Arvinox, the Mind Flail (Commander) - Upgraded

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,378
76decks
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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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Decorum Dissertation
10%inclusion1 decks10 decks
5%synergy
Scheming Silvertongue
10%inclusion1 decks10 decks
3%synergy
Changing Loyalty
9.1%inclusion1 decks11 decks
8%synergy
Grave Researcher
8.3%inclusion1 decks12 decks
1%synergy
High Synergy Cards
Brainstealer Dragon
76%inclusion58 decks76 decks
73%synergy
Gonti, Lord of Luxury
72%inclusion55 decks76 decks
69%synergy
Elder Brain
68%inclusion52 decks76 decks
66%synergy
Cunning Rhetoric
63%inclusion48 decks76 decks
61%synergy
Breach the Multiverse
62%inclusion47 decks76 decks
56%synergy
Thieving Amalgam
57%inclusion43 decks76 decks
55%synergy
Intellect Devourer
51%inclusion39 decks76 decks
51%synergy
Dauthi Voidwalker
66%inclusion50 decks76 decks
50%synergy
Gisa, Glorious Resurrector
53%inclusion40 decks76 decks
48%synergy
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57%inclusion43 decks76 decks
46%synergy
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Dark Ritual
82%inclusion62 decks76 decks
15%synergy
Crypt Ghast
82%inclusion62 decks76 decks
34%synergy
Jet Medallion
78%inclusion59 decks76 decks
16%synergy
Reanimate
70%inclusion53 decks76 decks
30%synergy
Gray Merchant of Asphodel
67%inclusion51 decks76 decks
16%synergy
Feed the Swarm
55%inclusion42 decks76 decks
5%synergy
Phyrexian Arena
54%inclusion41 decks76 decks
14%synergy
Sign in Blood
51%inclusion39 decks76 decks
16%synergy
Defile
50%inclusion38 decks76 decks
14%synergy
Dread Presence
47%inclusion36 decks76 decks
33%synergy
Game Changers
Opposition Agent
37%inclusion28 decks76 decks
27%synergy
Bolas's Citadel
37%inclusion28 decks76 decks
8%synergy
Demonic Tutor
24%inclusion18 decks76 decks
-4%synergy
Tergrid, God of Fright
20%inclusion15 decks76 decks
12%synergy
Necropotence
20%inclusion15 decks76 decks
5%synergy
Ancient Tomb
16%inclusion12 decks76 decks
4%synergy
Vampiric Tutor
7.9%inclusion6 decks76 decks
-13%synergy
The One Ring
5.3%inclusion4 decks76 decks
-4%synergy
Creatures
Solemn Simulacrum
43%inclusion33 decks76 decks
21%synergy
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42%inclusion32 decks76 decks
23%synergy
Geth, Lord of the Vault
41%inclusion31 decks76 decks
39%synergy
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37%inclusion28 decks76 decks
33%synergy
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36%inclusion27 decks76 decks
29%synergy
Sepulchral Primordial
36%inclusion27 decks76 decks
33%synergy
Valgavoth, Terror Eater
36%inclusion27 decks76 decks
30%synergy
Junktroller
34%inclusion26 decks76 decks
34%synergy
Thieving Varmint
34%inclusion26 decks76 decks
31%synergy
Gonti, Night Minister
33%inclusion24 decks72 decks
31%synergy
Black Cat, Cunning Thief
33%inclusion16 decks48 decks
32%synergy
Gix, Yawgmoth Praetor
30%inclusion23 decks76 decks
25%synergy
Reito Sentinel
30%inclusion23 decks76 decks
30%synergy
Burnished Hart
30%inclusion23 decks76 decks
23%synergy
Tinybones, the Pickpocket
28%inclusion21 decks76 decks
