K'rrik, Son of Yawgmoth (Commander) - Rat Colony

Alternate Names:

Emet-Selch, AscianEmet-Selch, Ascian, Post, Son of RichPost, Son of Rich

K'rrik, Son of Yawgmoth
Rank #52
32decks
As CommanderAs CardAverage DeckDecks
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Background image for The Best Horror Combos in Commander
Ethan Coover
Oct 20, 2025
Ethan Coover
The Best Horror Combos in Commander
There are plenty of Horror creatures in Magic, but which are the best at comboing? In honor of Halloween, Ethan Coover lists the best 10.
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Rat Colony
100%inclusion32 decks32 decks
95%synergy
Thrumming Stone
75%inclusion24 decks32 decks
72%synergy
Echoing Return
66%inclusion21 decks32 decks
63%synergy
Bontu's Monument
88%inclusion28 decks32 decks
60%synergy
Marrow-Gnawer
59%inclusion19 decks32 decks
57%synergy
Herald's Horn
47%inclusion15 decks32 decks
41%synergy
Piper of the Swarm
47%inclusion15 decks32 decks
40%synergy
Aetherflux Reservoir
50%inclusion16 decks32 decks
40%synergy
Whip of Erebos
50%inclusion16 decks32 decks
39%synergy
Ogre Slumlord
47%inclusion15 decks32 decks
37%synergy
Top Cards
Jet Medallion
91%inclusion29 decks32 decks
30%synergy
Dark Ritual
69%inclusion22 decks32 decks
2%synergy
Gray Merchant of Asphodel
63%inclusion20 decks32 decks
11%synergy
Ayara, First of Locthwain
44%inclusion14 decks32 decks
18%synergy
Crypt Ghast
44%inclusion14 decks32 decks
-5%synergy
Feed the Swarm
41%inclusion13 decks32 decks
-11%synergy
Karumonix, the Rat King
41%inclusion13 decks32 decks
37%synergy
Diabolic Tutor
38%inclusion12 decks32 decks
23%synergy
Vilis, Broker of Blood
38%inclusion12 decks32 decks
24%synergy
Sign in Blood
38%inclusion12 decks32 decks
1%synergy
Game Changers
Bolas's Citadel
53%inclusion17 decks32 decks
24%synergy
Vampiric Tutor
53%inclusion17 decks32 decks
32%synergy
Demonic Tutor
50%inclusion16 decks32 decks
22%synergy
Necropotence
34%inclusion11 decks32 decks
19%synergy
Imperial Seal
28%inclusion9 decks32 decks
21%synergy
Ancient Tomb
28%inclusion9 decks32 decks
16%synergy
Chrome Mox
19%inclusion6 decks32 decks
13%synergy
Opposition Agent
16%inclusion5 decks32 decks
6%synergy
Mana Vault
16%inclusion5 decks32 decks
9%synergy
Orcish Bowmasters
13%inclusion4 decks32 decks
-1%synergy
Creatures
Species Specialist
34%inclusion11 decks32 decks
31%synergy
Pack Rat
34%inclusion11 decks32 decks
29%synergy
Sheoldred, the Apocalypse
31%inclusion10 decks32 decks
16%synergy
Lord Skitter, Sewer King
28%inclusion9 decks32 decks
20%synergy
Ashcoat of the Shadow Swarm
25%inclusion8 decks32 decks
22%synergy
Ratcatcher
25%inclusion8 decks32 decks
22%synergy
Crashing Drawbridge
19%inclusion6 decks32 decks
17%synergy
Blood Celebrant
19%inclusion6 decks32 decks
14%synergy
Vito, Thorn of the Dusk Rose
19%inclusion6 decks32 decks
8%synergy
Valley Rotcaller
17%inclusion4 decks23 decks
15%synergy
Typhoid Rats
16%inclusion5 decks32 decks
12%synergy
Pontiff of Blight
16%inclusion5 decks32 decks
12%synergy
Blood Artist
13%inclusion4 decks32 decks
-19%synergy
Dimir House Guard
13%inclusion4 decks32 decks
9%synergy
Skirge Familiar
13%inclusion4 decks32 decks
7%synergy
Nashi, Moon Sage's Scion
13%inclusion4 decks32 decks
8%synergy
Blood Pet
13%inclusion4 decks32 decks
4%synergy
Crypt Rats
9.4%inclusion3 decks32 decks
5%synergy
Razaketh, the Foulblooded
9.4%inclusion3 decks32 decks
4%synergy
Asmodeus the Archfiend
