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Launch

Karumonix, the Rat King
Price tag $1.07

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

#505 Current Rank
#548 Last Week
#383 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.

Rat King, Verminister Rat King, Verminister
+22% Synergy $0.89
Rat King, Pale Piper Rat King, Pale Piper
+20% Synergy $0.39
Big Apple, 3 a.m. Big Apple, 3 a.m.
+7% Synergy $0.41
Tunnel Rats Tunnel Rats
+4% Synergy $0.13
Splinter's Technique Splinter's Technique
+1% Synergy $2.04

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
+74% Synergy $2.04
Blightbelly Rat Blightbelly Rat
+73% Synergy $0.33
Marrow-Gnawer Marrow-Gnawer
+70% Synergy $24.75
Pack Rat Pack Rat
+67% Synergy $2.71
Ogre Slumlord Ogre Slumlord
+65% Synergy $0.30
Ichor Rats Ichor Rats
+64% Synergy $1.78
Lord Skitter, Sewer King Lord Skitter, Sewer King
+59% Synergy $6.78
Infectious Inquiry Infectious Inquiry
+57% Synergy $0.35
Typhoid Rats Typhoid Rats
+56% Synergy $0.32
Vraska's Fall Vraska's Fall
+55% Synergy $0.32

Top Cards

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

Rancid Rats Rancid Rats
+53% Synergy $0.26
Lord Skitter's Butcher Lord Skitter's Butcher
+52% Synergy $0.30
Tangled Colony Tangled Colony
+51% Synergy $0.50
Septic Rats Septic Rats
+51% Synergy $0.55
Rat Colony Rat Colony
+50% Synergy $7.52
Drown in Ichor Drown in Ichor
+50% Synergy $0.98
Crypt Rats Crypt Rats
+49% Synergy $0.45
Bontu's Monument Bontu's Monument
+25% Synergy $6.04
Dark Ritual Dark Ritual
-10% Synergy $6.77
Jet Medallion Jet Medallion
-10% Synergy $10.56

Game Changers

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

Demonic Tutor Demonic Tutor
-6% Synergy $68.64
Vampiric Tutor Vampiric Tutor
-6% Synergy $63.51
Bolas's Citadel Bolas's Citadel
-14% Synergy $17.39

Creatures

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

Voracious Vermin Voracious Vermin
+45% Synergy $0.33
Persistent Marshstalker Persistent Marshstalker
+41% Synergy $0.27
Burglar Rat Burglar Rat
+39% Synergy $0.21
Stronghold Rats Stronghold Rats
+39% Synergy $1.22
Gnat Miser Gnat Miser
+38% Synergy $0.93
Chittering Skitterling Chittering Skitterling
+38% Synergy $0.11
Ratcatcher Ratcatcher
+36% Synergy $13.86
Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm
+35% Synergy $58.59
Wave of Rats Wave of Rats
+33% Synergy $2.82
Swarm of Rats Swarm of Rats
+32% Synergy $2.14
Pestilence Rats Pestilence Rats
+30% Synergy $0.35
Nezumi Prowler Nezumi Prowler
+27% Synergy $0.30
Ruin Rat Ruin Rat
+27% Synergy $0.23
Chittering Witch Chittering Witch
+26% Synergy $0.30
Ink-Eyes, Servant of Oni Ink-Eyes, Servant of Oni
+26% Synergy $12.92
Ravenous Rats Ravenous Rats
+25% Synergy $0.50
Nashi, Moon Sage's Scion Nashi, Moon Sage's Scion
+24% Synergy $3.72
Changeling Outcast Changeling Outcast
+23% Synergy $1.89
Engine Rat Engine Rat
+22% Synergy $0.26
Gnawing Vermin Gnawing Vermin
+22% Synergy $0.28
Nezumi Cutthroat Nezumi Cutthroat
+22% Synergy $0.11
Nezumi Informant Nezumi Informant
+21% Synergy $0.31
Drainpipe Vermin Drainpipe Vermin
+21% Synergy $0.14
Old Flitterfang Old Flitterfang
+21% Synergy $0.31
Twisted Sewer-Witch Twisted Sewer-Witch
+20% Synergy $0.25
Razortooth Rats Razortooth Rats
+20% Synergy $0.12
Valley Rotcaller Valley Rotcaller
+19% Synergy $1.83
Ruthless Radrat Ruthless Radrat
+19% Synergy $0.32
Throat Slitter Throat Slitter
+18% Synergy $4.50
Relentless Rats Relentless Rats
+18% Synergy $5.57
Undercity Dire Rat Undercity Dire Rat
+17% Synergy $0.16
Locust Miser Locust Miser
+17% Synergy $4.89
Species Specialist Species Specialist
+15% Synergy $11.60
Innocuous Rat Innocuous Rat
+14% Synergy $0.13
Mukotai Ambusher Mukotai Ambusher
+14% Synergy $0.23
Nezumi Graverobber Nezumi Graverobber
+13% Synergy $0.57
Nezumi Bladeblesser Nezumi Bladeblesser
+12% Synergy $0.08
Sinuous Vermin Sinuous Vermin
+12% Synergy $0.24
Rotting Rats Rotting Rats
+11% Synergy $1.36
Refurbished Familiar Refurbished Familiar
+11% Synergy $0.29
Daggerfang Duo Daggerfang Duo
+10% Synergy $0.07
Skullsnatcher Skullsnatcher
+10% Synergy $1.54
Okiba-Gang Shinobi Okiba-Gang Shinobi
+9% Synergy $1.67
Chittering Rats Chittering Rats
+9% Synergy $0.34
Adaptive Automaton Adaptive Automaton
+8% Synergy $0.39
Thornplate Intimidator Thornplate Intimidator
+8% Synergy $0.07
Bog Rats Bog Rats
+8% Synergy $0.15
Ayara, First of Locthwain Ayara, First of Locthwain
-4% Synergy $8.70
Crypt Ghast Crypt Ghast
-31% Synergy $16.99
Gray Merchant of Asphodel Gray Merchant of Asphodel
-34% Synergy $3.61