22%synergy
Crabomination
26%inclusion20 decks76 decks
25%synergy
Sheoldred, Whispering One
22%inclusion17 decks76 decks
11%synergy
Bismuth Mindrender
21%inclusion16 decks76 decks
20%synergy
Phyrexian Obliterator
21%inclusion16 decks76 decks
10%synergy
Morbid Opportunist
21%inclusion16 decks76 decks
-3%synergy
Hoarding Broodlord
20%inclusion15 decks76 decks
16%synergy
Plaguecrafter
18%inclusion14 decks76 decks
-2%synergy
Oblivion Sower
18%inclusion14 decks76 decks
18%synergy
Rakshasa Debaser
18%inclusion14 decks76 decks
18%synergy
Tinybones, Bauble Burglar
17%inclusion13 decks75 decks
14%synergy
Draugr Necromancer
17%inclusion13 decks76 decks
17%synergy
Lord of the Void
16%inclusion12 decks76 decks
14%synergy
Rev, Tithe Extractor
15%inclusion11 decks75 decks
13%synergy
Sheoldred
14%inclusion11 decks76 decks
8%synergy
Author of Shadows
13%inclusion10 decks76 decks
13%synergy
Braids, Arisen Nightmare
13%inclusion10 decks76 decks
-6%synergy
Ancient Cellarspawn
12%inclusion9 decks76 decks
10%synergy
Accursed Marauder
12%inclusion9 decks76 decks
-10%synergy
Abyssal Harvester
11%inclusion8 decks75 decks
7%synergy
Sheoldred, the Apocalypse
11%inclusion8 decks76 decks
-4%synergy
Defiler of Flesh
11%inclusion8 decks76 decks
7%synergy
Massacre Wurm
11%inclusion8 decks76 decks
-7%synergy
Keen Duelist
11%inclusion8 decks76 decks
9%synergy
Kheru Mind-Eater
11%inclusion8 decks76 decks
10%synergy
Chainer, Dementia Master
11%inclusion8 decks76 decks
6%synergy
Erebos, God of the Dead
9.2%inclusion7 decks76 decks
5%synergy
Ancient Brass Dragon
9.2%inclusion7 decks76 decks
8%synergy
Wandering Archaic
9.2%inclusion7 decks76 decks
9%synergy
Lorcan, Warlock Collector
9.2%inclusion7 decks76 decks
9%synergy
Nightmare Shepherd
7.9%inclusion6 decks76 decks
6%synergy
Junji, the Midnight Sky
7.9%inclusion6 decks76 decks
3%synergy
Leaden Myr
7.9%inclusion6 decks76 decks
2%synergy
Fleshbag Marauder
6.6%inclusion5 decks76 decks
-10%synergy
Massacre Girl
6.6%inclusion5 decks76 decks
0%synergy
Liliana, Heretical Healer
6.6%inclusion5 decks76 decks
3%synergy
Instants
Withering Torment
47%inclusion36 decks76 decks
16%synergy
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39%inclusion30 decks76 decks
14%synergy
Stinging Study
36%inclusion27 decks76 decks
33%synergy
Outrageous Robbery
36%inclusion27 decks76 decks
34%synergy
Soul Shatter
28%inclusion21 decks76 decks
16%synergy
Sudden Spoiling
28%inclusion21 decks76 decks
19%synergy
Baleful Mastery
26%inclusion20 decks76 decks
18%synergy
Consuming Corruption
25%inclusion19 decks76 decks
9%synergy
Go for the Throat
25%inclusion19 decks76 decks
2%synergy
Darkness
25%inclusion19 decks76 decks
15%synergy
Imp's Mischief
24%inclusion18 decks76 decks
-1%synergy
Malakir Rebirth
24%inclusion18 decks76 decks
1%synergy
Deadly Rollick
22%inclusion17 decks76 decks
-2%synergy
Fell the Profane
22%inclusion17 decks76 decks
4%synergy
Grim Return
18%inclusion14 decks76 decks
17%synergy
Snuff Out
16%inclusion12 decks76 decks
3%synergy
The Spot's Portal
15%inclusion7 decks48 decks
14%synergy
Force of Despair
14%inclusion11 decks76 decks
7%synergy
Doom Blade
13%inclusion10 decks76 decks
6%synergy
Hero's Downfall
11%inclusion8 decks76 decks
4%synergy
