Mind Flayer, the Shadow (Commander) - Devotion

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,451
8decks
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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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Cunning Rhetoric
75%inclusion6 decks8 decks
73%synergy
Elder Brain
63%inclusion5 decks8 decks
60%synergy
Brainstealer Dragon
63%inclusion5 decks8 decks
60%synergy
Gonti, Lord of Luxury
63%inclusion5 decks8 decks
59%synergy
Magus of the Coffers
63%inclusion5 decks8 decks
56%synergy
Nirkana Revenant
63%inclusion5 decks8 decks
52%synergy
Dead Man's Chest
50%inclusion4 decks8 decks
49%synergy
Intellect Devourer
50%inclusion4 decks8 decks
49%synergy
Predators' Hour
50%inclusion4 decks8 decks
49%synergy
Outrageous Robbery
50%inclusion4 decks8 decks
48%synergy
Top Cards
Gray Merchant of Asphodel
75%inclusion6 decks8 decks
25%synergy
Jet Medallion
75%inclusion6 decks8 decks
13%synergy
Bubbling Muck
63%inclusion5 decks8 decks
47%synergy
Dark Ritual
63%inclusion5 decks8 decks
-5%synergy
Crypt Ghast
63%inclusion5 decks8 decks
15%synergy
Dauthi Voidwalker
63%inclusion5 decks8 decks
47%synergy
Sepulchral Primordial
50%inclusion4 decks8 decks
48%synergy
Feed the Swarm
50%inclusion4 decks8 decks
-0%synergy
Soul Shatter
50%inclusion4 decks8 decks
38%synergy
Cruelclaw's Heist
50%inclusion4 decks8 decks
48%synergy
Game Changers
Ancient Tomb
38%inclusion3 decks8 decks
26%synergy
Bolas's Citadel
38%inclusion3 decks8 decks
9%synergy
Demonic Tutor
38%inclusion3 decks8 decks
10%synergy
Opposition Agent
25%inclusion2 decks8 decks
16%synergy
Necropotence
25%inclusion2 decks8 decks
11%synergy
Mana Vault
13%inclusion1 decks8 decks
6%synergy
Tergrid, God of Fright
13%inclusion1 decks8 decks
5%synergy
Chrome Mox
13%inclusion1 decks8 decks
6%synergy
Vampiric Tutor
13%inclusion1 decks8 decks
-8%synergy
Creatures
Solemn Simulacrum
38%inclusion3 decks8 decks
16%synergy
Bismuth Mindrender
38%inclusion3 decks8 decks
37%synergy
Phyrexian Obliterator
38%inclusion3 decks8 decks
26%synergy
Lord of the Void
38%inclusion3 decks8 decks
36%synergy
Wandering Archaic
38%inclusion3 decks8 decks
37%synergy
Author of Shadows
38%inclusion3 decks8 decks
37%synergy
Gix, Yawgmoth Praetor
38%inclusion3 decks8 decks
32%synergy
K'rrik, Son of Yawgmoth
38%inclusion3 decks8 decks
18%synergy
Nashi, Moon Sage's Scion
38%inclusion3 decks8 decks
34%synergy
Geth, Lord of the Vault
38%inclusion3 decks8 decks
36%synergy
Gisa, Glorious Resurrector
38%inclusion3 decks8 decks
33%synergy
Leaden Myr
38%inclusion3 decks8 decks
31%synergy
The Speed Demon
33%inclusion2 decks6 decks
32%synergy
Gonti, Night Minister
33%inclusion2 decks6 decks
31%synergy
Grave Researcher
33%inclusion1 decks3 decks
25%synergy
Emeritus of Woe
33%inclusion1 decks3 decks
26%synergy
Erebos, God of the Dead
25%inclusion2 decks8 decks
21%synergy
Plaguecrafter
25%inclusion2 decks8 decks
5%synergy
Morbid Opportunist
25%inclusion2 decks8 decks
1%synergy
Sheoldred, the Apocalypse
25%inclusion2 decks8 decks
10%synergy
Junktroller
25%inclusion2 decks8 decks
25%synergy
Tinybones, the Pickpocket
25%inclusion2 decks8 decks
20%synergy
Burnished Hart
25%inclusion2 decks8 decks
18%synergy
Sheoldred, Whispering One
25%inclusion2 decks8 decks
14%synergy
Massacre Wurm
25%inclusion2 decks8 decks
