Arvinox, the Mind Flail (Commander) - Theft

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,318
51decks
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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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Realm of Koh
9.1%inclusion1 decks11 decks
6%synergy
High Synergy Cards
Gonti, Lord of Luxury
82%inclusion42 decks51 decks
79%synergy
Brainstealer Dragon
76%inclusion39 decks51 decks
74%synergy
Elder Brain
69%inclusion35 decks51 decks
66%synergy
Cunning Rhetoric
67%inclusion34 decks51 decks
64%synergy
Intellect Devourer
63%inclusion32 decks51 decks
62%synergy
Thieving Amalgam
59%inclusion30 decks51 decks
57%synergy
Outrageous Robbery
59%inclusion30 decks51 decks
57%synergy
Heartless Conscription
51%inclusion25 decks49 decks
50%synergy
Geth, Lord of the Vault
51%inclusion26 decks51 decks
49%synergy
Gisa, Glorious Resurrector
53%inclusion27 decks51 decks
48%synergy
Top Cards
Dark Ritual
78%inclusion40 decks51 decks
12%synergy
Crypt Ghast
73%inclusion37 decks51 decks
24%synergy
Jet Medallion
69%inclusion35 decks51 decks
8%synergy
Dauthi Voidwalker
63%inclusion32 decks51 decks
47%synergy
Feed the Swarm
59%inclusion30 decks51 decks
8%synergy
Gray Merchant of Asphodel
55%inclusion28 decks51 decks
3%synergy
Nirkana Revenant
51%inclusion26 decks51 decks
39%synergy
The Darkness Crystal
50%inclusion13 decks26 decks
30%synergy
Sepulchral Primordial
49%inclusion25 decks51 decks
46%synergy
Defile
49%inclusion25 decks51 decks
11%synergy
Game Changers
Opposition Agent
39%inclusion20 decks51 decks
29%synergy
Bolas's Citadel
31%inclusion16 decks51 decks
2%synergy
Tergrid, God of Fright
25%inclusion13 decks51 decks
17%synergy
Demonic Tutor
22%inclusion11 decks51 decks
-6%synergy
Vampiric Tutor
16%inclusion8 decks51 decks
-6%synergy
Necropotence
14%inclusion7 decks51 decks
-2%synergy
Mana Vault
12%inclusion6 decks51 decks
5%synergy
Ancient Tomb
10%inclusion5 decks51 decks
-2%synergy
Grim Monolith
7.8%inclusion4 decks51 decks
5%synergy
Chrome Mox
7.8%inclusion4 decks51 decks
2%synergy
Creatures
Solemn Simulacrum
45%inclusion23 decks51 decks
22%synergy
Crabomination
45%inclusion22 decks49 decks
44%synergy
Thieving Varmint
43%inclusion21 decks49 decks
40%synergy
Gonti, Night Minister
43%inclusion17 decks40 decks
40%synergy
Magus of the Coffers
41%inclusion21 decks51 decks
34%synergy
Gix, Yawgmoth Praetor
39%inclusion20 decks51 decks
34%synergy
Author of Shadows
37%inclusion19 decks51 decks
37%synergy
Valgavoth, Terror Eater
37%inclusion17 decks46 decks
32%synergy
Black Cat, Cunning Thief
37%inclusion7 decks19 decks
35%synergy
Burnished Hart
35%inclusion18 decks51 decks
27%synergy
Bismuth Mindrender
33%inclusion16 decks48 decks
33%synergy
Dread Presence
33%inclusion17 decks51 decks
18%synergy
K'rrik, Son of Yawgmoth
31%inclusion16 decks51 decks
13%synergy
Nashi, Moon Sage's Scion
31%inclusion16 decks51 decks
27%synergy
Junktroller
29%inclusion15 decks51 decks
29%synergy
Sheoldred, Whispering One
29%inclusion15 decks51 decks
17%synergy
Tinybones, the Pickpocket
28%inclusion14 decks50 decks
23%synergy
Rakshasa Debaser
27%inclusion14 decks51 decks
27%synergy
Reito Sentinel
25%inclusion13 decks51 decks
25%synergy
Plaguecrafter
24%inclusion12 decks51 decks
4%synergy
Kheru Mind-Eater
24%inclusion12 decks51 decks
23%synergy
Herald of Leshrac
24%inclusion12 decks51 decks
