Mind Flayer, the Shadow (Commander) - Upgraded

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,375
75decks
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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Scheming Silvertongue
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7%synergy
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8%synergy
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10%synergy
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4%synergy
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High Synergy Cards
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70%synergy
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57%synergy
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54%synergy
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50%synergy
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50%synergy
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49%synergy
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45%synergy
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16%synergy
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34%synergy
Jet Medallion
79%inclusion59 decks75 decks
17%synergy
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68%inclusion51 decks75 decks
17%synergy
Reanimate
68%inclusion51 decks75 decks
28%synergy
Feed the Swarm
56%inclusion42 decks75 decks
6%synergy
Phyrexian Arena
53%inclusion40 decks75 decks
14%synergy
Sign in Blood
51%inclusion38 decks75 decks
15%synergy
Dread Presence
49%inclusion37 decks75 decks
35%synergy
Defile
49%inclusion37 decks75 decks
13%synergy
Game Changers
Opposition Agent
37%inclusion28 decks75 decks
28%synergy
Bolas's Citadel
36%inclusion27 decks75 decks
7%synergy
Demonic Tutor
24%inclusion18 decks75 decks
-3%synergy
Tergrid, God of Fright
20%inclusion15 decks75 decks
12%synergy
Necropotence
20%inclusion15 decks75 decks
5%synergy
Ancient Tomb
16%inclusion12 decks75 decks
4%synergy
Vampiric Tutor
6.7%inclusion5 decks75 decks
-14%synergy
The One Ring
5.3%inclusion4 decks75 decks
-4%synergy
Creatures
Solemn Simulacrum
43%inclusion32 decks75 decks
21%synergy
Geth, Lord of the Vault
43%inclusion32 decks75 decks
41%synergy
K'rrik, Son of Yawgmoth
41%inclusion31 decks75 decks
22%synergy
Magus of the Coffers
36%inclusion27 decks75 decks
29%synergy
Sepulchral Primordial
36%inclusion27 decks75 decks
34%synergy
Nashi, Moon Sage's Scion
36%inclusion27 decks75 decks
32%synergy
Valgavoth, Terror Eater
35%inclusion26 decks75 decks
29%synergy
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34%inclusion24 decks71 decks
31%synergy
Junktroller
33%inclusion25 decks75 decks
33%synergy
Thieving Varmint
33%inclusion25 decks75 decks
30%synergy
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33%inclusion15 decks46 decks
31%synergy
Gix, Yawgmoth Praetor
32%inclusion24 decks75 decks
27%synergy
Burnished Hart
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22%synergy
Reito Sentinel
29%inclusion22 decks75 decks
29%synergy
Crabomination
27%inclusion20 decks75 decks
26%synergy
Tinybones, the Pickpocket
27%inclusion20 decks75 decks
21%synergy
Sheoldred, Whispering One
23%inclusion17 decks75 decks
11%synergy
