Mind Flayer, the Shadow (Commander) - Core

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,334
113decks
Background image for How To Play Horrors Differently In Commander
Sikora
Oct 30, 2025
How To Play Horrors Differently In Commander
It's the spookiest time of the year... are you thinking of brewing a deck full of Horrors? We've got some ideas for how to keep it unique!
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The Rise of Sozin
4.2%inclusion1 decks24 decks
4%synergy
High Synergy Cards
Brainstealer Dragon
74%inclusion84 decks113 decks
71%synergy
Elder Brain
73%inclusion82 decks113 decks
70%synergy
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73%inclusion82 decks113 decks
69%synergy
Cunning Rhetoric
66%inclusion75 decks113 decks
64%synergy
Intellect Devourer
63%inclusion71 decks113 decks
62%synergy
Thieving Amalgam
63%inclusion71 decks113 decks
61%synergy
Dead Man's Chest
53%inclusion60 decks113 decks
53%synergy
Junktroller
45%inclusion51 decks113 decks
45%synergy
Outrageous Robbery
46%inclusion51 decks110 decks
45%synergy
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50%inclusion56 decks113 decks
44%synergy
Top Cards
Dark Ritual
60%inclusion68 decks113 decks
-6%synergy
Crypt Ghast
60%inclusion68 decks113 decks
12%synergy
Gray Merchant of Asphodel
58%inclusion66 decks113 decks
7%synergy
Feed the Swarm
56%inclusion63 decks113 decks
4%synergy
Defile
53%inclusion60 decks113 decks
15%synergy
Sign in Blood
50%inclusion57 decks113 decks
14%synergy
Solemn Simulacrum
49%inclusion55 decks113 decks
25%synergy
Wayfarer's Bauble
45%inclusion51 decks113 decks
29%synergy
Geth, Lord of the Vault
45%inclusion51 decks113 decks
44%synergy
Jet Medallion
45%inclusion51 decks113 decks
-15%synergy
Creatures
Sepulchral Primordial
41%inclusion46 decks113 decks
38%synergy
Burnished Hart
41%inclusion46 decks113 decks
33%synergy
Reito Sentinel
40%inclusion45 decks113 decks
40%synergy
Thieving Varmint
37%inclusion40 decks107 decks
34%synergy
Nirkana Revenant
37%inclusion42 decks113 decks
26%synergy
Magus of the Coffers
35%inclusion40 decks113 decks
28%synergy
Nashi, Moon Sage's Scion
34%inclusion38 decks113 decks
29%synergy
Valgavoth, Terror Eater
31%inclusion27 decks88 decks
25%synergy
Leaden Myr
30%inclusion34 decks113 decks
24%synergy
K'rrik, Son of Yawgmoth
30%inclusion34 decks113 decks
12%synergy
Dauthi Voidwalker
29%inclusion33 decks113 decks
13%synergy
Dread Presence
28%inclusion32 decks113 decks
13%synergy
Crabomination
28%inclusion30 decks106 decks
27%synergy
Plaguecrafter
27%inclusion30 decks113 decks
7%synergy
Author of Shadows
26%inclusion29 decks113 decks
25%synergy
Rakshasa Debaser
26%inclusion29 decks113 decks
25%synergy
Bismuth Mindrender
25%inclusion27 decks106 decks
25%synergy
Gonti, Night Minister
23%inclusion13 decks56 decks
21%synergy
Draugr Necromancer
23%inclusion26 decks113 decks
23%synergy
Defiler of Flesh
20%inclusion23 decks113 decks
16%synergy
Gix, Yawgmoth Praetor
20%inclusion23 decks113 decks
15%synergy
Tinybones, the Pickpocket
20%inclusion22 decks110 decks