8%synergy
Twilight Prophet
25%inclusion2 decks8 decks
19%synergy
Doomsday Excruciator
25%inclusion2 decks8 decks
22%synergy
Keen Duelist
25%inclusion2 decks8 decks
23%synergy
Thieving Varmint
25%inclusion2 decks8 decks
22%synergy
Valgavoth, Terror Eater
25%inclusion2 decks8 decks
20%synergy
Oblivion Sower
25%inclusion2 decks8 decks
25%synergy
Kheru Mind-Eater
25%inclusion2 decks8 decks
25%synergy
Herald of Leshrac
25%inclusion2 decks8 decks
25%synergy
Black Cat, Cunning Thief
20%inclusion1 decks5 decks
19%synergy
Ardyn, the Usurper
17%inclusion1 decks6 decks
14%synergy
Summon: Bahamut
17%inclusion1 decks6 decks
16%synergy
Abyssal Harvester
14%inclusion1 decks7 decks
11%synergy
Tinybones, Bauble Burglar
14%inclusion1 decks7 decks
11%synergy
Puppeteer Clique
13%inclusion1 decks8 decks
11%synergy
Dream Devourer
13%inclusion1 decks8 decks
12%synergy
Abhorrent Overlord
13%inclusion1 decks8 decks
8%synergy
Dread Presence
13%inclusion1 decks8 decks
-1%synergy
Hoarding Broodlord
13%inclusion1 decks8 decks
8%synergy
Netherborn Phalanx
13%inclusion1 decks8 decks
12%synergy
Grim Servant
13%inclusion1 decks8 decks
8%synergy
Silent Arbiter
13%inclusion1 decks8 decks
11%synergy
Dark Confidant
13%inclusion1 decks8 decks
5%synergy
Starving Revenant
13%inclusion1 decks8 decks
11%synergy
Nightmare
13%inclusion1 decks8 decks
11%synergy
Nighthawk Scavenger
13%inclusion1 decks8 decks
7%synergy
Instants
Go for the Throat
38%inclusion3 decks8 decks
15%synergy
Consuming Corruption
38%inclusion3 decks8 decks
22%synergy
Sudden Spoiling
38%inclusion3 decks8 decks
29%synergy
Withering Torment
38%inclusion3 decks8 decks
6%synergy
Deadly Rollick
25%inclusion2 decks8 decks
-0%synergy
Sheoldred's Edict
25%inclusion2 decks8 decks
10%synergy
Imp's Mischief
25%inclusion2 decks8 decks
-0%synergy
Deadly Dispute
25%inclusion2 decks8 decks
-2%synergy
Infernal Grasp
25%inclusion2 decks8 decks
-0%synergy
Szat's Will
25%inclusion2 decks8 decks
23%synergy
Pain 101
25%inclusion1 decks4 decks
24%synergy
Archenemy's Charm
20%inclusion1 decks5 decks
11%synergy
Hagra Mauling
13%inclusion1 decks8 decks
8%synergy
Fell the Profane
13%inclusion1 decks8 decks
-7%synergy
Bile Blight
13%inclusion1 decks8 decks
12%synergy
Force of Despair
13%inclusion1 decks8 decks
5%synergy
Stinging Study
13%inclusion1 decks8 decks
10%synergy
Entomb
13%inclusion1 decks8 decks
-0%synergy
Thrilling Encore
13%inclusion1 decks8 decks
11%synergy
Snuff Out
13%inclusion1 decks8 decks
-1%synergy
Pharika's Libation
13%inclusion1 decks8 decks
11%synergy
Not Dead After All
13%inclusion1 decks8 decks
1%synergy
Defile
13%inclusion1 decks8 decks
-23%synergy
Flare of Malice
13%inclusion1 decks8 decks
-1%synergy
Doom Blade
13%inclusion1 decks8 decks
5%synergy
Withering Boon
13%inclusion1 decks8 decks
8%synergy
Tendrils of Corruption
13%inclusion1 decks8 decks
9%synergy
Darkness
13%inclusion1 decks8 decks
2%synergy
Malakir Rebirth
13%inclusion1 decks8 decks
-11%synergy
Baleful Mastery
13%inclusion1 decks8 decks
5%synergy
Grim Return
13%inclusion1 decks8 decks
11%synergy
Debt to the Kami
13%inclusion1 decks8 decks
12%synergy
Succumb to Temptation
13%inclusion1 decks8 decks
11%synergy
Cast Down
13%inclusion1 decks8 decks
11%synergy
Curtains' Call
13%inclusion1 decks8 decks
11%synergy
Dismember
13%inclusion1 decks8 decks