Bismuth Mindrender
21%inclusion16 decks75 decks
21%synergy
Morbid Opportunist
21%inclusion16 decks75 decks
-2%synergy
Phyrexian Obliterator
21%inclusion16 decks75 decks
10%synergy
Plaguecrafter
19%inclusion14 decks75 decks
-1%synergy
Hoarding Broodlord
19%inclusion14 decks75 decks
14%synergy
Draugr Necromancer
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18%synergy
Rakshasa Debaser
19%inclusion14 decks75 decks
18%synergy
Tinybones, Bauble Burglar
18%inclusion13 decks74 decks
14%synergy
Oblivion Sower
17%inclusion13 decks75 decks
17%synergy
Sheoldred
15%inclusion11 decks75 decks
9%synergy
Lord of the Void
15%inclusion11 decks75 decks
13%synergy
Rev, Tithe Extractor
14%inclusion10 decks74 decks
12%synergy
Author of Shadows
13%inclusion10 decks75 decks
13%synergy
Braids, Arisen Nightmare
13%inclusion10 decks75 decks
-6%synergy
Accursed Marauder
12%inclusion9 decks75 decks
-10%synergy
Ancient Cellarspawn
12%inclusion9 decks75 decks
10%synergy
Sheoldred, the Apocalypse
11%inclusion8 decks75 decks
-4%synergy
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11%inclusion8 decks75 decks
7%synergy
Massacre Wurm
11%inclusion8 decks75 decks
-6%synergy
Keen Duelist
11%inclusion8 decks75 decks
9%synergy
Chainer, Dementia Master
11%inclusion8 decks75 decks
6%synergy
Abyssal Harvester
9.5%inclusion7 decks74 decks
6%synergy
Erebos, God of the Dead
9.3%inclusion7 decks75 decks
5%synergy
Wandering Archaic
9.3%inclusion7 decks75 decks
9%synergy
Lorcan, Warlock Collector
9.3%inclusion7 decks75 decks
9%synergy
Kheru Mind-Eater
9.3%inclusion7 decks75 decks
9%synergy
Ancient Brass Dragon
9.3%inclusion7 decks75 decks
8%synergy
Junji, the Midnight Sky
8.0%inclusion6 decks75 decks
3%synergy
Nightmare Shepherd
8.0%inclusion6 decks75 decks
7%synergy
Massacre Girl
6.7%inclusion5 decks75 decks
0%synergy
Orochi Soul-Reaver
6.7%inclusion5 decks75 decks
5%synergy
Grim Hireling
6.7%inclusion5 decks75 decks
2%synergy
Fleshbag Marauder
6.7%inclusion5 decks75 decks
-10%synergy
Instants
Withering Torment
45%inclusion34 decks75 decks
14%synergy
Infernal Grasp
39%inclusion29 decks75 decks
14%synergy
Stinging Study
36%inclusion27 decks75 decks
33%synergy
Outrageous Robbery
36%inclusion27 decks75 decks
34%synergy
Soul Shatter
28%inclusion21 decks75 decks
16%synergy
Sudden Spoiling
28%inclusion21 decks75 decks
19%synergy
Baleful Mastery
27%inclusion20 decks75 decks
18%synergy
Darkness
25%inclusion19 decks75 decks
15%synergy
Imp's Mischief
24%inclusion18 decks75 decks
-1%synergy
Consuming Corruption
24%inclusion18 decks75 decks
8%synergy
Go for the Throat
24%inclusion18 decks75 decks
1%synergy
Deadly Rollick
23%inclusion17 decks75 decks
-2%synergy
Fell the Profane
23%inclusion17 decks75 decks
4%synergy
Malakir Rebirth
23%inclusion17 decks75 decks
0%synergy
Grim Return
17%inclusion13 decks75 decks
16%synergy
Snuff Out
16%inclusion12 decks75 decks
3%synergy
The Spot's Portal
15%inclusion7 decks46 decks
15%synergy
Force of Despair
13%inclusion10 decks75 decks
6%synergy
Doom Blade
12%inclusion9 decks75 decks
5%synergy
Hero's Downfall
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4%synergy
Deadly Dispute
11%inclusion8 decks75 decks
-15%synergy
Hagra Mauling
