Mind Flayer, the Shadow (Commander) - Upgraded

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,332
49decks
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Background image for How To Play Horrors Differently In Commander
Sikora
Oct 30, 2025
Sikora
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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Obsessive Pursuit
11%inclusion1 decks9 decks
9%synergy
High Synergy Cards
Brainstealer Dragon
80%inclusion39 decks49 decks
77%synergy
Elder Brain
71%inclusion35 decks49 decks
69%synergy
Gonti, Lord of Luxury
71%inclusion35 decks49 decks
68%synergy
Cunning Rhetoric
61%inclusion30 decks49 decks
59%synergy
Thieving Amalgam
57%inclusion28 decks49 decks
56%synergy
Breach the Multiverse
59%inclusion29 decks49 decks
53%synergy
Intellect Devourer
51%inclusion25 decks49 decks
50%synergy
Dauthi Voidwalker
65%inclusion32 decks49 decks
50%synergy
Nirkana Revenant
59%inclusion29 decks49 decks
47%synergy
Gisa, Glorious Resurrector
49%inclusion24 decks49 decks
44%synergy
Top Cards
Dark Ritual
88%inclusion43 decks49 decks
22%synergy
Crypt Ghast
82%inclusion40 decks49 decks
33%synergy
Jet Medallion
80%inclusion39 decks49 decks
20%synergy
Gray Merchant of Asphodel
71%inclusion35 decks49 decks
20%synergy
Reanimate
65%inclusion32 decks49 decks
27%synergy
Feed the Swarm
59%inclusion29 decks49 decks
8%synergy
Phyrexian Arena
57%inclusion28 decks49 decks
17%synergy
Night's Whisper
55%inclusion27 decks49 decks
31%synergy
Defile
53%inclusion26 decks49 decks
15%synergy
Sign in Blood
53%inclusion26 decks49 decks
17%synergy
Game Changers
Bolas's Citadel
39%inclusion19 decks49 decks
9%synergy
Opposition Agent
37%inclusion18 decks49 decks
27%synergy
Necropotence
27%inclusion13 decks49 decks
11%synergy
Tergrid, God of Fright
24%inclusion12 decks49 decks
16%synergy
Demonic Tutor
24%inclusion12 decks49 decks
-3%synergy
Vampiric Tutor
10%inclusion5 decks49 decks
-12%synergy
Ancient Tomb
8.2%inclusion4 decks49 decks
-4%synergy
The One Ring
6.1%inclusion3 decks49 decks
-4%synergy
Creatures
Solemn Simulacrum
49%inclusion24 decks49 decks
25%synergy
Dread Presence
45%inclusion22 decks49 decks
30%synergy
Nashi, Moon Sage's Scion
45%inclusion22 decks49 decks
41%synergy
Geth, Lord of the Vault
45%inclusion22 decks49 decks
43%synergy
K'rrik, Son of Yawgmoth
43%inclusion21 decks49 decks
24%synergy
Junktroller
41%inclusion20 decks49 decks
41%synergy
Sepulchral Primordial
39%inclusion19 decks49 decks
36%synergy
Gix, Yawgmoth Praetor
39%inclusion19 decks49 decks
34%synergy
Gonti, Night Minister
38%inclusion17 decks45 decks
35%synergy
Black Cat, Cunning Thief
37%inclusion7 decks19 decks
35%synergy
Burnished Hart
37%inclusion18 decks49 decks
29%synergy
Valgavoth, Terror Eater
37%inclusion18 decks49 decks
31%synergy
Thieving Varmint
33%inclusion16 decks49 decks
30%synergy
Tinybones, the Pickpocket
31%inclusion15 decks49 decks
25%synergy
Reito Sentinel
31%inclusion15 decks49 decks
30%synergy
Magus of the Coffers
29%inclusion14 decks49 decks
21%synergy
Crabomination
27%inclusion13 decks49 decks
25%synergy
Tinybones, Bauble Burglar
25%inclusion12 decks48 decks
21%synergy
Bismuth Mindrender
