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Launch

Karumonix, the Rat King
Price tag $0.51

Legendary CreaturePhyrexian Rat

Magic color symbol for B
Mono-Black

How it feels to play against

Mildly Annoying Some frustrating moments but still fun.

Popularity

Format Staple Extremely popular, see it regularly at tables.

Ranking

#463 Current Rank
#457 Last Week
#373 Last Month

Videos

Commander gameplay videos featuring Karumonix, the Rat King.

New Cards

Fresh cards from recent sets that players are experimenting with in Karumonix, the Rat King decks.

Elephant-Rat Elephant-Rat
+3% Synergy $4.95
Prison Break Prison Break
0% Synergy $0.09
The Death of Gwen Stacy The Death of Gwen Stacy
0% Synergy $0.28
Gwenom, Remorseless Gwenom, Remorseless
-2% Synergy $9.01
The Soul Stone The Soul Stone
-5% Synergy $62.47

High Synergy Cards

Cards that work exceptionally well with Karumonix, the Rat King's abilities and overall game plan.

Piper of the Swarm Piper of the Swarm
+77% Synergy $1.08
Blightbelly Rat Blightbelly Rat
+75% Synergy $0.12
Pack Rat Pack Rat
+69% Synergy $1.28
Marrow-Gnawer Marrow-Gnawer
+69% Synergy $14.45
Ogre Slumlord Ogre Slumlord
+68% Synergy $0.25
Ichor Rats Ichor Rats
+66% Synergy $2.09
Lord Skitter, Sewer King Lord Skitter, Sewer King
+61% Synergy $2.42
Infectious Inquiry Infectious Inquiry
+59% Synergy $0.17
Typhoid Rats Typhoid Rats
+59% Synergy $0.14
Vraska's Fall Vraska's Fall
+56% Synergy $0.17

Top Cards

The most popular and reliable cards that form the backbone of successful Karumonix, the Rat King decks.

Rancid Rats Rancid Rats
+56% Synergy $0.16
Septic Rats Septic Rats
+55% Synergy $0.62
Lord Skitter's Butcher Lord Skitter's Butcher
+54% Synergy $0.15
Tangled Colony Tangled Colony
+53% Synergy $0.34
Crypt Rats Crypt Rats
+52% Synergy $0.30
Drown in Ichor Drown in Ichor
+52% Synergy $0.32
Rat Colony Rat Colony
+49% Synergy $3.47
Burglar Rat Burglar Rat
+41% Synergy $0.06
Bontu's Monument Bontu's Monument
+27% Synergy $5.69
Dark Ritual Dark Ritual
-10% Synergy $3.43

Game Changers

Powerful cards that can single-handedly turn the tide of a game when resolved.

Vampiric Tutor Vampiric Tutor
-6% Synergy $54.04
Demonic Tutor Demonic Tutor
-7% Synergy $48.71
Bolas's Citadel Bolas's Citadel
-15% Synergy $14.25

Creatures

Essential creatures that complement Karumonix, the Rat King's strategy through synergy, utility, or raw power.

