Arvinox, the Mind Flail (Commander) - Upgraded Theft

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,377
7decks
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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%inclusion7 decks7 decks
97%synergy
Thieving Amalgam
86%inclusion6 decks7 decks
84%synergy
Sepulchral Primordial
86%inclusion6 decks7 decks
83%synergy
Elder Brain
86%inclusion6 decks7 decks
83%synergy
Gonti, Lord of Luxury
86%inclusion6 decks7 decks
82%synergy
Dauthi Voidwalker
86%inclusion6 decks7 decks
70%synergy
Geth, Lord of the Vault
71%inclusion5 decks7 decks
70%synergy
Heartless Conscription
71%inclusion5 decks7 decks
70%synergy
Gonti, Night Minister
71%inclusion5 decks7 decks
69%synergy
Animate Dead
86%inclusion6 decks7 decks
68%synergy
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Crypt Ghast
86%inclusion6 decks7 decks
38%synergy
Gray Merchant of Asphodel
71%inclusion5 decks7 decks
20%synergy
Infernal Grasp
71%inclusion5 decks7 decks
46%synergy
Jet Medallion
71%inclusion5 decks7 decks
10%synergy
Sign in Blood
71%inclusion5 decks7 decks
36%synergy
Breach the Multiverse
71%inclusion5 decks7 decks
66%synergy
Withering Torment
71%inclusion5 decks7 decks
40%synergy
Consuming Corruption
57%inclusion4 decks7 decks
42%synergy
Dark Ritual
57%inclusion4 decks7 decks
-10%synergy
Feed the Swarm
57%inclusion4 decks7 decks
7%synergy
Game Changers
Ancient Tomb
29%inclusion2 decks7 decks
17%synergy
Opposition Agent
14%inclusion1 decks7 decks
5%synergy
Bolas's Citadel
14%inclusion1 decks7 decks
-14%synergy
Tergrid, God of Fright
14%inclusion1 decks7 decks
7%synergy
Necropotence
14%inclusion1 decks7 decks
0%synergy
Field of the Dead
14%inclusion1 decks7 decks
13%synergy
Chrome Mox
14%inclusion1 decks7 decks
8%synergy
Creatures
Black Cat, Cunning Thief
75%inclusion3 decks4 decks
74%synergy
Intellect Devourer
57%inclusion4 decks7 decks
56%synergy
Thieving Varmint
57%inclusion4 decks7 decks
54%synergy
Gisa, Glorious Resurrector
57%inclusion4 decks7 decks
52%synergy
Solemn Simulacrum
43%inclusion3 decks7 decks
21%synergy
Lord of the Void
43%inclusion3 decks7 decks
41%synergy
Nirkana Revenant
43%inclusion3 decks7 decks
32%synergy
Junktroller
43%inclusion3 decks7 decks
43%synergy
Tinybones, the Pickpocket
43%inclusion3 decks7 decks
38%synergy
Nashi, Moon Sage's Scion
43%inclusion3 decks7 decks
39%synergy
Syr Konrad, the Grim
29%inclusion2 decks7 decks
8%synergy
Hoarding Broodlord
29%inclusion2 decks7 decks
24%synergy
Defiler of Flesh
29%inclusion2 decks7 decks
25%synergy
Crabomination
29%inclusion2 decks7 decks
28%synergy
Lorcan, Warlock Collector
29%inclusion2 decks7 decks
28%synergy
Orochi Soul-Reaver
29%inclusion2 decks7 decks
27%synergy
Shelob, Dread Weaver
29%inclusion2 decks7 decks
28%synergy
Rev, Tithe Extractor
29%inclusion2 decks7 decks
27%synergy
Burnished Hart
29%inclusion2 decks7 decks
21%synergy
Gix, Yawgmoth Praetor
29%inclusion2 decks7 decks
24%synergy
Valgavoth, Terror Eater
29%inclusion2 decks7 decks
23%synergy
Reito Sentinel
29%inclusion2 decks7 decks
28%synergy
Leaden Myr
29%inclusion2 decks7 decks
23%synergy
Gwenom, Remorseless
25%inclusion1 decks4 decks
21%synergy
Chrome Companion
20%inclusion1 decks5 decks
20%synergy
Ardyn, the Usurper
17%inclusion1 decks6 decks
14%synergy
The Warring Triad
17%inclusion1 decks6 decks
16%synergy
Bismuth Mindrender
14%inclusion1 decks7 decks
14%synergy
Dread Presence
14%inclusion1 decks7 decks
0%synergy
Magus of the Coffers
14%inclusion1 decks7 decks