Instants

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

Whisper of the Dross Whisper of the Dross
+43% Synergy $0.35
Grim Affliction Grim Affliction
+26% Synergy $0.48
Rat Out Rat Out
+26% Synergy $0.27
Tainted Strike Tainted Strike
+16% Synergy $3.55
Anoint with Affliction Anoint with Affliction
+15% Synergy $0.25
Village Rites Village Rites
+14% Synergy $0.86
Foul-Tongue Shriek Foul-Tongue Shriek
+11% Synergy $0.19
Murder Murder
+9% Synergy $0.15
Corrupted Conviction Corrupted Conviction
+8% Synergy $0.39
Gravepurge Gravepurge
+8% Synergy $0.23
Raise the Draugr Raise the Draugr
+8% Synergy $0.23
Virulent Wound Virulent Wound
+8% Synergy $0.32
Go for the Throat Go for the Throat
+6% Synergy $0.59
Offer Immortality Offer Immortality
+4% Synergy $0.25
Death Denied Death Denied
+4% Synergy $0.21
Altar's Reap Altar's Reap
+3% Synergy $0.45
Hero's Downfall Hero's Downfall
+2% Synergy $0.27
Doom Blade Doom Blade
+2% Synergy $0.28
Defile Defile
-1% Synergy $1.33
Sudden Spoiling Sudden Spoiling
-3% Synergy $8.59
Tragic Slip Tragic Slip
-4% Synergy $0.33
Bitter Triumph Bitter Triumph
-4% Synergy $1.66
Consuming Corruption Consuming Corruption
-5% Synergy $0.21
Deadly Dispute Deadly Dispute
-6% Synergy $0.35
Not Dead After All Not Dead After All
-6% Synergy $1.89
Infernal Grasp Infernal Grasp
-9% Synergy $0.29
Deadly Rollick Deadly Rollick
-10% Synergy $26.25
Fell the Profane Fell Mire Fell the Profane
-11% Synergy $3.06
Cabal Ritual Cabal Ritual
-12% Synergy $13.64
Malakir Rebirth Malakir Mire Malakir Rebirth
-14% Synergy $13.87
Withering Torment Withering Torment
-17% Synergy $3.48

