Karumonix, the Rat King (Commander) - Expensive Rats

Karumonix, the Rat King
Rank #385
109decks
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
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Rat King, Verminister
71%inclusion5 decks7 decks
68%synergy
Rat King, Pale Piper
67%inclusion4 decks6 decks
62%synergy
Shredder's Technique
33%inclusion2 decks6 decks
30%synergy
High Synergy Cards
Marrow-Gnawer
98%inclusion107 decks109 decks
95%synergy
Pack Rat
90%inclusion98 decks109 decks
84%synergy
Piper of the Swarm
90%inclusion98 decks109 decks
83%synergy
Blightbelly Rat
86%inclusion94 decks109 decks
83%synergy
Ichor Rats
82%inclusion89 decks109 decks
79%synergy
Lord Skitter, Sewer King
84%inclusion92 decks109 decks
76%synergy
Ashcoat of the Shadow Swarm
79%inclusion86 decks109 decks
76%synergy
Swarmyard
81%inclusion88 decks109 decks
75%synergy
Ogre Slumlord
75%inclusion82 decks109 decks
65%synergy
Septic Rats
65%inclusion71 decks109 decks
63%synergy
Top Cards
Dark Ritual
81%inclusion88 decks109 decks
14%synergy
Jet Medallion
78%inclusion85 decks109 decks
16%synergy
Bontu's Monument
66%inclusion72 decks109 decks
38%synergy
Infectious Inquiry
63%inclusion69 decks109 decks
61%synergy
Vraska's Fall
61%inclusion67 decks109 decks
58%synergy
Herald's Horn
61%inclusion67 decks109 decks
56%synergy
Rancid Rats
60%inclusion65 decks109 decks
57%synergy
Rat Colony
59%inclusion64 decks109 decks
53%synergy
Typhoid Rats
58%inclusion63 decks109 decks
54%synergy
Tangled Colony
56%inclusion61 decks109 decks
53%synergy
Game Changers
Demonic Tutor
79%inclusion86 decks109 decks
52%synergy
Vampiric Tutor
72%inclusion78 decks109 decks
51%synergy
Bolas's Citadel
28%inclusion30 decks109 decks
-1%synergy
Imperial Seal
20%inclusion22 decks109 decks
13%synergy
Necropotence
17%inclusion19 decks109 decks
3%synergy
Ancient Tomb
17%inclusion18 decks109 decks
5%synergy
The One Ring
10%inclusion11 decks109 decks
1%synergy
Chrome Mox
6.4%inclusion7 decks109 decks
0%synergy
Mox Diamond
5.5%inclusion6 decks109 decks
2%synergy
Creatures
Crypt Rats
54%inclusion59 decks109 decks
49%synergy
Ratcatcher
53%inclusion58 decks109 decks
50%synergy
Lord Skitter's Butcher
51%inclusion56 decks109 decks
48%synergy
Gnat Miser
51%inclusion56 decks109 decks
48%synergy
Nashi, Moon Sage's Scion
50%inclusion55 decks109 decks
47%synergy
Ink-Eyes, Servant of Oni
50%inclusion54 decks109 decks
46%synergy
Burglar Rat
46%inclusion50 decks109 decks
35%synergy
Stronghold Rats
43%inclusion47 decks109 decks
39%synergy
Wave of Rats
39%inclusion42 decks109 decks
37%synergy
Roaming Throne
37%inclusion40 decks109 decks
34%synergy
Swarm of Rats
37%inclusion40 decks109 decks
34%synergy
Persistent Marshstalker
35%inclusion30 decks85 decks
32%synergy
Throat Slitter
34%inclusion37 decks109 decks
32%synergy
Changeling Outcast
34%inclusion37 decks109 decks
29%synergy
Voracious Vermin
32%inclusion35 decks109 decks
29%synergy
Ayara, First of Locthwain
31%inclusion34 decks109 decks
6%synergy
Locust Miser
29%inclusion32 decks109 decks
28%synergy
Nezumi Informant
29%inclusion32 decks109 decks
23%synergy
Crypt Ghast
