Karumonix, the Rat King (Commander) - Budget Core

Karumonix, the Rat King
Rank #412
80decks
As CommanderAs CardAverage DeckDecks
Bracket
All1234
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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Bilbo's Deadly Slice
11%inclusion1 decks9 decks
10%synergy
Stir Up Trouble
11%inclusion1 decks9 decks
10%synergy
Supper for Spiders
7.1%inclusion1 decks14 decks
6%synergy
High Synergy Cards
Typhoid Rats
96%inclusion77 decks80 decks
93%synergy
Blightbelly Rat
94%inclusion75 decks80 decks
90%synergy
Rancid Rats
84%inclusion67 decks80 decks
81%synergy
Lord Skitter's Butcher
84%inclusion67 decks80 decks
81%synergy
Ravenous Rats
79%inclusion63 decks80 decks
77%synergy
Burglar Rat
88%inclusion70 decks80 decks
77%synergy
Chittering Skitterling
78%inclusion62 decks80 decks
77%synergy
Drainpipe Vermin
78%inclusion62 decks80 decks
76%synergy
Ruin Rat
75%inclusion60 decks80 decks
74%synergy
Voracious Vermin
76%inclusion61 decks80 decks
74%synergy
Top Cards
Ogre Slumlord
81%inclusion65 decks80 decks
72%synergy
Nezumi Cutthroat
73%inclusion58 decks80 decks
72%synergy
Infectious Inquiry
73%inclusion58 decks80 decks
70%synergy
Nezumi Prowler
69%inclusion55 decks80 decks
67%synergy
Piper of the Swarm
66%inclusion53 decks80 decks
60%synergy
Nezumi Informant
66%inclusion53 decks80 decks
60%synergy
Vraska's Fall
64%inclusion51 decks80 decks
61%synergy
Tangled Colony
63%inclusion50 decks80 decks
60%synergy
Necrogen Communion
61%inclusion49 decks80 decks
60%synergy
Razortooth Rats
61%inclusion49 decks80 decks
61%synergy
Creatures
Gnawing Vermin
60%inclusion48 decks80 decks
59%synergy
Persistent Marshstalker
59%inclusion47 decks80 decks
56%synergy
Septic Rats
59%inclusion47 decks80 decks
57%synergy
Crypt Rats
57%inclusion46 decks80 decks
53%synergy
Stronghold Rats
55%inclusion44 decks80 decks
52%synergy
Mukotai Ambusher
54%inclusion43 decks80 decks
53%synergy
Chittering Witch
53%inclusion42 decks80 decks
48%synergy
Ichor Rats
51%inclusion41 decks80 decks
48%synergy
Innocuous Rat
49%inclusion39 decks80 decks
48%synergy
Twisted Sewer-Witch
49%inclusion39 decks80 decks
47%synergy
Engine Rat
48%inclusion27 decks56 decks
46%synergy
Nezumi Bladeblesser
48%inclusion38 decks80 decks
47%synergy
Pestilence Rats
46%inclusion37 decks80 decks
44%synergy
Rat King, Pale Piper
46%inclusion11 decks24 decks
42%synergy
Undercity Dire Rat
44%inclusion20 decks45 decks
43%synergy
Sinuous Vermin
44%inclusion35 decks80 decks
43%synergy
Ruthless Radrat
40%inclusion32 decks80 decks
39%synergy
Changeling Outcast
38%inclusion30 decks80 decks
33%synergy
Gnat Miser
38%inclusion30 decks80 decks
35%synergy
Lord Skitter, Sewer King
35%inclusion28 decks80 decks
27%synergy
Kuro's Taken
34%inclusion27 decks80 decks
34%synergy
Pack Rat
33%inclusion26 decks80 decks
27%synergy
Daggerfang Duo
31%inclusion25 decks80 decks
31%synergy
Sewer Rats
31%inclusion25 decks80 decks
31%synergy
Bog Rats
30%inclusion24 decks80 decks
30%synergy
Nezumi Graverobber
30%inclusion24 decks80 decks
29%synergy
Chittering Rats
29%inclusion23 decks80 decks
28%synergy
Old Flitterfang
28%inclusion22 decks80 decks
