Post, Son of Rich (Commander) - Relentless Rats

Original Name:

K'rrik, Son of YawgmothK'rrik, Son of Yawgmoth

Post, Son of Rich
Rank #50
22decks
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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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Relentless Rats
100%inclusion22 decks22 decks
98%synergy
Thrumming Stone
68%inclusion15 decks22 decks
65%synergy
Bontu's Monument
64%inclusion14 decks22 decks
36%synergy
Whip of Erebos
45%inclusion10 decks22 decks
35%synergy
Echoing Return
36%inclusion8 decks22 decks
33%synergy
Diabolic Tutor
45%inclusion10 decks22 decks
31%synergy
Demonic Counsel
33%inclusion4 decks12 decks
30%synergy
Profane Tutor
32%inclusion7 decks22 decks
27%synergy
Diabolic Intent
41%inclusion9 decks22 decks
26%synergy
Ratcatcher
27%inclusion6 decks22 decks
24%synergy
Top Cards
Dark Ritual
73%inclusion16 decks22 decks
6%synergy
Jet Medallion
68%inclusion15 decks22 decks
8%synergy
Gray Merchant of Asphodel
50%inclusion11 decks22 decks
-2%synergy
Crypt Ghast
45%inclusion10 decks22 decks
-3%synergy
Sign in Blood
41%inclusion9 decks22 decks
4%synergy
Phyrexian Arena
41%inclusion9 decks22 decks
1%synergy
Cabal Ritual
36%inclusion8 decks22 decks
19%synergy
Night's Whisper
32%inclusion7 decks22 decks
8%synergy
Toxic Deluge
32%inclusion7 decks22 decks
-5%synergy
Black Market Connections
32%inclusion7 decks22 decks
9%synergy
Game Changers
Vampiric Tutor
55%inclusion12 decks22 decks
33%synergy
Bolas's Citadel
50%inclusion11 decks22 decks
21%synergy
Demonic Tutor
50%inclusion11 decks22 decks
22%synergy
Necropotence
32%inclusion7 decks22 decks
16%synergy
Mana Vault
27%inclusion6 decks22 decks
20%synergy
Imperial Seal
23%inclusion5 decks22 decks
16%synergy
Ancient Tomb
23%inclusion5 decks22 decks
11%synergy
Chrome Mox
18%inclusion4 decks22 decks
12%synergy
Grim Monolith
9.1%inclusion2 decks22 decks
6%synergy
The One Ring
9.1%inclusion2 decks22 decks
-1%synergy
Creatures
Karumonix, the Rat King
27%inclusion6 decks22 decks
23%synergy
Marrow-Gnawer
23%inclusion5 decks22 decks
20%synergy
Piper of the Swarm
23%inclusion5 decks22 decks
16%synergy
Blood Pet
18%inclusion4 decks22 decks
10%synergy
Ogre Slumlord
14%inclusion3 decks22 decks
4%synergy
Sheoldred, the Apocalypse
14%inclusion3 decks22 decks
-1%synergy
Ayara, First of Locthwain
14%inclusion3 decks22 decks
-12%synergy
Blood Celebrant
14%inclusion3 decks22 decks
9%synergy
Vito, Thorn of the Dusk Rose
14%inclusion3 decks22 decks
3%synergy
Vilis, Broker of Blood
14%inclusion3 decks22 decks
0%synergy
Lord Skitter, Sewer King
14%inclusion3 decks22 decks
6%synergy
Ancient Cellarspawn
9.1%inclusion1 decks11 decks
7%synergy
Razaketh, the Foulblooded
9.1%inclusion2 decks22 decks
4%synergy
Syr Konrad, the Grim
9.1%inclusion2 decks22 decks
-11%synergy
Magus of the Coffers
9.1%inclusion2 decks22 decks
2%synergy
