Karumonix, the Rat King (Commander) - Budget Rat Colony

Karumonix, the Rat King
Rank #412
29decks
As CommanderAs CardAverage DeckDecks
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All
1
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3
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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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Enchantments
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Utility Lands
Mana Artifacts
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Rat Colony
100%inclusion29 decks29 decks
95%synergy
Blightbelly Rat
93%inclusion27 decks29 decks
90%synergy
Piper of the Swarm
83%inclusion24 decks29 decks
76%synergy
Typhoid Rats
79%inclusion23 decks29 decks
76%synergy
Rancid Rats
76%inclusion22 decks29 decks
74%synergy
Ogre Slumlord
83%inclusion24 decks29 decks
73%synergy
Crypt Rats
72%inclusion21 decks29 decks
68%synergy
Pack Rat
72%inclusion21 decks29 decks
67%synergy
Voracious Vermin
69%inclusion20 decks29 decks
66%synergy
Lord Skitter's Butcher
69%inclusion20 decks29 decks
66%synergy
Top Cards
Lord Skitter, Sewer King
69%inclusion20 decks29 decks
61%synergy
Burglar Rat
69%inclusion20 decks29 decks
59%synergy
Vraska's Fall
66%inclusion19 decks29 decks
62%synergy
Ichor Rats
66%inclusion19 decks29 decks
63%synergy
Tangled Colony
62%inclusion18 decks29 decks
59%synergy
Septic Rats
62%inclusion18 decks29 decks
60%synergy
Revenge of the Rats
60%inclusion12 decks20 decks
57%synergy
Persistent Marshstalker
59%inclusion17 decks29 decks
56%synergy
Infectious Inquiry
59%inclusion17 decks29 decks
56%synergy
Ravenous Rats
55%inclusion16 decks29 decks
54%synergy
Game Changers
Bolas's Citadel
6.9%inclusion2 decks29 decks
-21%synergy
Creatures
Swarm of Rats
55%inclusion16 decks29 decks
53%synergy
Wave of Rats
55%inclusion16 decks29 decks
54%synergy
Nezumi Informant
52%inclusion15 decks29 decks
46%synergy
Innocuous Rat
48%inclusion14 decks29 decks
47%synergy
Marrow-Gnawer
48%inclusion14 decks29 decks
45%synergy
Gnat Miser
48%inclusion14 decks29 decks
46%synergy
Razortooth Rats
45%inclusion13 decks29 decks
44%synergy
Pestilence Rats
45%inclusion13 decks29 decks
43%synergy
Nashi, Moon Sage's Scion
45%inclusion13 decks29 decks
41%synergy
Gnawing Vermin
41%inclusion12 decks29 decks
40%synergy
Daggerfang Duo
41%inclusion12 decks29 decks
41%synergy
Chittering Witch
41%inclusion12 decks29 decks
37%synergy
Nezumi Prowler
41%inclusion12 decks29 decks
40%synergy
Ruin Rat
41%inclusion12 decks29 decks
40%synergy
Chittering Skitterling
38%inclusion11 decks29 decks
37%synergy
Twisted Sewer-Witch
38%inclusion11 decks29 decks
37%synergy
Nezumi Cutthroat
38%inclusion11 decks29 decks
37%synergy
Stronghold Rats
38%inclusion11 decks29 decks
34%synergy
Old Flitterfang
38%inclusion11 decks29 decks
37%synergy
Mukotai Ambusher
34%inclusion10 decks29 decks
34%synergy
Undercity Dire Rat
33%inclusion1 decks3 decks
32%synergy
Elephant-Rat
33%inclusion1 decks3 decks
33%synergy
Ratcatcher
31%inclusion9 decks29 decks
28%synergy
Okiba-Gang Shinobi
31%inclusion9 decks29 decks
30%synergy
Bog Rats
28%inclusion8 decks29 decks
27%synergy
Ruthless Radrat
28%inclusion8 decks29 decks
27%synergy
Ink-Eyes, Servant of Oni
28%inclusion8 decks29 decks
25%synergy
Changeling Outcast
28%inclusion8 decks29 decks
23%synergy
Drainpipe Vermin
28%inclusion8 decks29 decks
26%synergy
Refurbished Familiar
24%inclusion7 decks29 decks
22%synergy
Chittering Rats
24%inclusion7 decks29 decks