26%synergy
Elephant-Rat
27%inclusion10 decks37 decks
27%synergy
Thriving Rats
26%inclusion21 decks80 decks
26%synergy
Thornplate Intimidator
26%inclusion21 decks80 decks
26%synergy
Nezumi Linkbreaker
26%inclusion21 decks80 decks
25%synergy
Wave of Rats
26%inclusion21 decks80 decks
25%synergy
Refurbished Familiar
25%inclusion20 decks80 decks
23%synergy
Gutter Skulk
25%inclusion20 decks80 decks
25%synergy
Skullsnatcher
24%inclusion19 decks80 decks
23%synergy
Nezumi Bone-Reader
24%inclusion19 decks80 decks
23%synergy
Graveshifter
21%inclusion17 decks80 decks
20%synergy
Rotting Rats
20%inclusion16 decks80 decks
17%synergy
Ossuary Rats
20%inclusion16 decks80 decks
20%synergy
Muck Rats
20%inclusion16 decks80 decks
20%synergy
Scrib Nibblers
19%inclusion15 decks80 decks
18%synergy
Rabid Rats
18%inclusion14 decks80 decks
17%synergy
Graf Rats
16%inclusion13 decks80 decks
16%synergy
Rat King, Verminister
15%inclusion4 decks27 decks
12%synergy
Carrion Rats
14%inclusion11 decks80 decks
14%synergy
Patron of the Nezumi
13%inclusion10 decks80 decks
12%synergy
Midnight Scavengers
13%inclusion10 decks80 decks
12%synergy
Venomous Changeling
13%inclusion10 decks80 decks
12%synergy
Tunnel Rats
13%inclusion3 decks24 decks
12%synergy
Instants
Village Rites
54%inclusion43 decks80 decks
28%synergy
Rat Out
54%inclusion43 decks80 decks
52%synergy
Whisper of the Dross
53%inclusion42 decks80 decks
50%synergy
Grim Affliction
44%inclusion35 decks80 decks
42%synergy
Murder
39%inclusion31 decks80 decks
29%synergy
Anoint with Affliction
33%inclusion26 decks80 decks
32%synergy
Raise the Draugr
33%inclusion26 decks80 decks
32%synergy
Corrupted Conviction
31%inclusion25 decks80 decks
19%synergy
Hero's Downfall
28%inclusion22 decks80 decks
21%synergy
Gravepurge
28%inclusion22 decks80 decks
26%synergy
Altar's Reap
26%inclusion21 decks80 decks
24%synergy
Tragic Slip
23%inclusion18 decks80 decks
4%synergy
Consuming Corruption
21%inclusion17 decks80 decks
6%synergy
Defile
20%inclusion16 decks80 decks
-15%synergy
Doom Blade
20%inclusion16 decks80 decks
13%synergy
Dark Ritual
19%inclusion15 decks80 decks
-49%synergy
Foul-Tongue Shriek
19%inclusion15 decks80 decks
17%synergy
Death Denied
16%inclusion13 decks80 decks
16%synergy
Virulent Wound
15%inclusion12 decks80 decks
15%synergy
Supernatural Stamina
14%inclusion11 decks80 decks
6%synergy
Drag to the Underworld
14%inclusion11 decks80 decks
12%synergy
Nameless Inversion
14%inclusion11 decks80 decks
14%synergy
Deadly Dispute
13%inclusion10 decks80 decks
-15%synergy
Undying Malice
13%inclusion10 decks80 decks
2%synergy
Infernal Grasp
11%inclusion9 decks80 decks
-14%synergy
Go for the Throat
10%inclusion8 decks80 decks
-12%synergy
Tendrils of Corruption
10%inclusion8 decks80 decks
7%synergy
Fake Your Own Death
10%inclusion8 decks80 decks
2%synergy
Breathe Your Last
10%inclusion8 decks80 decks
8%synergy
Not Dead After All
7.5%inclusion6 decks80 decks
-4%synergy
Give In to Violence
6.3%inclusion5 decks80 decks
6%synergy
Poison the Cup
6.3%inclusion5 decks80 decks
6%synergy
Costly Plunder
6.3%inclusion5 decks80 decks
4%synergy
Feign Death
6.3%inclusion5 decks80 decks
