Arvinox, the Mind Flail (Commander) - Core Devotion

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,444
3decks
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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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Brainstealer Dragon
100%inclusion3 decks3 decks
97%synergy
Gray Merchant of Asphodel
67%inclusion2 decks3 decks
16%synergy
Sepulchral Primordial
67%inclusion2 decks3 decks
64%synergy
Lord of the Void
67%inclusion2 decks3 decks
65%synergy
Nirkana Revenant
67%inclusion2 decks3 decks
56%synergy
Intellect Devourer
67%inclusion2 decks3 decks
66%synergy
Crypt Ghast
67%inclusion2 decks3 decks
20%synergy
Valgavoth, Terror Eater
67%inclusion2 decks3 decks
61%synergy
K'rrik, Son of Yawgmoth
67%inclusion2 decks3 decks
47%synergy
Gonti, Lord of Luxury
67%inclusion2 decks3 decks
63%synergy
Elder Brain
67%inclusion2 decks3 decks
64%synergy
Dauthi Voidwalker
67%inclusion2 decks3 decks
51%synergy
Leaden Myr
67%inclusion2 decks3 decks
61%synergy
Solemn Simulacrum
33%inclusion1 decks3 decks
12%synergy
Puppeteer Clique
33%inclusion1 decks3 decks
32%synergy
Bismuth Mindrender
33%inclusion1 decks3 decks
33%synergy
Dread Presence
33%inclusion1 decks3 decks
20%synergy
Silent Arbiter
33%inclusion1 decks3 decks
32%synergy
Magus of the Coffers
33%inclusion1 decks3 decks
27%synergy
Starving Revenant
33%inclusion1 decks3 decks
32%synergy
Plaguecrafter
33%inclusion1 decks3 decks
13%synergy
Sheoldred, the Apocalypse
33%inclusion1 decks3 decks
19%synergy
Nightmare
33%inclusion1 decks3 decks
32%synergy
Nighthawk Scavenger
33%inclusion1 decks3 decks
28%synergy
Ornithopter of Paradise
33%inclusion1 decks3 decks
31%synergy
Defiler of Flesh
33%inclusion1 decks3 decks
30%synergy
Blood Seeker
33%inclusion1 decks3 decks
32%synergy
Umbra Stalker
33%inclusion1 decks3 decks
33%synergy
Ink-Eyes, Servant of Oni
33%inclusion1 decks3 decks
30%synergy
Marshland Bloodcaster
33%inclusion1 decks3 decks
33%synergy
Mari, the Killing Quill
33%inclusion1 decks3 decks
32%synergy
Wandering Archaic
33%inclusion1 decks3 decks
33%synergy
Squelching Leeches
33%inclusion1 decks3 decks
33%synergy
Abyssal Harvester
33%inclusion1 decks3 decks
30%synergy
Lorcan, Warlock Collector
33%inclusion1 decks3 decks
33%synergy
Preacher of the Schism
33%inclusion1 decks3 decks
32%synergy
Tinybones, the Pickpocket
33%inclusion1 decks3 decks
28%synergy
Burnished Hart
33%inclusion1 decks3 decks
26%synergy
Author of Shadows
33%inclusion1 decks3 decks
33%synergy
Treasure Dredger
33%inclusion1 decks3 decks
33%synergy
Zenith Chronicler
33%inclusion1 decks3 decks
32%synergy
Twilight Prophet
33%inclusion1 decks3 decks
28%synergy
Doomsday Excruciator
33%inclusion1 decks3 decks
30%synergy
Keen Duelist
33%inclusion1 decks3 decks
32%synergy
Rankle, Master of Pranks
33%inclusion1 decks3 decks
21%synergy
Vesper Ghoul
33%inclusion1 decks3 decks
33%synergy
The Speed Demon
33%inclusion1 decks3 decks
32%synergy
Nashi, Moon Sage's Scion
33%inclusion1 decks3 decks
30%synergy
Geth, Lord of the Vault
33%inclusion1 decks3 decks
32%synergy
Forsworn Paladin
33%inclusion1 decks3 decks
32%synergy
Instants