Voracious Vermin Voracious Vermin
+47% Synergy $0.16
Persistent Marshstalker Persistent Marshstalker
+42% Synergy $0.16
Stronghold Rats Stronghold Rats
+41% Synergy $0.58
Gnat Miser Gnat Miser
+40% Synergy $0.65
Chittering Skitterling Chittering Skitterling
+40% Synergy $0.04
Ratcatcher Ratcatcher
+38% Synergy $6.77
Wave of Rats Wave of Rats
+38% Synergy $2.40
Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm
+35% Synergy $48.07
Swarm of Rats Swarm of Rats
+33% Synergy $3.43
Pestilence Rats Pestilence Rats
+32% Synergy $0.35
Nezumi Prowler Nezumi Prowler
+31% Synergy $0.17
Ruin Rat Ruin Rat
+28% Synergy $0.13
Chittering Witch Chittering Witch
+28% Synergy $0.22
Nashi, Moon Sage's Scion Nashi, Moon Sage's Scion
+28% Synergy $1.95
Ink-Eyes, Servant of Oni Ink-Eyes, Servant of Oni
+27% Synergy $7.90
Ravenous Rats Ravenous Rats
+27% Synergy $0.51
Changeling Outcast Changeling Outcast
+26% Synergy $2.51
Gnawing Vermin Gnawing Vermin
+26% Synergy $0.17
Nezumi Informant Nezumi Informant
+25% Synergy $0.24
Old Flitterfang Old Flitterfang
+25% Synergy $0.23
Nezumi Cutthroat Nezumi Cutthroat
+25% Synergy $0.16
Drainpipe Vermin Drainpipe Vermin
+23% Synergy $0.13
Twisted Sewer-Witch Twisted Sewer-Witch
+22% Synergy $0.12
Razortooth Rats Razortooth Rats
+22% Synergy $0.19
Ruthless Radrat Ruthless Radrat
+21% Synergy $0.11
Engine Rat Engine Rat
+21% Synergy $0.09
Throat Slitter Throat Slitter
+20% Synergy $5.91
Valley Rotcaller Valley Rotcaller
+19% Synergy $1.29
Locust Miser Locust Miser
+18% Synergy $2.28
Relentless Rats Relentless Rats
+17% Synergy $2.15
Species Specialist Species Specialist
+16% Synergy $9.49
Undercity Dire Rat Undercity Dire Rat
+16% Synergy $0.08
Innocuous Rat Innocuous Rat
+16% Synergy $0.06
Mukotai Ambusher Mukotai Ambusher
+16% Synergy $0.08
Nezumi Graverobber Nezumi Graverobber
+15% Synergy $0.64
Rotting Rats Rotting Rats
+14% Synergy $1.34
Sinuous Vermin Sinuous Vermin
+13% Synergy $0.20
Nezumi Bladeblesser Nezumi Bladeblesser
+13% Synergy $0.07
Refurbished Familiar Refurbished Familiar
+12% Synergy $0.19
Skullsnatcher Skullsnatcher
+12% Synergy $1.31
Okiba-Gang Shinobi Okiba-Gang Shinobi
+11% Synergy $1.52
Daggerfang Duo Daggerfang Duo
+11% Synergy $0.04
Adaptive Automaton Adaptive Automaton
+10% Synergy $0.85
Chittering Rats Chittering Rats
+10% Synergy $0.26
Nezumi Bone-Reader Nezumi Bone-Reader
+9% Synergy $0.39
Bog Rats Bog Rats
+9% Synergy $0.19
Scrib Nibblers Scrib Nibblers
+9% Synergy $0.26
Ayara, First of Locthwain Ayara, First of Locthwain
-3% Synergy $5.39
Crypt Ghast Crypt Ghast
-32% Synergy $13.60
Gray Merchant of Asphodel Gray Merchant of Asphodel
-35% Synergy $1.02

Instants

Key instant-speed responses for protection, removal, and keeping Karumonix, the Rat King safe.

Whisper of the Dross Whisper of the Dross
+44% Synergy $0.12
Rat Out Rat Out
+27% Synergy $0.09
Grim Affliction Grim Affliction
+25% Synergy $0.20
Anoint with Affliction Anoint with Affliction
+17% Synergy $0.11
Village Rites Village Rites
+16% Synergy $0.31
Tainted Strike Tainted Strike
+16% Synergy $1.50
Foul-Tongue Shriek Foul-Tongue Shriek
+12% Synergy $0.17
Corrupted Conviction Corrupted Conviction
+9% Synergy $0.17
Gravepurge Gravepurge
+9% Synergy $0.16
Raise the Draugr Raise the Draugr
+9% Synergy $0.12
Murder Murder
+8% Synergy $0.03
Virulent Wound Virulent Wound
+8% Synergy $0.14
Go for the Throat Go for the Throat
+6% Synergy $0.74
Death Denied Death Denied
+5% Synergy $0.11
Offer Immortality Offer Immortality
+4% Synergy $0.07
Hero's Downfall Hero's Downfall
+3% Synergy $0.09
Altar's Reap Altar's Reap
+3% Synergy $0.41
Doom Blade Doom Blade
+2% Synergy $0.19
Defile Defile
0% Synergy $0.59
Bitter Triumph Bitter Triumph
-2% Synergy $2.17
Sudden Spoiling Sudden Spoiling
-3% Synergy $4.90
Feign Death Feign Death
-3% Synergy $0.86
Tragic Slip Tragic Slip
-4% Synergy $0.12
Deadly Dispute Deadly Dispute
-5% Synergy $0.37
Consuming Corruption Consuming Corruption
-5% Synergy $0.17
Not Dead After All Not Dead After All
-6% Synergy $1.26
Infernal Grasp Infernal Grasp
-9% Synergy $0.26
Sheoldred's Edict Sheoldred's Edict
-9% Synergy $0.68
Deadly Rollick Deadly Rollick
-10% Synergy $19.11
Fell the Profane Fell Mire Fell the Profane
-11% Synergy $4.36
Cabal Ritual Cabal Ritual
-12% Synergy $13.78
Malakir Rebirth Malakir Mire Malakir Rebirth
-13% Synergy $8.78
Withering Torment Withering Torment
-17% Synergy $2.52

Sorceries

Important sorcery spells that advance Karumonix, the Rat King's game plan and control the board.

