Arvinox, the Mind Flail (Commander) - Upgraded

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,326
61decks
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
8.3%inclusion1 decks12 decks
8%synergy
Mornsong Aria
7.7%inclusion1 decks13 decks
6%synergy
High Synergy Cards
Brainstealer Dragon
80%inclusion49 decks61 decks
77%synergy
Elder Brain
74%inclusion45 decks61 decks
71%synergy
Gonti, Lord of Luxury
69%inclusion42 decks61 decks
65%synergy
Cunning Rhetoric
61%inclusion37 decks61 decks
58%synergy
Thieving Amalgam
59%inclusion36 decks61 decks
58%synergy
Breach the Multiverse
62%inclusion38 decks61 decks
56%synergy
Intellect Devourer
54%inclusion33 decks61 decks
53%synergy
Dauthi Voidwalker
67%inclusion41 decks61 decks
51%synergy
Gisa, Glorious Resurrector
56%inclusion34 decks61 decks
51%synergy
Geth, Lord of the Vault
49%inclusion30 decks61 decks
48%synergy
Top Cards
Dark Ritual
90%inclusion55 decks61 decks
24%synergy
Crypt Ghast
87%inclusion53 decks61 decks
39%synergy
Jet Medallion
82%inclusion50 decks61 decks
21%synergy
Gray Merchant of Asphodel
72%inclusion44 decks61 decks
21%synergy
Reanimate
70%inclusion43 decks61 decks
31%synergy
Nirkana Revenant
59%inclusion36 decks61 decks
48%synergy
Feed the Swarm
59%inclusion36 decks61 decks
8%synergy
Sign in Blood
56%inclusion34 decks61 decks
20%synergy
Phyrexian Arena
56%inclusion34 decks61 decks
16%synergy
Defile
52%inclusion32 decks61 decks
15%synergy
Game Changers
Opposition Agent
43%inclusion26 decks61 decks
33%synergy
Bolas's Citadel
38%inclusion23 decks61 decks
9%synergy
Tergrid, God of Fright
26%inclusion16 decks61 decks
18%synergy
Demonic Tutor
23%inclusion14 decks61 decks
-5%synergy
Necropotence
23%inclusion14 decks61 decks
8%synergy
Ancient Tomb
10%inclusion6 decks61 decks
-2%synergy
Vampiric Tutor
10%inclusion6 decks61 decks
-11%synergy
The One Ring
6.6%inclusion4 decks61 decks
-3%synergy
Creatures
Dread Presence
51%inclusion31 decks61 decks
36%synergy
Solemn Simulacrum
49%inclusion30 decks61 decks
26%synergy
K'rrik, Son of Yawgmoth
43%inclusion26 decks61 decks
24%synergy
Sepulchral Primordial
39%inclusion24 decks61 decks
37%synergy
Nashi, Moon Sage's Scion
39%inclusion24 decks61 decks
35%synergy
Valgavoth, Terror Eater
39%inclusion24 decks61 decks
34%synergy
Magus of the Coffers
38%inclusion23 decks61 decks
31%synergy
Junktroller
38%inclusion23 decks61 decks
38%synergy
Gonti, Night Minister
37%inclusion21 decks57 decks
34%synergy
Gix, Yawgmoth Praetor
36%inclusion22 decks61 decks
31%synergy
Thieving Varmint
36%inclusion22 decks61 decks
33%synergy
Burnished Hart
33%inclusion20 decks61 decks
25%synergy
Tinybones, the Pickpocket
31%inclusion19 decks61 decks
26%synergy
Reito Sentinel
30%inclusion18 decks61 decks
29%synergy
Black Cat, Cunning Thief
28%inclusion9 decks32 decks
27%synergy
Crabomination
28%inclusion17 decks61 decks
27%synergy
Sheoldred, Whispering One
25%inclusion15 decks61 decks
13%synergy
