Arvinox, the Mind Flail (Commander) - Core

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,331
117decks
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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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Brainstealer Dragon
76%inclusion89 decks117 decks
73%synergy
Gonti, Lord of Luxury
74%inclusion87 decks117 decks
71%synergy
Elder Brain
73%inclusion85 decks117 decks
70%synergy
Cunning Rhetoric
67%inclusion78 decks117 decks
64%synergy
Intellect Devourer
64%inclusion75 decks117 decks
63%synergy
Thieving Amalgam
63%inclusion74 decks117 decks
62%synergy
Dead Man's Chest
53%inclusion62 decks117 decks
52%synergy
Junktroller
46%inclusion54 decks117 decks
46%synergy
Gisa, Glorious Resurrector
50%inclusion59 decks117 decks
45%synergy
Outrageous Robbery
47%inclusion55 decks117 decks
45%synergy
Top Cards
Dark Ritual
60%inclusion70 decks117 decks
-7%synergy
Crypt Ghast
59%inclusion69 decks117 decks
11%synergy
Gray Merchant of Asphodel
57%inclusion67 decks117 decks
6%synergy
Feed the Swarm
57%inclusion67 decks117 decks
6%synergy
Defile
54%inclusion63 decks117 decks
17%synergy
Sign in Blood
50%inclusion58 decks117 decks
14%synergy
Solemn Simulacrum
49%inclusion57 decks117 decks
26%synergy
Jet Medallion
48%inclusion56 decks117 decks
-13%synergy
Wayfarer's Bauble
45%inclusion53 decks117 decks
29%synergy
Geth, Lord of the Vault
45%inclusion53 decks117 decks
44%synergy
Creatures
Sepulchral Primordial
41%inclusion48 decks117 decks
39%synergy
Reito Sentinel
41%inclusion48 decks117 decks
41%synergy
Burnished Hart
39%inclusion46 decks117 decks
32%synergy
Thieving Varmint
38%inclusion43 decks114 decks
35%synergy
Nirkana Revenant
38%inclusion44 decks117 decks
26%synergy
Nashi, Moon Sage's Scion
35%inclusion41 decks117 decks
31%synergy
Magus of the Coffers
34%inclusion40 decks117 decks
27%synergy
Leaden Myr
32%inclusion38 decks117 decks
26%synergy
K'rrik, Son of Yawgmoth
31%inclusion36 decks117 decks
12%synergy
Dauthi Voidwalker
31%inclusion36 decks117 decks
15%synergy
Crabomination
30%inclusion34 decks113 decks
29%synergy
Dread Presence
30%inclusion35 decks117 decks
15%synergy
Valgavoth, Terror Eater
29%inclusion28 decks95 decks
24%synergy
Bismuth Mindrender
27%inclusion31 decks113 decks
27%synergy
Plaguecrafter
26%inclusion31 decks117 decks
7%synergy
Rakshasa Debaser
26%inclusion31 decks117 decks
26%synergy
Author of Shadows
25%inclusion29 decks117 decks
24%synergy
Gonti, Night Minister
24%inclusion15 decks63 decks
21%synergy
Draugr Necromancer
21%inclusion25 decks117 decks
21%synergy
Tinybones, the Pickpocket
21%inclusion25 decks117 decks
16%synergy
Defiler of Flesh
21%inclusion24 decks117 decks
16%synergy
Gix, Yawgmoth Praetor
20%inclusion23 decks117 decks
15%synergy
Oblivion Sower
19%inclusion22 decks117 decks
19%synergy
Kheru Mind-Eater
18%inclusion21 decks117 decks
18%synergy
Hoverstone Pilgrim
16%inclusion19 decks117 decks
16%synergy
Lorcan, Warlock Collector
16%inclusion19 decks117 decks
16%synergy
