Karumonix, the Rat King (Commander) - Core

Karumonix, the Rat King
Rank #384
935decks
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.
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Utility Lands
Mana Artifacts
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Rat King, Pale Piper
24%inclusion27 decks114 decks
19%synergy
Rat King, Verminister
23%inclusion33 decks146 decks
20%synergy
Big Apple, 3 a.m.
10%inclusion11 decks114 decks
8%synergy
Shredder's Technique
3.5%inclusion4 decks114 decks
0%synergy
Splinter's Technique
2.7%inclusion4 decks146 decks
1%synergy
High Synergy Cards
Blightbelly Rat
85%inclusion798 decks935 decks
82%synergy
Piper of the Swarm
83%inclusion779 decks935 decks
76%synergy
Pack Rat
76%inclusion706 decks935 decks
69%synergy
Ichor Rats
71%inclusion664 decks935 decks
68%synergy
Ogre Slumlord
78%inclusion727 decks935 decks
68%synergy
Typhoid Rats
69%inclusion649 decks935 decks
66%synergy
Marrow-Gnawer
68%inclusion632 decks935 decks
64%synergy
Infectious Inquiry
66%inclusion620 decks935 decks
64%synergy
Rancid Rats
64%inclusion599 decks935 decks
62%synergy
Lord Skitter, Sewer King
69%inclusion649 decks935 decks
61%synergy
Top Cards
Vraska's Fall
64%inclusion595 decks935 decks
60%synergy
Lord Skitter's Butcher
64%inclusion594 decks935 decks
60%synergy
Septic Rats
62%inclusion580 decks935 decks
60%synergy
Crypt Rats
61%inclusion567 decks935 decks
56%synergy
Drown in Ichor
60%inclusion561 decks935 decks
56%synergy
Tangled Colony
59%inclusion554 decks935 decks
56%synergy
Burglar Rat
58%inclusion539 decks935 decks
47%synergy
Voracious Vermin
57%inclusion530 decks935 decks
54%synergy
Rat Colony
52%inclusion482 decks935 decks
46%synergy
Dark Ritual
51%inclusion479 decks935 decks
-15%synergy
Creatures
Stronghold Rats
49%inclusion460 decks935 decks
45%synergy
Chittering Skitterling
47%inclusion435 decks935 decks
46%synergy
Persistent Marshstalker
46%inclusion373 decks818 decks
43%synergy
Gnat Miser
46%inclusion426 decks935 decks
43%synergy
Wave of Rats
44%inclusion410 decks935 decks
42%synergy
Pestilence Rats
40%inclusion375 decks935 decks
38%synergy
Ratcatcher
39%inclusion367 decks935 decks
36%synergy
Nezumi Prowler
37%inclusion345 decks935 decks
35%synergy
Ruin Rat
36%inclusion341 decks935 decks
35%synergy
Swarm of Rats
36%inclusion340 decks935 decks
34%synergy
Nezumi Informant
35%inclusion328 decks935 decks
28%synergy
Ravenous Rats
34%inclusion321 decks935 decks
33%synergy
Gnawing Vermin
34%inclusion321 decks935 decks
33%synergy
Changeling Outcast
34%inclusion320 decks935 decks
29%synergy
Chittering Witch
34%inclusion318 decks935 decks
30%synergy
Nezumi Cutthroat
33%inclusion312 decks935 decks
33%synergy
Nashi, Moon Sage's Scion
32%inclusion296 decks935 decks
28%synergy
Old Flitterfang
31%inclusion290 decks935 decks
30%synergy
Ashcoat of the Shadow Swarm
31%inclusion286 decks935 decks
27%synergy
Drainpipe Vermin
30%inclusion280 decks935 decks
29%synergy
Ink-Eyes, Servant of Oni
29%inclusion273 decks935 decks
26%synergy
Razortooth Rats
28%inclusion264 decks935 decks
28%synergy
Twisted Sewer-Witch
28%inclusion264 decks935 decks
27%synergy
Ruthless Radrat
25%inclusion237 decks935 decks
25%synergy
Engine Rat
24%inclusion120 decks503 decks
22%synergy
Mukotai Ambusher
21%inclusion196 decks935 decks
20%synergy
Nezumi Graverobber
21%inclusion193 decks935 decks
19%synergy
Throat Slitter
20%inclusion188 decks935 decks
18%synergy
Innocuous Rat