9.4%inclusion3 decks32 decks
5%synergy
Morbid Opportunist
9.4%inclusion3 decks32 decks
-13%synergy
Defiler of Flesh
9.4%inclusion3 decks32 decks
5%synergy
Tangled Colony
9.4%inclusion3 decks32 decks
6%synergy
Lord Skitter's Butcher
9.4%inclusion3 decks32 decks
6%synergy
Ink-Eyes, Servant of Oni
9.4%inclusion3 decks32 decks
6%synergy
Nirkana Revenant
9.4%inclusion3 decks32 decks
-2%synergy
Zulaport Cutthroat
9.4%inclusion3 decks32 decks
-14%synergy
Swarm of Rats
9.4%inclusion3 decks32 decks
7%synergy
Disciple of Bolas
9.4%inclusion3 decks32 decks
5%synergy
Diamond Mare
9.4%inclusion3 decks32 decks
8%synergy
Chainer, Dementia Master
9.4%inclusion3 decks32 decks
4%synergy
Boggart Trawler
7.7%inclusion2 decks26 decks
-1%synergy
Warren Soultrader
7.7%inclusion2 decks26 decks
-5%synergy
Valgavoth, Terror Eater
7.1%inclusion1 decks14 decks
2%synergy
Shadowheart, Dark Justiciar
6.3%inclusion2 decks32 decks
4%synergy
Hoarding Broodlord
6.3%inclusion2 decks32 decks
2%synergy
Necrotic Ooze
6.3%inclusion2 decks32 decks
2%synergy
Mukotai Ambusher
6.3%inclusion2 decks32 decks
5%synergy
Ornithopter of Paradise
6.3%inclusion2 decks32 decks
3%synergy
Filth
6.3%inclusion2 decks32 decks
4%synergy
Chittering Witch
6.3%inclusion2 decks32 decks
2%synergy
Voracious Vermin
6.3%inclusion2 decks32 decks
3%synergy
Sheoldred, Whispering One
6.3%inclusion2 decks32 decks
-6%synergy
Nezumi Prowler
6.3%inclusion2 decks32 decks
5%synergy
Blightbelly Rat
6.3%inclusion2 decks32 decks
3%synergy
Gnat Miser
6.3%inclusion2 decks32 decks
3%synergy
Dauthi Voidwalker
6.3%inclusion2 decks32 decks
-10%synergy
Magus of the Mirror
6.3%inclusion2 decks32 decks
5%synergy
Viscera Seer
6.3%inclusion2 decks32 decks
-10%synergy
Instants
Cabal Ritual
34%inclusion11 decks32 decks
17%synergy
Deadly Rollick
31%inclusion10 decks32 decks
8%synergy
Village Rites
31%inclusion10 decks32 decks
7%synergy
Culling the Weak
28%inclusion9 decks32 decks
13%synergy
Imp's Mischief
25%inclusion8 decks32 decks
1%synergy
Deadly Dispute
22%inclusion7 decks32 decks
-2%synergy
Withering Torment
14%inclusion2 decks14 decks
-17%synergy
Defile
13%inclusion4 decks32 decks
-25%synergy
Foul-Tongue Shriek
13%inclusion4 decks32 decks
11%synergy
Fell the Profane
12%inclusion3 decks26 decks
-7%synergy
Infernal Grasp
9.4%inclusion3 decks32 decks
-16%synergy
Malakir Rebirth
9.4%inclusion3 decks32 decks
-13%synergy
Baleful Mastery
9.4%inclusion3 decks32 decks
0%synergy
Corrupted Conviction
9.4%inclusion3 decks32 decks
-3%synergy
Dismember
9.4%inclusion3 decks32 decks
-2%synergy
Flare of Malice
7.7%inclusion2 decks26 decks
-5%synergy
Bile Blight
6.3%inclusion2 decks32 decks
5%synergy
Go for the Throat
6.3%inclusion2 decks32 decks
-17%synergy
Bitter Triumph
6.3%inclusion2 decks32 decks
-4%synergy
Offer Immortality
6.3%inclusion2 decks32 decks
4%synergy
Sudden Spoiling
6.3%inclusion2 decks32 decks
-3%synergy
Tragic Slip
6.3%inclusion2 decks32 decks
-14%synergy
Sorceries
Grim Tutor
38%inclusion12 decks32 decks
26%synergy
Patriarch's Bidding
31%inclusion10 decks32 decks
27%synergy
Diabolic Intent
28%inclusion9 decks32 decks
14%synergy
Secret Salvage
25%inclusion8 decks32 decks
24%synergy
Exsanguinate
22%inclusion7 decks32 decks
-2%synergy
Beseech the Queen
22%inclusion7 decks32 decks
16%synergy
Night's Whisper
19%inclusion6 decks32 decks
-6%synergy
Toxic Deluge
19%inclusion6 decks32 decks
-18%synergy
Insatiable Avarice