-2%synergy
Dark Deed
6.3%inclusion1 decks16 decks
5%synergy
Bladebrand
5.0%inclusion4 decks80 decks
4%synergy
Offer Immortality
5.0%inclusion4 decks80 decks
3%synergy
Sorceries
Crippling Fear
59%inclusion47 decks80 decks
56%synergy
Drown in Ichor
57%inclusion46 decks80 decks
54%synergy
Spread the Sickness
45%inclusion36 decks80 decks
44%synergy
Feed the Infection
41%inclusion33 decks80 decks
41%synergy
Vat Emergence
40%inclusion32 decks80 decks
39%synergy
Feed the Swarm
39%inclusion31 decks80 decks
-12%synergy
Sign in Blood
35%inclusion28 decks80 decks
0%synergy
Revenge of the Rats
34%inclusion26 decks77 decks
31%synergy
Read the Bones
31%inclusion25 decks80 decks
16%synergy
Return from Extinction
24%inclusion19 decks80 decks
23%synergy
Victimize
23%inclusion18 decks80 decks
-5%synergy
Caress of Phyrexia
23%inclusion18 decks80 decks
22%synergy
Unearth
20%inclusion16 decks80 decks
11%synergy
Geth's Summons
20%inclusion16 decks80 decks
20%synergy
Lab Rats
20%inclusion16 decks80 decks
20%synergy
Profane Command
19%inclusion15 decks80 decks
17%synergy
Ambition's Cost
19%inclusion15 decks80 decks
16%synergy
Predators' Hour
18%inclusion14 decks80 decks
16%synergy
Gruesome Fate
16%inclusion13 decks80 decks
14%synergy
Dirge of Dread
15%inclusion12 decks80 decks
15%synergy
Syphon Mind
14%inclusion11 decks80 decks
2%synergy
Forever Young
13%inclusion10 decks80 decks
11%synergy
Duress
11%inclusion9 decks80 decks
5%synergy
Ancient Craving
11%inclusion9 decks80 decks
9%synergy
Hex
10%inclusion8 decks80 decks
9%synergy
Eaten Alive
10%inclusion8 decks80 decks
6%synergy
Decree of Pain
8.8%inclusion7 decks80 decks
4%synergy
Diabolic Tutor
7.5%inclusion6 decks80 decks
-6%synergy
Final Act
7.5%inclusion6 decks80 decks
6%synergy
Psychic Whorl
7.5%inclusion6 decks80 decks
7%synergy
Night's Whisper
7.5%inclusion6 decks80 decks
-18%synergy
Call of the Death-Dweller
7.5%inclusion6 decks80 decks
7%synergy
Shrivel
5.0%inclusion4 decks80 decks
4%synergy
Tourach's Canticle
5.0%inclusion4 decks80 decks
5%synergy
Fell
5.0%inclusion4 decks80 decks
2%synergy
Annihilating Glare
5.0%inclusion4 decks80 decks
4%synergy
Mind Rot
5.0%inclusion4 decks80 decks
4%synergy
Assassinate
5.0%inclusion4 decks80 decks
5%synergy
Utility Artifacts
Contagion Clasp
34%inclusion27 decks80 decks
32%synergy
Prosthetic Injector
29%inclusion23 decks80 decks
28%synergy
Icon of Ancestry
21%inclusion17 decks80 decks
20%synergy
Wayfarer's Bauble
20%inclusion16 decks80 decks
6%synergy
Thieves' Tools
14%inclusion11 decks80 decks
12%synergy
Heirloom Blade
13%inclusion10 decks80 decks
12%synergy
Vat of Rebirth
11%inclusion9 decks80 decks
8%synergy
Swiftfoot Boots
10%inclusion8 decks80 decks
-21%synergy
Witch's Cauldron
10%inclusion8 decks80 decks
9%synergy
Stolen Stark Tech
6.7%inclusion1 decks15 decks
5%synergy
Skeleton Key
6.3%inclusion5 decks80 decks
6%synergy
Hall of Triumph
6.3%inclusion5 decks80 decks
6%synergy
Armillary Sphere
5.0%inclusion4 decks80 decks
5%synergy
Sword of the Squeak
5.0%inclusion4 decks80 decks
4%synergy
Bontu's Monument
5.0%inclusion4 decks80 decks
-23%synergy
Horn of the Mark
5.0%inclusion4 decks80 decks
