Arvinox, the Mind Flail (Commander) - Upgraded

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,335
50decks
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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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Obsessive Pursuit
7.7%inclusion1 decks13 decks
6%synergy
High Synergy Cards
Brainstealer Dragon
80%inclusion40 decks50 decks
77%synergy
Elder Brain
72%inclusion36 decks50 decks
69%synergy
Gonti, Lord of Luxury
68%inclusion34 decks50 decks
65%synergy
Cunning Rhetoric
62%inclusion31 decks50 decks
60%synergy
Thieving Amalgam
58%inclusion29 decks50 decks
57%synergy
Breach the Multiverse
62%inclusion31 decks50 decks
56%synergy
Intellect Devourer
52%inclusion26 decks50 decks
51%synergy
Dauthi Voidwalker
66%inclusion33 decks50 decks
50%synergy
Gisa, Glorious Resurrector
52%inclusion26 decks50 decks
47%synergy
Nirkana Revenant
58%inclusion29 decks50 decks
46%synergy
Top Cards
Dark Ritual
88%inclusion44 decks50 decks
22%synergy
Crypt Ghast
84%inclusion42 decks50 decks
36%synergy
Jet Medallion
82%inclusion41 decks50 decks
22%synergy
Gray Merchant of Asphodel
74%inclusion37 decks50 decks
22%synergy
Reanimate
68%inclusion34 decks50 decks
29%synergy
Feed the Swarm
58%inclusion29 decks50 decks
7%synergy
Phyrexian Arena
58%inclusion29 decks50 decks
18%synergy
Night's Whisper
56%inclusion28 decks50 decks
32%synergy
Defile
54%inclusion27 decks50 decks
16%synergy
Sign in Blood
54%inclusion27 decks50 decks
18%synergy
Game Changers
Bolas's Citadel
40%inclusion20 decks50 decks
11%synergy
Opposition Agent
38%inclusion19 decks50 decks
28%synergy
Demonic Tutor
28%inclusion14 decks50 decks
0%synergy
Necropotence
26%inclusion13 decks50 decks
11%synergy
Tergrid, God of Fright
24%inclusion12 decks50 decks
16%synergy
Vampiric Tutor
12%inclusion6 decks50 decks
-10%synergy
Ancient Tomb
8.0%inclusion4 decks50 decks
-4%synergy
The One Ring
6.0%inclusion3 decks50 decks
-4%synergy
Creatures
Dread Presence
48%inclusion24 decks50 decks
33%synergy
Solemn Simulacrum
46%inclusion23 decks50 decks
22%synergy
Nashi, Moon Sage's Scion
44%inclusion22 decks50 decks
40%synergy
Geth, Lord of the Vault
44%inclusion22 decks50 decks
42%synergy
K'rrik, Son of Yawgmoth
42%inclusion21 decks50 decks
23%synergy
Sepulchral Primordial
40%inclusion20 decks50 decks
37%synergy
Junktroller
40%inclusion20 decks50 decks
40%synergy
Gix, Yawgmoth Praetor
38%inclusion19 decks50 decks
33%synergy
Gonti, Night Minister
37%inclusion17 decks46 decks
34%synergy
Thieving Varmint
36%inclusion18 decks50 decks
33%synergy
Burnished Hart
36%inclusion18 decks50 decks
28%synergy
Valgavoth, Terror Eater
36%inclusion18 decks50 decks
31%synergy
Black Cat, Cunning Thief
33%inclusion7 decks21 decks
32%synergy
Magus of the Coffers
30%inclusion15 decks50 decks
23%synergy
Reito Sentinel
30%inclusion15 decks50 decks
30%synergy
Tinybones, the Pickpocket
30%inclusion15 decks50 decks
25%synergy
Crabomination
26%inclusion13 decks50 decks
25%synergy
Tinybones, Bauble Burglar
24%inclusion12 decks49 decks
21%synergy
Sheoldred, Whispering One
24%inclusion12 decks50 decks
12%synergy
Bismuth Mindrender
