Karumonix, the Rat King (Commander) - Budget Upgraded

Karumonix, the Rat King
Rank #398
33decks
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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Sorceries
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Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Blightbelly Rat
94%inclusion31 decks33 decks
91%synergy
Typhoid Rats
94%inclusion31 decks33 decks
90%synergy
Lord Skitter's Butcher
85%inclusion28 decks33 decks
82%synergy
Vraska's Fall
79%inclusion26 decks33 decks
76%synergy
Piper of the Swarm
82%inclusion27 decks33 decks
75%synergy
Septic Rats
76%inclusion25 decks33 decks
74%synergy
Rancid Rats
76%inclusion25 decks33 decks
73%synergy
Infectious Inquiry
76%inclusion25 decks33 decks
73%synergy
Ichor Rats
76%inclusion25 decks33 decks
73%synergy
Ogre Slumlord
82%inclusion27 decks33 decks
72%synergy
Top Cards
Lord Skitter, Sewer King
79%inclusion26 decks33 decks
71%synergy
Pack Rat
73%inclusion24 decks33 decks
67%synergy
Drown in Ichor
73%inclusion24 decks33 decks
69%synergy
Rat King, Pale Piper
70%inclusion7 decks10 decks
66%synergy
Tangled Colony
70%inclusion23 decks33 decks
67%synergy
Whisper of the Dross
67%inclusion22 decks33 decks
64%synergy
Marrow-Gnawer
67%inclusion22 decks33 decks
63%synergy
Persistent Marshstalker
67%inclusion22 decks33 decks
64%synergy
Voracious Vermin
67%inclusion22 decks33 decks
64%synergy
Crypt Rats
64%inclusion21 decks33 decks
59%synergy
Game Changers
Bolas's Citadel
24%inclusion8 decks33 decks
-4%synergy
Creatures
Burglar Rat
61%inclusion20 decks33 decks
50%synergy
Gnat Miser
61%inclusion20 decks33 decks
58%synergy
Undercity Dire Rat
58%inclusion15 decks26 decks
56%synergy
Chittering Skitterling
52%inclusion17 decks33 decks
51%synergy
Nezumi Cutthroat
52%inclusion17 decks33 decks
51%synergy
Changeling Outcast
48%inclusion16 decks33 decks
43%synergy
Stronghold Rats
48%inclusion16 decks33 decks
45%synergy
Ruin Rat
48%inclusion16 decks33 decks
47%synergy
Twisted Sewer-Witch
45%inclusion15 decks33 decks
44%synergy
Ravenous Rats
42%inclusion14 decks33 decks
41%synergy
Wave of Rats
42%inclusion14 decks33 decks
41%synergy
Swarm of Rats
39%inclusion13 decks33 decks
37%synergy
Nezumi Informant
39%inclusion13 decks33 decks
33%synergy
Pestilence Rats
39%inclusion13 decks33 decks
37%synergy
Drainpipe Vermin
39%inclusion13 decks33 decks
38%synergy
Rotting Rats
36%inclusion12 decks33 decks
33%synergy
Gnawing Vermin
36%inclusion12 decks33 decks
35%synergy
Razortooth Rats
36%inclusion12 decks33 decks
36%synergy
Engine Rat
36%inclusion12 decks33 decks
35%synergy
Rat King, Verminister
36%inclusion4 decks11 decks
33%synergy
Chittering Witch
33%inclusion11 decks33 decks
29%synergy
Nezumi Prowler
33%inclusion11 decks33 decks
32%synergy
Ratcatcher
33%inclusion11 decks33 decks
30%synergy
Rat Colony
30%inclusion10 decks33 decks
25%synergy
Splinter, Hamato Yoshi
30%inclusion3 decks10 decks
30%synergy
Refurbished Familiar
27%inclusion9 decks33 decks
25%synergy
Ink-Eyes, Servant of Oni
27%inclusion9 decks33 decks
24%synergy
Nezumi Graverobber
24%inclusion8 decks33 decks
23%synergy
Ayara, First of Locthwain
24%inclusion8 decks33 decks
-1%synergy
Gray Merchant of Asphodel
24%inclusion8 decks33 decks
-26%synergy
Throat Slitter
24%inclusion8 decks33 decks
22%synergy
Valley Rotcaller
24%inclusion8 decks33 decks
22%synergy
Bog Rats
21%inclusion7 decks33 decks
21%synergy
Chittering Rats
21%inclusion7 decks33 decks
21%synergy
Mukotai Ambusher
18%inclusion6 decks33 decks
17%synergy
