Arvinox, the Mind Flail (Commander) - Optimized Theft

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,373
4decks
As CommanderAs CardAverage DeckDecks
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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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Madame Null, Power Broker
100%inclusion1 decks1 decks
99%synergy
Savanti Romero, Time's Exile
100%inclusion1 decks1 decks
99%synergy
High Synergy Cards
Elder Brain
100%inclusion4 decks4 decks
97%synergy
Gonti, Lord of Luxury
100%inclusion4 decks4 decks
97%synergy
Gisa, Glorious Resurrector
100%inclusion4 decks4 decks
95%synergy
Magus of the Coffers
100%inclusion4 decks4 decks
93%synergy
Bontu's Monument
100%inclusion4 decks4 decks
72%synergy
Reanimate
100%inclusion4 decks4 decks
60%synergy
Cabal Coffers
100%inclusion4 decks4 decks
45%synergy
Jet Medallion
100%inclusion4 decks4 decks
38%synergy
Dark Ritual
100%inclusion4 decks4 decks
33%synergy
Game Changers
Opposition Agent
75%inclusion3 decks4 decks
65%synergy
Bolas's Citadel
75%inclusion3 decks4 decks
46%synergy
Tergrid, God of Fright
50%inclusion2 decks4 decks
42%synergy
Orcish Bowmasters
50%inclusion2 decks4 decks
37%synergy
Ancient Tomb
25%inclusion1 decks4 decks
13%synergy
The One Ring
25%inclusion1 decks4 decks
16%synergy
Demonic Tutor
25%inclusion1 decks4 decks
-2%synergy
Field of the Dead
25%inclusion1 decks4 decks
24%synergy
Vampiric Tutor
25%inclusion1 decks4 decks
4%synergy
Creatures
Brainstealer Dragon
75%inclusion3 decks4 decks
72%synergy
Burnished Hart
75%inclusion3 decks4 decks
68%synergy
Crypt Ghast
75%inclusion3 decks4 decks
27%synergy
Valgavoth, Terror Eater
75%inclusion3 decks4 decks
70%synergy
Herald of Leshrac
75%inclusion3 decks4 decks
75%synergy
Solemn Simulacrum
50%inclusion2 decks4 decks
28%synergy
Gray Merchant of Asphodel
50%inclusion2 decks4 decks
-1%synergy
Crabomination
50%inclusion2 decks4 decks
49%synergy
Lord of the Void
50%inclusion2 decks4 decks
48%synergy
Nirkana Revenant
50%inclusion2 decks4 decks
39%synergy
Ancient Cellarspawn
50%inclusion2 decks4 decks
48%synergy
Thieving Varmint
50%inclusion2 decks4 decks
47%synergy
Oblivion Sower
50%inclusion2 decks4 decks
50%synergy
Kheru Mind-Eater
50%inclusion2 decks4 decks
50%synergy
Dauthi Voidwalker
50%inclusion2 decks4 decks
34%synergy
Thieving Amalgam
50%inclusion2 decks4 decks
49%synergy
Black Cat, Cunning Thief
33%inclusion1 decks3 decks
32%synergy
Syr Konrad, the Grim
25%inclusion1 decks4 decks
5%synergy
Hoarding Broodlord
25%inclusion1 decks4 decks
21%synergy
The Raven Man
25%inclusion1 decks4 decks
19%synergy
Agent of Erebos
25%inclusion1 decks4 decks
25%synergy
Sepulchral Primordial
25%inclusion1 decks4 decks
23%synergy
Demon of Fate's Design
25%inclusion1 decks4 decks
25%synergy
Tymaret, Chosen from Death
25%inclusion1 decks4 decks
24%synergy
Abyssal Harvester
25%inclusion1 decks4 decks
21%synergy
Lorcan, Warlock Collector
25%inclusion1 decks4 decks
25%synergy
Blightwing Bandit
