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Karumonix, the Rat King: Rats
Price tag $1.38

Legendary CreaturePhyrexian Rat

Magic color symbol for B
Mono-Black

New Cards

Recent-set cards that Karumonix, the Rat King players are trying out in Rats decks.

Arnyn, Deathbloom Botanist Arnyn, Deathbloom Botanist
+3% Synergy $0.30
Pull from the Grave Pull from the Grave
+1% Synergy $0.15
Emeritus of Woe Emeritus of Woe
-4% Synergy $23.13

High Synergy Cards

The highest-synergy picks for Karumonix, the Rat King's Rats builds — cards that lean hardest into the Rats theme.

Blightbelly Rat Blightbelly Rat
+87% Synergy $0.34
Piper of the Swarm Piper of the Swarm
+80% Synergy $2.35
Pack Rat Pack Rat
+77% Synergy $2.82
Ichor Rats Ichor Rats
+76% Synergy $2.27
Ogre Slumlord Ogre Slumlord
+73% Synergy $0.39
Typhoid Rats Typhoid Rats
+72% Synergy $0.27
Rancid Rats Rancid Rats
+69% Synergy $0.34
Lord Skitter, Sewer King Lord Skitter, Sewer King
+69% Synergy $5.06
Lord Skitter's Butcher Lord Skitter's Butcher
+69% Synergy $0.34
Infectious Inquiry Infectious Inquiry
+69% Synergy $0.37

Top Cards

The staple cards most Karumonix, the Rat King Rats decks run as their core.

Marrow-Gnawer Marrow-Gnawer
+69% Synergy $27.22
Septic Rats Septic Rats
+67% Synergy $0.46
Vraska's Fall Vraska's Fall
+65% Synergy $0.36
Tangled Colony Tangled Colony
+64% Synergy $0.52
Crypt Rats Crypt Rats
+61% Synergy $0.43
Drown in Ichor Drown in Ichor
+60% Synergy $0.99
Voracious Vermin Voracious Vermin
+60% Synergy $0.30
Burglar Rat Burglar Rat
+53% Synergy $0.25
Stronghold Rats Stronghold Rats
+52% Synergy $1.04
Dark Ritual Dark Ritual
-10% Synergy $4.19

Game Changers

High-impact bombs that can take over a Karumonix, the Rat King Rats game on their own.

Vampiric Tutor Vampiric Tutor
-5% Synergy $62.01
Demonic Tutor Demonic Tutor
-6% Synergy $70.03
Bolas's Citadel Bolas's Citadel
-14% Synergy $17.35

Creatures

Creatures that carry the Rats plan in Karumonix, the Rat King decks, from early pressure to payoff.

