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

Karumonix, the Rat King
Rank #408
16decks
As CommanderAs CardAverage DeckDecks
Bracket
All123
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.
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Moxfield
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Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Ichor Rats
94%inclusion15 decks16 decks
91%synergy
Blightbelly Rat
94%inclusion15 decks16 decks
90%synergy
Infectious Inquiry
88%inclusion14 decks16 decks
85%synergy
Whisper of the Dross
81%inclusion13 decks16 decks
79%synergy
Vraska's Fall
81%inclusion13 decks16 decks
78%synergy
Marrow-Gnawer
81%inclusion13 decks16 decks
78%synergy
Drown in Ichor
81%inclusion13 decks16 decks
78%synergy
Pack Rat
81%inclusion13 decks16 decks
75%synergy
Piper of the Swarm
81%inclusion13 decks16 decks
75%synergy
Crypt Rats
75%inclusion12 decks16 decks
71%synergy
Top Cards
Ogre Slumlord
75%inclusion12 decks16 decks
65%synergy
Defile
75%inclusion12 decks16 decks
40%synergy
Burglar Rat
69%inclusion11 decks16 decks
58%synergy
Grim Affliction
69%inclusion11 decks16 decks
67%synergy
Bontu's Monument
69%inclusion11 decks16 decks
41%synergy
Wave of Rats
63%inclusion10 decks16 decks
61%synergy
Rancid Rats
63%inclusion10 decks16 decks
60%synergy
Stronghold Rats
63%inclusion10 decks16 decks
59%synergy
Dark Ritual
63%inclusion10 decks16 decks
-5%synergy
Go for the Throat
56%inclusion9 decks16 decks
34%synergy
Game Changers
Bolas's Citadel
19%inclusion3 decks16 decks
-9%synergy
Demonic Tutor
13%inclusion2 decks16 decks
-15%synergy
Vampiric Tutor
6.3%inclusion1 decks16 decks
-15%synergy
Creatures
Septic Rats
56%inclusion9 decks16 decks
55%synergy
Ravenous Rats
56%inclusion9 decks16 decks
55%synergy
Ratcatcher
56%inclusion9 decks16 decks
53%synergy
Typhoid Rats
56%inclusion9 decks16 decks
53%synergy
Mukotai Ambusher
50%inclusion8 decks16 decks
49%synergy
Ink-Eyes, Servant of Oni
50%inclusion8 decks16 decks
47%synergy
Voracious Vermin
50%inclusion8 decks16 decks
47%synergy
Lord Skitter, Sewer King
50%inclusion8 decks16 decks
42%synergy
Nashi, Moon Sage's Scion
44%inclusion7 decks16 decks
40%synergy
Ruin Rat
44%inclusion7 decks16 decks
43%synergy
Throat Slitter
44%inclusion7 decks16 decks
42%synergy
Gnat Miser
44%inclusion7 decks16 decks
41%synergy
Chittering Witch
44%inclusion7 decks16 decks
40%synergy
Ashcoat of the Shadow Swarm
38%inclusion6 decks16 decks
34%synergy
Valley Rotcaller
38%inclusion6 decks16 decks
35%synergy
Nezumi Prowler
38%inclusion6 decks16 decks
36%synergy
Engine Rat
36%inclusion5 decks14 decks
34%synergy
Rat King, Verminister
33%inclusion2 decks6 decks
30%synergy
Rat King, Pale Piper
33%inclusion2 decks6 decks
30%synergy
Okiba-Gang Shinobi
31%inclusion5 decks16 decks
30%synergy
Rat Colony
31%inclusion5 decks16 decks
26%synergy
Pestilence Rats
31%inclusion5 decks16 decks
29%synergy
Twisted Sewer-Witch
31%inclusion5 decks16 decks
