Karumonix, the Rat King (Commander) - Expensive Exhibition

Karumonix, the Rat King
Rank #384
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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Commander Spellbook
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Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Rat King, Verminister
100%inclusion1 decks1 decks
97%synergy
High Synergy Cards
Thrumming Stone
100%inclusion5 decks5 decks
96%synergy
Marrow-Gnawer
80%inclusion4 decks5 decks
77%synergy
Bontu's Monument
80%inclusion4 decks5 decks
52%synergy
Lightning Greaves
80%inclusion4 decks5 decks
46%synergy
Urborg, Tomb of Yawgmoth
80%inclusion4 decks5 decks
42%synergy
Game Changers
Demonic Tutor
20%inclusion1 decks5 decks
-7%synergy
Vampiric Tutor
20%inclusion1 decks5 decks
-1%synergy
Creatures
Relentless Rats
60%inclusion3 decks5 decks
58%synergy
Rat Colony
60%inclusion3 decks5 decks
54%synergy
Piper of the Swarm
60%inclusion3 decks5 decks
53%synergy
Gray Merchant of Asphodel
40%inclusion2 decks5 decks
-11%synergy
Ogre Slumlord
20%inclusion1 decks5 decks
10%synergy
Syr Konrad, the Grim
20%inclusion1 decks5 decks
0%synergy
Ayara, First of Locthwain
20%inclusion1 decks5 decks
-6%synergy
Defiler of Flesh
20%inclusion1 decks5 decks
16%synergy
Lord Skitter's Butcher
20%inclusion1 decks5 decks
17%synergy
Ink-Eyes, Servant of Oni
20%inclusion1 decks5 decks
17%synergy
Roaming Throne
20%inclusion1 decks5 decks
17%synergy
Chittering Witch
20%inclusion1 decks5 decks
16%synergy
Valley Rotcaller
20%inclusion1 decks5 decks
17%synergy
Adaptive Automaton
20%inclusion1 decks5 decks
19%synergy
Pitiless Plunderer
20%inclusion1 decks5 decks
1%synergy
Platinum Emperion
20%inclusion1 decks5 decks
20%synergy
Locust Miser
20%inclusion1 decks5 decks
18%synergy
Stronghold Rats
20%inclusion1 decks5 decks
16%synergy
Chittering Skitterling
20%inclusion1 decks5 decks
19%synergy
Voracious Vermin
20%inclusion1 decks5 decks
17%synergy
Ashcoat of the Shadow Swarm
20%inclusion1 decks5 decks
17%synergy
Crypt Ghast
20%inclusion1 decks5 decks
-28%synergy
Blightbelly Rat
20%inclusion1 decks5 decks
16%synergy
Lord Skitter, Sewer King
20%inclusion1 decks5 decks
12%synergy
Ichor Rats
20%inclusion1 decks5 decks
17%synergy
Instants
Deadly Rollick
40%inclusion2 decks5 decks
16%synergy
Whisper of the Dross
40%inclusion2 decks5 decks
37%synergy
Vraska's Fall
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
Grim Affliction
20%inclusion1 decks5 decks
18%synergy
Defile
20%inclusion1 decks5 decks
-17%synergy
Sorceries
Diabolic Tutor
60%inclusion3 decks5 decks
46%synergy
Echoing Return
40%inclusion2 decks5 decks
37%synergy
Kindred Dominance
40%inclusion2 decks5 decks
35%synergy
Drown in Ichor
40%inclusion2 decks5 decks
36%synergy
Spread the Sickness
20%inclusion1 decks5 decks
19%synergy
Rhystic Tutor
20%inclusion1 decks5 decks
20%synergy
Yawgmoth's Will
20%inclusion1 decks5 decks
17%synergy
In Garruk's Wake
20%inclusion1 decks5 decks
16%synergy
Beacon of Unrest
20%inclusion1 decks5 decks
16%synergy
Infectious Inquiry
20%inclusion1 decks5 decks
17%synergy
Infernal Tutor
20%inclusion1 decks5 decks
20%synergy
Gruesome Fate
20%inclusion1 decks5 decks
18%synergy
Grim Tutor
20%inclusion1 decks5 decks
8%synergy
Lich-Knights' Conquest
20%inclusion1 decks5 decks
18%synergy
Cruel Tutor
20%inclusion1 decks5 decks
19%synergy
Utility Artifacts
Herald's Horn
