Karumonix, the Rat King (Commander) - Expensive Exhibition

Karumonix, the Rat King
Rank #401
5decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Tags
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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Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Thrumming Stone
80%inclusion4 decks5 decks
76%synergy
Rat Colony
80%inclusion4 decks5 decks
74%synergy
Game Changers
Demonic Tutor
40%inclusion2 decks5 decks
13%synergy
Vampiric Tutor
40%inclusion2 decks5 decks
19%synergy
Imperial Seal
20%inclusion1 decks5 decks
13%synergy
Creatures
Rat King, Verminister
100%inclusion3 decks3 decks
97%synergy
Marrow-Gnawer
60%inclusion3 decks5 decks
57%synergy
Relentless Rats
40%inclusion2 decks5 decks
38%synergy
Gray Merchant of Asphodel
40%inclusion2 decks5 decks
-10%synergy
Lord Skitter's Butcher
40%inclusion2 decks5 decks
37%synergy
Locust Miser
40%inclusion2 decks5 decks
39%synergy
Chittering Skitterling
40%inclusion2 decks5 decks
39%synergy
Voracious Vermin
40%inclusion2 decks5 decks
37%synergy
Ashcoat of the Shadow Swarm
40%inclusion2 decks5 decks
36%synergy
Piper of the Swarm
40%inclusion2 decks5 decks
33%synergy
Stronghold Rats
40%inclusion2 decks5 decks
36%synergy
Lord Skitter, Sewer King
40%inclusion2 decks5 decks
32%synergy
Rat King, Pale Piper
33%inclusion1 decks3 decks
29%synergy
Splinter, the Mentor
25%inclusion1 decks4 decks
24%synergy
Refurbished Familiar
20%inclusion1 decks5 decks
18%synergy
Ogre Slumlord
20%inclusion1 decks5 decks
10%synergy
Nezumi Graverobber
20%inclusion1 decks5 decks
19%synergy
Syr Konrad, the Grim
20%inclusion1 decks5 decks
-0%synergy
Graveshifter
20%inclusion1 decks5 decks
19%synergy
Metallic Mimic
20%inclusion1 decks5 decks
19%synergy
Burglar Rat
20%inclusion1 decks5 decks
9%synergy
Ruthless Radrat
20%inclusion1 decks5 decks
19%synergy
Roaming Throne
20%inclusion1 decks5 decks
17%synergy
Ayara, First of Locthwain
20%inclusion1 decks5 decks
-5%synergy
Defiler of Flesh
20%inclusion1 decks5 decks
16%synergy
Tangled Colony
20%inclusion1 decks5 decks
17%synergy
Scrib Nibblers
20%inclusion1 decks5 decks
20%synergy
Nezumi Shortfang
20%inclusion1 decks5 decks
19%synergy
Adaptive Automaton
20%inclusion1 decks5 decks
19%synergy
Pack Rat
20%inclusion1 decks5 decks
14%synergy
Ink-Eyes, Servant of Oni
20%inclusion1 decks5 decks
17%synergy
Zodiac Rat
20%inclusion1 decks5 decks
20%synergy
Razortooth Rats
20%inclusion1 decks5 decks
19%synergy
Chittering Witch
20%inclusion1 decks5 decks
16%synergy
Valley Rotcaller
20%inclusion1 decks5 decks
17%synergy
Nezumi Cutthroat
20%inclusion1 decks5 decks
19%synergy
Crypt Ghast
20%inclusion1 decks5 decks
-27%synergy
Changeling Outcast
20%inclusion1 decks5 decks
15%synergy
Nezumi Informant
20%inclusion1 decks5 decks
14%synergy
Pitiless Plunderer
20%inclusion1 decks5 decks
0%synergy
Blightbelly Rat
20%inclusion1 decks5 decks
17%synergy
Platinum Emperion
20%inclusion1 decks5 decks
20%synergy
Wave of Rats
20%inclusion1 decks5 decks
18%synergy
Gnat Miser
20%inclusion1 decks5 decks
17%synergy
Rancid Rats
20%inclusion1 decks5 decks
18%synergy
Ichor Rats
20%inclusion1 decks5 decks
17%synergy
Old Flitterfang
20%inclusion1 decks5 decks
19%synergy
Elephant-Rat
20%inclusion1 decks5 decks
20%synergy
Instants
Dark Ritual
60%inclusion3 decks5 decks
-7%synergy
Vraska's Fall
40%inclusion2 decks5 decks
37%synergy
Deadly Rollick
20%inclusion1 decks5 decks
-5%synergy
Whisper of the Dross
20%inclusion1 decks5 decks
17%synergy
Anoint with Affliction
20%inclusion1 decks5 decks
19%synergy
Defile
20%inclusion1 decks5 decks
-15%synergy
Infernal Grasp
20%inclusion1 decks5 decks
-5%synergy
Foul-Tongue Shriek
20%inclusion1 decks5 decks
18%synergy
Withering Torment
20%inclusion1 decks5 decks
-11%synergy
Sorceries
Diabolic Tutor
40%inclusion2 decks5 decks
26%synergy
Kindred Dominance
40%inclusion2 decks5 decks
