Karumonix, the Rat King (Commander) - Expensive Rats

Karumonix, the Rat King
Rank #381
101decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
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
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Emeritus of Woe
25%inclusion1 decks4 decks
18%synergy
High Synergy Cards
Marrow-Gnawer
99%inclusion100 decks101 decks
96%synergy
Blightbelly Rat
88%inclusion89 decks101 decks
85%synergy
Pack Rat
89%inclusion90 decks101 decks
83%synergy
Piper of the Swarm
89%inclusion90 decks101 decks
82%synergy
Ichor Rats
81%inclusion82 decks101 decks
78%synergy
Ashcoat of the Shadow Swarm
80%inclusion81 decks101 decks
77%synergy
Swarmyard
81%inclusion82 decks101 decks
76%synergy
Lord Skitter, Sewer King
83%inclusion84 decks101 decks
75%synergy
Rat King, Pale Piper
71%inclusion5 decks7 decks
67%synergy
Ogre Slumlord
73%inclusion74 decks101 decks
63%synergy
Top Cards
Dark Ritual
81%inclusion82 decks101 decks
15%synergy
Jet Medallion
79%inclusion80 decks101 decks
17%synergy
Septic Rats
63%inclusion64 decks101 decks
61%synergy
Rancid Rats
63%inclusion64 decks101 decks
61%synergy
Rat King, Verminister
63%inclusion5 decks8 decks
59%synergy
Bontu's Monument
62%inclusion63 decks101 decks
34%synergy
Vraska's Fall
61%inclusion62 decks101 decks
58%synergy
Infectious Inquiry
61%inclusion62 decks101 decks
59%synergy
Typhoid Rats
59%inclusion60 decks101 decks
56%synergy
Tangled Colony
56%inclusion57 decks101 decks
53%synergy
Game Changers
Demonic Tutor
78%inclusion79 decks101 decks
51%synergy
Vampiric Tutor
70%inclusion71 decks101 decks
49%synergy
Bolas's Citadel
29%inclusion29 decks101 decks
0%synergy
Imperial Seal
21%inclusion21 decks101 decks
14%synergy
Necropotence
19%inclusion19 decks101 decks
4%synergy
Ancient Tomb
18%inclusion18 decks101 decks
6%synergy
The One Ring
10%inclusion10 decks101 decks
1%synergy
Creatures
Rat Colony
56%inclusion57 decks101 decks
51%synergy
Crypt Rats
55%inclusion56 decks101 decks
51%synergy
Ratcatcher
54%inclusion55 decks101 decks
51%synergy
Nashi, Moon Sage's Scion
52%inclusion53 decks101 decks
49%synergy
Lord Skitter's Butcher
51%inclusion52 decks101 decks
48%synergy
Gnat Miser
51%inclusion52 decks101 decks
49%synergy
Ink-Eyes, Servant of Oni
50%inclusion51 decks101 decks
47%synergy
Burglar Rat
47%inclusion47 decks101 decks
36%synergy
Stronghold Rats
45%inclusion45 decks101 decks
41%synergy
Changeling Outcast
38%inclusion38 decks101 decks
33%synergy
Wave of Rats
38%inclusion38 decks101 decks
36%synergy
Persistent Marshstalker
37%inclusion32 decks86 decks
34%synergy
Swarm of Rats
37%inclusion37 decks101 decks
34%synergy
Roaming Throne
36%inclusion36 decks101 decks
33%synergy
Throat Slitter
34%inclusion34 decks101 decks
32%synergy
Ayara, First of Locthwain
33%inclusion33 decks101 decks
7%synergy
Voracious Vermin
33%inclusion33 decks101 decks
30%synergy
Species Specialist
30%inclusion30 decks101 decks
26%synergy
Locust Miser
29%inclusion29 decks101 decks
27%synergy
Crypt Ghast
29%inclusion29 decks101 decks