24%synergy
Skullsnatcher
24%inclusion7 decks29 decks
24%synergy
Sinuous Vermin
24%inclusion7 decks29 decks
24%synergy
Valley Rotcaller
24%inclusion7 decks29 decks
21%synergy
Relentless Rats
21%inclusion6 decks29 decks
19%synergy
Rotting Rats
21%inclusion6 decks29 decks
18%synergy
Thornplate Intimidator
21%inclusion6 decks29 decks
20%synergy
Nezumi Bladeblesser
21%inclusion6 decks29 decks
20%synergy
Throat Slitter
21%inclusion6 decks29 decks
19%synergy
Locust Miser
21%inclusion6 decks29 decks
19%synergy
Adaptive Automaton
17%inclusion5 decks29 decks
16%synergy
Nezumi Linkbreaker
17%inclusion5 decks29 decks
16%synergy
Rabid Rats
14%inclusion4 decks29 decks
14%synergy
Nezumi Ronin
14%inclusion4 decks29 decks
14%synergy
Gray Merchant of Asphodel
14%inclusion4 decks29 decks
-36%synergy
Infected Vermin
14%inclusion4 decks29 decks
14%synergy
Scrib Nibblers
14%inclusion4 decks29 decks
13%synergy
Patron of the Nezumi
10%inclusion3 decks29 decks
10%synergy
Wick's Patrol
10%inclusion3 decks29 decks
10%synergy
Bloodline Pretender
10%inclusion3 decks29 decks
10%synergy
Instants
Whisper of the Dross
48%inclusion14 decks29 decks
46%synergy
Murder
41%inclusion12 decks29 decks
32%synergy
Dark Ritual
38%inclusion11 decks29 decks
-29%synergy
Rat Out
34%inclusion10 decks29 decks
33%synergy
Grim Affliction
34%inclusion10 decks29 decks
33%synergy
Defile
34%inclusion10 decks29 decks
-1%synergy
Overkill
33%inclusion1 decks3 decks
27%synergy
Zuko's Conviction
33%inclusion1 decks3 decks
33%synergy
Village Rites
31%inclusion9 decks29 decks
5%synergy
Corrupted Conviction
31%inclusion9 decks29 decks
19%synergy
Anoint with Affliction
24%inclusion7 decks29 decks
24%synergy
Raise the Draugr
24%inclusion7 decks29 decks
23%synergy
Foul-Tongue Shriek
24%inclusion7 decks29 decks
22%synergy
Go for the Throat
21%inclusion6 decks29 decks
-2%synergy
Consuming Corruption
21%inclusion6 decks29 decks
6%synergy
Deadly Dispute
14%inclusion4 decks29 decks
-13%synergy
Battle-Rage Blessing
14%inclusion4 decks29 decks
13%synergy
Doom Blade
14%inclusion4 decks29 decks
7%synergy
Death Denied
14%inclusion4 decks29 decks
13%synergy
Tainted Strike
14%inclusion4 decks29 decks
11%synergy
Gravepurge
14%inclusion4 decks29 decks
12%synergy
Tragic Slip
14%inclusion4 decks29 decks
-5%synergy
Withering Torment
14%inclusion4 decks29 decks
-18%synergy
Hero's Downfall
10%inclusion3 decks29 decks
4%synergy
Sheoldred's Edict
10%inclusion3 decks29 decks
-5%synergy
Not Dead After All
10%inclusion3 decks29 decks
-1%synergy
Disfigure
10%inclusion3 decks29 decks
10%synergy
Infernal Grasp
10%inclusion3 decks29 decks
-15%synergy
Terror
10%inclusion3 decks29 decks
9%synergy
Bladebrand
10%inclusion3 decks29 decks
9%synergy
Offer Immortality
10%inclusion3 decks29 decks
8%synergy
Fell the Profane
6.9%inclusion2 decks29 decks
-13%synergy
Bake into a Pie
6.9%inclusion2 decks29 decks
6%synergy
Hazel's Nocturne
6.9%inclusion2 decks29 decks
6%synergy
Give In to Violence
6.9%inclusion2 decks29 decks
6%synergy
Bitter Triumph
6.9%inclusion2 decks29 decks
-3%synergy
Eviscerator's Insight
6.9%inclusion2 decks29 decks
5%synergy
Undying Malice
6.9%inclusion2 decks29 decks
-3%synergy
You Are Already Dead
6.9%inclusion2 decks29 decks
6%synergy
Fake Your Own Death
6.9%inclusion2 decks29 decks
-1%synergy
Black Sun's Twilight
6.9%inclusion2 decks29 decks
4%synergy
Breathe Your Last
6.9%inclusion2 decks29 decks
5%synergy
Tribute to Hunger
6.9%inclusion2 decks29 decks
6%synergy
Nocturnal Hunger
6.9%inclusion2 decks29 decks
