Arvinox, the Mind Flail (Commander) - Upgraded

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,498
92decks
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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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18%inclusion2 decks11 decks
16%synergy
Supper for Spiders
6.7%inclusion1 decks15 decks
6%synergy
Gollum, Riddle Master
6.7%inclusion1 decks15 decks
6%synergy
High Synergy Cards
Brainstealer Dragon
82%inclusion75 decks92 decks
79%synergy
Gonti, Lord of Luxury
74%inclusion68 decks92 decks
71%synergy
Elder Brain
71%inclusion65 decks92 decks
68%synergy
Cunning Rhetoric
65%inclusion60 decks92 decks
63%synergy
Breach the Multiverse
63%inclusion58 decks92 decks
57%synergy
Thieving Amalgam
57%inclusion52 decks92 decks
55%synergy
Intellect Devourer
55%inclusion51 decks92 decks
55%synergy
Dauthi Voidwalker
68%inclusion63 decks92 decks
53%synergy
Court of Locthwain
53%inclusion49 decks92 decks
51%synergy
Gisa, Glorious Resurrector
55%inclusion51 decks92 decks
51%synergy
Top Cards
Dark Ritual
80%inclusion74 decks92 decks
13%synergy
Crypt Ghast
79%inclusion73 decks92 decks
33%synergy
Jet Medallion
75%inclusion69 decks92 decks
13%synergy
Reanimate
66%inclusion61 decks92 decks
25%synergy
Gray Merchant of Asphodel
65%inclusion60 decks92 decks
15%synergy
Nirkana Revenant
54%inclusion50 decks92 decks
44%synergy
Feed the Swarm
54%inclusion50 decks92 decks
4%synergy
Phyrexian Arena
52%inclusion48 decks92 decks
13%synergy
The Darkness Crystal
50%inclusion39 decks78 decks
30%synergy
Dread Presence
49%inclusion45 decks92 decks
36%synergy
Game Changers
Opposition Agent
36%inclusion33 decks92 decks
27%synergy
Bolas's Citadel
34%inclusion31 decks92 decks
6%synergy
Demonic Tutor
25%inclusion23 decks92 decks
-2%synergy
Tergrid, God of Fright
24%inclusion22 decks92 decks
17%synergy
Necropotence
16%inclusion15 decks92 decks
2%synergy
Ancient Tomb
12%inclusion11 decks92 decks
0%synergy
Vampiric Tutor
8.7%inclusion8 decks92 decks
-12%synergy
Creatures
Geth, Lord of the Vault
47%inclusion43 decks92 decks
45%synergy
Solemn Simulacrum
42%inclusion39 decks92 decks
22%synergy
K'rrik, Son of Yawgmoth
42%inclusion39 decks92 decks
23%synergy
Gonti, Night Minister
42%inclusion37 decks88 decks
39%synergy
Sepulchral Primordial
39%inclusion36 decks92 decks
37%synergy
Thieving Varmint
39%inclusion36 decks92 decks
36%synergy
Magus of the Coffers
36%inclusion33 decks92 decks
30%synergy
Valgavoth, Terror Eater
36%inclusion33 decks92 decks
30%synergy
Junktroller
34%inclusion31 decks92 decks
34%synergy
Nashi, Moon Sage's Scion
32%inclusion29 decks92 decks
28%synergy
Tinybones, the Pickpocket
29%inclusion27 decks92 decks
24%synergy
Burnished Hart
29%inclusion27 decks92 decks
23%synergy
Black Cat, Cunning Thief
27%inclusion18 decks66 decks
26%synergy
Crabomination
27%inclusion25 decks92 decks
26%synergy
Gix, Yawgmoth Praetor
27%inclusion25 decks92 decks
22%synergy
Reito Sentinel
27%inclusion25 decks92 decks
27%synergy
Sheoldred, Whispering One
