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Karumonix, the Rat King: Infect
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 Infect decks.

Arnyn, Deathbloom Botanist Arnyn, Deathbloom Botanist
-1% Synergy $0.30
Ral Zarek, Guest Lecturer Ral Zarek, Guest Lecturer
-1% Synergy $3.83
Withering Curse Withering Curse
-1% Synergy $2.06
Decorum Dissertation Decorum Dissertation
-2% Synergy $10.49
Grave Researcher Grave Researcher
-6% Synergy $3.39

High Synergy Cards

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

Blightbelly Rat Blightbelly Rat
+88% Synergy $0.34
Piper of the Swarm Piper of the Swarm
+82% Synergy $2.35
Ichor Rats Ichor Rats
+80% Synergy $2.27
Infectious Inquiry Infectious Inquiry
+79% Synergy $0.37
Pack Rat Pack Rat
+74% Synergy $2.82
Ogre Slumlord Ogre Slumlord
+73% Synergy $0.39
Marrow-Gnawer Marrow-Gnawer
+72% Synergy $27.22
Vraska's Fall Vraska's Fall
+71% Synergy $0.36
Septic Rats Septic Rats
+70% Synergy $0.46
Drown in Ichor Drown in Ichor
+70% Synergy $0.99

Top Cards

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

Lord Skitter, Sewer King Lord Skitter, Sewer King
+68% Synergy $5.06
Rancid Rats Rancid Rats
+68% Synergy $0.34
Typhoid Rats Typhoid Rats
+64% Synergy $0.27
Lord Skitter's Butcher Lord Skitter's Butcher
+64% Synergy $0.34
Tangled Colony Tangled Colony
+60% Synergy $0.52
Whisper of the Dross Whisper of the Dross
+57% Synergy $0.32
Phyresis Outbreak Phyresis Outbreak
+57% Synergy $14.27
Crypt Rats Crypt Rats
+55% Synergy $0.43
Voracious Vermin Voracious Vermin
+52% Synergy $0.30
Dark Ritual Dark Ritual
-5% Synergy $4.19

Game Changers

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

Vampiric Tutor Vampiric Tutor
-9% Synergy $62.01
Demonic Tutor Demonic Tutor
-10% Synergy $70.03
Bolas's Citadel Bolas's Citadel
-16% Synergy $17.35

Creatures

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

Stronghold Rats Stronghold Rats
+50% Synergy $1.04
Persistent Marshstalker Persistent Marshstalker
+45% Synergy $0.31
Chittering Skitterling Chittering Skitterling
+45% Synergy $0.17
Gnat Miser Gnat Miser
+44% Synergy $0.76
Burglar Rat Burglar Rat
+43% Synergy $0.25
Wave of Rats Wave of Rats
+43% Synergy $2.76
Ratcatcher Ratcatcher
+39% Synergy $13.86
Changeling Outcast Changeling Outcast
+37% Synergy $2.20
Rat Colony Rat Colony
+34% Synergy $6.97
Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm
+32% Synergy $55.34
Nezumi Prowler Nezumi Prowler
+32% Synergy $0.31
Pestilence Rats Pestilence Rats
+31% Synergy $0.34
Ruin Rat Ruin Rat
+31% Synergy $0.23
Nezumi Cutthroat Nezumi Cutthroat
+30% Synergy $0.09
Chittering Witch Chittering Witch
+28% Synergy $0.28
Ink-Eyes, Servant of Oni Ink-Eyes, Servant of Oni
+28% Synergy $13.33
Swarm of Rats Swarm of Rats
+28% Synergy $2.04
Nashi, Moon Sage's Scion Nashi, Moon Sage's Scion
+28% Synergy $3.69
Nezumi Informant Nezumi Informant
+27% Synergy $0.39
Engine Rat Engine Rat
+27% Synergy $0.29
Throat Slitter Throat Slitter
+25% Synergy $4.37
Ravenous Rats Ravenous Rats
+25% Synergy $0.51
Drainpipe Vermin Drainpipe Vermin
+24% Synergy $0.13
Gnawing Vermin Gnawing Vermin
+24% Synergy $0.28
Rat King, Pale Piper Rat King, Pale Piper
+23% Synergy $0.32
Twisted Sewer-Witch Twisted Sewer-Witch
+23% Synergy $0.28
Old Flitterfang Old Flitterfang
+23% Synergy $0.34
Ruthless Radrat Ruthless Radrat
+22% Synergy $0.32
Razortooth Rats Razortooth Rats
+21% Synergy $0.13
Rat King, Verminister Rat King, Verminister
+20% Synergy $0.46
Valley Rotcaller Valley Rotcaller
+18% Synergy $2.34
Locust Miser Locust Miser
+18% Synergy $4.88
Undercity Dire Rat Undercity Dire Rat
+18% Synergy $0.21
Mukotai Ambusher Mukotai Ambusher
+16% Synergy $0.25
Species Specialist Species Specialist
+15% Synergy $11.68
Rotting Rats Rotting Rats
+15% Synergy $1.30
Sinuous Vermin Sinuous Vermin
+15% Synergy $0.24
Nezumi Graverobber Nezumi Graverobber
+14% Synergy $0.55
Innocuous Rat Innocuous Rat
+14% Synergy $0.20
Okiba-Gang Shinobi Okiba-Gang Shinobi
+14% Synergy $1.44
Skullsnatcher Skullsnatcher
+13% Synergy $1.55
Nezumi Bladeblesser Nezumi Bladeblesser
+13% Synergy $0.10
Refurbished Familiar Refurbished Familiar
+12% Synergy $0.29
Elephant-Rat Elephant-Rat
+12% Synergy $0.10
Chittering Rats Chittering Rats
+11% Synergy $0.34
Adaptive Automaton Adaptive Automaton
+10% Synergy $0.42
Relentless Rats Relentless Rats
+9% Synergy $5.45
Ayara, First of Locthwain Ayara, First of Locthwain
-7% Synergy $9.63
Crypt Ghast Crypt Ghast
-31% Synergy $17.79
Gray Merchant of Asphodel Gray Merchant of Asphodel
-35% Synergy $4.18