-19%synergy
Nezumi Informant
29%inclusion29 decks101 decks
22%synergy
Valley Rotcaller
26%inclusion22 decks86 decks
23%synergy
Chittering Skitterling
24%inclusion24 decks101 decks
23%synergy
Old Flitterfang
23%inclusion23 decks101 decks
22%synergy
Gray Merchant of Asphodel
22%inclusion22 decks101 decks
-29%synergy
Ruthless Radrat
20%inclusion20 decks101 decks
19%synergy
Filth
19%inclusion19 decks101 decks
16%synergy
Ruin Rat
19%inclusion19 decks101 decks
17%synergy
Chittering Witch
18%inclusion18 decks101 decks
13%synergy
Yawgmoth, Thran Physician
18%inclusion18 decks101 decks
8%synergy
Nezumi Prowler
17%inclusion17 decks101 decks
15%synergy
Pestilence Rats
16%inclusion16 decks101 decks
14%synergy
Okiba-Gang Shinobi
16%inclusion16 decks101 decks
15%synergy
Nezumi Graverobber
15%inclusion15 decks101 decks
13%synergy
Splinter, Hamato Yoshi
14%inclusion1 decks7 decks
14%synergy
Ravenous Rats
14%inclusion14 decks101 decks
12%synergy
Adaptive Automaton
14%inclusion14 decks101 decks
13%synergy
Nezumi Cutthroat
13%inclusion13 decks101 decks
12%synergy
Zodiac Rat
12%inclusion12 decks101 decks
12%synergy
Gnawing Vermin
11%inclusion11 decks101 decks
9%synergy
Relentless Rats
10%inclusion10 decks101 decks
8%synergy
Twisted Sewer-Witch
10%inclusion10 decks101 decks
8%synergy
Drainpipe Vermin
10%inclusion10 decks101 decks
9%synergy
Refurbished Familiar
10%inclusion9 decks94 decks
7%synergy
Skullsnatcher
8.9%inclusion9 decks101 decks
8%synergy
Razortooth Rats
8.9%inclusion9 decks101 decks
8%synergy
Skithiryx, the Blight Dragon
8.9%inclusion9 decks101 decks
7%synergy
Engine Rat
8.0%inclusion2 decks25 decks
6%synergy
Rotting Rats
7.9%inclusion8 decks101 decks
5%synergy
Splinter, the Mentor
7.7%inclusion1 decks13 decks
7%synergy
Instants
Deadly Rollick
53%inclusion54 decks101 decks
29%synergy
Whisper of the Dross
37%inclusion37 decks101 decks
34%synergy
Go for the Throat
34%inclusion34 decks101 decks
11%synergy
Village Rites
33%inclusion33 decks101 decks
7%synergy
Defile
28%inclusion28 decks101 decks
-9%synergy
Infernal Grasp
26%inclusion26 decks101 decks
1%synergy
Malakir Rebirth
23%inclusion23 decks101 decks
0%synergy
Deadly Dispute
22%inclusion22 decks101 decks
-4%synergy
Tainted Strike
22%inclusion22 decks101 decks
19%synergy
Fell the Profane
21%inclusion20 decks97 decks
2%synergy
Tragic Slip
19%inclusion19 decks101 decks
-1%synergy
Grim Affliction
18%inclusion18 decks101 decks
16%synergy
Cabal Ritual
17%inclusion17 decks101 decks
-1%synergy
Withering Torment
17%inclusion12 decks72 decks
-15%synergy
Sudden Spoiling
15%inclusion15 decks101 decks
6%synergy
Corrupted Conviction
14%inclusion14 decks101 decks
1%synergy
Rat Out
13%inclusion13 decks101 decks
11%synergy
Anoint with Affliction
13%inclusion13 decks101 decks
12%synergy
Doom Blade
13%inclusion13 decks101 decks
6%synergy
Imp's Mischief
10%inclusion10 decks101 decks
-15%synergy
Snuff Out
10%inclusion10 decks101 decks
-3%synergy
Culling the Weak
10%inclusion10 decks101 decks
-6%synergy
Bitter Triumph
10%inclusion10 decks101 decks