30%synergy
Skullsnatcher
31%inclusion5 decks16 decks
31%synergy
Chittering Skitterling
31%inclusion5 decks16 decks
30%synergy
Nezumi Informant
31%inclusion5 decks16 decks
25%synergy
Lord Skitter's Butcher
31%inclusion5 decks16 decks
28%synergy
Scrib Nibblers
31%inclusion5 decks16 decks
31%synergy
Gnawing Vermin
31%inclusion5 decks16 decks
30%synergy
Old Flitterfang
31%inclusion5 decks16 decks
30%synergy
Nezumi Graverobber
31%inclusion5 decks16 decks
30%synergy
Tangled Colony
25%inclusion4 decks16 decks
22%synergy
Ayara, First of Locthwain
25%inclusion4 decks16 decks
-0%synergy
Swarm of Rats
25%inclusion4 decks16 decks
23%synergy
Locust Miser
25%inclusion4 decks16 decks
24%synergy
Sinuous Vermin
25%inclusion4 decks16 decks
25%synergy
Bloodline Pretender
25%inclusion4 decks16 decks
24%synergy
Elephant-Rat
25%inclusion2 decks8 decks
25%synergy
Nezumi Bladeblesser
25%inclusion4 decks16 decks
24%synergy
Undercity Dire Rat
20%inclusion2 decks10 decks
18%synergy
Chittering Rats
19%inclusion3 decks16 decks
18%synergy
Nezumi Cutthroat
19%inclusion3 decks16 decks
18%synergy
Persistent Marshstalker
19%inclusion3 decks16 decks
16%synergy
Adaptive Automaton
19%inclusion3 decks16 decks
18%synergy
Rotting Rats
19%inclusion3 decks16 decks
16%synergy
Crypt Ghast
19%inclusion3 decks16 decks
-28%synergy
Innocuous Rat
19%inclusion3 decks16 decks
18%synergy
Tunnel Rats
17%inclusion1 decks6 decks
16%synergy
Graveshifter
13%inclusion2 decks16 decks
11%synergy
Patron of the Nezumi
13%inclusion2 decks16 decks
12%synergy
Instants
Village Rites
31%inclusion5 decks16 decks
6%synergy
Foul-Tongue Shriek
31%inclusion5 decks16 decks
30%synergy
Anoint with Affliction
25%inclusion4 decks16 decks
24%synergy
Deadly Dispute
25%inclusion4 decks16 decks
-2%synergy
Tainted Strike
25%inclusion4 decks16 decks
22%synergy
Corrupted Conviction
25%inclusion4 decks16 decks
13%synergy
Rat Out
19%inclusion3 decks16 decks
17%synergy
Cabal Ritual
19%inclusion3 decks16 decks
-0%synergy
Virulent Wound
19%inclusion3 decks16 decks
18%synergy
Murder
19%inclusion3 decks16 decks
9%synergy
Tragic Slip
19%inclusion3 decks16 decks
-0%synergy
Dismember
19%inclusion3 decks16 decks
8%synergy
Hero's Downfall
13%inclusion2 decks16 decks
6%synergy
Deadly Rollick
13%inclusion2 decks16 decks
-13%synergy
Fell the Profane
13%inclusion2 decks16 decks
-7%synergy
Doom Blade
13%inclusion2 decks16 decks
6%synergy
Altar's Reap
13%inclusion2 decks16 decks
10%synergy
Infernal Grasp
13%inclusion2 decks16 decks
-13%synergy
Death Denied
13%inclusion2 decks16 decks
12%synergy
Debt to the Kami
13%inclusion2 decks16 decks
12%synergy
Gravepurge
13%inclusion2 decks16 decks
11%synergy
Sephiroth's Intervention
10%inclusion1 decks10 decks
8%synergy
Alesha's Legacy
9.1%inclusion1 decks11 decks
8%synergy
Maximum Overdrive
7.1%inclusion1 decks14 decks
6%synergy
Astarion's Thirst
6.3%inclusion1 decks16 decks
5%synergy
Force of Despair
6.3%inclusion1 decks16 decks
