Arvinox, the Mind Flail (Commander) - Upgraded Theft

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,451
10decks
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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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50%inclusion1 decks2 decks
49%synergy
Baron Helmut Zemo
14%inclusion1 decks7 decks
13%synergy
Doom Reigns Supreme
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Brainstealer Dragon
100%inclusion10 decks10 decks
97%synergy
Elder Brain
90%inclusion9 decks10 decks
88%synergy
Thieving Varmint
80%inclusion8 decks10 decks
77%synergy
Black Cat, Cunning Thief
71%inclusion5 decks7 decks
70%synergy
Geth, Lord of the Vault
70%inclusion7 decks10 decks
69%synergy
Thieving Amalgam
70%inclusion7 decks10 decks
69%synergy
Court of Locthwain
70%inclusion7 decks10 decks
68%synergy
Cunning Rhetoric
70%inclusion7 decks10 decks
68%synergy
Sepulchral Primordial
70%inclusion7 decks10 decks
68%synergy
Gonti, Night Minister
70%inclusion7 decks10 decks
67%synergy
Top Cards
Crypt Ghast
90%inclusion9 decks10 decks
43%synergy
Withering Torment
80%inclusion8 decks10 decks
49%synergy
Breach the Multiverse
70%inclusion7 decks10 decks
64%synergy
Gonti, Lord of Luxury
70%inclusion7 decks10 decks
67%synergy
Gray Merchant of Asphodel
70%inclusion7 decks10 decks
20%synergy
Dauthi Voidwalker
70%inclusion7 decks10 decks
54%synergy
Animate Dead
70%inclusion7 decks10 decks
53%synergy
Jet Medallion
60%inclusion6 decks10 decks
-2%synergy
Intellect Devourer
60%inclusion6 decks10 decks
59%synergy
Reanimate
60%inclusion6 decks10 decks
19%synergy
Game Changers
Bolas's Citadel
30%inclusion3 decks10 decks
2%synergy
Ancient Tomb
20%inclusion2 decks10 decks
8%synergy
Opposition Agent
10%inclusion1 decks10 decks
1%synergy
Demonic Tutor
10%inclusion1 decks10 decks
-17%synergy
Tergrid, God of Fright
10%inclusion1 decks10 decks
3%synergy
Necropotence
10%inclusion1 decks10 decks
-4%synergy
Field of the Dead
10%inclusion1 decks10 decks
9%synergy
Chrome Mox
10%inclusion1 decks10 decks
4%synergy
Vampiric Tutor
10%inclusion1 decks10 decks
-11%synergy
Creatures
Nirkana Revenant
50%inclusion5 decks10 decks
40%synergy
Junktroller
50%inclusion5 decks10 decks
50%synergy
Tinybones, the Pickpocket
50%inclusion5 decks10 decks
45%synergy
Nashi, Moon Sage's Scion
50%inclusion5 decks10 decks
46%synergy
Gisa, Glorious Resurrector
50%inclusion5 decks10 decks
46%synergy
Solemn Simulacrum
40%inclusion4 decks10 decks
19%synergy
Hoarding Broodlord
40%inclusion4 decks10 decks
36%synergy
Lord of the Void
40%inclusion4 decks10 decks
38%synergy
Burnished Hart
40%inclusion4 decks10 decks
33%synergy
Valgavoth, Terror Eater
40%inclusion4 decks10 decks
35%synergy
Crabomination
30%inclusion3 decks10 decks
29%synergy
Reito Sentinel
30%inclusion3 decks10 decks
30%synergy
Leaden Myr
30%inclusion3 decks10 decks
24%synergy
Emeritus of Woe
25%inclusion1 decks4 decks
18%synergy
Ardyn, the Usurper
22%inclusion2 decks9 decks
19%synergy
Bismuth Mindrender
20%inclusion2 decks10 decks
19%synergy
Syr Konrad, the Grim
20%inclusion2 decks10 decks
-0%synergy
Dread Presence
20%inclusion2 decks10 decks
7%synergy
Magus of the Coffers
20%inclusion2 decks10 decks
14%synergy
Defiler of Flesh
20%inclusion2 decks10 decks
16%synergy
