Karumonix, the Rat King (Commander) - Expensive Exhibition

Karumonix, the Rat King
Rank #400
5decks
As CommanderAs CardAverage DeckDecks
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All12345
Budget
Any$$$$
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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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Archidekt
Commander Spellbook
Moxfield
Scryfall
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Game Changers
Creatures
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Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Marrow-Gnawer
80%inclusion4 decks5 decks
77%synergy
Thrumming Stone
80%inclusion4 decks5 decks
76%synergy
Bontu's Monument
80%inclusion4 decks5 decks
52%synergy
Cabal Coffers
80%inclusion4 decks5 decks
25%synergy
Game Changers
Imperial Seal
20%inclusion1 decks5 decks
13%synergy
Demonic Tutor
20%inclusion1 decks5 decks
-7%synergy
Vampiric Tutor
20%inclusion1 decks5 decks
-1%synergy
Creatures
Rat King, Verminister
100%inclusion3 decks3 decks
97%synergy
Rat Colony
60%inclusion3 decks5 decks
54%synergy
Relentless Rats
40%inclusion2 decks5 decks
38%synergy
Gray Merchant of Asphodel
40%inclusion2 decks5 decks
-11%synergy
Locust Miser
40%inclusion2 decks5 decks
38%synergy
Ashcoat of the Shadow Swarm
40%inclusion2 decks5 decks
36%synergy
Stronghold Rats
40%inclusion2 decks5 decks
36%synergy
Piper of the Swarm
40%inclusion2 decks5 decks
33%synergy
Blightbelly Rat
40%inclusion2 decks5 decks
37%synergy
Ichor Rats
40%inclusion2 decks5 decks
37%synergy
Splinter, the Mentor
33%inclusion1 decks3 decks
33%synergy
Rat King, Pale Piper
33%inclusion1 decks3 decks
29%synergy
Elephant-Rat
25%inclusion1 decks4 decks
25%synergy
Refurbished Familiar
20%inclusion1 decks5 decks
18%synergy
Ogre Slumlord
20%inclusion1 decks5 decks
10%synergy
Syr Konrad, the Grim
20%inclusion1 decks5 decks
-0%synergy
Nezumi Graverobber
20%inclusion1 decks5 decks
19%synergy
Graveshifter
20%inclusion1 decks5 decks
19%synergy
Metallic Mimic
20%inclusion1 decks5 decks
19%synergy
Ruthless Radrat
20%inclusion1 decks5 decks
19%synergy
Ayara, First of Locthwain
20%inclusion1 decks5 decks
-5%synergy
Burglar Rat
20%inclusion1 decks5 decks
9%synergy
Scrib Nibblers
20%inclusion1 decks5 decks
19%synergy
Nezumi Shortfang
20%inclusion1 decks5 decks
19%synergy
Lord Skitter's Butcher
20%inclusion1 decks5 decks
17%synergy
Adaptive Automaton
20%inclusion1 decks5 decks
19%synergy
Defiler of Flesh
20%inclusion1 decks5 decks
16%synergy
Tangled Colony
20%inclusion1 decks5 decks
17%synergy
Razortooth Rats
20%inclusion1 decks5 decks
19%synergy
Pack Rat
20%inclusion1 decks5 decks
14%synergy
Voracious Vermin
20%inclusion1 decks5 decks
17%synergy
Valley Rotcaller
20%inclusion1 decks5 decks
17%synergy
Ink-Eyes, Servant of Oni
20%inclusion1 decks5 decks
17%synergy
Zodiac Rat
20%inclusion1 decks5 decks
20%synergy
Pitiless Plunderer
20%inclusion1 decks5 decks
0%synergy
Nezumi Cutthroat
20%inclusion1 decks5 decks