-1%synergy
Tragic Fall
6.3%inclusion1 decks16 decks
6%synergy
Consuming Corruption
6.3%inclusion1 decks16 decks
-9%synergy
Undying Evil
6.3%inclusion1 decks16 decks
3%synergy
Howl from Beyond
6.3%inclusion1 decks16 decks
6%synergy
Battle-Rage Blessing
6.3%inclusion1 decks16 decks
5%synergy
Supernatural Stamina
6.3%inclusion1 decks16 decks
-1%synergy
Bleed Dry
6.3%inclusion1 decks16 decks
6%synergy
Bitter Triumph
6.3%inclusion1 decks16 decks
-4%synergy
Disfigure
6.3%inclusion1 decks16 decks
6%synergy
Tendrils of Corruption
6.3%inclusion1 decks16 decks
3%synergy
Raise the Draugr
6.3%inclusion1 decks16 decks
5%synergy
Body Count
6.3%inclusion1 decks16 decks
5%synergy
Darkness
6.3%inclusion1 decks16 decks
-4%synergy
Blot Out
6.3%inclusion1 decks16 decks
6%synergy
Baleful Mastery
6.3%inclusion1 decks16 decks
-2%synergy
Plumb the Forbidden
6.3%inclusion1 decks16 decks
2%synergy
Terror
6.3%inclusion1 decks16 decks
5%synergy
Offer Immortality
6.3%inclusion1 decks16 decks
4%synergy
Liliana's Triumph
6.3%inclusion1 decks16 decks
1%synergy
Feed the Cycle
6.3%inclusion1 decks16 decks
6%synergy
Defenestrate
6.3%inclusion1 decks16 decks
6%synergy
Coat with Venom
6.3%inclusion1 decks16 decks
6%synergy
Crypt Incursion
6.3%inclusion1 decks16 decks
4%synergy
Sudden Spoiling
6.3%inclusion1 decks16 decks
-2%synergy
Sorceries
Vat Emergence
50%inclusion8 decks16 decks
49%synergy
Feed the Infection
44%inclusion7 decks16 decks
43%synergy
Phyresis Outbreak
44%inclusion7 decks16 decks
42%synergy
Read the Bones
38%inclusion6 decks16 decks
22%synergy
Crippling Fear
31%inclusion5 decks16 decks
28%synergy
Feed the Swarm
25%inclusion4 decks16 decks
-25%synergy
Mutilate
25%inclusion4 decks16 decks
10%synergy
Kindred Dominance
25%inclusion4 decks16 decks
20%synergy
Revenge of the Rats
20%inclusion3 decks15 decks
17%synergy
Spread the Sickness
19%inclusion3 decks16 decks
18%synergy
Patriarch's Bidding
19%inclusion3 decks16 decks
15%synergy
Bubbling Muck
19%inclusion3 decks16 decks
3%synergy
Unearth
19%inclusion3 decks16 decks
10%synergy
Swarmyard Massacre
19%inclusion3 decks16 decks
16%synergy
Caress of Phyrexia
19%inclusion3 decks16 decks
18%synergy
Geth's Summons
19%inclusion3 decks16 decks
18%synergy
Gruesome Fate
19%inclusion3 decks16 decks
17%synergy
Splinter's Technique
17%inclusion1 decks6 decks
15%synergy
Diabolic Tutor
13%inclusion2 decks16 decks
-1%synergy
Night's Whisper
13%inclusion2 decks16 decks
-13%synergy
Exsanguinate
13%inclusion2 decks16 decks
-12%synergy
Fell
13%inclusion2 decks16 decks
9%synergy
Reanimate
13%inclusion2 decks16 decks
-28%synergy
In Garruk's Wake
13%inclusion2 decks16 decks
9%synergy
Syphon Mind
13%inclusion2 decks16 decks
1%synergy
Toxic Deluge
13%inclusion2 decks16 decks
-24%synergy
Lab Rats
13%inclusion2 decks16 decks
12%synergy
Sign in Blood
13%inclusion2 decks16 decks
-22%synergy
Plague of Vermin
13%inclusion2 decks16 decks
10%synergy
Behold the Sinister Six!