Phyrexian Obliterator
23%inclusion14 decks61 decks
12%synergy
Bismuth Mindrender
21%inclusion13 decks61 decks
21%synergy
Morbid Opportunist
21%inclusion13 decks61 decks
-1%synergy
Plaguecrafter
21%inclusion13 decks61 decks
1%synergy
Oblivion Sower
21%inclusion13 decks61 decks
21%synergy
Tinybones, Bauble Burglar
20%inclusion12 decks60 decks
16%synergy
Hoarding Broodlord
20%inclusion12 decks61 decks
15%synergy
Draugr Necromancer
18%inclusion11 decks61 decks
18%synergy
Rakshasa Debaser
18%inclusion11 decks61 decks
17%synergy
Ancient Cellarspawn
16%inclusion10 decks61 decks
14%synergy
Lord of the Void
15%inclusion9 decks61 decks
13%synergy
Sheoldred, the Apocalypse
13%inclusion8 decks61 decks
-2%synergy
Massacre Wurm
13%inclusion8 decks61 decks
-4%synergy
Sheoldred
13%inclusion8 decks61 decks
7%synergy
Rev, Tithe Extractor
12%inclusion7 decks60 decks
10%synergy
Wandering Archaic
11%inclusion7 decks61 decks
11%synergy
Keen Duelist
11%inclusion7 decks61 decks
10%synergy
Chainer, Dementia Master
11%inclusion7 decks61 decks
6%synergy
Accursed Marauder
11%inclusion7 decks61 decks
-10%synergy
Ancient Brass Dragon
11%inclusion7 decks61 decks
10%synergy
Braids, Arisen Nightmare
11%inclusion7 decks61 decks
-8%synergy
Abyssal Harvester
10%inclusion6 decks60 decks
6%synergy
Erebos, God of the Dead
10%inclusion6 decks61 decks
5%synergy
Defiler of Flesh
10%inclusion6 decks61 decks
6%synergy
Author of Shadows
10%inclusion6 decks61 decks
9%synergy
Nightmare Shepherd
10%inclusion6 decks61 decks
8%synergy
Fleshbag Marauder
8.2%inclusion5 decks61 decks
-8%synergy
Massacre Girl
8.2%inclusion5 decks61 decks
1%synergy
Dream Devourer
6.6%inclusion4 decks61 decks
6%synergy
Nighthowler
6.6%inclusion4 decks61 decks
6%synergy
Boggart Trawler
6.6%inclusion4 decks61 decks
-2%synergy
Grim Hireling
6.6%inclusion4 decks61 decks
2%synergy
Twilight Prophet
6.6%inclusion4 decks61 decks
1%synergy
Instants
Withering Torment
43%inclusion26 decks61 decks
11%synergy
Stinging Study
38%inclusion23 decks61 decks
35%synergy
Outrageous Robbery
38%inclusion23 decks61 decks
36%synergy
Infernal Grasp
36%inclusion22 decks61 decks
11%synergy
Sudden Spoiling
28%inclusion17 decks61 decks
19%synergy
Go for the Throat
26%inclusion16 decks61 decks
3%synergy
Darkness
26%inclusion16 decks61 decks
17%synergy
Soul Shatter
26%inclusion16 decks61 decks
14%synergy
Baleful Mastery
26%inclusion16 decks61 decks
17%synergy
Imp's Mischief
25%inclusion15 decks61 decks
0%synergy
Consuming Corruption
25%inclusion15 decks61 decks
9%synergy
Deadly Rollick
23%inclusion14 decks61 decks
-1%synergy
Fell the Profane
20%inclusion12 decks61 decks
1%synergy
Snuff Out
18%inclusion11 decks61 decks
5%synergy
Malakir Rebirth
16%inclusion10 decks61 decks
-6%synergy
Grim Return
16%inclusion10 decks61 decks
15%synergy
Cabal Ritual
13%inclusion8 decks61 decks
-5%synergy
The Spot's Portal
13%inclusion4 decks32 decks
12%synergy
Force of Despair
11%inclusion7 decks61 decks