24%inclusion12 decks49 decks
24%synergy
Sheoldred, Whispering One
22%inclusion11 decks49 decks
10%synergy
Hoarding Broodlord
20%inclusion10 decks49 decks
16%synergy
Rakshasa Debaser
20%inclusion10 decks49 decks
19%synergy
Morbid Opportunist
18%inclusion9 decks49 decks
-4%synergy
Draugr Necromancer
18%inclusion9 decks49 decks
18%synergy
Oblivion Sower
18%inclusion9 decks49 decks
18%synergy
Phyrexian Obliterator
16%inclusion8 decks49 decks
5%synergy
Rev, Tithe Extractor
15%inclusion7 decks48 decks
13%synergy
Plaguecrafter
14%inclusion7 decks49 decks
-6%synergy
Sheoldred, the Apocalypse
14%inclusion7 decks49 decks
-1%synergy
Lord of the Void
14%inclusion7 decks49 decks
13%synergy
Ancient Brass Dragon
14%inclusion7 decks49 decks
13%synergy
Ancient Cellarspawn
14%inclusion7 decks49 decks
12%synergy
Keen Duelist
14%inclusion7 decks49 decks
13%synergy
Defiler of Flesh
12%inclusion6 decks49 decks
8%synergy
Nightmare Shepherd
12%inclusion6 decks49 decks
11%synergy
Chainer, Dementia Master
12%inclusion6 decks49 decks
7%synergy
Wandering Archaic
12%inclusion6 decks49 decks
12%synergy
Sheoldred
12%inclusion6 decks49 decks
6%synergy
Abyssal Harvester
10%inclusion5 decks48 decks
6%synergy
Massacre Girl
10%inclusion5 decks49 decks
2%synergy
Massacre Wurm
10%inclusion5 decks49 decks
-7%synergy
Accursed Marauder
10%inclusion5 decks49 decks
-11%synergy
Braids, Arisen Nightmare
10%inclusion5 decks49 decks
-9%synergy
Dream Devourer
8.2%inclusion4 decks49 decks
7%synergy
Hoverstone Pilgrim
8.2%inclusion4 decks49 decks
8%synergy
Lorcan, Warlock Collector
8.2%inclusion4 decks49 decks
8%synergy
Grim Hireling
8.2%inclusion4 decks49 decks
3%synergy
Author of Shadows
8.2%inclusion4 decks49 decks
8%synergy
Kheru Mind-Eater
8.2%inclusion4 decks49 decks
8%synergy
Chrome Companion
7.7%inclusion2 decks26 decks
8%synergy
Instants
Stinging Study
43%inclusion21 decks49 decks
40%synergy
Withering Torment
43%inclusion21 decks49 decks
11%synergy
Outrageous Robbery
39%inclusion19 decks49 decks
37%synergy
Infernal Grasp
33%inclusion16 decks49 decks
7%synergy
Darkness
31%inclusion15 decks49 decks
21%synergy
Sudden Spoiling
31%inclusion15 decks49 decks
21%synergy
Soul Shatter
27%inclusion13 decks49 decks
14%synergy
Imp's Mischief
27%inclusion13 decks49 decks
3%synergy
Consuming Corruption
27%inclusion13 decks49 decks
10%synergy
Baleful Mastery
27%inclusion13 decks49 decks
17%synergy
Go for the Throat
24%inclusion12 decks49 decks
1%synergy
Deadly Rollick
18%inclusion9 decks49 decks
-5%synergy
Fell the Profane
18%inclusion9 decks49 decks
0%synergy
Snuff Out
18%inclusion9 decks49 decks
6%synergy
Deadly Dispute
16%inclusion8 decks49 decks
-7%synergy
Grim Return
16%inclusion8 decks49 decks
15%synergy
The Spot's Portal
16%inclusion3 decks19 decks
15%synergy
Force of Despair
14%inclusion7 decks49 decks
6%synergy
Doom Blade
14%inclusion7 decks49 decks
6%synergy
Withering Boon
14%inclusion7 decks49 decks
10%synergy
Malakir Rebirth
12%inclusion6 decks49 decks
-10%synergy
Tragic Slip
12%inclusion6 decks49 decks
-8%synergy
Hagra Mauling
10%inclusion5 decks49 decks
6%synergy
Village Rites
10%inclusion5 decks49 decks
-14%synergy