Deadly Dispute
11%inclusion8 decks76 decks
-16%synergy
Hagra Mauling
9.2%inclusion7 decks76 decks
5%synergy
Thrilling Encore
9.2%inclusion7 decks76 decks
7%synergy
Withering Boon
9.2%inclusion7 decks76 decks
5%synergy
Cabal Ritual
9.2%inclusion7 decks76 decks
-9%synergy
Tragic Slip
7.9%inclusion6 decks76 decks
-12%synergy
Murder
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-2%synergy
Archenemy's Charm
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-2%synergy
Sheoldred's Edict
6.6%inclusion5 decks76 decks
-8%synergy
Village Rites
6.6%inclusion5 decks76 decks
-19%synergy
Pain 101
5.0%inclusion1 decks20 decks
4%synergy
Sorceries
Damnation
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24%synergy
Night's Whisper
42%inclusion32 decks76 decks
17%synergy
Rise of the Dark Realms
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24%synergy
Exsanguinate
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12%synergy
Heartless Conscription
34%inclusion26 decks76 decks
33%synergy
Toxic Deluge
34%inclusion26 decks76 decks
-3%synergy
Cruelclaw's Heist
30%inclusion23 decks76 decks
28%synergy
Bubbling Muck
30%inclusion23 decks76 decks
15%synergy
Praetor's Grasp
29%inclusion22 decks76 decks
25%synergy
Dredge the Mire
28%inclusion21 decks76 decks
27%synergy
Torment of Hailfire
25%inclusion19 decks76 decks
10%synergy
Mutilate
24%inclusion18 decks76 decks
7%synergy
Read the Bones
21%inclusion16 decks76 decks
4%synergy
Visions of Dread
17%inclusion13 decks76 decks
17%synergy
Beacon of Unrest
17%inclusion13 decks76 decks
13%synergy
Victimize
16%inclusion12 decks76 decks
-11%synergy
Blasphemous Edict
15%inclusion11 decks75 decks
-2%synergy
Syphon Mind
14%inclusion11 decks76 decks
2%synergy
Grim Tutor
14%inclusion11 decks76 decks
3%synergy
Diabolic Tutor
13%inclusion10 decks76 decks
-1%synergy
Insatiable Avarice
13%inclusion10 decks76 decks
2%synergy
Shadow of the Enemy
12%inclusion9 decks76 decks
11%synergy
Blood Money
12%inclusion9 decks76 decks
9%synergy
Necromantic Selection
12%inclusion9 decks76 decks
10%synergy
Xander's Pact
11%inclusion8 decks76 decks
10%synergy
Decree of Pain
11%inclusion8 decks76 decks
5%synergy
Profane Transfusion
9.2%inclusion7 decks76 decks
8%synergy
Petty Larceny
9.2%inclusion7 decks76 decks
9%synergy
In Garruk's Wake
9.2%inclusion7 decks76 decks
5%synergy
Profane Tutor
7.9%inclusion6 decks76 decks
4%synergy
Predators' Hour
7.9%inclusion6 decks76 decks
7%synergy
Come Back Wrong
7.9%inclusion6 decks76 decks
5%synergy
Psychotic Episode
6.6%inclusion5 decks76 decks
7%synergy
Dead of Winter
6.6%inclusion5 decks76 decks
6%synergy
Agadeem's Awakening
6.6%inclusion5 decks76 decks
-1%synergy
Extinguish All Hope
6.6%inclusion5 decks76 decks
6%synergy
Yawgmoth's Vile Offering
6.6%inclusion5 decks76 decks
6%synergy
Sanguimancy
6.6%inclusion5 decks76 decks
6%synergy
Ambition's Cost
6.6%inclusion5 decks76 decks
4%synergy
Diabolic Intent
5.3%inclusion4 decks76 decks
-10%synergy
Black Sun's Zenith
5.3%inclusion4 decks76 decks
0%synergy
Blood on the Snow
5.3%inclusion4 decks76 decks
4%synergy
Beseech the Queen
5.3%inclusion4 decks76 decks
-1%synergy
Worst Fears
5.3%inclusion4 decks76 decks
5%synergy
Deadly Tempest
