Karumonix, the Rat King
$1.24
$1.24Legendary Creature — Phyrexian Rat
How it feels to play against
Mildly Annoying
Some frustrating moments but still fun.
Popularity
Ranking
#605
Current Rank
#636
Last Week
#410
Past 2 Years
Mono-Black Combos
Debut Set
Decks on Moxfield
Decks on Archidekt
Scryfall
CardmarketVideos
Commander gameplay videos featuring Karumonix, the Rat King.
Graaz vs Varina vs Evereth vs Karumonix - Halloween EDH Gameplay Episode 40
$25 Commander Decks | Commander Clash Gameplay S15E6
WNL 88 | You Compleat Me | Live MTG EDH | Commander Gameplay
![All will be one! EP: 4 Prosper v Neyali v Ixhel v Karumonix [EDH gameplay]](https://i.ytimg.com/vi/1rB3FW952-4/sddefault.jpg)
All will be one! EP: 4 Prosper v Neyali v Ixhel v Karumonix [EDH gameplay]
Toxic Game! | Phyrexia: All Will Be One | Commander VS | Magic: the Gathering Commander Gameplay
Jor Kadeen, Slobad, Elesh Norn, Karumonix | Phyrexia All Will Be One Commander Gameplay
New Cards
Fresh cards from recent sets that players are experimenting with in Karumonix, the Rat King decks.
Orcrist, Goblin-cleaver+0% Synergy
$11.65
Giant's Boulder+0% Synergy
$0.21
Bilbo's Deadly Slice0% Synergy
$0.09
Troop of Ponies-1% Synergy
$0.31
My Precious-2% Synergy
$1.57
High Synergy Cards
Cards that work exceptionally well with Karumonix, the Rat King's abilities and overall game plan.
Blightbelly Rat+74% Synergy
$0.32
Piper of the Swarm+74% Synergy
$2.25
Marrow-Gnawer+71% Synergy
$31.53
Pack Rat+67% Synergy
$3.48
Ogre Slumlord+65% Synergy
$0.32
Ichor Rats+64% Synergy
$3.07
Lord Skitter, Sewer King+59% Synergy
$4.71
Infectious Inquiry+57% Synergy
$0.39
Typhoid Rats+56% Synergy
$0.28
Vraska's Fall+55% Synergy
$0.35
Top Cards
The most popular and reliable cards that form the backbone of successful Karumonix, the Rat King decks.
Rancid Rats+52% Synergy
$0.24
Lord Skitter's Butcher+51% Synergy
$0.29
Rat Colony+51% Synergy
$5.63
Septic Rats+51% Synergy
$0.45
Tangled Colony+50% Synergy
$0.93
Drown in Ichor+50% Synergy
$0.67
Crypt Rats+49% Synergy
$0.58
Bontu's Monument+24% Synergy
$4.76
Jet Medallion-9% Synergy
$12.86
Dark Ritual-10% Synergy
$6.35
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Vampiric Tutor-5% Synergy
$54.98
Demonic Tutor-5% Synergy
$66.97
Bolas's Citadel-13% Synergy
$16.30
Creatures
Essential creatures that complement Karumonix, the Rat King's strategy through synergy, utility, or raw power.
Voracious Vermin+44% Synergy
$0.30
Persistent Marshstalker+42% Synergy
$0.29
Burglar Rat+39% Synergy
$0.27
Ashcoat of the Shadow Swarm+38% Synergy
$39.05
Gnat Miser+37% Synergy
$1.10
Stronghold Rats+37% Synergy
$0.73
Chittering Skitterling+36% Synergy
$0.23
Ratcatcher+34% Synergy
$13.53
Swarm of Rats+32% Synergy
$3.14
Wave of Rats+31% Synergy
$3.23
Rat King, Verminister+29% Synergy
$0.88
Pestilence Rats+29% Synergy
$0.32
Rat King, Pale Piper+27% Synergy
$0.36
Chittering Witch+26% Synergy
$0.23
Nezumi Prowler+26% Synergy
$0.29
Ruin Rat+26% Synergy
$0.24
Ink-Eyes, Servant of Oni+26% Synergy
$13.55
Ravenous Rats+23% Synergy
$0.61
Engine Rat+23% Synergy
$0.31
Changeling Outcast+22% Synergy
$2.47
Nezumi Cutthroat+21% Synergy
$0.09
Nashi, Moon Sage's Scion+21% Synergy
$3.48
Gnawing Vermin+21% Synergy
$0.27
Drainpipe Vermin+20% Synergy
$0.37
Valley Rotcaller+19% Synergy
$2.30
Nezumi Informant+19% Synergy
$0.37
Twisted Sewer-Witch+19% Synergy
$0.30
Razortooth Rats+18% Synergy
$0.12
Old Flitterfang+18% Synergy
$0.42
Relentless Rats+17% Synergy
$4.31
Undercity Dire Rat+17% Synergy
$0.15
Throat Slitter+17% Synergy
$3.85
Locust Miser+16% Synergy
$3.54
Ruthless Radrat+16% Synergy
$0.62
Species Specialist+14% Synergy
$10.42
Innocuous Rat+13% Synergy
$0.24
Mukotai Ambusher+13% Synergy
$0.16
Nezumi Graverobber+12% Synergy
$0.53
Nezumi Bladeblesser+11% Synergy
$0.25
Sinuous Vermin+10% Synergy
$0.24
Refurbished Familiar+10% Synergy
$0.31
Rotting Rats+10% Synergy
$1.48
Daggerfang Duo+10% Synergy
$0.17
Skullsnatcher+9% Synergy
$1.32
Chittering Rats+9% Synergy
$0.31
Elephant-Rat+8% Synergy
$0.14
Okiba-Gang Shinobi+8% Synergy
$1.21
Ayara, First of Locthwain-3% Synergy
$9.07
Crypt Ghast-31% Synergy
$16.70
Gray Merchant of Asphodel-34% Synergy
$4.71
Instants
Key instant-speed responses for protection, removal, and keeping Karumonix, the Rat King safe.