19%synergy
Changeling Outcast
20%inclusion1 decks5 decks
15%synergy
Platinum Emperion
20%inclusion1 decks5 decks
20%synergy
Gnat Miser
20%inclusion1 decks5 decks
17%synergy
Chittering Skitterling
20%inclusion1 decks5 decks
19%synergy
Lord Skitter, Sewer King
20%inclusion1 decks5 decks
12%synergy
Old Flitterfang
20%inclusion1 decks5 decks
19%synergy
Crypt Ghast
20%inclusion1 decks5 decks
-27%synergy
Nezumi Informant
20%inclusion1 decks5 decks
14%synergy
Wave of Rats
20%inclusion1 decks5 decks
18%synergy
Rancid Rats
20%inclusion1 decks5 decks
18%synergy
Instants
Vraska's Fall
60%inclusion3 decks5 decks
57%synergy
Deadly Rollick
40%inclusion2 decks5 decks
15%synergy
Whisper of the Dross
40%inclusion2 decks5 decks
37%synergy
Dark Ritual
40%inclusion2 decks5 decks
-27%synergy
Foul-Tongue Shriek
40%inclusion2 decks5 decks
38%synergy
Fell the Profane
20%inclusion1 decks5 decks
1%synergy
Consuming Corruption
20%inclusion1 decks5 decks
4%synergy
Anoint with Affliction
20%inclusion1 decks5 decks
19%synergy
Grim Affliction
20%inclusion1 decks5 decks
18%synergy
Defile
20%inclusion1 decks5 decks
-16%synergy
Infernal Grasp
20%inclusion1 decks5 decks
-5%synergy
Withering Torment
20%inclusion1 decks5 decks
-11%synergy
Sorceries
Kindred Dominance
60%inclusion3 decks5 decks
55%synergy
Diabolic Tutor
40%inclusion2 decks5 decks
26%synergy
Infectious Inquiry
40%inclusion2 decks5 decks
37%synergy
Drown in Ichor
40%inclusion2 decks5 decks
36%synergy
Bloodline Bidding
33%inclusion1 decks3 decks
29%synergy
Diabolic Intent
20%inclusion1 decks5 decks
5%synergy
Vat Emergence
20%inclusion1 decks5 decks
19%synergy
Spread the Sickness
20%inclusion1 decks5 decks
19%synergy
Patriarch's Bidding
20%inclusion1 decks5 decks
16%synergy
Yawgmoth's Will
20%inclusion1 decks5 decks
17%synergy
Phyresis Outbreak
20%inclusion1 decks5 decks
18%synergy
Feed the Swarm
20%inclusion1 decks5 decks
-30%synergy
Echoing Return
20%inclusion1 decks5 decks
17%synergy
In Garruk's Wake
20%inclusion1 decks5 decks
16%synergy
Lich-Knights' Conquest
20%inclusion1 decks5 decks
18%synergy
Beacon of Unrest
20%inclusion1 decks5 decks
16%synergy
Infernal Tutor
20%inclusion1 decks5 decks
20%synergy
Geth's Summons
20%inclusion1 decks5 decks
20%synergy
Gruesome Fate
20%inclusion1 decks5 decks
18%synergy
Grim Tutor
20%inclusion1 decks5 decks
8%synergy
Pact of the Serpent
20%inclusion1 decks5 decks
18%synergy
Utility Artifacts
Jet Medallion
60%inclusion3 decks5 decks
-2%synergy
Lightning Greaves
60%inclusion3 decks5 decks
26%synergy
Herald's Horn
40%inclusion2 decks5 decks
34%synergy
Chronicle of Victory
33%inclusion1 decks3 decks
31%synergy
Icon of Ancestry
20%inclusion1 decks5 decks
19%synergy
Mirror Box
20%inclusion1 decks5 decks
19%synergy
Contagion Clasp
20%inclusion1 decks5 decks
18%synergy
Whip of Erebos
20%inclusion1 decks5 decks
9%synergy
Ashnod's Altar
20%inclusion1 decks5 decks
0%synergy
Coat of Arms
20%inclusion1 decks5 decks
17%synergy
Contagion Engine
20%inclusion1 decks5 decks
18%synergy