24%inclusion12 decks50 decks
23%synergy
Hoarding Broodlord
20%inclusion10 decks50 decks
16%synergy
Morbid Opportunist
18%inclusion9 decks50 decks
-4%synergy
Draugr Necromancer
18%inclusion9 decks50 decks
18%synergy
Oblivion Sower
18%inclusion9 decks50 decks
18%synergy
Rakshasa Debaser
18%inclusion9 decks50 decks
17%synergy
Phyrexian Obliterator
16%inclusion8 decks50 decks
5%synergy
Rev, Tithe Extractor
14%inclusion7 decks49 decks
12%synergy
Plaguecrafter
14%inclusion7 decks50 decks
-6%synergy
Keen Duelist
14%inclusion7 decks50 decks
12%synergy
Lord of the Void
14%inclusion7 decks50 decks
12%synergy
Ancient Brass Dragon
14%inclusion7 decks50 decks
13%synergy
Ancient Cellarspawn
14%inclusion7 decks50 decks
12%synergy
Sheoldred
12%inclusion6 decks50 decks
5%synergy
Chainer, Dementia Master
12%inclusion6 decks50 decks
6%synergy
Sheoldred, the Apocalypse
12%inclusion6 decks50 decks
-3%synergy
Defiler of Flesh
12%inclusion6 decks50 decks
8%synergy
Wandering Archaic
12%inclusion6 decks50 decks
11%synergy
Nightmare Shepherd
12%inclusion6 decks50 decks
10%synergy
Abyssal Harvester
10%inclusion5 decks49 decks
6%synergy
Massacre Girl
10%inclusion5 decks50 decks
2%synergy
Accursed Marauder
10%inclusion5 decks50 decks
-11%synergy
Massacre Wurm
10%inclusion5 decks50 decks
-7%synergy
Braids, Arisen Nightmare
10%inclusion5 decks50 decks
-9%synergy
Grim Hireling
8.0%inclusion4 decks50 decks
3%synergy
Author of Shadows
8.0%inclusion4 decks50 decks
7%synergy
Kheru Mind-Eater
8.0%inclusion4 decks50 decks
8%synergy
Dream Devourer
8.0%inclusion4 decks50 decks
7%synergy
Hoverstone Pilgrim
8.0%inclusion4 decks50 decks
8%synergy
Mutated Cultist
8.0%inclusion4 decks50 decks
8%synergy
Lorcan, Warlock Collector
8.0%inclusion4 decks50 decks
8%synergy
Instants
Withering Torment
44%inclusion22 decks50 decks
13%synergy
Stinging Study
40%inclusion20 decks50 decks
37%synergy
Outrageous Robbery
38%inclusion19 decks50 decks
36%synergy
Infernal Grasp
34%inclusion17 decks50 decks
9%synergy
Sudden Spoiling
30%inclusion15 decks50 decks
20%synergy
Darkness
30%inclusion15 decks50 decks
21%synergy
Imp's Mischief
28%inclusion14 decks50 decks
4%synergy
Consuming Corruption
28%inclusion14 decks50 decks
12%synergy
Soul Shatter
28%inclusion14 decks50 decks
16%synergy
Baleful Mastery
26%inclusion13 decks50 decks
17%synergy
Go for the Throat
26%inclusion13 decks50 decks
3%synergy
Deadly Rollick
22%inclusion11 decks50 decks
-1%synergy
Snuff Out
20%inclusion10 decks50 decks
7%synergy
Fell the Profane
18%inclusion9 decks50 decks
-1%synergy
Grim Return
16%inclusion8 decks50 decks
15%synergy
The Spot's Portal
14%inclusion3 decks21 decks
14%synergy
Withering Boon
14%inclusion7 decks50 decks
9%synergy
Deadly Dispute
14%inclusion7 decks50 decks
-10%synergy
Doom Blade
14%inclusion7 decks50 decks
6%synergy
Malakir Rebirth
14%inclusion7 decks50 decks
-8%synergy
Force of Despair
14%inclusion7 decks50 decks
6%synergy
Tragic Slip
12%inclusion6 decks50 decks
-9%synergy
Cabal Ritual
12%inclusion6 decks50 decks
-6%synergy
Hagra Mauling
10%inclusion5 decks50 decks
5%synergy
Village Rites
10%inclusion5 decks50 decks
-14%synergy
Murder
8.0%inclusion4 decks50 decks