Phyrexian Obliterator
20%inclusion2 decks10 decks
9%synergy
Lorcan, Warlock Collector
20%inclusion2 decks10 decks
20%synergy
Orochi Soul-Reaver
20%inclusion2 decks10 decks
18%synergy
Shelob, Dread Weaver
20%inclusion2 decks10 decks
20%synergy
Author of Shadows
20%inclusion2 decks10 decks
20%synergy
Gix, Yawgmoth Praetor
20%inclusion2 decks10 decks
15%synergy
Oblivion Sower
20%inclusion2 decks10 decks
20%synergy
Rakshasa Debaser
20%inclusion2 decks10 decks
19%synergy
Kheru Mind-Eater
20%inclusion2 decks10 decks
20%synergy
Gwenom, Remorseless
14%inclusion1 decks7 decks
11%synergy
Koh, the Face Stealer
14%inclusion1 decks7 decks
13%synergy
Chrome Companion
13%inclusion1 decks8 decks
12%synergy
The Warring Triad
11%inclusion1 decks9 decks
10%synergy
Alchemist's Assistant
10%inclusion1 decks10 decks
10%synergy
Plaguecrafter
10%inclusion1 decks10 decks
-10%synergy
Morbid Opportunist
10%inclusion1 decks10 decks
-14%synergy
Eye Collector
10%inclusion1 decks10 decks
9%synergy
Massacre Girl
10%inclusion1 decks10 decks
3%synergy
Hoverstone Pilgrim
10%inclusion1 decks10 decks
10%synergy
Wandering Archaic
10%inclusion1 decks10 decks
9%synergy
Drana, Kalastria Bloodchief
10%inclusion1 decks10 decks
9%synergy
Varragoth, Bloodsky Sire
10%inclusion1 decks10 decks
6%synergy
Abyssal Harvester
10%inclusion1 decks10 decks
6%synergy
Junji, the Midnight Sky
10%inclusion1 decks10 decks
5%synergy
Archpriest of Shadows
10%inclusion1 decks10 decks
9%synergy
Ravenous Chupacabra
10%inclusion1 decks10 decks
6%synergy
Ancient Brass Dragon
10%inclusion1 decks10 decks
9%synergy
Rev, Tithe Extractor
10%inclusion1 decks10 decks
8%synergy
Thieves' Guild Enforcer
10%inclusion1 decks10 decks
9%synergy
Myojin of Grim Betrayal
10%inclusion1 decks10 decks
10%synergy
Instants
Malakir Rebirth
60%inclusion6 decks10 decks
37%synergy
Dark Ritual
50%inclusion5 decks10 decks
-17%synergy
Consuming Corruption
40%inclusion4 decks10 decks
25%synergy
Defile
40%inclusion4 decks10 decks
5%synergy
Outrageous Robbery
40%inclusion4 decks10 decks
38%synergy
Infernal Grasp
40%inclusion4 decks10 decks
15%synergy
Baleful Mastery
40%inclusion4 decks10 decks
32%synergy
Pain 101
33%inclusion2 decks6 decks
32%synergy
Force of Despair
30%inclusion3 decks10 decks
22%synergy
Imp's Mischief
30%inclusion3 decks10 decks
5%synergy
Deadly Dispute
30%inclusion3 decks10 decks
3%synergy
Soul Shatter
30%inclusion3 decks10 decks
18%synergy
Sudden Spoiling
30%inclusion3 decks10 decks
22%synergy
Deadly Rollick
20%inclusion2 decks10 decks
-5%synergy
Stinging Study
20%inclusion2 decks10 decks
17%synergy
Thrilling Encore
20%inclusion2 decks10 decks
18%synergy
Go for the Throat
20%inclusion2 decks10 decks
-3%synergy
Not Dead After All
20%inclusion2 decks10 decks
9%synergy
Doom Blade
20%inclusion2 decks10 decks
13%synergy
Undying Malice
20%inclusion2 decks10 decks
10%synergy
Spoils of Evil
20%inclusion2 decks10 decks
20%synergy
Grim Return
20%inclusion2 decks10 decks
19%synergy
The Spot's Portal
14%inclusion1 decks7 decks
14%synergy
Fell the Profane
10%inclusion1 decks10 decks
-10%synergy
Sheoldred's Edict
10%inclusion1 decks10 decks
-5%synergy
Snuff Out
10%inclusion1 decks10 decks
-4%synergy
Heartless Act
10%inclusion1 decks10 decks
8%synergy
Village Rites
10%inclusion1 decks10 decks
