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

Karumonix, the Rat King
Rank #385
72decks
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Rat Colony
100%inclusion72 decks72 decks
94%synergy
Marrow-Gnawer
92%inclusion66 decks72 decks
88%synergy
Piper of the Swarm
83%inclusion60 decks72 decks
76%synergy
Swarmyard
82%inclusion59 decks72 decks
76%synergy
Ashcoat of the Shadow Swarm
76%inclusion55 decks72 decks
73%synergy
Pack Rat
76%inclusion55 decks72 decks
70%synergy
Karn's Bastion
60%inclusion43 decks72 decks
56%synergy
Thrumming Stone
56%inclusion40 decks72 decks
52%synergy
Infectious Inquiry
54%inclusion39 decks72 decks
51%synergy
Lord Skitter, Sewer King
58%inclusion42 decks72 decks
50%synergy
Top Cards
Jet Medallion
79%inclusion57 decks72 decks
17%synergy
Dark Ritual
75%inclusion54 decks72 decks
8%synergy
Bontu's Monument
69%inclusion50 decks72 decks
41%synergy
Ogre Slumlord
60%inclusion43 decks72 decks
50%synergy
Skullclamp
58%inclusion42 decks72 decks
36%synergy
Herald's Horn
53%inclusion38 decks72 decks
47%synergy
Vraska's Fall
51%inclusion37 decks72 decks
48%synergy
Blightbelly Rat
51%inclusion37 decks72 decks
48%synergy
Deadly Rollick
50%inclusion36 decks72 decks
26%synergy
Ichor Rats
50%inclusion36 decks72 decks
47%synergy
Game Changers
Demonic Tutor
92%inclusion66 decks72 decks
64%synergy
Vampiric Tutor
86%inclusion62 decks72 decks
65%synergy
Bolas's Citadel
32%inclusion23 decks72 decks
3%synergy
Imperial Seal
28%inclusion20 decks72 decks
21%synergy
Ancient Tomb
28%inclusion20 decks72 decks
16%synergy
The One Ring
24%inclusion17 decks72 decks
14%synergy
Chrome Mox
19%inclusion14 decks72 decks
13%synergy
Mox Diamond
17%inclusion12 decks72 decks
13%synergy
Necropotence
15%inclusion11 decks72 decks
1%synergy
Opposition Agent
11%inclusion8 decks72 decks
2%synergy
Creatures
Crypt Rats
49%inclusion35 decks72 decks
44%synergy
Species Specialist
36%inclusion26 decks72 decks
33%synergy
Ayara, First of Locthwain
33%inclusion24 decks72 decks
8%synergy
Crypt Ghast
28%inclusion20 decks72 decks
-20%synergy
Ratcatcher
28%inclusion20 decks72 decks
24%synergy
Nashi, Moon Sage's Scion
28%inclusion20 decks72 decks
24%synergy
Yawgmoth, Thran Physician
26%inclusion19 decks72 decks
16%synergy
Ink-Eyes, Servant of Oni
25%inclusion18 decks72 decks
22%synergy
Septic Rats
25%inclusion18 decks72 decks
23%synergy
Gnat Miser
25%inclusion18 decks72 decks
22%synergy
Typhoid Rats
25%inclusion18 decks72 decks
21%synergy
Rancid Rats
25%inclusion18 decks72 decks
22%synergy
Burglar Rat
24%inclusion17 decks72 decks
13%synergy
Changeling Outcast
24%inclusion17 decks72 decks
18%synergy
Swarm of Rats
22%inclusion16 decks72 decks
20%synergy
Persistent Marshstalker
21%inclusion10 decks47 decks
18%synergy
Gray Merchant of Asphodel
21%inclusion15 decks72 decks
-30%synergy
Tangled Colony
19%inclusion14 decks72 decks
16%synergy
Filth
19%inclusion14 decks72 decks
17%synergy
Lord Skitter's Butcher
19%inclusion14 decks72 decks
16%synergy
Locust Miser
18%inclusion13 decks72 decks
16%synergy
Valley Rotcaller
17%inclusion8 decks47 decks
14%synergy
Roaming Throne
17%inclusion12 decks72 decks
14%synergy
Stronghold Rats
17%inclusion12 decks72 decks
13%synergy
Throat Slitter
13%inclusion9 decks72 decks
11%synergy
Wave of Rats
13%inclusion9 decks72 decks
11%synergy
Rev, Tithe Extractor
12%inclusion3 decks25 decks
10%synergy
Chittering Skitterling
11%inclusion8 decks72 decks
10%synergy
Nezumi Informant
11%inclusion8 decks72 decks