0%synergy
Murder
8.9%inclusion9 decks101 decks
-1%synergy
Foul-Tongue Shriek
8.9%inclusion9 decks101 decks
7%synergy
Dismember
8.9%inclusion9 decks101 decks
-1%synergy
Hero's Downfall
7.9%inclusion8 decks101 decks
1%synergy
Sheoldred's Edict
7.9%inclusion8 decks101 decks
-7%synergy
Entomb
7.9%inclusion8 decks101 decks
-4%synergy
Withering Boon
6.9%inclusion7 decks101 decks
2%synergy
Not Dead After All
5.9%inclusion6 decks101 decks
-5%synergy
Flare of Malice
5.2%inclusion5 decks97 decks
-8%synergy
Sorceries
Phyresis Outbreak
53%inclusion54 decks101 decks
52%synergy
Drown in Ichor
51%inclusion52 decks101 decks
48%synergy
Feed the Swarm
48%inclusion48 decks101 decks
-3%synergy
Kindred Dominance
37%inclusion37 decks101 decks
32%synergy
Damnation
36%inclusion36 decks101 decks
15%synergy
Swarmyard Massacre
35%inclusion29 decks83 decks
33%synergy
Patriarch's Bidding
35%inclusion35 decks101 decks
30%synergy
Reanimate
31%inclusion31 decks101 decks
-9%synergy
Toxic Deluge
31%inclusion31 decks101 decks
-6%synergy
Plague of Vermin
27%inclusion27 decks101 decks
24%synergy
Revenge of the Rats
22%inclusion11 decks50 decks
19%synergy
Sign in Blood
21%inclusion21 decks101 decks
-15%synergy
Bloodline Bidding
20%inclusion2 decks10 decks
15%synergy
Diabolic Intent
19%inclusion19 decks101 decks
4%synergy
Crippling Fear
18%inclusion18 decks101 decks
15%synergy
Unearth
17%inclusion17 decks101 decks
8%synergy
Grim Tutor
17%inclusion17 decks101 decks
5%synergy
Shredder's Technique
14%inclusion1 decks7 decks
11%synergy
Vat Emergence
14%inclusion14 decks101 decks
12%synergy
Victimize
12%inclusion12 decks101 decks
-15%synergy
Haunting Voyage
12%inclusion12 decks101 decks
11%synergy
Bubbling Muck
12%inclusion12 decks101 decks
-4%synergy
Geth's Summons
11%inclusion11 decks101 decks
10%synergy
Blasphemous Edict
10%inclusion5 decks50 decks
-7%synergy
Read the Bones
10%inclusion10 decks101 decks
-7%synergy
Exsanguinate
10%inclusion10 decks101 decks
-15%synergy
Insatiable Avarice
10%inclusion10 decks101 decks
-2%synergy
Pact of the Serpent
10%inclusion10 decks101 decks
8%synergy
Spread the Sickness
8.9%inclusion9 decks101 decks
8%synergy
Echoing Return
8.9%inclusion9 decks101 decks
6%synergy
Gruesome Fate
8.9%inclusion9 decks101 decks
7%synergy
Diabolic Tutor
7.9%inclusion8 decks101 decks
-6%synergy
Night's Whisper
7.9%inclusion8 decks101 decks
-17%synergy
Torment of Hailfire
6.9%inclusion7 decks101 decks
-8%synergy
Agadeem's Awakening
6.9%inclusion7 decks101 decks
0%synergy
Lab Rats
6.9%inclusion7 decks101 decks
6%synergy
Beseech the Mirror
6.9%inclusion7 decks101 decks
0%synergy
Mutilate
5.9%inclusion6 decks101 decks
-11%synergy
Strategic Betrayal
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Herald's Horn
56%inclusion57 decks101 decks
51%synergy
Skullclamp
52%inclusion53 decks101 decks
30%synergy
Vanquisher's Banner
34%inclusion34 decks101 decks
30%synergy
The Darkness Crystal
27%inclusion4 decks15 decks
7%synergy
Contagion Engine
25%inclusion25 decks101 decks
23%synergy
Lightning Greaves
