Arvinox, the Mind Flail (Commander) - Theft

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,336
52decks
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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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Gonti, Lord of Luxury
85%inclusion44 decks52 decks
81%synergy
Brainstealer Dragon
77%inclusion40 decks52 decks
74%synergy
Elder Brain
69%inclusion36 decks52 decks
67%synergy
Cunning Rhetoric
67%inclusion35 decks52 decks
65%synergy
Intellect Devourer
63%inclusion33 decks52 decks
63%synergy
Thieving Amalgam
62%inclusion32 decks52 decks
60%synergy
Outrageous Robbery
60%inclusion31 decks52 decks
58%synergy
Gisa, Glorious Resurrector
54%inclusion28 decks52 decks
49%synergy
Geth, Lord of the Vault
50%inclusion26 decks52 decks
48%synergy
Dauthi Voidwalker
63%inclusion33 decks52 decks
48%synergy
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Dark Ritual
81%inclusion42 decks52 decks
14%synergy
Crypt Ghast
73%inclusion38 decks52 decks
25%synergy
Jet Medallion
69%inclusion36 decks52 decks
8%synergy
Feed the Swarm
58%inclusion30 decks52 decks
7%synergy
Gray Merchant of Asphodel
56%inclusion29 decks52 decks
4%synergy
The Darkness Crystal
54%inclusion15 decks28 decks
34%synergy
Withering Torment
50%inclusion24 decks48 decks
18%synergy
Defile
50%inclusion26 decks52 decks
13%synergy
Heartless Conscription
49%inclusion25 decks51 decks
48%synergy
Nirkana Revenant
48%inclusion25 decks52 decks
37%synergy
Game Changers
Opposition Agent
38%inclusion20 decks52 decks
29%synergy
Bolas's Citadel
29%inclusion15 decks52 decks
0%synergy
Tergrid, God of Fright
27%inclusion14 decks52 decks
19%synergy
Demonic Tutor
21%inclusion11 decks52 decks
-6%synergy
Vampiric Tutor
15%inclusion8 decks52 decks
-6%synergy
Necropotence
12%inclusion6 decks52 decks
-3%synergy
Ancient Tomb
12%inclusion6 decks52 decks
0%synergy
Mana Vault
12%inclusion6 decks52 decks
5%synergy
Chrome Mox
10%inclusion5 decks52 decks
4%synergy
Grim Monolith
7.7%inclusion4 decks52 decks
5%synergy
Creatures
Sepulchral Primordial
48%inclusion25 decks52 decks
46%synergy
Solemn Simulacrum
46%inclusion24 decks52 decks
23%synergy
Thieving Varmint
45%inclusion23 decks51 decks
42%synergy
Crabomination
43%inclusion22 decks51 decks
42%synergy
Gonti, Night Minister
40%inclusion17 decks42 decks
38%synergy
Magus of the Coffers
38%inclusion20 decks52 decks
31%synergy
Author of Shadows
38%inclusion20 decks52 decks
38%synergy
Gix, Yawgmoth Praetor
37%inclusion19 decks52 decks
31%synergy
Valgavoth, Terror Eater
35%inclusion17 decks48 decks
30%synergy
K'rrik, Son of Yawgmoth
35%inclusion18 decks52 decks
16%synergy
Bismuth Mindrender
34%inclusion17 decks50 decks
33%synergy
Dread Presence
33%inclusion17 decks52 decks
18%synergy
Junktroller
33%inclusion17 decks52 decks
32%synergy
Burnished Hart
33%inclusion17 decks52 decks
25%synergy
Black Cat, Cunning Thief
32%inclusion7 decks22 decks
31%synergy
Sheoldred, Whispering One
31%inclusion16 decks52 decks
19%synergy
Tinybones, the Pickpocket
31%inclusion16 decks52 decks
26%synergy
Nashi, Moon Sage's Scion
31%inclusion16 decks52 decks
27%synergy
Reito Sentinel
29%inclusion15 decks52 decks
29%synergy
Plaguecrafter
25%inclusion13 decks52 decks
5%synergy
Rakshasa Debaser
25%inclusion13 decks52 decks
24%synergy
Kheru Mind-Eater