4%synergy
Ruthless Radrat
10%inclusion7 decks72 decks
9%synergy
Chittering Witch
10%inclusion7 decks72 decks
5%synergy
Voracious Vermin
10%inclusion7 decks72 decks
7%synergy
Dauthi Voidwalker
10%inclusion7 decks72 decks
-6%synergy
Old Flitterfang
10%inclusion7 decks72 decks
8%synergy
Crashing Drawbridge
6.9%inclusion5 decks72 decks
5%synergy
Sheoldred, the Apocalypse
6.9%inclusion5 decks72 decks
-8%synergy
Defiler of Flesh
6.9%inclusion5 decks72 decks
3%synergy
Braids, Arisen Nightmare
6.9%inclusion5 decks72 decks
-12%synergy
Ruin Rat
6.9%inclusion5 decks72 decks
6%synergy
Rotting Rats
5.6%inclusion4 decks72 decks
2%synergy
Zodiac Rat
5.6%inclusion4 decks72 decks
5%synergy
Zulaport Cutthroat
5.6%inclusion4 decks72 decks
-18%synergy
Pestilence Rats
5.6%inclusion4 decks72 decks
4%synergy
Skithiryx, the Blight Dragon
5.6%inclusion4 decks72 decks
4%synergy
Innocuous Rat
5.3%inclusion2 decks38 decks
4%synergy
Instants
Village Rites
28%inclusion20 decks72 decks
2%synergy
Whisper of the Dross
25%inclusion18 decks72 decks
22%synergy
Defile
24%inclusion17 decks72 decks
-13%synergy
Infernal Grasp
24%inclusion17 decks72 decks
-2%synergy
Withering Torment
18%inclusion7 decks38 decks
-13%synergy
Go for the Throat
18%inclusion13 decks72 decks
-5%synergy
Deadly Dispute
18%inclusion13 decks72 decks
-8%synergy
Malakir Rebirth
18%inclusion13 decks72 decks
-5%synergy
Imp's Mischief
15%inclusion11 decks72 decks
-9%synergy
Culling the Weak
15%inclusion11 decks72 decks
0%synergy
Tragic Slip
14%inclusion10 decks72 decks
-6%synergy
Entomb
13%inclusion9 decks72 decks
0%synergy
Cabal Ritual
13%inclusion9 decks72 decks
-6%synergy
Tainted Strike
13%inclusion9 decks72 decks
9%synergy
Corrupted Conviction
13%inclusion9 decks72 decks
0%synergy
Fell the Profane
11%inclusion7 decks61 decks
-7%synergy
Hero's Downfall
8.3%inclusion6 decks72 decks
2%synergy
Snuff Out
8.3%inclusion6 decks72 decks
-5%synergy
Anoint with Affliction
8.3%inclusion6 decks72 decks
8%synergy
Grim Affliction
8.3%inclusion6 decks72 decks
6%synergy
Baleful Mastery
8.3%inclusion6 decks72 decks
0%synergy
Sheoldred's Edict
6.9%inclusion5 decks72 decks
-8%synergy
Doom Blade
6.9%inclusion5 decks72 decks
0%synergy
Bitter Triumph
6.9%inclusion5 decks72 decks
-3%synergy
Darkness
6.9%inclusion5 decks72 decks
-3%synergy
Foul-Tongue Shriek
6.9%inclusion5 decks72 decks
5%synergy
Sudden Spoiling
6.9%inclusion5 decks72 decks
-2%synergy
Fatal Push
5.6%inclusion4 decks72 decks
2%synergy
Dismember
5.6%inclusion4 decks72 decks
-5%synergy
Sorceries
Phyresis Outbreak
43%inclusion31 decks72 decks
41%synergy
Patriarch's Bidding
42%inclusion30 decks72 decks
37%synergy
Drown in Ichor
38%inclusion27 decks72 decks
34%synergy
Diabolic Intent
36%inclusion26 decks72 decks
21%synergy
Grim Tutor
36%inclusion26 decks72 decks
24%synergy
Toxic Deluge
35%inclusion25 decks72 decks
-2%synergy
Feed the Swarm
31%inclusion22 decks72 decks
-20%synergy
Kindred Dominance
31%inclusion22 decks72 decks
26%synergy
Reanimate
29%inclusion21 decks72 decks
-11%synergy
Damnation
28%inclusion20 decks72 decks
7%synergy
Echoing Return
25%inclusion18 decks72 decks
22%synergy
Sign in Blood
21%inclusion15 decks72 decks
-15%synergy
Plague of Vermin
21%inclusion15 decks72 decks
18%synergy
Pact of the Serpent
18%inclusion13 decks72 decks
16%synergy
Swarmyard Massacre
18%inclusion8 decks45 decks
15%synergy
Revenge of the Rats
17%inclusion4 decks24 decks
14%synergy
Living Death
17%inclusion12 decks72 decks