4%synergy
Withering Boon
11%inclusion7 decks61 decks
7%synergy
Doom Blade
11%inclusion7 decks61 decks
4%synergy
Deadly Dispute
10%inclusion6 decks61 decks
-15%synergy
Tragic Slip
10%inclusion6 decks61 decks
-11%synergy
Hagra Mauling
8.2%inclusion5 decks61 decks
4%synergy
Village Rites
8.2%inclusion5 decks61 decks
-17%synergy
Culling the Weak
6.6%inclusion4 decks61 decks
-9%synergy
Thrilling Encore
6.6%inclusion4 decks61 decks
5%synergy
Murder
6.6%inclusion4 decks61 decks
-4%synergy
Archenemy's Charm
5.1%inclusion2 decks39 decks
-4%synergy
Sorceries
Night's Whisper
51%inclusion31 decks61 decks
26%synergy
Damnation
43%inclusion26 decks61 decks
22%synergy
Exsanguinate
36%inclusion22 decks61 decks
12%synergy
Toxic Deluge
36%inclusion22 decks61 decks
-1%synergy
Rise of the Dark Realms
36%inclusion22 decks61 decks
23%synergy
Bubbling Muck
34%inclusion21 decks61 decks
19%synergy
Heartless Conscription
34%inclusion21 decks61 decks
33%synergy
Praetor's Grasp
33%inclusion20 decks61 decks
29%synergy
Dredge the Mire
30%inclusion18 decks61 decks
29%synergy
Cruelclaw's Heist
28%inclusion17 decks61 decks
25%synergy
Mutilate
23%inclusion14 decks61 decks
5%synergy
Read the Bones
21%inclusion13 decks61 decks
4%synergy
Torment of Hailfire
20%inclusion12 decks61 decks
4%synergy
Victimize
18%inclusion11 decks61 decks
-8%synergy
Blasphemous Edict
17%inclusion10 decks60 decks
0%synergy
Visions of Dread
16%inclusion10 decks61 decks
16%synergy
Diabolic Tutor
15%inclusion9 decks61 decks
0%synergy
Syphon Mind
15%inclusion9 decks61 decks
2%synergy
Xander's Pact
13%inclusion8 decks61 decks
13%synergy
Shadow of the Enemy
13%inclusion8 decks61 decks
13%synergy
Decree of Pain
13%inclusion8 decks61 decks
7%synergy
Necromantic Selection
13%inclusion8 decks61 decks
11%synergy
Profane Tutor
11%inclusion7 decks61 decks
7%synergy
Profane Transfusion
11%inclusion7 decks61 decks
10%synergy
Petty Larceny
11%inclusion7 decks61 decks
11%synergy
Blood Money
11%inclusion7 decks61 decks
8%synergy
Insatiable Avarice
11%inclusion7 decks61 decks
-1%synergy
Beacon of Unrest
11%inclusion7 decks61 decks
7%synergy
Come Back Wrong
8.2%inclusion5 decks61 decks
6%synergy
Dead of Winter
8.2%inclusion5 decks61 decks
7%synergy
Ambition's Cost
8.2%inclusion5 decks61 decks
5%synergy
In Garruk's Wake
8.2%inclusion5 decks61 decks
4%synergy
Extinguish All Hope
8.2%inclusion5 decks61 decks
8%synergy
Psychotic Episode
6.6%inclusion4 decks61 decks
6%synergy
Blood on the Snow
6.6%inclusion4 decks61 decks
5%synergy
Yawgmoth's Vile Offering
6.6%inclusion4 decks61 decks
6%synergy
Worst Fears
6.6%inclusion4 decks61 decks
6%synergy
Sanguimancy
6.6%inclusion4 decks61 decks
6%synergy
Deadly Tempest
6.6%inclusion4 decks61 decks
4%synergy
Grim Tutor
6.6%inclusion4 decks61 decks
-5%synergy
Utility Artifacts
The Darkness Crystal
48%inclusion22 decks46 decks
28%synergy
Staff of Eden, Vault's Key
36%inclusion22 decks61 decks
35%synergy
Lightning Greaves
