Arvinox, the Mind Flail (Commander) - Exile

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,382
55decks
Sikora
Oct 30, 2025
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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28%synergy
High Synergy Cards
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63%synergy
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38%synergy
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63%synergy
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Defile
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24%synergy
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59%synergy
Gray Merchant of Asphodel
58%inclusion32 decks55 decks
7%synergy
Game Changers
Opposition Agent
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40%synergy
Demonic Tutor
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2%synergy
Vampiric Tutor
24%inclusion13 decks55 decks
3%synergy
Bolas's Citadel
22%inclusion12 decks55 decks
-7%synergy
Tergrid, God of Fright
13%inclusion7 decks55 decks
5%synergy
Ancient Tomb
9.1%inclusion5 decks55 decks
-2%synergy
Orcish Bowmasters
9.1%inclusion5 decks55 decks
-4%synergy
The One Ring
5.5%inclusion3 decks55 decks
-4%synergy
Creatures
Dauthi Voidwalker
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43%synergy
Solemn Simulacrum
56%inclusion31 decks55 decks
35%synergy
Author of Shadows
55%inclusion30 decks55 decks
54%synergy
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53%inclusion29 decks55 decks
42%synergy
Nashi, Moon Sage's Scion
47%inclusion26 decks55 decks
43%synergy
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45%inclusion25 decks55 decks
45%synergy
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45%inclusion19 decks42 decks
40%synergy
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44%inclusion24 decks55 decks
43%synergy
Magus of the Coffers
42%inclusion23 decks55 decks
35%synergy
Bismuth Mindrender
38%inclusion21 decks55 decks
38%synergy
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38%inclusion21 decks55 decks
36%synergy
Burnished Hart
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31%synergy
Dread Presence
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22%synergy
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36%synergy
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34%synergy
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29%synergy
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34%synergy
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33%inclusion10 decks30 decks
30%synergy
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33%inclusion18 decks55 decks
28%synergy
Kheru Mind-Eater
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33%synergy
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27%synergy
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25%synergy
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6%synergy
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22%synergy
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12%synergy
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22%inclusion12 decks55 decks
18%synergy
Plaguecrafter
22%inclusion12 decks55 decks
2%synergy
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16%synergy
Abyssal Harvester
21%inclusion6 decks28 decks
18%synergy
Ancient Cellarspawn
21%inclusion8 decks39 decks
18%synergy
Herald of Leshrac
20%inclusion11 decks55 decks
20%synergy
Twilight Diviner
20%inclusion1 decks5 decks
16%synergy
Moonshadow
20%inclusion1 decks5 decks
18%synergy
Madame Null, Power Broker
20%inclusion1 decks5 decks
19%synergy
Savanti Romero, Time's Exile
20%inclusion1 decks5 decks
19%synergy
Defiler of Flesh
16%inclusion9 decks55 decks
12%synergy
Lord of the Void
16%inclusion9 decks55 decks
15%synergy
Shelob, Dread Weaver
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16%synergy
Lorcan, Warlock Collector
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14%synergy
Draugr Necromancer
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14%synergy
Wandering Archaic
13%inclusion7 decks55 decks
12%synergy
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7%synergy
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13%inclusion7 decks55 decks
8%synergy
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-9%synergy
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11%inclusion6 decks55 decks
5%synergy
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10%synergy
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-7%synergy
Erebos, Bleak-Hearted
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7%synergy
Viscera Seer
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-8%synergy
Instants
Withering Torment
46%inclusion19 decks41 decks
15%synergy
Consuming Corruption
44%inclusion24 decks55 decks
28%synergy
Infernal Grasp
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11%synergy
Grim Return
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35%synergy
Soul Shatter
33%inclusion18 decks55 decks
21%synergy
Go for the Throat
29%inclusion16 decks55 decks
6%synergy
Nurgle's Conscription
24%inclusion13 decks55 decks
23%synergy
Deadly Rollick
22%inclusion12 decks55 decks
-3%synergy
Stinging Study
20%inclusion11 decks55 decks
