Arvinox, the Mind Flail (Commander) - Upgraded

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,336
67decks
As CommanderAs CardAverage DeckDecks
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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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Aberrant Return
5.3%inclusion1 decks19 decks
5%synergy
Mornsong Aria
5.0%inclusion1 decks20 decks
3%synergy
High Synergy Cards
Brainstealer Dragon
78%inclusion52 decks67 decks
75%synergy
Elder Brain
72%inclusion48 decks67 decks
69%synergy
Gonti, Lord of Luxury
70%inclusion47 decks67 decks
67%synergy
Cunning Rhetoric
61%inclusion41 decks67 decks
59%synergy
Thieving Amalgam
60%inclusion40 decks67 decks
58%synergy
Breach the Multiverse
61%inclusion41 decks67 decks
55%synergy
Dauthi Voidwalker
67%inclusion45 decks67 decks
51%synergy
Intellect Devourer
51%inclusion34 decks67 decks
50%synergy
Gisa, Glorious Resurrector
54%inclusion36 decks67 decks
49%synergy
Nirkana Revenant
57%inclusion38 decks67 decks
45%synergy
Top Cards
Dark Ritual
88%inclusion59 decks67 decks
22%synergy
Crypt Ghast
85%inclusion57 decks67 decks
37%synergy
Jet Medallion
81%inclusion54 decks67 decks
20%synergy
Reanimate
72%inclusion48 decks67 decks
32%synergy
Gray Merchant of Asphodel
72%inclusion48 decks67 decks
20%synergy
Phyrexian Arena
55%inclusion37 decks67 decks
15%synergy
Feed the Swarm
55%inclusion37 decks67 decks
4%synergy
Sign in Blood
54%inclusion36 decks67 decks
18%synergy
Dread Presence
49%inclusion33 decks67 decks
35%synergy
Defile
49%inclusion33 decks67 decks
12%synergy
Game Changers
Opposition Agent
40%inclusion27 decks67 decks
31%synergy
Bolas's Citadel
37%inclusion25 decks67 decks
8%synergy
Demonic Tutor
24%inclusion16 decks67 decks
-4%synergy
Tergrid, God of Fright
24%inclusion16 decks67 decks
16%synergy
Necropotence
21%inclusion14 decks67 decks
6%synergy
Ancient Tomb
13%inclusion9 decks67 decks
2%synergy
Vampiric Tutor
9.0%inclusion6 decks67 decks
-12%synergy
The One Ring
6.0%inclusion4 decks67 decks
-4%synergy
Creatures
Solemn Simulacrum
48%inclusion32 decks67 decks
25%synergy
Geth, Lord of the Vault
46%inclusion31 decks67 decks
45%synergy
K'rrik, Son of Yawgmoth
42%inclusion28 decks67 decks
23%synergy
Sepulchral Primordial
39%inclusion26 decks67 decks
36%synergy
Junktroller
37%inclusion25 decks67 decks
37%synergy
Valgavoth, Terror Eater
37%inclusion25 decks67 decks
32%synergy
Magus of the Coffers
36%inclusion24 decks67 decks
29%synergy
Nashi, Moon Sage's Scion
36%inclusion24 decks67 decks
32%synergy
Thieving Varmint
34%inclusion23 decks67 decks
31%synergy
Gonti, Night Minister
33%inclusion21 decks63 decks
31%synergy
Gix, Yawgmoth Praetor
33%inclusion22 decks67 decks
28%synergy
Burnished Hart
31%inclusion21 decks67 decks
24%synergy
Reito Sentinel
30%inclusion20 decks67 decks
30%synergy
Tinybones, the Pickpocket
28%inclusion19 decks67 decks
23%synergy
Black Cat, Cunning Thief
26%inclusion10 decks38 decks
25%synergy
Crabomination
25%inclusion17 decks67 decks
24%synergy