9.3%inclusion7 decks75 decks
5%synergy
Thrilling Encore
9.3%inclusion7 decks75 decks
8%synergy
Cabal Ritual
9.3%inclusion7 decks75 decks
-9%synergy
Withering Boon
9.3%inclusion7 decks75 decks
5%synergy
Murder
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-2%synergy
Tragic Slip
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-12%synergy
Archenemy's Charm
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-1%synergy
Village Rites
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-19%synergy
Pain 101
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4%synergy
Sheoldred's Edict
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-9%synergy
Sorceries
Damnation
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25%synergy
Night's Whisper
43%inclusion32 decks75 decks
18%synergy
Exsanguinate
37%inclusion28 decks75 decks
13%synergy
Rise of the Dark Realms
37%inclusion28 decks75 decks
24%synergy
Toxic Deluge
35%inclusion26 decks75 decks
-2%synergy
Heartless Conscription
33%inclusion25 decks75 decks
32%synergy
Bubbling Muck
31%inclusion23 decks75 decks
15%synergy
Praetor's Grasp
29%inclusion22 decks75 decks
25%synergy
Cruelclaw's Heist
29%inclusion22 decks75 decks
27%synergy
Dredge the Mire
27%inclusion20 decks75 decks
26%synergy
Torment of Hailfire
24%inclusion18 decks75 decks
9%synergy
Mutilate
24%inclusion18 decks75 decks
7%synergy
Read the Bones
23%inclusion17 decks75 decks
6%synergy
Beacon of Unrest
17%inclusion13 decks75 decks
13%synergy
Visions of Dread
16%inclusion12 decks75 decks
16%synergy
Victimize
16%inclusion12 decks75 decks
-11%synergy
Syphon Mind
15%inclusion11 decks75 decks
2%synergy
Blasphemous Edict
14%inclusion10 decks74 decks
-3%synergy
Diabolic Tutor
13%inclusion10 decks75 decks
-1%synergy
Insatiable Avarice
13%inclusion10 decks75 decks
2%synergy
Grim Tutor
13%inclusion10 decks75 decks
2%synergy
Shadow of the Enemy
12%inclusion9 decks75 decks
11%synergy
Blood Money
12%inclusion9 decks75 decks
9%synergy
Decree of Pain
12%inclusion9 decks75 decks
7%synergy
Necromantic Selection
12%inclusion9 decks75 decks
10%synergy
Xander's Pact
11%inclusion8 decks75 decks
10%synergy
Profane Transfusion
9.3%inclusion7 decks75 decks
8%synergy
Petty Larceny
9.3%inclusion7 decks75 decks
9%synergy
In Garruk's Wake
9.3%inclusion7 decks75 decks
5%synergy
Profane Tutor
8.0%inclusion6 decks75 decks
4%synergy
Come Back Wrong
8.0%inclusion6 decks75 decks
5%synergy
Predators' Hour
8.0%inclusion6 decks75 decks
7%synergy
Psychotic Episode
6.7%inclusion5 decks75 decks
7%synergy
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6.7%inclusion5 decks75 decks
-1%synergy
Yawgmoth's Vile Offering
6.7%inclusion5 decks75 decks
6%synergy
Ambition's Cost
6.7%inclusion5 decks75 decks
4%synergy
Dead of Winter
6.7%inclusion5 decks75 decks
6%synergy
Extinguish All Hope
6.7%inclusion5 decks75 decks
6%synergy
Sanguimancy
6.7%inclusion5 decks75 decks
6%synergy
Diabolic Intent
5.3%inclusion4 decks75 decks
-10%synergy
Black Sun's Zenith
5.3%inclusion4 decks75 decks
0%synergy
Blood on the Snow
5.3%inclusion4 decks75 decks
4%synergy
Deadly Tempest
5.3%inclusion4 decks75 decks
3%synergy
Ashen Powder
5.3%inclusion4 decks75 decks
5%synergy