Persistent Marshstalker Persistent Marshstalker
+49% Synergy $0.31
Gnat Miser Gnat Miser
+48% Synergy $0.76
Chittering Skitterling Chittering Skitterling
+47% Synergy $0.17
Wave of Rats Wave of Rats
+46% Synergy $2.76
Rat Colony Rat Colony
+44% Synergy $6.97
Ratcatcher Ratcatcher
+43% Synergy $13.86
Pestilence Rats Pestilence Rats
+38% Synergy $0.34
Swarm of Rats Swarm of Rats
+37% Synergy $2.04
Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm
+36% Synergy $55.34
Nezumi Prowler Nezumi Prowler
+36% Synergy $0.31
Nezumi Informant Nezumi Informant
+34% Synergy $0.39
Nashi, Moon Sage's Scion Nashi, Moon Sage's Scion
+33% Synergy $3.69
Ink-Eyes, Servant of Oni Ink-Eyes, Servant of Oni
+33% Synergy $13.33
Ruin Rat Ruin Rat
+33% Synergy $0.23
Changeling Outcast Changeling Outcast
+32% Synergy $2.20
Chittering Witch Chittering Witch
+32% Synergy $0.28
Old Flitterfang Old Flitterfang
+32% Synergy $0.34
Ruthless Radrat Ruthless Radrat
+32% Synergy $0.32
Ravenous Rats Ravenous Rats
+31% Synergy $0.51
Gnawing Vermin Gnawing Vermin
+30% Synergy $0.28
Nezumi Cutthroat Nezumi Cutthroat
+28% Synergy $0.09
Drainpipe Vermin Drainpipe Vermin
+26% Synergy $0.13
Engine Rat Engine Rat
+26% Synergy $0.29
Throat Slitter Throat Slitter
+24% Synergy $4.37
Twisted Sewer-Witch Twisted Sewer-Witch
+24% Synergy $0.28
Razortooth Rats Razortooth Rats
+24% Synergy $0.13
Innocuous Rat Innocuous Rat
+23% Synergy $0.20
Locust Miser Locust Miser
+21% Synergy $4.88
Rat King, Verminister Rat King, Verminister
+19% Synergy $0.46
Valley Rotcaller Valley Rotcaller
+19% Synergy $2.34
Mukotai Ambusher Mukotai Ambusher
+19% Synergy $0.25
Undercity Dire Rat Undercity Dire Rat
+18% Synergy $0.21
Rat King, Pale Piper Rat King, Pale Piper
+17% Synergy $0.32
Daggerfang Duo Daggerfang Duo
+17% Synergy $0.20
Nezumi Bladeblesser Nezumi Bladeblesser
+16% Synergy $0.10
Species Specialist Species Specialist
+15% Synergy $11.68
Refurbished Familiar Refurbished Familiar
+15% Synergy $0.29
Okiba-Gang Shinobi Okiba-Gang Shinobi
+15% Synergy $1.44
Sinuous Vermin Sinuous Vermin
+15% Synergy $0.24
Rotting Rats Rotting Rats
+14% Synergy $1.30
Nezumi Graverobber Nezumi Graverobber
+14% Synergy $0.55
Skullsnatcher Skullsnatcher
+13% Synergy $1.55
Chittering Rats Chittering Rats
+13% Synergy $0.34
Relentless Rats Relentless Rats
+12% Synergy $5.45
Elephant-Rat Elephant-Rat
+12% Synergy $0.10
Adaptive Automaton Adaptive Automaton
+11% Synergy $0.42
Nezumi Linkbreaker Nezumi Linkbreaker
+10% Synergy $0.22
Ayara, First of Locthwain Ayara, First of Locthwain
-3% Synergy $9.63
Crypt Ghast Crypt Ghast
-32% Synergy $17.79
Gray Merchant of Asphodel Gray Merchant of Asphodel
-33% Synergy $4.18

Instants

Instant-speed interaction and tricks that keep Karumonix, the Rat King's Rats deck ahead.

Whisper of the Dross Whisper of the Dross
+51% Synergy $0.32
Rat Out Rat Out
+31% Synergy $0.26
Grim Affliction Grim Affliction
+28% Synergy $0.40
Village Rites Village Rites
+19% Synergy $0.74
Anoint with Affliction Anoint with Affliction
+19% Synergy $0.22
Tainted Strike Tainted Strike
+18% Synergy $3.37
Corrupted Conviction Corrupted Conviction
+12% Synergy $0.30
Foul-Tongue Shriek Foul-Tongue Shriek
+12% Synergy $0.24
Raise the Draugr Raise the Draugr
+12% Synergy $0.27
Virulent Wound Virulent Wound
+10% Synergy $0.33
Go for the Throat Go for the Throat
+9% Synergy $0.61
Murder Murder
+9% Synergy $0.12
Gravepurge Gravepurge
+8% Synergy $0.30
Unbury Unbury
+6% Synergy $0.22
Death Denied Death Denied
+6% Synergy $0.24
Defile Defile
+5% Synergy $1.37
Doom Blade Doom Blade
+4% Synergy $0.29
Altar's Reap Altar's Reap
+4% Synergy $0.43
Offer Immortality Offer Immortality
+4% Synergy $0.30
Hero's Downfall Hero's Downfall
+3% Synergy $0.26
Consuming Corruption Consuming Corruption
-1% Synergy $0.32
Bitter Triumph Bitter Triumph
-1% Synergy $1.28
Sudden Spoiling Sudden Spoiling
-1% Synergy $7.76
Tragic Slip Tragic Slip
-2% Synergy $0.28
Feign Death Feign Death
-3% Synergy $1.03
Baleful Mastery Baleful Mastery
-3% Synergy $4.03
Not Dead After All Not Dead After All
-4% Synergy $1.73
Deadly Dispute Deadly Dispute
-9% Synergy $0.38
Infernal Grasp Infernal Grasp
-9% Synergy $0.28
Sheoldred's Edict Sheoldred's Edict
-9% Synergy $1.26
Fell the Profane Fell Mire Fell the Profane
-10% Synergy $3.00
Deadly Rollick Deadly Rollick
-12% Synergy $26.21
Malakir Rebirth Malakir Mire Malakir Rebirth
-13% Synergy $12.67
Cabal Ritual Cabal Ritual
-13% Synergy $15.78
Withering Torment Withering Torment
-16% Synergy $3.27