28%inclusion31 decks109 decks
-19%synergy
Species Specialist
28%inclusion30 decks109 decks
24%synergy
Valley Rotcaller
26%inclusion22 decks85 decks
23%synergy
Chittering Skitterling
21%inclusion23 decks109 decks
20%synergy
Old Flitterfang
21%inclusion23 decks109 decks
20%synergy
Filth
19%inclusion21 decks109 decks
17%synergy
Chittering Witch
19%inclusion21 decks109 decks
15%synergy
Yawgmoth, Thran Physician
19%inclusion21 decks109 decks
9%synergy
Ruthless Radrat
18%inclusion20 decks109 decks
18%synergy
Gray Merchant of Asphodel
18%inclusion20 decks109 decks
-33%synergy
Nezumi Prowler
17%inclusion18 decks109 decks
15%synergy
Ruin Rat
17%inclusion18 decks109 decks
15%synergy
Pestilence Rats
16%inclusion17 decks109 decks
14%synergy
Okiba-Gang Shinobi
15%inclusion16 decks109 decks
14%synergy
Nezumi Graverobber
14%inclusion15 decks109 decks
12%synergy
Ravenous Rats
14%inclusion15 decks109 decks
12%synergy
Adaptive Automaton
13%inclusion14 decks109 decks
12%synergy
Zodiac Rat
13%inclusion14 decks109 decks
13%synergy
Twisted Sewer-Witch
13%inclusion14 decks109 decks
11%synergy
Nezumi Cutthroat
13%inclusion14 decks109 decks
12%synergy
Gnawing Vermin
12%inclusion13 decks109 decks
10%synergy
Relentless Rats
10%inclusion11 decks109 decks
8%synergy
Razortooth Rats
10%inclusion11 decks109 decks
9%synergy
Refurbished Familiar
10%inclusion9 decks92 decks
8%synergy
Rotting Rats
9.2%inclusion10 decks109 decks
6%synergy
Innocuous Rat
8.5%inclusion6 decks71 decks
7%synergy
Patron of the Nezumi
8.3%inclusion9 decks109 decks
8%synergy
Skullsnatcher
8.3%inclusion9 decks109 decks
8%synergy
Drainpipe Vermin
8.3%inclusion9 decks109 decks
7%synergy
Skithiryx, the Blight Dragon
8.3%inclusion9 decks109 decks
7%synergy
Engine Rat
8.0%inclusion2 decks25 decks
6%synergy
Undercity Dire Rat
6.7%inclusion1 decks15 decks
5%synergy
Instants
Deadly Rollick
55%inclusion60 decks109 decks
31%synergy
Whisper of the Dross
37%inclusion40 decks109 decks
34%synergy
Go for the Throat
31%inclusion34 decks109 decks
8%synergy
Village Rites
31%inclusion34 decks109 decks
6%synergy
Defile
28%inclusion30 decks109 decks
-9%synergy
Infernal Grasp
26%inclusion28 decks109 decks
0%synergy
Tainted Strike
25%inclusion27 decks109 decks
22%synergy
Malakir Rebirth
21%inclusion23 decks109 decks
-2%synergy
Fell the Profane
19%inclusion18 decks95 decks
0%synergy
Deadly Dispute
18%inclusion20 decks109 decks
-7%synergy
Grim Affliction
17%inclusion18 decks109 decks
15%synergy
Cabal Ritual
17%inclusion18 decks109 decks
-2%synergy
Tragic Slip
17%inclusion18 decks109 decks
-3%synergy
Rat Out
15%inclusion16 decks109 decks
13%synergy
Withering Torment
14%inclusion10 decks71 decks
-17%synergy
Corrupted Conviction
14%inclusion15 decks109 decks
1%synergy
Sudden Spoiling
13%inclusion14 decks109 decks
4%synergy
Anoint with Affliction
11%inclusion12 decks109 decks
10%synergy
Doom Blade
11%inclusion12 decks109 decks
4%synergy
Culling the Weak
11%inclusion12 decks109 decks
-5%synergy
Bitter Triumph
10%inclusion11 decks109 decks
0%synergy
Murder
10%inclusion11 decks109 decks
0%synergy
Dismember
10%inclusion11 decks109 decks