23%inclusion21 decks92 decks
11%synergy
Tinybones, Bauble Burglar
20%inclusion18 decks91 decks
16%synergy
Bismuth Mindrender
20%inclusion18 decks92 decks
19%synergy
Hoarding Broodlord
18%inclusion17 decks92 decks
14%synergy
Morbid Opportunist
18%inclusion17 decks92 decks
-6%synergy
Phyrexian Obliterator
18%inclusion17 decks92 decks
7%synergy
Oblivion Sower
18%inclusion17 decks92 decks
18%synergy
Rakshasa Debaser
18%inclusion17 decks92 decks
18%synergy
Plaguecrafter
16%inclusion15 decks92 decks
-4%synergy
Lord of the Void
16%inclusion15 decks92 decks
15%synergy
Draugr Necromancer
16%inclusion15 decks92 decks
16%synergy
Ancient Cellarspawn
15%inclusion14 decks92 decks
13%synergy
Rev, Tithe Extractor
14%inclusion13 decks91 decks
12%synergy
Braids, Arisen Nightmare
14%inclusion13 decks92 decks
-6%synergy
Author of Shadows
13%inclusion12 decks92 decks
13%synergy
Sheoldred
13%inclusion12 decks92 decks
8%synergy
Kheru Mind-Eater
12%inclusion11 decks92 decks
12%synergy
Sheoldred, the Apocalypse
11%inclusion10 decks92 decks
-4%synergy
Defiler of Flesh
11%inclusion10 decks92 decks
7%synergy
Wandering Archaic
11%inclusion10 decks92 decks
10%synergy
Liliana, Heretical Healer
11%inclusion10 decks92 decks
8%synergy
Accursed Marauder
11%inclusion10 decks92 decks
-11%synergy
Erebos, God of the Dead
8.7%inclusion8 decks92 decks
4%synergy
Ancient Brass Dragon
8.7%inclusion8 decks92 decks
8%synergy
Leaden Myr
8.7%inclusion8 decks92 decks
3%synergy
Abyssal Harvester
7.7%inclusion7 decks91 decks
4%synergy
Ardyn, the Usurper
7.7%inclusion6 decks78 decks
5%synergy
Grave Researcher
7.7%inclusion3 decks39 decks
-0%synergy
Black Widow, Super Spy
7.7%inclusion2 decks26 decks
7%synergy
Lorcan, Warlock Collector
7.6%inclusion7 decks92 decks
7%synergy
Junji, the Midnight Sky
7.6%inclusion7 decks92 decks
2%synergy
Massacre Wurm
7.6%inclusion7 decks92 decks
-10%synergy
Keen Duelist
7.6%inclusion7 decks92 decks
6%synergy
Nightmare Shepherd
7.6%inclusion7 decks92 decks
6%synergy
Instants
Defile
49%inclusion45 decks92 decks
14%synergy
Withering Torment
48%inclusion44 decks92 decks
16%synergy
Infernal Grasp
36%inclusion33 decks92 decks
11%synergy
Outrageous Robbery
34%inclusion31 decks92 decks
32%synergy
Stinging Study
29%inclusion27 decks92 decks
27%synergy
Imp's Mischief
28%inclusion26 decks92 decks
3%synergy
Soul Shatter
26%inclusion24 decks92 decks
15%synergy
Baleful Mastery
25%inclusion23 decks92 decks
17%synergy
Fell the Profane
24%inclusion22 decks92 decks
4%synergy
Consuming Corruption
24%inclusion22 decks92 decks
9%synergy
Malakir Rebirth
24%inclusion22 decks92 decks
0%synergy
Deadly Rollick
23%inclusion21 decks92 decks
-3%synergy
Go for the Throat
23%inclusion21 decks92 decks
0%synergy
Sudden Spoiling
23%inclusion21 decks92 decks
15%synergy
Darkness
22%inclusion20 decks92 decks
11%synergy
Force of Despair
16%inclusion15 decks92 decks
9%synergy
Grim Return
16%inclusion15 decks92 decks
15%synergy
Doom Blade
14%inclusion13 decks92 decks
7%synergy
Cabal Ritual
14%inclusion13 decks92 decks
