Mind Flayer, the Shadow (Commander) - Upgraded Theft

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,420
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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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97%synergy
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65%synergy
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16%synergy
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63%synergy
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49%synergy
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63%synergy
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67%inclusion6 decks9 decks
64%synergy
Breach the Multiverse
67%inclusion6 decks9 decks
61%synergy
Consuming Corruption
56%inclusion5 decks9 decks
40%synergy
Game Changers
Bolas's Citadel
33%inclusion3 decks9 decks
5%synergy
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22%inclusion2 decks9 decks
11%synergy
Opposition Agent
11%inclusion1 decks9 decks
2%synergy
Demonic Tutor
11%inclusion1 decks9 decks
-16%synergy
Tergrid, God of Fright
11%inclusion1 decks9 decks
4%synergy
Necropotence
11%inclusion1 decks9 decks
-3%synergy
Field of the Dead
11%inclusion1 decks9 decks
10%synergy
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5%synergy
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-10%synergy
Creatures
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55%synergy
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23%synergy
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40%synergy
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43%synergy
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34%synergy
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44%synergy
Tinybones, the Pickpocket
44%inclusion4 decks9 decks
39%synergy
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44%inclusion4 decks9 decks
41%synergy
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40%synergy
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38%synergy
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32%synergy
Burnished Hart
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26%synergy
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28%synergy
Reito Sentinel
33%inclusion3 decks9 decks
33%synergy
Emeritus of Woe
33%inclusion1 decks3 decks
26%synergy
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25%inclusion2 decks8 decks
22%synergy
Bismuth Mindrender
22%inclusion2 decks9 decks
22%synergy
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22%inclusion2 decks9 decks
2%synergy
Magus of the Coffers
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16%synergy
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18%synergy
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11%synergy
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22%synergy
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21%synergy
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22%synergy
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22%inclusion2 decks9 decks
20%synergy
Gix, Yawgmoth Praetor
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17%synergy
Rakshasa Debaser
22%inclusion2 decks9 decks
21%synergy
Kheru Mind-Eater
22%inclusion2 decks9 decks
22%synergy
Gwenom, Remorseless
17%inclusion1 decks6 decks
13%synergy
Chrome Companion
14%inclusion1 decks7 decks
14%synergy
The Warring Triad
13%inclusion1 decks8 decks
11%synergy
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-2%synergy
Alchemist's Assistant
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11%synergy
Plaguecrafter
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-13%synergy
Eye Collector
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10%synergy
Massacre Girl
11%inclusion1 decks9 decks
4%synergy
Hoverstone Pilgrim
11%inclusion1 decks9 decks
11%synergy
Wandering Archaic
11%inclusion1 decks9 decks
11%synergy