5.3%inclusion4 decks76 decks
3%synergy
Ashen Powder
5.3%inclusion4 decks76 decks
5%synergy
Utility Artifacts
The Darkness Crystal
45%inclusion28 decks62 decks
25%synergy
Staff of Eden, Vault's Key
32%inclusion24 decks76 decks
31%synergy
Lightning Greaves
30%inclusion23 decks76 decks
-3%synergy
Bontu's Monument
29%inclusion22 decks76 decks
1%synergy
Wayfarer's Bauble
28%inclusion21 decks76 decks
12%synergy
Reito Lantern
28%inclusion21 decks76 decks
27%synergy
Expedition Map
26%inclusion20 decks76 decks
15%synergy
Swiftfoot Boots
25%inclusion19 decks76 decks
-6%synergy
Whip of Erebos
20%inclusion15 decks76 decks
9%synergy
Realmbreaker, the Invasion Tree
16%inclusion12 decks76 decks
15%synergy
Strionic Resonator
14%inclusion11 decks76 decks
13%synergy
Portal to Phyrexia
12%inclusion9 decks76 decks
10%synergy
Mindcrank
11%inclusion8 decks76 decks
5%synergy
Chaos Wand
9.2%inclusion7 decks76 decks
9%synergy
Nautiloid Ship
9.2%inclusion7 decks76 decks
9%synergy
Vedalken Orrery
7.9%inclusion6 decks76 decks
7%synergy
Dream-Thief's Bandana
6.6%inclusion5 decks76 decks
6%synergy
Commander's Plate
6.6%inclusion5 decks76 decks
1%synergy
Fishing Gear
6.5%inclusion3 decks46 decks
6%synergy
The Cauldron of Eternity
5.3%inclusion4 decks76 decks
5%synergy
Mask of Griselbrand
5.3%inclusion4 decks76 decks
2%synergy
Enchantments
Court of Locthwain
46%inclusion35 decks76 decks
44%synergy
Animate Dead
46%inclusion35 decks76 decks
29%synergy
Black Market
39%inclusion30 decks76 decks
18%synergy
Grave Betrayal
36%inclusion27 decks76 decks
33%synergy
Dead Man's Chest
36%inclusion27 decks76 decks
35%synergy
Black Market Connections
25%inclusion19 decks76 decks
1%synergy
No Mercy
24%inclusion18 decks76 decks
16%synergy
Virtue of Persistence
22%inclusion17 decks76 decks
17%synergy
Meathook Massacre II
18%inclusion14 decks76 decks
12%synergy
Necromancy
13%inclusion10 decks76 decks
7%synergy
Minion's Return
13%inclusion10 decks76 decks
12%synergy
Protection Racket
12%inclusion9 decks76 decks
11%synergy
Oubliette
12%inclusion9 decks76 decks
9%synergy
The Eldest Reborn
11%inclusion8 decks76 decks
7%synergy
Heartless Summoning
11%inclusion8 decks76 decks
6%synergy
Dance of the Dead
9.2%inclusion7 decks76 decks
6%synergy
Exquisite Blood
9.2%inclusion7 decks76 decks
-4%synergy
The Meathook Massacre
7.9%inclusion6 decks76 decks
-9%synergy
The Cruelty of Gix
6.6%inclusion5 decks76 decks
5%synergy
Parasitic Impetus
6.6%inclusion5 decks76 decks
6%synergy
Hedonist's Trove
6.6%inclusion5 decks76 decks
6%synergy
Kaya's Ghostform
6.6%inclusion5 decks76 decks
-3%synergy
Greed
5.3%inclusion4 decks76 decks
-1%synergy
Bitterblossom
5.3%inclusion4 decks76 decks
-8%synergy
Painful Quandary
5.3%inclusion4 decks76 decks
-5%synergy
Bloodchief Ascension
5.3%inclusion4 decks76 decks
-4%synergy
Planeswalkers
Liliana of the Dark Realms
37%inclusion28 decks76 decks
23%synergy
Tevesh Szat, Doom of Fools
6.6%inclusion5 decks76 decks
3%synergy
Liliana Vess
5.3%inclusion4 decks76 decks
2%synergy
Sorin Markov
5.3%inclusion4 decks76 decks
3%synergy
Utility Lands
Cabal Coffers
88%inclusion67 decks76 decks
33%synergy
Cabal Stronghold
72%inclusion55 decks76 decks
38%synergy
Urborg, Tomb of Yawgmoth
59%inclusion45 decks76 decks