Cabal Ritual
10%inclusion5 decks49 decks
-7%synergy
Thrilling Encore
8.2%inclusion4 decks49 decks
6%synergy
Murder
8.2%inclusion4 decks49 decks
-2%synergy
Archenemy's Charm
7.7%inclusion2 decks26 decks
-1%synergy
Sheoldred's Edict
6.1%inclusion3 decks49 decks
-8%synergy
Culling the Weak
6.1%inclusion3 decks49 decks
-9%synergy
Slaughter Pact
6.1%inclusion3 decks49 decks
3%synergy
Bitter Triumph
6.1%inclusion3 decks49 decks
-4%synergy
Sorceries
Damnation
39%inclusion19 decks49 decks
18%synergy
Bubbling Muck
37%inclusion18 decks49 decks
21%synergy
Exsanguinate
35%inclusion17 decks49 decks
10%synergy
Toxic Deluge
35%inclusion17 decks49 decks
-3%synergy
Heartless Conscription
35%inclusion17 decks49 decks
33%synergy
Praetor's Grasp
33%inclusion16 decks49 decks
29%synergy
Cruelclaw's Heist
33%inclusion16 decks49 decks
30%synergy
Dredge the Mire
31%inclusion15 decks49 decks
30%synergy
Rise of the Dark Realms
31%inclusion15 decks49 decks
18%synergy
Mutilate
22%inclusion11 decks49 decks
3%synergy
Read the Bones
22%inclusion11 decks49 decks
4%synergy
Torment of Hailfire
20%inclusion10 decks49 decks
4%synergy
Syphon Mind
20%inclusion10 decks49 decks
7%synergy
Diabolic Tutor
18%inclusion9 decks49 decks
3%synergy
Visions of Dread
18%inclusion9 decks49 decks
18%synergy
Victimize
18%inclusion9 decks49 decks
-7%synergy
Blasphemous Edict
17%inclusion8 decks48 decks
-1%synergy
Profane Transfusion
14%inclusion7 decks49 decks
13%synergy
Shadow of the Enemy
14%inclusion7 decks49 decks
14%synergy
Decree of Pain
14%inclusion7 decks49 decks
8%synergy
Xander's Pact
12%inclusion6 decks49 decks
12%synergy
Petty Larceny
12%inclusion6 decks49 decks
12%synergy
Insatiable Avarice
12%inclusion6 decks49 decks
0%synergy
Beacon of Unrest
12%inclusion6 decks49 decks
8%synergy
Necromantic Selection
12%inclusion6 decks49 decks
10%synergy
Blood on the Snow
10%inclusion5 decks49 decks
9%synergy
Profane Tutor
10%inclusion5 decks49 decks
6%synergy
Come Back Wrong
10%inclusion5 decks49 decks
8%synergy
Dead of Winter
10%inclusion5 decks49 decks
9%synergy
Ambition's Cost
10%inclusion5 decks49 decks
7%synergy
Yawgmoth's Vile Offering
8.2%inclusion4 decks49 decks
7%synergy
Blood Money
8.2%inclusion4 decks49 decks
5%synergy
Deadly Tempest
8.2%inclusion4 decks49 decks
6%synergy
Extinguish All Hope
8.2%inclusion4 decks49 decks
8%synergy
Sanguimancy
8.2%inclusion4 decks49 decks
8%synergy
Incarnation Technique
6.1%inclusion3 decks49 decks
5%synergy
Repay in Kind
6.1%inclusion3 decks49 decks
4%synergy
Damnable Pact
6.1%inclusion3 decks49 decks
2%synergy
Agadeem's Awakening
6.1%inclusion3 decks49 decks
-1%synergy
Dark Petition
6.1%inclusion3 decks49 decks
2%synergy
Ancient Craving
6.1%inclusion3 decks49 decks
4%synergy
In Garruk's Wake
6.1%inclusion3 decks49 decks
2%synergy
Grim Tutor
6.1%inclusion3 decks49 decks
-6%synergy
Utility Artifacts
The Darkness Crystal
39%inclusion13 decks33 decks
20%synergy
Staff of Eden, Vault's Key
35%inclusion17 decks49 decks
34%synergy
Lightning Greaves
33%inclusion16 decks49 decks
-1%synergy
Bontu's Monument
27%inclusion13 decks49 decks
-1%synergy
Swiftfoot Boots
27%inclusion13 decks49 decks
-5%synergy
Reito Lantern