Varragoth, Bloodsky Sire
11%inclusion1 decks9 decks
7%synergy
Abyssal Harvester
11%inclusion1 decks9 decks
7%synergy
Junji, the Midnight Sky
11%inclusion1 decks9 decks
6%synergy
Thieves' Guild Enforcer
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10%synergy
Myojin of Grim Betrayal
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11%inclusion1 decks9 decks
11%synergy
Sheoldred, Whispering One
11%inclusion1 decks9 decks
-0%synergy
Royal Assassin
11%inclusion1 decks9 decks
8%synergy
Pitiless Plunderer
11%inclusion1 decks9 decks
-9%synergy
Geode Golem
11%inclusion1 decks9 decks
10%synergy
Liliana, Heretical Healer
11%inclusion1 decks9 decks
8%synergy
Instants
Dark Ritual
56%inclusion5 decks9 decks
-11%synergy
Infernal Grasp
56%inclusion5 decks9 decks
30%synergy
Malakir Rebirth
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32%synergy
Defile
44%inclusion4 decks9 decks
9%synergy
Outrageous Robbery
44%inclusion4 decks9 decks
43%synergy
Pain 101
40%inclusion2 decks5 decks
39%synergy
Force of Despair
33%inclusion3 decks9 decks
26%synergy
Undying Malice
33%inclusion3 decks9 decks
23%synergy
Baleful Mastery
33%inclusion3 decks9 decks
25%synergy
Deadly Rollick
22%inclusion2 decks9 decks
-3%synergy
Stinging Study
22%inclusion2 decks9 decks
20%synergy
Thrilling Encore
22%inclusion2 decks9 decks
21%synergy
Go for the Throat
22%inclusion2 decks9 decks
-0%synergy
Imp's Mischief
22%inclusion2 decks9 decks
-3%synergy
Not Dead After All
22%inclusion2 decks9 decks
11%synergy
Deadly Dispute
22%inclusion2 decks9 decks
-4%synergy
Doom Blade
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15%synergy
Soul Shatter
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11%synergy
Spoils of Evil
22%inclusion2 decks9 decks
22%synergy
Grim Return
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21%synergy
Sudden Spoiling
22%inclusion2 decks9 decks
14%synergy
The Spot's Portal
17%inclusion1 decks6 decks
16%synergy
Fell the Profane
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-8%synergy
Sheoldred's Edict
11%inclusion1 decks9 decks
-4%synergy
Snuff Out
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-2%synergy
Heartless Act
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9%synergy
Village Rites
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-14%synergy
Undying Evil
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8%synergy
Hatred
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10%synergy
Renegade's Getaway
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11%synergy
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7%synergy
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8%synergy
Darkness
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1%synergy
Black Sun's Twilight
11%inclusion1 decks9 decks
8%synergy
Power Word Kill
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10%synergy
Abnormal Endurance
11%inclusion1 decks9 decks
10%synergy
Treacherous Urge
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11%synergy
Feign Death
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3%synergy
Dismember
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1%synergy
Sorceries
Cruelclaw's Heist
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53%synergy
Reanimate
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15%synergy
Sign in Blood
56%inclusion5 decks9 decks
21%synergy
Damnation
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35%synergy
Dredge the Mire
44%inclusion4 decks9 decks
44%synergy
Feed the Swarm
44%inclusion4 decks9 decks
-6%synergy
Night's Whisper
44%inclusion4 decks9 decks
20%synergy
Exsanguinate
44%inclusion4 decks9 decks
20%synergy
Torment of Hailfire
33%inclusion3 decks9 decks
18%synergy
Bubbling Muck
33%inclusion3 decks9 decks
18%synergy
Predators' Hour
33%inclusion3 decks9 decks
32%synergy
Read the Bones
33%inclusion3 decks9 decks
17%synergy
Toxic Deluge
33%inclusion3 decks9 decks
-3%synergy