-16%synergy
Undying Evil
10%inclusion1 decks10 decks
7%synergy
Flare of Malice
10%inclusion1 decks10 decks
-4%synergy
Cabal Ritual
10%inclusion1 decks10 decks
-9%synergy
Culling the Weak
10%inclusion1 decks10 decks
-8%synergy
Withering Boon
10%inclusion1 decks10 decks
6%synergy
Tendrils of Corruption
10%inclusion1 decks10 decks
7%synergy
Darkness
10%inclusion1 decks10 decks
-0%synergy
Black Sun's Twilight
10%inclusion1 decks10 decks
7%synergy
Power Word Kill
10%inclusion1 decks10 decks
9%synergy
Abnormal Endurance
10%inclusion1 decks10 decks
9%synergy
Treacherous Urge
10%inclusion1 decks10 decks
10%synergy
Sorceries
Sign in Blood
60%inclusion6 decks10 decks
25%synergy
Heartless Conscription
60%inclusion6 decks10 decks
59%synergy
Damnation
60%inclusion6 decks10 decks
40%synergy
Feed the Swarm
50%inclusion5 decks10 decks
-0%synergy
Cruelclaw's Heist
50%inclusion5 decks10 decks
48%synergy
Night's Whisper
50%inclusion5 decks10 decks
25%synergy
Dredge the Mire
40%inclusion4 decks10 decks
40%synergy
Exsanguinate
40%inclusion4 decks10 decks
15%synergy
Torment of Hailfire
30%inclusion3 decks10 decks
15%synergy
Bubbling Muck
30%inclusion3 decks10 decks
14%synergy
Predators' Hour
30%inclusion3 decks10 decks
29%synergy
Read the Bones
30%inclusion3 decks10 decks
14%synergy
Toxic Deluge
30%inclusion3 decks10 decks
-7%synergy
Decorum Dissertation
25%inclusion1 decks4 decks
19%synergy
Afterlife from the Loam
20%inclusion2 decks10 decks
19%synergy
Blasphemous Edict
20%inclusion2 decks10 decks
4%synergy
Syphon Mind
20%inclusion2 decks10 decks
8%synergy
Beacon of Unrest
20%inclusion2 decks10 decks
16%synergy
Rise of the Dark Realms
20%inclusion2 decks10 decks
7%synergy
Worst Fears
20%inclusion2 decks10 decks
20%synergy
Visions of Dread
10%inclusion1 decks10 decks
10%synergy
Life's Finale
10%inclusion1 decks10 decks
9%synergy
Will of the Abzan
10%inclusion1 decks10 decks
7%synergy
Profane Tutor
10%inclusion1 decks10 decks
6%synergy
Come Back Wrong
10%inclusion1 decks10 decks
7%synergy
Xander's Pact
10%inclusion1 decks10 decks
10%synergy
Dead of Winter
10%inclusion1 decks10 decks
9%synergy
Shadow of the Enemy
10%inclusion1 decks10 decks
9%synergy
Dread Summons
10%inclusion1 decks10 decks
8%synergy
Mutilate
10%inclusion1 decks10 decks
-6%synergy
Blood Money
10%inclusion1 decks10 decks
7%synergy
Consume Spirit
10%inclusion1 decks10 decks
9%synergy
Decree of Pain
10%inclusion1 decks10 decks
5%synergy
Living Death
10%inclusion1 decks10 decks
-0%synergy
Diresight
10%inclusion1 decks10 decks
7%synergy
Corrupt
10%inclusion1 decks10 decks
8%synergy
Insatiable Avarice
10%inclusion1 decks10 decks
-1%synergy
Essence Harvest
10%inclusion1 decks10 decks
9%synergy
Necromantic Selection
10%inclusion1 decks10 decks
8%synergy
Deadly Tempest
10%inclusion1 decks10 decks
8%synergy
From the Catacombs
10%inclusion1 decks10 decks
10%synergy
Ghouls' Night Out
10%inclusion1 decks10 decks
9%synergy
Ashen Powder
10%inclusion1 decks10 decks
10%synergy
Grim Tutor
10%inclusion1 decks10 decks
-1%synergy
Shared Trauma
10%inclusion1 decks10 decks
10%synergy
Sanguimancy
10%inclusion1 decks10 decks
10%synergy
Utility Artifacts
The Darkness Crystal
44%inclusion4 decks9 decks
24%synergy
Staff of Eden, Vault's Key
40%inclusion4 decks10 decks
39%synergy