18%inclusion5 decks28 decks
6%synergy
Peer into the Abyss
16%inclusion5 decks32 decks
5%synergy
Reanimate
16%inclusion5 decks32 decks
-23%synergy
Kindred Dominance
16%inclusion5 decks32 decks
11%synergy
Profane Tutor
13%inclusion4 decks32 decks
8%synergy
Beseech the Mirror
13%inclusion4 decks32 decks
6%synergy
Revenge of the Rats
11%inclusion1 decks9 decks
9%synergy
Bubbling Muck
9.4%inclusion3 decks32 decks
-6%synergy
Read the Bones
9.4%inclusion3 decks32 decks
-9%synergy
Final Parting
9.4%inclusion3 decks32 decks
5%synergy
Gruesome Fate
9.4%inclusion3 decks32 decks
7%synergy
Damnation
9.4%inclusion3 decks32 decks
-11%synergy
Cruel Tutor
9.4%inclusion3 decks32 decks
8%synergy
Rise of the Dark Realms
9.4%inclusion3 decks32 decks
-3%synergy
Pact of the Serpent
9.4%inclusion3 decks32 decks
8%synergy
Profane Transfusion
6.3%inclusion2 decks32 decks
5%synergy
Infernal Tutor
6.3%inclusion2 decks32 decks
6%synergy
Mastermind's Acquisition
6.3%inclusion2 decks32 decks
4%synergy
Dark Petition
6.3%inclusion2 decks32 decks
2%synergy
Buried Alive
6.3%inclusion2 decks32 decks
-5%synergy
Living Death
6.3%inclusion2 decks32 decks
-4%synergy
Dimir Machinations
6.3%inclusion2 decks32 decks
6%synergy
Plague of Vermin
6.3%inclusion2 decks32 decks
4%synergy
Utility Artifacts
Demon's Horn
38%inclusion12 decks32 decks
33%synergy
Skullclamp
31%inclusion10 decks32 decks
10%synergy
Vanquisher's Banner
31%inclusion10 decks32 decks
27%synergy
Lightning Greaves
28%inclusion9 decks32 decks
-5%synergy
Ashnod's Altar
25%inclusion8 decks32 decks
6%synergy
Cloud Key
22%inclusion7 decks32 decks
20%synergy
Helm of Awakening
22%inclusion7 decks32 decks
20%synergy
Staff of the Death Magus
19%inclusion6 decks32 decks
15%synergy
Wayfarer's Bauble
13%inclusion4 decks32 decks
-4%synergy
Wishclaw Talisman
13%inclusion4 decks32 decks
6%synergy
Door of Destinies
13%inclusion4 decks32 decks
10%synergy
Urza's Incubator
13%inclusion4 decks32 decks
11%synergy
Swiftfoot Boots
13%inclusion4 decks32 decks
-19%synergy
Sensei's Divining Top
9.4%inclusion3 decks32 decks
1%synergy
The One Ring
9.4%inclusion3 decks32 decks
0%synergy
Coat of Arms
9.4%inclusion3 decks32 decks
7%synergy
Akroma's Memorial
9.4%inclusion3 decks32 decks
9%synergy
Eldrazi Monument
9.4%inclusion3 decks32 decks
8%synergy
Prism Ring
6.3%inclusion2 decks32 decks
4%synergy
Icon of Ancestry
6.3%inclusion2 decks32 decks
5%synergy
Mirror Box
6.3%inclusion2 decks32 decks
6%synergy
Phyrexian Altar
6.3%inclusion2 decks32 decks
-7%synergy
Expedition Map
6.3%inclusion2 decks32 decks
-6%synergy
Semblance Anvil
6.3%inclusion2 decks32 decks
6%synergy
Locket of Yesterdays
6.3%inclusion2 decks32 decks
6%synergy
Basilisk Collar
6.3%inclusion2 decks32 decks
4%synergy
Enchantments
Black Market Connections
38%inclusion12 decks32 decks
14%synergy
Phyrexian Arena
25%inclusion8 decks32 decks
-15%synergy
Greed
16%inclusion5 decks32 decks
8%synergy
Necrodominance
15%inclusion4 decks26 decks
13%synergy
Black Market
13%inclusion4 decks32 decks
-9%synergy
Exquisite Blood
13%inclusion4 decks32 decks
-1%synergy
The Meathook Massacre
9.4%inclusion3 decks32 decks
-8%synergy
Haunted One
6.3%inclusion2 decks32 decks
4%synergy
Grave Pact
6.3%inclusion2 decks32 decks
-12%synergy
Sanguine Bond
6.3%inclusion2 decks32 decks
-6%synergy
Font of Agonies
6.3%inclusion2 decks32 decks
1%synergy
Animate Dead
6.3%inclusion2 decks32 decks
-11%synergy
Bastion of Remembrance
