility Lands
Mudflat Village
71%inclusion5 decks7 decks
69%synergy
Bojuka Bog
71%inclusion5 decks7 decks
25%synergy
Karn's Bastion
57%inclusion4 decks7 decks
53%synergy
Mortuary Mire
43%inclusion3 decks7 decks
30%synergy
Swarmyard
43%inclusion3 decks7 decks
37%synergy
Rogue's Passage
29%inclusion2 decks7 decks
10%synergy
Witch's Cottage
14%inclusion1 decks7 decks
-10%synergy
Temple of the False God
14%inclusion1 decks7 decks
6%synergy
Command Beacon
14%inclusion1 decks7 decks
6%synergy
Reliquary Tower
14%inclusion1 decks7 decks
-16%synergy
Access Tunnel
14%inclusion1 decks7 decks
11%synergy
Crypt of Agadeem
14%inclusion1 decks7 decks
3%synergy
Mana Artifacts
Sol Ring
100%inclusion7 decks7 decks
14%synergy
Arcane Signet
57%inclusion4 decks7 decks
-5%synergy
Glistening Sphere
43%inclusion3 decks7 decks
42%synergy
Mind Stone
43%inclusion3 decks7 decks
14%synergy
Everflowing Chalice
29%inclusion2 decks7 decks
23%synergy
Fellwar Stone
29%inclusion2 decks7 decks
14%synergy
Thought Vessel
29%inclusion2 decks7 decks
3%synergy
Gilded Lotus
29%inclusion2 decks7 decks
23%synergy
Star Compass
14%inclusion1 decks7 decks
13%synergy
Staff of Compleation
14%inclusion1 decks7 decks
13%synergy
Charcoal Diamond
14%inclusion1 decks7 decks
-8%synergy
Lands
Swamp
100%inclusion7 decks7 decks
5%synergy
Path of Ancestry
43%inclusion3 decks7 decks
38%synergy
Myriad Landscape
29%inclusion2 decks7 decks
3%synergy
Command Tower
29%inclusion2 decks7 decks
23%synergy
Terramorphic Expanse
14%inclusion1 decks7 decks
12%synergy
Exotic Orchard
14%inclusion1 decks7 decks
13%synergy
Secluded Courtyard
14%inclusion1 decks7 decks
14%synergy
Spire of Industry
14%inclusion1 decks7 decks
14%synergy
Evolving Wilds
14%inclusion1 decks7 decks
11%synergy
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