Phyresis Outbreak Phyresis Outbreak
+41% Synergy $7.28
Revenge of the Rats Revenge of the Rats
+35% Synergy $0.18
Crippling Fear Crippling Fear
+30% Synergy $2.16
Patriarch's Bidding Patriarch's Bidding
+28% Synergy $3.80
Vat Emergence Vat Emergence
+27% Synergy $0.14
Kindred Dominance Kindred Dominance
+21% Synergy $8.80
Spread the Sickness Spread the Sickness
+19% Synergy $0.17
Swarmyard Massacre Swarmyard Massacre
+18% Synergy $1.98
Feed the Infection Feed the Infection
+14% Synergy $0.09
Echoing Return Echoing Return
+11% Synergy $0.10
Plague of Vermin Plague of Vermin
+10% Synergy $24.89
Gruesome Fate Gruesome Fate
+9% Synergy $1.02
Geth's Summons Geth's Summons
+9% Synergy $0.51
Lab Rats Lab Rats
+9% Synergy $0.24
Caress of Phyrexia Caress of Phyrexia
+8% Synergy $0.29
Return from Extinction Return from Extinction
+7% Synergy $0.14
Pact of the Serpent Pact of the Serpent
+6% Synergy $0.32
Forever Young Forever Young
+5% Synergy $0.12
Haunting Voyage Haunting Voyage
+5% Synergy $2.19
Unearth Unearth
+3% Synergy $0.47
Fell Fell
+3% Synergy $0.49
In Garruk's Wake In Garruk's Wake
+1% Synergy $1.13
Read the Bones Read the Bones
-1% Synergy $0.21
Diabolic Tutor Diabolic Tutor
-1% Synergy $1.77
Diabolic Intent Diabolic Intent
-3% Synergy $11.31
Sign in Blood Sign in Blood
-6% Synergy $0.43
Grim Tutor Grim Tutor
-6% Synergy $21.95
Insatiable Avarice Insatiable Avarice
-7% Synergy $2.19
Night's Whisper Night's Whisper
-8% Synergy $0.42
Bubbling Muck Bubbling Muck
-9% Synergy $4.61
Damnation Damnation
-10% Synergy $18.91
Mutilate Mutilate
-11% Synergy $1.70
Feed the Swarm Feed the Swarm
-14% Synergy $0.22
Victimize Victimize
-15% Synergy $0.49
Toxic Deluge Toxic Deluge
-26% Synergy $5.94
Reanimate Reanimate
-30% Synergy $5.15

Utility Artifacts

Versatile artifacts that provide ongoing value, card selection, or strategic advantages.

Herald's Horn Herald's Horn
+40% Synergy $3.52
Vanquisher's Banner Vanquisher's Banner
+28% Synergy $2.90
Contagion Clasp Contagion Clasp
+26% Synergy $0.34
Thrumming Stone Thrumming Stone
+18% Synergy $15.60
Skullclamp Skullclamp
+13% Synergy $3.92
Coat of Arms Coat of Arms
+12% Synergy $16.06
Door of Destinies Door of Destinies
+12% Synergy $7.34
Contagion Engine Contagion Engine
+12% Synergy $5.86
Icon of Ancestry Icon of Ancestry
+12% Synergy $0.32
Banner of Kinship Banner of Kinship
+11% Synergy $5.63
Grafted Exoskeleton Grafted Exoskeleton
+7% Synergy $5.44
Prosthetic Injector Prosthetic Injector
+7% Synergy $0.09
Eldrazi Monument Eldrazi Monument
+6% Synergy $6.89
Hall of Triumph Hall of Triumph
+5% Synergy $0.39
Sword of the Squeak Sword of the Squeak
+5% Synergy $0.14
Thornbite Staff Thornbite Staff
+3% Synergy $11.97
Whip of Erebos Whip of Erebos
+2% Synergy $6.23
Wayfarer's Bauble Wayfarer's Bauble
-10% Synergy $0.21
Jet Medallion Jet Medallion
-11% Synergy $7.91
The Darkness Crystal The Darkness Crystal
-11% Synergy $4.02
Swiftfoot Boots Swiftfoot Boots
-12% Synergy $1.14
Ashnod's Altar Ashnod's Altar
-12% Synergy $9.12
Lightning Greaves Lightning Greaves
-19% Synergy $4.12

Enchantments

Powerful enchantments that support Karumonix, the Rat King's strategy and create lasting battlefield effects.