8%synergy
Alchemist's Assistant
14%inclusion1 decks7 decks
14%synergy
Plaguecrafter
14%inclusion1 decks7 decks
-6%synergy
Eye Collector
14%inclusion1 decks7 decks
13%synergy
Massacre Girl
14%inclusion1 decks7 decks
7%synergy
Hoverstone Pilgrim
14%inclusion1 decks7 decks
14%synergy
Abyssal Harvester
14%inclusion1 decks7 decks
10%synergy
Junji, the Midnight Sky
14%inclusion1 decks7 decks
9%synergy
Thieves' Guild Enforcer
14%inclusion1 decks7 decks
14%synergy
Myojin of Grim Betrayal
14%inclusion1 decks7 decks
14%synergy
Author of Shadows
14%inclusion1 decks7 decks
14%synergy
Sheoldred, Whispering One
14%inclusion1 decks7 decks
3%synergy
Royal Assassin
14%inclusion1 decks7 decks
12%synergy
Geode Golem
14%inclusion1 decks7 decks
13%synergy
Qarsi Revenant
14%inclusion1 decks7 decks
9%synergy
Coffin Queen
14%inclusion1 decks7 decks
14%synergy
Chainer, Dementia Master
14%inclusion1 decks7 decks
9%synergy
Draugr Necromancer
14%inclusion1 decks7 decks
14%synergy
Accursed Marauder
14%inclusion1 decks7 decks
-7%synergy
Kheru Mind-Eater
14%inclusion1 decks7 decks
14%synergy
Mindwrack Harpy
14%inclusion1 decks7 decks
13%synergy
Instants
Outrageous Robbery
57%inclusion4 decks7 decks
55%synergy
Malakir Rebirth
57%inclusion4 decks7 decks
34%synergy
Defile
43%inclusion3 decks7 decks
7%synergy
Undying Malice
43%inclusion3 decks7 decks
33%synergy
Baleful Mastery
43%inclusion3 decks7 decks
34%synergy
Pain 101
33%inclusion1 decks3 decks
32%synergy
Deadly Rollick
29%inclusion2 decks7 decks
4%synergy
Force of Despair
29%inclusion2 decks7 decks
21%synergy
Stinging Study
29%inclusion2 decks7 decks
26%synergy
Go for the Throat
29%inclusion2 decks7 decks
6%synergy
Imp's Mischief
29%inclusion2 decks7 decks
4%synergy
Doom Blade
29%inclusion2 decks7 decks
21%synergy
Soul Shatter
29%inclusion2 decks7 decks
17%synergy
Spoils of Evil
29%inclusion2 decks7 decks
28%synergy
Grim Return
29%inclusion2 decks7 decks
27%synergy
Sudden Spoiling
29%inclusion2 decks7 decks
20%synergy
The Spot's Portal
25%inclusion1 decks4 decks
25%synergy
Fell the Profane
14%inclusion1 decks7 decks
-5%synergy
Sheoldred's Edict
14%inclusion1 decks7 decks
0%synergy
Thrilling Encore
14%inclusion1 decks7 decks
13%synergy
Snuff Out
14%inclusion1 decks7 decks
1%synergy
Heartless Act
14%inclusion1 decks7 decks
12%synergy
Village Rites
14%inclusion1 decks7 decks
-11%synergy
Not Dead After All
14%inclusion1 decks7 decks
3%synergy
Undying Evil
14%inclusion1 decks7 decks
11%synergy
Hatred
14%inclusion1 decks7 decks
13%synergy
Deadly Dispute
14%inclusion1 decks7 decks
-12%synergy
Renegade's Getaway
14%inclusion1 decks7 decks
14%synergy
Withering Boon
14%inclusion1 decks7 decks
10%synergy
Tendrils of Corruption
14%inclusion1 decks7 decks
11%synergy
Darkness
14%inclusion1 decks7 decks
4%synergy
Black Sun's Twilight
14%inclusion1 decks7 decks
11%synergy
Power Word Kill
14%inclusion1 decks7 decks
13%synergy
Abnormal Endurance
14%inclusion1 decks7 decks
13%synergy
Treacherous Urge
14%inclusion1 decks7 decks
14%synergy
Feign Death
14%inclusion1 decks7 decks
6%synergy
Dismember
14%inclusion1 decks7 decks
4%synergy
Sorceries
Cruelclaw's Heist
57%inclusion4 decks7 decks
55%synergy
Night's Whisper
57%inclusion4 decks7 decks
32%synergy
Damnation
57%inclusion4 decks7 decks
37%synergy
Dredge the Mire
43%inclusion3 decks7 decks
42%synergy
Read the Bones
43%inclusion3 decks7 decks
26%synergy
Exsanguinate
43%inclusion3 decks7 decks
18%synergy
Reanimate
43%inclusion3 decks7 decks
3%synergy
Toxic Deluge