-2%synergy
Thrilling Encore
8.0%inclusion4 decks50 decks
6%synergy
Archenemy's Charm
7.1%inclusion2 decks28 decks
-2%synergy
Sheoldred's Edict
6.0%inclusion3 decks50 decks
-8%synergy
Culling the Weak
6.0%inclusion3 decks50 decks
-9%synergy
Slaughter Pact
6.0%inclusion3 decks50 decks
3%synergy
Bitter Triumph
6.0%inclusion3 decks50 decks
-4%synergy
Sorceries
Exsanguinate
38%inclusion19 decks50 decks
14%synergy
Damnation
38%inclusion19 decks50 decks
17%synergy
Bubbling Muck
38%inclusion19 decks50 decks
22%synergy
Heartless Conscription
36%inclusion18 decks50 decks
35%synergy
Toxic Deluge
36%inclusion18 decks50 decks
-1%synergy
Praetor's Grasp
34%inclusion17 decks50 decks
30%synergy
Cruelclaw's Heist
32%inclusion16 decks50 decks
29%synergy
Rise of the Dark Realms
32%inclusion16 decks50 decks
20%synergy
Dredge the Mire
30%inclusion15 decks50 decks
29%synergy
Mutilate
24%inclusion12 decks50 decks
5%synergy
Torment of Hailfire
22%inclusion11 decks50 decks
6%synergy
Read the Bones
22%inclusion11 decks50 decks
4%synergy
Syphon Mind
20%inclusion10 decks50 decks
7%synergy
Blasphemous Edict
18%inclusion9 decks49 decks
1%synergy
Visions of Dread
18%inclusion9 decks50 decks
18%synergy
Diabolic Tutor
18%inclusion9 decks50 decks
3%synergy
Victimize
18%inclusion9 decks50 decks
-8%synergy
Profane Transfusion
14%inclusion7 decks50 decks
12%synergy
Shadow of the Enemy
14%inclusion7 decks50 decks
13%synergy
Decree of Pain
14%inclusion7 decks50 decks
8%synergy
Xander's Pact
12%inclusion6 decks50 decks
12%synergy
Petty Larceny
12%inclusion6 decks50 decks
12%synergy
Insatiable Avarice
12%inclusion6 decks50 decks
0%synergy
Profane Tutor
12%inclusion6 decks50 decks
7%synergy
Beacon of Unrest
12%inclusion6 decks50 decks
8%synergy
Necromantic Selection
12%inclusion6 decks50 decks
10%synergy
Come Back Wrong
10%inclusion5 decks50 decks
7%synergy
Dead of Winter
10%inclusion5 decks50 decks
9%synergy
Ambition's Cost
10%inclusion5 decks50 decks
7%synergy
Yawgmoth's Vile Offering
8.0%inclusion4 decks50 decks
7%synergy
Sanguimancy
8.0%inclusion4 decks50 decks
8%synergy
Blood on the Snow
8.0%inclusion4 decks50 decks
7%synergy
Blood Money
8.0%inclusion4 decks50 decks
5%synergy
Extinguish All Hope
8.0%inclusion4 decks50 decks
8%synergy
Repay in Kind
6.0%inclusion3 decks50 decks
4%synergy
Damnable Pact
6.0%inclusion3 decks50 decks
2%synergy
Ancient Craving
6.0%inclusion3 decks50 decks
4%synergy
Deadly Tempest
6.0%inclusion3 decks50 decks
4%synergy
Incarnation Technique
6.0%inclusion3 decks50 decks
5%synergy
Agadeem's Awakening
6.0%inclusion3 decks50 decks
-1%synergy
Dark Petition
6.0%inclusion3 decks50 decks
2%synergy
In Garruk's Wake
6.0%inclusion3 decks50 decks
2%synergy
Beseech the Mirror
6.0%inclusion3 decks50 decks
-1%synergy
Grim Tutor
6.0%inclusion3 decks50 decks
-6%synergy
Utility Artifacts
The Darkness Crystal
40%inclusion14 decks35 decks
20%synergy
Lightning Greaves
36%inclusion18 decks50 decks
2%synergy
Staff of Eden, Vault's Key
34%inclusion17 decks50 decks
33%synergy
Bontu's Monument
28%inclusion14 decks50 decks
0%synergy
Swiftfoot Boots
28%inclusion14 decks50 decks
-4%synergy
Reito Lantern
