Arvinox, the Mind Flail (Commander) - Upgraded Theft

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,375
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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Pain 101
50%inclusion1 decks2 decks
49%synergy
High Synergy Cards
Thieving Amalgam
100%inclusion7 decks7 decks
99%synergy
Brainstealer Dragon
100%inclusion7 decks7 decks
97%synergy
Geth, Lord of the Vault
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
Heartless Conscription
71%inclusion5 decks7 decks
70%synergy
Court of Locthwain
71%inclusion5 decks7 decks
70%synergy
Gonti, Night Minister
71%inclusion5 decks7 decks
69%synergy
Top Cards
Crypt Ghast
86%inclusion6 decks7 decks
38%synergy
Animate Dead
86%inclusion6 decks7 decks
68%synergy
Gray Merchant of Asphodel
71%inclusion5 decks7 decks
20%synergy
Jet Medallion
71%inclusion5 decks7 decks
10%synergy
Dark Ritual
57%inclusion4 decks7 decks
-10%synergy
Feed the Swarm
57%inclusion4 decks7 decks
7%synergy
Outrageous Robbery
57%inclusion4 decks7 decks
55%synergy
Read the Bones
57%inclusion4 decks7 decks
40%synergy
Night's Whisper
57%inclusion4 decks7 decks
33%synergy
Infernal Grasp
57%inclusion4 decks7 decks
32%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
Demonic Tutor
14%inclusion1 decks7 decks
-13%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
100%inclusion3 decks3 decks
99%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
Crabomination
43%inclusion3 decks7 decks
42%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
Gix, Yawgmoth Praetor
43%inclusion3 decks7 decks
38%synergy
Nashi, Moon Sage's Scion
43%inclusion3 decks7 decks
39%synergy
Gwenom, Remorseless
33%inclusion1 decks3 decks
30%synergy
Solemn Simulacrum
29%inclusion2 decks7 decks
6%synergy
Bismuth Mindrender
29%inclusion2 decks7 decks
28%synergy
Syr Konrad, the Grim
29%inclusion2 decks7 decks
8%synergy
Dread Presence
29%inclusion2 decks7 decks
14%synergy
Hoarding Broodlord
29%inclusion2 decks7 decks
24%synergy
Defiler of Flesh
29%inclusion2 decks7 decks
25%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
Burnished Hart
29%inclusion2 decks7 decks
21%synergy
Valgavoth, Terror Eater
29%inclusion2 decks7 decks
23%synergy
Draugr Necromancer
29%inclusion2 decks7 decks
28%synergy
Reito Sentinel
29%inclusion2 decks7 decks
28%synergy
Leaden Myr
29%inclusion2 decks7 decks
23%synergy
Chrome Companion
25%inclusion1 decks4 decks
25%synergy
Ardyn, the Usurper
20%inclusion1 decks5 decks
17%synergy
The Warring Triad
20%inclusion1 decks5 decks
19%synergy
Uchuulon
14%inclusion1 decks7 decks
14%synergy
Magus of the Coffers
14%inclusion1 decks7 decks
7%synergy
Alchemist's Assistant
14%inclusion1 decks7 decks
14%synergy
Plaguecrafter
14%inclusion1 decks7 decks
-6%synergy
Phyrexian Obliterator
14%inclusion1 decks7 decks
3%synergy
Eye Collector
14%inclusion1 decks7 decks
13%synergy
Nighthowler
14%inclusion1 decks7 decks
14%synergy
Massacre Girl
14%inclusion1 decks7 decks
7%synergy
Hoverstone Pilgrim
14%inclusion1 decks7 decks
14%synergy
Junji, the Midnight Sky
14%inclusion1 decks7 decks
9%synergy
Ravenous Chupacabra
14%inclusion1 decks7 decks
10%synergy
Rev, Tithe Extractor
14%inclusion1 decks7 decks
12%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
Sewer Nemesis
14%inclusion1 decks7 decks
14%synergy
Instants
Malakir Rebirth
57%inclusion4 decks7 decks
34%synergy
Withering Torment
57%inclusion4 decks7 decks
26%synergy
Consuming Corruption
43%inclusion3 decks7 decks
27%synergy
Defile
43%inclusion3 decks7 decks
6%synergy
Baleful Mastery
43%inclusion3 decks7 decks
34%synergy
The Spot's Portal
33%inclusion1 decks3 decks
33%synergy
Deadly Rollick
29%inclusion2 decks7 decks
4%synergy
Stinging Study
29%inclusion2 decks7 decks
26%synergy
Imp's Mischief
29%inclusion2 decks7 decks
4%synergy
Soul Shatter
29%inclusion2 decks7 decks
17%synergy
Undying Malice
29%inclusion2 decks7 decks
19%synergy
Spoils of Evil
29%inclusion2 decks7 decks