25%inclusion1 decks4 decks
25%synergy
Junji, the Midnight Sky
25%inclusion1 decks4 decks
20%synergy
Tinybones, the Pickpocket
25%inclusion1 decks4 decks
20%synergy
Shelob, Dread Weaver
25%inclusion1 decks4 decks
25%synergy
Rev, Tithe Extractor
25%inclusion1 decks4 decks
23%synergy
Bog Witch
25%inclusion1 decks4 decks
23%synergy
Author of Shadows
25%inclusion1 decks4 decks
24%synergy
Disciple of Bolas
25%inclusion1 decks4 decks
20%synergy
Sheoldred, Whispering One
25%inclusion1 decks4 decks
13%synergy
Gix, Yawgmoth Praetor
25%inclusion1 decks4 decks
20%synergy
Intellect Devourer
25%inclusion1 decks4 decks
24%synergy
Noxious Gearhulk
25%inclusion1 decks4 decks
18%synergy
Nightmare Shepherd
25%inclusion1 decks4 decks
24%synergy
Doomwake Giant
25%inclusion1 decks4 decks
25%synergy
Chainer, Dementia Master
25%inclusion1 decks4 decks
20%synergy
K'rrik, Son of Yawgmoth
25%inclusion1 decks4 decks
6%synergy
Geth, Lord of the Vault
25%inclusion1 decks4 decks
24%synergy
Braids, Arisen Nightmare
25%inclusion1 decks4 decks
6%synergy
Tinybones, Bauble Burglar
25%inclusion1 decks4 decks
21%synergy
Instants
Defile
75%inclusion3 decks4 decks
38%synergy
Deadly Rollick
50%inclusion2 decks4 decks
26%synergy
Sacrifice
50%inclusion2 decks4 decks
45%synergy
Consuming Corruption
50%inclusion2 decks4 decks
34%synergy
Doom Blade
50%inclusion2 decks4 decks
43%synergy
Outrageous Robbery
50%inclusion2 decks4 decks
48%synergy
Darkness
50%inclusion2 decks4 decks
40%synergy
Grim Return
50%inclusion2 decks4 decks
49%synergy
Dismember
50%inclusion2 decks4 decks
40%synergy
Fell the Profane
25%inclusion1 decks4 decks
6%synergy
Force of Despair
25%inclusion1 decks4 decks
17%synergy
Thrilling Encore
25%inclusion1 decks4 decks
23%synergy
Go for the Throat
25%inclusion1 decks4 decks
2%synergy
Imp's Mischief
25%inclusion1 decks4 decks
0%synergy
Not Dead After All
25%inclusion1 decks4 decks
14%synergy
Soul Shatter
25%inclusion1 decks4 decks
13%synergy
Withering Boon
25%inclusion1 decks4 decks
21%synergy
Tendrils of Corruption
25%inclusion1 decks4 decks
21%synergy
Murder
25%inclusion1 decks4 decks
15%synergy
Infernal Grasp
25%inclusion1 decks4 decks
0%synergy
Tainted Strike
25%inclusion1 decks4 decks
22%synergy
Nurgle's Conscription
25%inclusion1 decks4 decks
25%synergy
Malakir Rebirth
25%inclusion1 decks4 decks
2%synergy
Black Sun's Twilight
25%inclusion1 decks4 decks
22%synergy
Breathe Your Last
25%inclusion1 decks4 decks
23%synergy
Withering Torment
25%inclusion1 decks4 decks
-6%synergy
Sorceries
Dredge the Mire
75%inclusion3 decks4 decks
74%synergy
Rise of the Dark Realms
75%inclusion3 decks4 decks
62%synergy
Breach the Multiverse
75%inclusion3 decks4 decks
69%synergy
Victimize
50%inclusion2 decks4 decks
23%synergy
Torment of Hailfire
50%inclusion2 decks4 decks
35%synergy
Shadow of the Enemy
50%inclusion2 decks4 decks
49%synergy
Blasphemous Edict
50%inclusion2 decks4 decks
33%synergy
Ghouls' Night Out
50%inclusion2 decks4 decks
49%synergy
Visions of Dread
25%inclusion1 decks4 decks