27%inclusion13 decks49 decks
26%synergy
Wayfarer's Bauble
24%inclusion12 decks49 decks
8%synergy
Expedition Map
20%inclusion10 decks49 decks
8%synergy
Realmbreaker, the Invasion Tree
18%inclusion9 decks49 decks
17%synergy
Whip of Erebos
16%inclusion8 decks49 decks
6%synergy
Strionic Resonator
16%inclusion8 decks49 decks
15%synergy
Portal to Phyrexia
14%inclusion7 decks49 decks
13%synergy
Chaos Wand
12%inclusion6 decks49 decks
12%synergy
Vedalken Orrery
12%inclusion6 decks49 decks
12%synergy
Nautiloid Ship
8.2%inclusion4 decks49 decks
8%synergy
Mask of Griselbrand
8.2%inclusion4 decks49 decks
5%synergy
World Map
6.3%inclusion2 decks32 decks
4%synergy
Dream-Thief's Bandana
6.1%inclusion3 decks49 decks
5%synergy
Aetherflux Reservoir
6.1%inclusion3 decks49 decks
-4%synergy
Mindcrank
6.1%inclusion3 decks49 decks
0%synergy
Enchantments
Animate Dead
49%inclusion24 decks49 decks
31%synergy
Court of Locthwain
45%inclusion22 decks49 decks
43%synergy
Dead Man's Chest
41%inclusion20 decks49 decks
40%synergy
Black Market
35%inclusion17 decks49 decks
14%synergy
Grave Betrayal
31%inclusion15 decks49 decks
28%synergy
No Mercy
22%inclusion11 decks49 decks
15%synergy
Meathook Massacre II
20%inclusion10 decks49 decks
13%synergy
Black Market Connections
20%inclusion10 decks49 decks
-3%synergy
Virtue of Persistence
18%inclusion9 decks49 decks
13%synergy
Oubliette
16%inclusion8 decks49 decks
13%synergy
Necromancy
16%inclusion8 decks49 decks
10%synergy
Protection Racket
14%inclusion7 decks49 decks
14%synergy
The Eldest Reborn
12%inclusion6 decks49 decks
8%synergy
Dance of the Dead
10%inclusion5 decks49 decks
7%synergy
The Cruelty of Gix
10%inclusion5 decks49 decks
8%synergy
Parker Luck
10%inclusion2 decks20 decks
9%synergy
The Meathook Massacre
8.2%inclusion4 decks49 decks
-9%synergy
Exquisite Blood
8.2%inclusion4 decks49 decks
-5%synergy
Painful Quandary
8.2%inclusion4 decks49 decks
-2%synergy
Kaya's Ghostform
8.2%inclusion4 decks49 decks
-2%synergy
Heartless Summoning
8.2%inclusion4 decks49 decks
4%synergy
Greed
6.1%inclusion3 decks49 decks
-1%synergy
Vow of Torment
6.1%inclusion3 decks49 decks
6%synergy
Minion's Return
6.1%inclusion3 decks49 decks
5%synergy
Tinybones Joins Up
6.1%inclusion3 decks49 decks
1%synergy
Hedonist's Trove
6.1%inclusion3 decks49 decks
6%synergy
Court of Ambition
6.1%inclusion3 decks49 decks
2%synergy
Parasitic Impetus
6.1%inclusion3 decks49 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
39%inclusion19 decks49 decks
25%synergy
Tevesh Szat, Doom of Fools
8.2%inclusion4 decks49 decks
5%synergy
Liliana Vess
8.2%inclusion4 decks49 decks
5%synergy
Liliana of the Veil
6.1%inclusion3 decks49 decks
-1%synergy
Sorin Markov
6.1%inclusion3 decks49 decks
3%synergy
Utility Lands
Cabal Coffers
90%inclusion44 decks49 decks
35%synergy
Cabal Stronghold
71%inclusion35 decks49 decks
36%synergy
Urborg, Tomb of Yawgmoth
61%inclusion30 decks49 decks
24%synergy
Nykthos, Shrine to Nyx
47%inclusion23 decks49 decks
17%synergy
Bojuka Bog
43%inclusion21 decks49 decks
-4%synergy
Castle Locthwain
39%inclusion19 decks49 decks
21%synergy
Reliquary Tower
37%inclusion18 decks49 decks
5%synergy
War Room