Instants

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

Grim Affliction Grim Affliction
+38% Synergy $0.40
Tainted Strike Tainted Strike
+30% Synergy $3.37
Rat Out Rat Out
+27% Synergy $0.26
Anoint with Affliction Anoint with Affliction
+25% Synergy $0.22
Virulent Wound Virulent Wound
+18% Synergy $0.33
Village Rites Village Rites
+15% Synergy $0.74
Corrupted Conviction Corrupted Conviction
+11% Synergy $0.30
Raise the Draugr Raise the Draugr
+10% Synergy $0.27
Foul-Tongue Shriek Foul-Tongue Shriek
+9% Synergy $0.24
Gravepurge Gravepurge
+8% Synergy $0.30
Go for the Throat Go for the Throat
+6% Synergy $0.61
Murder Murder
+6% Synergy $0.12
Offer Immortality Offer Immortality
+5% Synergy $0.30
Unbury Unbury
+4% Synergy $0.22
Altar's Reap Altar's Reap
+3% Synergy $0.43
Hero's Downfall Hero's Downfall
+2% Synergy $0.26
Defile Defile
+1% Synergy $1.37
Doom Blade Doom Blade
+1% Synergy $0.29
Tragic Slip Tragic Slip
-2% Synergy $0.28
Bitter Triumph Bitter Triumph
-2% Synergy $1.28
Sudden Spoiling Sudden Spoiling
-2% Synergy $7.76
Feign Death Feign Death
-2% Synergy $1.03
Not Dead After All Not Dead After All
-3% Synergy $1.73
Baleful Mastery Baleful Mastery
-3% Synergy $4.03
Undying Malice Undying Malice
-4% Synergy $0.37
Fell the Profane Fell Mire Fell the Profane
-5% Synergy $3.00
Consuming Corruption Consuming Corruption
-5% Synergy $0.32
Deadly Dispute Deadly Dispute
-6% Synergy $0.38
Infernal Grasp Infernal Grasp
-8% Synergy $0.28
Sheoldred's Edict Sheoldred's Edict
-9% Synergy $1.26
Malakir Rebirth Malakir Mire Malakir Rebirth
-10% Synergy $12.67
Culling the Weak Culling the Weak
-11% Synergy $14.73
Cabal Ritual Cabal Ritual
-12% Synergy $15.78
Deadly Rollick Deadly Rollick
-13% Synergy $26.21
Withering Torment Withering Torment
-16% Synergy $3.27