24%inclusion24 decks101 decks
-10%synergy
Chronicle of Victory
20%inclusion2 decks10 decks
17%synergy
Coat of Arms
19%inclusion19 decks101 decks
16%synergy
Swiftfoot Boots
19%inclusion19 decks101 decks
-13%synergy
Ashnod's Altar
17%inclusion17 decks101 decks
-3%synergy
Contagion Clasp
16%inclusion16 decks101 decks
14%synergy
Whip of Erebos
16%inclusion16 decks101 decks
5%synergy
Sword of Truth and Justice
16%inclusion16 decks101 decks
15%synergy
Thrumming Stone
16%inclusion16 decks101 decks
12%synergy
Thornbite Staff
15%inclusion15 decks101 decks
12%synergy
Door of Destinies
13%inclusion13 decks101 decks
11%synergy
Akroma's Memorial
11%inclusion11 decks101 decks
10%synergy
Expedition Map
10%inclusion10 decks101 decks
-2%synergy
Grafted Exoskeleton
10%inclusion10 decks101 decks
9%synergy
Banner of Kinship
10%inclusion5 decks51 decks
8%synergy
Eldrazi Monument
8.9%inclusion9 decks101 decks
7%synergy
Phyrexian Altar
6.9%inclusion7 decks101 decks
-7%synergy
Urza's Incubator
5.9%inclusion6 decks101 decks
4%synergy
Enchantments
Cover of Darkness
52%inclusion53 decks101 decks
50%synergy
Black Market Connections
50%inclusion50 decks101 decks
26%synergy
Phyrexian Arena
49%inclusion49 decks101 decks
9%synergy
Grave Pact
42%inclusion42 decks101 decks
22%synergy
Haunted One
32%inclusion32 decks101 decks
29%synergy
Necrogen Communion
29%inclusion29 decks101 decks
27%synergy
The Meathook Massacre
24%inclusion24 decks101 decks
6%synergy
Black Market
23%inclusion23 decks101 decks
2%synergy
Oversold Cemetery
16%inclusion16 decks101 decks
11%synergy
Dictate of Erebos
15%inclusion15 decks101 decks
4%synergy
Phyresis
15%inclusion15 decks101 decks
13%synergy
Bad Moon
15%inclusion15 decks101 decks
12%synergy
Phyrexian Reclamation
8.9%inclusion9 decks101 decks
-1%synergy
Vampiric Rites
8.9%inclusion9 decks101 decks
3%synergy
Exquisite Blood
7.9%inclusion8 decks101 decks
-5%synergy
Animate Dead
7.9%inclusion8 decks101 decks
-9%synergy
Dark Prophecy
7.9%inclusion8 decks101 decks
4%synergy
Sothera, the Supervoid
7.1%inclusion1 decks14 decks
4%synergy
Sanguine Bond
6.9%inclusion7 decks101 decks
-5%synergy
Glistening Oil
5.9%inclusion6 decks101 decks
5%synergy
No Mercy
5.9%inclusion6 decks101 decks
-1%synergy
Lord Skitter's Blessing
5.9%inclusion6 decks101 decks
5%synergy
Meathook Massacre II
5.4%inclusion4 decks74 decks
-1%synergy
Planeswalkers
Vraska, Betrayal's Sting
44%inclusion44 decks101 decks
41%synergy
Liliana of the Dark Realms
17%inclusion17 decks101 decks
3%synergy
Utility Lands
Cabal Coffers
92%inclusion93 decks101 decks
37%synergy
Urborg, Tomb of Yawgmoth
76%inclusion77 decks101 decks
39%synergy
Nykthos, Shrine to Nyx
70%inclusion71 decks101 decks
41%synergy
Bojuka Bog
65%inclusion66 decks101 decks
18%synergy
Karn's Bastion
64%inclusion65 decks101 decks
60%synergy
Cabal Stronghold
58%inclusion59 decks101 decks
24%synergy
Phyrexian Tower
50%inclusion51 decks101 decks
25%synergy
Three Tree City
45%inclusion39 decks86 decks
41%synergy
Shizo, Death's Storehouse
38%inclusion38 decks101 decks
