Karumonix, the Rat King (Commander) - Expensive Proliferate

Karumonix, the Rat King
Rank #412
4decks
As CommanderAs CardAverage DeckDecks
Bracket
All
1
2
3
4
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Cover of Darkness
100%inclusion4 decks4 decks
97%synergy
Marrow-Gnawer
100%inclusion4 decks4 decks
97%synergy
Ashcoat of the Shadow Swarm
100%inclusion4 decks4 decks
96%synergy
Nykthos, Shrine to Nyx
100%inclusion4 decks4 decks
70%synergy
Urborg, Tomb of Yawgmoth
100%inclusion4 decks4 decks
62%synergy
Cabal Coffers
100%inclusion4 decks4 decks
45%synergy
Jet Medallion
100%inclusion4 decks4 decks
38%synergy
Game Changers
Bolas's Citadel
25%inclusion1 decks4 decks
-3%synergy
Demonic Tutor
25%inclusion1 decks4 decks
-2%synergy
Creatures
Filth
75%inclusion3 decks4 decks
73%synergy
Persistent Marshstalker
75%inclusion3 decks4 decks
72%synergy
Piper of the Swarm
75%inclusion3 decks4 decks
68%synergy
Rat Colony
75%inclusion3 decks4 decks
70%synergy
Ichor Rats
75%inclusion3 decks4 decks
72%synergy
Ogre Slumlord
50%inclusion2 decks4 decks
41%synergy
Crypt Rats
50%inclusion2 decks4 decks
46%synergy
Ayara, First of Locthwain
50%inclusion2 decks4 decks
25%synergy
Mukotai Ambusher
50%inclusion2 decks4 decks
49%synergy
Lord Skitter's Butcher
50%inclusion2 decks4 decks
47%synergy
Species Specialist
50%inclusion2 decks4 decks
47%synergy
Pack Rat
50%inclusion2 decks4 decks
44%synergy
Blightbelly Rat
50%inclusion2 decks4 decks
47%synergy
Septic Rats
50%inclusion2 decks4 decks
48%synergy
Gnat Miser
50%inclusion2 decks4 decks
47%synergy
Nashi, Moon Sage's Scion
50%inclusion2 decks4 decks
46%synergy
Typhoid Rats
50%inclusion2 decks4 decks
47%synergy
Rancid Rats
50%inclusion2 decks4 decks
48%synergy
Stronghold Rats
50%inclusion2 decks4 decks
47%synergy
Lord Skitter, Sewer King
50%inclusion2 decks4 decks
42%synergy
Splinter, the Mentor
33%inclusion1 decks3 decks
33%synergy
Rat King, Verminister
33%inclusion1 decks3 decks
30%synergy
Rat King, Pale Piper
33%inclusion1 decks3 decks
30%synergy
Maha, Its Feathers Night
25%inclusion1 decks4 decks
21%synergy
Crashing Drawbridge
25%inclusion1 decks4 decks
23%synergy
Gnawing Vermin
25%inclusion1 decks4 decks
24%synergy
Gray Merchant of Asphodel
25%inclusion1 decks4 decks
-25%synergy
Defiler of Flesh
25%inclusion1 decks4 decks
21%synergy
Tangled Colony
25%inclusion1 decks4 decks
22%synergy
Diseased Vermin
25%inclusion1 decks4 decks
25%synergy
Zodiac Rat
25%inclusion1 decks4 decks
25%synergy
Razortooth Rats
25%inclusion1 decks4 decks
24%synergy
Locust Miser
25%inclusion1 decks4 decks
24%synergy
Engine Rat
25%inclusion1 decks4 decks
23%synergy
Voracious Vermin
25%inclusion1 decks4 decks
22%synergy
Crypt Ghast
25%inclusion1 decks4 decks
-22%synergy
Changeling Outcast
25%inclusion1 decks4 decks
20%synergy
Nezumi Prowler
25%inclusion1 decks4 decks
24%synergy
Ratcatcher
25%inclusion1 decks4 decks
22%synergy
Ruin Rat
25%inclusion1 decks4 decks
24%synergy
Elephant-Rat
25%inclusion1 decks4 decks
25%synergy
Instants
Dark Ritual
75%inclusion3 decks4 decks