Hoarding Broodlord
16%inclusion19 decks117 decks
12%synergy
Phyrexian Obliterator
16%inclusion19 decks117 decks
5%synergy
Accursed Marauder
15%inclusion17 decks113 decks
-6%synergy
Fleshbag Marauder
15%inclusion17 decks117 decks
-1%synergy
Tinybones, Bauble Burglar
14%inclusion12 decks84 decks
11%synergy
Chainer, Dementia Master
14%inclusion16 decks117 decks
8%synergy
Ravenous Chupacabra
13%inclusion15 decks117 decks
8%synergy
Cogwork Archivist
13%inclusion15 decks117 decks
13%synergy
Herald of Leshrac
13%inclusion15 decks117 decks
13%synergy
Sheoldred
12%inclusion14 decks117 decks
6%synergy
Sheoldred, Whispering One
12%inclusion14 decks117 decks
0%synergy
Ancient Cellarspawn
12%inclusion11 decks94 decks
9%synergy
Massacre Girl
11%inclusion13 decks117 decks
4%synergy
Morbid Opportunist
11%inclusion13 decks117 decks
-12%synergy
Lord of the Void
11%inclusion13 decks117 decks
9%synergy
Shelob, Dread Weaver
10%inclusion12 decks117 decks
10%synergy
Jade-Cast Sentinel
10%inclusion5 decks49 decks
10%synergy
Massacre Wurm
9.4%inclusion11 decks117 decks
-8%synergy
Ornithopter of Paradise
9.4%inclusion11 decks117 decks
7%synergy
Murderous Rider
8.5%inclusion10 decks117 decks
2%synergy
Malevolent Chandelier
8.5%inclusion8 decks94 decks
8%synergy
Rev, Tithe Extractor
8.3%inclusion7 decks84 decks
6%synergy
Syr Konrad, the Grim
7.7%inclusion9 decks117 decks
-13%synergy
Phyrexian Archivist
7.7%inclusion9 decks117 decks
8%synergy
Instants
Withering Torment
45%inclusion43 decks95 decks
14%synergy
Infernal Grasp
37%inclusion43 decks117 decks
12%synergy
Go for the Throat
32%inclusion37 decks117 decks
8%synergy
Consuming Corruption
31%inclusion35 decks113 decks
15%synergy
Soul Shatter
29%inclusion34 decks117 decks
17%synergy
Stinging Study
25%inclusion29 decks117 decks
22%synergy
Grim Return
22%inclusion26 decks117 decks
21%synergy
Fell the Profane
19%inclusion21 decks113 decks
0%synergy
Imp's Mischief
16%inclusion19 decks117 decks
-8%synergy
Nurgle's Conscription
15%inclusion18 decks117 decks
15%synergy
Thrilling Encore
15%inclusion18 decks117 decks
14%synergy
Hero's Downfall
15%inclusion17 decks117 decks
8%synergy
Doom Blade
14%inclusion16 decks117 decks
6%synergy
Murder
14%inclusion16 decks117 decks
3%synergy
Baleful Mastery
11%inclusion13 decks117 decks
2%synergy
Hagra Mauling
11%inclusion13 decks117 decks
7%synergy
Malakir Rebirth
11%inclusion13 decks117 decks
-12%synergy
Darkness
9.4%inclusion11 decks117 decks
0%synergy
Deadly Rollick
9.4%inclusion11 decks117 decks
-14%synergy
Tragic Slip
9.4%inclusion11 decks117 decks
-11%synergy
Village Rites
8.5%inclusion10 decks117 decks
-16%synergy
Tendrils of Corruption
8.5%inclusion10 decks117 decks
5%synergy
Not Dead After All
7.7%inclusion9 decks117 decks
-4%synergy
Cabal Ritual
7.7%inclusion9 decks117 decks
-10%synergy
Hostile Negotiations
7.7%inclusion9 decks117 decks
6%synergy
Fated Return
7.7%inclusion9 decks117 decks
7%synergy
Black Sun's Twilight
7.7%inclusion9 decks117 decks
4%synergy
Withering Boon
6.8%inclusion8 decks117 decks