0%synergy
Sheoldred's Edict
9.2%inclusion10 decks109 decks
-5%synergy
Imp's Mischief
9.2%inclusion10 decks109 decks
-15%synergy
Foul-Tongue Shriek
9.2%inclusion10 decks109 decks
7%synergy
Snuff Out
8.3%inclusion9 decks109 decks
-5%synergy
Hero's Downfall
7.3%inclusion8 decks109 decks
1%synergy
Entomb
7.3%inclusion8 decks109 decks
-5%synergy
Baleful Mastery
7.3%inclusion8 decks109 decks
-1%synergy
Flare of Malice
6.3%inclusion6 decks95 decks
-7%synergy
Not Dead After All
5.5%inclusion6 decks109 decks
-6%synergy
Withering Boon
5.5%inclusion6 decks109 decks
1%synergy
Raise the Draugr
5.5%inclusion6 decks109 decks
5%synergy
Gravepurge
5.5%inclusion6 decks109 decks
4%synergy
Feign Death
5.5%inclusion6 decks109 decks
-3%synergy
Sorceries
Phyresis Outbreak
55%inclusion60 decks109 decks
53%synergy
Drown in Ichor
52%inclusion57 decks109 decks
48%synergy
Feed the Swarm
45%inclusion49 decks109 decks
-6%synergy
Patriarch's Bidding
38%inclusion41 decks109 decks
33%synergy
Kindred Dominance
38%inclusion41 decks109 decks
33%synergy
Damnation
36%inclusion39 decks109 decks
15%synergy
Swarmyard Massacre
34%inclusion28 decks82 decks
32%synergy
Bloodline Bidding
33%inclusion3 decks9 decks
29%synergy
Toxic Deluge
30%inclusion33 decks109 decks
-7%synergy
Reanimate
28%inclusion31 decks109 decks
-11%synergy
Plague of Vermin
25%inclusion27 decks109 decks
22%synergy
Revenge of the Rats
24%inclusion12 decks51 decks
20%synergy
Diabolic Intent
21%inclusion23 decks109 decks
6%synergy
Sign in Blood
19%inclusion21 decks109 decks
-16%synergy
Grim Tutor
17%inclusion19 decks109 decks
6%synergy
Crippling Fear
16%inclusion17 decks109 decks
12%synergy
Vat Emergence
15%inclusion16 decks109 decks
13%synergy
Unearth
14%inclusion15 decks109 decks
5%synergy
Haunting Voyage
12%inclusion13 decks109 decks
11%synergy
Bubbling Muck
12%inclusion13 decks109 decks
-4%synergy
Blasphemous Edict
12%inclusion6 decks51 decks
-5%synergy
Pact of the Serpent
11%inclusion12 decks109 decks
9%synergy
Echoing Return
10%inclusion11 decks109 decks
7%synergy
Read the Bones
10%inclusion11 decks109 decks
-7%synergy
Night's Whisper
10%inclusion11 decks109 decks
-15%synergy
Geth's Summons
10%inclusion11 decks109 decks
10%synergy
Victimize
9.2%inclusion10 decks109 decks
-17%synergy
Insatiable Avarice
9.2%inclusion10 decks109 decks
-3%synergy
Gruesome Fate
9.2%inclusion10 decks109 decks
7%synergy
Spread the Sickness
8.3%inclusion9 decks109 decks
8%synergy
Diabolic Tutor
8.3%inclusion9 decks109 decks
-6%synergy
Agadeem's Awakening
8.3%inclusion9 decks109 decks
1%synergy
Exsanguinate
8.3%inclusion9 decks109 decks
-16%synergy
Torment of Hailfire
7.3%inclusion8 decks109 decks
-8%synergy
Lab Rats
7.3%inclusion8 decks109 decks
7%synergy
Beseech the Mirror
6.4%inclusion7 decks109 decks
0%synergy
Mutilate
5.5%inclusion6 decks109 decks
-12%synergy
Caress of Phyrexia
5.5%inclusion6 decks109 decks
5%synergy
Living Death
5.5%inclusion6 decks109 decks
-5%synergy
Strategic Betrayal
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Skullclamp
51%inclusion56 decks109 decks
29%synergy
Vanquisher's Banner
36%inclusion39 decks109 decks