5%synergy
Enchantments
Tribute to Horobi
29%inclusion23 decks80 decks
28%synergy
Phyresis
21%inclusion17 decks80 decks
19%synergy
Intimidation
16%inclusion13 decks80 decks
16%synergy
Underworld Connections
15%inclusion12 decks80 decks
13%synergy
Vampiric Rites
14%inclusion11 decks80 decks
8%synergy
Bad Moon
14%inclusion11 decks80 decks
11%synergy
Fungal Fortitude
13%inclusion10 decks80 decks
11%synergy
Snake Cult Initiation
11%inclusion9 decks80 decks
11%synergy
Oversold Cemetery
11%inclusion9 decks80 decks
6%synergy
Greed
10%inclusion8 decks80 decks
4%synergy
Okiba Reckoner Raid
10%inclusion8 decks80 decks
10%synergy
Lord Skitter's Blessing
7.5%inclusion6 decks80 decks
7%synergy
Bastion of Remembrance
6.3%inclusion5 decks80 decks
-11%synergy
Grisly Transformation
5.0%inclusion4 decks80 decks
5%synergy
Untamed Hunger
5.0%inclusion4 decks80 decks
5%synergy
Relic Putrescence
5.0%inclusion4 decks80 decks
5%synergy
Gruesome Deformity
5.0%inclusion4 decks80 decks
5%synergy
Unholy Indenture
5.0%inclusion4 decks80 decks
5%synergy
Phyrexian Arena
5.0%inclusion4 decks80 decks
-34%synergy
Planeswalkers
Vraska, Betrayal's Sting
7.5%inclusion6 decks80 decks
5%synergy
Utility Lands
Rogue's Passage
45%inclusion36 decks80 decks
25%synergy
Mudflat Village
31%inclusion25 decks80 decks
29%synergy
Mortuary Mire
29%inclusion23 decks80 decks
16%synergy
Access Tunnel
26%inclusion21 decks80 decks
23%synergy
Witch's Cottage
21%inclusion17 decks80 decks
-3%synergy
Barren Moor
19%inclusion15 decks80 decks
10%synergy
Memorial to Folly
10%inclusion8 decks80 decks
7%synergy
Bojuka Bog
7.5%inclusion6 decks80 decks
-40%synergy
Karn's Bastion
7.5%inclusion6 decks80 decks
4%synergy
Temple of the False God
6.3%inclusion5 decks80 decks
-1%synergy
Hidden Necropolis
6.3%inclusion5 decks80 decks
5%synergy
Secret Tunnel
6.3%inclusion2 decks32 decks
5%synergy
Avishkar Raceway
5.3%inclusion3 decks57 decks
5%synergy
Swarmyard
5.0%inclusion4 decks80 decks
-1%synergy
The Dross Pits
5.0%inclusion4 decks80 decks
4%synergy
Mana Artifacts
Charcoal Diamond
61%inclusion49 decks80 decks
40%synergy
Sol Ring
59%inclusion47 decks80 decks
-27%synergy
Arcane Signet
49%inclusion39 decks80 decks
-13%synergy
Mind Stone
41%inclusion33 decks80 decks
14%synergy
Phyrexian Atlas
28%inclusion22 decks80 decks
27%synergy
Commander's Sphere
24%inclusion19 decks80 decks
16%synergy
Heraldic Banner
21%inclusion17 decks80 decks
16%synergy
Bender's Waterskin
5.4%inclusion2 decks37 decks
4%synergy
Dreamstone Hedron
5.0%inclusion4 decks80 decks
5%synergy
Thought Vessel
5.0%inclusion4 decks80 decks
-19%synergy
Prismatic Lens
5.0%inclusion4 decks80 decks
3%synergy
Lands
Swamp
100%inclusion80 decks80 decks
5%synergy
Path of Ancestry
45%inclusion36 decks80 decks
40%synergy
Myriad Landscape
24%inclusion19 decks80 decks
-0%synergy
Escape Tunnel
10%inclusion8 decks80 decks
9%synergy
Big Apple, 3 a.m.
8.3%inclusion2 decks24 decks
7%synergy
Command Tower
6.3%inclusion5 decks80 decks
0%synergy
Demolition Field
5.0%inclusion4 decks80 decks
-0%synergy
Evolving Wilds
5.0%inclusion4 decks80 decks
1%synergy
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