13%inclusion1 decks8 decks
12%synergy
Plague Wind
6.3%inclusion1 decks16 decks
6%synergy
Victimize
6.3%inclusion1 decks16 decks
-21%synergy
Damnable Pact
6.3%inclusion1 decks16 decks
2%synergy
Entreat the Dead
6.3%inclusion1 decks16 decks
6%synergy
Forever Young
6.3%inclusion1 decks16 decks
5%synergy
Haunting Voyage
6.3%inclusion1 decks16 decks
5%synergy
Return from Extinction
6.3%inclusion1 decks16 decks
6%synergy
Pain's Reward
6.3%inclusion1 decks16 decks
6%synergy
Agadeem's Awakening
6.3%inclusion1 decks16 decks
-1%synergy
Lash of the Balrog
6.3%inclusion1 decks16 decks
5%synergy
Mastermind's Acquisition
6.3%inclusion1 decks16 decks
5%synergy
Bone Shards
6.3%inclusion1 decks16 decks
3%synergy
Profane Command
6.3%inclusion1 decks16 decks
4%synergy
Blood Money
6.3%inclusion1 decks16 decks
3%synergy
Ambition's Cost
6.3%inclusion1 decks16 decks
4%synergy
Ever After
6.3%inclusion1 decks16 decks
6%synergy
Decree of Pain
6.3%inclusion1 decks16 decks
1%synergy
Deadly Tempest
6.3%inclusion1 decks16 decks
4%synergy
Hideous Visage
6.3%inclusion1 decks16 decks
6%synergy
The Black Breath
6.3%inclusion1 decks16 decks
6%synergy
Utility Artifacts
Contagion Clasp
50%inclusion8 decks16 decks
48%synergy
Jet Medallion
44%inclusion7 decks16 decks
-18%synergy
Swiftfoot Boots
38%inclusion6 decks16 decks
6%synergy
Vanquisher's Banner
31%inclusion5 decks16 decks
27%synergy
Herald's Horn
31%inclusion5 decks16 decks
26%synergy
Prosthetic Injector
25%inclusion4 decks16 decks
25%synergy
The Darkness Crystal
20%inclusion2 decks10 decks
-0%synergy
Icon of Ancestry
19%inclusion3 decks16 decks
18%synergy
Contagion Engine
19%inclusion3 decks16 decks
17%synergy
Grafted Exoskeleton
19%inclusion3 decks16 decks
18%synergy
Chronicle of Victory
14%inclusion1 decks7 decks
12%synergy
Lashwrithe
13%inclusion2 decks16 decks
9%synergy
Skullclamp
13%inclusion2 decks16 decks
-10%synergy
Hall of Triumph
13%inclusion2 decks16 decks
12%synergy
Door of Destinies
13%inclusion2 decks16 decks
10%synergy
Banner of Kinship
6.7%inclusion1 decks15 decks
5%synergy
Chimil, the Inner Sun
6.3%inclusion1 decks16 decks
6%synergy
Slagwurm Armor
6.3%inclusion1 decks16 decks
6%synergy
Wayfarer's Bauble
6.3%inclusion1 decks16 decks
-8%synergy
Skeleton Key
6.3%inclusion1 decks16 decks
6%synergy
Nightmare Lash
6.3%inclusion1 decks16 decks
4%synergy
The Immortal Sun
6.3%inclusion1 decks16 decks
6%synergy
Whip of Erebos
6.3%inclusion1 decks16 decks
-5%synergy
Coat of Arms
6.3%inclusion1 decks16 decks
4%synergy
Sword of Truth and Justice
6.3%inclusion1 decks16 decks
6%synergy
Wishclaw Talisman
6.3%inclusion1 decks16 decks
-1%synergy
Boompile
6.3%inclusion1 decks16 decks
6%synergy
Akroma's Memorial
6.3%inclusion1 decks16 decks
5%synergy
Whispersilk Cloak
6.3%inclusion1 decks16 decks
0%synergy
Horn of the Mark
6.3%inclusion1 decks16 decks
6%synergy
Mycosynth Wellspring
6.3%inclusion1 decks16 decks
5%synergy
Explorer's Scope
6.3%inclusion1 decks16 decks
5%synergy
Thrumming Stone
6.3%inclusion1 decks16 decks
