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Card data and images from Scryfall. Card roles from the Scryfall Tagger project. Prices are estimates and may be out of date.

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Karumonix, the Rat King decks | MTG Deck Rec

Karumonix, the Rat King

What 49 decks with this commander run

Only 49 decks with this commander so far, so these rankings can still shift as more decks come in.

Upgrade your Karumonix, the Rat King deck Rate cards for this commander

Art from Karumonix, the Rat King by Helge C. Balzer

In a typical deck

Ramp: 8.8
Card advantage: 12.2
Removal: 11.8
Protection: 3.1

Creatures

Piper of the SwarmIn 94% of decksAbout $1.80
Blightbelly RatIn 84% of decksAbout $0.27

Instants

Vraska's FallIn 74% of decksAbout $0.35
Dark RitualIn 61% of decksAbout $0.25

Sorceries

Infectious InquiryIn 63% of decksAbout $0.38
Drown in IchorIn 55% of decksAbout $1.01

Artifacts

Jet MedallionIn 65% of decksAbout $13.37
Bontu's MonumentIn 63% of decksAbout $2.09

Enchantments

Necrogen CommunionIn 49% of decksAbout $0.35
Cover of DarknessIn 45% of decksAbout $8.85

Planeswalkers

Vraska, Betrayal's StingIn 47% of decksAbout $4.24
Liliana of the Dark RealmsIn 14% of decksAbout $9.68

Lands

SwarmyardIn 71% of decksAbout $4.67
Cabal CoffersIn 53% of decksAbout $20.74

Based on 49 decks shared publicly on Archidekt, counted only since each card came out. Updated Oct 7, 2026.

Prices are Scryfall estimates and may be out of date.

Marrow-GnawerIn 80% of decksAbout $23.64

Ogre SlumlordIn 78% of decksAbout $0.31

Ichor RatsIn 80% of decksAbout $3.68

Pack RatIn 76% of decksAbout $2.65

Lord Skitter, Sewer KingIn 71% of decksAbout $4.39

Typhoid RatsIn 59% of decksAbout $0.22

Rancid RatsIn 61% of decksAbout $0.27

Rat ColonyIn 53% of decksAbout $5.31

Crypt RatsIn 51% of decksAbout $0.54

Septic RatsIn 51% of decksAbout $0.64

Whisper of the DrossIn 43% of decksAbout $0.35

DefileIn 31% of decksAbout $1.18

Village RitesIn 29% of decksAbout $0.33

Grim AfflictionIn 25% of decksAbout $0.28

Rat OutIn 17% of decksAbout $0.31

Go for the ThroatIn 16% of decksAbout $0.28

Tainted StrikeIn 27% of decksAbout $3.74

Anoint with AfflictionIn 14% of decksAbout $0.28

Corrupted ConvictionIn 12% of decksAbout $0.35

Tragic SlipIn 20% of decksAbout $0.18

Phyresis OutbreakIn 57% of decksAbout $12.25

Revenge of the RatsIn 29% of decksAbout $0.28

Crippling FearIn 35% of decksAbout $0.40

Patriarch's BiddingIn 37% of decksAbout $3.71

Vat EmergenceIn 25% of decksAbout $0.28

Feed the SwarmIn 37% of decksAbout $0.21

Kindred DominanceIn 25% of decksAbout $4.55

Sign in BloodIn 31% of decksAbout $0.29

Swarmyard MassacreIn 20% of decksAbout $4.75

Spread the SicknessIn 18% of decksAbout $0.25

Herald's HornIn 45% of decksAbout $2.80

Glistening SphereIn 51% of decksAbout $13.52

SkullclampIn 45% of decksAbout $4.81

Vanquisher's BannerIn 29% of decksAbout $2.88

Contagion ClaspIn 25% of decksAbout $0.35

Patchwork BannerIn 34% of decksAbout $1.59

Thrumming StoneIn 27% of decksAbout $21.30

Sol RingIn 86% of decksAbout $1.24

Staff of CompleationIn 25% of decksAbout $4.09

Heraldic BannerIn 20% of decksAbout $0.27

Phyrexian ArenaIn 43% of decksAbout $2.54

Haunted OneIn 33% of decksAbout $4.78

PhyresisIn 29% of decksAbout $2.29

Oversold CemeteryIn 25% of decksAbout $0.43

Bad MoonIn 16% of decksAbout $0.30

Grave PactIn 25% of decksAbout $22.11

Black MarketIn 12% of decksAbout $5.15

Tribute to HorobiIn 12% of decksAbout $0.24

Vampiric RitesIn 14% of decksAbout $0.17

Lord Skitter's BlessingIn 12% of decksAbout $0.38

Liliana of the VeilIn 2% of decksAbout $5.45

Ob Nixilis ReignitedIn 2% of decksAbout $0.29

Liliana, Dreadhorde GeneralIn 2% of decksAbout $9.58

Karn's BastionIn 53% of decksAbout $2.83

Mudflat VillageIn 29% of decksAbout $0.32

Rogue's PassageIn 61% of decksAbout $0.38

Cabal StrongholdIn 43% of decksAbout $14.19

Witch's CottageIn 35% of decksAbout $0.36

Urborg, Tomb of YawgmothIn 39% of decksAbout $53.28

Three Tree CityIn 37% of decksAbout $29.23

Mortuary MireIn 31% of decksAbout $0.27

Bojuka BogIn 57% of decksAbout $1.38

Path of AncestryIn 41% of decksAbout $0.16