Sorceries

Sorceries that push the Rats game plan forward for Karumonix, the Rat King.

Phyresis Outbreak Phyresis Outbreak
+48% Synergy $14.27
Revenge of the Rats Revenge of the Rats
+36% Synergy $0.37
Crippling Fear Crippling Fear
+33% Synergy $2.44
Vat Emergence Vat Emergence
+30% Synergy $0.29
Patriarch's Bidding Patriarch's Bidding
+27% Synergy $5.14
Swarmyard Massacre Swarmyard Massacre
+23% Synergy $2.79
Kindred Dominance Kindred Dominance
+21% Synergy $16.88
Spread the Sickness Spread the Sickness
+21% Synergy $0.13
Feed the Infection Feed the Infection
+16% Synergy $0.23
Bloodline Bidding Bloodline Bidding
+13% Synergy $2.70
Plague of Vermin Plague of Vermin
+12% Synergy $25.34
Caress of Phyrexia Caress of Phyrexia
+11% Synergy $0.33
Geth's Summons Geth's Summons
+10% Synergy $0.53
Lab Rats Lab Rats
+10% Synergy $1.27
Gruesome Fate Gruesome Fate
+8% Synergy $1.11
Return from Extinction Return from Extinction
+7% Synergy $0.27
Echoing Return Echoing Return
+6% Synergy $0.23
Pact of the Serpent Pact of the Serpent
+6% Synergy $0.70
Unearth Unearth
+5% Synergy $0.48
Forever Young Forever Young
+5% Synergy $0.16
Haunting Voyage Haunting Voyage
+5% Synergy $0.34
Psychic Whorl Psychic Whorl
+5% Synergy $0.22
Fell Fell
+4% Synergy $0.35
Splinter's Technique Splinter's Technique
+3% Synergy $2.46
Read the Bones Read the Bones
+2% Synergy $0.31
Eaten Alive Eaten Alive
+2% Synergy $0.10
Diabolic Tutor Diabolic Tutor
-2% Synergy $2.09
Insatiable Avarice Insatiable Avarice
-3% Synergy $5.63
Sign in Blood Sign in Blood
-4% Synergy $2.85
Diabolic Intent Diabolic Intent
-6% Synergy $16.10
Mutilate Mutilate
-7% Synergy $1.97
Night's Whisper Night's Whisper
-8% Synergy $0.31
Damnation Damnation
-8% Synergy $21.38
Feed the Swarm Feed the Swarm
-10% Synergy $0.33
Bubbling Muck Bubbling Muck
-10% Synergy $2.59
Victimize Victimize
-16% Synergy $2.02
Toxic Deluge Toxic Deluge
-25% Synergy $4.98
Reanimate Reanimate
-31% Synergy $8.59

Utility Artifacts

Artifacts that add consistency and utility to Karumonix, the Rat King Rats decks.