Necrogen Communion Necrogen Communion
+35% Synergy $0.16
Cover of Darkness Cover of Darkness
+25% Synergy $10.87
Bad Moon Bad Moon
+20% Synergy $2.11
Haunted One Haunted One
+18% Synergy $5.19
Phyresis Phyresis
+17% Synergy $1.28
Oversold Cemetery Oversold Cemetery
+14% Synergy $1.05
Tribute to Horobi Echo of Death's Wail Tribute to Horobi
+14% Synergy $0.18
Lord Skitter's Blessing Lord Skitter's Blessing
+8% Synergy $0.23
Intimidation Intimidation
+7% Synergy $0.66
Vampiric Rites Vampiric Rites
+4% Synergy $0.22
Dark Prophecy Dark Prophecy
+2% Synergy $4.76
Grave Pact Grave Pact
-2% Synergy $20.68
Phyrexian Arena Phyrexian Arena
-3% Synergy $2.32
Dictate of Erebos Dictate of Erebos
-3% Synergy $17.40
Phyrexian Reclamation Phyrexian Reclamation
-4% Synergy $3.20
Black Market Black Market
-5% Synergy $3.41
Black Market Connections Black Market Connections
-10% Synergy $11.69
The Meathook Massacre The Meathook Massacre
-11% Synergy $21.80

Planeswalkers

Planeswalkers that work alongside Karumonix, the Rat King to provide ongoing value and board presence.

Vraska, Betrayal's Sting Vraska, Betrayal's Sting
+24% Synergy $5.94
Liliana of the Dark Realms Liliana of the Dark Realms
-5% Synergy $5.27

Utility Lands

Non-basic lands that offer additional utility beyond just mana production.

Swarmyard Swarmyard
+46% Synergy $4.96
Karn's Bastion Karn's Bastion
+39% Synergy $1.55
Mudflat Village Mudflat Village
+32% Synergy $0.24
Rogue's Passage Rogue's Passage
+19% Synergy $0.31
Three Tree City Three Tree City
+14% Synergy $17.82
Access Tunnel Access Tunnel
+11% Synergy $0.35
Mortuary Mire Mortuary Mire
+9% Synergy $0.27
The Dross Pits The Dross Pits
+4% Synergy $0.07
Witch's Cottage Witch's Cottage
+2% Synergy $1.04
Minas Morgul, Dark Fortress Minas Morgul, Dark Fortress
+2% Synergy $8.10
Temple of the False God Temple of the False God
0% Synergy $0.13
Crypt of Agadeem Crypt of Agadeem
-1% Synergy $2.82
Shizo, Death's Storehouse Shizo, Death's Storehouse
-1% Synergy $25.21
Barren Moor Barren Moor
-2% Synergy $0.13
Bojuka Bog Bojuka Bog
-5% Synergy $0.93
Castle Locthwain Castle Locthwain
-7% Synergy $3.60
War Room War Room
-7% Synergy $3.03
Reliquary Tower Reliquary Tower
-9% Synergy $1.99
Cabal Stronghold Cabal Stronghold
-10% Synergy $11.96
Takenuma, Abandoned Mire Takenuma, Abandoned Mire
-10% Synergy $7.03
Nykthos, Shrine to Nyx Nykthos, Shrine to Nyx
-11% Synergy $39.21
Phyrexian Tower Phyrexian Tower
-11% Synergy $18.46
Urborg, Tomb of Yawgmoth Urborg, Tomb of Yawgmoth
-16% Synergy $48.20
Cabal Coffers Cabal Coffers
-17% Synergy $22.81

Mana Artifacts

Artifacts focused on mana acceleration and color fixing for consistent gameplay.

Glistening Sphere Glistening Sphere
+32% Synergy $11.33
Patchwork Banner Patchwork Banner
+20% Synergy $4.90
Staff of Compleation Staff of Compleation
+14% Synergy $2.73
Phyrexian Atlas Phyrexian Atlas
+11% Synergy $0.13
Heraldic Banner Heraldic Banner
+9% Synergy $0.27
Gauntlet of Power Gauntlet of Power
+2% Synergy $3.64
Charcoal Diamond Charcoal Diamond
-1% Synergy $0.21
Caged Sun Caged Sun
-1% Synergy $3.55
Commander's Sphere Commander's Sphere
-2% Synergy $0.17
Sol Ring Sol Ring
-8% Synergy $1.46
Arcane Signet Arcane Signet
-13% Synergy $0.49
Mind Stone Mind Stone
-14% Synergy $0.13
Thought Vessel Thought Vessel
-16% Synergy $1.04

Lands

The mana base foundation for Karumonix, the Rat King decks, ensuring smooth and reliable mana development.

Path of Ancestry Path of Ancestry
+28% Synergy $0.16
Cavern of Souls Cavern of Souls
+7% Synergy $35.29
Command Tower Command Tower
+5% Synergy $0.27
Escape Tunnel Escape Tunnel
+5% Synergy $0.28
Evolving Wilds Evolving Wilds
+4% Synergy $0.12
Swamp Swamp
+3% Synergy $0.06
Myriad Landscape Myriad Landscape
-7% Synergy $0.16
Fell the Profane Fell Mire Fell the Profane
-11% Synergy $4.36
Malakir Rebirth Malakir Mire Malakir Rebirth
-13% Synergy $8.78

Similar Commanders

The following Commanders share a similar playing style, strategy, or theme like Karumonix, the Rat King.