Sheoldred, Whispering One
24%inclusion16 decks67 decks
12%synergy
Phyrexian Obliterator
22%inclusion15 decks67 decks
11%synergy
Bismuth Mindrender
22%inclusion15 decks67 decks
22%synergy
Morbid Opportunist
21%inclusion14 decks67 decks
-2%synergy
Plaguecrafter
19%inclusion13 decks67 decks
-1%synergy
Oblivion Sower
19%inclusion13 decks67 decks
19%synergy
Tinybones, Bauble Burglar
18%inclusion12 decks66 decks
15%synergy
Draugr Necromancer
18%inclusion12 decks67 decks
18%synergy
Rakshasa Debaser
18%inclusion12 decks67 decks
17%synergy
Hoarding Broodlord
18%inclusion12 decks67 decks
14%synergy
Lord of the Void
15%inclusion10 decks67 decks
13%synergy
Ancient Cellarspawn
15%inclusion10 decks67 decks
13%synergy
Accursed Marauder
13%inclusion9 decks67 decks
-8%synergy
Sheoldred, the Apocalypse
12%inclusion8 decks67 decks
-3%synergy
Author of Shadows
12%inclusion8 decks67 decks
11%synergy
Massacre Wurm
12%inclusion8 decks67 decks
-5%synergy
Keen Duelist
12%inclusion8 decks67 decks
10%synergy
Braids, Arisen Nightmare
12%inclusion8 decks67 decks
-7%synergy
Sheoldred
12%inclusion8 decks67 decks
6%synergy
Rev, Tithe Extractor
11%inclusion7 decks66 decks
9%synergy
Defiler of Flesh
10%inclusion7 decks67 decks
6%synergy
Ancient Brass Dragon
10%inclusion7 decks67 decks
9%synergy
Chainer, Dementia Master
10%inclusion7 decks67 decks
5%synergy
Wandering Archaic
10%inclusion7 decks67 decks
10%synergy
Abyssal Harvester
9.1%inclusion6 decks66 decks
5%synergy
Erebos, God of the Dead
9.0%inclusion6 decks67 decks
4%synergy
Nightmare Shepherd
9.0%inclusion6 decks67 decks
7%synergy
Lorcan, Warlock Collector
9.0%inclusion6 decks67 decks
9%synergy
Massacre Girl
7.5%inclusion5 decks67 decks
0%synergy
Kheru Mind-Eater
7.5%inclusion5 decks67 decks
7%synergy
Leaden Myr
7.5%inclusion5 decks67 decks
1%synergy
Puppeteer Clique
6.0%inclusion4 decks67 decks
5%synergy
Mutated Cultist
6.0%inclusion4 decks67 decks
6%synergy
Ravenous Chupacabra
6.0%inclusion4 decks67 decks
1%synergy
Instants
Withering Torment
43%inclusion29 decks67 decks
12%synergy
Stinging Study
40%inclusion27 decks67 decks
38%synergy
Infernal Grasp
36%inclusion24 decks67 decks
11%synergy
Outrageous Robbery
34%inclusion23 decks67 decks
32%synergy
Soul Shatter
30%inclusion20 decks67 decks
18%synergy
Sudden Spoiling
28%inclusion19 decks67 decks
19%synergy
Deadly Rollick
27%inclusion18 decks67 decks
3%synergy
Imp's Mischief
27%inclusion18 decks67 decks
3%synergy
Darkness
27%inclusion18 decks67 decks
17%synergy
Go for the Throat
25%inclusion17 decks67 decks
2%synergy
Baleful Mastery
25%inclusion17 decks67 decks
16%synergy
Consuming Corruption
25%inclusion17 decks67 decks
10%synergy
Fell the Profane
21%inclusion14 decks67 decks
2%synergy
Snuff Out
18%inclusion12 decks67 decks
5%synergy
Malakir Rebirth
18%inclusion12 decks67 decks
-5%synergy
Grim Return
18%inclusion12 decks67 decks
17%synergy
Doom Blade
13%inclusion9 decks67 decks
6%synergy
Force of Despair
13%inclusion9 decks67 decks
6%synergy
The Spot's Portal
13%inclusion5 decks38 decks
13%synergy