Nezumi Bladeblesser
18%inclusion6 decks33 decks
18%synergy
Adaptive Automaton
18%inclusion6 decks33 decks
17%synergy
Locust Miser
18%inclusion6 decks33 decks
17%synergy
Nashi, Moon Sage's Scion
18%inclusion6 decks33 decks
14%synergy
Old Flitterfang
18%inclusion6 decks33 decks
17%synergy
Elephant-Rat
17%inclusion4 decks23 decks
17%synergy
Patron of the Nezumi
15%inclusion5 decks33 decks
15%synergy
Innocuous Rat
15%inclusion5 decks33 decks
14%synergy
Nezumi Shortfang
15%inclusion5 decks33 decks
14%synergy
Skullsnatcher
15%inclusion5 decks33 decks
15%synergy
Nezumi Bone-Reader
15%inclusion5 decks33 decks
14%synergy
Sewer Rats
15%inclusion5 decks33 decks
15%synergy
Relentless Rats
12%inclusion4 decks33 decks
10%synergy
Gutter Skulk
12%inclusion4 decks33 decks
12%synergy
Daggerfang Duo
12%inclusion4 decks33 decks
11%synergy
Instants
Dark Ritual
58%inclusion19 decks33 decks
-9%synergy
Grim Affliction
48%inclusion16 decks33 decks
47%synergy
Village Rites
45%inclusion15 decks33 decks
20%synergy
Deadly Dispute
36%inclusion12 decks33 decks
10%synergy
Rat Out
36%inclusion12 decks33 decks
35%synergy
Murder
36%inclusion12 decks33 decks
27%synergy
Go for the Throat
27%inclusion9 decks33 decks
5%synergy
Virulent Wound
24%inclusion8 decks33 decks
24%synergy
Hero's Downfall
21%inclusion7 decks33 decks
15%synergy
Defile
21%inclusion7 decks33 decks
-14%synergy
Consuming Corruption
18%inclusion6 decks33 decks
3%synergy
Tragic Slip
18%inclusion6 decks33 decks
-1%synergy
Anoint with Affliction
15%inclusion5 decks33 decks
15%synergy
Doom Blade
15%inclusion5 decks33 decks
8%synergy
Raise the Draugr
15%inclusion5 decks33 decks
14%synergy
Tainted Strike
15%inclusion5 decks33 decks
12%synergy
Corrupted Conviction
15%inclusion5 decks33 decks
3%synergy
Infernal Grasp
15%inclusion5 decks33 decks
-10%synergy
Fake Your Own Death
12%inclusion4 decks33 decks
5%synergy
Altar's Reap
12%inclusion4 decks33 decks
10%synergy
Drag to the Underworld
12%inclusion4 decks33 decks
11%synergy
Gravepurge
12%inclusion4 decks33 decks
11%synergy
Foul-Tongue Shriek
12%inclusion4 decks33 decks
10%synergy
Breathe Your Last
9.1%inclusion3 decks33 decks
7%synergy
Withering Torment
9.1%inclusion3 decks33 decks
-22%synergy
Defenestrate
9.1%inclusion3 decks33 decks
9%synergy
Archenemy's Charm
8.7%inclusion2 decks23 decks
-0%synergy
Alesha's Legacy
6.5%inclusion2 decks31 decks
5%synergy
Give In to Violence
6.1%inclusion2 decks33 decks
6%synergy
Sheoldred's Edict
6.1%inclusion2 decks33 decks
-9%synergy
Imp's Mischief
6.1%inclusion2 decks33 decks
-19%synergy
Hazel's Nocturne
6.1%inclusion2 decks33 decks
5%synergy
Not Dead After All
6.1%inclusion2 decks33 decks
-5%synergy
Undying Malice
6.1%inclusion2 decks33 decks
-4%synergy
Culling the Weak
6.1%inclusion2 decks33 decks
-11%synergy
Consumed by Greed
6.1%inclusion2 decks33 decks
5%synergy
Offer Immortality
6.1%inclusion2 decks33 decks
4%synergy
Death Denied
6.1%inclusion2 decks33 decks
5%synergy
Sorceries
Revenge of the Rats
58%inclusion19 decks33 decks
54%synergy
Vat Emergence
42%inclusion14 decks33 decks
41%synergy
Diabolic Tutor
39%inclusion13 decks33 decks
25%synergy
Spread the Sickness
36%inclusion12 decks33 decks
36%synergy
Crippling Fear
36%inclusion12 decks33 decks
33%synergy
Feed the Swarm
33%inclusion11 decks33 decks
-17%synergy
Sign in Blood
30%inclusion10 decks33 decks
-5%synergy
Read the Bones
27%inclusion9 decks33 decks
11%synergy
Victimize
21%inclusion7 decks33 decks
-6%synergy
Feed the Infection
21%inclusion7 decks33 decks
21%synergy
Unearth
