Arvinox, the Mind Flail (Commander) - Upgraded

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,460
90decks
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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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14%inclusion1 decks7 decks
13%synergy
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9.1%inclusion2 decks22 decks
8%synergy
Doom's Time Platform
4.8%inclusion1 decks21 decks
4%synergy
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4.8%inclusion1 decks21 decks
4%synergy
Captain America's Shield
4.3%inclusion1 decks23 decks
4%synergy
High Synergy Cards
Brainstealer Dragon
81%inclusion73 decks90 decks
78%synergy
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73%inclusion66 decks90 decks
70%synergy
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71%inclusion64 decks90 decks
69%synergy
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64%inclusion58 decks90 decks
62%synergy
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62%inclusion56 decks90 decks
56%synergy
Thieving Amalgam
57%inclusion51 decks90 decks
55%synergy
Intellect Devourer
56%inclusion50 decks90 decks
55%synergy
Dauthi Voidwalker
67%inclusion60 decks90 decks
51%synergy
Court of Locthwain
51%inclusion46 decks90 decks
49%synergy
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53%inclusion48 decks90 decks
49%synergy
Top Cards
Crypt Ghast
80%inclusion72 decks90 decks
33%synergy
Dark Ritual
80%inclusion72 decks90 decks
13%synergy
Jet Medallion
76%inclusion68 decks90 decks
13%synergy
Reanimate
67%inclusion60 decks90 decks
26%synergy
Gray Merchant of Asphodel
66%inclusion59 decks90 decks
15%synergy
Nirkana Revenant
54%inclusion49 decks90 decks
44%synergy
Feed the Swarm
52%inclusion47 decks90 decks
2%synergy
Phyrexian Arena
51%inclusion46 decks90 decks
12%synergy
The Darkness Crystal
50%inclusion38 decks76 decks
30%synergy
Dread Presence
49%inclusion44 decks90 decks
36%synergy
Game Changers
Bolas's Citadel
36%inclusion32 decks90 decks
7%synergy
Opposition Agent
34%inclusion31 decks90 decks
25%synergy
Demonic Tutor
26%inclusion23 decks90 decks
-2%synergy
Tergrid, God of Fright
23%inclusion21 decks90 decks
16%synergy
Necropotence
18%inclusion16 decks90 decks
3%synergy
Ancient Tomb
12%inclusion11 decks90 decks
1%synergy
Vampiric Tutor
8.9%inclusion8 decks90 decks
-12%synergy
Creatures
Geth, Lord of the Vault
44%inclusion40 decks90 decks
43%synergy
Solemn Simulacrum
42%inclusion38 decks90 decks
21%synergy
Gonti, Night Minister
42%inclusion36 decks86 decks
39%synergy
K'rrik, Son of Yawgmoth
41%inclusion37 decks90 decks
22%synergy
Sepulchral Primordial
39%inclusion35 decks90 decks
37%synergy
Thieving Varmint
39%inclusion35 decks90 decks
36%synergy
Junktroller
36%inclusion32 decks90 decks
35%synergy
Valgavoth, Terror Eater
36%inclusion32 decks90 decks
30%synergy
Magus of the Coffers
34%inclusion31 decks90 decks
28%synergy
Nashi, Moon Sage's Scion
32%inclusion29 decks90 decks
29%synergy
Burnished Hart
31%inclusion28 decks90 decks
24%synergy
Black Cat, Cunning Thief
30%inclusion19 decks64 decks