7%synergy
Feign Death
6.9%inclusion2 decks29 decks
-1%synergy
Stab
5.3%inclusion1 decks19 decks
4%synergy
Sorceries
Drown in Ichor
55%inclusion16 decks29 decks
52%synergy
Crippling Fear
45%inclusion13 decks29 decks
42%synergy
Phyresis Outbreak
31%inclusion9 decks29 decks
29%synergy
Feed the Swarm
28%inclusion8 decks29 decks
-23%synergy
Vat Emergence
24%inclusion7 decks29 decks
23%synergy
Feed the Infection
21%inclusion6 decks29 decks
20%synergy
Gruesome Fate
21%inclusion6 decks29 decks
19%synergy
Spread the Sickness
17%inclusion5 decks29 decks
17%synergy
Patriarch's Bidding
17%inclusion5 decks29 decks
13%synergy
Swarmyard Massacre
17%inclusion5 decks29 decks
15%synergy
Echoing Return
17%inclusion5 decks29 decks
14%synergy
Read the Bones
17%inclusion5 decks29 decks
2%synergy
Profane Command
17%inclusion5 decks29 decks
16%synergy
Sign in Blood
17%inclusion5 decks29 decks
-18%synergy
Victimize
14%inclusion4 decks29 decks
-14%synergy
Return from Extinction
14%inclusion4 decks29 decks
13%synergy
Psychic Whorl
14%inclusion4 decks29 decks
13%synergy
Unearth
14%inclusion4 decks29 decks
5%synergy
Mutilate
14%inclusion4 decks29 decks
-1%synergy
Exsanguinate
14%inclusion4 decks29 decks
-11%synergy
Night's Whisper
10%inclusion3 decks29 decks
-15%synergy
In Garruk's Wake
10%inclusion3 decks29 decks
7%synergy
Geth's Summons
10%inclusion3 decks29 decks
10%synergy
Lab Rats
10%inclusion3 decks29 decks
10%synergy
Eaten Alive
10%inclusion3 decks29 decks
7%synergy
Pact of the Serpent
10%inclusion3 decks29 decks
9%synergy
Plague Wind
6.9%inclusion2 decks29 decks
6%synergy
Profane Tutor
6.9%inclusion2 decks29 decks
3%synergy
Forever Young
6.9%inclusion2 decks29 decks
6%synergy
Ambition's Cost
6.9%inclusion2 decks29 decks
4%synergy
Hex
6.9%inclusion2 decks29 decks
6%synergy
Walk the Plank
6.9%inclusion2 decks29 decks
7%synergy
Divest
6.9%inclusion2 decks29 decks
6%synergy
Syphon Mind
6.9%inclusion2 decks29 decks
-5%synergy
Insatiable Avarice
6.9%inclusion2 decks29 decks
-4%synergy
Mind Rot
6.9%inclusion2 decks29 decks
6%synergy
Zombify
6.9%inclusion2 decks29 decks
5%synergy
Eviscerate
6.9%inclusion2 decks29 decks
7%synergy
Raise Dead
6.9%inclusion2 decks29 decks
6%synergy
Kindred Dominance
6.9%inclusion2 decks29 decks
2%synergy
Final Vengeance
6.9%inclusion2 decks29 decks
5%synergy
Impale
6.9%inclusion2 decks29 decks
7%synergy
Rise of the Dark Realms
6.9%inclusion2 decks29 decks
-7%synergy
Recover
6.9%inclusion2 decks29 decks
6%synergy
Seeker's Folly
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Bontu's Monument
34%inclusion10 decks29 decks
6%synergy
Herald's Horn
31%inclusion9 decks29 decks
25%synergy
Contagion Clasp
28%inclusion8 decks29 decks
26%synergy
Vanquisher's Banner
28%inclusion8 decks29 decks
24%synergy
Skullclamp
21%inclusion6 decks29 decks
-2%synergy
Jet Medallion
21%inclusion6 decks29 decks
-41%synergy
Swiftfoot Boots
17%inclusion5 decks29 decks
-14%synergy
Banner of Kinship
14%inclusion3 decks21 decks
12%synergy
Icon of Ancestry
10%inclusion3 decks29 decks
9%synergy
Wayfarer's Bauble
10%inclusion3 decks29 decks
-4%synergy
Sword of the Squeak
10%inclusion3 decks29 decks
10%synergy
Door of Destinies
10%inclusion3 decks29 decks
8%synergy
Quietus Spike
6.9%inclusion2 decks29 decks
6%synergy
Voyager Staff
6.9%inclusion2 decks29 decks
7%synergy
Hall of Triumph
6.9%inclusion2 decks29 decks
7%synergy
Enormous Energy Blade
6.9%inclusion2 decks29 decks
7%synergy
Prosthetic Injector
6.9%inclusion2 decks29 decks
7%synergy