Decorum Dissertation
33%inclusion1 decks3 decks
27%synergy
Visions of Dread
22%inclusion2 decks9 decks
22%synergy
Blasphemous Edict
22%inclusion2 decks9 decks
6%synergy
Syphon Mind
22%inclusion2 decks9 decks
10%synergy
Beacon of Unrest
22%inclusion2 decks9 decks
18%synergy
Worst Fears
22%inclusion2 decks9 decks
22%synergy
Life's Finale
11%inclusion1 decks9 decks
10%synergy
Afterlife from the Loam
11%inclusion1 decks9 decks
10%synergy
Will of the Abzan
11%inclusion1 decks9 decks
8%synergy
Profane Tutor
11%inclusion1 decks9 decks
7%synergy
Come Back Wrong
11%inclusion1 decks9 decks
9%synergy
Xander's Pact
11%inclusion1 decks9 decks
11%synergy
Dead of Winter
11%inclusion1 decks9 decks
10%synergy
Shadow of the Enemy
11%inclusion1 decks9 decks
11%synergy
Dread Summons
11%inclusion1 decks9 decks
9%synergy
Mutilate
11%inclusion1 decks9 decks
-5%synergy
Blood Money
11%inclusion1 decks9 decks
8%synergy
Consume Spirit
11%inclusion1 decks9 decks
10%synergy
Decree of Pain
11%inclusion1 decks9 decks
6%synergy
Diresight
11%inclusion1 decks9 decks
8%synergy
Corrupt
11%inclusion1 decks9 decks
9%synergy
Insatiable Avarice
11%inclusion1 decks9 decks
-0%synergy
Essence Harvest
11%inclusion1 decks9 decks
10%synergy
Necromantic Selection
11%inclusion1 decks9 decks
9%synergy
Deadly Tempest
11%inclusion1 decks9 decks
9%synergy
From the Catacombs
11%inclusion1 decks9 decks
11%synergy
Ghouls' Night Out
11%inclusion1 decks9 decks
10%synergy
Ashen Powder
11%inclusion1 decks9 decks
11%synergy
Rise of the Dark Realms
11%inclusion1 decks9 decks
-2%synergy
Grim Tutor
11%inclusion1 decks9 decks
-0%synergy
Shared Trauma
11%inclusion1 decks9 decks
11%synergy
Sanguimancy
11%inclusion1 decks9 decks
11%synergy
Utility Artifacts
The Darkness Crystal
38%inclusion3 decks8 decks
17%synergy
Expedition Map
33%inclusion3 decks9 decks
22%synergy
Bontu's Monument
33%inclusion3 decks9 decks
5%synergy
Staff of Eden, Vault's Key
33%inclusion3 decks9 decks
32%synergy
Mindcrank
33%inclusion3 decks9 decks
28%synergy
Fishing Gear
33%inclusion2 decks6 decks
33%synergy
Chaos Wand
22%inclusion2 decks9 decks
22%synergy
Lithoform Engine
22%inclusion2 decks9 decks
22%synergy
Wayfarer's Bauble
22%inclusion2 decks9 decks
7%synergy
Dream-Thief's Bandana
22%inclusion2 decks9 decks
21%synergy
Whip of Erebos
22%inclusion2 decks9 decks
11%synergy
Helm of the Host
22%inclusion2 decks9 decks
21%synergy
Whispersilk Cloak
22%inclusion2 decks9 decks
16%synergy
Lightning Greaves
22%inclusion2 decks9 decks
-12%synergy
Mesmeric Orb
11%inclusion1 decks9 decks
8%synergy
Lashwrithe
11%inclusion1 decks9 decks
7%synergy
Mithril Coat
11%inclusion1 decks9 decks
6%synergy
Aetherflux Reservoir
11%inclusion1 decks9 decks
2%synergy
Mind's Eye
11%inclusion1 decks9 decks
11%synergy
Mirage Mirror
11%inclusion1 decks9 decks
10%synergy
Realmbreaker, the Invasion Tree
11%inclusion1 decks9 decks
10%synergy
Wishclaw Talisman
11%inclusion1 decks9 decks
4%synergy
Cybership
11%inclusion1 decks9 decks
11%synergy
Mask of Griselbrand
11%inclusion1 decks9 decks
8%synergy
Altar of the Brood
11%inclusion1 decks9 decks
9%synergy
Altar of the Wretched
11%inclusion1 decks9 decks
10%synergy
Strionic Resonator
11%inclusion1 decks9 decks
10%synergy
Reito Lantern
11%inclusion1 decks9 decks
11%synergy
Helm of Awakening
11%inclusion1 decks9 decks
10%synergy
Enchantments
Dead Man's Chest
56%inclusion5 decks9 decks
55%synergy
Black Market
44%inclusion4 decks9 decks
24%synergy
Phyrexian Arena
44%inclusion4 decks9 decks
5%synergy
Changing Loyalty
25%inclusion1 decks4 decks
24%synergy
Dance of the Dead
22%inclusion2 decks9 decks
19%synergy
The Cruelty of Gix
22%inclusion2 decks9 decks
21%synergy
The Eldest Reborn
22%inclusion2 decks9 decks
19%synergy
Meathook Massacre II
22%inclusion2 decks9 decks
16%synergy
Necromancy
22%inclusion2 decks9 decks
17%synergy
Minion's Return
22%inclusion2 decks9 decks
21%synergy
Grave Betrayal
22%inclusion2 decks9 decks
20%synergy
Heartless Summoning
