Arvinox, the Mind Flail (Commander)

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,373
1,169decks
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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9%synergy
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High Synergy Cards
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49%synergy
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4%synergy
Gray Merchant of Asphodel
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34%synergy
Game Changers
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19%synergy
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-4%synergy
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-6%synergy
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-7%synergy
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-4%synergy
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43%synergy
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32%synergy
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16%synergy
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10%synergy
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1%synergy
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20%synergy
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17%synergy
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12%synergy
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Abyssal Harvester
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Blightwing Bandit
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Massacre Girl
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-1%synergy
Instants
Outrageous Robbery
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44%synergy
Infernal Grasp
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15%synergy
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Go for the Throat
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Consuming Corruption
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Stinging Study
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Grim Return
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Darkness
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5%synergy
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6%synergy
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Thrilling Encore
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Murder
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Force of Despair
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2%synergy
Snuff Out
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-3%synergy
Hero's Downfall
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3%synergy
Sheoldred's Edict
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-6%synergy
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The Spot's Portal
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8%synergy
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-13%synergy
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-3%synergy
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-19%synergy
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2%synergy
Culling the Weak
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-10%synergy
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2%synergy
Sorceries
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14%synergy
Breach the Multiverse
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41%synergy
Heartless Conscription
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37%synergy
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Damnation
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14%synergy
Read the Bones
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13%synergy
Praetor's Grasp
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26%synergy
Exsanguinate
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-9%synergy
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24%synergy
Torment of Hailfire
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Syphon Mind
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4%synergy
Shadow of the Enemy
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Beacon of Unrest
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11%synergy
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-3%synergy
Victimize
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-13%synergy
Predators' Hour
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12%synergy
Necromantic Selection
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11%synergy
In Garruk's Wake
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6%synergy
Diabolic Tutor
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-4%synergy
Come Back Wrong
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7%synergy
Decree of Pain
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4%synergy
Blood Money
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6%synergy
Insatiable Avarice
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-4%synergy
Extinguish All Hope
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7%synergy
Grim Tutor
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-5%synergy
Xander's Pact
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6%synergy
Ghouls' Night Out
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6%synergy
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5%synergy
Profane Transfusion
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4%synergy
Psychotic Episode
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6%synergy
Worst Fears
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5%synergy
Deadly Tempest
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3%synergy
Ancient Craving
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3%synergy
Utility Artifacts
The Darkness Crystal
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Wayfarer's Bauble
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21%synergy
Staff of Eden, Vault's Key
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34%synergy
Reito Lantern
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34%synergy
Bontu's Monument
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2%synergy
Realmbreaker, the Invasion Tree
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26%synergy