26%inclusion13 decks50 decks
26%synergy
Wayfarer's Bauble
26%inclusion13 decks50 decks
10%synergy
Expedition Map
20%inclusion10 decks50 decks
7%synergy
Realmbreaker, the Invasion Tree
18%inclusion9 decks50 decks
17%synergy
Whip of Erebos
16%inclusion8 decks50 decks
5%synergy
Strionic Resonator
16%inclusion8 decks50 decks
15%synergy
Portal to Phyrexia
14%inclusion7 decks50 decks
12%synergy
Chaos Wand
12%inclusion6 decks50 decks
12%synergy
Vedalken Orrery
12%inclusion6 decks50 decks
11%synergy
Nautiloid Ship
8.0%inclusion4 decks50 decks
8%synergy
Mask of Griselbrand
8.0%inclusion4 decks50 decks
5%synergy
Dream-Thief's Bandana
6.0%inclusion3 decks50 decks
5%synergy
Mindcrank
6.0%inclusion3 decks50 decks
0%synergy
Aetherflux Reservoir
6.0%inclusion3 decks50 decks
-4%synergy
World Map
5.9%inclusion2 decks34 decks
4%synergy
Enchantments
Animate Dead
50%inclusion25 decks50 decks
32%synergy
Court of Locthwain
46%inclusion23 decks50 decks
44%synergy
Dead Man's Chest
40%inclusion20 decks50 decks
39%synergy
Black Market
36%inclusion18 decks50 decks
15%synergy
Grave Betrayal
32%inclusion16 decks50 decks
29%synergy
Black Market Connections
22%inclusion11 decks50 decks
-1%synergy
No Mercy
22%inclusion11 decks50 decks
15%synergy
Meathook Massacre II
20%inclusion10 decks50 decks
13%synergy
Virtue of Persistence
18%inclusion9 decks50 decks
12%synergy
Necromancy
16%inclusion8 decks50 decks
10%synergy
Oubliette
16%inclusion8 decks50 decks
13%synergy
Protection Racket
14%inclusion7 decks50 decks
13%synergy
The Eldest Reborn
12%inclusion6 decks50 decks
8%synergy
Exquisite Blood
10%inclusion5 decks50 decks
-3%synergy
Dance of the Dead
10%inclusion5 decks50 decks
6%synergy
The Cruelty of Gix
10%inclusion5 decks50 decks
8%synergy
Heartless Summoning
10%inclusion5 decks50 decks
5%synergy
Parker Luck
9.1%inclusion2 decks22 decks
8%synergy
The Meathook Massacre
8.0%inclusion4 decks50 decks
-9%synergy
Kaya's Ghostform
8.0%inclusion4 decks50 decks
-2%synergy
Vow of Torment
6.0%inclusion3 decks50 decks
6%synergy
Court of Ambition
6.0%inclusion3 decks50 decks
2%synergy
Minion's Return
6.0%inclusion3 decks50 decks
5%synergy
Greed
6.0%inclusion3 decks50 decks
-1%synergy
Tinybones Joins Up
6.0%inclusion3 decks50 decks
1%synergy
Hedonist's Trove
6.0%inclusion3 decks50 decks
6%synergy
Painful Quandary
6.0%inclusion3 decks50 decks
-4%synergy
Parasitic Impetus
6.0%inclusion3 decks50 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
42%inclusion21 decks50 decks
28%synergy
Tevesh Szat, Doom of Fools
8.0%inclusion4 decks50 decks
5%synergy
Liliana Vess
8.0%inclusion4 decks50 decks
5%synergy
Liliana of the Veil
6.0%inclusion3 decks50 decks
-1%synergy
Sorin Markov
6.0%inclusion3 decks50 decks
3%synergy
Utility Lands
Cabal Coffers
90%inclusion45 decks50 decks
35%synergy
Cabal Stronghold
74%inclusion37 decks50 decks
38%synergy
Urborg, Tomb of Yawgmoth
62%inclusion31 decks50 decks
24%synergy
Nykthos, Shrine to Nyx
48%inclusion24 decks50 decks
18%synergy
Bojuka Bog
44%inclusion22 decks50 decks
-3%synergy
Castle Locthwain
40%inclusion20 decks50 decks
22%synergy
Reliquary Tower
36%inclusion18 decks50 decks
5%synergy
War Room