2%synergy
Champion's Helm
6.3%inclusion1 decks16 decks
4%synergy
Commander's Plate
6.3%inclusion1 decks16 decks
0%synergy
Conjurer's Closet
6.3%inclusion1 decks16 decks
4%synergy
Blackblade Reforged
6.3%inclusion1 decks16 decks
3%synergy
Accorder's Shield
6.3%inclusion1 decks16 decks
6%synergy
Obelisk of Urd
6.3%inclusion1 decks16 decks
6%synergy
Throne of the God-Pharaoh
6.3%inclusion1 decks16 decks
6%synergy
Demon's Horn
6.3%inclusion1 decks16 decks
2%synergy
Helm of Awakening
6.3%inclusion1 decks16 decks
5%synergy
Enchantments
Necrogen Communion
56%inclusion9 decks16 decks
55%synergy
Tribute to Horobi
31%inclusion5 decks16 decks
30%synergy
Phyresis
31%inclusion5 decks16 decks
29%synergy
Bad Moon
31%inclusion5 decks16 decks
28%synergy
Phyrexian Arena
25%inclusion4 decks16 decks
-14%synergy
Haunted One
19%inclusion3 decks16 decks
16%synergy
Cover of Darkness
19%inclusion3 decks16 decks
16%synergy
Black Market
13%inclusion2 decks16 decks
-8%synergy
Grasping Shadows
13%inclusion2 decks16 decks
12%synergy
Vampiric Rites
13%inclusion2 decks16 decks
7%synergy
Grave Pact
13%inclusion2 decks16 decks
-7%synergy
The Meathook Massacre
6.3%inclusion1 decks16 decks
-11%synergy
Polluted Bonds
6.3%inclusion1 decks16 decks
4%synergy
Cramped Vents // Access Maze
6.3%inclusion1 decks16 decks
6%synergy
Caustic Tar
6.3%inclusion1 decks16 decks
6%synergy
Cruel Reality
6.3%inclusion1 decks16 decks
6%synergy
Agent of the Iron Throne
6.3%inclusion1 decks16 decks
3%synergy
Festering Wound
6.3%inclusion1 decks16 decks
6%synergy
Contaminated Bond
6.3%inclusion1 decks16 decks
6%synergy
Glistening Oil
6.3%inclusion1 decks16 decks
6%synergy
Phyrexian Reclamation
6.3%inclusion1 decks16 decks
-3%synergy
Necrosynthesis
6.3%inclusion1 decks16 decks
5%synergy
Curse of Death's Hold
6.3%inclusion1 decks16 decks
5%synergy
Relic Putrescence
6.3%inclusion1 decks16 decks
6%synergy
Curse of Fool's Wisdom
6.3%inclusion1 decks16 decks
6%synergy
Underworld Dreams
6.3%inclusion1 decks16 decks
0%synergy
Call of the Ring
6.3%inclusion1 decks16 decks
4%synergy
Kaya's Ghostform
6.3%inclusion1 decks16 decks
-4%synergy
Oubliette
6.3%inclusion1 decks16 decks
3%synergy
Bastion of Remembrance
6.3%inclusion1 decks16 decks
-11%synergy
Leshrac's Rite
6.3%inclusion1 decks16 decks
6%synergy
Fungal Fortitude
6.3%inclusion1 decks16 decks
5%synergy
Black Market Connections
6.3%inclusion1 decks16 decks
-19%synergy
Cunning Rhetoric
6.3%inclusion1 decks16 decks
4%synergy
Oppression
6.3%inclusion1 decks16 decks
-1%synergy
Planeswalkers
Vraska, Betrayal's Sting
38%inclusion6 decks16 decks
35%synergy
Liliana of the Dark Realms
31%inclusion5 decks16 decks
18%synergy
Utility Lands
Swarmyard
56%inclusion9 decks16 decks
51%synergy
Karn's Bastion
50%inclusion8 decks16 decks
46%synergy
Bojuka Bog
44%inclusion7 decks16 decks
-3%synergy
Reliquary Tower
38%inclusion6 decks16 decks
8%synergy
Rogue's Passage
38%inclusion6 decks16 decks
18%synergy
Cabal Stronghold
31%inclusion5 decks16 decks
-3%synergy
Cabal Coffers