Species Specialist
9.1%inclusion2 decks22 decks
6%synergy
Pack Rat
9.1%inclusion2 decks22 decks
3%synergy
Thrull Parasite
9.1%inclusion2 decks22 decks
7%synergy
Ink-Eyes, Servant of Oni
9.1%inclusion2 decks22 decks
6%synergy
Basilica Screecher
9.1%inclusion2 decks22 decks
7%synergy
Sangromancer
9.1%inclusion2 decks22 decks
-2%synergy
Ashcoat of the Shadow Swarm
9.1%inclusion2 decks22 decks
6%synergy
Typhoid Rats
9.1%inclusion2 decks22 decks
5%synergy
Pontiff of Blight
9.1%inclusion2 decks22 decks
5%synergy
Nine-Lives Familiar
7.7%inclusion1 decks13 decks
0%synergy
Doomsday Excruciator
7.7%inclusion1 decks13 decks
5%synergy
Boggart Trawler
7.1%inclusion1 decks14 decks
-2%synergy
Ruthless Radrat
5.3%inclusion1 decks19 decks
4%synergy
Massacre Girl, Known Killer
5.3%inclusion1 decks19 decks
1%synergy
Instants
Deadly Rollick
27%inclusion6 decks22 decks
4%synergy
Culling the Weak
27%inclusion6 decks22 decks
13%synergy
Defile
23%inclusion5 decks22 decks
-15%synergy
Deadly Dispute
18%inclusion4 decks22 decks
-6%synergy
Withering Torment
17%inclusion2 decks12 decks
-15%synergy
Imp's Mischief
14%inclusion3 decks22 decks
-10%synergy
Snuff Out
14%inclusion3 decks22 decks
1%synergy
Village Rites
14%inclusion3 decks22 decks
-11%synergy
Murder
14%inclusion3 decks22 decks
3%synergy
Baleful Mastery
14%inclusion3 decks22 decks
4%synergy
Corrupted Conviction
14%inclusion3 decks22 decks
2%synergy
Hagra Mauling
9.1%inclusion2 decks22 decks
5%synergy
Astarion's Thirst
9.1%inclusion2 decks22 decks
8%synergy
Sacrifice
9.1%inclusion2 decks22 decks
4%synergy
Force of Despair
9.1%inclusion2 decks22 decks
1%synergy
Stinging Study
9.1%inclusion2 decks22 decks
6%synergy
Sheoldred's Edict
9.1%inclusion2 decks22 decks
-5%synergy
Doom Blade
9.1%inclusion2 decks22 decks
1%synergy
Altar's Reap
9.1%inclusion2 decks22 decks
7%synergy
Bitter Triumph
9.1%inclusion2 decks22 decks
-1%synergy
Costly Plunder
9.1%inclusion2 decks22 decks
7%synergy
Ad Nauseam
9.1%inclusion2 decks22 decks
6%synergy
Malakir Rebirth
9.1%inclusion2 decks22 decks
-13%synergy
Sudden Spoiling
9.1%inclusion2 decks22 decks
0%synergy
Feed the Cycle
8.3%inclusion1 decks12 decks
8%synergy
Fell the Profane
7.1%inclusion1 decks14 decks
-11%synergy
Consuming Corruption
7.1%inclusion1 decks14 decks
-9%synergy
Toxin Analysis
5.3%inclusion1 decks19 decks
5%synergy
Slice from the Shadows
5.3%inclusion1 decks19 decks
3%synergy
Presumed Dead
5.3%inclusion1 decks19 decks
5%synergy
Sorceries
Insatiable Avarice
31%inclusion5 decks16 decks
19%synergy
Feed the Swarm
27%inclusion6 decks22 decks
-24%synergy
Damnation
27%inclusion6 decks22 decks
6%synergy
Grim Tutor
27%inclusion6 decks22 decks
15%synergy
Patriarch's Bidding
23%inclusion5 decks22 decks
18%synergy
Bubbling Muck
23%inclusion5 decks22 decks
7%synergy
Exsanguinate
23%inclusion5 decks22 decks
-2%synergy
Beseech the Mirror
23%inclusion5 decks22 decks