35%synergy
Grim Tutor
40%inclusion2 decks5 decks
29%synergy
Bloodline Bidding
25%inclusion1 decks4 decks
21%synergy
Diabolic Intent
20%inclusion1 decks5 decks
5%synergy
Vat Emergence
20%inclusion1 decks5 decks
19%synergy
Rhystic Tutor
20%inclusion1 decks5 decks
20%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
Infectious Inquiry
20%inclusion1 decks5 decks
17%synergy
Infernal Tutor
20%inclusion1 decks5 decks
20%synergy
Beacon of Unrest
20%inclusion1 decks5 decks
16%synergy
Lich-Knights' Conquest
20%inclusion1 decks5 decks
18%synergy
Geth's Summons
20%inclusion1 decks5 decks
20%synergy
Gruesome Fate
20%inclusion1 decks5 decks
18%synergy
Cruel Tutor
20%inclusion1 decks5 decks
19%synergy
Drown in Ichor
20%inclusion1 decks5 decks
16%synergy
Pact of the Serpent
20%inclusion1 decks5 decks
18%synergy
Utility Artifacts
Bontu's Monument
60%inclusion3 decks5 decks
32%synergy
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
25%inclusion1 decks4 decks
22%synergy
Icon of Ancestry
20%inclusion1 decks5 decks
19%synergy
Mirror Box
20%inclusion1 decks5 decks
19%synergy
Ashnod's Altar
20%inclusion1 decks5 decks
0%synergy
Whip of Erebos
20%inclusion1 decks5 decks
9%synergy
Coat of Arms
20%inclusion1 decks5 decks
17%synergy
Helm of the Host
20%inclusion1 decks5 decks
19%synergy
Instruments of War
20%inclusion1 decks5 decks
20%synergy
Banner of Kinship
20%inclusion1 decks5 decks
18%synergy
Vanquisher's Banner
20%inclusion1 decks5 decks
16%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
Eldrazi Monument
20%inclusion1 decks5 decks
18%synergy
Swiftfoot Boots
20%inclusion1 decks5 decks
-12%synergy
Dolmen Gate
20%inclusion1 decks5 decks
20%synergy
Altar of Dementia
20%inclusion1 decks5 decks
14%synergy
Thornbite Staff
20%inclusion1 decks5 decks
17%synergy
Obelisk of Urd
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
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
18%synergy
Revel in Riches
20%inclusion1 decks5 decks
15%synergy
Black Market Connections
20%inclusion1 decks5 decks
-5%synergy
Phyrexian Arena
20%inclusion1 decks5 decks
-19%synergy
Planeswalkers
Vraska, Betrayal's Sting
20%inclusion1 decks5 decks
17%synergy
Utility Lands
Bojuka Bog
60%inclusion3 decks5 decks
13%synergy
Cabal Coffers
60%inclusion3 decks5 decks
5%synergy
Urborg, Tomb of Yawgmoth
60%inclusion3 decks5 decks
22%synergy
Cabal Stronghold
40%inclusion2 decks5 decks
6%synergy
Three Tree City
40%inclusion2 decks5 decks
35%synergy
Mortuary Mire
20%inclusion1 decks5 decks
7%synergy
Nykthos, Shrine to Nyx
20%inclusion1 decks5 decks
-10%synergy
Karn's Bastion
20%inclusion1 decks5 decks
16%synergy
Reliquary Tower
20%inclusion1 decks5 decks
-10%synergy
Temple of the False God
20%inclusion1 decks5 decks
12%synergy
Rogue's Passage
20%inclusion1 decks5 decks
1%synergy
Mana Artifacts
Arcane Signet
40%inclusion2 decks5 decks
-21%synergy
Sol Ring
40%inclusion2 decks5 decks
-45%synergy
Commander's Sphere
20%inclusion1 decks5 decks
12%synergy
Glistening Sphere
20%inclusion1 decks5 decks
19%synergy
Patchwork Banner
20%inclusion1 decks5 decks
16%synergy
Fellwar Stone
20%inclusion1 decks5 decks
6%synergy
Thought Vessel
20%inclusion1 decks5 decks
-5%synergy
Phyrexian Atlas
20%inclusion1 decks5 decks
20%synergy
Nyx Lotus
20%inclusion1 decks5 decks
14%synergy
Lands
Swamp
100%inclusion5 decks5 decks
5%synergy
Command Tower
20%inclusion1 decks5 decks
14%synergy
Terramorphic Expanse
20%inclusion1 decks5 decks
17%synergy
Myriad Landscape
20%inclusion1 decks5 decks
-5%synergy
Exotic Orchard
20%inclusion1 decks5 decks
19%synergy
Urza's Cave
20%inclusion1 decks5 decks
12%synergy
Cavern of Souls
20%inclusion1 decks5 decks
13%synergy
Evolving Wilds
20%inclusion1 decks5 decks
16%synergy
Path of Ancestry
20%inclusion1 decks5 decks
15%synergy
Snow-Covered Swamp
20%inclusion1 decks5 decks
13%synergy
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