34%inclusion21 decks61 decks
1%synergy
Bontu's Monument
31%inclusion19 decks61 decks
3%synergy
Wayfarer's Bauble
28%inclusion17 decks61 decks
12%synergy
Expedition Map
26%inclusion16 decks61 decks
14%synergy
Swiftfoot Boots
26%inclusion16 decks61 decks
-5%synergy
Reito Lantern
25%inclusion15 decks61 decks
24%synergy
Whip of Erebos
20%inclusion12 decks61 decks
9%synergy
Realmbreaker, the Invasion Tree
18%inclusion11 decks61 decks
17%synergy
Strionic Resonator
15%inclusion9 decks61 decks
13%synergy
Portal to Phyrexia
11%inclusion7 decks61 decks
10%synergy
Chaos Wand
10%inclusion6 decks61 decks
10%synergy
Nautiloid Ship
10%inclusion6 decks61 decks
10%synergy
Vedalken Orrery
10%inclusion6 decks61 decks
9%synergy
Mindcrank
6.6%inclusion4 decks61 decks
1%synergy
Mask of Griselbrand
6.6%inclusion4 decks61 decks
3%synergy
Enchantments
Court of Locthwain
48%inclusion29 decks61 decks
46%synergy
Animate Dead
44%inclusion27 decks61 decks
27%synergy
Dead Man's Chest
39%inclusion24 decks61 decks
39%synergy
Grave Betrayal
38%inclusion23 decks61 decks
35%synergy
Black Market
36%inclusion22 decks61 decks
15%synergy
Meathook Massacre II
21%inclusion13 decks61 decks
15%synergy
Black Market Connections
21%inclusion13 decks61 decks
-2%synergy
No Mercy
20%inclusion12 decks61 decks
12%synergy
Virtue of Persistence
16%inclusion10 decks61 decks
11%synergy
Protection Racket
13%inclusion8 decks61 decks
13%synergy
Necromancy
13%inclusion8 decks61 decks
7%synergy
Oubliette
13%inclusion8 decks61 decks
10%synergy
The Eldest Reborn
11%inclusion7 decks61 decks
8%synergy
Exquisite Blood
11%inclusion7 decks61 decks
-2%synergy
Heartless Summoning
11%inclusion7 decks61 decks
7%synergy
The Meathook Massacre
8.2%inclusion5 decks61 decks
-9%synergy
Dance of the Dead
8.2%inclusion5 decks61 decks
5%synergy
The Cruelty of Gix
8.2%inclusion5 decks61 decks
7%synergy
Minion's Return
8.2%inclusion5 decks61 decks
7%synergy
Parasitic Impetus
8.2%inclusion5 decks61 decks
7%synergy
Greed
6.6%inclusion4 decks61 decks
-1%synergy
Hedonist's Trove
6.6%inclusion4 decks61 decks
6%synergy
Kaya's Ghostform
6.6%inclusion4 decks61 decks
-4%synergy
Parker Luck
6.1%inclusion2 decks33 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
43%inclusion26 decks61 decks
29%synergy
Liliana of the Veil
6.6%inclusion4 decks61 decks
-1%synergy
Tevesh Szat, Doom of Fools
6.6%inclusion4 decks61 decks
3%synergy
Liliana Vess
6.6%inclusion4 decks61 decks
3%synergy
Utility Lands
Cabal Coffers
89%inclusion54 decks61 decks
34%synergy
Cabal Stronghold
77%inclusion47 decks61 decks
42%synergy
Urborg, Tomb of Yawgmoth
59%inclusion36 decks61 decks
21%synergy
Nykthos, Shrine to Nyx
49%inclusion30 decks61 decks
19%synergy
Bojuka Bog
48%inclusion29 decks61 decks
1%synergy
Reliquary Tower
39%inclusion24 decks61 decks
8%synergy
Castle Locthwain
34%inclusion21 decks61 decks
17%synergy
Witch's Cottage
30%inclusion18 decks61 decks
5%synergy
Thespian's Stage