28%synergy
Sudden Spoiling
29%inclusion2 decks7 decks
20%synergy
Fell the Profane
14%inclusion1 decks7 decks
-5%synergy
Force of Despair
14%inclusion1 decks7 decks
7%synergy
Thrilling Encore
14%inclusion1 decks7 decks
13%synergy
Go for the Throat
14%inclusion1 decks7 decks
-9%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
Doom Blade
14%inclusion1 decks7 decks
7%synergy
Not of This World
14%inclusion1 decks7 decks
14%synergy
Dash Hopes
14%inclusion1 decks7 decks
13%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
Grim Return
14%inclusion1 decks7 decks
13%synergy
Curtains' Call
14%inclusion1 decks7 decks
13%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
Sorceries
Sign in Blood
57%inclusion4 decks7 decks
22%synergy
Damnation
57%inclusion4 decks7 decks
37%synergy
Breach the Multiverse
57%inclusion4 decks7 decks
51%synergy
Dredge the Mire
43%inclusion3 decks7 decks
42%synergy
Cruelclaw's Heist
43%inclusion3 decks7 decks
40%synergy
Exsanguinate
43%inclusion3 decks7 decks
18%synergy
Toxic Deluge
43%inclusion3 decks7 decks
6%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
Decree of Pain
29%inclusion2 decks7 decks
23%synergy
Reanimate
29%inclusion2 decks7 decks
-11%synergy
Syphon Mind
29%inclusion2 decks7 decks
16%synergy
Beacon of Unrest
29%inclusion2 decks7 decks
25%synergy
Visions of Dread
14%inclusion1 decks7 decks
14%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
Final Strike
14%inclusion1 decks7 decks
14%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
Blasphemous Edict
14%inclusion1 decks7 decks
-2%synergy
Blood Money
14%inclusion1 decks7 decks
11%synergy
Ancient Craving
14%inclusion1 decks7 decks
12%synergy
Consume Spirit
14%inclusion1 decks7 decks
13%synergy
Lay Bare the Heart
14%inclusion1 decks7 decks
14%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
Fishing Gear
67%inclusion2 decks3 decks
67%synergy
The Darkness Crystal
60%inclusion3 decks5 decks
40%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
Expedition Map
29%inclusion2 decks7 decks
17%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
Portal to Phyrexia
14%inclusion1 decks7 decks
13%synergy
Wayfarer's Bauble
14%inclusion1 decks7 decks
-1%synergy
Whip of Erebos
14%inclusion1 decks7 decks
3%synergy
Cauldron of Souls
14%inclusion1 decks7 decks
13%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
Swiftfoot Boots
14%inclusion1 decks7 decks
-17%synergy
Lightning Greaves
14%inclusion1 decks7 decks
-19%synergy
Enchantments
Cunning Rhetoric
57%inclusion4 decks7 decks
55%synergy
The Eldest Reborn
43%inclusion3 decks7 decks
39%synergy
Dead Man's Chest
43%inclusion3 decks7 decks
42%synergy
Chorale of the Void
33%inclusion1 decks3 decks
32%synergy
Dance of the Dead
29%inclusion2 decks7 decks
25%synergy
Black Market
29%inclusion2 decks7 decks
8%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
Greed
14%inclusion1 decks7 decks
7%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
Heartless Summoning
14%inclusion1 decks7 decks
9%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
57%inclusion4 decks7 decks
20%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
12%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
Wasteland
14%inclusion1 decks7 decks
13%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
Leechridden Swamp
14%inclusion1 decks7 decks
12%synergy
Guildless Commons
14%inclusion1 decks7 decks
14%synergy
Rogue's Passage
14%inclusion1 decks7 decks
-5%synergy
Mana Artifacts
Sol Ring
100%inclusion7 decks7 decks
14%synergy
Thran Dynamo
57%inclusion4 decks7 decks
51%synergy
Nyx Lotus
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
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
Charcoal Diamond
14%inclusion1 decks7 decks
-8%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
29%inclusion2 decks7 decks
22%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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