23%inclusion12 decks52 decks
23%synergy
Phyrexian Obliterator
23%inclusion12 decks52 decks
12%synergy
Defiler of Flesh
21%inclusion11 decks52 decks
17%synergy
Sheoldred
19%inclusion10 decks52 decks
13%synergy
Leaden Myr
19%inclusion10 decks52 decks
13%synergy
Herald of Leshrac
19%inclusion10 decks52 decks
19%synergy
Accursed Marauder
18%inclusion9 decks50 decks
-3%synergy
Tinybones, Bauble Burglar
18%inclusion8 decks45 decks
14%synergy
Lord of the Void
17%inclusion9 decks52 decks
16%synergy
Hoarding Broodlord
17%inclusion9 decks52 decks
13%synergy
Chainer, Dementia Master
15%inclusion8 decks52 decks
10%synergy
Ancient Cellarspawn
15%inclusion7 decks48 decks
12%synergy
Draugr Necromancer
13%inclusion7 decks52 decks
13%synergy
Oblivion Sower
13%inclusion7 decks52 decks
13%synergy
Shelob, Dread Weaver
12%inclusion6 decks52 decks
11%synergy
Morbid Opportunist
10%inclusion5 decks52 decks
-13%synergy
Nighthowler
10%inclusion5 decks52 decks
9%synergy
Hoverstone Pilgrim
10%inclusion5 decks52 decks
10%synergy
Lorcan, Warlock Collector
10%inclusion5 decks52 decks
9%synergy
Ravenous Chupacabra
10%inclusion5 decks52 decks
5%synergy
Noxious Gearhulk
10%inclusion5 decks52 decks
3%synergy
Rev, Tithe Extractor
8.9%inclusion4 decks45 decks
7%synergy
Chrome Companion
8.0%inclusion2 decks25 decks
8%synergy
Junji, the Midnight Sky
7.7%inclusion4 decks52 decks
2%synergy
Geode Golem
7.7%inclusion4 decks52 decks
7%synergy
Syr Konrad, the Grim
7.7%inclusion4 decks52 decks
-13%synergy
Erebos, God of the Dead
7.7%inclusion4 decks52 decks
3%synergy
Rankle, Master of Pranks
7.7%inclusion4 decks52 decks
-5%synergy
Braids, Arisen Nightmare
7.7%inclusion4 decks52 decks
-11%synergy
Instants
Infernal Grasp
42%inclusion22 decks52 decks
17%synergy
Soul Shatter
37%inclusion19 decks52 decks
24%synergy
Stinging Study
31%inclusion16 decks52 decks
28%synergy
Grim Return
31%inclusion16 decks52 decks
30%synergy
Consuming Corruption
28%inclusion14 decks50 decks
12%synergy
Darkness
27%inclusion14 decks52 decks
17%synergy
Imp's Mischief
25%inclusion13 decks52 decks
1%synergy
Sudden Spoiling
25%inclusion13 decks52 decks
16%synergy
Deadly Rollick
21%inclusion11 decks52 decks
-3%synergy
Go for the Throat
21%inclusion11 decks52 decks
-2%synergy
Malakir Rebirth
21%inclusion11 decks52 decks
-2%synergy
Force of Despair
19%inclusion10 decks52 decks
11%synergy
Fated Return
17%inclusion9 decks52 decks
17%synergy
Nurgle's Conscription
17%inclusion9 decks52 decks
17%synergy
Cabal Ritual
15%inclusion8 decks52 decks
-3%synergy
Fell the Profane
14%inclusion7 decks51 decks
-5%synergy
Hagra Mauling
13%inclusion7 decks52 decks
9%synergy
Doom Blade
13%inclusion7 decks52 decks
6%synergy
Withering Boon
13%inclusion7 decks52 decks
9%synergy
Baleful Mastery
13%inclusion7 decks52 decks
4%synergy
Snuff Out
12%inclusion6 decks52 decks
-1%synergy
Deadly Dispute
10%inclusion5 decks52 decks
-15%synergy
Murder
10%inclusion5 decks52 decks
-1%synergy
Tragic Slip
10%inclusion5 decks52 decks
-11%synergy
Thrilling Encore
10%inclusion5 decks52 decks
8%synergy
The Spot's Portal
9.1%inclusion2 decks22 decks
9%synergy
Flare of Malice
7.8%inclusion4 decks51 decks
-5%synergy
Hero's Downfall
7.7%inclusion4 decks52 decks
1%synergy
Black Sun's Twilight
7.7%inclusion4 decks52 decks
4%synergy
Sacrifice
5.8%inclusion3 decks52 decks