Herald's Horn Herald's Horn
+39% Synergy $4.72
Contagion Clasp Contagion Clasp
+31% Synergy $0.37
Vanquisher's Banner Vanquisher's Banner
+27% Synergy $3.81
Bontu's Monument Bontu's Monument
+26% Synergy $5.36
Skullclamp Skullclamp
+14% Synergy $6.62
Contagion Engine Contagion Engine
+14% Synergy $16.73
Banner of Kinship Banner of Kinship
+14% Synergy $5.68
Door of Destinies Door of Destinies
+11% Synergy $10.94
Icon of Ancestry Icon of Ancestry
+11% Synergy $0.32
Coat of Arms Coat of Arms
+10% Synergy $17.99
Prosthetic Injector Prosthetic Injector
+9% Synergy $0.11
Grafted Exoskeleton Grafted Exoskeleton
+8% Synergy $5.25
Chronicle of Victory Chronicle of Victory
+7% Synergy $19.63
Thrumming Stone Thrumming Stone
+6% Synergy $21.84
Hall of Triumph Hall of Triumph
+6% Synergy $0.37
Sword of the Squeak Sword of the Squeak
+5% Synergy $0.35
Sword of Truth and Justice Sword of Truth and Justice
+5% Synergy $32.99
Eldrazi Monument Eldrazi Monument
+4% Synergy $7.56
Obelisk of Urd Obelisk of Urd
+4% Synergy $3.19
Vat of Rebirth Vat of Rebirth
+3% Synergy $0.29
Thornbite Staff Thornbite Staff
+2% Synergy $19.92
Whip of Erebos Whip of Erebos
+1% Synergy $6.79
Wayfarer's Bauble Wayfarer's Bauble
-8% Synergy $0.32
Jet Medallion Jet Medallion
-9% Synergy $10.47
Swiftfoot Boots Swiftfoot Boots
-11% Synergy $2.99
The Darkness Crystal The Darkness Crystal
-11% Synergy $4.97
Ashnod's Altar Ashnod's Altar
-14% Synergy $15.31
Lightning Greaves Lightning Greaves
-21% Synergy $3.93

Enchantments

Enchantments that reinforce the Rats strategy in Karumonix, the Rat King decks.

Necrogen Communion Necrogen Communion
+41% Synergy $0.33
Cover of Darkness Cover of Darkness
+27% Synergy $18.09
Bad Moon Bad Moon
+21% Synergy $1.72
Haunted One Haunted One
+21% Synergy $5.99
Phyresis Phyresis
+20% Synergy $3.18
Oversold Cemetery Oversold Cemetery
+18% Synergy $2.58
Tribute to Horobi Echo of Death's Wail Tribute to Horobi
+15% Synergy $0.26
Lord Skitter's Blessing Lord Skitter's Blessing
+10% Synergy $0.41
Intimidation Intimidation
+7% Synergy $1.02
Vampiric Rites Vampiric Rites
+6% Synergy $0.17
Relic Putrescence Relic Putrescence
+5% Synergy $0.18
Dark Prophecy Dark Prophecy
+3% Synergy $6.30
Grave Pact Grave Pact
-2% Synergy $29.50
Phyrexian Arena Phyrexian Arena
-3% Synergy $4.02
Phyrexian Reclamation Phyrexian Reclamation
-3% Synergy $2.52
Dictate of Erebos Dictate of Erebos
-4% Synergy $18.56
Black Market Black Market
-5% Synergy $5.25
Black Market Connections Black Market Connections
-9% Synergy $18.31
The Meathook Massacre The Meathook Massacre
-12% Synergy $24.87

Planeswalkers

Planeswalkers that back up Karumonix, the Rat King's Rats game plan.

Vraska, Betrayal's Sting Vraska, Betrayal's Sting
+28% Synergy $0.97
Liliana of the Dark Realms Liliana of the Dark Realms
-3% Synergy $11.60

Utility Lands

Non-basic lands that pull extra weight in Karumonix, the Rat King Rats decks.