Sorceries

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

Phyresis Outbreak Phyresis Outbreak
+39% Synergy $14.68
Revenge of the Rats Revenge of the Rats
+36% Synergy $0.33
Crippling Fear Crippling Fear
+28% Synergy $1.62
Patriarch's Bidding Patriarch's Bidding
+25% Synergy $5.30
Vat Emergence Vat Emergence
+25% Synergy $0.32
Kindred Dominance Kindred Dominance
+21% Synergy $17.13
Spread the Sickness Spread the Sickness
+18% Synergy $0.13
Swarmyard Massacre Swarmyard Massacre
+17% Synergy $1.84
Bloodline Bidding Bloodline Bidding
+15% Synergy $1.65
Feed the Infection Feed the Infection
+12% Synergy $0.15
Echoing Return Echoing Return
+10% Synergy $0.19
Plague of Vermin Plague of Vermin
+9% Synergy $25.36
Geth's Summons Geth's Summons
+9% Synergy $0.50
Gruesome Fate Gruesome Fate
+8% Synergy $1.05
Caress of Phyrexia Caress of Phyrexia
+8% Synergy $0.32
Lab Rats Lab Rats
+8% Synergy $1.10
Return from Extinction Return from Extinction
+6% Synergy $0.30
Pact of the Serpent Pact of the Serpent
+5% Synergy $0.59
Forever Young Forever Young
+5% Synergy $0.24
Haunting Voyage Haunting Voyage
+4% Synergy $0.37
Fell Fell
+3% Synergy $0.36
Unearth Unearth
+2% Synergy $0.54
In Garruk's Wake In Garruk's Wake
+1% Synergy $1.63
Diabolic Tutor Diabolic Tutor
0% Synergy $2.07
Read the Bones Read the Bones
-2% Synergy $0.26
Diabolic Intent Diabolic Intent
-4% Synergy $16.33
Grim Tutor Grim Tutor
-5% Synergy $26.21
Sign in Blood Sign in Blood
-6% Synergy $2.68
Insatiable Avarice Insatiable Avarice
-6% Synergy $5.10
Night's Whisper Night's Whisper
-9% Synergy $0.27
Mutilate Mutilate
-9% Synergy $1.86
Damnation Damnation
-10% Synergy $20.57
Bubbling Muck Bubbling Muck
-10% Synergy $3.53
Feed the Swarm Feed the Swarm
-14% Synergy $0.38
Victimize Victimize
-15% Synergy $1.20
Toxic Deluge Toxic Deluge
-26% Synergy $4.74
Reanimate Reanimate
-31% Synergy $9.11

Utility Artifacts

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

Herald's Horn Herald's Horn
+39% Synergy $4.87
Vanquisher's Banner Vanquisher's Banner
+27% Synergy $4.39
Contagion Clasp Contagion Clasp
+25% Synergy $0.35
Thrumming Stone Thrumming Stone
+18% Synergy $19.33
Contagion Engine Contagion Engine
+13% Synergy $17.44
Coat of Arms Coat of Arms
+12% Synergy $17.39
Skullclamp Skullclamp
+11% Synergy $5.69
Door of Destinies Door of Destinies
+10% Synergy $11.10
Banner of Kinship Banner of Kinship
+10% Synergy $5.27
Icon of Ancestry Icon of Ancestry
+10% Synergy $0.49
Chronicle of Victory Chronicle of Victory
+9% Synergy $18.69
Grafted Exoskeleton Grafted Exoskeleton
+7% Synergy $6.06
Prosthetic Injector Prosthetic Injector
+7% Synergy $0.11
Eldrazi Monument Eldrazi Monument
+6% Synergy $6.90
Gathering Stone Gathering Stone
+5% Synergy $0.62
Sword of the Squeak Sword of the Squeak
+5% Synergy $0.36
Thornbite Staff Thornbite Staff
+3% Synergy $23.87
Whip of Erebos Whip of Erebos
+1% Synergy $6.76
Wayfarer's Bauble Wayfarer's Bauble
-9% Synergy $0.30
The Darkness Crystal The Darkness Crystal
-10% Synergy $5.17
Ashnod's Altar Ashnod's Altar
-12% Synergy $15.53
Swiftfoot Boots Swiftfoot Boots
-13% Synergy $1.85
Lightning Greaves Lightning Greaves
-19% Synergy $3.70

Enchantments

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

Necrogen Communion Necrogen Communion
+34% Synergy $0.32
Cover of Darkness Cover of Darkness
+28% Synergy $16.77
Bad Moon Bad Moon
+18% Synergy $1.76
Phyresis Phyresis
+16% Synergy $2.97
Haunted One Haunted One
+15% Synergy $5.75
Oversold Cemetery Oversold Cemetery
+13% Synergy $1.97
Tribute to Horobi Echo of Death's Wail Tribute to Horobi
+12% Synergy $0.22
Lord Skitter's Blessing Lord Skitter's Blessing
+8% Synergy $0.38
Intimidation Intimidation
+6% Synergy $1.01
Vampiric Rites Vampiric Rites
+4% Synergy $0.17
Dark Prophecy Dark Prophecy
+1% Synergy $5.35
Grave Pact Grave Pact
-2% Synergy $30.17
Phyrexian Arena Phyrexian Arena
-4% Synergy $4.09
Dictate of Erebos Dictate of Erebos
-4% Synergy $21.12
Phyrexian Reclamation Phyrexian Reclamation
-4% Synergy $2.07
Black Market Black Market
-5% Synergy $5.00
Black Market Connections Black Market Connections
-10% Synergy $16.90
The Meathook Massacre The Meathook Massacre
-11% Synergy $25.91