Sorceries

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

Revenge of the Rats Revenge of the Rats
+34% Synergy $0.37
Vat Emergence Vat Emergence
+34% Synergy $0.29
Crippling Fear Crippling Fear
+31% Synergy $2.44
Spread the Sickness Spread the Sickness
+25% Synergy $0.13
Kindred Dominance Kindred Dominance
+21% Synergy $16.88
Patriarch's Bidding Patriarch's Bidding
+21% Synergy $5.14
Swarmyard Massacre Swarmyard Massacre
+21% Synergy $2.79
Feed the Infection Feed the Infection
+17% Synergy $0.23
Bloodline Bidding Bloodline Bidding
+16% Synergy $2.70
Caress of Phyrexia Caress of Phyrexia
+16% Synergy $0.33
Geth's Summons Geth's Summons
+14% Synergy $0.53
Plague of Vermin Plague of Vermin
+12% Synergy $25.34
Lab Rats Lab Rats
+10% Synergy $1.27
Unearth Unearth
+6% Synergy $0.48
Echoing Return Echoing Return
+6% Synergy $0.23
Forever Young Forever Young
+6% Synergy $0.16
Gruesome Fate Gruesome Fate
+5% Synergy $1.11
Pact of the Serpent Pact of the Serpent
+5% Synergy $0.70
Haunting Voyage Haunting Voyage
+5% Synergy $0.34
Return from Extinction Return from Extinction
+5% Synergy $0.27
Psychic Whorl Psychic Whorl
+5% Synergy $0.22
Fell Fell
+4% Synergy $0.35
Read the Bones Read the Bones
+3% Synergy $0.31
Splinter's Technique Splinter's Technique
+3% Synergy $2.46
Eaten Alive Eaten Alive
+2% Synergy $0.10
Night's Whisper Night's Whisper
-1% Synergy $0.31
Diabolic Tutor Diabolic Tutor
-2% Synergy $2.09
Insatiable Avarice Insatiable Avarice
-4% Synergy $5.63
Sign in Blood Sign in Blood
-5% Synergy $2.85
Diabolic Intent Diabolic Intent
-6% Synergy $16.10
Mutilate Mutilate
-9% Synergy $1.97
Bubbling Muck Bubbling Muck
-9% Synergy $2.59
Damnation Damnation
-11% Synergy $21.38
Feed the Swarm Feed the Swarm
-12% Synergy $0.33
Victimize Victimize
-17% Synergy $2.02
Toxic Deluge Toxic Deluge
-26% Synergy $4.98
Reanimate Reanimate
-30% Synergy $8.59

Utility Artifacts

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

Herald's Horn Herald's Horn
+37% Synergy $4.72
Contagion Clasp Contagion Clasp
+37% Synergy $0.37
Bontu's Monument Bontu's Monument
+25% Synergy $5.36
Vanquisher's Banner Vanquisher's Banner
+24% Synergy $3.81
Contagion Engine Contagion Engine
+22% Synergy $16.73
Grafted Exoskeleton Grafted Exoskeleton
+17% Synergy $5.25
Prosthetic Injector Prosthetic Injector
+15% Synergy $0.11
Door of Destinies Door of Destinies
+10% Synergy $10.94
Icon of Ancestry Icon of Ancestry
+10% Synergy $0.32
Skullclamp Skullclamp
+9% Synergy $6.62
Thrumming Stone Thrumming Stone
+9% Synergy $21.84
Coat of Arms Coat of Arms
+9% Synergy $17.99
Sword of Truth and Justice Sword of Truth and Justice
+7% Synergy $32.99
Chronicle of Victory Chronicle of Victory
+6% Synergy $19.63
Banner of Kinship Banner of Kinship
+5% Synergy $5.68
Eldrazi Monument Eldrazi Monument
+3% Synergy $7.56
Whip of Erebos Whip of Erebos
+2% Synergy $6.79
Whispersilk Cloak Whispersilk Cloak
+2% Synergy $3.27
Vat of Rebirth Vat of Rebirth
+2% Synergy $0.29
Expedition Map Expedition Map
-7% Synergy $0.74
Jet Medallion Jet Medallion
-9% Synergy $10.47
Wayfarer's Bauble Wayfarer's Bauble
-9% Synergy $0.32
Swiftfoot Boots Swiftfoot Boots
-13% Synergy $2.99
The Darkness Crystal The Darkness Crystal
-13% Synergy $4.97
Ashnod's Altar Ashnod's Altar
-15% Synergy $15.31
Lightning Greaves Lightning Greaves
-21% Synergy $3.93

Enchantments

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

Necrogen Communion Necrogen Communion
+49% Synergy $0.33
Cover of Darkness Cover of Darkness
+35% Synergy $18.09
Phyresis Phyresis
+31% Synergy $3.18
Haunted One Haunted One
+19% Synergy $5.99
Oversold Cemetery Oversold Cemetery
+16% Synergy $2.58
Bad Moon Bad Moon
+16% Synergy $1.72
Tribute to Horobi Echo of Death's Wail Tribute to Horobi
+13% Synergy $0.26
Lord Skitter's Blessing Lord Skitter's Blessing
+10% Synergy $0.41
Intimidation Intimidation
+9% Synergy $1.02
Relic Putrescence Relic Putrescence
+8% Synergy $0.18
Snake Cult Initiation Snake Cult Initiation
+7% Synergy $0.45
Glistening Oil Glistening Oil
+6% Synergy $12.88
Vampiric Rites Vampiric Rites
+4% Synergy $0.17
Phyrexian Arena Phyrexian Arena
+1% Synergy $4.02
Grave Pact Grave Pact
-2% Synergy $29.50
Phyrexian Reclamation Phyrexian Reclamation
-2% Synergy $2.52
Dictate of Erebos Dictate of Erebos
-4% Synergy $18.56
Black Market Black Market
-7% Synergy $5.25
Black Market Connections Black Market Connections
-9% Synergy $18.31