Instruments of War
20%inclusion1 decks5 decks
20%synergy
Banner of Kinship
20%inclusion1 decks5 decks
18%synergy
Akroma's Memorial
20%inclusion1 decks5 decks
19%synergy
Door of Destinies
20%inclusion1 decks5 decks
18%synergy
Urza's Incubator
20%inclusion1 decks5 decks
18%synergy
Dolmen Gate
20%inclusion1 decks5 decks
20%synergy
Altar of Dementia
20%inclusion1 decks5 decks
14%synergy
Obelisk of Urd
20%inclusion1 decks5 decks
19%synergy
Thornbite Staff
20%inclusion1 decks5 decks
17%synergy
Helm of the Host
20%inclusion1 decks5 decks
19%synergy
Throne of the God-Pharaoh
20%inclusion1 decks5 decks
20%synergy
Lux Cannon
20%inclusion1 decks5 decks
20%synergy
The Darkness Crystal
20%inclusion1 decks5 decks
-0%synergy
Vanquisher's Banner
20%inclusion1 decks5 decks
16%synergy
Eldrazi Monument
20%inclusion1 decks5 decks
18%synergy
Enchantments
Cover of Darkness
40%inclusion2 decks5 decks
37%synergy
Deathgrip
20%inclusion1 decks5 decks
20%synergy
Eldrazi Conscription
20%inclusion1 decks5 decks
20%synergy
Haunted One
20%inclusion1 decks5 decks
17%synergy
Revel in Riches
20%inclusion1 decks5 decks
15%synergy
Black Market Connections
20%inclusion1 decks5 decks
-4%synergy
Tribute to Horobi
20%inclusion1 decks5 decks
19%synergy
Phyrexian Arena
20%inclusion1 decks5 decks
-19%synergy
Planeswalkers
Vraska, Betrayal's Sting
40%inclusion2 decks5 decks
37%synergy
Liliana of the Dark Realms
20%inclusion1 decks5 decks
6%synergy
Utility Lands
Bojuka Bog
60%inclusion3 decks5 decks
13%synergy
Three Tree City
60%inclusion3 decks5 decks
55%synergy
Urborg, Tomb of Yawgmoth
60%inclusion3 decks5 decks
22%synergy
Cabal Stronghold
40%inclusion2 decks5 decks
6%synergy
Karn's Bastion
40%inclusion2 decks5 decks
36%synergy
Rogue's Passage
40%inclusion2 decks5 decks
21%synergy
Mortuary Mire
20%inclusion1 decks5 decks
7%synergy
Crypt of Agadeem
20%inclusion1 decks5 decks
8%synergy
Swarmyard
20%inclusion1 decks5 decks
14%synergy
Minas Morgul, Dark Fortress
20%inclusion1 decks5 decks
17%synergy
Nykthos, Shrine to Nyx
20%inclusion1 decks5 decks
-10%synergy
Takenuma, Abandoned Mire
20%inclusion1 decks5 decks
4%synergy
Mudflat Village
20%inclusion1 decks5 decks
17%synergy
Reliquary Tower
20%inclusion1 decks5 decks
-10%synergy
Temple of the False God
20%inclusion1 decks5 decks
12%synergy
Mana Artifacts
Glistening Sphere
40%inclusion2 decks5 decks
39%synergy
Patchwork Banner
40%inclusion2 decks5 decks
36%synergy
Arcane Signet
20%inclusion1 decks5 decks
-42%synergy
Phyrexian Atlas
20%inclusion1 decks5 decks
20%synergy
Sol Ring
20%inclusion1 decks5 decks
-66%synergy
Nyx Lotus
20%inclusion1 decks5 decks
14%synergy
Lands
Swamp
100%inclusion5 decks5 decks
5%synergy
Cavern of Souls
40%inclusion2 decks5 decks
33%synergy
Fell the Profane
20%inclusion1 decks5 decks
1%synergy
Urza's Cave
20%inclusion1 decks5 decks
12%synergy
Evolving Wilds
20%inclusion1 decks5 decks
16%synergy
Snow-Covered Swamp
20%inclusion1 decks5 decks
13%synergy
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