Cabal Ritual
12%inclusion8 decks67 decks
-6%synergy
Thrilling Encore
10%inclusion7 decks67 decks
9%synergy
Withering Boon
10%inclusion7 decks67 decks
6%synergy
Murder
9.0%inclusion6 decks67 decks
-1%synergy
Deadly Dispute
9.0%inclusion6 decks67 decks
-16%synergy
Tragic Slip
9.0%inclusion6 decks67 decks
-11%synergy
Hero's Downfall
7.5%inclusion5 decks67 decks
1%synergy
Village Rites
7.5%inclusion5 decks67 decks
-17%synergy
Hagra Mauling
7.5%inclusion5 decks67 decks
3%synergy
Culling the Weak
6.0%inclusion4 decks67 decks
-9%synergy
Sorceries
Night's Whisper
48%inclusion32 decks67 decks
23%synergy
Damnation
45%inclusion30 decks67 decks
24%synergy
Exsanguinate
42%inclusion28 decks67 decks
17%synergy
Toxic Deluge
39%inclusion26 decks67 decks
2%synergy
Rise of the Dark Realms
37%inclusion25 decks67 decks
25%synergy
Praetor's Grasp
34%inclusion23 decks67 decks
30%synergy
Bubbling Muck
33%inclusion22 decks67 decks
17%synergy
Heartless Conscription
33%inclusion22 decks67 decks
31%synergy
Dredge the Mire
30%inclusion20 decks67 decks
29%synergy
Mutilate
25%inclusion17 decks67 decks
7%synergy
Cruelclaw's Heist
25%inclusion17 decks67 decks
23%synergy
Torment of Hailfire
24%inclusion16 decks67 decks
8%synergy
Read the Bones
22%inclusion15 decks67 decks
5%synergy
Victimize
18%inclusion12 decks67 decks
-8%synergy
Blasphemous Edict
17%inclusion11 decks66 decks
0%synergy
Visions of Dread
16%inclusion11 decks67 decks
16%synergy
Beacon of Unrest
16%inclusion11 decks67 decks
12%synergy
Syphon Mind
15%inclusion10 decks67 decks
2%synergy
Diabolic Tutor
13%inclusion9 decks67 decks
-1%synergy
Insatiable Avarice
13%inclusion9 decks67 decks
1%synergy
Necromantic Selection
13%inclusion9 decks67 decks
11%synergy
Decree of Pain
13%inclusion9 decks67 decks
8%synergy
Profane Transfusion
12%inclusion8 decks67 decks
10%synergy
Xander's Pact
12%inclusion8 decks67 decks
12%synergy
Shadow of the Enemy
12%inclusion8 decks67 decks
11%synergy
Petty Larceny
10%inclusion7 decks67 decks
10%synergy
Profane Tutor
10%inclusion7 decks67 decks
6%synergy
Blood Money
10%inclusion7 decks67 decks
7%synergy
In Garruk's Wake
10%inclusion7 decks67 decks
6%synergy
Grim Tutor
10%inclusion7 decks67 decks
-1%synergy
Ambition's Cost
7.5%inclusion5 decks67 decks
4%synergy
Come Back Wrong
7.5%inclusion5 decks67 decks
5%synergy
Yawgmoth's Vile Offering
7.5%inclusion5 decks67 decks
7%synergy
Dead of Winter
7.5%inclusion5 decks67 decks
7%synergy
Extinguish All Hope
7.5%inclusion5 decks67 decks
7%synergy
Diabolic Intent
6.0%inclusion4 decks67 decks
-9%synergy
Blood on the Snow
6.0%inclusion4 decks67 decks
5%synergy
Agadeem's Awakening
6.0%inclusion4 decks67 decks
-1%synergy
Psychotic Episode
6.0%inclusion4 decks67 decks
6%synergy
Deadly Tempest
6.0%inclusion4 decks67 decks
4%synergy
Repay in Kind
6.0%inclusion4 decks67 decks
4%synergy
Sanguimancy
6.0%inclusion4 decks67 decks
6%synergy
Worst Fears
6.0%inclusion4 decks67 decks
6%synergy
Utility Artifacts
The Darkness Crystal
48%inclusion25 decks52 decks
28%synergy
Staff of Eden, Vault's Key