17%synergy
Baleful Mastery
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12%synergy
Fell the Profane
18%inclusion10 decks55 decks
-1%synergy
Imp's Mischief
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-7%synergy
Darkness
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8%synergy
Sheoldred's Edict
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2%synergy
Thrilling Encore
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15%synergy
Doom Blade
16%inclusion9 decks55 decks
9%synergy
Cabal Ritual
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-2%synergy
Force of Despair
15%inclusion8 decks55 decks
7%synergy
Sudden Spoiling
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6%synergy
Withering Boon
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6%synergy
Hagra Mauling
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Snuff Out
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-4%synergy
Bitter Triumph
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-1%synergy
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-14%synergy
Murder
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-3%synergy
Hero's Downfall
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-1%synergy
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-21%synergy
Tainted Strike
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2%synergy
Dismember
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-5%synergy
Sorceries
Breach the Multiverse
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52%synergy
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2%synergy
Rise of the Dark Realms
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25%synergy
Dredge the Mire
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Shadow of the Enemy
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Damnation
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Praetor's Grasp
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29%synergy
Visions of Dread
27%inclusion15 decks55 decks
27%synergy
Torment of Hailfire
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12%synergy
Sign in Blood
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-10%synergy
Come Back Wrong
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18%synergy
Mutilate
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3%synergy
Night's Whisper
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-5%synergy
Exsanguinate
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-5%synergy
Toxic Deluge
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-17%synergy
Xander's Pact
18%inclusion10 decks55 decks
18%synergy
Read the Bones
18%inclusion10 decks55 decks
2%synergy
Blasphemous Edict
18%inclusion5 decks28 decks
1%synergy
Predators' Hour
16%inclusion9 decks55 decks
15%synergy
Blood Money
15%inclusion8 decks55 decks
11%synergy
The Final Days
14%inclusion1 decks7 decks
14%synergy
Bubbling Muck
11%inclusion6 decks55 decks
-5%synergy
Extinguish All Hope
11%inclusion6 decks55 decks
11%synergy
Syphon Mind
9.1%inclusion5 decks55 decks
-3%synergy
Insatiable Avarice
9.1%inclusion5 decks55 decks
-2%synergy
Necromantic Selection
9.1%inclusion5 decks55 decks
7%synergy
Petty Larceny
7.4%inclusion4 decks54 decks
7%synergy
Psychotic Episode
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7%synergy
Diabolic Tutor
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-7%synergy
Yawgmoth's Vile Offering
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7%synergy
Beacon of Unrest
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3%synergy
Ghouls' Night Out
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7%synergy
Worst Fears
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7%synergy
Living Death
5.5%inclusion3 decks55 decks
-5%synergy
In Garruk's Wake
5.5%inclusion3 decks55 decks
2%synergy
Utility Artifacts
Realmbreaker, the Invasion Tree
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55%synergy
Staff of Eden, Vault's Key
56%inclusion30 decks54 decks
54%synergy
The Darkness Crystal
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23%synergy
Reito Lantern
40%inclusion22 decks55 decks
40%synergy
Wayfarer's Bauble
35%inclusion19 decks55 decks
19%synergy
Chaos Wand
27%inclusion15 decks55 decks
27%synergy
Bontu's Monument
27%inclusion15 decks55 decks
-1%synergy
Expedition Map
25%inclusion14 decks55 decks
14%synergy
Lightning Greaves
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-8%synergy
Swiftfoot Boots
22%inclusion12 decks55 decks
-10%synergy
Portal to Phyrexia
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13%synergy
Strionic Resonator
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13%synergy
Dream-Thief's Bandana
13%inclusion7 decks55 decks
12%synergy
Whip of Erebos
11%inclusion6 decks55 decks
0%synergy
Helm of the Host
11%inclusion6 decks55 decks
10%synergy
Lithoform Engine
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7%synergy
Mimic Vat
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6%synergy
Manascape Refractor
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7%synergy
Mithril Coat
5.5%inclusion3 decks55 decks
0%synergy
Whispersilk Cloak
5.5%inclusion3 decks55 decks
0%synergy
Doubling Cube
5.5%inclusion3 decks55 decks
5%synergy