22%synergy
Nykthos, Shrine to Nyx
51%inclusion39 decks76 decks
22%synergy
Bojuka Bog
46%inclusion35 decks76 decks
-1%synergy
Reliquary Tower
37%inclusion28 decks76 decks
7%synergy
Castle Locthwain
36%inclusion27 decks76 decks
19%synergy
Witch's Cottage
30%inclusion23 decks76 decks
6%synergy
War Room
26%inclusion20 decks76 decks
10%synergy
Temple of the False God
26%inclusion20 decks76 decks
19%synergy
Takenuma, Abandoned Mire
25%inclusion19 decks76 decks
9%synergy
Thespian's Stage
22%inclusion17 decks76 decks
17%synergy
Phyrexian Tower
21%inclusion16 decks76 decks
-4%synergy
Command Beacon
16%inclusion12 decks76 decks
8%synergy
Rogue's Passage
16%inclusion12 decks76 decks
-3%synergy
Maze of Ith
13%inclusion10 decks76 decks
10%synergy
Shizo, Death's Storehouse
12%inclusion9 decks76 decks
2%synergy
Mortuary Mire
11%inclusion8 decks76 decks
-3%synergy
Crypt of Agadeem
11%inclusion8 decks76 decks
-1%synergy
Barren Moor
11%inclusion8 decks76 decks
1%synergy
Deserted Temple
11%inclusion8 decks76 decks
6%synergy
Havengul Laboratory
11%inclusion8 decks76 decks
10%synergy
Geier Reach Sanitarium
6.6%inclusion5 decks76 decks
-4%synergy
Vesuva
6.6%inclusion5 decks76 decks
4%synergy
Barad-dûr
6.6%inclusion5 decks76 decks
3%synergy
Emergence Zone
6.6%inclusion5 decks76 decks
3%synergy
Susur Secundi, Void Altar
5.5%inclusion3 decks55 decks
-2%synergy
Mana Artifacts
Sol Ring
96%inclusion73 decks76 decks
10%synergy
Arcane Signet
67%inclusion51 decks76 decks
5%synergy
Thought Vessel
37%inclusion28 decks76 decks
11%synergy
Nyx Lotus
37%inclusion28 decks76 decks
31%synergy
Thran Dynamo
36%inclusion27 decks76 decks
30%synergy
Mind Stone
34%inclusion26 decks76 decks
5%synergy
Charcoal Diamond
30%inclusion23 decks76 decks
8%synergy
Fellwar Stone
25%inclusion19 decks76 decks
11%synergy
Caged Sun
22%inclusion17 decks76 decks
11%synergy
Gilded Lotus
18%inclusion14 decks76 decks
13%synergy
Sceptre of Eternal Glory
18%inclusion14 decks76 decks
10%synergy
Throne of Eldraine
17%inclusion13 decks76 decks
7%synergy
Vessel of Endless Rest
17%inclusion13 decks76 decks
17%synergy
Commander's Sphere
14%inclusion11 decks76 decks
6%synergy
Everflowing Chalice
13%inclusion10 decks76 decks
8%synergy
The Soul Stone
13%inclusion7 decks54 decks
-2%synergy
Worn Powerstone
12%inclusion9 decks76 decks
8%synergy
Extraplanar Lens
11%inclusion8 decks76 decks
6%synergy
Gauntlet of Power
7.9%inclusion6 decks76 decks
5%synergy
Hedron Archive
7.9%inclusion6 decks76 decks
4%synergy
Lands
Swamp
83%inclusion63 decks76 decks
-12%synergy
Myriad Landscape
46%inclusion35 decks76 decks
21%synergy
Malakir Rebirth
24%inclusion18 decks76 decks
1%synergy
Fell the Profane
22%inclusion17 decks76 decks
4%synergy
Urza's Cave
18%inclusion14 decks76 decks
10%synergy
Snow-Covered Swamp
18%inclusion14 decks76 decks
12%synergy
Hagra Mauling
9.2%inclusion7 decks76 decks
5%synergy
Demolition Field
7.9%inclusion6 decks76 decks
3%synergy
Agadeem's Awakening
6.6%inclusion5 decks76 decks
-1%synergy
Command Tower
5.3%inclusion4 decks76 decks
0%synergy
Exotic Orchard
5.3%inclusion4 decks76 decks
4%synergy
Boggart Trawler
5.3%inclusion4 decks76 decks
-4%synergy
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