6.3%inclusion2 decks32 decks
-10%synergy
Cover of Darkness
6.3%inclusion2 decks32 decks
4%synergy
Heartless Summoning
6.3%inclusion2 decks32 decks
2%synergy
Bad Moon
6.3%inclusion2 decks32 decks
3%synergy
Utility Lands
Cabal Coffers
66%inclusion21 decks32 decks
11%synergy
Urborg, Tomb of Yawgmoth
47%inclusion15 decks32 decks
9%synergy
Cabal Stronghold
41%inclusion13 decks32 decks
5%synergy
Nykthos, Shrine to Nyx
41%inclusion13 decks32 decks
11%synergy
Phyrexian Tower
34%inclusion11 decks32 decks
10%synergy
Swarmyard
34%inclusion11 decks32 decks
29%synergy
Witch's Cottage
31%inclusion10 decks32 decks
7%synergy
Bojuka Bog
25%inclusion8 decks32 decks
-22%synergy
Reliquary Tower
22%inclusion7 decks32 decks
-9%synergy
Castle Locthwain
19%inclusion6 decks32 decks
1%synergy
Buried Ruin
16%inclusion5 decks32 decks
10%synergy
Urza's Saga
16%inclusion5 decks32 decks
8%synergy
Crystal Vein
16%inclusion5 decks32 decks
13%synergy
Takenuma, Abandoned Mire
13%inclusion4 decks32 decks
-3%synergy
Homeward Path
13%inclusion4 decks32 decks
11%synergy
Rogue's Passage
13%inclusion4 decks32 decks
-6%synergy
Vault of Whispers
9.4%inclusion3 decks32 decks
4%synergy
Scorched Ruins
9.4%inclusion3 decks32 decks
9%synergy
Lake of the Dead
9.4%inclusion3 decks32 decks
4%synergy
Mudflat Village
8.7%inclusion2 decks23 decks
6%synergy
Three Tree City
8.7%inclusion2 decks23 decks
5%synergy
Spymaster's Vault
7.7%inclusion2 decks26 decks
-2%synergy
Shizo, Death's Storehouse
6.3%inclusion2 decks32 decks
-4%synergy
Arch of Orazca
6.3%inclusion2 decks32 decks
6%synergy
Crypt of Agadeem
6.3%inclusion2 decks32 decks
-5%synergy
Mutavault
6.3%inclusion2 decks32 decks
6%synergy
War Room
6.3%inclusion2 decks32 decks
-10%synergy
Emergence Zone
6.3%inclusion2 decks32 decks
3%synergy
Geier Reach Sanitarium
6.3%inclusion2 decks32 decks
-5%synergy
Command Beacon
6.3%inclusion2 decks32 decks
-2%synergy
Inventors' Fair
6.3%inclusion2 decks32 decks
4%synergy
Thespian's Stage
6.3%inclusion2 decks32 decks
1%synergy
Temple of the False God
6.3%inclusion2 decks32 decks
-2%synergy
Mana Artifacts
Sol Ring
94%inclusion30 decks32 decks
7%synergy
Arcane Signet
75%inclusion24 decks32 decks
13%synergy
Thought Vessel
28%inclusion9 decks32 decks
1%synergy
Charcoal Diamond
22%inclusion7 decks32 decks
-1%synergy
Mana Crypt
16%inclusion5 decks32 decks
13%synergy
Fellwar Stone
16%inclusion5 decks32 decks
1%synergy
Lotus Petal
13%inclusion4 decks32 decks
5%synergy
Mind Stone
13%inclusion4 decks32 decks
-18%synergy
Mox Opal
13%inclusion4 decks32 decks
9%synergy
Caged Sun
9.4%inclusion3 decks32 decks
-3%synergy
Heraldic Banner
9.4%inclusion3 decks32 decks
4%synergy
Mox Amber
9.4%inclusion3 decks32 decks
5%synergy
Springleaf Drum
9.4%inclusion3 decks32 decks
7%synergy
Nyx Lotus
9.4%inclusion3 decks32 decks
2%synergy
Jeweled Lotus
6.3%inclusion2 decks32 decks
4%synergy
Throne of Eldraine
6.3%inclusion2 decks32 decks
-4%synergy
Lands
Swamp
91%inclusion29 decks32 decks
-4%synergy
Cavern of Souls
16%inclusion5 decks32 decks
9%synergy
Gemstone Caverns
13%inclusion4 decks32 decks
8%synergy
Fell the Profane
12%inclusion3 decks26 decks
-7%synergy
Myriad Landscape
9.4%inclusion3 decks32 decks
-17%synergy
Malakir Rebirth
9.4%inclusion3 decks32 decks
-13%synergy
Path of Ancestry
9.4%inclusion3 decks32 decks
4%synergy
Boggart Trawler
7.7%inclusion2 decks26 decks
-1%synergy
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