2%synergy
Sorceries
Night's Whisper
50%inclusion4 decks8 decks
25%synergy
Mutilate
38%inclusion3 decks8 decks
22%synergy
Praetor's Grasp
38%inclusion3 decks8 decks
34%synergy
Exsanguinate
38%inclusion3 decks8 decks
13%synergy
Reanimate
38%inclusion3 decks8 decks
-3%synergy
Damnation
38%inclusion3 decks8 decks
17%synergy
Decorum Dissertation
33%inclusion1 decks3 decks
27%synergy
Blasphemous Edict
29%inclusion2 decks7 decks
13%synergy
Visions of Dread
25%inclusion2 decks8 decks
25%synergy
Victimize
25%inclusion2 decks8 decks
-2%synergy
Torment of Hailfire
25%inclusion2 decks8 decks
10%synergy
Shadow of the Enemy
25%inclusion2 decks8 decks
24%synergy
Toxic Deluge
25%inclusion2 decks8 decks
-12%synergy
Sign in Blood
25%inclusion2 decks8 decks
-10%synergy
Worst Fears
25%inclusion2 decks8 decks
25%synergy
Worthy Cost
17%inclusion1 decks6 decks
15%synergy
Psychotic Episode
13%inclusion1 decks8 decks
12%synergy
Bone Splinters
13%inclusion1 decks8 decks
11%synergy
Dredge the Mire
13%inclusion1 decks8 decks
12%synergy
Diabolic Tutor
13%inclusion1 decks8 decks
-1%synergy
Cloudkill
13%inclusion1 decks8 decks
12%synergy
Soul Transfer
13%inclusion1 decks8 decks
12%synergy
Repay in Kind
13%inclusion1 decks8 decks
11%synergy
Profane Tutor
13%inclusion1 decks8 decks
8%synergy
Profane Transfusion
13%inclusion1 decks8 decks
11%synergy
Ghastly Conscription
13%inclusion1 decks8 decks
12%synergy
Agadeem's Awakening
13%inclusion1 decks8 decks
5%synergy
Scheming Symmetry
13%inclusion1 decks8 decks
8%synergy
Bone Shards
13%inclusion1 decks8 decks
9%synergy
Blood Money
13%inclusion1 decks8 decks
9%synergy
Dark Petition
13%inclusion1 decks8 decks
9%synergy
Extract a Confession
13%inclusion1 decks8 decks
12%synergy
Boneyard Parley
13%inclusion1 decks8 decks
12%synergy
Diresight
13%inclusion1 decks8 decks
9%synergy
Insatiable Avarice
13%inclusion1 decks8 decks
2%synergy
Necromantic Selection
13%inclusion1 decks8 decks
11%synergy
Deadly Tempest
13%inclusion1 decks8 decks
11%synergy
Zombify
13%inclusion1 decks8 decks
10%synergy
Ritual of the Machine
13%inclusion1 decks8 decks
12%synergy
Dark Deal
13%inclusion1 decks8 decks
2%synergy
Ill-Gotten Gains
13%inclusion1 decks8 decks
12%synergy
Heartless Conscription
13%inclusion1 decks8 decks
11%synergy
Beseech the Queen
13%inclusion1 decks8 decks
7%synergy
Eaten Alive
13%inclusion1 decks8 decks
9%synergy
Rise of the Dark Realms
13%inclusion1 decks8 decks
-1%synergy
Grim Tutor
13%inclusion1 decks8 decks
1%synergy
Sanguimancy
13%inclusion1 decks8 decks
12%synergy
Shrouded Lore
13%inclusion1 decks8 decks
12%synergy
Invoke Despair
13%inclusion1 decks8 decks
10%synergy
Utility Artifacts
Bontu's Monument
38%inclusion3 decks8 decks
9%synergy
Mindcrank
38%inclusion3 decks8 decks
32%synergy
Crawlspace
25%inclusion2 decks8 decks
24%synergy
Whip of Erebos
25%inclusion2 decks8 decks
14%synergy
Mimic Vat
25%inclusion2 decks8 decks
24%synergy
Staff of Eden, Vault's Key
25%inclusion2 decks8 decks
24%synergy
Helm of Awakening
25%inclusion2 decks8 decks
24%synergy
The Regalia
17%inclusion1 decks6 decks
16%synergy
Chaos Wand
13%inclusion1 decks8 decks
12%synergy
Lithoform Engine
13%inclusion1 decks8 decks
12%synergy
Sensei's Divining Top
13%inclusion1 decks8 decks
5%synergy
Portal to Phyrexia
13%inclusion1 decks8 decks
11%synergy
Wayfarer's Bauble