20%inclusion143 decks718 decks
19%synergy
Rotting Rats
20%inclusion185 decks935 decks
17%synergy
Locust Miser
19%inclusion180 decks935 decks
18%synergy
Valley Rotcaller
19%inclusion156 decks822 decks
16%synergy
Undercity Dire Rat
18%inclusion69 decks376 decks
16%synergy
Relentless Rats
18%inclusion166 decks935 decks
16%synergy
Sinuous Vermin
18%inclusion166 decks935 decks
17%synergy
Ayara, First of Locthwain
18%inclusion165 decks935 decks
-8%synergy
Refurbished Familiar
17%inclusion154 decks886 decks
15%synergy
Skullsnatcher
17%inclusion157 decks935 decks
16%synergy
Species Specialist
16%inclusion154 decks935 decks
13%synergy
Nezumi Bladeblesser
16%inclusion153 decks935 decks
16%synergy
Daggerfang Duo
14%inclusion113 decks803 decks
13%synergy
Chittering Rats
13%inclusion121 decks935 decks
12%synergy
Okiba-Gang Shinobi
13%inclusion121 decks935 decks
12%synergy
Bog Rats
13%inclusion119 decks935 decks
12%synergy
Gray Merchant of Asphodel
13%inclusion119 decks935 decks
-38%synergy
Adaptive Automaton
13%inclusion118 decks935 decks
12%synergy
Crypt Ghast
12%inclusion110 decks935 decks
-36%synergy
Thornplate Intimidator
11%inclusion88 decks813 decks
10%synergy
Nezumi Linkbreaker
11%inclusion100 decks935 decks
9%synergy
Scrib Nibblers
10%inclusion90 decks935 decks
9%synergy
Instants
Whisper of the Dross
51%inclusion476 decks935 decks
48%synergy
Village Rites
42%inclusion390 decks935 decks
16%synergy
Defile
40%inclusion371 decks935 decks
3%synergy
Rat Out
32%inclusion298 decks935 decks
30%synergy
Grim Affliction
31%inclusion293 decks935 decks
29%synergy
Go for the Throat
30%inclusion282 decks935 decks
7%synergy
Tainted Strike
21%inclusion198 decks935 decks
18%synergy
Anoint with Affliction
21%inclusion195 decks935 decks
20%synergy
Corrupted Conviction
21%inclusion193 decks935 decks
8%synergy
Murder
20%inclusion191 decks935 decks
10%synergy
Deadly Dispute
19%inclusion176 decks935 decks
-7%synergy
Infernal Grasp
17%inclusion158 decks935 decks
-8%synergy
Tragic Slip
17%inclusion157 decks935 decks
-3%synergy
Foul-Tongue Shriek
15%inclusion143 decks935 decks
13%synergy
Consuming Corruption
15%inclusion129 decks888 decks
-1%synergy
Hero's Downfall
13%inclusion124 decks935 decks
6%synergy
Raise the Draugr
13%inclusion122 decks935 decks
12%synergy
Withering Torment
12%inclusion90 decks721 decks
-19%synergy
Doom Blade
12%inclusion108 decks935 decks
4%synergy
Virulent Wound
11%inclusion107 decks935 decks
11%synergy
Gravepurge
11%inclusion102 decks935 decks
9%synergy
Bitter Triumph
8.8%inclusion82 decks935 decks
-1%synergy
Fell the Profane
8.7%inclusion78 decks897 decks
-10%synergy
Malakir Rebirth
8.7%inclusion81 decks935 decks
-14%synergy
Deadly Rollick
7.2%inclusion67 decks935 decks
-17%synergy
Death Denied
7.2%inclusion67 decks935 decks
6%synergy
Not Dead After All
7.0%inclusion65 decks935 decks
-4%synergy
Altar's Reap
6.8%inclusion64 decks935 decks
4%synergy
Offer Immortality
6.7%inclusion63 decks935 decks
5%synergy
Sheoldred's Edict
6.3%inclusion59 decks935 decks
-8%synergy
Sudden Spoiling
5.8%inclusion54 decks935 decks
-3%synergy
Feign Death
5.6%inclusion52 decks935 decks
-3%synergy
Baleful Mastery
5.0%inclusion47 decks935 decks
-4%synergy
Sorceries
Phyresis Outbreak
44%inclusion415 decks935 decks
43%synergy
Feed the Swarm
40%inclusion373 decks935 decks
-11%synergy
Crippling Fear
39%inclusion365 decks935 decks
36%synergy
Revenge of the Rats
35%inclusion225 decks650 decks
32%synergy
Sign in Blood