23%synergy
Phyrexian Obliterator
22%inclusion11 decks51 decks
10%synergy
Hoarding Broodlord
20%inclusion10 decks51 decks
15%synergy
Lord of the Void
20%inclusion10 decks51 decks
18%synergy
Sheoldred
20%inclusion10 decks51 decks
13%synergy
Leaden Myr
20%inclusion10 decks51 decks
13%synergy
Defiler of Flesh
18%inclusion9 decks51 decks
13%synergy
Chainer, Dementia Master
18%inclusion9 decks51 decks
12%synergy
Draugr Necromancer
18%inclusion9 decks51 decks
17%synergy
Tinybones, Bauble Burglar
16%inclusion7 decks43 decks
13%synergy
Oblivion Sower
16%inclusion8 decks51 decks
15%synergy
Ancient Cellarspawn
15%inclusion7 decks46 decks
13%synergy
Accursed Marauder
15%inclusion7 decks48 decks
-6%synergy
Chrome Companion
13%inclusion3 decks23 decks
13%synergy
Shelob, Dread Weaver
12%inclusion6 decks51 decks
11%synergy
Rev, Tithe Extractor
12%inclusion5 decks43 decks
10%synergy
Morbid Opportunist
10%inclusion5 decks51 decks
-13%synergy
Nighthowler
10%inclusion5 decks51 decks
9%synergy
Hoverstone Pilgrim
10%inclusion5 decks51 decks
10%synergy
Lorcan, Warlock Collector
10%inclusion5 decks51 decks
9%synergy
Ravenous Chupacabra
10%inclusion5 decks51 decks
5%synergy
Noxious Gearhulk
10%inclusion5 decks51 decks
3%synergy
Braids, Arisen Nightmare
10%inclusion5 decks51 decks
-9%synergy
Erebos, God of the Dead
7.8%inclusion4 decks51 decks
3%synergy
Junji, the Midnight Sky
7.8%inclusion4 decks51 decks
3%synergy
It That Betrays
7.8%inclusion4 decks51 decks
7%synergy
Rankle, Master of Pranks
7.8%inclusion4 decks51 decks
-5%synergy
Ardyn, the Usurper
7.7%inclusion2 decks26 decks
5%synergy
Syr Konrad, the Grim
5.9%inclusion3 decks51 decks
-15%synergy
Instants
Withering Torment
46%inclusion21 decks46 decks
14%synergy
Infernal Grasp
41%inclusion21 decks51 decks
16%synergy
Soul Shatter
35%inclusion18 decks51 decks
23%synergy
Stinging Study
29%inclusion15 decks51 decks
27%synergy
Consuming Corruption
29%inclusion14 decks48 decks
13%synergy
Grim Return
27%inclusion14 decks51 decks
26%synergy
Darkness
25%inclusion13 decks51 decks
16%synergy
Imp's Mischief
24%inclusion12 decks51 decks
0%synergy
Deadly Rollick
22%inclusion11 decks51 decks
-2%synergy
Sudden Spoiling
22%inclusion11 decks51 decks
12%synergy
Force of Despair
20%inclusion10 decks51 decks
12%synergy
Go for the Throat
20%inclusion10 decks51 decks
-4%synergy
Malakir Rebirth
20%inclusion10 decks51 decks
-3%synergy
Nurgle's Conscription
18%inclusion9 decks51 decks
17%synergy
Fated Return
14%inclusion7 decks51 decks
13%synergy
Doom Blade
14%inclusion7 decks51 decks
6%synergy
Cabal Ritual
14%inclusion7 decks51 decks
-4%synergy
Baleful Mastery
14%inclusion7 decks51 decks
4%synergy
Fell the Profane
12%inclusion6 decks49 decks
-7%synergy
Hagra Mauling
12%inclusion6 decks51 decks
7%synergy
Snuff Out
12%inclusion6 decks51 decks
-1%synergy
Withering Boon
12%inclusion6 decks51 decks
7%synergy
Hero's Downfall
10%inclusion5 decks51 decks
3%synergy
Deadly Dispute
10%inclusion5 decks51 decks
-14%synergy
Black Sun's Twilight
10%inclusion5 decks51 decks
6%synergy
Flare of Malice
8.2%inclusion4 decks49 decks
-5%synergy
Thrilling Encore
7.8%inclusion4 decks51 decks
6%synergy
Murder
7.8%inclusion4 decks51 decks
-2%synergy
Tragic Slip
7.8%inclusion4 decks51 decks
-13%synergy
Breathe Your Last
6.3%inclusion3 decks48 decks
4%synergy
Sacrifice
5.9%inclusion3 decks51 decks