28%synergy
Mudflat Village
37%inclusion32 decks86 decks
34%synergy
Rogue's Passage
37%inclusion37 decks101 decks
18%synergy
Witch's Cottage
32%inclusion32 decks101 decks
7%synergy
Reliquary Tower
32%inclusion32 decks101 decks
1%synergy
Takenuma, Abandoned Mire
29%inclusion29 decks101 decks
13%synergy
War Room
26%inclusion26 decks101 decks
10%synergy
Secret Tunnel
25%inclusion3 decks12 decks
24%synergy
Castle Locthwain
25%inclusion25 decks101 decks
8%synergy
Crypt of Agadeem
23%inclusion23 decks101 decks
11%synergy
Mortuary Mire
21%inclusion21 decks101 decks
8%synergy
Inkmoth Nexus
17%inclusion17 decks101 decks
16%synergy
Minas Morgul, Dark Fortress
16%inclusion16 decks101 decks
13%synergy
Access Tunnel
15%inclusion15 decks101 decks
12%synergy
Midgar, City of Mako
13%inclusion2 decks15 decks
2%synergy
Urza's Saga
11%inclusion11 decks101 decks
3%synergy
Lake of the Dead
10%inclusion10 decks101 decks
5%synergy
The Black Gate
8.9%inclusion9 decks101 decks
5%synergy
Mutavault
7.9%inclusion8 decks101 decks
7%synergy
Susur Secundi, Void Altar
7.1%inclusion1 decks14 decks
0%synergy
Volrath's Stronghold
6.9%inclusion7 decks101 decks
3%synergy
Leechridden Swamp
6.9%inclusion7 decks101 decks
4%synergy
Westvale Abbey
5.9%inclusion6 decks101 decks
-1%synergy
Mana Artifacts
Sol Ring
89%inclusion90 decks101 decks
3%synergy
Arcane Signet
53%inclusion54 decks101 decks
-8%synergy
Glistening Sphere
51%inclusion52 decks101 decks
50%synergy
The Soul Stone
36%inclusion5 decks14 decks
21%synergy
Patchwork Banner
26%inclusion22 decks85 decks
22%synergy
Throne of Eldraine
21%inclusion21 decks101 decks
11%synergy
Staff of Compleation
20%inclusion20 decks101 decks
18%synergy
Charcoal Diamond
16%inclusion16 decks101 decks
-6%synergy
Caged Sun
13%inclusion13 decks101 decks
2%synergy
Jeweled Lotus
13%inclusion13 decks101 decks
12%synergy
Mana Crypt
11%inclusion11 decks101 decks
10%synergy
Firdoch Core
10%inclusion1 decks10 decks
10%synergy
Thought Vessel
8.9%inclusion9 decks101 decks
-17%synergy
White Lotus Tile
8.3%inclusion1 decks12 decks
8%synergy
Nyx Lotus
7.9%inclusion8 decks101 decks
2%synergy
Commander's Sphere
6.9%inclusion7 decks101 decks
-1%synergy
Mind Stone
6.9%inclusion7 decks101 decks
-22%synergy
Mox Amber
5.9%inclusion6 decks101 decks
2%synergy
Sceptre of Eternal Glory
5.9%inclusion6 decks101 decks
-2%synergy
Extraplanar Lens
5.9%inclusion6 decks101 decks
1%synergy
Lands
Swamp
90%inclusion91 decks101 decks
-5%synergy
Cavern of Souls
58%inclusion59 decks101 decks
52%synergy
Path of Ancestry
35%inclusion35 decks101 decks
30%synergy
Malakir Rebirth
23%inclusion23 decks101 decks
0%synergy
Fell the Profane
21%inclusion20 decks97 decks
2%synergy
Myriad Landscape
18%inclusion18 decks101 decks
-8%synergy
Command Tower
15%inclusion15 decks101 decks
9%synergy
Snow-Covered Swamp
15%inclusion15 decks101 decks
8%synergy
Big Apple, 3 a.m.
14%inclusion1 decks7 decks
12%synergy
Agadeem's Awakening
6.9%inclusion7 decks101 decks
0%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