Karumonix, the Rat King (Commander) - Optimized +1/+1 Counters

Karumonix, the Rat King
Rank #385
2decks
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
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Ogre Slumlord
100%inclusion2 decks2 decks
90%synergy
Crypt Rats
100%inclusion2 decks2 decks
95%synergy
Marrow-Gnawer
100%inclusion2 decks2 decks
97%synergy
Pack Rat
100%inclusion2 decks2 decks
94%synergy
Swarm of Rats
100%inclusion2 decks2 decks
97%synergy
Voracious Vermin
100%inclusion2 decks2 decks
97%synergy
Twisted Sewer-Witch
100%inclusion2 decks2 decks
98%synergy
Piper of the Swarm
100%inclusion2 decks2 decks
93%synergy
Blightbelly Rat
100%inclusion2 decks2 decks
96%synergy
Gnat Miser
100%inclusion2 decks2 decks
97%synergy
Typhoid Rats
100%inclusion2 decks2 decks
96%synergy
Rancid Rats
100%inclusion2 decks2 decks
97%synergy
Ichor Rats
100%inclusion2 decks2 decks
97%synergy
Refurbished Familiar
50%inclusion1 decks2 decks
48%synergy
Chittering Rats
50%inclusion1 decks2 decks
49%synergy
Vampire Cutthroat
50%inclusion1 decks2 decks
47%synergy
Burglar Rat
50%inclusion1 decks2 decks
39%synergy
Ayara, First of Locthwain
50%inclusion1 decks2 decks
24%synergy
Tangled Colony
50%inclusion1 decks2 decks
47%synergy
Infected Vermin
50%inclusion1 decks2 decks
50%synergy
Lord Skitter's Butcher
50%inclusion1 decks2 decks
47%synergy
Species Specialist
50%inclusion1 decks2 decks
47%synergy
Sinuous Vermin
50%inclusion1 decks2 decks
49%synergy
Vito, Thorn of the Dusk Rose
50%inclusion1 decks2 decks
39%synergy
Locust Miser
50%inclusion1 decks2 decks
48%synergy
Persistent Marshstalker
50%inclusion1 decks2 decks
47%synergy
Engine Rat
50%inclusion1 decks2 decks
48%synergy
Chittering Skitterling
50%inclusion1 decks2 decks
49%synergy
Experimental Confectioner
50%inclusion1 decks2 decks
50%synergy
Drana, Liberator of Malakir
50%inclusion1 decks2 decks
47%synergy
Ashcoat of the Shadow Swarm
50%inclusion1 decks2 decks
47%synergy
Erebos, Bleak-Hearted
50%inclusion1 decks2 decks
48%synergy
Mephidross Vampire
50%inclusion1 decks2 decks
50%synergy
Ratcatcher
50%inclusion1 decks2 decks
47%synergy
Drainpipe Vermin
50%inclusion1 decks2 decks
49%synergy
Septic Rats
50%inclusion1 decks2 decks
48%synergy
Wave of Rats
50%inclusion1 decks2 decks
48%synergy
Braids, Arisen Nightmare
50%inclusion1 decks2 decks
31%synergy
Stronghold Rats
50%inclusion1 decks2 decks
46%synergy
Rat Colony
50%inclusion1 decks2 decks
44%synergy
Ruin Rat
50%inclusion1 decks2 decks
49%synergy
Old Flitterfang
50%inclusion1 decks2 decks
49%synergy
Bloodthirsty Conqueror
50%inclusion1 decks2 decks
41%synergy
Instants
Vraska's Fall
100%inclusion2 decks2 decks
97%synergy
Go for the Throat
50%inclusion1 decks2 decks
27%synergy
Village Rites
50%inclusion1 decks2 decks
25%synergy
Rat Out
50%inclusion1 decks2 decks
49%synergy
Consuming Corruption
50%inclusion1 decks2 decks
34%synergy
Undying Evil
50%inclusion1 decks2 decks
47%synergy
Dark Ritual
50%inclusion1 decks2 decks
-17%synergy
Doom Blade
50%inclusion1 decks2 decks
43%synergy
Cabal Ritual
50%inclusion1 decks2 decks
32%synergy
Hellish Rebuke
50%inclusion1 decks2 decks
49%synergy
Virulent Wound
50%inclusion1 decks2 decks
50%synergy
Undying Malice
50%inclusion1 decks2 decks
40%synergy
Murder
50%inclusion1 decks2 decks
40%synergy
Death Denied
50%inclusion1 decks2 decks
49%synergy
Tainted Strike
50%inclusion1 decks2 decks
47%synergy
Foul-Tongue Shriek
50%inclusion1 decks2 decks
48%synergy
You Are Already Dead
50%inclusion1 decks2 decks
49%synergy
Baleful Mastery
50%inclusion1 decks2 decks
41%synergy
Join the Dead
50%inclusion1 decks2 decks
49%synergy
Breathe Your Last
50%inclusion1 decks2 decks