2%synergy
Sheoldred's Edict
6.8%inclusion8 decks117 decks
-8%synergy
Bitter Triumph
6.8%inclusion8 decks117 decks
-3%synergy
Sudden Spoiling
6.0%inclusion7 decks117 decks
-3%synergy
Force of Despair
6.0%inclusion7 decks117 decks
-2%synergy
Deadly Dispute
5.1%inclusion6 decks117 decks
-20%synergy
Sorceries
Dredge the Mire
41%inclusion48 decks117 decks
40%synergy
Breach the Multiverse
39%inclusion46 decks117 decks
33%synergy
Mutilate
38%inclusion45 decks117 decks
20%synergy
Read the Bones
38%inclusion45 decks117 decks
21%synergy
Heartless Conscription
38%inclusion43 decks114 decks
36%synergy
Visions of Dread
35%inclusion41 decks117 decks
35%synergy
Reanimate
30%inclusion35 decks117 decks
-9%synergy
Cruelclaw's Heist
29%inclusion30 decks103 decks
27%synergy
Night's Whisper
26%inclusion31 decks117 decks
2%synergy
Necromantic Selection
25%inclusion29 decks117 decks
23%synergy
Bubbling Muck
25%inclusion29 decks117 decks
9%synergy
Syphon Mind
22%inclusion26 decks117 decks
9%synergy
Damnation
19%inclusion22 decks117 decks
-2%synergy
Exsanguinate
19%inclusion22 decks117 decks
-6%synergy
Beacon of Unrest
19%inclusion22 decks117 decks
15%synergy
Rise of the Dark Realms
19%inclusion22 decks117 decks
6%synergy
Praetor's Grasp
17%inclusion20 decks117 decks
13%synergy
Come Back Wrong
17%inclusion18 decks107 decks
14%synergy
In Garruk's Wake
16%inclusion19 decks117 decks
12%synergy
Shadow of the Enemy
15%inclusion18 decks117 decks
15%synergy
Toxic Deluge
15%inclusion18 decks117 decks
-22%synergy
Xander's Pact
14%inclusion16 decks117 decks
13%synergy
Ghouls' Night Out
14%inclusion16 decks117 decks
13%synergy
Blasphemous Edict
13%inclusion11 decks84 decks
-4%synergy
Extinguish All Hope
13%inclusion15 decks117 decks
13%synergy
Torment of Hailfire
12%inclusion14 decks117 decks
-4%synergy
Predators' Hour
12%inclusion14 decks117 decks
11%synergy
Victimize
11%inclusion13 decks117 decks
-15%synergy
Ancient Craving
10%inclusion12 decks117 decks
8%synergy
Decree of Pain
10%inclusion12 decks117 decks
5%synergy
Diabolic Tutor
10%inclusion12 decks117 decks
-4%synergy
Deadly Tempest
8.5%inclusion10 decks117 decks
6%synergy
Blood Money
8.5%inclusion10 decks117 decks
5%synergy
Psychotic Episode
7.7%inclusion9 decks117 decks
8%synergy
Yawgmoth's Vile Offering
6.8%inclusion8 decks117 decks
6%synergy
Petty Larceny
6.4%inclusion7 decks109 decks
6%synergy
Afterlife from the Loam
6.1%inclusion3 decks49 decks
5%synergy
Dead of Winter
6.0%inclusion7 decks117 decks
5%synergy
Ambition's Cost
6.0%inclusion7 decks117 decks
3%synergy
Invoke Despair
6.0%inclusion7 decks117 decks
4%synergy
Command the Dreadhorde
6.0%inclusion7 decks117 decks
4%synergy
Blood on the Snow
6.0%inclusion7 decks117 decks
5%synergy
Fell
5.8%inclusion6 decks104 decks
2%synergy
Diresight
5.8%inclusion6 decks104 decks
2%synergy
Black Sun's Zenith
5.1%inclusion6 decks117 decks
-1%synergy
Cloudkill
5.1%inclusion6 decks117 decks
5%synergy
Corrupt
5.1%inclusion6 decks117 decks
2%synergy
Utility Artifacts
Realmbreaker, the Invasion Tree