34%inclusion23 decks67 decks
33%synergy
Lightning Greaves
34%inclusion23 decks67 decks
1%synergy
Bontu's Monument
31%inclusion21 decks67 decks
3%synergy
Wayfarer's Bauble
28%inclusion19 decks67 decks
13%synergy
Swiftfoot Boots
27%inclusion18 decks67 decks
-5%synergy
Reito Lantern
27%inclusion18 decks67 decks
27%synergy
Expedition Map
25%inclusion17 decks67 decks
13%synergy
Whip of Erebos
21%inclusion14 decks67 decks
10%synergy
Realmbreaker, the Invasion Tree
16%inclusion11 decks67 decks
15%synergy
Strionic Resonator
15%inclusion10 decks67 decks
14%synergy
Portal to Phyrexia
13%inclusion9 decks67 decks
12%synergy
Nautiloid Ship
10%inclusion7 decks67 decks
10%synergy
Vedalken Orrery
9.0%inclusion6 decks67 decks
8%synergy
Chaos Wand
9.0%inclusion6 decks67 decks
9%synergy
Mask of Griselbrand
7.5%inclusion5 decks67 decks
4%synergy
Mindcrank
7.5%inclusion5 decks67 decks
2%synergy
Enchantments
Animate Dead
46%inclusion31 decks67 decks
29%synergy
Court of Locthwain
45%inclusion30 decks67 decks
43%synergy
Dead Man's Chest
39%inclusion26 decks67 decks
38%synergy
Grave Betrayal
37%inclusion25 decks67 decks
35%synergy
Black Market
36%inclusion24 decks67 decks
15%synergy
No Mercy
22%inclusion15 decks67 decks
15%synergy
Meathook Massacre II
19%inclusion13 decks67 decks
13%synergy
Black Market Connections
19%inclusion13 decks67 decks
-4%synergy
Virtue of Persistence
16%inclusion11 decks67 decks
11%synergy
Necromancy
13%inclusion9 decks67 decks
7%synergy
Oubliette
13%inclusion9 decks67 decks
10%synergy
Protection Racket
12%inclusion8 decks67 decks
11%synergy
The Eldest Reborn
12%inclusion8 decks67 decks
8%synergy
Heartless Summoning
12%inclusion8 decks67 decks
7%synergy
Exquisite Blood
10%inclusion7 decks67 decks
-3%synergy
The Meathook Massacre
9.0%inclusion6 decks67 decks
-8%synergy
Minion's Return
9.0%inclusion6 decks67 decks
8%synergy
Dance of the Dead
9.0%inclusion6 decks67 decks
5%synergy
The Cruelty of Gix
7.5%inclusion5 decks67 decks
6%synergy
Kaya's Ghostform
7.5%inclusion5 decks67 decks
-3%synergy
Parasitic Impetus
7.5%inclusion5 decks67 decks
7%synergy
Greed
6.0%inclusion4 decks67 decks
-1%synergy
Underworld Dreams
6.0%inclusion4 decks67 decks
0%synergy
Hedonist's Trove
6.0%inclusion4 decks67 decks
6%synergy
Parker Luck
5.1%inclusion2 decks39 decks
4%synergy
Planeswalkers
Liliana of the Dark Realms
40%inclusion27 decks67 decks
26%synergy
Liliana of the Veil
6.0%inclusion4 decks67 decks
-1%synergy
Tevesh Szat, Doom of Fools
6.0%inclusion4 decks67 decks
3%synergy
Liliana Vess
6.0%inclusion4 decks67 decks
3%synergy
Utility Lands
Cabal Coffers
87%inclusion58 decks67 decks
32%synergy
Cabal Stronghold
73%inclusion49 decks67 decks
38%synergy
Urborg, Tomb of Yawgmoth
58%inclusion39 decks67 decks
21%synergy
Nykthos, Shrine to Nyx
48%inclusion32 decks67 decks
18%synergy
Bojuka Bog
46%inclusion31 decks67 decks
-1%synergy
Reliquary Tower
37%inclusion25 decks67 decks
6%synergy
Castle Locthwain
33%inclusion22 decks67 decks
16%synergy
Witch's Cottage
30%inclusion20 decks67 decks