28%inclusion17 decks61 decks
22%synergy
War Room
28%inclusion17 decks61 decks
11%synergy
Temple of the False God
25%inclusion15 decks61 decks
17%synergy
Takenuma, Abandoned Mire
21%inclusion13 decks61 decks
5%synergy
Phyrexian Tower
20%inclusion12 decks61 decks
-5%synergy
Command Beacon
18%inclusion11 decks61 decks
10%synergy
Rogue's Passage
18%inclusion11 decks61 decks
-1%synergy
Havengul Laboratory
15%inclusion9 decks61 decks
14%synergy
Maze of Ith
13%inclusion8 decks61 decks
10%synergy
Deserted Temple
13%inclusion8 decks61 decks
9%synergy
Shizo, Death's Storehouse
11%inclusion7 decks61 decks
1%synergy
Barren Moor
11%inclusion7 decks61 decks
1%synergy
Mortuary Mire
10%inclusion6 decks61 decks
-3%synergy
Crypt of Agadeem
10%inclusion6 decks61 decks
-1%synergy
Memorial to Folly
8.2%inclusion5 decks61 decks
5%synergy
Vesuva
8.2%inclusion5 decks61 decks
5%synergy
Geier Reach Sanitarium
8.2%inclusion5 decks61 decks
-3%synergy
Susur Secundi, Void Altar
7.7%inclusion3 decks39 decks
0%synergy
Emergence Zone
6.6%inclusion4 decks61 decks
3%synergy
Barad-dûr
6.6%inclusion4 decks61 decks
3%synergy
Dark Depths
6.6%inclusion4 decks61 decks
6%synergy
Mana Artifacts
Sol Ring
97%inclusion59 decks61 decks
11%synergy
Arcane Signet
67%inclusion41 decks61 decks
5%synergy
Nyx Lotus
39%inclusion24 decks61 decks
33%synergy
Mind Stone
38%inclusion23 decks61 decks
7%synergy
Thought Vessel
36%inclusion22 decks61 decks
9%synergy
Thran Dynamo
34%inclusion21 decks61 decks
28%synergy
Charcoal Diamond
33%inclusion20 decks61 decks
10%synergy
Fellwar Stone
28%inclusion17 decks61 decks
13%synergy
Caged Sun
21%inclusion13 decks61 decks
9%synergy
Sceptre of Eternal Glory
21%inclusion13 decks61 decks
12%synergy
Gilded Lotus
20%inclusion12 decks61 decks
14%synergy
Commander's Sphere
16%inclusion10 decks61 decks
7%synergy
Throne of Eldraine
16%inclusion10 decks61 decks
6%synergy
Everflowing Chalice
11%inclusion7 decks61 decks
6%synergy
Vessel of Endless Rest
11%inclusion7 decks61 decks
11%synergy
Worn Powerstone
10%inclusion6 decks61 decks
6%synergy
Gauntlet of Power
8.2%inclusion5 decks61 decks
5%synergy
Hedron Archive
8.2%inclusion5 decks61 decks
4%synergy
Extraplanar Lens
8.2%inclusion5 decks61 decks
3%synergy
The Soul Stone
5.3%inclusion2 decks38 decks
-8%synergy
Lands
Swamp
85%inclusion52 decks61 decks
-10%synergy
Myriad Landscape
51%inclusion31 decks61 decks
25%synergy
Fell the Profane
20%inclusion12 decks61 decks
1%synergy
Urza's Cave
20%inclusion12 decks61 decks
11%synergy
Malakir Rebirth
16%inclusion10 decks61 decks
-6%synergy
Snow-Covered Swamp
15%inclusion9 decks61 decks
8%synergy
Hagra Mauling
8.2%inclusion5 decks61 decks
4%synergy
Demolition Field
8.2%inclusion5 decks61 decks
3%synergy
Command Tower
6.6%inclusion4 decks61 decks
1%synergy
Exotic Orchard
6.6%inclusion4 decks61 decks
5%synergy
Boggart Trawler
6.6%inclusion4 decks61 decks
-2%synergy
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