38%inclusion45 decks117 decks
37%synergy
Staff of Eden, Vault's Key
38%inclusion41 decks109 decks
37%synergy
Reito Lantern
35%inclusion41 decks117 decks
35%synergy
Swiftfoot Boots
23%inclusion27 decks117 decks
-8%synergy
Strionic Resonator
21%inclusion24 decks117 decks
19%synergy
Expedition Map
19%inclusion22 decks117 decks
7%synergy
Bontu's Monument
18%inclusion21 decks117 decks
-10%synergy
The Darkness Crystal
17%inclusion8 decks46 decks
-2%synergy
Lightning Greaves
15%inclusion18 decks117 decks
-18%synergy
Chaos Wand
14%inclusion16 decks117 decks
13%synergy
Manascape Refractor
10%inclusion12 decks117 decks
10%synergy
Portal to Phyrexia
9.4%inclusion11 decks117 decks
8%synergy
World Map
9.1%inclusion4 decks44 decks
7%synergy
Whip of Erebos
8.5%inclusion10 decks117 decks
-2%synergy
The Cauldron of Eternity
8.5%inclusion10 decks117 decks
8%synergy
Mindcrank
7.7%inclusion9 decks117 decks
2%synergy
Dream-Thief's Bandana
7.0%inclusion8 decks114 decks
6%synergy
Mask of Griselbrand
6.8%inclusion8 decks117 decks
3%synergy
Lithoform Engine
6.0%inclusion7 decks117 decks
5%synergy
Mimic Vat
6.0%inclusion7 decks117 decks
5%synergy
Nautiloid Ship
5.1%inclusion6 decks117 decks
5%synergy
Endless Atlas
5.1%inclusion6 decks117 decks
3%synergy
Enchantments
Court of Locthwain
41%inclusion48 decks117 decks
39%synergy
Phyrexian Arena
41%inclusion48 decks117 decks
1%synergy
Grave Betrayal
34%inclusion40 decks117 decks
32%synergy
The Eldest Reborn
27%inclusion32 decks117 decks
24%synergy
Black Market
24%inclusion28 decks117 decks
3%synergy
Animate Dead
22%inclusion26 decks117 decks
5%synergy
Black Market Connections
20%inclusion23 decks117 decks
-4%synergy
Meathook Massacre II
19%inclusion18 decks95 decks
12%synergy
Virtue of Persistence
19%inclusion22 decks117 decks
14%synergy
Hedonist's Trove
18%inclusion21 decks117 decks
18%synergy
Minion's Return
17%inclusion20 decks117 decks
16%synergy
No Mercy
10%inclusion12 decks117 decks
3%synergy
Greed
8.5%inclusion10 decks117 decks
1%synergy
Protection Racket
6.0%inclusion7 decks117 decks
5%synergy
The Cruelty of Gix
6.0%inclusion7 decks117 decks
4%synergy
The Meathook Massacre
5.1%inclusion6 decks117 decks
-12%synergy
Sothera, the Supervoid
5.1%inclusion2 decks39 decks
2%synergy
Underworld Connections
5.1%inclusion6 decks117 decks
3%synergy
Kaya's Ghostform
5.1%inclusion6 decks117 decks
-5%synergy
Planeswalkers
Liliana of the Dark Realms
18%inclusion21 decks117 decks
4%synergy
Tevesh Szat, Doom of Fools
5.1%inclusion6 decks117 decks
2%synergy
Utility Lands
Cabal Coffers
45%inclusion53 decks117 decks
-10%synergy
Bojuka Bog
39%inclusion46 decks117 decks
-8%synergy
Cabal Stronghold
37%inclusion43 decks117 decks
2%synergy
Urborg, Tomb of Yawgmoth
26%inclusion30 decks117 decks
-12%synergy
Witch's Cottage
25%inclusion29 decks117 decks
0%synergy
Temple of the False God
25%inclusion29 decks117 decks
17%synergy
Nykthos, Shrine to Nyx
24%inclusion28 decks117 decks
-6%synergy
War Room
24%inclusion28 decks117 decks
8%synergy