28%synergy
Tinybones, the Pickpocket
29%inclusion26 decks90 decks
24%synergy
Reito Sentinel
29%inclusion26 decks90 decks
29%synergy
Crabomination
28%inclusion25 decks90 decks
27%synergy
Gix, Yawgmoth Praetor
24%inclusion22 decks90 decks
19%synergy
Sheoldred, Whispering One
22%inclusion20 decks90 decks
11%synergy
Hoarding Broodlord
20%inclusion18 decks90 decks
16%synergy
Tinybones, Bauble Burglar
19%inclusion17 decks89 decks
16%synergy
Bismuth Mindrender
19%inclusion17 decks90 decks
18%synergy
Morbid Opportunist
19%inclusion17 decks90 decks
-5%synergy
Oblivion Sower
19%inclusion17 decks90 decks
19%synergy
Rakshasa Debaser
19%inclusion17 decks90 decks
18%synergy
Phyrexian Obliterator
18%inclusion16 decks90 decks
7%synergy
Lord of the Void
17%inclusion15 decks90 decks
15%synergy
Draugr Necromancer
17%inclusion15 decks90 decks
16%synergy
Plaguecrafter
16%inclusion14 decks90 decks
-4%synergy
Ancient Cellarspawn
16%inclusion14 decks90 decks
13%synergy
Rev, Tithe Extractor
15%inclusion13 decks89 decks
13%synergy
Sheoldred
13%inclusion12 decks90 decks
8%synergy
Braids, Arisen Nightmare
13%inclusion12 decks90 decks
-6%synergy
Sheoldred, the Apocalypse
11%inclusion10 decks90 decks
-4%synergy
Wandering Archaic
11%inclusion10 decks90 decks
11%synergy
Author of Shadows
11%inclusion10 decks90 decks
11%synergy
Liliana, Heretical Healer
11%inclusion10 decks90 decks
8%synergy
Kheru Mind-Eater
11%inclusion10 decks90 decks
11%synergy
Defiler of Flesh
10%inclusion9 decks90 decks
6%synergy
Accursed Marauder
10%inclusion9 decks90 decks
-12%synergy
Erebos, God of the Dead
8.9%inclusion8 decks90 decks
4%synergy
Lorcan, Warlock Collector
8.9%inclusion8 decks90 decks
8%synergy
Ancient Brass Dragon
8.9%inclusion8 decks90 decks
8%synergy
Leaden Myr
8.9%inclusion8 decks90 decks
3%synergy
Grave Researcher
8.6%inclusion3 decks35 decks
0%synergy
Ardyn, the Usurper
7.9%inclusion6 decks76 decks
5%synergy
Abyssal Harvester
7.9%inclusion7 decks89 decks
4%synergy
Junji, the Midnight Sky
7.8%inclusion7 decks90 decks
3%synergy
Massacre Wurm
7.8%inclusion7 decks90 decks
-9%synergy
Keen Duelist
7.8%inclusion7 decks90 decks
6%synergy
Nightmare Shepherd
7.8%inclusion7 decks90 decks
6%synergy
Chainer, Dementia Master
7.8%inclusion7 decks90 decks
3%synergy
Instants
Defile
49%inclusion44 decks90 decks
14%synergy
Withering Torment
47%inclusion42 decks90 decks
15%synergy
Infernal Grasp
36%inclusion32 decks90 decks
10%synergy
Outrageous Robbery
33%inclusion30 decks90 decks
32%synergy
Stinging Study
30%inclusion27 decks90 decks
27%synergy
Imp's Mischief
27%inclusion24 decks90 decks
1%synergy
Consuming Corruption
26%inclusion23 decks90 decks
10%synergy
Soul Shatter
26%inclusion23 decks90 decks
14%synergy
Sudden Spoiling
24%inclusion22 decks90 decks
16%synergy
Deadly Rollick
23%inclusion21 decks90 decks
-2%synergy
Fell the Profane
23%inclusion21 decks90 decks
4%synergy
Baleful Mastery
23%inclusion21 decks90 decks
15%synergy
Go for the Throat
22%inclusion20 decks90 decks
-0%synergy
Darkness
22%inclusion20 decks90 decks
12%synergy
Malakir Rebirth
22%inclusion20 decks90 decks