Mindcrank
5.5%inclusion3 decks55 decks
0%synergy
Sword of the Animist
5.5%inclusion3 decks55 decks
2%synergy
Enchantments
Grave Betrayal
45%inclusion25 decks55 decks
43%synergy
Phyrexian Arena
36%inclusion20 decks55 decks
-3%synergy
Black Market
33%inclusion18 decks55 decks
12%synergy
Virtue of Persistence
31%inclusion17 decks55 decks
26%synergy
Meathook Massacre II
24%inclusion10 decks42 decks
18%synergy
The Eldest Reborn
24%inclusion13 decks55 decks
20%synergy
Minion's Return
22%inclusion12 decks55 decks
21%synergy
Hedonist's Trove
22%inclusion12 decks55 decks
22%synergy
Black Market Connections
16%inclusion9 decks55 decks
-8%synergy
Animate Dead
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-3%synergy
Sothera, the Supervoid
14%inclusion1 decks7 decks
11%synergy
Super State
14%inclusion1 decks7 decks
14%synergy
Protection Racket
11%inclusion6 decks55 decks
10%synergy
No Mercy
9.1%inclusion5 decks55 decks
2%synergy
The Meathook Massacre
7.3%inclusion4 decks55 decks
-10%synergy
The Cruelty of Gix
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6%synergy
Necromancy
7.3%inclusion4 decks55 decks
2%synergy
Kaya's Ghostform
7.3%inclusion4 decks55 decks
-3%synergy
Heartless Summoning
5.5%inclusion3 decks55 decks
1%synergy
Planeswalkers
Liliana of the Dark Realms
40%inclusion22 decks55 decks
26%synergy
Tevesh Szat, Doom of Fools
7.3%inclusion4 decks55 decks
4%synergy
Ashiok, Wicked Manipulator
5.5%inclusion3 decks55 decks
5%synergy
Utility Lands
Cabal Coffers
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18%synergy
Cabal Stronghold
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29%synergy
Urborg, Tomb of Yawgmoth
55%inclusion30 decks55 decks
17%synergy
Bojuka Bog
49%inclusion27 decks55 decks
2%synergy
Nykthos, Shrine to Nyx
49%inclusion27 decks55 decks
19%synergy
Witch's Cottage
45%inclusion25 decks55 decks
21%synergy
Reliquary Tower
35%inclusion19 decks55 decks
4%synergy
Temple of the False God
31%inclusion17 decks55 decks
23%synergy
Castle Locthwain
27%inclusion15 decks55 decks
10%synergy
War Room
25%inclusion14 decks55 decks
9%synergy
Thespian's Stage
24%inclusion13 decks55 decks
18%synergy
Rogue's Passage
24%inclusion13 decks55 decks
5%synergy
Deserted Temple
20%inclusion11 decks55 decks
16%synergy
Vesuva
18%inclusion10 decks55 decks
15%synergy
Takenuma, Abandoned Mire
18%inclusion10 decks55 decks
3%synergy
Mortuary Mire
16%inclusion9 decks55 decks
3%synergy
Midgar, City of Mako
14%inclusion1 decks7 decks
3%synergy
Susur Secundi, Void Altar
14%inclusion1 decks7 decks
7%synergy
Scavenger Grounds
13%inclusion7 decks55 decks
11%synergy
Barren Moor
11%inclusion6 decks55 decks
1%synergy
Maze of Ith
11%inclusion6 decks55 decks
8%synergy
Urza's Saga
11%inclusion6 decks55 decks
3%synergy
Everglades
11%inclusion6 decks55 decks
10%synergy
Memorial to Folly
9.1%inclusion5 decks55 decks
6%synergy
Polluted Mire
9.1%inclusion5 decks55 decks
5%synergy
Guildless Commons
9.1%inclusion5 decks55 decks
9%synergy
Desert of the Glorified
7.3%inclusion4 decks55 decks
5%synergy
Crypt of Agadeem
7.3%inclusion4 decks55 decks
-4%synergy
Command Beacon
7.3%inclusion4 decks55 decks
-1%synergy
Ifnir Deadlands
7.3%inclusion4 decks55 decks
6%synergy
Havengul Laboratory
7.3%inclusion4 decks55 decks
7%synergy
Spymaster's Vault
5.5%inclusion3 decks55 decks
-4%synergy
Lake of the Dead
5.5%inclusion3 decks55 decks
0%synergy
Mana Artifacts
Sol Ring
98%inclusion54 decks55 decks
12%synergy
Arcane Signet
58%inclusion32 decks55 decks
-3%synergy
Mind Stone
55%inclusion30 decks55 decks
26%synergy
Charcoal Diamond
45%inclusion25 decks55 decks
23%synergy
Nyx Lotus
42%inclusion23 decks55 decks
36%synergy
Throne of Eldraine
36%inclusion20 decks55 decks
27%synergy
Thran Dynamo
36%inclusion20 decks55 decks
31%synergy
Thought Vessel
31%inclusion17 decks55 decks
6%synergy
Caged Sun
29%inclusion16 decks55 decks
18%synergy
Sceptre of Eternal Glory
27%inclusion15 decks55 decks
19%synergy
Fellwar Stone
22%inclusion12 decks55 decks
8%synergy
Gilded Lotus
20%inclusion11 decks55 decks
15%synergy
Vessel of Endless Rest
16%inclusion9 decks55 decks
16%synergy
Extraplanar Lens
16%inclusion9 decks55 decks
11%synergy
Everflowing Chalice
15%inclusion8 decks55 decks
9%synergy
Worn Powerstone
15%inclusion8 decks55 decks
10%synergy
The Soul Stone
14%inclusion1 decks7 decks
0%synergy
Hedron Archive
13%inclusion7 decks55 decks
9%synergy
Commander's Sphere
11%inclusion6 decks55 decks
3%synergy
Gauntlet of Power
11%inclusion6 decks55 decks
8%synergy
Jeweled Lotus
7.3%inclusion4 decks55 decks
6%synergy
Decanter of Endless Water
7.3%inclusion4 decks55 decks
4%synergy
Lands
Swamp
93%inclusion51 decks55 decks
-2%synergy
Myriad Landscape
58%inclusion32 decks55 decks
33%synergy
Urza's Cave
22%inclusion12 decks55 decks
13%synergy
Fell the Profane
18%inclusion10 decks55 decks
-1%synergy
Command Tower
15%inclusion8 decks55 decks
9%synergy
Exotic Orchard
15%inclusion8 decks55 decks
13%synergy
Hagra Mauling
9.1%inclusion5 decks55 decks
5%synergy
Malakir Rebirth
9.1%inclusion5 decks55 decks
-14%synergy
Snow-Covered Swamp
9.1%inclusion5 decks55 decks
3%synergy
Terramorphic Expanse
7.3%inclusion4 decks55 decks
5%synergy
Demolition Field
7.3%inclusion4 decks55 decks
2%synergy
Evolving Wilds
5.5%inclusion3 decks55 decks
2%synergy