Beseech the Queen
5.3%inclusion4 decks75 decks
-1%synergy
Worst Fears
5.3%inclusion4 decks75 decks
5%synergy
Utility Artifacts
The Darkness Crystal
47%inclusion28 decks60 decks
27%synergy
Staff of Eden, Vault's Key
32%inclusion24 decks75 decks
31%synergy
Lightning Greaves
31%inclusion23 decks75 decks
-3%synergy
Bontu's Monument
29%inclusion22 decks75 decks
1%synergy
Wayfarer's Bauble
27%inclusion20 decks75 decks
11%synergy
Swiftfoot Boots
27%inclusion20 decks75 decks
-5%synergy
Reito Lantern
27%inclusion20 decks75 decks
27%synergy
Expedition Map
25%inclusion19 decks75 decks
14%synergy
Whip of Erebos
20%inclusion15 decks75 decks
9%synergy
Realmbreaker, the Invasion Tree
16%inclusion12 decks75 decks
15%synergy
Portal to Phyrexia
13%inclusion10 decks75 decks
12%synergy
Strionic Resonator
13%inclusion10 decks75 decks
12%synergy
Chaos Wand
9.3%inclusion7 decks75 decks
9%synergy
Nautiloid Ship
9.3%inclusion7 decks75 decks
9%synergy
Mindcrank
9.3%inclusion7 decks75 decks
4%synergy
Vedalken Orrery
8.0%inclusion6 decks75 decks
7%synergy
Fishing Gear
6.8%inclusion3 decks44 decks
7%synergy
Dream-Thief's Bandana
6.7%inclusion5 decks75 decks
6%synergy
Commander's Plate
6.7%inclusion5 decks75 decks
1%synergy
Mask of Griselbrand
5.3%inclusion4 decks75 decks
2%synergy
The Cauldron of Eternity
5.3%inclusion4 decks75 decks
5%synergy
Enchantments
Court of Locthwain
47%inclusion35 decks75 decks
45%synergy
Animate Dead
47%inclusion35 decks75 decks
29%synergy
Black Market
39%inclusion29 decks75 decks
18%synergy
Grave Betrayal
35%inclusion26 decks75 decks
32%synergy
Dead Man's Chest
35%inclusion26 decks75 decks
34%synergy
Black Market Connections
24%inclusion18 decks75 decks
0%synergy
No Mercy
23%inclusion17 decks75 decks
15%synergy
Virtue of Persistence
23%inclusion17 decks75 decks
18%synergy
Meathook Massacre II
17%inclusion13 decks75 decks
11%synergy
Minion's Return
13%inclusion10 decks75 decks
13%synergy
Necromancy
13%inclusion10 decks75 decks
8%synergy
Protection Racket
12%inclusion9 decks75 decks
11%synergy
The Eldest Reborn
12%inclusion9 decks75 decks
8%synergy
Oubliette
12%inclusion9 decks75 decks
9%synergy
Dance of the Dead
9.3%inclusion7 decks75 decks
6%synergy
Heartless Summoning
9.3%inclusion7 decks75 decks
5%synergy
The Meathook Massacre
8.0%inclusion6 decks75 decks
-9%synergy
Exquisite Blood
8.0%inclusion6 decks75 decks
-5%synergy
The Cruelty of Gix
6.7%inclusion5 decks75 decks
5%synergy
Hedonist's Trove
6.7%inclusion5 decks75 decks
6%synergy
Kaya's Ghostform
6.7%inclusion5 decks75 decks
-3%synergy
Parasitic Impetus
6.7%inclusion5 decks75 decks
6%synergy
Greed
5.3%inclusion4 decks75 decks
-1%synergy
Painful Quandary
5.3%inclusion4 decks75 decks
-5%synergy
Bloodchief Ascension
5.3%inclusion4 decks75 decks
-4%synergy
Bitterblossom
5.3%inclusion4 decks75 decks
-8%synergy
Planeswalkers
Liliana of the Dark Realms
36%inclusion27 decks75 decks
22%synergy
Tevesh Szat, Doom of Fools
6.7%inclusion5 decks75 decks
4%synergy
Liliana Vess
5.3%inclusion4 decks75 decks
2%synergy
Sorin Markov
5.3%inclusion4 decks75 decks
3%synergy
Utility Lands
Cabal Coffers
87%inclusion65 decks75 decks
32%synergy
Cabal Stronghold
72%inclusion54 decks75 decks
37%synergy