1%synergy
Sheoldred's Edict
5.8%inclusion3 decks52 decks
-9%synergy
Not Dead After All
5.8%inclusion3 decks52 decks
-6%synergy
Not of This World
5.8%inclusion3 decks52 decks
6%synergy
Slaughter Pact
5.8%inclusion3 decks52 decks
3%synergy
Tendrils of Corruption
5.8%inclusion3 decks52 decks
2%synergy
Hostile Negotiations
5.8%inclusion3 decks52 decks
5%synergy
Curtains' Call
5.8%inclusion3 decks52 decks
4%synergy
Sorceries
Reanimate
48%inclusion25 decks52 decks
9%synergy
Sign in Blood
48%inclusion25 decks52 decks
12%synergy
Rise of the Dark Realms
46%inclusion24 decks52 decks
33%synergy
Breach the Multiverse
44%inclusion23 decks52 decks
38%synergy
Dredge the Mire
42%inclusion22 decks52 decks
42%synergy
Praetor's Grasp
37%inclusion19 decks52 decks
33%synergy
Toxic Deluge
35%inclusion18 decks52 decks
-2%synergy
Cruelclaw's Heist
33%inclusion16 decks48 decks
31%synergy
Bubbling Muck
31%inclusion16 decks52 decks
15%synergy
Night's Whisper
31%inclusion16 decks52 decks
6%synergy
Visions of Dread
31%inclusion16 decks52 decks
31%synergy
Damnation
29%inclusion15 decks52 decks
8%synergy
Torment of Hailfire
27%inclusion14 decks52 decks
11%synergy
Exsanguinate
27%inclusion14 decks52 decks
2%synergy
Shadow of the Enemy
25%inclusion13 decks52 decks
24%synergy
Read the Bones
25%inclusion13 decks52 decks
7%synergy
Mutilate
25%inclusion13 decks52 decks
7%synergy
Syphon Mind
25%inclusion13 decks52 decks
12%synergy
Necromantic Selection
21%inclusion11 decks52 decks
19%synergy
Blasphemous Edict
20%inclusion9 decks45 decks
3%synergy
Decree of Pain
19%inclusion10 decks52 decks
14%synergy
Come Back Wrong
18%inclusion9 decks50 decks
15%synergy
Beacon of Unrest
15%inclusion8 decks52 decks
11%synergy
Worst Fears
15%inclusion8 decks52 decks
15%synergy
Ghouls' Night Out
13%inclusion7 decks52 decks
13%synergy
Predators' Hour
13%inclusion7 decks52 decks
12%synergy
Diresight
12%inclusion6 decks49 decks
9%synergy
Xander's Pact
12%inclusion6 decks52 decks
11%synergy
Insatiable Avarice
10%inclusion5 decks51 decks
-2%synergy
Blood Money
10%inclusion5 decks52 decks
6%synergy
Afterlife from the Loam
9.4%inclusion3 decks32 decks
9%synergy
Agadeem's Awakening
7.7%inclusion4 decks52 decks
0%synergy
Yawgmoth's Vile Offering
7.7%inclusion4 decks52 decks
7%synergy
In Garruk's Wake
7.7%inclusion4 decks52 decks
4%synergy
Deadly Tempest
7.7%inclusion4 decks52 decks
5%synergy
The Final Days
7.7%inclusion2 decks26 decks
7%synergy
Ancient Craving
7.7%inclusion4 decks52 decks
5%synergy
Psychotic Episode
5.8%inclusion3 decks52 decks
6%synergy
Scheming Symmetry
5.8%inclusion3 decks52 decks
1%synergy
Black Sun's Zenith
5.8%inclusion3 decks52 decks
0%synergy
Command the Dreadhorde
5.8%inclusion3 decks52 decks
4%synergy
Victimize
5.8%inclusion3 decks52 decks
-21%synergy
Profane Tutor
5.8%inclusion3 decks52 decks
1%synergy
Extinguish All Hope
5.8%inclusion3 decks52 decks
5%synergy
Invoke Despair
5.8%inclusion3 decks52 decks
3%synergy
Utility Artifacts
Bontu's Monument
37%inclusion19 decks52 decks
9%synergy
Staff of Eden, Vault's Key
34%inclusion17 decks50 decks
33%synergy
Wayfarer's Bauble
31%inclusion16 decks52 decks
15%synergy
Realmbreaker, the Invasion Tree
31%inclusion16 decks52 decks
30%synergy
Lightning Greaves
25%inclusion13 decks52 decks
-9%synergy
Chaos Wand
23%inclusion12 decks52 decks