48%synergy
Sorceries
Revenge of the Rats
100%inclusion2 decks2 decks
97%synergy
Drown in Ichor
100%inclusion2 decks2 decks
96%synergy
Vat Emergence
50%inclusion1 decks2 decks
49%synergy
Spread the Sickness
50%inclusion1 decks2 decks
49%synergy
Damnable Pact
50%inclusion1 decks2 decks
46%synergy
Entreat the Dead
50%inclusion1 decks2 decks
50%synergy
Feed the Swarm
50%inclusion1 decks2 decks
0%synergy
Infectious Inquiry
50%inclusion1 decks2 decks
47%synergy
Night's Whisper
50%inclusion1 decks2 decks
25%synergy
Buried Alive
50%inclusion1 decks2 decks
38%synergy
Reanimate
50%inclusion1 decks2 decks
10%synergy
Insatiable Avarice
50%inclusion1 decks2 decks
38%synergy
Damnation
50%inclusion1 decks2 decks
29%synergy
Crippling Fear
50%inclusion1 decks2 decks
47%synergy
Utility Artifacts
Coat of Arms
100%inclusion2 decks2 decks
97%synergy
Mirran Safehouse
50%inclusion1 decks2 decks
50%synergy
Contagion Clasp
50%inclusion1 decks2 decks
48%synergy
Contagion Engine
50%inclusion1 decks2 decks
48%synergy
Leyline Axe
50%inclusion1 decks2 decks
49%synergy
Whip of Erebos
50%inclusion1 decks2 decks
39%synergy
Sword of the Squeak
50%inclusion1 decks2 decks
49%synergy
Hall of Triumph
50%inclusion1 decks2 decks
50%synergy
Prosthetic Injector
50%inclusion1 decks2 decks
50%synergy
Blade of the Bloodchief
50%inclusion1 decks2 decks
48%synergy
Vanquisher's Banner
50%inclusion1 decks2 decks
46%synergy
Bontu's Monument
50%inclusion1 decks2 decks
22%synergy
Well of Knowledge
50%inclusion1 decks2 decks
50%synergy
Well of Lost Dreams
50%inclusion1 decks2 decks
48%synergy
Herald's Horn
50%inclusion1 decks2 decks
44%synergy
Obelisk of Urd
50%inclusion1 decks2 decks
49%synergy
Decimator Web
50%inclusion1 decks2 decks
50%synergy
Grafted Exoskeleton
50%inclusion1 decks2 decks
49%synergy
Enchantments
Grave Pact
100%inclusion2 decks2 decks
81%synergy
Cover of Darkness
100%inclusion2 decks2 decks
97%synergy
Black Market
50%inclusion1 decks2 decks
29%synergy
Contamination
50%inclusion1 decks2 decks
47%synergy
Vampiric Rites
50%inclusion1 decks2 decks
44%synergy
Necrosynthesis
50%inclusion1 decks2 decks
49%synergy
Haunted One
50%inclusion1 decks2 decks
47%synergy
Sanguine Bond
50%inclusion1 decks2 decks
38%synergy
Tribute to Horobi
50%inclusion1 decks2 decks
49%synergy
Phyresis
50%inclusion1 decks2 decks
48%synergy
Intimidation
50%inclusion1 decks2 decks
49%synergy
Unholy Annex // Ritual Chamber
50%inclusion1 decks2 decks
47%synergy
Phyrexian Arena
50%inclusion1 decks2 decks
10%synergy
Necrogen Communion
50%inclusion1 decks2 decks
48%synergy
Planeswalkers
Liliana of the Dark Realms
50%inclusion1 decks2 decks
36%synergy
Utility Lands
Bojuka Bog
100%inclusion2 decks2 decks
53%synergy
Mortuary Mire
100%inclusion2 decks2 decks
87%synergy
Shizo, Death's Storehouse
50%inclusion1 decks2 decks
40%synergy
Memorial to Folly
50%inclusion1 decks2 decks
47%synergy
Barren Moor
50%inclusion1 decks2 decks
40%synergy
Urza's Tower
50%inclusion1 decks2 decks
50%synergy
Urza's Mine
50%inclusion1 decks2 decks
50%synergy
The Black Gate
50%inclusion1 decks2 decks
47%synergy
Swarmyard
50%inclusion1 decks2 decks
44%synergy
Witch's Cottage
50%inclusion1 decks2 decks
25%synergy
War Room
50%inclusion1 decks2 decks
34%synergy
Karn's Bastion
50%inclusion1 decks2 decks
46%synergy
Urza's Power Plant
50%inclusion1 decks2 decks
50%synergy
Mana Artifacts
Glistening Sphere
50%inclusion1 decks2 decks
49%synergy
Sol Ring
50%inclusion1 decks2 decks
-36%synergy
Sceptre of Eternal Glory
50%inclusion1 decks2 decks
42%synergy
Lands
Swamp
100%inclusion2 decks2 decks
5%synergy
Cavern of Souls
100%inclusion2 decks2 decks
93%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