31%inclusion5 decks16 decks
-24%synergy
Mudflat Village
31%inclusion5 decks16 decks
29%synergy
Witch's Cottage
25%inclusion4 decks16 decks
1%synergy
Mortuary Mire
19%inclusion3 decks16 decks
6%synergy
Access Tunnel
19%inclusion3 decks16 decks
16%synergy
Vault of Whispers
13%inclusion2 decks16 decks
7%synergy
Crypt of Agadeem
13%inclusion2 decks16 decks
1%synergy
Inkmoth Nexus
13%inclusion2 decks16 decks
12%synergy
Nykthos, Shrine to Nyx
13%inclusion2 decks16 decks
-17%synergy
Temple of the False God
13%inclusion2 decks16 decks
5%synergy
Three Tree City
13%inclusion2 decks16 decks
8%synergy
Urborg, Tomb of Yawgmoth
13%inclusion2 decks16 decks
-25%synergy
Shizo, Death's Storehouse
6.3%inclusion1 decks16 decks
-4%synergy
Phyrexian Tower
6.3%inclusion1 decks16 decks
-20%synergy
Ghost Quarter
6.3%inclusion1 decks16 decks
4%synergy
Barren Moor
6.3%inclusion1 decks16 decks
-3%synergy
Radiant Fountain
6.3%inclusion1 decks16 decks
5%synergy
War Room
6.3%inclusion1 decks16 decks
-10%synergy
Haunted Fengraf
6.3%inclusion1 decks16 decks
6%synergy
Command Beacon
6.3%inclusion1 decks16 decks
-2%synergy
Minas Morgul, Dark Fortress
6.3%inclusion1 decks16 decks
3%synergy
Castle Locthwain
6.3%inclusion1 decks16 decks
-10%synergy
Sanctum of Eternity
6.3%inclusion1 decks16 decks
5%synergy
Strip Mine
6.3%inclusion1 decks16 decks
3%synergy
Everglades
6.3%inclusion1 decks16 decks
5%synergy
Mana Artifacts
Sol Ring
88%inclusion14 decks16 decks
2%synergy
Arcane Signet
63%inclusion10 decks16 decks
1%synergy
Glistening Sphere
44%inclusion7 decks16 decks
43%synergy
Phyrexian Atlas
31%inclusion5 decks16 decks
31%synergy
Caged Sun
25%inclusion4 decks16 decks
15%synergy
Commander's Sphere
25%inclusion4 decks16 decks
17%synergy
Mind Stone
25%inclusion4 decks16 decks
-3%synergy
The Soul Stone
25%inclusion2 decks8 decks
9%synergy
Charcoal Diamond
19%inclusion3 decks16 decks
-3%synergy
Heraldic Banner
19%inclusion3 decks16 decks
14%synergy
Patchwork Banner
19%inclusion3 decks16 decks
14%synergy
Staff of Compleation
13%inclusion2 decks16 decks
11%synergy
Pristine Talisman
13%inclusion2 decks16 decks
11%synergy
Thought Vessel
13%inclusion2 decks16 decks
-12%synergy
Thran Dynamo
6.3%inclusion1 decks16 decks
1%synergy
Lands
Swamp
100%inclusion16 decks16 decks
5%synergy
Path of Ancestry
38%inclusion6 decks16 decks
33%synergy
Command Tower
31%inclusion5 decks16 decks
25%synergy
Myriad Landscape
25%inclusion4 decks16 decks
1%synergy
Big Apple, 3 a.m.
17%inclusion1 decks6 decks
15%synergy
Fell the Profane
13%inclusion2 decks16 decks
-7%synergy
Ash Barrens
13%inclusion2 decks16 decks
11%synergy
Escape Tunnel
6.3%inclusion1 decks16 decks
5%synergy
Terramorphic Expanse
6.3%inclusion1 decks16 decks
3%synergy
Exotic Orchard
6.3%inclusion1 decks16 decks
5%synergy
Agadeem's Awakening
6.3%inclusion1 decks16 decks
-1%synergy
Evolving Wilds
6.3%inclusion1 decks16 decks
2%synergy
Opal Palace
6.3%inclusion1 decks16 decks
6%synergy
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