-1%synergy
Grim Return
17%inclusion15 decks90 decks
16%synergy
Force of Despair
16%inclusion14 decks90 decks
8%synergy
Doom Blade
14%inclusion13 decks90 decks
7%synergy
Snuff Out
13%inclusion12 decks90 decks
-0%synergy
The Spot's Portal
13%inclusion8 decks64 decks
12%synergy
Deadly Dispute
12%inclusion11 decks90 decks
-15%synergy
Cabal Ritual
12%inclusion11 decks90 decks
-7%synergy
Thrilling Encore
11%inclusion10 decks90 decks
10%synergy
Hero's Downfall
8.9%inclusion8 decks90 decks
2%synergy
Sheoldred's Edict
8.9%inclusion8 decks90 decks
-6%synergy
Withering Boon
8.9%inclusion8 decks90 decks
4%synergy
Murder
7.8%inclusion7 decks90 decks
-2%synergy
Hagra Mauling
6.7%inclusion6 decks90 decks
2%synergy
Village Rites
6.7%inclusion6 decks90 decks
-19%synergy
Tragic Slip
6.7%inclusion6 decks90 decks
-12%synergy
Archenemy's Charm
5.8%inclusion4 decks69 decks
-3%synergy
Culling the Weak
5.6%inclusion5 decks90 decks
-12%synergy
Sorceries
Sign in Blood
48%inclusion43 decks90 decks
13%synergy
Damnation
43%inclusion39 decks90 decks
23%synergy
Rise of the Dark Realms
41%inclusion37 decks90 decks
28%synergy
Night's Whisper
39%inclusion35 decks90 decks
14%synergy
Exsanguinate
38%inclusion34 decks90 decks
13%synergy
Bubbling Muck
33%inclusion30 decks90 decks
18%synergy
Toxic Deluge
33%inclusion30 decks90 decks
-3%synergy
Dredge the Mire
32%inclusion29 decks90 decks
32%synergy
Cruelclaw's Heist
32%inclusion29 decks90 decks
30%synergy
Heartless Conscription
32%inclusion29 decks90 decks
31%synergy
Praetor's Grasp
28%inclusion25 decks90 decks
24%synergy
Torment of Hailfire
24%inclusion22 decks90 decks
10%synergy
Decorum Dissertation
21%inclusion7 decks33 decks
15%synergy
Mutilate
21%inclusion19 decks90 decks
5%synergy
Visions of Dread
18%inclusion16 decks90 decks
18%synergy
Read the Bones
18%inclusion16 decks90 decks
2%synergy
Blasphemous Edict
16%inclusion14 decks89 decks
-0%synergy
Victimize
16%inclusion14 decks90 decks
-12%synergy
Beacon of Unrest
16%inclusion14 decks90 decks
12%synergy
Diabolic Tutor
14%inclusion13 decks90 decks
1%synergy
Blood Money
14%inclusion13 decks90 decks
11%synergy
Grim Tutor
14%inclusion13 decks90 decks
3%synergy
Syphon Mind
13%inclusion12 decks90 decks
1%synergy
Xander's Pact
12%inclusion11 decks90 decks
12%synergy
Shadow of the Enemy
11%inclusion10 decks90 decks
11%synergy
Decree of Pain
11%inclusion10 decks90 decks
6%synergy
Insatiable Avarice
10%inclusion9 decks90 decks
-1%synergy
Necromantic Selection
10%inclusion9 decks90 decks
8%synergy
Profane Tutor
7.8%inclusion7 decks90 decks
4%synergy
Profane Transfusion
7.8%inclusion7 decks90 decks
6%synergy
Predators' Hour
7.8%inclusion7 decks90 decks
7%synergy
Petty Larceny
7.8%inclusion7 decks90 decks
7%synergy
In Garruk's Wake
7.8%inclusion7 decks90 decks
4%synergy
Come Back Wrong
6.7%inclusion6 decks90 decks
4%synergy
Yawgmoth's Vile Offering
6.7%inclusion6 decks90 decks
6%synergy
Extinguish All Hope
6.7%inclusion6 decks90 decks
6%synergy
Sanguimancy
6.7%inclusion6 decks90 decks
6%synergy
Afterlife from the Loam
6.0%inclusion5 decks83 decks
5%synergy
Psychotic Episode