8%synergy
Malakir Rebirth
75%inclusion3 decks4 decks
51%synergy
Tainted Strike
50%inclusion2 decks4 decks
47%synergy
Withering Torment
50%inclusion2 decks4 decks
18%synergy
Hagra Mauling
25%inclusion1 decks4 decks
21%synergy
Reckoner's Bargain
25%inclusion1 decks4 decks
22%synergy
Deadly Rollick
25%inclusion1 decks4 decks
-1%synergy
Fell the Profane
25%inclusion1 decks4 decks
5%synergy
Snuff Out
25%inclusion1 decks4 decks
11%synergy
Vraska's Fall
25%inclusion1 decks4 decks
22%synergy
Village Rites
25%inclusion1 decks4 decks
-1%synergy
Not Dead After All
25%inclusion1 decks4 decks
14%synergy
Deadly Dispute
25%inclusion1 decks4 decks
-2%synergy
Culling the Weak
25%inclusion1 decks4 decks
7%synergy
Supernatural Stamina
25%inclusion1 decks4 decks
17%synergy
Undying Malice
25%inclusion1 decks4 decks
15%synergy
Costly Plunder
25%inclusion1 decks4 decks
23%synergy
Infernal Grasp
25%inclusion1 decks4 decks
-0%synergy
Corrupted Conviction
25%inclusion1 decks4 decks
13%synergy
Sudden Spoiling
25%inclusion1 decks4 decks
17%synergy
Feign Death
25%inclusion1 decks4 decks
17%synergy
Sorceries
Feed the Swarm
75%inclusion3 decks4 decks
25%synergy
Phyresis Outbreak
50%inclusion2 decks4 decks
48%synergy
Infectious Inquiry
50%inclusion2 decks4 decks
47%synergy
Toxic Deluge
50%inclusion2 decks4 decks
13%synergy
Drown in Ichor
50%inclusion2 decks4 decks
47%synergy
Plague of Vermin
50%inclusion2 decks4 decks
48%synergy
Bloodline Bidding
33%inclusion1 decks3 decks
30%synergy
Splinter's Technique
33%inclusion1 decks3 decks
31%synergy
Vat Emergence
25%inclusion1 decks4 decks
24%synergy
Victimize
25%inclusion1 decks4 decks
-3%synergy
Patriarch's Bidding
25%inclusion1 decks4 decks
21%synergy
Bubbling Muck
25%inclusion1 decks4 decks
9%synergy
Feed the Infection
25%inclusion1 decks4 decks
24%synergy
Unearth
25%inclusion1 decks4 decks
16%synergy
Swarmyard Massacre
25%inclusion1 decks4 decks
23%synergy
Bone Shards
25%inclusion1 decks4 decks
22%synergy
Night's Whisper
25%inclusion1 decks4 decks
-1%synergy
Buried Alive
25%inclusion1 decks4 decks
12%synergy
Ashes to Ashes
25%inclusion1 decks4 decks
25%synergy
Living Death
25%inclusion1 decks4 decks
15%synergy
Reanimate
25%inclusion1 decks4 decks
-16%synergy
Diresight
25%inclusion1 decks4 decks
22%synergy
Sign in Blood
25%inclusion1 decks4 decks
-10%synergy
Final Vengeance
25%inclusion1 decks4 decks
23%synergy
Secret Salvage
25%inclusion1 decks4 decks
24%synergy
Utility Artifacts
Herald's Horn
75%inclusion3 decks4 decks
69%synergy
Contagion Clasp
50%inclusion2 decks4 decks
48%synergy
Contagion Engine
50%inclusion2 decks4 decks
48%synergy
Skullclamp
50%inclusion2 decks4 decks
28%synergy
Bontu's Monument
50%inclusion2 decks4 decks
22%synergy
Chronicle of Victory
33%inclusion1 decks3 decks
31%synergy
Vat of Rebirth
25%inclusion1 decks4 decks
22%synergy
Ashnod's Altar
25%inclusion1 decks4 decks
5%synergy
Whip of Erebos
25%inclusion1 decks4 decks
14%synergy
Coat of Arms
25%inclusion1 decks4 decks
23%synergy
Vorpal Sword
25%inclusion1 decks4 decks