Swarmyard Swarmyard
+48% Synergy $4.74
Karn's Bastion Karn's Bastion
+46% Synergy $2.16
Mudflat Village Mudflat Village
+37% Synergy $0.33
Rogue's Passage Rogue's Passage
+21% Synergy $0.36
Access Tunnel Access Tunnel
+14% Synergy $0.38
Mortuary Mire Mortuary Mire
+13% Synergy $0.35
Three Tree City Three Tree City
+13% Synergy $24.13
Witch's Cottage Witch's Cottage
+9% Synergy $1.00
Secret Tunnel Secret Tunnel
+8% Synergy $2.74
The Dross Pits The Dross Pits
+5% Synergy $0.25
Bojuka Bog Bojuka Bog
+3% Synergy $0.63
Minas Morgul, Dark Fortress Minas Morgul, Dark Fortress
+3% Synergy $17.43
Shizo, Death's Storehouse Shizo, Death's Storehouse
+1% Synergy $38.10
Temple of the False God Temple of the False God
+1% Synergy $0.32
Barren Moor Barren Moor
0% Synergy $0.37
Crypt of Agadeem Crypt of Agadeem
-1% Synergy $1.85
Castle Locthwain Castle Locthwain
-5% Synergy $4.00
War Room War Room
-5% Synergy $1.99
Reliquary Tower Reliquary Tower
-8% Synergy $2.76
Cabal Stronghold Cabal Stronghold
-9% Synergy $13.47
Takenuma, Abandoned Mire Takenuma, Abandoned Mire
-9% Synergy $11.57
Nykthos, Shrine to Nyx Nykthos, Shrine to Nyx
-11% Synergy $49.84
Phyrexian Tower Phyrexian Tower
-11% Synergy $26.16
Urborg, Tomb of Yawgmoth Urborg, Tomb of Yawgmoth
-16% Synergy $57.13
Cabal Coffers Cabal Coffers
-19% Synergy $29.69

Mana Artifacts

Mana rocks and fixing to power out Karumonix, the Rat King's Rats strategy.

Glistening Sphere Glistening Sphere
+38% Synergy $14.80
Patchwork Banner Patchwork Banner
+24% Synergy $1.91
Staff of Compleation Staff of Compleation
+14% Synergy $4.17
Phyrexian Atlas Phyrexian Atlas
+11% Synergy $0.25
Heraldic Banner Heraldic Banner
+8% Synergy $0.33
Gauntlet of Power Gauntlet of Power
+2% Synergy $3.70
Charcoal Diamond Charcoal Diamond
+1% Synergy $0.32
Commander's Sphere Commander's Sphere
0% Synergy $0.25
Caged Sun Caged Sun
-1% Synergy $3.83
Throne of Eldraine Throne of Eldraine
-4% Synergy $36.37
Sol Ring Sol Ring
-5% Synergy $1.40
The Soul Stone The Soul Stone
-7% Synergy $84.04
Arcane Signet Arcane Signet
-9% Synergy $0.46
Mind Stone Mind Stone
-10% Synergy $0.34
Thought Vessel Thought Vessel
-15% Synergy $2.60

Lands

The mana base behind Karumonix, the Rat King's Rats decks.

Path of Ancestry Path of Ancestry
+32% Synergy $0.32
Cavern of Souls Cavern of Souls
+8% Synergy $49.78
Command Tower Command Tower
+7% Synergy $0.25
Big Apple, 3 a.m. Big Apple, 3 a.m.
+7% Synergy $0.39
Escape Tunnel Escape Tunnel
+7% Synergy $0.24
Evolving Wilds Evolving Wilds
+4% Synergy $0.39
Swamp Swamp
+3% Synergy $0.07
Myriad Landscape Myriad Landscape
-2% Synergy $0.24
Fell the Profane Fell Mire Fell the Profane
-10% Synergy $3.00
Malakir Rebirth Malakir Mire Malakir Rebirth
-13% Synergy $12.67

Similar Commanders

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