Karumonix, the Rat King: Rat Colony
$1.38
Legendary Creature — Phyrexian Rat

High Synergy Cards
The highest-synergy picks for Karumonix, the Rat King's Rat Colony builds — cards that lean hardest into the Rat Colony theme.
Rat Colony
Piper of the Swarm
Pack Rat
Blightbelly Rat
Ogre Slumlord
Ichor Rats
Infectious Inquiry
Vraska's FallTop Cards
The staple cards most Karumonix, the Rat King Rat Colony decks run as their core.
Lord Skitter's Butcher
Crypt Rats
Typhoid Rats
Herald's Horn
Drown in Ichor
Tangled Colony
Bontu's Monument
Jet Medallion
Dark RitualGame Changers
High-impact bombs that can take over a Karumonix, the Rat King Rat Colony game on their own.
Demonic Tutor
Vampiric Tutor
Bolas's Citadel
NecropotenceCreatures
Creatures that carry the Rat Colony plan in Karumonix, the Rat King decks, from early pressure to payoff.
Septic Rats
Rancid Rats
Ratcatcher
Voracious Vermin
Persistent Marshstalker
Gnat Miser
Swarm of Rats
Wave of Rats
Burglar Rat
Stronghold Rats
Chittering Skitterling
Pestilence Rats
Species Specialist
Ruthless Radrat
Chittering Witch
Nezumi Informant
Innocuous Rat
Valley Rotcaller
Nezumi Prowler
Ruin Rat
Changeling Outcast
Ravenous Rats
Locust Miser
Gnawing Vermin
Throat Slitter
Twisted Sewer-Witch
Daggerfang Duo
Relentless Rats
Drainpipe Vermin
Razortooth Rats
Nezumi Cutthroat
Rotting Rats
Mukotai Ambusher
Roaming Throne
Engine Rat
Refurbished Familiar
Elephant-Rat
Okiba-Gang Shinobi
Nezumi Bladeblesser
Nezumi Graverobber
Undercity Dire Rat
Crypt Ghast
Gray Merchant of AsphodelInstants
Instant-speed interaction and tricks that keep Karumonix, the Rat King's Rat Colony deck ahead.
Whisper of the Dross
Rat Out
Grim Affliction
Village Rites
Foul-Tongue Shriek
Unbury
Go for the Throat
Tainted Strike
Gravepurge
Corrupted Conviction
Anoint with Affliction
Raise the Draugr
Murder
Death Denied
Zuko's Conviction
Defile
Doom Blade
Hero's Downfall
Bitter Triumph
Sudden Spoiling
Baleful Mastery
Consuming Corruption
Deadly Rollick
Tragic Slip
Infernal Grasp
Deadly Dispute
Cabal Ritual
Culling the Weak
Fell the Profane
Withering Torment
Malakir RebirthSorceries
Sorceries that push the Rat Colony game plan forward for Karumonix, the Rat King.
Phyresis Outbreak
Patriarch's Bidding
Revenge of the Rats
Crippling Fear
Kindred Dominance
Swarmyard Massacre
Echoing Return
Vat Emergence
Bloodline Bidding
Plague of Vermin
Spread the Sickness
Gruesome Fate
Pact of the Serpent
Lab Rats
Caress of Phyrexia
Feed the Infection
Haunting Voyage
Secret Salvage
Forever Young
In Garruk's Wake
Unearth
Diabolic Intent
Diabolic Tutor
Insatiable Avarice
Grim Tutor
Damnation
Read the Bones
Living Death
Sign in Blood
Night's Whisper
Mutilate
Blasphemous Edict
Bubbling Muck
Feed the Swarm
Victimize
Toxic Deluge
ReanimateUtility Artifacts
Artifacts that add consistency and utility to Karumonix, the Rat King Rat Colony decks.