Outrageous Robbery
100%inclusion3 decks3 decks
98%synergy
Consuming Corruption
67%inclusion2 decks3 decks
51%synergy
Dark Ritual
67%inclusion2 decks3 decks
-0%synergy
Soul Shatter
67%inclusion2 decks3 decks
55%synergy
Withering Torment
67%inclusion2 decks3 decks
35%synergy
Hagra Mauling
33%inclusion1 decks3 decks
29%synergy
Deadly Rollick
33%inclusion1 decks3 decks
8%synergy
Fell the Profane
33%inclusion1 decks3 decks
14%synergy
Stinging Study
33%inclusion1 decks3 decks
31%synergy
Sheoldred's Edict
33%inclusion1 decks3 decks
18%synergy
Go for the Throat
33%inclusion1 decks3 decks
11%synergy
Imp's Mischief
33%inclusion1 decks3 decks
8%synergy
Deadly Dispute
33%inclusion1 decks3 decks
7%synergy
Defile
33%inclusion1 decks3 decks
-2%synergy
Doom Blade
33%inclusion1 decks3 decks
26%synergy
Tendrils of Corruption
33%inclusion1 decks3 decks
30%synergy
Malakir Rebirth
33%inclusion1 decks3 decks
10%synergy
Succumb to Temptation
33%inclusion1 decks3 decks
32%synergy
Cast Down
33%inclusion1 decks3 decks
32%synergy
Curtains' Call
33%inclusion1 decks3 decks
32%synergy
Szat's Will
33%inclusion1 decks3 decks
31%synergy
Sorceries
Bubbling Muck
67%inclusion2 decks3 decks
51%synergy
Feed the Swarm
67%inclusion2 decks3 decks
16%synergy
Blasphemous Edict
67%inclusion2 decks3 decks
51%synergy
Cruelclaw's Heist
67%inclusion2 decks3 decks
64%synergy
Night's Whisper
67%inclusion2 decks3 decks
42%synergy
Visions of Dread
33%inclusion1 decks3 decks
33%synergy
Worthy Cost
33%inclusion1 decks3 decks
32%synergy
Dredge the Mire
33%inclusion1 decks3 decks
33%synergy
Cloudkill
33%inclusion1 decks3 decks
33%synergy
Soul Transfer
33%inclusion1 decks3 decks
33%synergy
Victimize
33%inclusion1 decks3 decks
6%synergy
Ghastly Conscription
33%inclusion1 decks3 decks
33%synergy
Predators' Hour
33%inclusion1 decks3 decks
32%synergy
Shadow of the Enemy
33%inclusion1 decks3 decks
33%synergy
Mutilate
33%inclusion1 decks3 decks
17%synergy
Scheming Symmetry
33%inclusion1 decks3 decks
29%synergy
Blood Money
33%inclusion1 decks3 decks
30%synergy
Exsanguinate
33%inclusion1 decks3 decks
9%synergy
Extract a Confession
33%inclusion1 decks3 decks
32%synergy
Boneyard Parley
33%inclusion1 decks3 decks
33%synergy
Diresight
33%inclusion1 decks3 decks
30%synergy
Insatiable Avarice
33%inclusion1 decks3 decks
22%synergy
Toxic Deluge
33%inclusion1 decks3 decks
-3%synergy
Necromantic Selection
33%inclusion1 decks3 decks
31%synergy
Sign in Blood
33%inclusion1 decks3 decks
-2%synergy
Heartless Conscription
33%inclusion1 decks3 decks
32%synergy
Beseech the Queen
33%inclusion1 decks3 decks
27%synergy
Eaten Alive
33%inclusion1 decks3 decks
30%synergy
Damnation
33%inclusion1 decks3 decks
13%synergy
Utility Artifacts
Jet Medallion
67%inclusion2 decks3 decks
5%synergy
Crawlspace
33%inclusion1 decks3 decks
32%synergy
Wayfarer's Bauble
33%inclusion1 decks3 decks
19%synergy
Armillary Sphere
33%inclusion1 decks3 decks
33%synergy
Traveler's Amulet
33%inclusion1 decks3 decks
33%synergy
Expedition Map
33%inclusion1 decks3 decks
22%synergy
Bontu's Monument
33%inclusion1 decks3 decks
5%synergy
Manascape Refractor
33%inclusion1 decks3 decks
33%synergy
Braidwood Sextant