60%inclusion3 decks5 decks
54%synergy
Jet Medallion
60%inclusion3 decks5 decks
-2%synergy
Door of Destinies
40%inclusion2 decks5 decks
38%synergy
Contagion Engine
20%inclusion1 decks5 decks
18%synergy
Contagion Clasp
20%inclusion1 decks5 decks
18%synergy
Ashnod's Altar
20%inclusion1 decks5 decks
0%synergy
Icon of Ancestry
20%inclusion1 decks5 decks
19%synergy
Coat of Arms
20%inclusion1 decks5 decks
17%synergy
Instruments of War
20%inclusion1 decks5 decks
20%synergy
Banner of Kinship
20%inclusion1 decks5 decks
18%synergy
Eldrazi Monument
20%inclusion1 decks5 decks
18%synergy
Swiftfoot Boots
20%inclusion1 decks5 decks
-11%synergy
Obelisk of Urd
20%inclusion1 decks5 decks
19%synergy
Throne of the God-Pharaoh
20%inclusion1 decks5 decks
20%synergy
Dolmen Gate
20%inclusion1 decks5 decks
20%synergy
Helm of the Host
20%inclusion1 decks5 decks
19%synergy
Akroma's Memorial
20%inclusion1 decks5 decks
19%synergy
Thornbite Staff
20%inclusion1 decks5 decks
17%synergy
Lux Cannon
20%inclusion1 decks5 decks
20%synergy
Enchantments
Eldrazi Conscription
20%inclusion1 decks5 decks
20%synergy
Deathgrip
20%inclusion1 decks5 decks
20%synergy
Black Market
20%inclusion1 decks5 decks
-1%synergy
Tribute to Horobi
20%inclusion1 decks5 decks
19%synergy
Haunted One
20%inclusion1 decks5 decks
17%synergy
Cover of Darkness
20%inclusion1 decks5 decks
17%synergy
Revel in Riches
20%inclusion1 decks5 decks
15%synergy
Planeswalkers
Vraska, Betrayal's Sting
20%inclusion1 decks5 decks
17%synergy
Liliana of the Dark Realms
20%inclusion1 decks5 decks
6%synergy
Utility Lands
Cabal Coffers
60%inclusion3 decks5 decks
5%synergy
Three Tree City
60%inclusion3 decks5 decks
55%synergy
Bojuka Bog
40%inclusion2 decks5 decks
-7%synergy
Reliquary Tower
40%inclusion2 decks5 decks
10%synergy
Rogue's Passage
40%inclusion2 decks5 decks
21%synergy
Temple of the False God
40%inclusion2 decks5 decks
32%synergy
Cabal Stronghold
20%inclusion1 decks5 decks
-15%synergy
Swarmyard
20%inclusion1 decks5 decks
14%synergy
Nykthos, Shrine to Nyx
20%inclusion1 decks5 decks
-10%synergy
Crypt of Agadeem
20%inclusion1 decks5 decks
9%synergy
Karn's Bastion
20%inclusion1 decks5 decks
16%synergy
Mudflat Village
20%inclusion1 decks5 decks
17%synergy
Minas Morgul, Dark Fortress
20%inclusion1 decks5 decks
17%synergy
Takenuma, Abandoned Mire
20%inclusion1 decks5 decks
4%synergy
Mana Artifacts
Arcane Signet
40%inclusion2 decks5 decks
-22%synergy
Sol Ring
40%inclusion2 decks5 decks
-46%synergy
Patchwork Banner
40%inclusion2 decks5 decks
36%synergy
Gauntlet of Power
20%inclusion1 decks5 decks
17%synergy
Caged Sun
20%inclusion1 decks5 decks
9%synergy
Glistening Sphere
20%inclusion1 decks5 decks
19%synergy
Commander's Sphere
20%inclusion1 decks5 decks
11%synergy
Fellwar Stone
20%inclusion1 decks5 decks
6%synergy
Thought Vessel
20%inclusion1 decks5 decks
-6%synergy
Lands
Swamp
100%inclusion5 decks5 decks
5%synergy
Cavern of Souls
40%inclusion2 decks5 decks
33%synergy
Evolving Wilds
40%inclusion2 decks5 decks
36%synergy
Fell the Profane
20%inclusion1 decks5 decks
1%synergy
Command Tower
20%inclusion1 decks5 decks
14%synergy
Terramorphic Expanse
20%inclusion1 decks5 decks
17%synergy
Myriad Landscape
20%inclusion1 decks5 decks
-6%synergy
Exotic Orchard
20%inclusion1 decks5 decks
19%synergy
Path of Ancestry
20%inclusion1 decks5 decks
15%synergy
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