1%synergy
Sheoldred's Edict
5.9%inclusion3 decks51 decks
-9%synergy
Village Rites
5.9%inclusion3 decks51 decks
-19%synergy
Not Dead After All
5.9%inclusion3 decks51 decks
-5%synergy
Not of This World
5.9%inclusion3 decks51 decks
6%synergy
Slaughter Pact
5.9%inclusion3 decks51 decks
3%synergy
Tendrils of Corruption
5.9%inclusion3 decks51 decks
2%synergy
Hostile Negotiations
5.9%inclusion3 decks51 decks
5%synergy
Curtains' Call
5.9%inclusion3 decks51 decks
4%synergy
The Spot's Portal
5.3%inclusion1 decks19 decks
5%synergy
Sorceries
Dredge the Mire
45%inclusion23 decks51 decks
45%synergy
Reanimate
45%inclusion23 decks51 decks
6%synergy
Rise of the Dark Realms
45%inclusion23 decks51 decks
33%synergy
Sign in Blood
43%inclusion22 decks51 decks
7%synergy
Breach the Multiverse
41%inclusion21 decks51 decks
35%synergy
Praetor's Grasp
37%inclusion19 decks51 decks
33%synergy
Visions of Dread
35%inclusion18 decks51 decks
35%synergy
Night's Whisper
33%inclusion17 decks51 decks
9%synergy
Toxic Deluge
33%inclusion17 decks51 decks
-4%synergy
Cruelclaw's Heist
33%inclusion15 decks46 decks
30%synergy
Bubbling Muck
31%inclusion16 decks51 decks
16%synergy
Torment of Hailfire
27%inclusion14 decks51 decks
12%synergy
Syphon Mind
27%inclusion14 decks51 decks
15%synergy
Damnation
27%inclusion14 decks51 decks
7%synergy
Read the Bones
25%inclusion13 decks51 decks
8%synergy
Mutilate
25%inclusion13 decks51 decks
7%synergy
Exsanguinate
25%inclusion13 decks51 decks
1%synergy
Shadow of the Enemy
24%inclusion12 decks51 decks
23%synergy
Necromantic Selection
24%inclusion12 decks51 decks
22%synergy
Decree of Pain
20%inclusion10 decks51 decks
14%synergy
Come Back Wrong
19%inclusion9 decks48 decks
16%synergy
Blasphemous Edict
19%inclusion8 decks43 decks
1%synergy
Beacon of Unrest
18%inclusion9 decks51 decks
13%synergy
Worst Fears
18%inclusion9 decks51 decks
17%synergy
Predators' Hour
14%inclusion7 decks51 decks
12%synergy
Ghouls' Night Out
14%inclusion7 decks51 decks
13%synergy
Afterlife from the Loam
10%inclusion3 decks30 decks
9%synergy
Xander's Pact
10%inclusion5 decks51 decks
10%synergy
Yawgmoth's Vile Offering
10%inclusion5 decks51 decks
9%synergy
Blood Money
10%inclusion5 decks51 decks
7%synergy
Diresight
8.5%inclusion4 decks47 decks
5%synergy
Insatiable Avarice
8.2%inclusion4 decks49 decks
-4%synergy
Scheming Symmetry
7.8%inclusion4 decks51 decks
4%synergy
Ancient Craving
7.8%inclusion4 decks51 decks
6%synergy
In Garruk's Wake
7.8%inclusion4 decks51 decks
4%synergy
Deadly Tempest
7.8%inclusion4 decks51 decks
6%synergy
Black Sun's Zenith
5.9%inclusion3 decks51 decks
0%synergy
Psychotic Episode
5.9%inclusion3 decks51 decks
6%synergy
Life's Finale
5.9%inclusion3 decks51 decks
5%synergy
Command the Dreadhorde
5.9%inclusion3 decks51 decks
4%synergy
Victimize
5.9%inclusion3 decks51 decks
-20%synergy
Profane Tutor
5.9%inclusion3 decks51 decks
1%synergy
Agadeem's Awakening
5.9%inclusion3 decks51 decks
-1%synergy
Extinguish All Hope
5.9%inclusion3 decks51 decks
6%synergy
Grim Tutor
5.9%inclusion3 decks51 decks
-6%synergy
Invoke Despair
5.9%inclusion3 decks51 decks
3%synergy
Utility Artifacts
Staff of Eden, Vault's Key
40%inclusion19 decks48 decks
39%synergy
Bontu's Monument
39%inclusion20 decks51 decks
11%synergy
Wayfarer's Bauble
29%inclusion15 decks51 decks
13%synergy
Realmbreaker, the Invasion Tree
27%inclusion14 decks51 decks