33%inclusion1 decks3 decks
33%synergy
Staff of Eden, Vault's Key
33%inclusion1 decks3 decks
32%synergy
Helm of Awakening
33%inclusion1 decks3 decks
32%synergy
Aether Vial
33%inclusion1 decks3 decks
33%synergy
The Regalia
33%inclusion1 decks3 decks
33%synergy
Enchantments
Black Market
67%inclusion2 decks3 decks
46%synergy
Black Market Connections
67%inclusion2 decks3 decks
42%synergy
Dead Man's Chest
67%inclusion2 decks3 decks
66%synergy
Cunning Rhetoric
67%inclusion2 decks3 decks
64%synergy
Court of Locthwain
33%inclusion1 decks3 decks
31%synergy
Hedonist's Trove
33%inclusion1 decks3 decks
33%synergy
Wound Reflection
33%inclusion1 decks3 decks
30%synergy
Painful Quandary
33%inclusion1 decks3 decks
23%synergy
Bloodchief Ascension
33%inclusion1 decks3 decks
24%synergy
Unhallowed Pact
33%inclusion1 decks3 decks
33%synergy
Phyrexian Arena
33%inclusion1 decks3 decks
-6%synergy
Heartless Summoning
33%inclusion1 decks3 decks
28%synergy
Planeswalkers
Tevesh Szat, Doom of Fools
33%inclusion1 decks3 decks
30%synergy
Liliana of the Dark Realms
33%inclusion1 decks3 decks
20%synergy
Utility Lands
Bojuka Bog
67%inclusion2 decks3 decks
20%synergy
Cabal Stronghold
67%inclusion2 decks3 decks
32%synergy
Cabal Coffers
67%inclusion2 decks3 decks
12%synergy
Mortuary Mire
33%inclusion1 decks3 decks
20%synergy
Vesuva
33%inclusion1 decks3 decks
31%synergy
War Room
33%inclusion1 decks3 decks
17%synergy
Nykthos, Shrine to Nyx
33%inclusion1 decks3 decks
4%synergy
Thespian's Stage
33%inclusion1 decks3 decks
28%synergy
Temple of the False God
33%inclusion1 decks3 decks
26%synergy
Leechridden Swamp
33%inclusion1 decks3 decks
31%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
-4%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
39%synergy
Sol Ring
100%inclusion3 decks3 decks
15%synergy
Charcoal Diamond
67%inclusion2 decks3 decks
45%synergy
Thought Vessel
67%inclusion2 decks3 decks
42%synergy
Thran Dynamo
67%inclusion2 decks3 decks
61%synergy
Worn Powerstone
67%inclusion2 decks3 decks
63%synergy
Mind Stone
67%inclusion2 decks3 decks
39%synergy
Nyx Lotus
67%inclusion2 decks3 decks
61%synergy
Commander's Sphere
33%inclusion1 decks3 decks
25%synergy
Replicating Ring
33%inclusion1 decks3 decks
33%synergy
Chromatic Lantern
33%inclusion1 decks3 decks
33%synergy
Throne of Eldraine
33%inclusion1 decks3 decks
24%synergy
Gilded Lotus
33%inclusion1 decks3 decks
28%synergy
Infernal Idol
33%inclusion1 decks3 decks
33%synergy
Darksteel Ingot
33%inclusion1 decks3 decks
33%synergy
Manalith
33%inclusion1 decks3 decks
33%synergy
Sceptre of Eternal Glory
33%inclusion1 decks3 decks
25%synergy
Letter of Acceptance
33%inclusion1 decks3 decks
33%synergy
Lands
Swamp
100%inclusion3 decks3 decks
5%synergy
Hagra Mauling
33%inclusion1 decks3 decks
29%synergy
Fell the Profane
33%inclusion1 decks3 decks
14%synergy
Myriad Landscape
33%inclusion1 decks3 decks
9%synergy
Urza's Cave
33%inclusion1 decks3 decks
25%synergy
Sunken Citadel
33%inclusion1 decks3 decks
33%synergy
Malakir Rebirth
33%inclusion1 decks3 decks
10%synergy
Evolving Wilds
33%inclusion1 decks3 decks
30%synergy
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