6%synergy
Diabolic Tutor
15%inclusion11 decks72 decks
1%synergy
Read the Bones
15%inclusion11 decks72 decks
-2%synergy
Secret Salvage
14%inclusion10 decks72 decks
13%synergy
Blasphemous Edict
13%inclusion3 decks24 decks
-4%synergy
Night's Whisper
13%inclusion9 decks72 decks
-12%synergy
Crippling Fear
13%inclusion9 decks72 decks
9%synergy
Torment of Hailfire
11%inclusion8 decks72 decks
-4%synergy
Victimize
10%inclusion7 decks72 decks
-17%synergy
Mutilate
10%inclusion7 decks72 decks
-7%synergy
Gruesome Fate
10%inclusion7 decks72 decks
8%synergy
Forever Young
8.3%inclusion6 decks72 decks
7%synergy
Bubbling Muck
8.3%inclusion6 decks72 decks
-7%synergy
Unearth
8.3%inclusion6 decks72 decks
0%synergy
Spread the Sickness
6.9%inclusion5 decks72 decks
6%synergy
Haunting Voyage
6.9%inclusion5 decks72 decks
6%synergy
Caress of Phyrexia
6.9%inclusion5 decks72 decks
6%synergy
Insatiable Avarice
6.9%inclusion5 decks72 decks
-5%synergy
Vat Emergence
5.6%inclusion4 decks72 decks
4%synergy
Geth's Summons
5.6%inclusion4 decks72 decks
5%synergy
Utility Artifacts
Vanquisher's Banner
33%inclusion24 decks72 decks
29%synergy
Lightning Greaves
25%inclusion18 decks72 decks
-9%synergy
Whip of Erebos
22%inclusion16 decks72 decks
11%synergy
Coat of Arms
22%inclusion16 decks72 decks
20%synergy
Door of Destinies
18%inclusion13 decks72 decks
16%synergy
Thornbite Staff
15%inclusion11 decks72 decks
12%synergy
Contagion Engine
14%inclusion10 decks72 decks
12%synergy
Ashnod's Altar
14%inclusion10 decks72 decks
-6%synergy
Phyrexian Altar
14%inclusion10 decks72 decks
0%synergy
Akroma's Memorial
14%inclusion10 decks72 decks
13%synergy
Eldrazi Monument
14%inclusion10 decks72 decks
12%synergy
Contagion Clasp
11%inclusion8 decks72 decks
9%synergy
Dolmen Gate
11%inclusion8 decks72 decks
11%synergy
Sensei's Divining Top
10%inclusion7 decks72 decks
2%synergy
Sword of the Squeak
8.9%inclusion4 decks45 decks
8%synergy
Aetherflux Reservoir
8.3%inclusion6 decks72 decks
-1%synergy
Wishclaw Talisman
8.3%inclusion6 decks72 decks
2%synergy
Swiftfoot Boots
8.3%inclusion6 decks72 decks
-23%synergy
Banner of Kinship
8.0%inclusion2 decks25 decks
6%synergy
Mirror Box
6.9%inclusion5 decks72 decks
6%synergy
Sword of Truth and Justice
6.9%inclusion5 decks72 decks
6%synergy
Locket of Yesterdays
6.9%inclusion5 decks72 decks
7%synergy
Icon of Ancestry
5.6%inclusion4 decks72 decks
5%synergy
Expedition Map
5.6%inclusion4 decks72 decks
-6%synergy
Grafted Exoskeleton
5.6%inclusion4 decks72 decks
4%synergy
Enchantments
Cover of Darkness
46%inclusion33 decks72 decks
43%synergy
Phyrexian Arena
46%inclusion33 decks72 decks
6%synergy
Black Market Connections
39%inclusion28 decks72 decks
15%synergy
Grave Pact
29%inclusion21 decks72 decks
10%synergy
Haunted One
25%inclusion18 decks72 decks
22%synergy
The Meathook Massacre
19%inclusion14 decks72 decks
2%synergy
Black Market
19%inclusion14 decks72 decks
-2%synergy
Dictate of Erebos
15%inclusion11 decks72 decks
4%synergy
Necrogen Communion
15%inclusion11 decks72 decks
13%synergy
Oversold Cemetery
13%inclusion9 decks72 decks
7%synergy
Bad Moon
13%inclusion9 decks72 decks
9%synergy
Contamination
10%inclusion7 decks72 decks
6%synergy
Phyrexian Reclamation
10%inclusion7 decks72 decks
0%synergy
Phyresis
10%inclusion7 decks72 decks
8%synergy
Sanguine Bond
6.9%inclusion5 decks72 decks
-5%synergy
Tribute to Horobi
6.9%inclusion5 decks72 decks
6%synergy
Exquisite Blood
6.9%inclusion5 decks72 decks
-6%synergy
Planeswalkers
