Karumonix, the Rat King
$0.86
$0.86Legendary Creature — Phyrexian Rat
How it feels to play against
Mildly Annoying
Some frustrating moments but still fun.
Popularity
Ranking
#558
Current Rank
#556
Last Week
#414
Past 2 Years
7,051
Decks
Links & Decks
Mono-Black Combos
Debut Set
Decks on Moxfield
Decks on Archidekt
ScryfallBuy Karumonix, the Rat King
TCGplayer
$0.72
Cardmarket
€0.37Videos
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
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New Cards
Fresh cards from recent sets that players are experimenting with in Karumonix, the Rat King decks.
Rank Rat+11% Synergy
in 15% of decks
$0.20
Hall of Echoes+0% Synergy
in 2% of decks
$2.54
Multiply by Zero-1% Synergy
in 1% of decks
$0.26
Lich's Relic-2% Synergy
in 2% of decks
$1.21
Avacyn, Angel of Horror-6% Synergy
in 1% of decks
$12.59
High Synergy Cards
Cards that work exceptionally well with Karumonix, the Rat King's abilities and overall game plan.
Blightbelly Rat+74% Synergy
in 78% of decks
$0.33
Piper of the Swarm+74% Synergy
in 81% of decks
$2.34
Marrow-Gnawer+70% Synergy
in 74% of decks
$32.07
Pack Rat+67% Synergy
in 73% of decks
$3.15
Ogre Slumlord+65% Synergy
in 74% of decks
$0.37
Ichor Rats+64% Synergy
in 68% of decks
$2.36
Lord Skitter, Sewer King+59% Synergy
in 68% of decks
$4.43
Infectious Inquiry+57% Synergy
in 60% of decks
$0.37
Typhoid Rats+56% Synergy
in 60% of decks
$0.20
Vraska's Fall+55% Synergy
in 58% of decks
$0.35
Top Cards
The most popular and reliable cards that form the backbone of successful Karumonix, the Rat King decks.
Blightbelly Rat+74% Synergy
in 78% of decks
$0.33
Piper of the Swarm+74% Synergy
in 81% of decks
$2.34
Marrow-Gnawer+70% Synergy
in 74% of decks
$32.07
Pack Rat+67% Synergy
in 73% of decks
$3.15
Ogre Slumlord+65% Synergy
in 74% of decks
$0.37
Ichor Rats+64% Synergy
in 68% of decks
$2.36
Lord Skitter, Sewer King+59% Synergy
in 68% of decks
$4.43
Infectious Inquiry+57% Synergy
in 60% of decks
$0.37
Typhoid Rats+56% Synergy
in 60% of decks
$0.20
Vraska's Fall+55% Synergy
in 58% of decks
$0.35
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Vampiric Tutor-4% Synergy
in 16% of decks
$51.77
Demonic Tutor-5% Synergy
in 22% of decks
$64.53
Bolas's Citadel-12% Synergy
in 15% of decks
$14.69
Creatures
Essential creatures that complement Karumonix, the Rat King's strategy through synergy, utility, or raw power.