29%inclusion14 decks49 decks
12%synergy
Temple of the False God
27%inclusion13 decks49 decks
19%synergy
Thespian's Stage
27%inclusion13 decks49 decks
21%synergy
Takenuma, Abandoned Mire
24%inclusion12 decks49 decks
8%synergy
Witch's Cottage
22%inclusion11 decks49 decks
-2%synergy
Rogue's Passage
18%inclusion9 decks49 decks
0%synergy
Maze of Ith
16%inclusion8 decks49 decks
13%synergy
Command Beacon
16%inclusion8 decks49 decks
8%synergy
Phyrexian Tower
14%inclusion7 decks49 decks
-9%synergy
Shizo, Death's Storehouse
12%inclusion6 decks49 decks
2%synergy
Barren Moor
12%inclusion6 decks49 decks
2%synergy
Deserted Temple
12%inclusion6 decks49 decks
8%synergy
Crypt of Agadeem
12%inclusion6 decks49 decks
2%synergy
Havengul Laboratory
12%inclusion6 decks49 decks
12%synergy
Mortuary Mire
10%inclusion5 decks49 decks
-3%synergy
Memorial to Folly
8.2%inclusion4 decks49 decks
5%synergy
Vesuva
8.2%inclusion4 decks49 decks
5%synergy
Susur Secundi, Void Altar
7.7%inclusion2 decks26 decks
0%synergy
Spymaster's Vault
6.1%inclusion3 decks49 decks
-4%synergy
Emergence Zone
6.1%inclusion3 decks49 decks
3%synergy
Geier Reach Sanitarium
6.1%inclusion3 decks49 decks
-6%synergy
Barad-dûr
6.1%inclusion3 decks49 decks
2%synergy
Dark Depths
6.1%inclusion3 decks49 decks
5%synergy
Mana Artifacts
Sol Ring
96%inclusion47 decks49 decks
10%synergy
Arcane Signet
63%inclusion31 decks49 decks
1%synergy
Mind Stone
41%inclusion20 decks49 decks
10%synergy
Nyx Lotus
41%inclusion20 decks49 decks
34%synergy
Thought Vessel
37%inclusion18 decks49 decks
9%synergy
Thran Dynamo
33%inclusion16 decks49 decks
27%synergy
Charcoal Diamond
29%inclusion14 decks49 decks
5%synergy
Fellwar Stone
27%inclusion13 decks49 decks
12%synergy
Commander's Sphere
20%inclusion10 decks49 decks
11%synergy
Gilded Lotus
20%inclusion10 decks49 decks
15%synergy
Caged Sun
18%inclusion9 decks49 decks
6%synergy
Sceptre of Eternal Glory
18%inclusion9 decks49 decks
9%synergy
Vessel of Endless Rest
18%inclusion9 decks49 decks
18%synergy
Everflowing Chalice
14%inclusion7 decks49 decks
8%synergy
Throne of Eldraine
14%inclusion7 decks49 decks
3%synergy
Worn Powerstone
12%inclusion6 decks49 decks
8%synergy
Hedron Archive
10%inclusion5 decks49 decks
6%synergy
Extraplanar Lens
10%inclusion5 decks49 decks
5%synergy
Gauntlet of Power
8.2%inclusion4 decks49 decks
5%synergy
Coldsteel Heart
6.1%inclusion3 decks49 decks
4%synergy
Lands
Swamp
82%inclusion40 decks49 decks
-13%synergy
Myriad Landscape
55%inclusion27 decks49 decks
28%synergy
Urza's Cave
20%inclusion10 decks49 decks
12%synergy
Fell the Profane
18%inclusion9 decks49 decks
0%synergy
Snow-Covered Swamp
18%inclusion9 decks49 decks
11%synergy
Malakir Rebirth
12%inclusion6 decks49 decks
-10%synergy
Hagra Mauling
10%inclusion5 decks49 decks
6%synergy
Exotic Orchard
8.2%inclusion4 decks49 decks
7%synergy
Demolition Field
8.2%inclusion4 decks49 decks
3%synergy
Command Tower
6.1%inclusion3 decks49 decks
1%synergy
Agadeem's Awakening
6.1%inclusion3 decks49 decks
-1%synergy
Evolving Wilds
6.1%inclusion3 decks49 decks
3%synergy
Boggart Trawler
6.1%inclusion3 decks49 decks
-3%synergy
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