32%inclusion302 decks935 decks
-3%synergy
Vat Emergence
31%inclusion290 decks935 decks
30%synergy
Patriarch's Bidding
29%inclusion268 decks935 decks
24%synergy
Kindred Dominance
25%inclusion231 decks935 decks
20%synergy
Spread the Sickness
21%inclusion195 decks935 decks
20%synergy
Swarmyard Massacre
19%inclusion153 decks803 decks
17%synergy
Read the Bones
18%inclusion171 decks935 decks
1%synergy
Bloodline Bidding
18%inclusion28 decks158 decks
13%synergy
Feed the Infection
16%inclusion151 decks935 decks
15%synergy
Night's Whisper
16%inclusion146 decks935 decks
-9%synergy
Unearth
13%inclusion126 decks935 decks
5%synergy
Gruesome Fate
13%inclusion122 decks935 decks
11%synergy
Diabolic Tutor
12%inclusion116 decks935 decks
-2%synergy
Echoing Return
12%inclusion115 decks935 decks
9%synergy
Geth's Summons
12%inclusion110 decks935 decks
11%synergy
Plague of Vermin
11%inclusion107 decks935 decks
9%synergy
Lab Rats
11%inclusion100 decks935 decks
10%synergy
Return from Extinction
10%inclusion95 decks935 decks
10%synergy
Mutilate
10%inclusion95 decks935 decks
-7%synergy
Victimize
10%inclusion91 decks935 decks
-17%synergy
Caress of Phyrexia
9.0%inclusion84 decks935 decks
8%synergy
Toxic Deluge
8.6%inclusion80 decks935 decks
-28%synergy
Pact of the Serpent
8.4%inclusion79 decks935 decks
7%synergy
Forever Young
7.6%inclusion71 decks935 decks
6%synergy
Damnation
6.8%inclusion64 decks935 decks
-14%synergy
Haunting Voyage
6.7%inclusion63 decks935 decks
6%synergy
Fell
6.7%inclusion55 decks822 decks
3%synergy
Syphon Mind
5.6%inclusion52 decks935 decks
-7%synergy
Reanimate
5.2%inclusion49 decks935 decks
-34%synergy
Diabolic Intent
5.0%inclusion47 decks935 decks
-10%synergy
Predators' Hour
5.0%inclusion47 decks935 decks
4%synergy
Eaten Alive
5.0%inclusion47 decks935 decks
2%synergy
Utility Artifacts
Bontu's Monument
50%inclusion463 decks935 decks
21%synergy
Jet Medallion
43%inclusion402 decks935 decks
-19%synergy
Herald's Horn
43%inclusion398 decks935 decks
37%synergy
Contagion Clasp
32%inclusion301 decks935 decks
30%synergy
Vanquisher's Banner
30%inclusion278 decks935 decks
26%synergy
Skullclamp
29%inclusion270 decks935 decks
7%synergy
Swiftfoot Boots
19%inclusion179 decks935 decks
-12%synergy
Thrumming Stone
16%inclusion145 decks935 decks
11%synergy
Icon of Ancestry
15%inclusion136 decks935 decks
14%synergy
Contagion Engine
14%inclusion133 decks935 decks
12%synergy
Lightning Greaves
12%inclusion115 decks935 decks
-21%synergy
Coat of Arms
12%inclusion112 decks935 decks
9%synergy
Chronicle of Victory
12%inclusion19 decks159 decks
9%synergy
Prosthetic Injector
12%inclusion108 decks935 decks
11%synergy
Door of Destinies
11%inclusion102 decks935 decks
9%synergy
Banner of Kinship
11%inclusion70 decks652 decks
9%synergy
Whip of Erebos
10%inclusion96 decks935 decks
-1%synergy
Grafted Exoskeleton
10%inclusion92 decks935 decks
9%synergy
Eldrazi Monument
7.3%inclusion68 decks935 decks
6%synergy
Wayfarer's Bauble
7.2%inclusion67 decks935 decks
-8%synergy
Vat of Rebirth
5.8%inclusion54 decks935 decks
2%synergy
The Darkness Crystal
5.7%inclusion22 decks383 decks
-14%synergy
Hall of Triumph
5.7%inclusion53 decks935 decks
5%synergy
Enchantments
Necrogen Communion
43%inclusion400 decks935 decks
41%synergy
Phyrexian Arena
36%inclusion332 decks935 decks
-4%synergy
Cover of Darkness
26%inclusion241 decks935 decks
23%synergy
Bad Moon
24%inclusion226 decks935 decks
21%synergy
Phyresis
21%inclusion198 decks935 decks