13%inclusion1 decks8 decks
-2%synergy
Armillary Sphere
13%inclusion1 decks8 decks
12%synergy
Dream-Thief's Bandana
13%inclusion1 decks8 decks
12%synergy
Traveler's Amulet
13%inclusion1 decks8 decks
12%synergy
Aetherflux Reservoir
13%inclusion1 decks8 decks
3%synergy
Vedalken Orrery
13%inclusion1 decks8 decks
12%synergy
Nautiloid Ship
13%inclusion1 decks8 decks
12%synergy
Cursed Totem
13%inclusion1 decks8 decks
12%synergy
Mirage Mirror
13%inclusion1 decks8 decks
12%synergy
Realmbreaker, the Invasion Tree
13%inclusion1 decks8 decks
12%synergy
Helm of the Host
13%inclusion1 decks8 decks
11%synergy
Expedition Map
13%inclusion1 decks8 decks
1%synergy
Akroma's Memorial
13%inclusion1 decks8 decks
12%synergy
Whispersilk Cloak
13%inclusion1 decks8 decks
7%synergy
The Golden Throne
13%inclusion1 decks8 decks
11%synergy
The Cauldron of Eternity
13%inclusion1 decks8 decks
12%synergy
Manascape Refractor
13%inclusion1 decks8 decks
12%synergy
Sword of Wealth and Power
13%inclusion1 decks8 decks
12%synergy
Braidwood Sextant
13%inclusion1 decks8 decks
12%synergy
Lightning Greaves
13%inclusion1 decks8 decks
-21%synergy
Commander's Plate
13%inclusion1 decks8 decks
6%synergy
Aether Vial
13%inclusion1 decks8 decks
12%synergy
Enchantments
Changing Loyalty
67%inclusion2 decks3 decks
66%synergy
Black Market Connections
50%inclusion4 decks8 decks
25%synergy
Black Market
38%inclusion3 decks8 decks
17%synergy
Court of Locthwain
38%inclusion3 decks8 decks
36%synergy
No Mercy
38%inclusion3 decks8 decks
30%synergy
Phyrexian Arena
38%inclusion3 decks8 decks
-2%synergy
Necromancy
25%inclusion2 decks8 decks
19%synergy
Minion's Return
25%inclusion2 decks8 decks
24%synergy
Grave Betrayal
25%inclusion2 decks8 decks
23%synergy
Hedonist's Trove
25%inclusion2 decks8 decks
25%synergy
Animate Dead
25%inclusion2 decks8 decks
8%synergy
Bloodchief Ascension
25%inclusion2 decks8 decks
16%synergy
Virtue of Persistence
25%inclusion2 decks8 decks
20%synergy
Grave Venerations
20%inclusion1 decks5 decks
17%synergy
Sothera, the Supervoid
17%inclusion1 decks6 decks
14%synergy
The Meathook Massacre
13%inclusion1 decks8 decks
-5%synergy
Dance of the Dead
13%inclusion1 decks8 decks
9%synergy
Vow of Torment
13%inclusion1 decks8 decks
12%synergy
The Cruelty of Gix
13%inclusion1 decks8 decks
11%synergy
Season of the Witch
13%inclusion1 decks8 decks
12%synergy
Underworld Connections
13%inclusion1 decks8 decks
11%synergy
Wound Reflection
13%inclusion1 decks8 decks
9%synergy
Kaya's Ghostform
13%inclusion1 decks8 decks
3%synergy
Painful Quandary
13%inclusion1 decks8 decks
2%synergy
Oubliette
13%inclusion1 decks8 decks
10%synergy
Rime Transfusion
13%inclusion1 decks8 decks
12%synergy
Unhallowed Pact
13%inclusion1 decks8 decks
12%synergy
Heartless Summoning
13%inclusion1 decks8 decks
8%synergy
Parasitic Impetus
13%inclusion1 decks8 decks
12%synergy
Planeswalkers
Liliana of the Dark Realms
38%inclusion3 decks8 decks
24%synergy
Tevesh Szat, Doom of Fools
25%inclusion2 decks8 decks
22%synergy
Lolth, Spider Queen
13%inclusion1 decks8 decks
11%synergy
Utility Lands
Bojuka Bog
75%inclusion6 decks8 decks
28%synergy
Cabal Stronghold
75%inclusion6 decks8 decks
41%synergy
Cabal Coffers
75%inclusion6 decks8 decks
20%synergy
Urborg, Tomb of Yawgmoth
63%inclusion5 decks8 decks
25%synergy
Nykthos, Shrine to Nyx