23%synergy
Expedition Map
21%inclusion11 decks52 decks
9%synergy
Reito Lantern
21%inclusion11 decks52 decks
21%synergy
Portal to Phyrexia
19%inclusion10 decks52 decks
18%synergy
Swiftfoot Boots
15%inclusion8 decks52 decks
-16%synergy
Strionic Resonator
13%inclusion7 decks52 decks
12%synergy
Whip of Erebos
12%inclusion6 decks52 decks
1%synergy
Dream-Thief's Bandana
10%inclusion5 decks51 decks
9%synergy
Ghost Vacuum
8.3%inclusion4 decks48 decks
7%synergy
Aetherflux Reservoir
7.7%inclusion4 decks52 decks
-2%synergy
Doubling Cube
7.7%inclusion4 decks52 decks
7%synergy
Mindcrank
7.7%inclusion4 decks52 decks
2%synergy
Sensei's Divining Top
7.7%inclusion4 decks52 decks
-1%synergy
Winter Moon
5.9%inclusion3 decks51 decks
4%synergy
The One Ring
5.8%inclusion3 decks52 decks
-4%synergy
Nautiloid Ship
5.8%inclusion3 decks52 decks
6%synergy
Mimic Vat
5.8%inclusion3 decks52 decks
4%synergy
Wishclaw Talisman
5.8%inclusion3 decks52 decks
-1%synergy
Helm of the Host
5.8%inclusion3 decks52 decks
5%synergy
Mindslaver
5.8%inclusion3 decks52 decks
6%synergy
The Cauldron of Eternity
5.8%inclusion3 decks52 decks
5%synergy
Helm of Awakening
5.8%inclusion3 decks52 decks
4%synergy
Enchantments
Dead Man's Chest
44%inclusion23 decks52 decks
44%synergy
Court of Locthwain
40%inclusion21 decks52 decks
38%synergy
Grave Betrayal
33%inclusion17 decks52 decks
30%synergy
Animate Dead
33%inclusion17 decks52 decks
15%synergy
Phyrexian Arena
33%inclusion17 decks52 decks
-7%synergy
The Eldest Reborn
31%inclusion16 decks52 decks
27%synergy
Black Market
25%inclusion13 decks52 decks
4%synergy
Virtue of Persistence
23%inclusion12 decks52 decks
18%synergy
Minion's Return
19%inclusion10 decks52 decks
18%synergy
Black Market Connections
17%inclusion9 decks52 decks
-6%synergy
Meathook Massacre II
17%inclusion8 decks48 decks
10%synergy
Hedonist's Trove
15%inclusion8 decks52 decks
15%synergy
No Mercy
15%inclusion8 decks52 decks
8%synergy
Kaya's Ghostform
12%inclusion6 decks52 decks
1%synergy
Sothera, the Supervoid
12%inclusion3 decks26 decks
8%synergy
Heartless Summoning
12%inclusion6 decks52 decks
7%synergy
The Cruelty of Gix
10%inclusion5 decks52 decks
8%synergy
Necromancy
10%inclusion5 decks52 decks
4%synergy
Dance of the Dead
7.7%inclusion4 decks52 decks
4%synergy
Bloodchief Ascension
7.7%inclusion4 decks52 decks
-2%synergy
Quest for the Necropolis
6.0%inclusion3 decks50 decks
5%synergy
The Meathook Massacre
5.8%inclusion3 decks52 decks
-12%synergy
Protection Racket
5.8%inclusion3 decks52 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
27%inclusion14 decks52 decks
13%synergy
Tevesh Szat, Doom of Fools
7.7%inclusion4 decks52 decks
4%synergy
Utility Lands
Cabal Coffers
69%inclusion36 decks52 decks
14%synergy
Cabal Stronghold
65%inclusion34 decks52 decks
30%synergy
Nykthos, Shrine to Nyx
48%inclusion25 decks52 decks
18%synergy
Bojuka Bog
44%inclusion23 decks52 decks
-3%synergy
Witch's Cottage
40%inclusion21 decks52 decks
16%synergy
Urborg, Tomb of Yawgmoth
37%inclusion19 decks52 decks
-1%synergy
Castle Locthwain
27%inclusion14 decks52 decks
10%synergy
Temple of the False God
25%inclusion13 decks52 decks
17%synergy
Mortuary Mire
23%inclusion12 decks52 decks
10%synergy
War Room
19%inclusion10 decks52 decks
3%synergy
Takenuma, Abandoned Mire
19%inclusion10 decks52 decks
3%synergy