19%synergy
Haunted One
21%inclusion192 decks935 decks
18%synergy
Oversold Cemetery
19%inclusion176 decks935 decks
13%synergy
Tribute to Horobi
17%inclusion161 decks935 decks
16%synergy
Black Market
12%inclusion116 decks935 decks
-9%synergy
Grave Pact
11%inclusion105 decks935 decks
-8%synergy
Black Market Connections
10%inclusion94 decks935 decks
-14%synergy
Vampiric Rites
10%inclusion92 decks935 decks
4%synergy
Lord Skitter's Blessing
9.1%inclusion85 decks935 decks
8%synergy
Intimidation
8.6%inclusion80 decks935 decks
8%synergy
Dictate of Erebos
6.1%inclusion57 decks935 decks
-5%synergy
Planeswalkers
Vraska, Betrayal's Sting
24%inclusion229 decks935 decks
22%synergy
Liliana of the Dark Realms
8.0%inclusion75 decks935 decks
-6%synergy
Utility Lands
Swarmyard
48%inclusion449 decks935 decks
42%synergy
Karn's Bastion
42%inclusion393 decks935 decks
38%synergy
Rogue's Passage
41%inclusion379 decks935 decks
21%synergy
Bojuka Bog
40%inclusion375 decks935 decks
-7%synergy
Mudflat Village
37%inclusion303 decks830 decks
34%synergy
Cabal Coffers
28%inclusion264 decks935 decks
-27%synergy
Witch's Cottage
27%inclusion249 decks935 decks
2%synergy
Mortuary Mire
24%inclusion222 decks935 decks
11%synergy
Cabal Stronghold
21%inclusion192 decks935 decks
-14%synergy
Reliquary Tower
18%inclusion171 decks935 decks
-12%synergy
Access Tunnel
18%inclusion168 decks935 decks
15%synergy
Three Tree City
16%inclusion133 decks822 decks
12%synergy
Urborg, Tomb of Yawgmoth
14%inclusion127 decks935 decks
-24%synergy
Nykthos, Shrine to Nyx
12%inclusion111 decks935 decks
-18%synergy
Castle Locthwain
11%inclusion99 decks935 decks
-6%synergy
Barren Moor
10%inclusion95 decks935 decks
0%synergy
War Room
8.6%inclusion80 decks935 decks
-8%synergy
Secret Tunnel
8.5%inclusion19 decks223 decks
7%synergy
Phyrexian Tower
7.6%inclusion71 decks935 decks
-18%synergy
Crypt of Agadeem
7.4%inclusion69 decks935 decks
-4%synergy
Temple of the False God
7.0%inclusion65 decks935 decks
-1%synergy
The Dross Pits
6.4%inclusion60 decks935 decks
5%synergy
Shizo, Death's Storehouse
6.0%inclusion56 decks935 decks
-4%synergy
Memorial to Folly
5.3%inclusion50 decks935 decks
2%synergy
Mana Artifacts
Sol Ring
75%inclusion700 decks935 decks
-11%synergy
Arcane Signet
47%inclusion444 decks935 decks
-14%synergy
Glistening Sphere
34%inclusion322 decks935 decks
33%synergy
Charcoal Diamond
26%inclusion247 decks935 decks
4%synergy
Patchwork Banner
24%inclusion193 decks813 decks
19%synergy
Heraldic Banner
19%inclusion174 decks935 decks
13%synergy
Mind Stone
18%inclusion165 decks935 decks
-11%synergy
Staff of Compleation
15%inclusion144 decks935 decks
14%synergy
Phyrexian Atlas
15%inclusion137 decks935 decks
14%synergy
Caged Sun
10%inclusion94 decks935 decks
-1%synergy
Thought Vessel
8.7%inclusion81 decks935 decks
-17%synergy
Commander's Sphere
7.8%inclusion73 decks935 decks
-1%synergy
Lands
Swamp
99%inclusion924 decks935 decks
4%synergy
Path of Ancestry
37%inclusion343 decks935 decks
32%synergy
Myriad Landscape
19%inclusion182 decks935 decks
-6%synergy
Fell the Profane
8.7%inclusion78 decks897 decks
-10%synergy
Malakir Rebirth
8.7%inclusion81 decks935 decks
-14%synergy
Command Tower
8.4%inclusion79 decks935 decks
3%synergy
Cavern of Souls
8.0%inclusion75 decks935 decks
1%synergy
Escape Tunnel
7.9%inclusion74 decks935 decks
7%synergy
Evolving Wilds
6.0%inclusion56 decks935 decks
2%synergy
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