26%synergy
Lightning Greaves
27%inclusion14 decks51 decks
-6%synergy
Chaos Wand
25%inclusion13 decks51 decks
25%synergy
Expedition Map
22%inclusion11 decks51 decks
9%synergy
Reito Lantern
22%inclusion11 decks51 decks
21%synergy
Portal to Phyrexia
20%inclusion10 decks51 decks
18%synergy
Swiftfoot Boots
18%inclusion9 decks51 decks
-14%synergy
Strionic Resonator
14%inclusion7 decks51 decks
12%synergy
Whip of Erebos
12%inclusion6 decks51 decks
1%synergy
Dream-Thief's Bandana
8.2%inclusion4 decks49 decks
7%synergy
Aetherflux Reservoir
7.8%inclusion4 decks51 decks
-2%synergy
Helm of the Host
7.8%inclusion4 decks51 decks
7%synergy
Doubling Cube
7.8%inclusion4 decks51 decks
7%synergy
Mindslaver
7.8%inclusion4 decks51 decks
8%synergy
Mindcrank
7.8%inclusion4 decks51 decks
2%synergy
World Map
7.7%inclusion2 decks26 decks
6%synergy
Ghost Vacuum
6.5%inclusion3 decks46 decks
6%synergy
Winter Moon
6.1%inclusion3 decks49 decks
4%synergy
Sensei's Divining Top
5.9%inclusion3 decks51 decks
-3%synergy
Elixir of Immortality
5.9%inclusion3 decks51 decks
4%synergy
The One Ring
5.9%inclusion3 decks51 decks
-4%synergy
Mimic Vat
5.9%inclusion3 decks51 decks
4%synergy
The Cauldron of Eternity
5.9%inclusion3 decks51 decks
5%synergy
Helm of Awakening
5.9%inclusion3 decks51 decks
4%synergy
Enchantments
Court of Locthwain
47%inclusion24 decks51 decks
45%synergy
Dead Man's Chest
43%inclusion22 decks51 decks
43%synergy
Grave Betrayal
35%inclusion18 decks51 decks
33%synergy
Phyrexian Arena
35%inclusion18 decks51 decks
-5%synergy
Animate Dead
33%inclusion17 decks51 decks
16%synergy
The Eldest Reborn
29%inclusion15 decks51 decks
25%synergy
Black Market
27%inclusion14 decks51 decks
6%synergy
Virtue of Persistence
25%inclusion13 decks51 decks
20%synergy
Minion's Return
22%inclusion11 decks51 decks
21%synergy
Hedonist's Trove
18%inclusion9 decks51 decks
17%synergy
Black Market Connections
18%inclusion9 decks51 decks
-6%synergy
Meathook Massacre II
17%inclusion8 decks46 decks
11%synergy
No Mercy
16%inclusion8 decks51 decks
8%synergy
Sothera, the Supervoid
13%inclusion3 decks24 decks
9%synergy
Kaya's Ghostform
12%inclusion6 decks51 decks
2%synergy
The Cruelty of Gix
10%inclusion5 decks51 decks
8%synergy
Heartless Summoning
10%inclusion5 decks51 decks
5%synergy
Protection Racket
7.8%inclusion4 decks51 decks
7%synergy
Necromancy
7.8%inclusion4 decks51 decks
2%synergy
Bloodchief Ascension
7.8%inclusion4 decks51 decks
-2%synergy
The Meathook Massacre
5.9%inclusion3 decks51 decks
-12%synergy
Dance of the Dead
5.9%inclusion3 decks51 decks
2%synergy
Revel in Riches
5.9%inclusion3 decks51 decks
1%synergy
Planeswalkers
Liliana of the Dark Realms
29%inclusion15 decks51 decks
15%synergy
Tevesh Szat, Doom of Fools
7.8%inclusion4 decks51 decks
5%synergy
Utility Lands
Cabal Coffers
71%inclusion36 decks51 decks
15%synergy
Cabal Stronghold
63%inclusion32 decks51 decks
27%synergy
Bojuka Bog
45%inclusion23 decks51 decks
-2%synergy
Nykthos, Shrine to Nyx
45%inclusion23 decks51 decks
15%synergy
Witch's Cottage
41%inclusion21 decks51 decks
17%synergy
Urborg, Tomb of Yawgmoth
35%inclusion18 decks51 decks
-2%synergy
Castle Locthwain
29%inclusion15 decks51 decks
12%synergy
Temple of the False God
27%inclusion14 decks51 decks
19%synergy
Mortuary Mire
22%inclusion11 decks51 decks
8%synergy
Thespian's Stage
20%inclusion10 decks51 decks
14%synergy
War Room