28%inclusion14 decks50 decks
11%synergy
Thespian's Stage
28%inclusion14 decks50 decks
22%synergy
Takenuma, Abandoned Mire
26%inclusion13 decks50 decks
10%synergy
Temple of the False God
26%inclusion13 decks50 decks
18%synergy
Witch's Cottage
24%inclusion12 decks50 decks
-1%synergy
Rogue's Passage
18%inclusion9 decks50 decks
0%synergy
Maze of Ith
16%inclusion8 decks50 decks
13%synergy
Phyrexian Tower
16%inclusion8 decks50 decks
-8%synergy
Command Beacon
16%inclusion8 decks50 decks
8%synergy
Shizo, Death's Storehouse
12%inclusion6 decks50 decks
2%synergy
Crypt of Agadeem
12%inclusion6 decks50 decks
1%synergy
Barren Moor
12%inclusion6 decks50 decks
1%synergy
Deserted Temple
12%inclusion6 decks50 decks
8%synergy
Havengul Laboratory
12%inclusion6 decks50 decks
12%synergy
Mortuary Mire
10%inclusion5 decks50 decks
-3%synergy
Memorial to Folly
8.0%inclusion4 decks50 decks
5%synergy
Dark Depths
8.0%inclusion4 decks50 decks
7%synergy
Vesuva
8.0%inclusion4 decks50 decks
5%synergy
Susur Secundi, Void Altar
7.1%inclusion2 decks28 decks
-1%synergy
Geier Reach Sanitarium
6.0%inclusion3 decks50 decks
-6%synergy
Barad-dûr
6.0%inclusion3 decks50 decks
2%synergy
Spymaster's Vault
6.0%inclusion3 decks50 decks
-4%synergy
Emergence Zone
6.0%inclusion3 decks50 decks
3%synergy
Mana Artifacts
Sol Ring
96%inclusion48 decks50 decks
10%synergy
Arcane Signet
64%inclusion32 decks50 decks
2%synergy
Nyx Lotus
40%inclusion20 decks50 decks
33%synergy
Mind Stone
38%inclusion19 decks50 decks
7%synergy
Thought Vessel
34%inclusion17 decks50 decks
7%synergy
Thran Dynamo
34%inclusion17 decks50 decks
28%synergy
Fellwar Stone
28%inclusion14 decks50 decks
13%synergy
Charcoal Diamond
28%inclusion14 decks50 decks
5%synergy
Commander's Sphere
20%inclusion10 decks50 decks
11%synergy
Gilded Lotus
20%inclusion10 decks50 decks
14%synergy
Sceptre of Eternal Glory
20%inclusion10 decks50 decks
11%synergy
Caged Sun
18%inclusion9 decks50 decks
6%synergy
Vessel of Endless Rest
18%inclusion9 decks50 decks
18%synergy
Throne of Eldraine
16%inclusion8 decks50 decks
5%synergy
Everflowing Chalice
14%inclusion7 decks50 decks
8%synergy
Hedron Archive
10%inclusion5 decks50 decks
6%synergy
Extraplanar Lens
10%inclusion5 decks50 decks
5%synergy
Worn Powerstone
10%inclusion5 decks50 decks
6%synergy
Gauntlet of Power
8.0%inclusion4 decks50 decks
4%synergy
Coldsteel Heart
6.0%inclusion3 decks50 decks
4%synergy
Lands
Swamp
84%inclusion42 decks50 decks
-11%synergy
Myriad Landscape
54%inclusion27 decks50 decks
27%synergy
Urza's Cave
20%inclusion10 decks50 decks
11%synergy
Fell the Profane
18%inclusion9 decks50 decks
-1%synergy
Snow-Covered Swamp
16%inclusion8 decks50 decks
9%synergy
Malakir Rebirth
14%inclusion7 decks50 decks
-8%synergy
Hagra Mauling
10%inclusion5 decks50 decks
5%synergy
Exotic Orchard
8.0%inclusion4 decks50 decks
7%synergy
Demolition Field
8.0%inclusion4 decks50 decks
3%synergy
Boggart Trawler
6.0%inclusion3 decks50 decks
-3%synergy
Evolving Wilds
6.0%inclusion3 decks50 decks
2%synergy
Command Tower
6.0%inclusion3 decks50 decks
1%synergy
Agadeem's Awakening
6.0%inclusion3 decks50 decks
-1%synergy
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