32%synergy
Contagion Engine
25%inclusion27 decks109 decks
23%synergy
Lightning Greaves
22%inclusion24 decks109 decks
-12%synergy
The Darkness Crystal
20%inclusion3 decks15 decks
0%synergy
Coat of Arms
18%inclusion20 decks109 decks
16%synergy
Swiftfoot Boots
17%inclusion19 decks109 decks
-14%synergy
Sword of Truth and Justice
17%inclusion18 decks109 decks
16%synergy
Ashnod's Altar
16%inclusion17 decks109 decks
-4%synergy
Thrumming Stone
16%inclusion17 decks109 decks
12%synergy
Contagion Clasp
15%inclusion16 decks109 decks
12%synergy
Whip of Erebos
15%inclusion16 decks109 decks
4%synergy
Door of Destinies
13%inclusion14 decks109 decks
11%synergy
Thornbite Staff
13%inclusion14 decks109 decks
10%synergy
Eldrazi Monument
12%inclusion13 decks109 decks
10%synergy
Grafted Exoskeleton
11%inclusion12 decks109 decks
10%synergy
Akroma's Memorial
10%inclusion11 decks109 decks
9%synergy
Expedition Map
9.2%inclusion10 decks109 decks
-3%synergy
Banner of Kinship
7.5%inclusion4 decks53 decks
5%synergy
Urza's Incubator
7.3%inclusion8 decks109 decks
5%synergy
Phyrexian Altar
6.4%inclusion7 decks109 decks
-7%synergy
Enchantments
Cover of Darkness
52%inclusion57 decks109 decks
49%synergy
Phyrexian Arena
50%inclusion55 decks109 decks
11%synergy
Black Market Connections
49%inclusion53 decks109 decks
25%synergy
Grave Pact
42%inclusion46 decks109 decks
23%synergy
Haunted One
30%inclusion33 decks109 decks
28%synergy
Necrogen Communion
29%inclusion32 decks109 decks
28%synergy
The Meathook Massacre
23%inclusion25 decks109 decks
6%synergy
Black Market
21%inclusion23 decks109 decks
0%synergy
Oversold Cemetery
18%inclusion20 decks109 decks
13%synergy
Phyresis
16%inclusion17 decks109 decks
13%synergy
Bad Moon
16%inclusion17 decks109 decks
12%synergy
Dictate of Erebos
13%inclusion14 decks109 decks
2%synergy
Vampiric Rites
8.3%inclusion9 decks109 decks
2%synergy
Dark Prophecy
8.3%inclusion9 decks109 decks
4%synergy
Phyrexian Reclamation
7.3%inclusion8 decks109 decks
-3%synergy
Exquisite Blood
7.3%inclusion8 decks109 decks
-6%synergy
No Mercy
7.3%inclusion8 decks109 decks
0%synergy
Sothera, the Supervoid
7.1%inclusion1 decks14 decks
4%synergy
Glistening Oil
6.4%inclusion7 decks109 decks
6%synergy
Tribute to Horobi
6.4%inclusion7 decks109 decks
5%synergy
Animate Dead
6.4%inclusion7 decks109 decks
-11%synergy
Sanguine Bond
5.5%inclusion6 decks109 decks
-6%synergy
Lord Skitter's Blessing
5.5%inclusion6 decks109 decks
5%synergy
Meathook Massacre II
5.5%inclusion4 decks73 decks
-1%synergy
Planeswalkers
Vraska, Betrayal's Sting
46%inclusion50 decks109 decks
43%synergy
Liliana of the Dark Realms
18%inclusion20 decks109 decks
4%synergy
Utility Lands
Cabal Coffers
92%inclusion100 decks109 decks
37%synergy
Urborg, Tomb of Yawgmoth
78%inclusion85 decks109 decks
40%synergy
Nykthos, Shrine to Nyx
72%inclusion78 decks109 decks
42%synergy
Karn's Bastion
64%inclusion70 decks109 decks
60%synergy
Bojuka Bog
61%inclusion67 decks109 decks
15%synergy
Cabal Stronghold
59%inclusion64 decks109 decks
24%synergy
Phyrexian Tower
52%inclusion57 decks109 decks
27%synergy
Three Tree City