15%synergy
Kheru Mind-Eater
19%inclusion21 decks113 decks
18%synergy
Oblivion Sower
19%inclusion21 decks113 decks
18%synergy
Hoarding Broodlord
18%inclusion20 decks113 decks
13%synergy
Hoverstone Pilgrim
17%inclusion19 decks113 decks
17%synergy
Fleshbag Marauder
17%inclusion19 decks113 decks
1%synergy
Phyrexian Obliterator
16%inclusion18 decks113 decks
5%synergy
Lorcan, Warlock Collector
15%inclusion17 decks113 decks
15%synergy
Cogwork Archivist
14%inclusion16 decks113 decks
14%synergy
Herald of Leshrac
14%inclusion16 decks113 decks
14%synergy
Ravenous Chupacabra
14%inclusion16 decks113 decks
9%synergy
Chainer, Dementia Master
14%inclusion16 decks113 decks
9%synergy
Accursed Marauder
13%inclusion14 decks106 decks
-8%synergy
Tinybones, Bauble Burglar
13%inclusion10 decks77 decks
9%synergy
Ancient Cellarspawn
13%inclusion11 decks87 decks
10%synergy
Massacre Girl
12%inclusion14 decks113 decks
4%synergy
Jade-Cast Sentinel
12%inclusion5 decks42 decks
12%synergy
Sheoldred, Whispering One
12%inclusion13 decks113 decks
-1%synergy
Sheoldred
12%inclusion13 decks113 decks
5%synergy
Lord of the Void
12%inclusion13 decks113 decks
10%synergy
Morbid Opportunist
12%inclusion13 decks113 decks
-11%synergy
Massacre Wurm
11%inclusion12 decks113 decks
-7%synergy
Shelob, Dread Weaver
10%inclusion11 decks113 decks
9%synergy
Malevolent Chandelier
9.2%inclusion8 decks87 decks
9%synergy
Palladium Myr
8.8%inclusion10 decks113 decks
7%synergy
Murderous Rider
8.8%inclusion10 decks113 decks
2%synergy
Ornithopter of Paradise
8.8%inclusion10 decks113 decks
6%synergy
Syr Konrad, the Grim
8.0%inclusion9 decks113 decks
-13%synergy
Phyrexian Archivist
8.0%inclusion9 decks113 decks
8%synergy
Instants
Withering Torment
43%inclusion38 decks88 decks
12%synergy
Infernal Grasp
36%inclusion41 decks113 decks
11%synergy
Go for the Throat
33%inclusion37 decks113 decks
9%synergy
Soul Shatter
28%inclusion32 decks113 decks
16%synergy
Consuming Corruption
28%inclusion30 decks106 decks
12%synergy
Stinging Study
27%inclusion30 decks113 decks
24%synergy
Grim Return
22%inclusion25 decks113 decks
21%synergy
Fell the Profane
18%inclusion19 decks106 decks
-1%synergy
Imp's Mischief
16%inclusion18 decks113 decks
-8%synergy
Nurgle's Conscription
16%inclusion18 decks113 decks
15%synergy
Doom Blade
15%inclusion17 decks113 decks
7%synergy
Thrilling Encore
15%inclusion17 decks113 decks
13%synergy
Hero's Downfall
14%inclusion16 decks113 decks
7%synergy
Murder
13%inclusion15 decks113 decks
3%synergy
Darkness
12%inclusion13 decks113 decks
2%synergy
Malakir Rebirth
11%inclusion12 decks113 decks
-12%synergy
Baleful Mastery
11%inclusion12 decks113 decks
1%synergy
Tragic Slip
10%inclusion11 decks113 decks
-11%synergy
Hagra Mauling
10%inclusion11 decks113 decks
5%synergy
Sudden Spoiling
8.8%inclusion10 decks113 decks
-1%synergy
Black Sun's Twilight
8.0%inclusion9 decks113 decks
4%synergy
Deadly Rollick
8.0%inclusion9 decks113 decks
-15%synergy
Force of Despair
8.0%inclusion9 decks113 decks
0%synergy
Not Dead After All
8.0%inclusion9 decks113 decks