21%synergy
Sword of Truth and Justice
25%inclusion1 decks4 decks
24%synergy
Helm of the Host
25%inclusion1 decks4 decks
23%synergy
Banner of Kinship
25%inclusion1 decks4 decks
23%synergy
Expedition Map
25%inclusion1 decks4 decks
14%synergy
Sword of Hearth and Home
25%inclusion1 decks4 decks
24%synergy
Whispersilk Cloak
25%inclusion1 decks4 decks
19%synergy
Blade of Selves
25%inclusion1 decks4 decks
23%synergy
Thrumming Stone
25%inclusion1 decks4 decks
21%synergy
Urza's Incubator
25%inclusion1 decks4 decks
23%synergy
Lightning Greaves
25%inclusion1 decks4 decks
-9%synergy
Basilisk Collar
25%inclusion1 decks4 decks
22%synergy
Enchantments
Black Market Connections
50%inclusion2 decks4 decks
25%synergy
Phyrexian Arena
50%inclusion2 decks4 decks
11%synergy
Phyrexian Reclamation
25%inclusion1 decks4 decks
15%synergy
Vampiric Rites
25%inclusion1 decks4 decks
19%synergy
Haunted One
25%inclusion1 decks4 decks
23%synergy
Grave Pact
25%inclusion1 decks4 decks
5%synergy
Phyresis
25%inclusion1 decks4 decks
23%synergy
Kaya's Ghostform
25%inclusion1 decks4 decks
15%synergy
No Mercy
25%inclusion1 decks4 decks
17%synergy
Oversold Cemetery
25%inclusion1 decks4 decks
20%synergy
Planeswalkers
Vraska, Betrayal's Sting
50%inclusion2 decks4 decks
47%synergy
Liliana of the Dark Realms
50%inclusion2 decks4 decks
36%synergy
Utility Lands
Swarmyard
75%inclusion3 decks4 decks
69%synergy
Karn's Bastion
75%inclusion3 decks4 decks
71%synergy
Shizo, Death's Storehouse
50%inclusion2 decks4 decks
40%synergy
Bojuka Bog
50%inclusion2 decks4 decks
3%synergy
Cabal Stronghold
50%inclusion2 decks4 decks
16%synergy
Phyrexian Tower
50%inclusion2 decks4 decks
23%synergy
Crypt of Agadeem
50%inclusion2 decks4 decks
38%synergy
Three Tree City
50%inclusion2 decks4 decks
45%synergy
Mortuary Mire
25%inclusion1 decks4 decks
12%synergy
Barren Moor
25%inclusion1 decks4 decks
16%synergy
Minas Morgul, Dark Fortress
25%inclusion1 decks4 decks
22%synergy
Inventors' Fair
25%inclusion1 decks4 decks
23%synergy
Takenuma, Abandoned Mire
25%inclusion1 decks4 decks
9%synergy
Mudflat Village
25%inclusion1 decks4 decks
22%synergy
Thespian's Stage
25%inclusion1 decks4 decks
20%synergy
Castle Locthwain
25%inclusion1 decks4 decks
8%synergy
Dark Depths
25%inclusion1 decks4 decks
24%synergy
Rogue's Passage
25%inclusion1 decks4 decks
5%synergy
Midgar, City of Mako
25%inclusion1 decks4 decks
15%synergy
Mana Artifacts
Arcane Signet
50%inclusion2 decks4 decks
-11%synergy
Glistening Sphere
50%inclusion2 decks4 decks
49%synergy
Sol Ring
50%inclusion2 decks4 decks
-35%synergy
Staff of Compleation
25%inclusion1 decks4 decks
23%synergy
Thought Vessel
25%inclusion1 decks4 decks
1%synergy
Lands
Swamp
100%inclusion4 decks4 decks
5%synergy
Malakir Rebirth
75%inclusion3 decks4 decks
51%synergy
Cavern of Souls
50%inclusion2 decks4 decks
43%synergy
Hagra Mauling
25%inclusion1 decks4 decks
21%synergy
Fell the Profane
25%inclusion1 decks4 decks
5%synergy
Path of Ancestry
25%inclusion1 decks4 decks
20%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