25%synergy
Demogorgon's Clutches
25%inclusion1 decks4 decks
25%synergy
Diabolic Tutor
25%inclusion1 decks4 decks
11%synergy
Command the Dreadhorde
25%inclusion1 decks4 decks
24%synergy
Finale of Eternity
25%inclusion1 decks4 decks
24%synergy
Inquisition of Kozilek
25%inclusion1 decks4 decks
23%synergy
Xander's Pact
25%inclusion1 decks4 decks
25%synergy
Predators' Hour
25%inclusion1 decks4 decks
24%synergy
Feed the Swarm
25%inclusion1 decks4 decks
-25%synergy
Praetor's Grasp
25%inclusion1 decks4 decks
21%synergy
Army of the Damned
25%inclusion1 decks4 decks
20%synergy
Cruelclaw's Heist
25%inclusion1 decks4 decks
23%synergy
Hex
25%inclusion1 decks4 decks
24%synergy
Decree of Pain
25%inclusion1 decks4 decks
20%synergy
Atrocious Experiment
25%inclusion1 decks4 decks
24%synergy
In Garruk's Wake
25%inclusion1 decks4 decks
21%synergy
Annihilating Glare
25%inclusion1 decks4 decks
24%synergy
Syphon Mind
25%inclusion1 decks4 decks
13%synergy
Toxic Deluge
25%inclusion1 decks4 decks
-12%synergy
Sign in Blood
25%inclusion1 decks4 decks
-11%synergy
Extinguish All Hope
25%inclusion1 decks4 decks
25%synergy
Heartless Conscription
25%inclusion1 decks4 decks
24%synergy
Ashen Powder
25%inclusion1 decks4 decks
25%synergy
Let's Play a Game
25%inclusion1 decks4 decks
23%synergy
Thoughtseize
25%inclusion1 decks4 decks
20%synergy
Worst Fears
25%inclusion1 decks4 decks
25%synergy
Utility Artifacts
Staff of Eden, Vault's Key
75%inclusion3 decks4 decks
74%synergy
Lightning Greaves
75%inclusion3 decks4 decks
41%synergy
Portal to Phyrexia
50%inclusion2 decks4 decks
49%synergy
Wayfarer's Bauble
50%inclusion2 decks4 decks
35%synergy
The Cauldron of Eternity
50%inclusion2 decks4 decks
50%synergy
The Darkness Crystal
33%inclusion1 decks3 decks
13%synergy
Chaos Wand
25%inclusion1 decks4 decks
25%synergy
Lithoform Engine
25%inclusion1 decks4 decks
24%synergy
Crawlspace
25%inclusion1 decks4 decks
24%synergy
Crucible of Worlds
25%inclusion1 decks4 decks
23%synergy
Eye of Vecna
25%inclusion1 decks4 decks
24%synergy
Hand of Vecna
25%inclusion1 decks4 decks
24%synergy
The Immortal Sun
25%inclusion1 decks4 decks
24%synergy
Whip of Erebos
25%inclusion1 decks4 decks
14%synergy
Sculpting Steel
25%inclusion1 decks4 decks
22%synergy
Realmbreaker, the Invasion Tree
25%inclusion1 decks4 decks
24%synergy
Helm of the Host
25%inclusion1 decks4 decks
24%synergy
Shadowspear
25%inclusion1 decks4 decks
21%synergy
Akroma's Memorial
25%inclusion1 decks4 decks
24%synergy
Whispersilk Cloak
25%inclusion1 decks4 decks
19%synergy
Doubling Cube
25%inclusion1 decks4 decks
25%synergy
Mindslaver
25%inclusion1 decks4 decks
25%synergy
Horizon Stone
25%inclusion1 decks4 decks
25%synergy
Glasses of Urza
25%inclusion1 decks4 decks
24%synergy
Mindcrank
25%inclusion1 decks4 decks
20%synergy
Swiftfoot Boots
25%inclusion1 decks4 decks
-6%synergy
The Book of Vile Darkness
25%inclusion1 decks4 decks
24%synergy
Enchantments
Grave Betrayal
75%inclusion3 decks4 decks
72%synergy
Dead Man's Chest