-3%synergy
Cabal Ritual
8.0%inclusion9 decks113 decks
-10%synergy
Hostile Negotiations
8.0%inclusion9 decks113 decks
7%synergy
Tendrils of Corruption
8.0%inclusion9 decks113 decks
4%synergy
Bitter Triumph
7.1%inclusion8 decks113 decks
-3%synergy
Fated Return
7.1%inclusion8 decks113 decks
7%synergy
Sheoldred's Edict
7.1%inclusion8 decks113 decks
-7%synergy
Village Rites
7.1%inclusion8 decks113 decks
-17%synergy
Withering Boon
6.2%inclusion7 decks113 decks
2%synergy
Deadly Dispute
5.3%inclusion6 decks113 decks
-18%synergy
Hellish Rebuke
5.3%inclusion6 decks113 decks
4%synergy
Sorceries
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41%inclusion46 decks113 decks
34%synergy
Dredge the Mire
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40%synergy
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21%synergy
Read the Bones
38%inclusion43 decks113 decks
20%synergy
Heartless Conscription
37%inclusion40 decks107 decks
36%synergy
Visions of Dread
35%inclusion40 decks113 decks
35%synergy
Reanimate
30%inclusion34 decks113 decks
-8%synergy
Cruelclaw's Heist
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27%synergy
Bubbling Muck
26%inclusion29 decks113 decks
10%synergy
Night's Whisper
26%inclusion29 decks113 decks
1%synergy
Necromantic Selection
25%inclusion28 decks113 decks
23%synergy
Syphon Mind
24%inclusion27 decks113 decks
11%synergy
Beacon of Unrest
19%inclusion21 decks113 decks
14%synergy
Rise of the Dark Realms
19%inclusion21 decks113 decks
6%synergy
Come Back Wrong
18%inclusion18 decks100 decks
15%synergy
Exsanguinate
18%inclusion20 decks113 decks
-7%synergy
Damnation
18%inclusion20 decks113 decks
-3%synergy
Praetor's Grasp
17%inclusion19 decks113 decks
13%synergy
In Garruk's Wake
16%inclusion18 decks113 decks
12%synergy
Ghouls' Night Out
16%inclusion18 decks113 decks
15%synergy
Toxic Deluge
16%inclusion18 decks113 decks
-21%synergy
Shadow of the Enemy
15%inclusion17 decks113 decks
14%synergy
Blasphemous Edict
14%inclusion11 decks77 decks
-3%synergy
Predators' Hour
14%inclusion16 decks113 decks
13%synergy
Xander's Pact
14%inclusion16 decks113 decks
14%synergy
Extinguish All Hope
13%inclusion15 decks113 decks
13%synergy
Victimize
12%inclusion13 decks113 decks
-14%synergy
Torment of Hailfire
12%inclusion13 decks113 decks
-4%synergy
Decree of Pain
11%inclusion12 decks113 decks
5%synergy
Deadly Tempest
10%inclusion11 decks113 decks
7%synergy
Ancient Craving
10%inclusion11 decks113 decks
7%synergy
Diabolic Tutor
10%inclusion11 decks113 decks
-5%synergy
Blood Money
8.8%inclusion10 decks113 decks
6%synergy
Psychotic Episode
8.0%inclusion9 decks113 decks
8%synergy
Afterlife from the Loam
7.1%inclusion3 decks42 decks
6%synergy
Command the Dreadhorde
7.1%inclusion8 decks113 decks
5%synergy
Petty Larceny
6.9%inclusion7 decks102 decks
6%synergy
Blood on the Snow
6.2%inclusion7 decks113 decks
5%synergy
Dead of Winter
6.2%inclusion7 decks113 decks
5%synergy
Yawgmoth's Vile Offering
6.2%inclusion7 decks113 decks
5%synergy
Invoke Despair
6.2%inclusion7 decks113 decks
4%synergy