-5%synergy
Snuff Out
12%inclusion11 decks92 decks
-2%synergy
Deadly Dispute
12%inclusion11 decks92 decks
-15%synergy
The Spot's Portal
11%inclusion7 decks66 decks
10%synergy
Hero's Downfall
10%inclusion9 decks92 decks
3%synergy
Sheoldred's Edict
10%inclusion9 decks92 decks
-5%synergy
Thrilling Encore
10%inclusion9 decks92 decks
8%synergy
Withering Boon
10%inclusion9 decks92 decks
5%synergy
Hagra Mauling
7.6%inclusion7 decks92 decks
3%synergy
Murder
7.6%inclusion7 decks92 decks
-2%synergy
Village Rites
6.5%inclusion6 decks92 decks
-19%synergy
Tragic Slip
6.5%inclusion6 decks92 decks
-12%synergy
Archenemy's Charm
5.6%inclusion4 decks71 decks
-3%synergy
Culling the Weak
5.4%inclusion5 decks92 decks
-13%synergy
Sorceries
Sign in Blood
49%inclusion45 decks92 decks
14%synergy
Damnation
43%inclusion40 decks92 decks
23%synergy
Rise of the Dark Realms
42%inclusion39 decks92 decks
29%synergy
Night's Whisper
39%inclusion36 decks92 decks
14%synergy
Exsanguinate
39%inclusion36 decks92 decks
14%synergy
Toxic Deluge
35%inclusion32 decks92 decks
-2%synergy
Dredge the Mire
34%inclusion31 decks92 decks
33%synergy
Bubbling Muck
34%inclusion31 decks92 decks
18%synergy
Cruelclaw's Heist
33%inclusion30 decks92 decks
30%synergy
Heartless Conscription
32%inclusion29 decks92 decks
30%synergy
Praetor's Grasp
27%inclusion25 decks92 decks
23%synergy
Torment of Hailfire
26%inclusion24 decks92 decks
11%synergy
Mutilate
21%inclusion19 decks92 decks
5%synergy
Decorum Dissertation
19%inclusion7 decks37 decks
13%synergy
Visions of Dread
17%inclusion16 decks92 decks
17%synergy
Read the Bones
17%inclusion16 decks92 decks
2%synergy
Blasphemous Edict
15%inclusion14 decks91 decks
-0%synergy
Victimize
15%inclusion14 decks92 decks
-13%synergy
Beacon of Unrest
15%inclusion14 decks92 decks
12%synergy
Diabolic Tutor
14%inclusion13 decks92 decks
1%synergy
Blood Money
14%inclusion13 decks92 decks
11%synergy
Grim Tutor
14%inclusion13 decks92 decks
3%synergy
Syphon Mind
13%inclusion12 decks92 decks
1%synergy
Xander's Pact
12%inclusion11 decks92 decks
12%synergy
Shadow of the Enemy
11%inclusion10 decks92 decks
10%synergy
Decree of Pain
11%inclusion10 decks92 decks
6%synergy
Insatiable Avarice
10%inclusion9 decks92 decks
-1%synergy
In Garruk's Wake
8.7%inclusion8 decks92 decks
5%synergy
Necromantic Selection
8.7%inclusion8 decks92 decks
7%synergy
Profane Tutor
7.6%inclusion7 decks92 decks
4%synergy
Profane Transfusion
7.6%inclusion7 decks92 decks
6%synergy
Predators' Hour
7.6%inclusion7 decks92 decks
6%synergy
Petty Larceny
7.6%inclusion7 decks92 decks
7%synergy
Extinguish All Hope
7.6%inclusion7 decks92 decks
7%synergy
Come Back Wrong
6.5%inclusion6 decks92 decks
4%synergy
Yawgmoth's Vile Offering
6.5%inclusion6 decks92 decks
6%synergy
Sanguimancy
6.5%inclusion6 decks92 decks
6%synergy
Afterlife from the Loam
5.9%inclusion5 decks85 decks
5%synergy
Psychotic Episode
5.4%inclusion5 decks92 decks
5%synergy
Blood on the Snow
5.4%inclusion5 decks92 decks
4%synergy
Dead of Winter
5.4%inclusion5 decks92 decks
5%synergy