75%inclusion3 decks4 decks
74%synergy
Cunning Rhetoric
75%inclusion3 decks4 decks
73%synergy
Black Market
50%inclusion2 decks4 decks
29%synergy
No Mercy
50%inclusion2 decks4 decks
43%synergy
Sothera, the Supervoid
33%inclusion1 decks3 decks
30%synergy
Price of Knowledge
25%inclusion1 decks4 decks
25%synergy
Court of Ambition
25%inclusion1 decks4 decks
21%synergy
Minion's Return
25%inclusion1 decks4 decks
24%synergy
Grave Pact
25%inclusion1 decks4 decks
6%synergy
Hedonist's Trove
25%inclusion1 decks4 decks
25%synergy
Necrodominance
25%inclusion1 decks4 decks
22%synergy
Eternal Thirst
25%inclusion1 decks4 decks
23%synergy
Kaya's Ghostform
25%inclusion1 decks4 decks
15%synergy
Oubliette
25%inclusion1 decks4 decks
22%synergy
Phyrexian Arena
25%inclusion1 decks4 decks
-15%synergy
Virtue of Persistence
25%inclusion1 decks4 decks
20%synergy
Planeswalkers
Liliana of the Dark Realms
50%inclusion2 decks4 decks
36%synergy
Tevesh Szat, Doom of Fools
25%inclusion1 decks4 decks
22%synergy
Utility Lands
Cabal Stronghold
75%inclusion3 decks4 decks
40%synergy
Witch's Cottage
75%inclusion3 decks4 decks
50%synergy
Bojuka Bog
50%inclusion2 decks4 decks
3%synergy
Maze of Ith
50%inclusion2 decks4 decks
47%synergy
Vesuva
50%inclusion2 decks4 decks
47%synergy
Nykthos, Shrine to Nyx
50%inclusion2 decks4 decks
20%synergy
Thespian's Stage
50%inclusion2 decks4 decks
45%synergy
Castle Locthwain
50%inclusion2 decks4 decks
33%synergy
Strip Mine
50%inclusion2 decks4 decks
47%synergy
Urborg, Tomb of Yawgmoth
50%inclusion2 decks4 decks
12%synergy
Phyrexian Tower
25%inclusion1 decks4 decks
0%synergy
Barren Moor
25%inclusion1 decks4 decks
15%synergy
War Room
25%inclusion1 decks4 decks
9%synergy
Emergence Zone
25%inclusion1 decks4 decks
22%synergy
Deserted Temple
25%inclusion1 decks4 decks
21%synergy
Lake of the Dead
25%inclusion1 decks4 decks
20%synergy
Reliquary Tower
25%inclusion1 decks4 decks
-5%synergy
Temple of the False God
25%inclusion1 decks4 decks
17%synergy
Mana Artifacts
Sol Ring
100%inclusion4 decks4 decks
14%synergy
Caged Sun
75%inclusion3 decks4 decks
64%synergy
Arcane Signet
75%inclusion3 decks4 decks
13%synergy
Charcoal Diamond
50%inclusion2 decks4 decks
28%synergy
Throne of Eldraine
50%inclusion2 decks4 decks
40%synergy
Thought Vessel
50%inclusion2 decks4 decks
24%synergy
Gilded Lotus
25%inclusion1 decks4 decks
20%synergy
Thran Dynamo
25%inclusion1 decks4 decks
19%synergy
Worn Powerstone
25%inclusion1 decks4 decks
21%synergy
Mind Stone
25%inclusion1 decks4 decks
-4%synergy
Sceptre of Eternal Glory
25%inclusion1 decks4 decks
17%synergy
Lands
Swamp
100%inclusion4 decks4 decks
5%synergy
Command Tower
50%inclusion2 decks4 decks
44%synergy
Fell the Profane
25%inclusion1 decks4 decks
6%synergy
Myriad Landscape
25%inclusion1 decks4 decks
-1%synergy
Exotic Orchard
25%inclusion1 decks4 decks
24%synergy
Demolition Field
25%inclusion1 decks4 decks
20%synergy
Malakir Rebirth
25%inclusion1 decks4 decks
2%synergy
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