Ambition's Cost
6.2%inclusion7 decks113 decks
3%synergy
Corrupt
6.2%inclusion7 decks113 decks
3%synergy
Fell
6.2%inclusion6 decks97 decks
2%synergy
Diresight
6.2%inclusion6 decks97 decks
3%synergy
Black Sun's Zenith
5.3%inclusion6 decks113 decks
-1%synergy
Utility Artifacts
Realmbreaker, the Invasion Tree
40%inclusion45 decks113 decks
39%synergy
Staff of Eden, Vault's Key
38%inclusion39 decks102 decks
37%synergy
Reito Lantern
36%inclusion41 decks113 decks
36%synergy
Swiftfoot Boots
22%inclusion25 decks113 decks
-9%synergy
Strionic Resonator
20%inclusion23 decks113 decks
19%synergy
Expedition Map
19%inclusion22 decks113 decks
7%synergy
Bontu's Monument
17%inclusion19 decks113 decks
-11%synergy
Lightning Greaves
14%inclusion16 decks113 decks
-19%synergy
Chaos Wand
13%inclusion15 decks113 decks
13%synergy
The Darkness Crystal
13%inclusion5 decks39 decks
-7%synergy
World Map
11%inclusion4 decks37 decks
9%synergy
Manascape Refractor
11%inclusion12 decks113 decks
10%synergy
The Cauldron of Eternity
8.8%inclusion10 decks113 decks
8%synergy
Mindcrank
8.8%inclusion10 decks113 decks
3%synergy
Portal to Phyrexia
8.8%inclusion10 decks113 decks
7%synergy
Whip of Erebos
8.0%inclusion9 decks113 decks
-3%synergy
Mask of Griselbrand
7.1%inclusion8 decks113 decks
4%synergy
Dream-Thief's Bandana
6.5%inclusion7 decks107 decks
6%synergy
Lithoform Engine
6.2%inclusion7 decks113 decks
6%synergy
Mimic Vat
6.2%inclusion7 decks113 decks
5%synergy
Apple of Eden, Isu Relic
5.9%inclusion6 decks102 decks
6%synergy
Nautiloid Ship
5.3%inclusion6 decks113 decks
5%synergy
Endless Atlas
5.3%inclusion6 decks113 decks
3%synergy
Enchantments
Court of Locthwain
41%inclusion46 decks113 decks
39%synergy
Phyrexian Arena
41%inclusion46 decks113 decks
0%synergy
Grave Betrayal
33%inclusion37 decks113 decks
30%synergy
The Eldest Reborn
27%inclusion30 decks113 decks
23%synergy
Black Market
24%inclusion27 decks113 decks
3%synergy
Animate Dead
24%inclusion27 decks113 decks
6%synergy
Meathook Massacre II
20%inclusion18 decks88 decks
13%synergy
Virtue of Persistence
19%inclusion22 decks113 decks
14%synergy
Black Market Connections
19%inclusion21 decks113 decks
-5%synergy
Minion's Return
19%inclusion21 decks113 decks
18%synergy
Hedonist's Trove
19%inclusion21 decks113 decks
18%synergy
Greed
8.8%inclusion10 decks113 decks
1%synergy
No Mercy
8.8%inclusion10 decks113 decks
2%synergy
Kaya's Ghostform
8.0%inclusion9 decks113 decks
-2%synergy
Sothera, the Supervoid
6.3%inclusion2 decks32 decks
3%synergy
The Cruelty of Gix
6.2%inclusion7 decks113 decks
4%synergy
Protection Racket
6.2%inclusion7 decks113 decks
6%synergy
Underworld Connections
5.3%inclusion6 decks113 decks
3%synergy
Planeswalkers
Liliana of the Dark Realms
17%inclusion19 decks113 decks
3%synergy
Tevesh Szat, Doom of Fools
5.3%inclusion6 decks113 decks
2%synergy
Utility Lands
Cabal Coffers
45%inclusion51 decks113 decks
-10%synergy
Bojuka Bog
40%inclusion45 decks113 decks
-7%synergy
Cabal Stronghold
37%inclusion42 decks113 decks
1%synergy
Urborg, Tomb of Yawgmoth
26%inclusion29 decks113 decks