Rancid Rats+53% Synergy
in 55% of decks
$0.29
Rat Colony+51% Synergy
in 57% of decks
$5.13
Lord Skitter's Butcher+51% Synergy
in 54% of decks
$0.31
Tangled Colony+50% Synergy
in 53% of decks
$0.76
Crypt Rats+48% Synergy
in 53% of decks
$0.56
Voracious Vermin+44% Synergy
in 48% of decks
$0.34
Persistent Marshstalker+42% Synergy
in 45% of decks
$0.29
Burglar Rat+39% Synergy
in 50% of decks
$0.28
Ashcoat of the Shadow Swarm+39% Synergy
in 43% of decks
$33.65
Gnat Miser+37% Synergy
in 41% of decks
$0.81
Stronghold Rats+37% Synergy
in 41% of decks
$0.48
Ratcatcher+34% Synergy
in 38% of decks
$12.50
Swarm of Rats+32% Synergy
in 34% of decks
$3.20
Rat King, Verminister+31% Synergy
in 34% of decks
$0.86
Wave of Rats+30% Synergy
in 32% of decks
$3.17
Rat King, Pale Piper+29% Synergy
in 33% of decks
$0.36
Pestilence Rats+29% Synergy
in 31% of decks
$0.31
Chittering Witch+26% Synergy
in 30% of decks
$0.27
Nezumi Prowler+26% Synergy
in 28% of decks
$0.31
Ruin Rat+26% Synergy
in 27% of decks
$0.24
Ink-Eyes, Servant of Oni+25% Synergy
in 29% of decks
$12.76
Engine Rat+23% Synergy
in 26% of decks
$0.30
Ravenous Rats+23% Synergy
in 25% of decks
$0.61
Changeling Outcast+22% Synergy
in 27% of decks
$2.58
Gnawing Vermin+21% Synergy
in 23% of decks
$0.30
Nashi, Moon Sage's Scion+20% Synergy
in 24% of decks
$2.99
Drainpipe Vermin+20% Synergy
in 22% of decks
$0.33
Valley Rotcaller+19% Synergy
in 22% of decks
$2.82
Nezumi Informant+19% Synergy
in 25% of decks
$0.35
Twisted Sewer-Witch+18% Synergy
in 20% of decks
$0.30
Undercity Dire Rat+17% Synergy
in 20% of decks
$0.18
Old Flitterfang+17% Synergy
in 19% of decks
$0.40
Relentless Rats+17% Synergy
in 19% of decks
$4.17
Throat Slitter+16% Synergy
in 19% of decks
$3.52
Locust Miser+16% Synergy
in 18% of decks
$4.09
Species Specialist+13% Synergy
in 17% of decks
$9.98
Innocuous Rat+13% Synergy
in 15% of decks
$0.24
Mukotai Ambusher+13% Synergy
in 14% of decks
$0.23
Nezumi Graverobber+11% Synergy
in 13% of decks
$0.51
Nezumi Bladeblesser+11% Synergy
in 12% of decks
$0.26
Rotting Rats+10% Synergy
in 14% of decks
$1.59
Refurbished Familiar+10% Synergy
in 12% of decks
$0.26
Skullsnatcher+9% Synergy
in 10% of decks
$1.22
Daggerfang Duo+9% Synergy
in 10% of decks
$0.18
Chittering Rats+9% Synergy
in 10% of decks
$0.32
Okiba-Gang Shinobi+8% Synergy
in 9% of decks
$1.19
Thornplate Intimidator+8% Synergy
in 9% of decks
$0.11
Ayara, First of Locthwain-4% Synergy
in 21% of decks
$5.97
Crypt Ghast-31% Synergy
in 15% of decks
$17.69
Gray Merchant of Asphodel-35% Synergy
in 15% of decks
$5.25
Instants
Key instant-speed responses for protection, removal, and keeping Karumonix, the Rat King safe.
Whisper of the Dross+43% Synergy
in 46% of decks
$0.33
Grim Affliction+27% Synergy
in 29% of decks
$0.34
Rat Out+25% Synergy
in 26% of decks
$0.28
Tainted Strike+15% Synergy
in 19% of decks
$3.68
Village Rites+12% Synergy
in 39% of decks
$0.41
Foul-Tongue Shriek+9% Synergy
in 12% of decks
$0.14
Murder+8% Synergy
in 18% of decks
$0.25
Virulent Wound+8% Synergy
in 9% of decks
$0.26
Raise the Draugr+7% Synergy
in 9% of decks
$0.16
Corrupted Conviction+7% Synergy
in 20% of decks
$0.34
Gravepurge+6% Synergy
in 8% of decks
$0.17
Go for the Throat+5% Synergy
in 28% of decks
$0.66
Offer Immortality+3% Synergy
in 6% of decks
$0.23
Altar's Reap+3% Synergy
in 5% of decks
$0.38
Hero's Downfall+2% Synergy
in 9% of decks
$0.29
Doom Blade+1% Synergy
in 8% of decks
$0.32
Defile0% Synergy
in 34% of decks
$1.25
Sudden Spoiling-2% Synergy
in 6% of decks
$6.02
Tragic Slip-3% Synergy
in 15% of decks
$0.31
Vampiric Tutor-4% Synergy
in 16% of decks
$51.77
Consuming Corruption-5% Synergy
in 10% of decks
$0.30
Deadly Dispute-6% Synergy
in 21% of decks
$0.31
Infernal Grasp-8% Synergy
in 17% of decks
$0.28
Dark Ritual-10% Synergy
in 57% of decks
$8.05
Deadly Rollick-10% Synergy
in 15% of decks
$26.86
Culling the Weak-11% Synergy
in 7% of decks
$9.17
Fell the Profane-11% Synergy
in 8% of decks
$5.24
Cabal Ritual-12% Synergy
in 7% of decks
$16.10
Malakir Rebirth-13% Synergy
in 10% of decks
$11.61
Withering Torment-18% Synergy
in 14% of decks
$1.33
Sorceries
Important sorcery spells that advance Karumonix, the Rat King's game plan and control the board.