Planeswalkers

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

Vraska, Betrayal's Sting Vraska, Betrayal's Sting
+25% Synergy $0.95
Liliana of the Dark Realms Liliana of the Dark Realms
-5% Synergy $11.12

Utility Lands

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

Swarmyard Swarmyard
+48% Synergy $4.31
Karn's Bastion Karn's Bastion
+39% Synergy $1.86
Mudflat Village Mudflat Village
+31% Synergy $0.38
Rogue's Passage Rogue's Passage
+17% Synergy $0.30
Three Tree City Three Tree City
+14% Synergy $24.40
Access Tunnel Access Tunnel
+11% Synergy $0.42
Mortuary Mire Mortuary Mire
+9% Synergy $0.41
Secret Tunnel Secret Tunnel
+7% Synergy $2.36
The Dross Pits The Dross Pits
+4% Synergy $0.22
Witch's Cottage Witch's Cottage
+1% Synergy $0.79
Temple of the False God Temple of the False God
0% Synergy $1.13
Crypt of Agadeem Crypt of Agadeem
-1% Synergy $1.12
Barren Moor Barren Moor
-1% Synergy $0.30
Shizo, Death's Storehouse Shizo, Death's Storehouse
-2% Synergy $34.72
Bojuka Bog Bojuka Bog
-6% Synergy $0.57
Castle Locthwain Castle Locthwain
-6% Synergy $3.96
War Room War Room
-7% Synergy $2.36
Reliquary Tower Reliquary Tower
-8% Synergy $2.65
Cabal Stronghold Cabal Stronghold
-10% Synergy $13.70
Takenuma, Abandoned Mire Takenuma, Abandoned Mire
-10% Synergy $11.36
Nykthos, Shrine to Nyx Nykthos, Shrine to Nyx
-11% Synergy $51.64
Phyrexian Tower Phyrexian Tower
-12% Synergy $23.89
Cabal Coffers Cabal Coffers
-16% Synergy $29.55
Urborg, Tomb of Yawgmoth Urborg, Tomb of Yawgmoth
-16% Synergy $59.22

Mana Artifacts

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

Glistening Sphere Glistening Sphere
+28% Synergy $14.19
Patchwork Banner Patchwork Banner
+19% Synergy $2.03
Staff of Compleation Staff of Compleation
+14% Synergy $4.92
Phyrexian Atlas Phyrexian Atlas
+10% Synergy $0.22
Heraldic Banner Heraldic Banner
+9% Synergy $0.35
Gauntlet of Power Gauntlet of Power
+2% Synergy $3.62
Charcoal Diamond Charcoal Diamond
-1% Synergy $0.36
Commander's Sphere Commander's Sphere
-1% Synergy $0.34
Caged Sun Caged Sun
-2% Synergy $3.87
Sol Ring Sol Ring
-8% Synergy $1.19
The Soul Stone The Soul Stone
-8% Synergy $70.71
Arcane Signet Arcane Signet
-13% Synergy $0.43
Mind Stone Mind Stone
-13% Synergy $0.33
Thought Vessel Thought Vessel
-15% Synergy $2.89

Lands

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

Path of Ancestry Path of Ancestry
+27% Synergy $0.26
Cavern of Souls Cavern of Souls
+7% Synergy $48.51
Command Tower Command Tower
+5% Synergy $0.26
Escape Tunnel Escape Tunnel
+5% Synergy $0.25
Evolving Wilds Evolving Wilds
+3% Synergy $0.23
Swamp Swamp
+2% Synergy $0.09
Myriad Landscape Myriad Landscape
-7% Synergy $0.27
Fell the Profane Fell Mire Fell the Profane
-11% Synergy $3.06
Malakir Rebirth Malakir Mire Malakir Rebirth
-14% Synergy $13.87

Similar Commanders

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