Planeswalkers

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

Vraska, Betrayal's Sting Vraska, Betrayal's Sting
+37% Synergy $0.97
Liliana of the Dark Realms Liliana of the Dark Realms
-4% Synergy $11.60

Utility Lands

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

Karn's Bastion Karn's Bastion
+59% Synergy $2.16
Swarmyard Swarmyard
+56% Synergy $4.74
Mudflat Village Mudflat Village
+41% Synergy $0.33
Rogue's Passage Rogue's Passage
+28% Synergy $0.36
Access Tunnel Access Tunnel
+19% Synergy $0.38
Three Tree City Three Tree City
+16% Synergy $24.13
Mortuary Mire Mortuary Mire
+13% Synergy $0.35
Secret Tunnel Secret Tunnel
+12% Synergy $2.74
Bojuka Bog Bojuka Bog
+9% Synergy $0.63
Witch's Cottage Witch's Cottage
+7% Synergy $1.00
Inkmoth Nexus Inkmoth Nexus
+7% Synergy $12.75
The Dross Pits The Dross Pits
+6% Synergy $0.25
Minas Morgul, Dark Fortress Minas Morgul, Dark Fortress
+4% Synergy $17.43
Everglades Everglades
+4% Synergy $1.14
Barren Moor Barren Moor
+3% Synergy $0.37
Crypt of Agadeem Crypt of Agadeem
+2% Synergy $1.85
Shizo, Death's Storehouse Shizo, Death's Storehouse
0% Synergy $38.10
Temple of the False God Temple of the False God
0% Synergy $0.32
Castle Locthwain Castle Locthwain
-4% Synergy $4.00
War Room War Room
-7% Synergy $1.99
Takenuma, Abandoned Mire Takenuma, Abandoned Mire
-8% Synergy $11.57
Nykthos, Shrine to Nyx Nykthos, Shrine to Nyx
-9% Synergy $49.84
Cabal Stronghold Cabal Stronghold
-10% Synergy $13.47
Phyrexian Tower Phyrexian Tower
-10% Synergy $26.16
Reliquary Tower Reliquary Tower
-11% Synergy $2.76
Urborg, Tomb of Yawgmoth Urborg, Tomb of Yawgmoth
-13% Synergy $57.13
Cabal Coffers Cabal Coffers
-18% Synergy $29.69

Mana Artifacts

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

Glistening Sphere Glistening Sphere
+48% Synergy $14.80
Staff of Compleation Staff of Compleation
+25% Synergy $4.17
Patchwork Banner Patchwork Banner
+19% Synergy $1.91
Phyrexian Atlas Phyrexian Atlas
+14% Synergy $0.25
Heraldic Banner Heraldic Banner
+8% Synergy $0.33
Commander's Sphere Commander's Sphere
-1% Synergy $0.25
Charcoal Diamond Charcoal Diamond
-3% Synergy $0.32
Caged Sun Caged Sun
-3% Synergy $3.83
Sol Ring Sol Ring
-6% Synergy $1.40
The Soul Stone The Soul Stone
-8% Synergy $84.04
Mind Stone Mind Stone
-12% Synergy $0.34
Arcane Signet Arcane Signet
-13% Synergy $0.46
Thought Vessel Thought Vessel
-19% Synergy $2.60

Lands

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

Path of Ancestry Path of Ancestry
+36% Synergy $0.32
Cavern of Souls Cavern of Souls
+9% Synergy $49.78
Big Apple, 3 a.m. Big Apple, 3 a.m.
+9% Synergy $0.39
Escape Tunnel Escape Tunnel
+8% Synergy $0.24
Command Tower Command Tower
+4% Synergy $0.25
Swamp Swamp
+3% Synergy $0.07
Evolving Wilds Evolving Wilds
+3% Synergy $0.39
Myriad Landscape Myriad Landscape
-4% Synergy $0.24
Fell the Profane Fell Mire Fell the Profane
-5% Synergy $3.00
Malakir Rebirth Malakir Mire Malakir Rebirth
-10% Synergy $12.67

Similar Commanders

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