46%inclusion39 decks85 decks
41%synergy
Mudflat Village
38%inclusion32 decks85 decks
35%synergy
Shizo, Death's Storehouse
38%inclusion41 decks109 decks
27%synergy
Rogue's Passage
35%inclusion38 decks109 decks
16%synergy
Takenuma, Abandoned Mire
30%inclusion33 decks109 decks
15%synergy
Reliquary Tower
30%inclusion33 decks109 decks
0%synergy
Witch's Cottage
29%inclusion32 decks109 decks
5%synergy
Castle Locthwain
28%inclusion31 decks109 decks
11%synergy
War Room
26%inclusion28 decks109 decks
10%synergy
Crypt of Agadeem
25%inclusion27 decks109 decks
14%synergy
Mortuary Mire
19%inclusion21 decks109 decks
6%synergy
Inkmoth Nexus
17%inclusion19 decks109 decks
16%synergy
Secret Tunnel
17%inclusion2 decks12 decks
15%synergy
Access Tunnel
15%inclusion16 decks109 decks
12%synergy
Minas Morgul, Dark Fortress
14%inclusion15 decks109 decks
11%synergy
Midgar, City of Mako
13%inclusion2 decks15 decks
2%synergy
Urza's Saga
11%inclusion12 decks109 decks
3%synergy
Lake of the Dead
10%inclusion11 decks109 decks
5%synergy
The Black Gate
9.2%inclusion10 decks109 decks
6%synergy
Mutavault
7.3%inclusion8 decks109 decks
7%synergy
Leechridden Swamp
7.3%inclusion8 decks109 decks
5%synergy
Susur Secundi, Void Altar
7.1%inclusion1 decks14 decks
0%synergy
Volrath's Stronghold
6.4%inclusion7 decks109 decks
3%synergy
Westvale Abbey
5.5%inclusion6 decks109 decks
-1%synergy
Mana Artifacts
Sol Ring
89%inclusion97 decks109 decks
3%synergy
Glistening Sphere
53%inclusion58 decks109 decks
52%synergy
Arcane Signet
52%inclusion57 decks109 decks
-10%synergy
The Soul Stone
29%inclusion4 decks14 decks
14%synergy
Patchwork Banner
24%inclusion20 decks84 decks
19%synergy
Staff of Compleation
23%inclusion25 decks109 decks
21%synergy
Firdoch Core
22%inclusion2 decks9 decks
22%synergy
Throne of Eldraine
21%inclusion23 decks109 decks
11%synergy
Caged Sun
14%inclusion15 decks109 decks
2%synergy
Charcoal Diamond
14%inclusion15 decks109 decks
-9%synergy
Jeweled Lotus
14%inclusion15 decks109 decks
12%synergy
Mana Crypt
10%inclusion11 decks109 decks
9%synergy
White Lotus Tile
8.3%inclusion1 decks12 decks
8%synergy
Nyx Lotus
8.3%inclusion9 decks109 decks
2%synergy
Commander's Sphere
6.4%inclusion7 decks109 decks
-2%synergy
Thought Vessel
6.4%inclusion7 decks109 decks
-19%synergy
Mind Stone
6.4%inclusion7 decks109 decks
-23%synergy
Heraldic Banner
5.5%inclusion6 decks109 decks
0%synergy
Mox Amber
5.5%inclusion6 decks109 decks
1%synergy
Sceptre of Eternal Glory
5.5%inclusion6 decks109 decks
-3%synergy
Extraplanar Lens
5.5%inclusion6 decks109 decks
1%synergy
Lands
Swamp
91%inclusion99 decks109 decks
-4%synergy
Cavern of Souls
58%inclusion63 decks109 decks
51%synergy
Path of Ancestry
36%inclusion39 decks109 decks
31%synergy
Myriad Landscape
22%inclusion24 decks109 decks
-4%synergy
Malakir Rebirth
21%inclusion23 decks109 decks
-2%synergy
Fell the Profane
19%inclusion18 decks95 decks
0%synergy
Command Tower
16%inclusion17 decks109 decks
10%synergy
Snow-Covered Swamp
13%inclusion14 decks109 decks
6%synergy
Agadeem's Awakening
8.3%inclusion9 decks109 decks
1%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