22%inclusion2 decks9 decks
17%synergy
Chorale of the Void
17%inclusion1 decks6 decks
16%synergy
Grave Venerations
17%inclusion1 decks6 decks
14%synergy
Greed
11%inclusion1 decks9 decks
5%synergy
Underworld Connections
11%inclusion1 decks9 decks
9%synergy
Protection Racket
11%inclusion1 decks9 decks
11%synergy
Grave Pact
11%inclusion1 decks9 decks
-8%synergy
Exquisite Blood
11%inclusion1 decks9 decks
-2%synergy
Hedonist's Trove
11%inclusion1 decks9 decks
11%synergy
Kaya's Ghostform
11%inclusion1 decks9 decks
1%synergy
No Mercy
11%inclusion1 decks9 decks
4%synergy
Oubliette
11%inclusion1 decks9 decks
8%synergy
Black Market Connections
11%inclusion1 decks9 decks
-13%synergy
Revenge of Ravens
11%inclusion1 decks9 decks
9%synergy
Virtue of Persistence
11%inclusion1 decks9 decks
6%synergy
Planeswalkers
Liliana of the Dark Realms
33%inclusion3 decks9 decks
19%synergy
Tevesh Szat, Doom of Fools
11%inclusion1 decks9 decks
8%synergy
Utility Lands
Cabal Coffers
89%inclusion8 decks9 decks
34%synergy
Cabal Stronghold
78%inclusion7 decks9 decks
43%synergy
Nykthos, Shrine to Nyx
67%inclusion6 decks9 decks
37%synergy
Urborg, Tomb of Yawgmoth
56%inclusion5 decks9 decks
18%synergy
Bojuka Bog
44%inclusion4 decks9 decks
-3%synergy
Witch's Cottage
44%inclusion4 decks9 decks
20%synergy
Reliquary Tower
44%inclusion4 decks9 decks
15%synergy
Takenuma, Abandoned Mire
33%inclusion3 decks9 decks
18%synergy
Temple of the False God
33%inclusion3 decks9 decks
26%synergy
Shizo, Death's Storehouse
22%inclusion2 decks9 decks
12%synergy
Phyrexian Tower
22%inclusion2 decks9 decks
-4%synergy
Mortuary Mire
22%inclusion2 decks9 decks
9%synergy
Command Beacon
22%inclusion2 decks9 decks
14%synergy
Castle Locthwain
22%inclusion2 decks9 decks
6%synergy
Rogue's Passage
22%inclusion2 decks9 decks
3%synergy
Vault of Whispers
11%inclusion1 decks9 decks
6%synergy
Ghost Quarter
11%inclusion1 decks9 decks
9%synergy
Buried Ruin
11%inclusion1 decks9 decks
6%synergy
Maze of Ith
11%inclusion1 decks9 decks
8%synergy
Crypt of Agadeem
11%inclusion1 decks9 decks
-0%synergy
War Room
11%inclusion1 decks9 decks
-5%synergy
Geier Reach Sanitarium
11%inclusion1 decks9 decks
0%synergy
Deserted Temple
11%inclusion1 decks9 decks
7%synergy
Thespian's Stage
11%inclusion1 decks9 decks
6%synergy
Lake of the Dead
11%inclusion1 decks9 decks
6%synergy
Dakmor Salvage
11%inclusion1 decks9 decks
9%synergy
Mana Artifacts
Sol Ring
100%inclusion9 decks9 decks
14%synergy
Nyx Lotus
67%inclusion6 decks9 decks
61%synergy
Thran Dynamo
56%inclusion5 decks9 decks
50%synergy
Arcane Signet
44%inclusion4 decks9 decks
-17%synergy
Vessel of Endless Rest
33%inclusion3 decks9 decks
33%synergy
Thought Vessel
33%inclusion3 decks9 decks
8%synergy
Worn Powerstone
33%inclusion3 decks9 decks
29%synergy
Extraplanar Lens
33%inclusion3 decks9 decks
28%synergy
Everflowing Chalice
22%inclusion2 decks9 decks
17%synergy
Charcoal Diamond
22%inclusion2 decks9 decks
0%synergy
Gilded Lotus
22%inclusion2 decks9 decks
17%synergy
Mind Stone
22%inclusion2 decks9 decks
-6%synergy
Sceptre of Eternal Glory
22%inclusion2 decks9 decks
14%synergy
The Soul Stone
17%inclusion1 decks6 decks
1%synergy
Caged Sun
11%inclusion1 decks9 decks
0%synergy
Hedron Archive
11%inclusion1 decks9 decks
8%synergy
Throne of Eldraine
11%inclusion1 decks9 decks
2%synergy
Decanter of Endless Water
11%inclusion1 decks9 decks
8%synergy
Fellwar Stone
11%inclusion1 decks9 decks
-3%synergy
The Celestus
11%inclusion1 decks9 decks
11%synergy
Skyclave Relic
11%inclusion1 decks9 decks
11%synergy
Lands
Swamp
67%inclusion6 decks9 decks
-29%synergy
Myriad Landscape
56%inclusion5 decks9 decks
31%synergy
Malakir Rebirth
56%inclusion5 decks9 decks
32%synergy
Snow-Covered Swamp
44%inclusion4 decks9 decks
38%synergy
Fell the Profane
11%inclusion1 decks9 decks
-8%synergy
Urza's Cave
11%inclusion1 decks9 decks
3%synergy
Demolition Field
11%inclusion1 decks9 decks
6%synergy
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