43%inclusion3 decks7 decks
6%synergy
Visions of Dread
29%inclusion2 decks7 decks
28%synergy
Torment of Hailfire
29%inclusion2 decks7 decks
13%synergy
Bubbling Muck
29%inclusion2 decks7 decks
13%synergy
Predators' Hour
29%inclusion2 decks7 decks
27%synergy
Blasphemous Edict
29%inclusion2 decks7 decks
12%synergy
Syphon Mind
29%inclusion2 decks7 decks
16%synergy
Beacon of Unrest
29%inclusion2 decks7 decks
25%synergy
Life's Finale
14%inclusion1 decks7 decks
14%synergy
Afterlife from the Loam
14%inclusion1 decks7 decks
13%synergy
Will of the Abzan
14%inclusion1 decks7 decks
11%synergy
Come Back Wrong
14%inclusion1 decks7 decks
12%synergy
Xander's Pact
14%inclusion1 decks7 decks
14%synergy
Dead of Winter
14%inclusion1 decks7 decks
13%synergy
Shadow of the Enemy
14%inclusion1 decks7 decks
14%synergy
Dread Summons
14%inclusion1 decks7 decks
12%synergy
Mutilate
14%inclusion1 decks7 decks
-3%synergy
Blood Money
14%inclusion1 decks7 decks
11%synergy
Consume Spirit
14%inclusion1 decks7 decks
13%synergy
Decree of Pain
14%inclusion1 decks7 decks
9%synergy
Diresight
14%inclusion1 decks7 decks
11%synergy
Corrupt
14%inclusion1 decks7 decks
12%synergy
Insatiable Avarice
14%inclusion1 decks7 decks
3%synergy
Essence Harvest
14%inclusion1 decks7 decks
13%synergy
Necromantic Selection
14%inclusion1 decks7 decks
12%synergy
Deadly Tempest
14%inclusion1 decks7 decks
12%synergy
From the Catacombs
14%inclusion1 decks7 decks
14%synergy
Ghouls' Night Out
14%inclusion1 decks7 decks
14%synergy
Ashen Powder
14%inclusion1 decks7 decks
14%synergy
Rise of the Dark Realms
14%inclusion1 decks7 decks
1%synergy
Shared Trauma
14%inclusion1 decks7 decks
14%synergy
Sanguimancy
14%inclusion1 decks7 decks
14%synergy
Worst Fears
14%inclusion1 decks7 decks
14%synergy
Utility Artifacts
The Darkness Crystal
50%inclusion3 decks6 decks
30%synergy
Fishing Gear
50%inclusion2 decks4 decks
50%synergy
Expedition Map
43%inclusion3 decks7 decks
31%synergy
Staff of Eden, Vault's Key
43%inclusion3 decks7 decks
42%synergy
Chaos Wand
29%inclusion2 decks7 decks
28%synergy
Dream-Thief's Bandana
29%inclusion2 decks7 decks
28%synergy
Bontu's Monument
29%inclusion2 decks7 decks
0%synergy
Mesmeric Orb
14%inclusion1 decks7 decks
12%synergy
Lashwrithe
14%inclusion1 decks7 decks
10%synergy
Wayfarer's Bauble
14%inclusion1 decks7 decks
-1%synergy
Whip of Erebos
14%inclusion1 decks7 decks
3%synergy
Aetherflux Reservoir
14%inclusion1 decks7 decks
5%synergy
Mind's Eye
14%inclusion1 decks7 decks
14%synergy
Realmbreaker, the Invasion Tree
14%inclusion1 decks7 decks
13%synergy
Wishclaw Talisman
14%inclusion1 decks7 decks
8%synergy
Cybership
14%inclusion1 decks7 decks
14%synergy
Mask of Griselbrand
14%inclusion1 decks7 decks
11%synergy
Altar of the Brood
14%inclusion1 decks7 decks
12%synergy
Altar of the Wretched
14%inclusion1 decks7 decks
13%synergy
Mindcrank
14%inclusion1 decks7 decks
9%synergy
Lightning Greaves
14%inclusion1 decks7 decks
-19%synergy
Enchantments
Court of Locthwain
57%inclusion4 decks7 decks
55%synergy
Cunning Rhetoric
57%inclusion4 decks7 decks
55%synergy
Dead Man's Chest
43%inclusion3 decks7 decks
42%synergy
Dance of the Dead
29%inclusion2 decks7 decks
25%synergy
Black Market
29%inclusion2 decks7 decks
8%synergy
The Eldest Reborn
29%inclusion2 decks7 decks
25%synergy
Necromancy
29%inclusion2 decks7 decks
23%synergy
Minion's Return
29%inclusion2 decks7 decks
28%synergy
Phyrexian Arena
29%inclusion2 decks7 decks
-11%synergy
Heartless Summoning
29%inclusion2 decks7 decks