21%inclusion7 decks33 decks
12%synergy
Night's Whisper
21%inclusion7 decks33 decks
-4%synergy
Mutilate
18%inclusion6 decks33 decks
2%synergy
Phyresis Outbreak
18%inclusion6 decks33 decks
17%synergy
Syphon Mind
18%inclusion6 decks33 decks
6%synergy
Bloodline Bidding
15%inclusion2 decks13 decks
11%synergy
Return from Extinction
15%inclusion5 decks33 decks
15%synergy
Caress of Phyrexia
15%inclusion5 decks33 decks
15%synergy
Geth's Summons
15%inclusion5 decks33 decks
15%synergy
Forever Young
12%inclusion4 decks33 decks
11%synergy
Swarmyard Massacre
12%inclusion4 decks33 decks
10%synergy
Predators' Hour
12%inclusion4 decks33 decks
11%synergy
In Garruk's Wake
12%inclusion4 decks33 decks
8%synergy
Lab Rats
12%inclusion4 decks33 decks
12%synergy
Kindred Dominance
12%inclusion4 decks33 decks
7%synergy
Gruesome Fate
12%inclusion4 decks33 decks
10%synergy
Eaten Alive
12%inclusion4 decks33 decks
9%synergy
Pull from the Grave
11%inclusion1 decks9 decks
10%synergy
Send in the Pest
11%inclusion1 decks9 decks
9%synergy
Bone Splinters
9.1%inclusion3 decks33 decks
7%synergy
Patriarch's Bidding
9.1%inclusion3 decks33 decks
5%synergy
Ambition's Cost
9.1%inclusion3 decks33 decks
6%synergy
Ancient Craving
9.1%inclusion3 decks33 decks
7%synergy
Decree of Pain
9.1%inclusion3 decks33 decks
4%synergy
Fell
9.1%inclusion3 decks33 decks
6%synergy
Toxic Deluge
9.1%inclusion3 decks33 decks
-28%synergy
Strategic Betrayal
6.5%inclusion2 decks31 decks
6%synergy
Command the Dreadhorde
6.1%inclusion2 decks33 decks
5%synergy
Profane Tutor
6.1%inclusion2 decks33 decks
2%synergy
Haunting Voyage
6.1%inclusion2 decks33 decks
5%synergy
Echoing Return
6.1%inclusion2 decks33 decks
3%synergy
Bone Shards
6.1%inclusion2 decks33 decks
3%synergy
Exsanguinate
6.1%inclusion2 decks33 decks
-19%synergy
March of the Returned
6.1%inclusion2 decks33 decks
6%synergy
Hex
6.1%inclusion2 decks33 decks
5%synergy
Living Death
6.1%inclusion2 decks33 decks
-4%synergy
Dirge of Dread
6.1%inclusion2 decks33 decks
6%synergy
Profane Command
6.1%inclusion2 decks33 decks
4%synergy
Pact of the Serpent
6.1%inclusion2 decks33 decks
4%synergy
Utility Artifacts
Bontu's Monument
58%inclusion19 decks33 decks
29%synergy
Herald's Horn
42%inclusion14 decks33 decks
37%synergy
Contagion Clasp
39%inclusion13 decks33 decks
37%synergy
Icon of Ancestry
24%inclusion8 decks33 decks
23%synergy
Swiftfoot Boots
24%inclusion8 decks33 decks
-7%synergy
Vanquisher's Banner
21%inclusion7 decks33 decks
17%synergy
Jet Medallion
21%inclusion7 decks33 decks
-41%synergy
Gathering Stone
15%inclusion2 decks13 decks
14%synergy
Wayfarer's Bauble
15%inclusion5 decks33 decks
0%synergy
Hall of Triumph
12%inclusion4 decks33 decks
12%synergy
Door of Destinies
12%inclusion4 decks33 decks
10%synergy
Skullclamp
12%inclusion4 decks33 decks
-10%synergy
Thieves' Tools
12%inclusion4 decks33 decks
10%synergy
Vat of Rebirth
9.1%inclusion3 decks33 decks
6%synergy
Sword of the Squeak
9.1%inclusion3 decks33 decks
9%synergy
Grafted Exoskeleton
9.1%inclusion3 decks33 decks
8%synergy
Thornbite Staff
9.1%inclusion3 decks33 decks
6%synergy
Stalactite Dagger
7.7%inclusion1 decks13 decks
8%synergy
Ashnod's Altar
6.1%inclusion2 decks33 decks
-14%synergy
Coat of Arms
6.1%inclusion2 decks33 decks
3%synergy
Banner of Kinship
6.1%inclusion2 decks33 decks
4%synergy
Horn of the Mark
6.1%inclusion2 decks33 decks
6%synergy
Recon Craft Theta
6.1%inclusion2 decks33 decks
6%synergy
Prosthetic Injector
6.1%inclusion2 decks33 decks
6%synergy
Lightning Greaves
6.1%inclusion2 decks33 decks