50%inclusion4 decks8 decks
20%synergy
Phyrexian Tower
25%inclusion2 decks8 decks
-1%synergy
Maze of Ith
25%inclusion2 decks8 decks
22%synergy
War Room
25%inclusion2 decks8 decks
9%synergy
Command Beacon
25%inclusion2 decks8 decks
17%synergy
Takenuma, Abandoned Mire
25%inclusion2 decks8 decks
9%synergy
Mortuary Mire
13%inclusion1 decks8 decks
-0%synergy
Barren Moor
13%inclusion1 decks8 decks
3%synergy
Vesuva
13%inclusion1 decks8 decks
10%synergy
Urza's Saga
13%inclusion1 decks8 decks
4%synergy
Crypt of Agadeem
13%inclusion1 decks8 decks
1%synergy
Witch's Cottage
13%inclusion1 decks8 decks
-12%synergy
Emergence Zone
13%inclusion1 decks8 decks
9%synergy
Tomb Fortress
13%inclusion1 decks8 decks
9%synergy
Thespian's Stage
13%inclusion1 decks8 decks
8%synergy
Urborg
13%inclusion1 decks8 decks
11%synergy
Castle Locthwain
13%inclusion1 decks8 decks
-4%synergy
Temple of the False God
13%inclusion1 decks8 decks
5%synergy
Hive of the Eye Tyrant
13%inclusion1 decks8 decks
11%synergy
Leechridden Swamp
13%inclusion1 decks8 decks
10%synergy
Rogue's Passage
13%inclusion1 decks8 decks
-7%synergy
Mana Artifacts
Sol Ring
100%inclusion8 decks8 decks
15%synergy
Arcane Signet
75%inclusion6 decks8 decks
14%synergy
Thran Dynamo
75%inclusion6 decks8 decks
69%synergy
Nyx Lotus
50%inclusion4 decks8 decks
44%synergy
Thought Vessel
38%inclusion3 decks8 decks
13%synergy
Charcoal Diamond
25%inclusion2 decks8 decks
3%synergy
Throne of Eldraine
25%inclusion2 decks8 decks
16%synergy
Gilded Lotus
25%inclusion2 decks8 decks
20%synergy
Worn Powerstone
25%inclusion2 decks8 decks
21%synergy
Mind Stone
25%inclusion2 decks8 decks
-3%synergy
Sceptre of Eternal Glory
25%inclusion2 decks8 decks
17%synergy
Extraplanar Lens
25%inclusion2 decks8 decks
20%synergy
Commander's Sphere
13%inclusion1 decks8 decks
5%synergy
Gauntlet of Power
13%inclusion1 decks8 decks
9%synergy
Altar of the Pantheon
13%inclusion1 decks8 decks
12%synergy
Replicating Ring
13%inclusion1 decks8 decks
12%synergy
Crowded Crypt
13%inclusion1 decks8 decks
8%synergy
Chromatic Lantern
13%inclusion1 decks8 decks
12%synergy
Chromatic Orrery
13%inclusion1 decks8 decks
12%synergy
Infernal Idol
13%inclusion1 decks8 decks
12%synergy
Darksteel Ingot
13%inclusion1 decks8 decks
12%synergy
Manalith
13%inclusion1 decks8 decks
12%synergy
Mox Opal
13%inclusion1 decks8 decks
9%synergy
Letter of Acceptance
13%inclusion1 decks8 decks
12%synergy
Lands
Myriad Landscape
63%inclusion5 decks8 decks
38%synergy
Swamp
63%inclusion5 decks8 decks
-33%synergy
Snow-Covered Swamp
38%inclusion3 decks8 decks
31%synergy
Hagra Mauling
13%inclusion1 decks8 decks
8%synergy
Prismatic Vista
13%inclusion1 decks8 decks
10%synergy
Fell the Profane
13%inclusion1 decks8 decks
-7%synergy
Command Tower
13%inclusion1 decks8 decks
7%synergy
Fabled Passage
13%inclusion1 decks8 decks
10%synergy
Urza's Cave
13%inclusion1 decks8 decks
4%synergy
Sunken Citadel
13%inclusion1 decks8 decks
12%synergy
Agadeem's Awakening
13%inclusion1 decks8 decks
5%synergy
Demolition Field
13%inclusion1 decks8 decks
7%synergy
Malakir Rebirth
13%inclusion1 decks8 decks
-11%synergy
Evolving Wilds
13%inclusion1 decks8 decks
9%synergy
Tarnation Vista
13%inclusion1 decks8 decks
12%synergy
Gemstone Caverns
13%inclusion1 decks8 decks
8%synergy
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