16%synergy
Torment of Hailfire
18%inclusion4 decks22 decks
2%synergy
Read the Bones
18%inclusion4 decks22 decks
0%synergy
Kindred Dominance
18%inclusion4 decks22 decks
14%synergy
Peer into the Abyss
14%inclusion3 decks22 decks
3%synergy
Mastermind's Acquisition
14%inclusion3 decks22 decks
12%synergy
Dark Petition
14%inclusion3 decks22 decks
10%synergy
Illicit Shipment
14%inclusion3 decks22 decks
13%synergy
Beseech the Queen
14%inclusion3 decks22 decks
7%synergy
Promise of Power
14%inclusion3 decks22 decks
12%synergy
Razaketh's Rite
9.1%inclusion2 decks22 decks
8%synergy
Agadeem's Awakening
9.1%inclusion2 decks22 decks
2%synergy
Infernal Tutor
9.1%inclusion2 decks22 decks
9%synergy
Scheming Symmetry
9.1%inclusion2 decks22 decks
5%synergy
Profane Command
9.1%inclusion2 decks22 decks
7%synergy
Ancient Craving
9.1%inclusion2 decks22 decks
7%synergy
Ambition's Cost
9.1%inclusion2 decks22 decks
6%synergy
Ashes to Ashes
9.1%inclusion2 decks22 decks
9%synergy
Living Death
9.1%inclusion2 decks22 decks
-1%synergy
Final Parting
9.1%inclusion2 decks22 decks
4%synergy
Syphon Mind
9.1%inclusion2 decks22 decks
-4%synergy
Cruel Tutor
9.1%inclusion2 decks22 decks
8%synergy
Brainspoil
9.1%inclusion2 decks22 decks
9%synergy
Crippling Fear
9.1%inclusion2 decks22 decks
6%synergy
Season of Loss
8.3%inclusion1 decks12 decks
6%synergy
Final Act
6.7%inclusion1 decks15 decks
5%synergy
Utility Artifacts
Aetherflux Reservoir
27%inclusion6 decks22 decks
17%synergy
Wayfarer's Bauble
23%inclusion5 decks22 decks
6%synergy
Vanquisher's Banner
23%inclusion5 decks22 decks
19%synergy
Expedition Map
23%inclusion5 decks22 decks
10%synergy
Herald's Horn
23%inclusion5 decks22 decks
17%synergy
Demon's Horn
23%inclusion5 decks22 decks
18%synergy
Mirror Box
18%inclusion4 decks22 decks
18%synergy
Lightning Greaves
18%inclusion4 decks22 decks
-15%synergy
Wishclaw Talisman
14%inclusion3 decks22 decks
7%synergy
Spellbook
14%inclusion3 decks22 decks
13%synergy
Staff of the Death Magus
14%inclusion3 decks22 decks
10%synergy
Door of Destinies
9.1%inclusion2 decks22 decks
7%synergy
Tarrian's Journal
9.1%inclusion2 decks22 decks
7%synergy
Swiftfoot Boots
9.1%inclusion2 decks22 decks
-22%synergy
Empyrial Plate
9.1%inclusion2 decks22 decks
9%synergy
Venser's Journal
9.1%inclusion2 decks22 decks
7%synergy
Enchantments
Font of Agonies
18%inclusion4 decks22 decks
13%synergy
Greed
14%inclusion3 decks22 decks
6%synergy
Exquisite Blood
14%inclusion3 decks22 decks
0%synergy
Case of the Stashed Skeleton
11%inclusion2 decks19 decks
8%synergy
The Meathook Massacre
9.1%inclusion2 decks22 decks
-8%synergy
Underworld Connections
9.1%inclusion2 decks22 decks
7%synergy
Vampiric Link
9.1%inclusion2 decks22 decks
8%synergy
Phyrexian Reclamation
9.1%inclusion2 decks22 decks
-1%synergy
Sanguine Bond
9.1%inclusion2 decks22 decks
-3%synergy
One Ring to Rule Them All
9.1%inclusion2 decks22 decks