Vraska, Betrayal's Sting
35%inclusion25 decks72 decks
32%synergy
Liliana of the Dark Realms
17%inclusion12 decks72 decks
3%synergy
Utility Lands
Cabal Coffers
90%inclusion65 decks72 decks
35%synergy
Urborg, Tomb of Yawgmoth
74%inclusion53 decks72 decks
36%synergy
Nykthos, Shrine to Nyx
72%inclusion52 decks72 decks
42%synergy
Bojuka Bog
56%inclusion40 decks72 decks
9%synergy
Three Tree City
49%inclusion23 decks47 decks
44%synergy
Cabal Stronghold
49%inclusion35 decks72 decks
14%synergy
Phyrexian Tower
49%inclusion35 decks72 decks
23%synergy
Reliquary Tower
47%inclusion34 decks72 decks
17%synergy
Rogue's Passage
36%inclusion26 decks72 decks
17%synergy
Shizo, Death's Storehouse
31%inclusion22 decks72 decks
20%synergy
War Room
28%inclusion20 decks72 decks
12%synergy
Castle Locthwain
22%inclusion16 decks72 decks
5%synergy
Witch's Cottage
21%inclusion15 decks72 decks
-4%synergy
Crypt of Agadeem
18%inclusion13 decks72 decks
7%synergy
Mudflat Village
18%inclusion9 decks50 decks
15%synergy
Takenuma, Abandoned Mire
17%inclusion12 decks72 decks
1%synergy
Inkmoth Nexus
15%inclusion11 decks72 decks
14%synergy
Mortuary Mire
14%inclusion10 decks72 decks
1%synergy
Urza's Saga
13%inclusion9 decks72 decks
5%synergy
Mutavault
8.3%inclusion6 decks72 decks
8%synergy
Lake of the Dead
8.3%inclusion6 decks72 decks
3%synergy
Minas Morgul, Dark Fortress
6.9%inclusion5 decks72 decks
4%synergy
Access Tunnel
6.9%inclusion5 decks72 decks
4%synergy
Strip Mine
5.6%inclusion4 decks72 decks
3%synergy
Leechridden Swamp
5.6%inclusion4 decks72 decks
3%synergy
Mana Artifacts
Sol Ring
89%inclusion64 decks72 decks
3%synergy
Arcane Signet
57%inclusion41 decks72 decks
-5%synergy
Glistening Sphere
38%inclusion27 decks72 decks
36%synergy
Jeweled Lotus
26%inclusion19 decks72 decks
25%synergy
Staff of Compleation
25%inclusion18 decks72 decks
23%synergy
Mana Crypt
25%inclusion18 decks72 decks
24%synergy
Patchwork Banner
15%inclusion7 decks46 decks
11%synergy
Thought Vessel
13%inclusion9 decks72 decks
-13%synergy
Mox Amber
11%inclusion8 decks72 decks
7%synergy
Gauntlet of Power
10%inclusion7 decks72 decks
6%synergy
Throne of Eldraine
10%inclusion7 decks72 decks
0%synergy
Lotus Petal
8.3%inclusion6 decks72 decks
1%synergy
Nyx Lotus
8.3%inclusion6 decks72 decks
2%synergy
Mana Vault
6.9%inclusion5 decks72 decks
0%synergy
Fellwar Stone
6.9%inclusion5 decks72 decks
-7%synergy
Mind Stone
6.9%inclusion5 decks72 decks
-22%synergy
Charcoal Diamond
5.6%inclusion4 decks72 decks
-17%synergy
Mox Opal
5.6%inclusion4 decks72 decks
2%synergy
Lands
Swamp
86%inclusion62 decks72 decks
-9%synergy
Cavern of Souls
63%inclusion45 decks72 decks
56%synergy
Path of Ancestry
26%inclusion19 decks72 decks
21%synergy
Command Tower
18%inclusion13 decks72 decks
12%synergy
Malakir Rebirth
18%inclusion13 decks72 decks
-5%synergy
Myriad Landscape
15%inclusion11 decks72 decks
-10%synergy
Snow-Covered Swamp
15%inclusion11 decks72 decks
9%synergy
Verdant Catacombs
13%inclusion9 decks72 decks
9%synergy
Bloodstained Mire
13%inclusion9 decks72 decks
9%synergy
Fell the Profane
11%inclusion7 decks61 decks
-7%synergy
Marsh Flats
11%inclusion8 decks72 decks
8%synergy
Polluted Delta
11%inclusion8 decks72 decks
8%synergy
Gemstone Caverns
8.3%inclusion6 decks72 decks
4%synergy
Prismatic Vista
5.6%inclusion4 decks72 decks
3%synergy
Mirrex
5.6%inclusion4 decks72 decks
5%synergy
Evolving Wilds
5.6%inclusion4 decks72 decks
2%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test