24%synergy
Chorale of the Void
25%inclusion1 decks4 decks
24%synergy
Greed
14%inclusion1 decks7 decks
8%synergy
The Cruelty of Gix
14%inclusion1 decks7 decks
13%synergy
Protection Racket
14%inclusion1 decks7 decks
14%synergy
Meathook Massacre II
14%inclusion1 decks7 decks
8%synergy
Grave Betrayal
14%inclusion1 decks7 decks
12%synergy
Hedonist's Trove
14%inclusion1 decks7 decks
14%synergy
Revenge of Ravens
14%inclusion1 decks7 decks
12%synergy
Virtue of Persistence
14%inclusion1 decks7 decks
9%synergy
Planeswalkers
Tevesh Szat, Doom of Fools
14%inclusion1 decks7 decks
11%synergy
Liliana of the Dark Realms
14%inclusion1 decks7 decks
0%synergy
Utility Lands
Cabal Coffers
100%inclusion7 decks7 decks
45%synergy
Cabal Stronghold
86%inclusion6 decks7 decks
51%synergy
Nykthos, Shrine to Nyx
71%inclusion5 decks7 decks
42%synergy
Urborg, Tomb of Yawgmoth
71%inclusion5 decks7 decks
34%synergy
Bojuka Bog
43%inclusion3 decks7 decks
-4%synergy
Witch's Cottage
43%inclusion3 decks7 decks
18%synergy
Takenuma, Abandoned Mire
43%inclusion3 decks7 decks
27%synergy
Reliquary Tower
43%inclusion3 decks7 decks
13%synergy
Phyrexian Tower
29%inclusion2 decks7 decks
3%synergy
Mortuary Mire
29%inclusion2 decks7 decks
15%synergy
Castle Locthwain
29%inclusion2 decks7 decks
12%synergy
Temple of the False God
29%inclusion2 decks7 decks
21%synergy
Shizo, Death's Storehouse
14%inclusion1 decks7 decks
4%synergy
Vault of Whispers
14%inclusion1 decks7 decks
9%synergy
Ghost Quarter
14%inclusion1 decks7 decks
12%synergy
Buried Ruin
14%inclusion1 decks7 decks
9%synergy
Maze of Ith
14%inclusion1 decks7 decks
11%synergy
Crypt of Agadeem
14%inclusion1 decks7 decks
3%synergy
War Room
14%inclusion1 decks7 decks
-2%synergy
Geier Reach Sanitarium
14%inclusion1 decks7 decks
3%synergy
Command Beacon
14%inclusion1 decks7 decks
6%synergy
Deserted Temple
14%inclusion1 decks7 decks
10%synergy
Thespian's Stage
14%inclusion1 decks7 decks
9%synergy
Lake of the Dead
14%inclusion1 decks7 decks
9%synergy
Dakmor Salvage
14%inclusion1 decks7 decks
13%synergy
Rogue's Passage
14%inclusion1 decks7 decks
-5%synergy
Mana Artifacts
Sol Ring
100%inclusion7 decks7 decks
14%synergy
Nyx Lotus
71%inclusion5 decks7 decks
65%synergy
Thran Dynamo
57%inclusion4 decks7 decks
51%synergy
Arcane Signet
43%inclusion3 decks7 decks
-19%synergy
Worn Powerstone
43%inclusion3 decks7 decks
39%synergy
Everflowing Chalice
29%inclusion2 decks7 decks
23%synergy
Charcoal Diamond
29%inclusion2 decks7 decks
6%synergy
Vessel of Endless Rest
29%inclusion2 decks7 decks
28%synergy
Thought Vessel
29%inclusion2 decks7 decks
3%synergy
Gilded Lotus
29%inclusion2 decks7 decks
23%synergy
Mind Stone
29%inclusion2 decks7 decks
0%synergy
Sceptre of Eternal Glory
29%inclusion2 decks7 decks
20%synergy
Extraplanar Lens
29%inclusion2 decks7 decks
24%synergy
Caged Sun
14%inclusion1 decks7 decks
3%synergy
Hedron Archive
14%inclusion1 decks7 decks
11%synergy
Fellwar Stone
14%inclusion1 decks7 decks
0%synergy
The Celestus
14%inclusion1 decks7 decks
14%synergy
Skyclave Relic
14%inclusion1 decks7 decks
14%synergy
Lands
Swamp
71%inclusion5 decks7 decks
-24%synergy
Myriad Landscape
57%inclusion4 decks7 decks
32%synergy
Malakir Rebirth
57%inclusion4 decks7 decks
34%synergy
Snow-Covered Swamp
43%inclusion3 decks7 decks
36%synergy
Fell the Profane
14%inclusion1 decks7 decks
-5%synergy
Urza's Cave
14%inclusion1 decks7 decks
6%synergy
Demolition Field
14%inclusion1 decks7 decks
9%synergy
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