8%synergy
Oversold Cemetery
9.1%inclusion2 decks22 decks
4%synergy
Necrodominance
7.1%inclusion1 decks14 decks
4%synergy
Utility Lands
Cabal Coffers
59%inclusion13 decks22 decks
4%synergy
Reliquary Tower
32%inclusion7 decks22 decks
0%synergy
Urborg, Tomb of Yawgmoth
32%inclusion7 decks22 decks
-6%synergy
Bojuka Bog
27%inclusion6 decks22 decks
-20%synergy
Nykthos, Shrine to Nyx
27%inclusion6 decks22 decks
-3%synergy
Cabal Stronghold
23%inclusion5 decks22 decks
-13%synergy
Swarmyard
23%inclusion5 decks22 decks
18%synergy
Phyrexian Tower
18%inclusion4 decks22 decks
-6%synergy
Three Tree City
17%inclusion2 decks12 decks
12%synergy
Shizo, Death's Storehouse
14%inclusion3 decks22 decks
4%synergy
Crystal Vein
14%inclusion3 decks22 decks
11%synergy
Rogue's Passage
14%inclusion3 decks22 decks
-5%synergy
Crypt of Agadeem
9.1%inclusion2 decks22 decks
-2%synergy
Witch's Cottage
9.1%inclusion2 decks22 decks
-15%synergy
Volrath's Stronghold
9.1%inclusion2 decks22 decks
5%synergy
Takenuma, Abandoned Mire
9.1%inclusion2 decks22 decks
-7%synergy
Thespian's Stage
9.1%inclusion2 decks22 decks
3%synergy
Castle Locthwain
9.1%inclusion2 decks22 decks
-9%synergy
Strip Mine
9.1%inclusion2 decks22 decks
6%synergy
Mudflat Village
7.7%inclusion1 decks13 decks
5%synergy
Spymaster's Vault
7.1%inclusion1 decks14 decks
-3%synergy
Mana Artifacts
Sol Ring
82%inclusion18 decks22 decks
-5%synergy
Arcane Signet
59%inclusion13 decks22 decks
-3%synergy
Thought Vessel
32%inclusion7 decks22 decks
5%synergy
Mind Stone
32%inclusion7 decks22 decks
1%synergy
Charcoal Diamond
27%inclusion6 decks22 decks
4%synergy
Jeweled Lotus
18%inclusion4 decks22 decks
15%synergy
Lotus Petal
18%inclusion4 decks22 decks
11%synergy
Fellwar Stone
18%inclusion4 decks22 decks
3%synergy
Mana Crypt
14%inclusion3 decks22 decks
11%synergy
Throne of Eldraine
14%inclusion3 decks22 decks
3%synergy
Mox Amber
14%inclusion3 decks22 decks
9%synergy
Decanter of Endless Water
14%inclusion3 decks22 decks
10%synergy
Commander's Sphere
9.1%inclusion2 decks22 decks
0%synergy
Thran Dynamo
9.1%inclusion2 decks22 decks
3%synergy
Worn Powerstone
9.1%inclusion2 decks22 decks
5%synergy
Mox Tantalite
9.1%inclusion2 decks22 decks
9%synergy
Nyx Lotus
9.1%inclusion2 decks22 decks
2%synergy
Mox Opal
9.1%inclusion2 decks22 decks
6%synergy
Lands
Swamp
82%inclusion18 decks22 decks
-13%synergy
Myriad Landscape
18%inclusion4 decks22 decks
-9%synergy
Hagra Mauling
9.1%inclusion2 decks22 decks
5%synergy
Agadeem's Awakening
9.1%inclusion2 decks22 decks
2%synergy
Malakir Rebirth
9.1%inclusion2 decks22 decks
-13%synergy
Snow-Covered Swamp
9.1%inclusion2 decks22 decks
2%synergy
Fell the Profane
7.1%inclusion1 decks14 decks
-11%synergy
Boggart Trawler
7.1%inclusion1 decks14 decks
-2%synergy
Talon Gates of Madara
7.1%inclusion1 decks14 decks
5%synergy
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