-12%synergy
Nykthos, Shrine to Nyx
25%inclusion28 decks113 decks
-5%synergy
War Room
24%inclusion27 decks113 decks
7%synergy
Temple of the False God
24%inclusion27 decks113 decks
16%synergy
Witch's Cottage
23%inclusion26 decks113 decks
-2%synergy
Reliquary Tower
19%inclusion22 decks113 decks
-12%synergy
Rogue's Passage
19%inclusion21 decks113 decks
0%synergy
Castle Locthwain
17%inclusion19 decks113 decks
-1%synergy
Thespian's Stage
14%inclusion16 decks113 decks
8%synergy
Mortuary Mire
12%inclusion14 decks113 decks
-1%synergy
Takenuma, Abandoned Mire
11%inclusion12 decks113 decks
-5%synergy
Barren Moor
11%inclusion12 decks113 decks
0%synergy
Vesuva
11%inclusion12 decks113 decks
8%synergy
Command Beacon
8.0%inclusion9 decks113 decks
0%synergy
Susur Secundi, Void Altar
6.9%inclusion2 decks29 decks
-1%synergy
Havengul Laboratory
6.2%inclusion7 decks113 decks
6%synergy
Emergence Zone
6.2%inclusion7 decks113 decks
3%synergy
Terrain Generator
6.2%inclusion7 decks113 decks
4%synergy
Spymaster's Vault
5.7%inclusion6 decks106 decks
-4%synergy
Midgar, City of Mako
5.6%inclusion2 decks36 decks
-7%synergy
Everglades
5.3%inclusion6 decks113 decks
4%synergy
Mana Artifacts
Sol Ring
84%inclusion95 decks113 decks
-2%synergy
Arcane Signet
65%inclusion74 decks113 decks
3%synergy
Mind Stone
61%inclusion69 decks113 decks
30%synergy
Charcoal Diamond
59%inclusion67 decks113 decks
36%synergy
Thran Dynamo
40%inclusion45 decks113 decks
34%synergy
Thought Vessel
38%inclusion43 decks113 decks
11%synergy
Fellwar Stone
35%inclusion40 decks113 decks
21%synergy
Caged Sun
31%inclusion35 decks113 decks
19%synergy
Nyx Lotus
27%inclusion30 decks113 decks
20%synergy
Worn Powerstone
25%inclusion28 decks113 decks
20%synergy
Sceptre of Eternal Glory
23%inclusion26 decks113 decks
14%synergy
Commander's Sphere
23%inclusion26 decks113 decks
13%synergy
Vessel of Endless Rest
21%inclusion24 decks113 decks
21%synergy
Everflowing Chalice
18%inclusion20 decks113 decks
12%synergy
Hedron Archive
18%inclusion20 decks113 decks
14%synergy
Gauntlet of Power
17%inclusion19 decks113 decks
13%synergy
Gilded Lotus
16%inclusion18 decks113 decks
10%synergy
Throne of Eldraine
15%inclusion17 decks113 decks
4%synergy
Extraplanar Lens
12%inclusion14 decks113 decks
7%synergy
The Soul Stone
12%inclusion3 decks26 decks
-1%synergy
Prismatic Lens
12%inclusion13 decks113 decks
9%synergy
Chromatic Lantern
8.0%inclusion9 decks113 decks
7%synergy
Coldsteel Heart
7.1%inclusion8 decks113 decks
5%synergy
Lands
Swamp
83%inclusion94 decks113 decks
-12%synergy
Myriad Landscape
54%inclusion61 decks113 decks
27%synergy
Snow-Covered Swamp
19%inclusion22 decks113 decks
13%synergy
Fell the Profane
18%inclusion19 decks106 decks
-1%synergy
Urza's Cave
11%inclusion12 decks107 decks
3%synergy
Exotic Orchard
11%inclusion12 decks113 decks
9%synergy
Malakir Rebirth
11%inclusion12 decks113 decks
-12%synergy
Demolition Field
10%inclusion11 decks113 decks
4%synergy
Hagra Mauling
10%inclusion11 decks113 decks
5%synergy
Evolving Wilds
5.3%inclusion6 decks113 decks
2%synergy