Drown in Ichor+50% Synergy
in 54% of decks
$0.77
Phyresis Outbreak+37% Synergy
in 39% of decks
$12.34
Revenge of the Rats+37% Synergy
in 40% of decks
$0.29
Crippling Fear+28% Synergy
in 31% of decks
$2.80
Vat Emergence+23% Synergy
in 25% of decks
$0.32
Patriarch's Bidding+23% Synergy
in 27% of decks
$3.15
Kindred Dominance+21% Synergy
in 26% of decks
$4.44
Swarmyard Massacre+16% Synergy
in 19% of decks
$4.46
Bloodline Bidding+15% Synergy
in 19% of decks
$2.21
Feed the Infection+12% Synergy
in 13% of decks
$0.26
Plague of Vermin+8% Synergy
in 11% of decks
$20.13
Caress of Phyrexia+8% Synergy
in 9% of decks
$0.30
Echoing Return+8% Synergy
in 12% of decks
$0.23
Geth's Summons+8% Synergy
in 8% of decks
$0.40
Gruesome Fate+7% Synergy
in 9% of decks
$1.15
Lab Rats+6% Synergy
in 7% of decks
$0.33
Pact of the Serpent+4% Synergy
in 7% of decks
$1.23
Return from Extinction+4% Synergy
in 5% of decks
$0.23
Forever Young+4% Synergy
in 6% of decks
$0.16
Fell+2% Synergy
in 6% of decks
$0.35
Unearth+1% Synergy
in 11% of decks
$0.43
Diabolic Tutor+0% Synergy
in 14% of decks
$2.35
Read the Bones0% Synergy
in 15% of decks
$0.32
Grim Tutor-5% Synergy
in 6% of decks
$25.66
Diabolic Intent-5% Synergy
in 10% of decks
$16.76
Demonic Tutor-5% Synergy
in 22% of decks
$64.53
Sign in Blood-5% Synergy
in 29% of decks
$3.49
Mutilate-8% Synergy
in 7% of decks
$2.22
Night's Whisper-8% Synergy
in 17% of decks
$0.25
Damnation-9% Synergy
in 11% of decks
$21.11
Bubbling Muck-9% Synergy
in 6% of decks
$5.75
Feed the Swarm-13% Synergy
in 37% of decks
$0.22
Victimize-15% Synergy
in 12% of decks
$1.60
Toxic Deluge-25% Synergy
in 12% of decks
$5.28
Reanimate-31% Synergy
in 10% of decks
$10.74
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Herald's Horn+37% Synergy
in 43% of decks
$3.10
Vanquisher's Banner+26% Synergy
in 30% of decks
$4.24
Contagion Clasp+25% Synergy
in 28% of decks
$0.36
Bontu's Monument+23% Synergy
in 52% of decks
$4.47
Thrumming Stone+18% Synergy
in 22% of decks
$21.19
Contagion Engine+13% Synergy
in 15% of decks
$14.09
Skullclamp+11% Synergy
in 34% of decks
$4.45
Coat of Arms+11% Synergy
in 14% of decks
$18.35
Door of Destinies+10% Synergy
in 12% of decks
$2.33
Icon of Ancestry+9% Synergy
in 11% of decks
$0.41
Banner of Kinship+9% Synergy
in 12% of decks
$7.67
Chronicle of Victory+9% Synergy
in 12% of decks
$23.00
Grafted Exoskeleton+5% Synergy
in 7% of decks
$6.75
Eldrazi Monument+5% Synergy
in 7% of decks
$10.99
Gathering Stone+4% Synergy
in 6% of decks
$0.55
Sword of the Squeak+4% Synergy
in 5% of decks
$1.64
Thornbite Staff+4% Synergy