Whispersilk Cloak
6.9%inclusion2 decks29 decks
1%synergy
Lightning Greaves
6.9%inclusion2 decks29 decks
-27%synergy
Obelisk of Urd
6.9%inclusion2 decks29 decks
6%synergy
Quick-Draw Katana
5.3%inclusion1 decks19 decks
5%synergy
Enchantments
Necrogen Communion
38%inclusion11 decks29 decks
36%synergy
Phyrexian Arena
24%inclusion7 decks29 decks
-15%synergy
Bad Moon
21%inclusion6 decks29 decks
18%synergy
Phyresis
17%inclusion5 decks29 decks
15%synergy
Oversold Cemetery
17%inclusion5 decks29 decks
12%synergy
Vampiric Rites
14%inclusion4 decks29 decks
8%synergy
Cover of Darkness
14%inclusion4 decks29 decks
11%synergy
Okiba Reckoner Raid
10%inclusion3 decks29 decks
10%synergy
Haunted One
10%inclusion3 decks29 decks
8%synergy
Tribute to Horobi
10%inclusion3 decks29 decks
9%synergy
Fungal Fortitude
10%inclusion3 decks29 decks
9%synergy
Omen of the Dead
6.9%inclusion2 decks29 decks
6%synergy
Greed
6.9%inclusion2 decks29 decks
1%synergy
Black Market
6.9%inclusion2 decks29 decks
-13%synergy
Grave Pact
6.9%inclusion2 decks29 decks
-13%synergy
Enslave
6.9%inclusion2 decks29 decks
7%synergy
Intimidation
6.9%inclusion2 decks29 decks
6%synergy
Stab Wound
6.9%inclusion2 decks29 decks
6%synergy
Death Pits of Rath
6.9%inclusion2 decks29 decks
7%synergy
Dead Weight
6.9%inclusion2 decks29 decks
7%synergy
Lord Skitter's Blessing
6.9%inclusion2 decks29 decks
6%synergy
Pestilence
6.9%inclusion2 decks29 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
10%inclusion3 decks29 decks
8%synergy
Utility Lands
Mudflat Village
45%inclusion13 decks29 decks
42%synergy
Witch's Cottage
31%inclusion9 decks29 decks
6%synergy
Rogue's Passage
28%inclusion8 decks29 decks
8%synergy
Bojuka Bog
24%inclusion7 decks29 decks
-23%synergy
Swarmyard
24%inclusion7 decks29 decks
19%synergy
Karn's Bastion
21%inclusion6 decks29 decks
17%synergy
Mortuary Mire
17%inclusion5 decks29 decks
4%synergy
Reliquary Tower
17%inclusion5 decks29 decks
-12%synergy
Access Tunnel
14%inclusion4 decks29 decks
11%synergy
Memorial to Folly
10%inclusion3 decks29 decks
7%synergy
Cabal Stronghold
6.9%inclusion2 decks29 decks
-27%synergy
Phyrexian Tower
6.9%inclusion2 decks29 decks
-20%synergy
Barren Moor
6.9%inclusion2 decks29 decks
-2%synergy
Crypt of Agadeem
6.9%inclusion2 decks29 decks
-5%synergy
Temple of the False God
6.9%inclusion2 decks29 decks
-1%synergy
Hidden Necropolis
6.9%inclusion2 decks29 decks
6%synergy
Mana Artifacts
Sol Ring
66%inclusion19 decks29 decks
-20%synergy
White Lotus Tile
33%inclusion1 decks3 decks
33%synergy
Arcane Signet
31%inclusion9 decks29 decks
-30%synergy
Patchwork Banner
31%inclusion9 decks29 decks
27%synergy
Heraldic Banner
24%inclusion7 decks29 decks
19%synergy
Mind Stone
24%inclusion7 decks29 decks
-3%synergy
Glistening Sphere
17%inclusion5 decks29 decks
16%synergy
Phyrexian Atlas
17%inclusion5 decks29 decks
17%synergy
Commander's Sphere
14%inclusion4 decks29 decks
6%synergy
Charcoal Diamond
14%inclusion4 decks29 decks
-8%synergy
Gilded Lotus
10%inclusion3 decks29 decks
5%synergy
Everflowing Chalice
6.9%inclusion2 decks29 decks
2%synergy
Lands
Swamp
100%inclusion29 decks29 decks
5%synergy
Path of Ancestry
34%inclusion10 decks29 decks
30%synergy
Command Tower
17%inclusion5 decks29 decks
11%synergy
Myriad Landscape
10%inclusion3 decks29 decks
-14%synergy
Escape Tunnel
6.9%inclusion2 decks29 decks
6%synergy
Fell the Profane
6.9%inclusion2 decks29 decks
-13%synergy
Evolving Wilds
6.9%inclusion2 decks29 decks
3%synergy
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