Agadeem's Awakening
5.4%inclusion5 decks92 decks
-2%synergy
Ambition's Cost
5.4%inclusion5 decks92 decks
3%synergy
Ashen Powder
5.4%inclusion5 decks92 decks
5%synergy
Utility Artifacts
Bontu's Monument
35%inclusion32 decks92 decks
7%synergy
Staff of Eden, Vault's Key
30%inclusion28 decks92 decks
29%synergy
Lightning Greaves
30%inclusion28 decks92 decks
-3%synergy
Wayfarer's Bauble
25%inclusion23 decks92 decks
11%synergy
Reito Lantern
25%inclusion23 decks92 decks
25%synergy
Swiftfoot Boots
24%inclusion22 decks92 decks
-8%synergy
Expedition Map
22%inclusion20 decks92 decks
11%synergy
Whip of Erebos
21%inclusion19 decks92 decks
10%synergy
Realmbreaker, the Invasion Tree
14%inclusion13 decks92 decks
13%synergy
Strionic Resonator
14%inclusion13 decks92 decks
13%synergy
Portal to Phyrexia
11%inclusion10 decks92 decks
9%synergy
Mindcrank
11%inclusion10 decks92 decks
6%synergy
Chaos Wand
8.7%inclusion8 decks92 decks
8%synergy
The Cauldron of Eternity
8.7%inclusion8 decks92 decks
8%synergy
Nautiloid Ship
7.6%inclusion7 decks92 decks
7%synergy
Dream-Thief's Bandana
6.5%inclusion6 decks92 decks
6%synergy
Vedalken Orrery
6.5%inclusion6 decks92 decks
6%synergy
Fishing Gear
6.2%inclusion4 decks65 decks
6%synergy
Commander's Plate
5.4%inclusion5 decks92 decks
-1%synergy
Enchantments
Black Market
43%inclusion40 decks92 decks
23%synergy
Animate Dead
43%inclusion40 decks92 decks
26%synergy
Dead Man's Chest
42%inclusion39 decks92 decks
42%synergy
Grave Betrayal
33%inclusion30 decks92 decks
30%synergy
Black Market Connections
26%inclusion24 decks92 decks
1%synergy
No Mercy
23%inclusion21 decks92 decks
15%synergy
Changing Loyalty
21%inclusion8 decks38 decks
20%synergy
Virtue of Persistence
21%inclusion19 decks92 decks
16%synergy
Meathook Massacre II
16%inclusion15 decks92 decks
10%synergy
Minion's Return
14%inclusion13 decks92 decks
13%synergy
Necromancy
13%inclusion12 decks92 decks
7%synergy
Exquisite Blood
12%inclusion11 decks92 decks
-1%synergy
Oubliette
12%inclusion11 decks92 decks
9%synergy
Heartless Summoning
12%inclusion11 decks92 decks
7%synergy
Kaya's Ghostform
10%inclusion9 decks92 decks
-0%synergy
The Cruelty of Gix
8.7%inclusion8 decks92 decks
7%synergy
Protection Racket
8.7%inclusion8 decks92 decks
8%synergy
The Meathook Massacre
7.6%inclusion7 decks92 decks
-10%synergy
The Eldest Reborn
7.6%inclusion7 decks92 decks
4%synergy
Mornsong Aria
5.5%inclusion3 decks55 decks
4%synergy
Dance of the Dead
5.4%inclusion5 decks92 decks
2%synergy
Greed
5.4%inclusion5 decks92 decks
-1%synergy
Hedonist's Trove
5.4%inclusion5 decks92 decks
5%synergy
Painful Quandary
5.4%inclusion5 decks92 decks
-5%synergy
Planeswalkers
Liliana of the Dark Realms
40%inclusion37 decks92 decks
27%synergy
Tevesh Szat, Doom of Fools
6.5%inclusion6 decks92 decks
4%synergy
Utility Lands
Cabal Coffers
87%inclusion80 decks92 decks
32%synergy
Cabal Stronghold
68%inclusion63 decks92 decks
35%synergy
Urborg, Tomb of Yawgmoth
58%inclusion53 decks92 decks
20%synergy
Nykthos, Shrine to Nyx
53%inclusion49 decks92 decks