in 7% of decks
$19.70
Whip of Erebos+0% Synergy
in 12% of decks
$10.00
Wayfarer's Bauble-7% Synergy
in 7% of decks
$0.32
The Darkness Crystal-9% Synergy
in 10% of decks
$5.07
Jet Medallion-10% Synergy
in 52% of decks
$15.35
Ashnod's Altar-12% Synergy
in 8% of decks
$15.96
Bolas's Citadel-12% Synergy
in 15% of decks
$14.69
Swiftfoot Boots-12% Synergy
in 18% of decks
$1.85
Lightning Greaves-17% Synergy
in 16% of decks
$3.36
Enchantments
Powerful enchantments that support Karumonix, the Rat King's strategy and create lasting battlefield effects.
Necrogen Communion+33% Synergy
in 35% of decks
$0.40
Cover of Darkness+31% Synergy
in 35% of decks
$21.66
Bad Moon+16% Synergy
in 20% of decks
$4.89
Phyresis+15% Synergy
in 18% of decks
$2.02
Haunted One+13% Synergy
in 16% of decks
$4.92
Oversold Cemetery+11% Synergy
in 17% of decks
$2.57
Tribute to Horobi+10% Synergy
in 12% of decks
$0.25
Lord Skitter's Blessing+6% Synergy
in 8% of decks
$0.34
Intimidation+5% Synergy
in 6% of decks
$0.90
Vampiric Rites+3% Synergy
in 9% of decks
$0.13
Grave Pact-2% Synergy
in 17% of decks
$32.87
Phyrexian Reclamation-3% Synergy
in 6% of decks
$2.98
Dictate of Erebos-3% Synergy
in 7% of decks
$17.76
Phyrexian Arena-4% Synergy
in 35% of decks
$2.97
Black Market-5% Synergy
in 15% of decks
$5.90
Black Market Connections-11% Synergy
in 14% of decks
$13.94
The Meathook Massacre-11% Synergy
in 6% of decks
$26.28
Planeswalkers
Planeswalkers that work alongside Karumonix, the Rat King to provide ongoing value and board presence.
Vraska, Betrayal's Sting+26% Synergy
in 29% of decks
$4.37
Liliana of the Dark Realms-4% Synergy
in 9% of decks
$9.78
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Swarmyard+49% Synergy
in 55% of decks
$5.62
Karn's Bastion+39% Synergy
in 43% of decks
$3.38
Mudflat Village+31% Synergy
in 34% of decks
$0.34
Rogue's Passage+16% Synergy
in 36% of decks
$3.45
Three Tree City+14% Synergy
in 19% of decks
$25.90
Access Tunnel+11% Synergy
in 14% of decks
$0.57
Mortuary Mire+9% Synergy
in 22% of decks
$0.39
Secret Tunnel+7% Synergy
in 8% of decks
$2.66
Witch's Cottage+0% Synergy
in 26% of decks
$0.63
Temple of the False God0% Synergy
in 7% of decks
$0.18
Barren Moor0% Synergy
in 9% of decks
$0.34
Crypt of Agadeem0% Synergy
in 11% of decks
$3.77
Shizo, Death's Storehouse-2% Synergy
in 8% of decks
$32.74
Castle Locthwain-5% Synergy
in 11% of decks
$4.19
Bojuka Bog-6% Synergy
in 41% of decks
$1.39
War Room-6% Synergy
in 9% of decks
$3.67
Reliquary Tower-7% Synergy
in 21% of decks
$2.99
Takenuma, Abandoned Mire-9% Synergy