5%synergy
War Room
28%inclusion19 decks67 decks
12%synergy
Thespian's Stage
25%inclusion17 decks67 decks
20%synergy
Temple of the False God
24%inclusion16 decks67 decks
16%synergy
Takenuma, Abandoned Mire
22%inclusion15 decks67 decks
7%synergy
Phyrexian Tower
19%inclusion13 decks67 decks
-5%synergy
Command Beacon
18%inclusion12 decks67 decks
10%synergy
Rogue's Passage
16%inclusion11 decks67 decks
-2%synergy
Havengul Laboratory
13%inclusion9 decks67 decks
13%synergy
Maze of Ith
13%inclusion9 decks67 decks
10%synergy
Barren Moor
12%inclusion8 decks67 decks
2%synergy
Deserted Temple
12%inclusion8 decks67 decks
8%synergy
Susur Secundi, Void Altar
11%inclusion5 decks45 decks
4%synergy
Mortuary Mire
10%inclusion7 decks67 decks
-3%synergy
Crypt of Agadeem
10%inclusion7 decks67 decks
-1%synergy
Shizo, Death's Storehouse
10%inclusion7 decks67 decks
0%synergy
Emergence Zone
7.5%inclusion5 decks67 decks
4%synergy
Memorial to Folly
7.5%inclusion5 decks67 decks
4%synergy
Vesuva
7.5%inclusion5 decks67 decks
5%synergy
Geier Reach Sanitarium
7.5%inclusion5 decks67 decks
-4%synergy
Barad-dûr
6.0%inclusion4 decks67 decks
2%synergy
Dark Depths
6.0%inclusion4 decks67 decks
5%synergy
Mana Artifacts
Sol Ring
96%inclusion64 decks67 decks
9%synergy
Arcane Signet
67%inclusion45 decks67 decks
5%synergy
Thought Vessel
37%inclusion25 decks67 decks
11%synergy
Thran Dynamo
37%inclusion25 decks67 decks
31%synergy
Nyx Lotus
36%inclusion24 decks67 decks
29%synergy
Mind Stone
36%inclusion24 decks67 decks
6%synergy
Charcoal Diamond
31%inclusion21 decks67 decks
8%synergy
Fellwar Stone
27%inclusion18 decks67 decks
12%synergy
Caged Sun
22%inclusion15 decks67 decks
11%synergy
Sceptre of Eternal Glory
19%inclusion13 decks67 decks
11%synergy
Gilded Lotus
19%inclusion13 decks67 decks
14%synergy
Commander's Sphere
16%inclusion11 decks67 decks
7%synergy
Throne of Eldraine
15%inclusion10 decks67 decks
5%synergy
Vessel of Endless Rest
13%inclusion9 decks67 decks
13%synergy
Everflowing Chalice
12%inclusion8 decks67 decks
6%synergy
Worn Powerstone
12%inclusion8 decks67 decks
8%synergy
The Soul Stone
9.1%inclusion4 decks44 decks
-4%synergy
Hedron Archive
9.0%inclusion6 decks67 decks
5%synergy
Gauntlet of Power
7.5%inclusion5 decks67 decks
4%synergy
Extraplanar Lens
7.5%inclusion5 decks67 decks
2%synergy
Lands
Swamp
85%inclusion57 decks67 decks
-10%synergy
Myriad Landscape
49%inclusion33 decks67 decks
23%synergy
Fell the Profane
21%inclusion14 decks67 decks
2%synergy
Urza's Cave
19%inclusion13 decks67 decks
11%synergy
Malakir Rebirth
18%inclusion12 decks67 decks
-5%synergy
Snow-Covered Swamp
15%inclusion10 decks67 decks
8%synergy
Hagra Mauling
7.5%inclusion5 decks67 decks
3%synergy
Demolition Field
7.5%inclusion5 decks67 decks
2%synergy
Agadeem's Awakening
6.0%inclusion4 decks67 decks
-1%synergy
Command Tower
6.0%inclusion4 decks67 decks
0%synergy
Boggart Trawler
6.0%inclusion4 decks67 decks
-3%synergy
Exotic Orchard
6.0%inclusion4 decks67 decks
5%synergy
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