23%synergy
Bojuka Bog
48%inclusion44 decks92 decks
1%synergy
Reliquary Tower
37%inclusion34 decks92 decks
8%synergy
Castle Locthwain
36%inclusion33 decks92 decks
19%synergy
War Room
30%inclusion28 decks92 decks
14%synergy
Witch's Cottage
27%inclusion25 decks92 decks
3%synergy
Takenuma, Abandoned Mire
26%inclusion24 decks92 decks
10%synergy
Temple of the False God
23%inclusion21 decks92 decks
15%synergy
Phyrexian Tower
21%inclusion19 decks92 decks
-6%synergy
Thespian's Stage
21%inclusion19 decks92 decks
16%synergy
Rogue's Passage
17%inclusion16 decks92 decks
-2%synergy
Command Beacon
16%inclusion15 decks92 decks
8%synergy
Barren Moor
13%inclusion12 decks92 decks
4%synergy
Crypt of Agadeem
13%inclusion12 decks92 decks
1%synergy
Shizo, Death's Storehouse
12%inclusion11 decks92 decks
2%synergy
Mortuary Mire
12%inclusion11 decks92 decks
-1%synergy
Maze of Ith
12%inclusion11 decks92 decks
9%synergy
Deserted Temple
11%inclusion10 decks92 decks
7%synergy
Havengul Laboratory
11%inclusion10 decks92 decks
11%synergy
Susur Secundi, Void Altar
5.6%inclusion4 decks71 decks
-1%synergy
Vesuva
5.4%inclusion5 decks92 decks
3%synergy
Barad-dûr
5.4%inclusion5 decks92 decks
2%synergy
Mana Artifacts
Sol Ring
95%inclusion87 decks92 decks
9%synergy
Arcane Signet
64%inclusion59 decks92 decks
3%synergy
Thought Vessel
35%inclusion32 decks92 decks
11%synergy
Mind Stone
34%inclusion31 decks92 decks
6%synergy
Nyx Lotus
34%inclusion31 decks92 decks
28%synergy
Thran Dynamo
32%inclusion29 decks92 decks
26%synergy
Charcoal Diamond
29%inclusion27 decks92 decks
8%synergy
Fellwar Stone
25%inclusion23 decks92 decks
11%synergy
Caged Sun
24%inclusion22 decks92 decks
14%synergy
Sceptre of Eternal Glory
17%inclusion16 decks92 decks
10%synergy
The Soul Stone
17%inclusion12 decks70 decks
1%synergy
Throne of Eldraine
16%inclusion15 decks92 decks
7%synergy
Gilded Lotus
16%inclusion15 decks92 decks
11%synergy
Vessel of Endless Rest
14%inclusion13 decks92 decks
14%synergy
Extraplanar Lens
14%inclusion13 decks92 decks
9%synergy
Everflowing Chalice
12%inclusion11 decks92 decks
7%synergy
Commander's Sphere
12%inclusion11 decks92 decks
4%synergy
Worn Powerstone
10%inclusion9 decks92 decks
6%synergy
Gauntlet of Power
8.7%inclusion8 decks92 decks
6%synergy
Hedron Archive
8.7%inclusion8 decks92 decks
6%synergy
Lands
Swamp
82%inclusion75 decks92 decks
-14%synergy
Myriad Landscape
43%inclusion40 decks92 decks
19%synergy
Fell the Profane
24%inclusion22 decks92 decks
4%synergy
Malakir Rebirth
24%inclusion22 decks92 decks
0%synergy
Snow-Covered Swamp
21%inclusion19 decks92 decks
14%synergy
Urza's Cave
16%inclusion15 decks92 decks
8%synergy
Hagra Mauling
7.6%inclusion7 decks92 decks
3%synergy
Demolition Field
7.6%inclusion7 decks92 decks
2%synergy
Exotic Orchard
6.5%inclusion6 decks92 decks
5%synergy
Command Tower
5.4%inclusion5 decks92 decks
-0%synergy
Agadeem's Awakening
5.4%inclusion5 decks92 decks
-2%synergy
Boggart Trawler
5.4%inclusion5 decks92 decks
-4%synergy
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