Wayfarer's Bauble
30%inclusion3 decks10 decks
15%synergy
Expedition Map
30%inclusion3 decks10 decks
19%synergy
Mindcrank
30%inclusion3 decks10 decks
25%synergy
Lightning Greaves
30%inclusion3 decks10 decks
-4%synergy
Fishing Gear
29%inclusion2 decks7 decks
28%synergy
Chaos Wand
20%inclusion2 decks10 decks
20%synergy
Lithoform Engine
20%inclusion2 decks10 decks
19%synergy
Dream-Thief's Bandana
20%inclusion2 decks10 decks
19%synergy
Whip of Erebos
20%inclusion2 decks10 decks
9%synergy
Helm of the Host
20%inclusion2 decks10 decks
19%synergy
Bontu's Monument
20%inclusion2 decks10 decks
-8%synergy
Whispersilk Cloak
20%inclusion2 decks10 decks
14%synergy
Strionic Resonator
20%inclusion2 decks10 decks
19%synergy
Mesmeric Orb
10%inclusion1 decks10 decks
7%synergy
Lashwrithe
10%inclusion1 decks10 decks
6%synergy
Mithril Coat
10%inclusion1 decks10 decks
4%synergy
Aetherflux Reservoir
10%inclusion1 decks10 decks
1%synergy
Mind's Eye
10%inclusion1 decks10 decks
10%synergy
Mirage Mirror
10%inclusion1 decks10 decks
9%synergy
Realmbreaker, the Invasion Tree
10%inclusion1 decks10 decks
9%synergy
Wishclaw Talisman
10%inclusion1 decks10 decks
3%synergy
Cybership
10%inclusion1 decks10 decks
10%synergy
Mask of Griselbrand
10%inclusion1 decks10 decks
7%synergy
Altar of the Brood
10%inclusion1 decks10 decks
8%synergy
Altar of the Wretched
10%inclusion1 decks10 decks
9%synergy
Swiftfoot Boots
10%inclusion1 decks10 decks
-22%synergy
Reito Lantern
10%inclusion1 decks10 decks
10%synergy
Helm of Awakening
10%inclusion1 decks10 decks
9%synergy
Enchantments
Dead Man's Chest
60%inclusion6 decks10 decks
59%synergy
Phyrexian Arena
50%inclusion5 decks10 decks
11%synergy
Black Market
40%inclusion4 decks10 decks
20%synergy
Changing Loyalty
40%inclusion2 decks5 decks
39%synergy
Meathook Massacre II
30%inclusion3 decks10 decks
24%synergy
Dance of the Dead
20%inclusion2 decks10 decks
17%synergy
The Cruelty of Gix
20%inclusion2 decks10 decks
19%synergy
The Eldest Reborn
20%inclusion2 decks10 decks
17%synergy
Necromancy
20%inclusion2 decks10 decks
14%synergy
Minion's Return
20%inclusion2 decks10 decks
19%synergy
Grave Betrayal
20%inclusion2 decks10 decks
18%synergy
Kaya's Ghostform
20%inclusion2 decks10 decks
10%synergy
Black Market Connections
20%inclusion2 decks10 decks
-5%synergy
Heartless Summoning
20%inclusion2 decks10 decks
15%synergy
Chorale of the Void
14%inclusion1 decks7 decks
13%synergy
Grave Venerations
14%inclusion1 decks7 decks
12%synergy
Greed
10%inclusion1 decks10 decks
4%synergy
Underworld Connections
10%inclusion1 decks10 decks
8%synergy
Protection Racket
10%inclusion1 decks10 decks
10%synergy
Grave Pact
10%inclusion1 decks10 decks
-9%synergy
Exquisite Blood
10%inclusion1 decks10 decks
-3%synergy
Hedonist's Trove
10%inclusion1 decks10 decks
10%synergy
No Mercy
10%inclusion1 decks10 decks
3%synergy
Oubliette
10%inclusion1 decks10 decks
7%synergy
Revel in Riches
10%inclusion1 decks10 decks
5%synergy
Revenge of Ravens
10%inclusion1 decks10 decks
8%synergy
Virtue of Persistence
10%inclusion1 decks10 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
30%inclusion3 decks10 decks
16%synergy
Tevesh Szat, Doom of Fools
10%inclusion1 decks10 decks
7%synergy
Utility Lands
Cabal Coffers
90%inclusion9 decks10 decks
35%synergy
Cabal Stronghold