Urborg, Tomb of Yawgmoth
59%inclusion44 decks75 decks
21%synergy
Nykthos, Shrine to Nyx
51%inclusion38 decks75 decks
21%synergy
Bojuka Bog
47%inclusion35 decks75 decks
0%synergy
Castle Locthwain
36%inclusion27 decks75 decks
19%synergy
Reliquary Tower
36%inclusion27 decks75 decks
6%synergy
Witch's Cottage
29%inclusion22 decks75 decks
5%synergy
War Room
27%inclusion20 decks75 decks
11%synergy
Takenuma, Abandoned Mire
25%inclusion19 decks75 decks
10%synergy
Temple of the False God
25%inclusion19 decks75 decks
18%synergy
Thespian's Stage
23%inclusion17 decks75 decks
17%synergy
Phyrexian Tower
21%inclusion16 decks75 decks
-4%synergy
Command Beacon
16%inclusion12 decks75 decks
8%synergy
Rogue's Passage
16%inclusion12 decks75 decks
-3%synergy
Maze of Ith
13%inclusion10 decks75 decks
10%synergy
Mortuary Mire
11%inclusion8 decks75 decks
-2%synergy
Barren Moor
11%inclusion8 decks75 decks
1%synergy
Crypt of Agadeem
11%inclusion8 decks75 decks
-1%synergy
Deserted Temple
11%inclusion8 decks75 decks
6%synergy
Havengul Laboratory
11%inclusion8 decks75 decks
10%synergy
Shizo, Death's Storehouse
9.3%inclusion7 decks75 decks
-1%synergy
Vesuva
6.7%inclusion5 decks75 decks
4%synergy
Emergence Zone
6.7%inclusion5 decks75 decks
3%synergy
Geier Reach Sanitarium
6.7%inclusion5 decks75 decks
-4%synergy
Barad-dûr
6.7%inclusion5 decks75 decks
3%synergy
Susur Secundi, Void Altar
5.7%inclusion3 decks53 decks
-2%synergy
Mana Artifacts
Sol Ring
95%inclusion71 decks75 decks
9%synergy
Arcane Signet
67%inclusion50 decks75 decks
5%synergy
Thought Vessel
36%inclusion27 decks75 decks
10%synergy
Thran Dynamo
35%inclusion26 decks75 decks
29%synergy
Mind Stone
35%inclusion26 decks75 decks
6%synergy
Nyx Lotus
35%inclusion26 decks75 decks
28%synergy
Charcoal Diamond
29%inclusion22 decks75 decks
7%synergy
Fellwar Stone
25%inclusion19 decks75 decks
11%synergy
Caged Sun
23%inclusion17 decks75 decks
11%synergy
Gilded Lotus
19%inclusion14 decks75 decks
13%synergy
Sceptre of Eternal Glory
19%inclusion14 decks75 decks
10%synergy
Vessel of Endless Rest
16%inclusion12 decks75 decks
16%synergy
Throne of Eldraine
16%inclusion12 decks75 decks
6%synergy
Commander's Sphere
15%inclusion11 decks75 decks
6%synergy
Everflowing Chalice
13%inclusion10 decks75 decks
8%synergy
Worn Powerstone
12%inclusion9 decks75 decks
8%synergy
The Soul Stone
12%inclusion6 decks52 decks
-3%synergy
Extraplanar Lens
11%inclusion8 decks75 decks
6%synergy
Gauntlet of Power
8.0%inclusion6 decks75 decks
5%synergy
Hedron Archive
8.0%inclusion6 decks75 decks
5%synergy
Lands
Swamp
83%inclusion62 decks75 decks
-12%synergy
Myriad Landscape
47%inclusion35 decks75 decks
21%synergy
Fell the Profane
23%inclusion17 decks75 decks
4%synergy
Malakir Rebirth
23%inclusion17 decks75 decks
0%synergy
Urza's Cave
19%inclusion14 decks75 decks
10%synergy
Snow-Covered Swamp
17%inclusion13 decks75 decks
11%synergy
Hagra Mauling
9.3%inclusion7 decks75 decks
5%synergy
Demolition Field
8.0%inclusion6 decks75 decks
3%synergy
Agadeem's Awakening
6.7%inclusion5 decks75 decks
-1%synergy
Command Tower
5.3%inclusion4 decks75 decks
0%synergy
Exotic Orchard
5.3%inclusion4 decks75 decks
4%synergy
Boggart Trawler
5.3%inclusion4 decks75 decks
-4%synergy