Reliquary Tower
21%inclusion24 decks117 decks
-10%synergy
Rogue's Passage
21%inclusion24 decks117 decks
2%synergy
Castle Locthwain
18%inclusion21 decks117 decks
1%synergy
Mortuary Mire
14%inclusion16 decks117 decks
0%synergy
Thespian's Stage
14%inclusion16 decks117 decks
8%synergy
Takenuma, Abandoned Mire
12%inclusion14 decks117 decks
-4%synergy
Barren Moor
9.4%inclusion11 decks117 decks
-1%synergy
Vesuva
9.4%inclusion11 decks117 decks
7%synergy
Midgar, City of Mako
9.3%inclusion4 decks43 decks
-2%synergy
Susur Secundi, Void Altar
8.3%inclusion3 decks36 decks
1%synergy
Command Beacon
7.7%inclusion9 decks117 decks
-1%synergy
Spymaster's Vault
6.2%inclusion7 decks113 decks
-3%synergy
Emergence Zone
6.0%inclusion7 decks117 decks
3%synergy
Havengul Laboratory
6.0%inclusion7 decks117 decks
6%synergy
Terrain Generator
6.0%inclusion7 decks117 decks
4%synergy
Phyrexian Tower
5.1%inclusion6 decks117 decks
-19%synergy
Everglades
5.1%inclusion6 decks117 decks
4%synergy
Secret Tunnel
5.0%inclusion1 decks20 decks
4%synergy
Mana Artifacts
Sol Ring
84%inclusion98 decks117 decks
-2%synergy
Arcane Signet
67%inclusion78 decks117 decks
4%synergy
Charcoal Diamond
61%inclusion71 decks117 decks
38%synergy
Mind Stone
60%inclusion70 decks117 decks
30%synergy
Thran Dynamo
43%inclusion50 decks117 decks
37%synergy
Thought Vessel
38%inclusion45 decks117 decks
12%synergy
Fellwar Stone
35%inclusion41 decks117 decks
20%synergy
Caged Sun
32%inclusion37 decks117 decks
20%synergy
Nyx Lotus
27%inclusion32 decks117 decks
21%synergy
Worn Powerstone
25%inclusion29 decks117 decks
20%synergy
Sceptre of Eternal Glory
23%inclusion27 decks117 decks
14%synergy
Commander's Sphere
22%inclusion26 decks117 decks
13%synergy
Vessel of Endless Rest
21%inclusion24 decks117 decks
20%synergy
Hedron Archive
19%inclusion22 decks117 decks
15%synergy
Everflowing Chalice
18%inclusion21 decks117 decks
12%synergy
Gauntlet of Power
16%inclusion19 decks117 decks
13%synergy
Gilded Lotus
15%inclusion18 decks117 decks
10%synergy
Throne of Eldraine
15%inclusion18 decks117 decks
5%synergy
The Soul Stone
14%inclusion5 decks35 decks
1%synergy
Extraplanar Lens
11%inclusion13 decks117 decks
6%synergy
Prismatic Lens
11%inclusion13 decks117 decks
9%synergy
Coldsteel Heart
6.8%inclusion8 decks117 decks
5%synergy
Chromatic Lantern
6.8%inclusion8 decks117 decks
6%synergy
Lands
Swamp
85%inclusion99 decks117 decks
-10%synergy
Myriad Landscape
53%inclusion62 decks117 decks
27%synergy
Fell the Profane
19%inclusion21 decks113 decks
0%synergy
Snow-Covered Swamp
18%inclusion21 decks117 decks
11%synergy
Hagra Mauling
11%inclusion13 decks117 decks
7%synergy
Malakir Rebirth
11%inclusion13 decks117 decks
-12%synergy
Urza's Cave
11%inclusion12 decks114 decks
2%synergy
Exotic Orchard
10%inclusion12 decks117 decks
9%synergy
Demolition Field
9.4%inclusion11 decks117 decks
4%synergy
Terramorphic Expanse
5.1%inclusion6 decks117 decks
3%synergy
Evolving Wilds
5.1%inclusion6 decks117 decks
2%synergy
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