-28%synergy
Enchantments
Necrogen Communion
48%inclusion16 decks33 decks
47%synergy
Phyresis
30%inclusion10 decks33 decks
28%synergy
Black Market
18%inclusion6 decks33 decks
-2%synergy
Tribute to Horobi
18%inclusion6 decks33 decks
17%synergy
Cover of Darkness
18%inclusion6 decks33 decks
15%synergy
Bad Moon
18%inclusion6 decks33 decks
15%synergy
Oversold Cemetery
15%inclusion5 decks33 decks
10%synergy
Intimidation
15%inclusion5 decks33 decks
15%synergy
Phyrexian Arena
15%inclusion5 decks33 decks
-24%synergy
Haunted One
12%inclusion4 decks33 decks
10%synergy
Lord Skitter's Blessing
12%inclusion4 decks33 decks
11%synergy
Vampiric Rites
9.1%inclusion3 decks33 decks
3%synergy
Relic Putrescence
9.1%inclusion3 decks33 decks
9%synergy
Mornsong Aria
7.7%inclusion1 decks13 decks
6%synergy
Greed
6.1%inclusion2 decks33 decks
-0%synergy
Sporogenic Infection
6.1%inclusion2 decks33 decks
6%synergy
Okiba Reckoner Raid
6.1%inclusion2 decks33 decks
6%synergy
Glistening Oil
6.1%inclusion2 decks33 decks
5%synergy
Phyrexian Reclamation
6.1%inclusion2 decks33 decks
-4%synergy
No Mercy
6.1%inclusion2 decks33 decks
-1%synergy
Snake Cult Initiation
6.1%inclusion2 decks33 decks
6%synergy
Bastion of Remembrance
6.1%inclusion2 decks33 decks
-11%synergy
Planeswalkers
Vraska, Betrayal's Sting
24%inclusion8 decks33 decks
22%synergy
Liliana of the Dark Realms
12%inclusion4 decks33 decks
-2%synergy
Utility Lands
Mudflat Village
52%inclusion17 decks33 decks
49%synergy
Rogue's Passage
48%inclusion16 decks33 decks
29%synergy
Karn's Bastion
45%inclusion15 decks33 decks
42%synergy
Mortuary Mire
36%inclusion12 decks33 decks
23%synergy
Bojuka Bog
33%inclusion11 decks33 decks
-14%synergy
Swarmyard
27%inclusion9 decks33 decks
22%synergy
Barren Moor
18%inclusion6 decks33 decks
9%synergy
Witch's Cottage
18%inclusion6 decks33 decks
-6%synergy
Access Tunnel
18%inclusion6 decks33 decks
15%synergy
Temple of the False God
15%inclusion5 decks33 decks
7%synergy
Memorial to Folly
12%inclusion4 decks33 decks
9%synergy
Reliquary Tower
12%inclusion4 decks33 decks
-18%synergy
Haunted Fengraf
9.1%inclusion3 decks33 decks
9%synergy
Subterranean Hangar
6.1%inclusion2 decks33 decks
6%synergy
Thespian's Stage
6.1%inclusion2 decks33 decks
1%synergy
Mana Artifacts
Sol Ring
76%inclusion25 decks33 decks
-10%synergy
Arcane Signet
45%inclusion15 decks33 decks
-16%synergy
Charcoal Diamond
36%inclusion12 decks33 decks
14%synergy
Heraldic Banner
30%inclusion10 decks33 decks
25%synergy
Mind Stone
27%inclusion9 decks33 decks
-1%synergy
Patchwork Banner
24%inclusion8 decks33 decks
20%synergy
Phyrexian Atlas
15%inclusion5 decks33 decks
15%synergy
Commander's Sphere
12%inclusion4 decks33 decks
4%synergy
Thought Vessel
12%inclusion4 decks33 decks
-13%synergy
Caged Sun
6.1%inclusion2 decks33 decks
-5%synergy
Staff of Compleation
6.1%inclusion2 decks33 decks
4%synergy
Worn Powerstone
6.1%inclusion2 decks33 decks
2%synergy
Lands
Swamp
100%inclusion33 decks33 decks
5%synergy
Path of Ancestry
36%inclusion12 decks33 decks
31%synergy
Command Tower
24%inclusion8 decks33 decks
19%synergy
Myriad Landscape
24%inclusion8 decks33 decks
-1%synergy
Big Apple, 3 a.m.
20%inclusion2 decks10 decks
18%synergy
Terramorphic Expanse
12%inclusion4 decks33 decks
9%synergy
Daily Bugle Building
9.1%inclusion2 decks22 decks
9%synergy
Mirrex
6.1%inclusion2 decks33 decks
5%synergy
Ash Barrens
6.1%inclusion2 decks33 decks
5%synergy
Evolving Wilds
6.1%inclusion2 decks33 decks
2%synergy
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