80%inclusion8 decks10 decks
46%synergy
Nykthos, Shrine to Nyx
70%inclusion7 decks10 decks
40%synergy
Urborg, Tomb of Yawgmoth
60%inclusion6 decks10 decks
22%synergy
Bojuka Bog
50%inclusion5 decks10 decks
3%synergy
Witch's Cottage
50%inclusion5 decks10 decks
26%synergy
Takenuma, Abandoned Mire
40%inclusion4 decks10 decks
24%synergy
Reliquary Tower
40%inclusion4 decks10 decks
10%synergy
Shizo, Death's Storehouse
30%inclusion3 decks10 decks
20%synergy
Castle Locthwain
30%inclusion3 decks10 decks
13%synergy
Rogue's Passage
30%inclusion3 decks10 decks
11%synergy
Phyrexian Tower
20%inclusion2 decks10 decks
-6%synergy
War Room
20%inclusion2 decks10 decks
4%synergy
Command Beacon
20%inclusion2 decks10 decks
12%synergy
Deserted Temple
20%inclusion2 decks10 decks
16%synergy
Thespian's Stage
20%inclusion2 decks10 decks
15%synergy
Temple of the False God
20%inclusion2 decks10 decks
12%synergy
Realm of Koh
14%inclusion1 decks7 decks
12%synergy
Susur Secundi, Void Altar
13%inclusion1 decks8 decks
5%synergy
Midgar, City of Mako
11%inclusion1 decks9 decks
1%synergy
Mortuary Mire
10%inclusion1 decks10 decks
-3%synergy
Ghost Quarter
10%inclusion1 decks10 decks
8%synergy
Barren Moor
10%inclusion1 decks10 decks
1%synergy
Buried Ruin
10%inclusion1 decks10 decks
5%synergy
Maze of Ith
10%inclusion1 decks10 decks
7%synergy
Crypt of Agadeem
10%inclusion1 decks10 decks
-2%synergy
Spymaster's Vault
10%inclusion1 decks10 decks
0%synergy
Minas Morgul, Dark Fortress
10%inclusion1 decks10 decks
7%synergy
Lake of the Dead
10%inclusion1 decks10 decks
5%synergy
Hidden Necropolis
10%inclusion1 decks10 decks
9%synergy
Mana Artifacts
Sol Ring
100%inclusion10 decks10 decks
15%synergy
Arcane Signet
50%inclusion5 decks10 decks
-11%synergy
Thran Dynamo
50%inclusion5 decks10 decks
44%synergy
Nyx Lotus
50%inclusion5 decks10 decks
44%synergy
Charcoal Diamond
30%inclusion3 decks10 decks
8%synergy
Vessel of Endless Rest
30%inclusion3 decks10 decks
30%synergy
Thought Vessel
30%inclusion3 decks10 decks
5%synergy
Gilded Lotus
30%inclusion3 decks10 decks
25%synergy
Worn Powerstone
30%inclusion3 decks10 decks
26%synergy
Mind Stone
30%inclusion3 decks10 decks
2%synergy
Extraplanar Lens
30%inclusion3 decks10 decks
25%synergy
Caged Sun
20%inclusion2 decks10 decks
9%synergy
Everflowing Chalice
20%inclusion2 decks10 decks
15%synergy
Fellwar Stone
20%inclusion2 decks10 decks
6%synergy
Sceptre of Eternal Glory
20%inclusion2 decks10 decks
12%synergy
The Soul Stone
14%inclusion1 decks7 decks
-1%synergy
Hedron Archive
10%inclusion1 decks10 decks
7%synergy
Throne of Eldraine
10%inclusion1 decks10 decks
1%synergy
Decanter of Endless Water
10%inclusion1 decks10 decks
7%synergy
The Celestus
10%inclusion1 decks10 decks
10%synergy
Skyclave Relic
10%inclusion1 decks10 decks
10%synergy
Lands
Swamp
70%inclusion7 decks10 decks
-25%synergy
Malakir Rebirth
60%inclusion6 decks10 decks
37%synergy
Myriad Landscape
50%inclusion5 decks10 decks
25%synergy
Snow-Covered Swamp
40%inclusion4 decks10 decks
34%synergy
Fell the Profane
10%inclusion1 decks10 decks
-10%synergy
Urza's Cave
10%inclusion1 decks10 decks
2%synergy
Demolition Field
10%inclusion1 decks10 decks
5%synergy
Path of Ancestry
10%inclusion1 decks10 decks
5%synergy
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