Whisper of the Dross+43% Synergy
$0.29
Grim Affliction+26% Synergy
$0.33
Rat Out+25% Synergy
$0.29
Tainted Strike+15% Synergy
$2.54
Anoint with Affliction+15% Synergy
$0.31
Village Rites+13% Synergy
$0.77
Foul-Tongue Shriek+10% Synergy
$0.24
Murder+8% Synergy
$0.30
Virulent Wound+8% Synergy
$0.22
Corrupted Conviction+7% Synergy
$0.37
Raise the Draugr+7% Synergy
$0.28
Gravepurge+6% Synergy
$0.18
Go for the Throat+5% Synergy
$0.62
Offer Immortality+3% Synergy
$0.26
Altar's Reap+3% Synergy
$0.40
Hero's Downfall+2% Synergy
$0.32
Doom Blade+1% Synergy
$0.33
Defile0% Synergy
$1.44
Sudden Spoiling-2% Synergy
$7.88
Tragic Slip-3% Synergy
$0.32
Consuming Corruption-4% Synergy
$0.35
Deadly Dispute-5% Synergy
$0.33
Infernal Grasp-8% Synergy
$0.34
Deadly Rollick-10% Synergy
$30.87
Culling the Weak-11% Synergy
$7.35
Fell the Profane-11% Synergy
$4.68
Cabal Ritual-12% Synergy
$14.66
Malakir Rebirth-13% Synergy
$14.56
Withering Torment-17% Synergy
$1.60
Sorceries
Important sorcery spells that advance Karumonix, the Rat King's game plan and control the board.
Phyresis Outbreak+37% Synergy
$11.57
Revenge of the Rats+36% Synergy
$0.32
Crippling Fear+28% Synergy
$2.70
Patriarch's Bidding+24% Synergy
$3.64
Vat Emergence+23% Synergy
$0.27
Kindred Dominance+21% Synergy
$5.00
Spread the Sickness+18% Synergy
$0.20
Swarmyard Massacre+16% Synergy
$4.83
Bloodline Bidding+14% Synergy
$2.55
Feed the Infection+12% Synergy
$0.24
Echoing Return+8% Synergy
$0.23
Plague of Vermin+8% Synergy
$20.54
Caress of Phyrexia+8% Synergy
$0.28
Geth's Summons+8% Synergy
$0.40
Gruesome Fate+7% Synergy
$1.18
Lab Rats+7% Synergy
$0.42
Return from Extinction+5% Synergy
$0.30
Pact of the Serpent+5% Synergy
$1.31
Forever Young+4% Synergy
$0.20
Fell+2% Synergy
$0.36
Unearth+1% Synergy
$0.51
Diabolic Tutor+0% Synergy
$2.30
Read the Bones-1% Synergy
$0.31
Diabolic Intent-4% Synergy
$17.07
Grim Tutor-5% Synergy
$24.78
Sign in Blood-5% Synergy
$3.19
Mutilate-8% Synergy
$2.04
Night's Whisper-8% Synergy
$5.45
Damnation-9% Synergy
$21.24
Bubbling Muck-9% Synergy
$3.35
Feed the Swarm-13% Synergy
$0.21
Victimize-15% Synergy
$1.27
Toxic Deluge-25% Synergy
$4.39
Reanimate-30% Synergy
$9.38
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Herald's Horn+38% Synergy
$5.70
Vanquisher's Banner+26% Synergy
$5.71
Contagion Clasp+25% Synergy
$0.34
Thrumming Stone+18% Synergy
$22.02
Contagion Engine+12% Synergy
$13.90
Coat of Arms+11% Synergy
$20.82
Skullclamp+11% Synergy
$5.34
Door of Destinies+10% Synergy
$3.61
Icon of Ancestry+10% Synergy
$0.39
Banner of Kinship+9% Synergy
$8.44
Chronicle of Victory+9% Synergy
$23.94
Prosthetic Injector+6% Synergy
$0.28
Grafted Exoskeleton+6% Synergy
$7.07
Eldrazi Monument+5% Synergy
$10.79
Gathering Stone+4% Synergy
$0.61
Sword of the Squeak+4% Synergy
$0.72
Thornbite Staff+4% Synergy
$19.30
Whip of Erebos+0% Synergy
$11.36
Wayfarer's Bauble-7% Synergy
$5.04
The Darkness Crystal-9% Synergy
$4.63
Ashnod's Altar-12% Synergy
$16.69
Swiftfoot Boots-13% Synergy
$2.00
Lightning Greaves-17% Synergy
$4.54
Enchantments
Powerful enchantments that support Karumonix, the Rat King's strategy and create lasting battlefield effects.