5.6%inclusion5 decks90 decks
5%synergy
Blood on the Snow
5.6%inclusion5 decks90 decks
5%synergy
Dead of Winter
5.6%inclusion5 decks90 decks
5%synergy
Agadeem's Awakening
5.6%inclusion5 decks90 decks
-2%synergy
Ambition's Cost
5.6%inclusion5 decks90 decks
3%synergy
Ashen Powder
5.6%inclusion5 decks90 decks
5%synergy
Worst Fears
5.6%inclusion5 decks90 decks
5%synergy
Utility Artifacts
Bontu's Monument
34%inclusion31 decks90 decks
6%synergy
Staff of Eden, Vault's Key
32%inclusion29 decks90 decks
31%synergy
Lightning Greaves
30%inclusion27 decks90 decks
-4%synergy
Wayfarer's Bauble
26%inclusion23 decks90 decks
11%synergy
Reito Lantern
24%inclusion22 decks90 decks
24%synergy
Swiftfoot Boots
23%inclusion21 decks90 decks
-8%synergy
Expedition Map
22%inclusion20 decks90 decks
11%synergy
Whip of Erebos
21%inclusion19 decks90 decks
10%synergy
Realmbreaker, the Invasion Tree
14%inclusion13 decks90 decks
14%synergy
Strionic Resonator
14%inclusion13 decks90 decks
13%synergy
Portal to Phyrexia
11%inclusion10 decks90 decks
10%synergy
Mindcrank
11%inclusion10 decks90 decks
6%synergy
Chaos Wand
8.9%inclusion8 decks90 decks
9%synergy
Nautiloid Ship
7.8%inclusion7 decks90 decks
8%synergy
The Cauldron of Eternity
7.8%inclusion7 decks90 decks
7%synergy
Dream-Thief's Bandana
6.7%inclusion6 decks90 decks
6%synergy
Vedalken Orrery
6.7%inclusion6 decks90 decks
6%synergy
Fishing Gear
6.3%inclusion4 decks63 decks
6%synergy
Commander's Plate
5.6%inclusion5 decks90 decks
-1%synergy
Enchantments
Black Market
44%inclusion40 decks90 decks
24%synergy
Animate Dead
44%inclusion40 decks90 decks
27%synergy
Dead Man's Chest
41%inclusion37 decks90 decks
41%synergy
Grave Betrayal
32%inclusion29 decks90 decks
30%synergy
Black Market Connections
27%inclusion24 decks90 decks
2%synergy
No Mercy
23%inclusion21 decks90 decks
16%synergy
Changing Loyalty
21%inclusion7 decks34 decks
20%synergy
Virtue of Persistence
20%inclusion18 decks90 decks
15%synergy
Meathook Massacre II
17%inclusion15 decks90 decks
11%synergy
Minion's Return
14%inclusion13 decks90 decks
14%synergy
Necromancy
12%inclusion11 decks90 decks
7%synergy
Exquisite Blood
12%inclusion11 decks90 decks
-1%synergy
Oubliette
12%inclusion11 decks90 decks
9%synergy
Heartless Summoning
12%inclusion11 decks90 decks
7%synergy
Kaya's Ghostform
10%inclusion9 decks90 decks
0%synergy
The Cruelty of Gix
8.9%inclusion8 decks90 decks
8%synergy
The Eldest Reborn
8.9%inclusion8 decks90 decks
6%synergy
Protection Racket
8.9%inclusion8 decks90 decks
8%synergy
The Meathook Massacre
7.8%inclusion7 decks90 decks
-9%synergy
Dance of the Dead
6.7%inclusion6 decks90 decks
3%synergy
Mornsong Aria
5.8%inclusion3 decks52 decks
4%synergy
Greed
5.6%inclusion5 decks90 decks
-1%synergy
Hedonist's Trove
5.6%inclusion5 decks90 decks
5%synergy
Painful Quandary
5.6%inclusion5 decks90 decks
-5%synergy
Planeswalkers
Liliana of the Dark Realms
39%inclusion35 decks90 decks
25%synergy
Tevesh Szat, Doom of Fools
6.7%inclusion6 decks90 decks
4%synergy
Utility Lands
Cabal Coffers
88%inclusion79 decks90 decks
33%synergy
Cabal Stronghold
69%inclusion62 decks90 decks