Rogue's Passage
19%inclusion10 decks52 decks
0%synergy
Thespian's Stage
17%inclusion9 decks52 decks
12%synergy
Reliquary Tower
15%inclusion8 decks52 decks
-16%synergy
Crypt of Agadeem
13%inclusion7 decks52 decks
3%synergy
Vesuva
12%inclusion6 decks52 decks
9%synergy
Deserted Temple
12%inclusion6 decks52 decks
7%synergy
Phyrexian Tower
10%inclusion5 decks52 decks
-15%synergy
Maze of Ith
10%inclusion5 decks52 decks
6%synergy
Command Beacon
10%inclusion5 decks52 decks
1%synergy
Shizo, Death's Storehouse
7.7%inclusion4 decks52 decks
-2%synergy
Barren Moor
7.7%inclusion4 decks52 decks
-2%synergy
Urza's Saga
7.7%inclusion4 decks52 decks
0%synergy
Geier Reach Sanitarium
7.7%inclusion4 decks52 decks
-4%synergy
Midgar, City of Mako
7.7%inclusion2 decks26 decks
-4%synergy
Emergence Zone
7.7%inclusion4 decks52 decks
4%synergy
Realm of Koh
6.3%inclusion1 decks16 decks
3%synergy
Arcane Lighthouse
5.8%inclusion3 decks52 decks
4%synergy
Leechridden Swamp
5.8%inclusion3 decks52 decks
3%synergy
Havengul Laboratory
5.8%inclusion3 decks52 decks
5%synergy
Terrain Generator
5.8%inclusion3 decks52 decks
4%synergy
Mana Artifacts
Sol Ring
92%inclusion48 decks52 decks
6%synergy
Arcane Signet
63%inclusion33 decks52 decks
1%synergy
Thran Dynamo
54%inclusion28 decks52 decks
48%synergy
Mind Stone
42%inclusion22 decks52 decks
12%synergy
Charcoal Diamond
37%inclusion19 decks52 decks
14%synergy
Thought Vessel
35%inclusion18 decks52 decks
8%synergy
Caged Sun
31%inclusion16 decks52 decks
19%synergy
Worn Powerstone
29%inclusion15 decks52 decks
25%synergy
Nyx Lotus
23%inclusion12 decks52 decks
16%synergy
Throne of Eldraine
21%inclusion11 decks52 decks
11%synergy
Gilded Lotus
19%inclusion10 decks52 decks
14%synergy
Fellwar Stone
17%inclusion9 decks52 decks
3%synergy
Sceptre of Eternal Glory
17%inclusion9 decks52 decks
8%synergy
The Soul Stone
17%inclusion4 decks24 decks
3%synergy
Everflowing Chalice
15%inclusion8 decks52 decks
10%synergy
Extraplanar Lens
15%inclusion8 decks52 decks
10%synergy
Commander's Sphere
13%inclusion7 decks52 decks
4%synergy
Gauntlet of Power
13%inclusion7 decks52 decks
10%synergy
Vessel of Endless Rest
12%inclusion6 decks52 decks
11%synergy
Hedron Archive
12%inclusion6 decks52 decks
8%synergy
Mana Crypt
5.8%inclusion3 decks52 decks
4%synergy
Prismatic Lens
5.8%inclusion3 decks52 decks
4%synergy
Mox Opal
5.8%inclusion3 decks52 decks
2%synergy
Skyclave Relic
5.8%inclusion3 decks52 decks
5%synergy
Lands
Swamp
87%inclusion45 decks52 decks
-8%synergy
Myriad Landscape
63%inclusion33 decks52 decks
37%synergy
Malakir Rebirth
21%inclusion11 decks52 decks
-2%synergy
Fell the Profane
14%inclusion7 decks51 decks
-5%synergy
Urza's Cave
14%inclusion7 decks51 decks
5%synergy
Hagra Mauling
13%inclusion7 decks52 decks
9%synergy
Demolition Field
13%inclusion7 decks52 decks
8%synergy
Snow-Covered Swamp
13%inclusion7 decks52 decks
7%synergy
Exotic Orchard
10%inclusion5 decks52 decks
8%synergy
Command Tower
10%inclusion5 decks52 decks
4%synergy
Agadeem's Awakening
7.7%inclusion4 decks52 decks
0%synergy
Fabled Passage
5.8%inclusion3 decks52 decks
4%synergy
Terramorphic Expanse
5.8%inclusion3 decks52 decks
3%synergy
Prismatic Vista
5.8%inclusion3 decks52 decks
4%synergy
Gemstone Caverns
5.8%inclusion3 decks52 decks
1%synergy
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