Necrogen Communion+33% Synergy
$0.35
Cover of Darkness+31% Synergy
$22.71
Bad Moon+17% Synergy
$3.67
Phyresis+15% Synergy
$2.51
Haunted One+13% Synergy
$5.75
Oversold Cemetery+12% Synergy
$2.73
Tribute to Horobi+10% Synergy
$0.26
Lord Skitter's Blessing+6% Synergy
$0.41
Intimidation+6% Synergy
$0.89
Vampiric Rites+3% Synergy
$0.11
Grave Pact-2% Synergy
$33.42
Phyrexian Reclamation-3% Synergy
$2.99
Dictate of Erebos-3% Synergy
$15.45
Phyrexian Arena-4% Synergy
$4.33
Black Market-5% Synergy
$6.30
Black Market Connections-10% Synergy
$9.09
The Meathook Massacre-11% Synergy
$25.18
Planeswalkers
Planeswalkers that work alongside Karumonix, the Rat King to provide ongoing value and board presence.
Vraska, Betrayal's Sting+26% Synergy
$1.04
Liliana of the Dark Realms-4% Synergy
$9.07
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Swarmyard+49% Synergy
$5.95
Karn's Bastion+39% Synergy
$1.96
Mudflat Village+31% Synergy
$0.31
Rogue's Passage+16% Synergy
$0.50
Three Tree City+14% Synergy
$29.19
Access Tunnel+11% Synergy
$0.46
Mortuary Mire+9% Synergy
$0.40
Secret Tunnel+6% Synergy
$2.78
Witch's Cottage+1% Synergy
$1.02
Temple of the False God0% Synergy
$0.30
Barren Moor0% Synergy
$0.61
Crypt of Agadeem-1% Synergy
$4.13
Shizo, Death's Storehouse-2% Synergy
$35.15
Castle Locthwain-5% Synergy
$4.32
Bojuka Bog-5% Synergy
$1.59
War Room-6% Synergy
$5.28
Reliquary Tower-7% Synergy
$3.94
Takenuma, Abandoned Mire-9% Synergy
$11.19
Cabal Stronghold-9% Synergy
$12.25
Nykthos, Shrine to Nyx-10% Synergy
$52.84
Phyrexian Tower-12% Synergy
$27.92
Cabal Coffers-14% Synergy
$32.74
Urborg, Tomb of Yawgmoth-15% Synergy
$57.96
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Glistening Sphere+28% Synergy
$15.02
Patchwork Banner+19% Synergy
$3.72
Staff of Compleation+13% Synergy
$3.87
Phyrexian Atlas+9% Synergy
$0.24
Heraldic Banner+8% Synergy
$0.35
Charcoal Diamond0% Synergy
$0.36
Commander's Sphere0% Synergy
$0.26
Caged Sun-2% Synergy
$3.73
Sol Ring-7% Synergy
$1.59
The Soul Stone-9% Synergy
$94.50
Mind Stone-11% Synergy
$0.24
Arcane Signet-12% Synergy
$0.64
Thought Vessel-14% Synergy
$2.45
Lands
The mana base foundation for Karumonix, the Rat King decks, ensuring smooth and reliable mana development.
Path of Ancestry+26% Synergy
$0.24
Big Apple, 3 a.m.+10% Synergy
$0.36
Cavern of Souls+6% Synergy
$51.73
Escape Tunnel+4% Synergy
$0.28
Command Tower+3% Synergy
$0.32
Swamp+2% Synergy
$0.09
Evolving Wilds+2% Synergy
$0.25
Myriad Landscape-7% Synergy
$0.22
Fell the Profane-11% Synergy
$4.68
Malakir Rebirth-13% Synergy
$14.56
Similar Commanders
The following Commanders share a similar playing style, strategy, or theme like Karumonix, the Rat King.
Marrow-Gnawer
Ashcoat of the Shadow Swarm
Wick, the Whorled Mind
Lord Skitter, Sewer King
Vren, the Relentless
Ink-Eyes, Servant of Oni
Kinzu of the Bleak Coven
Patron of the Nezumi
Xun Yu, Wei Advisor
Zenos yae Galvus
Ob Nixilis, the Fallen
He Who Hungers
Shauku, Endbringer
The Meep
Massacre Girl
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
Gonti, Lord of Luxury
Rev, Tithe Extractor
Zodiark, Umbral God
Gix, Yawgmoth Praetor
Lobelia, Defender of Bag End
Massacre Girl, Known Killer
Starscream, Power Hungry
Ixhel, Scion of Atraxa
Jecht, Reluctant Guardian
Aclazotz, Deepest Betrayal
Cao Cao, Lord of Wei
Tinybones, the Pickpocket