35%synergy
Urborg, Tomb of Yawgmoth
57%inclusion51 decks90 decks
19%synergy
Nykthos, Shrine to Nyx
52%inclusion47 decks90 decks
22%synergy
Bojuka Bog
47%inclusion42 decks90 decks
-0%synergy
Reliquary Tower
38%inclusion34 decks90 decks
8%synergy
Castle Locthwain
34%inclusion31 decks90 decks
18%synergy
War Room
30%inclusion27 decks90 decks
14%synergy
Witch's Cottage
27%inclusion24 decks90 decks
2%synergy
Takenuma, Abandoned Mire
26%inclusion23 decks90 decks
10%synergy
Temple of the False God
22%inclusion20 decks90 decks
15%synergy
Thespian's Stage
21%inclusion19 decks90 decks
16%synergy
Phyrexian Tower
20%inclusion18 decks90 decks
-6%synergy
Rogue's Passage
18%inclusion16 decks90 decks
-2%synergy
Command Beacon
17%inclusion15 decks90 decks
8%synergy
Crypt of Agadeem
13%inclusion12 decks90 decks
2%synergy
Shizo, Death's Storehouse
12%inclusion11 decks90 decks
2%synergy
Maze of Ith
12%inclusion11 decks90 decks
9%synergy
Mortuary Mire
11%inclusion10 decks90 decks
-2%synergy
Barren Moor
11%inclusion10 decks90 decks
2%synergy
Deserted Temple
11%inclusion10 decks90 decks
7%synergy
Havengul Laboratory
11%inclusion10 decks90 decks
11%synergy
Susur Secundi, Void Altar
5.8%inclusion4 decks69 decks
-1%synergy
Vesuva
5.6%inclusion5 decks90 decks
3%synergy
Barad-dûr
5.6%inclusion5 decks90 decks
2%synergy
Mana Artifacts
Sol Ring
96%inclusion86 decks90 decks
10%synergy
Arcane Signet
62%inclusion56 decks90 decks
1%synergy
Thought Vessel
34%inclusion31 decks90 decks
10%synergy
Nyx Lotus
33%inclusion30 decks90 decks
28%synergy
Mind Stone
32%inclusion29 decks90 decks
4%synergy
Thran Dynamo
31%inclusion28 decks90 decks
25%synergy
Charcoal Diamond
29%inclusion26 decks90 decks
7%synergy
Caged Sun
24%inclusion22 decks90 decks
14%synergy
Fellwar Stone
24%inclusion22 decks90 decks
10%synergy
Throne of Eldraine
17%inclusion15 decks90 decks
7%synergy
Sceptre of Eternal Glory
17%inclusion15 decks90 decks
9%synergy
The Soul Stone
16%inclusion11 decks68 decks
0%synergy
Vessel of Endless Rest
16%inclusion14 decks90 decks
15%synergy
Gilded Lotus
16%inclusion14 decks90 decks
10%synergy
Extraplanar Lens
16%inclusion14 decks90 decks
11%synergy
Everflowing Chalice
12%inclusion11 decks90 decks
7%synergy
Commander's Sphere
12%inclusion11 decks90 decks
4%synergy
Worn Powerstone
10%inclusion9 decks90 decks
6%synergy
Gauntlet of Power
8.9%inclusion8 decks90 decks
6%synergy
Hedron Archive
7.8%inclusion7 decks90 decks
5%synergy
Lands
Swamp
81%inclusion73 decks90 decks
-14%synergy
Myriad Landscape
43%inclusion39 decks90 decks
19%synergy
Fell the Profane
23%inclusion21 decks90 decks
4%synergy
Malakir Rebirth
22%inclusion20 decks90 decks
-1%synergy
Snow-Covered Swamp
21%inclusion19 decks90 decks
15%synergy
Urza's Cave
17%inclusion15 decks90 decks
8%synergy
Demolition Field
7.8%inclusion7 decks90 decks
3%synergy
Hagra Mauling
6.7%inclusion6 decks90 decks
2%synergy
Exotic Orchard
6.7%inclusion6 decks90 decks
5%synergy
Command Tower
5.6%inclusion5 decks90 decks
-0%synergy
Agadeem's Awakening
5.6%inclusion5 decks90 decks
-2%synergy
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