18%inclusion9 decks51 decks
1%synergy
Takenuma, Abandoned Mire
18%inclusion9 decks51 decks
2%synergy
Reliquary Tower
18%inclusion9 decks51 decks
-14%synergy
Rogue's Passage
18%inclusion9 decks51 decks
-1%synergy
Crypt of Agadeem
14%inclusion7 decks51 decks
3%synergy
Vesuva
12%inclusion6 decks51 decks
9%synergy
Deserted Temple
12%inclusion6 decks51 decks
8%synergy
Phyrexian Tower
10%inclusion5 decks51 decks
-14%synergy
Maze of Ith
10%inclusion5 decks51 decks
6%synergy
Command Beacon
10%inclusion5 decks51 decks
2%synergy
Midgar, City of Mako
8.3%inclusion2 decks24 decks
-4%synergy
Shizo, Death's Storehouse
7.8%inclusion4 decks51 decks
-2%synergy
Barren Moor
7.8%inclusion4 decks51 decks
-3%synergy
Urza's Saga
7.8%inclusion4 decks51 decks
0%synergy
Emergence Zone
7.8%inclusion4 decks51 decks
4%synergy
Geier Reach Sanitarium
7.8%inclusion4 decks51 decks
-4%synergy
Terrain Generator
7.8%inclusion4 decks51 decks
6%synergy
Arcane Lighthouse
5.9%inclusion3 decks51 decks
4%synergy
Leechridden Swamp
5.9%inclusion3 decks51 decks
3%synergy
Havengul Laboratory
5.9%inclusion3 decks51 decks
6%synergy
Everglades
5.9%inclusion3 decks51 decks
4%synergy
Mana Artifacts
Sol Ring
92%inclusion47 decks51 decks
6%synergy
Arcane Signet
65%inclusion33 decks51 decks
2%synergy
Thran Dynamo
49%inclusion25 decks51 decks
43%synergy
Mind Stone
45%inclusion23 decks51 decks
14%synergy
Charcoal Diamond
37%inclusion19 decks51 decks
14%synergy
Thought Vessel
35%inclusion18 decks51 decks
8%synergy
Caged Sun
33%inclusion17 decks51 decks
21%synergy
Worn Powerstone
29%inclusion15 decks51 decks
25%synergy
Nyx Lotus
24%inclusion12 decks51 decks
17%synergy
Gilded Lotus
22%inclusion11 decks51 decks
16%synergy
Throne of Eldraine
20%inclusion10 decks51 decks
9%synergy
Fellwar Stone
18%inclusion9 decks51 decks
3%synergy
Sceptre of Eternal Glory
18%inclusion9 decks51 decks
8%synergy
Commander's Sphere
16%inclusion8 decks51 decks
6%synergy
Gauntlet of Power
16%inclusion8 decks51 decks
12%synergy
Extraplanar Lens
16%inclusion8 decks51 decks
11%synergy
Everflowing Chalice
14%inclusion7 decks51 decks
8%synergy
Vessel of Endless Rest
14%inclusion7 decks51 decks
14%synergy
Hedron Archive
12%inclusion6 decks51 decks
8%synergy
Interdimensional Web Watch
10%inclusion2 decks20 decks
10%synergy
Skyclave Relic
10%inclusion5 decks51 decks
9%synergy
The Soul Stone
9.1%inclusion2 decks22 decks
-4%synergy
Mana Crypt
5.9%inclusion3 decks51 decks
3%synergy
Prismatic Lens
5.9%inclusion3 decks51 decks
4%synergy
Mox Opal
5.9%inclusion3 decks51 decks
2%synergy
Lands
Swamp
84%inclusion43 decks51 decks
-11%synergy
Myriad Landscape
63%inclusion32 decks51 decks
36%synergy
Malakir Rebirth
20%inclusion10 decks51 decks
-3%synergy
Urza's Cave
16%inclusion8 decks49 decks
8%synergy
Demolition Field
16%inclusion8 decks51 decks
10%synergy
Snow-Covered Swamp
16%inclusion8 decks51 decks
9%synergy
Fell the Profane
12%inclusion6 decks49 decks
-7%synergy
Hagra Mauling
12%inclusion6 decks51 decks
7%synergy
Exotic Orchard
10%inclusion5 decks51 decks
9%synergy
Command Tower
7.8%inclusion4 decks51 decks
2%synergy
Prismatic Vista
5.9%inclusion3 decks51 decks
4%synergy
Fabled Passage
5.9%inclusion3 decks51 decks
4%synergy
Agadeem's Awakening
5.9%inclusion3 decks51 decks
-1%synergy
Gemstone Caverns
5.9%inclusion3 decks51 decks
2%synergy
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