in 7% of decks
$11.30
Cabal Stronghold-9% Synergy
in 24% of decks
$13.80
Nykthos, Shrine to Nyx-10% Synergy
in 19% of decks
$46.06
Phyrexian Tower-12% Synergy
in 15% of decks
$31.89
Cabal Coffers-14% Synergy
in 40% of decks
$28.22
Urborg, Tomb of Yawgmoth-14% Synergy
in 23% of decks
$51.75
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Glistening Sphere+27% Synergy
in 29% of decks
$13.60
Patchwork Banner+18% Synergy
in 24% of decks
$2.64
Staff of Compleation+13% Synergy
in 15% of decks
$4.18
Phyrexian Atlas+10% Synergy
in 11% of decks
$0.26
Heraldic Banner+8% Synergy
in 14% of decks
$0.30
Commander's Sphere0% Synergy
in 7% of decks
$0.24
Charcoal Diamond0% Synergy
in 21% of decks
$0.37
Caged Sun-2% Synergy
in 8% of decks
$3.89
Sol Ring-7% Synergy
in 78% of decks
$1.18
The Soul Stone-9% Synergy
in 7% of decks
$71.68
Mind Stone-11% Synergy
in 16% of decks
$0.32
Arcane Signet-12% Synergy
in 49% of decks
$0.33
Thought Vessel-14% Synergy
in 10% of decks
$4.98
Lands
The mana base foundation for Karumonix, the Rat King decks, ensuring smooth and reliable mana development.
Path of Ancestry+25% Synergy
in 31% of decks
$0.27
Big Apple, 3 a.m.+10% Synergy
in 13% of decks
$0.36
Cavern of Souls+6% Synergy
in 14% of decks
$50.25
Escape Tunnel+4% Synergy
in 5% of decks
$0.25
Command Tower+3% Synergy
in 10% of decks
$0.20
Swamp+2% Synergy
in 98% of decks
$0.11
Evolving Wilds+1% Synergy
in 6% of decks
$0.10
Myriad Landscape-6% Synergy
in 17% of decks
$0.29
Fell the Profane-11% Synergy
in 8% of decks
$5.24
Malakir Rebirth-13% Synergy
in 10% of decks
$11.61
Karumonix, the Rat King Deck Stats
Based on 7,051 Karumonix, the Rat King decks.
| Mana value | Cards |
|---|---|
| 1 | 10 |
| 2 | 21 |
| 3 | 17 |
| 4 | 6 |
| 5 | 6 |
| 6 | 2 |
| 7 | 1 |
99
cards
- Creature 34
- Instant 8
- Sorcery 9
- Artifact 9
- Enchantment 4
- Land 35
| Card type | Cards |
|---|---|
| Creature | 34 |
| Instant | 8 |
| Sorcery | 9 |
| Artifact | 9 |
| Enchantment | 4 |
| Land | 35 |
Lands: 28 basic, 7 nonbasic
#1
#689
Oct 2024 · #428
Sep 2026 · #689
| Month | Rank |
|---|---|
| 2024-10 | 428 |
| 2024-11 | 361 |
| 2024-12 | 346 |
| 2025-01 | 421 |
| 2025-02 | 422 |
| 2025-03 | 433 |
| 2025-04 | 434 |
| 2025-05 | 343 |
| 2025-06 | 416 |
| 2025-07 | 385 |
| 2025-08 | 399 |
| 2025-09 | 342 |
| 2025-10 | 356 |
| 2025-11 | 394 |
| 2025-12 | 318 |
| 2026-01 | 252 |
| 2026-02 | 327 |
| 2026-03 | 296 |
| 2026-04 | 413 |
| 2026-05 | 418 |
| 2026-06 | 431 |
| 2026-07 | 507 |
| 2026-08 | 475 |
| 2026-09 | 689 |
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