Vanquisher's Banner
Thrumming Stone
Skullclamp
Banner of Kinship
Contagion Clasp
Coat of Arms
Chronicle of Victory
Door of Destinies
Contagion Engine
Icon of Ancestry
Eldrazi Monument
Sword of the Squeak
Whip of Erebos
Thornbite Staff
Gathering Stone
Wayfarer's Bauble
Ashnod's Altar
The Darkness Crystal
Swiftfoot Boots
Lightning GreavesEnchantments
Enchantments that reinforce the Rat Colony strategy in Karumonix, the Rat King decks.
Cover of Darkness
Necrogen Communion
Haunted One
Bad Moon
Oversold Cemetery
Phyresis
Tribute to Horobi
Lord Skitter's Blessing
Vampiric Rites
Dark Prophecy
Phyrexian Reclamation
Grave Pact
Phyrexian Arena
Dictate of Erebos
Black Market
Black Market Connections
The Meathook MassacrePlaneswalkers
Planeswalkers that back up Karumonix, the Rat King's Rat Colony game plan.
Vraska, Betrayal's Sting
Liliana of the Dark RealmsUtility Lands
Non-basic lands that pull extra weight in Karumonix, the Rat King Rat Colony decks.
Swarmyard
Karn's Bastion
Mudflat Village
Three Tree City
Rogue's Passage
Access Tunnel
Mortuary Mire
Secret Tunnel
Witch's Cottage
Minas Morgul, Dark Fortress
Temple of the False God
Susur Secundi, Void Altar
Cabal Stronghold
Crypt of Agadeem
Shizo, Death's Storehouse
Bojuka Bog
Reliquary Tower
Nykthos, Shrine to Nyx
Barren Moor
Castle Locthwain
War Room
Cabal Coffers
Phyrexian Tower
Takenuma, Abandoned Mire
Urborg, Tomb of YawgmothMana Artifacts
Mana rocks and fixing to power out Karumonix, the Rat King's Rat Colony strategy.
Glistening Sphere
Patchwork Banner
White Lotus Tile
Staff of Compleation
Firdoch Core
Heraldic Banner
Phyrexian Atlas
Gauntlet of Power
Caged Sun
Commander's Sphere
Nyx Lotus
Throne of Eldraine
Charcoal Diamond
Sol Ring
Arcane Signet
Mind Stone
Thought VesselLands
The mana base behind Karumonix, the Rat King's Rat Colony decks.
Path of Ancestry
Big Apple, 3 a.m.
Cavern of Souls
Command Tower
Escape Tunnel
Evolving Wilds
Swamp
Myriad Landscape
Fell the Profane
Malakir RebirthSimilar Commanders
The following Commanders share a similar playing style, strategy, or theme like Karumonix, the Rat King: Rat Colony.
Wick, the Whorled Mind
Marrow-Gnawer
Ashcoat of the Shadow Swarm
Lord Skitter, Sewer King
Vren, the Relentless
Ink-Eyes, Servant of Oni
Patron of the Nezumi
Kinzu of the Bleak Coven
Xun Yu, Wei Advisor
Ob Nixilis, the Fallen
Totentanz, Swarm Piper
He Who Hungers
Shauku, Endbringer
The Meep
Massacre Girl
Zenos yae Galvus
Greel, Mind Raker
Kokusho, the Evening Star
The Haunt of Hightower
Infernal Kirin
Ob Nixilis, Unshackled
Shirei, Shizo's Caretaker
Drivnod, Carnage Dominus
Gríma Wormtongue
Hancock, Ghoulish Mayor
Kyoki, Sanity's Eclipse
Tourach, Dread Cantor
Trazyn the Infinite
Witch-king of Angmar
Jaheira, Friend of the Forest // Agent of the Shadow Thieves
Gonti, Lord of Luxury
Rev, Tithe Extractor
Zodiark, Umbral God
Gix, Yawgmoth Praetor
Lobelia, Defender of Bag End
Massacre Girl, Known Killer
Nashi, Moon's Legacy
Starscream, Power Hungry
Sengir, the Dark Baron // Siani, Eye of the Storm
Jecht, Reluctant Guardian