Expedition Map
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15%synergy
Lightning Greaves
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-8%synergy
Swiftfoot Boots
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-9%synergy
Strionic Resonator
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20%synergy
Whip of Erebos
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3%synergy
Chaos Wand
13%inclusion150 decks1.17K decks
13%synergy
Portal to Phyrexia
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9%synergy
Mindcrank
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3%synergy
The Cauldron of Eternity
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7%synergy
Lithoform Engine
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6%synergy
Manascape Refractor
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6%synergy
Mask of Griselbrand
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3%synergy
World Map
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4%synergy
Mimic Vat
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4%synergy
Enchantments
Phyrexian Arena
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7%synergy
Grave Betrayal
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35%synergy
Black Market
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12%synergy
Animate Dead
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15%synergy
The Eldest Reborn
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20%synergy
Virtue of Persistence
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16%synergy
Black Market Connections
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-4%synergy
No Mercy
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9%synergy
Meathook Massacre II
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10%synergy
Minion's Return
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14%synergy
Hedonist's Trove
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11%synergy
The Meathook Massacre
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-8%synergy
Heartless Summoning
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3%synergy
Protection Racket
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7%synergy
Necromancy
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2%synergy
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4%synergy
The Cruelty of Gix
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5%synergy
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-4%synergy
Dance of the Dead
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2%synergy
Greed
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-2%synergy
Planeswalkers
Liliana of the Dark Realms
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23%synergy
Tevesh Szat, Doom of Fools
8.8%inclusion103 decks1.17K decks
6%synergy
Utility Lands
Cabal Coffers
66%inclusion773 decks1.17K decks
11%synergy
Cabal Stronghold
59%inclusion687 decks1.17K decks
24%synergy
Urborg, Tomb of Yawgmoth
45%inclusion521 decks1.17K decks
7%synergy
Nykthos, Shrine to Nyx
44%inclusion520 decks1.17K decks
15%synergy
Bojuka Bog
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-4%synergy
Witch's Cottage
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6%synergy
Reliquary Tower
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0%synergy
Temple of the False God
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17%synergy
War Room
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8%synergy
Castle Locthwain
23%inclusion267 decks1.17K decks
6%synergy
Rogue's Passage
19%inclusion220 decks1.17K decks
0%synergy
Thespian's Stage
17%inclusion195 decks1.17K decks
11%synergy
Takenuma, Abandoned Mire
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1%synergy
Phyrexian Tower
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-14%synergy
Mortuary Mire
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-2%synergy
Vesuva
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7%synergy
Command Beacon
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1%synergy
Barren Moor
9.2%inclusion108 decks1.17K decks
-1%synergy
Deserted Temple
7.9%inclusion92 decks1.17K decks
4%synergy
Havengul Laboratory
7.9%inclusion92 decks1.17K decks
8%synergy
Crypt of Agadeem
7.4%inclusion87 decks1.17K decks
-4%synergy
Maze of Ith
6.8%inclusion80 decks1.17K decks
4%synergy
Urza's Saga
6.5%inclusion76 decks1.17K decks
-1%synergy
Mana Artifacts
Sol Ring
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5%synergy
Arcane Signet
68%inclusion800 decks1.17K decks
7%synergy
Mind Stone
48%inclusion558 decks1.17K decks
19%synergy
Charcoal Diamond
44%inclusion515 decks1.17K decks
22%synergy
Thran Dynamo
41%inclusion477 decks1.17K decks
35%synergy
Thought Vessel
37%inclusion434 decks1.17K decks
11%synergy
Caged Sun
35%inclusion412 decks1.17K decks
24%synergy
Nyx Lotus
34%inclusion395 decks1.17K decks
27%synergy
Fellwar Stone
28%inclusion331 decks1.17K decks
14%synergy
Throne of Eldraine
24%inclusion276 decks1.17K decks
14%synergy
Sceptre of Eternal Glory
23%inclusion269 decks1.17K decks
15%synergy
Gilded Lotus
20%inclusion228 decks1.17K decks
14%synergy
Worn Powerstone
18%inclusion212 decks1.17K decks
14%synergy
The Soul Stone
16%inclusion95 decks576 decks
2%synergy
Commander's Sphere
16%inclusion192 decks1.17K decks
8%synergy
Vessel of Endless Rest
16%inclusion186 decks1.17K decks
16%synergy
Everflowing Chalice
15%inclusion172 decks1.17K decks
9%synergy
Extraplanar Lens
13%inclusion156 decks1.17K decks
8%synergy
Gauntlet of Power
13%inclusion150 decks1.17K decks
10%synergy
Hedron Archive
13%inclusion148 decks1.17K decks
9%synergy
Coldsteel Heart
5.4%inclusion63 decks1.17K decks
4%synergy
Lands
Swamp
87%inclusion1.02K decks1.17K decks
-8%synergy
Myriad Landscape
51%inclusion595 decks1.17K decks
25%synergy
Snow-Covered Swamp
15%inclusion178 decks1.17K decks
9%synergy
Fell the Profane
14%inclusion163 decks1.15K decks
-5%synergy
Malakir Rebirth
13%inclusion157 decks1.17K decks
-9%synergy
Urza's Cave
13%inclusion148 decks1.17K decks
4%synergy
Exotic Orchard
8.9%inclusion104 decks1.17K decks
8%synergy
Demolition Field
7.5%inclusion88 decks1.17K decks
2%synergy
Command Tower
7.0%inclusion82 decks1.17K decks
1%synergy
Hagra Mauling
6.2%inclusion72 decks1.17K decks
2%synergy