Arvinox, the Mind Flail (Commander)

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,334
1,075decks
Background image for How To Play Horrors Differently In Commander
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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49%synergy
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13%synergy
Game Changers
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-5%synergy
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-7%synergy
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-1%synergy
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-8%synergy
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33%synergy
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37%synergy
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24%synergy
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35%synergy
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32%synergy
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23%synergy
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21%synergy
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3%synergy
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17%synergy
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9%synergy
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21%synergy
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10%synergy
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19%synergy
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44%synergy
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15%synergy
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Darkness
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-2%synergy
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-15%synergy
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2%synergy
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2%synergy
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41%synergy
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36%synergy
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25%synergy
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17%synergy
Syphon Mind
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4%synergy
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Predators' Hour
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13%synergy
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-13%synergy
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11%synergy
In Garruk's Wake
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7%synergy
Diabolic Tutor
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-4%synergy
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7%synergy
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4%synergy
Blood Money
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6%synergy
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-4%synergy
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8%synergy
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-5%synergy
Extinguish All Hope
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7%synergy
Profane Transfusion
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Deadly Tempest
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5%synergy
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6%synergy
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6%synergy
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6%synergy
Psychotic Episode
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6%synergy
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-1%synergy
Blood on the Snow
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4%synergy
Utility Artifacts
The Darkness Crystal
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18%synergy
Reito Lantern
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36%synergy
Wayfarer's Bauble
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19%synergy
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33%synergy
Realmbreaker, the Invasion Tree
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27%synergy
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0%synergy
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15%synergy
Lightning Greaves
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-8%synergy
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22%synergy
Swiftfoot Boots
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-10%synergy
Whip of Erebos
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3%synergy
Chaos Wand
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13%synergy
Portal to Phyrexia
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9%synergy
Mindcrank
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3%synergy
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6%synergy
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5%synergy
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6%synergy
Lithoform Engine
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6%synergy
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6%synergy
Mask of Griselbrand
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3%synergy
Helm of the Host
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4%synergy
World Map
5.6%inclusion22 decks395 decks
4%synergy
Enchantments
Phyrexian Arena
46%inclusion497 decks1.07K decks
6%synergy
Grave Betrayal
38%inclusion406 decks1.07K decks
35%synergy
Black Market
32%inclusion349 decks1.07K decks
11%synergy
Animate Dead
31%inclusion337 decks1.07K decks
14%synergy
The Eldest Reborn
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21%synergy
Virtue of Persistence
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17%synergy
Black Market Connections
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-4%synergy
Meathook Massacre II
17%inclusion130 decks779 decks
10%synergy
No Mercy
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9%synergy
Minion's Return
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14%synergy
Hedonist's Trove
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12%synergy
The Meathook Massacre
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-8%synergy
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2%synergy
Protection Racket
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7%synergy
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8.0%inclusion28 decks352 decks
5%synergy
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7.9%inclusion85 decks1.07K decks
6%synergy
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7.6%inclusion82 decks1.07K decks
-3%synergy
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7.1%inclusion76 decks1.07K decks
2%synergy
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5.6%inclusion60 decks1.07K decks
2%synergy
Greed
5.6%inclusion60 decks1.07K decks
-2%synergy
Oubliette
5.2%inclusion56 decks1.07K decks
2%synergy
Planeswalkers
Liliana of the Dark Realms
35%inclusion374 decks1.07K decks
21%synergy
Tevesh Szat, Doom of Fools
10%inclusion103 decks1.07K decks
6%synergy
Utility Lands
Cabal Coffers
67%inclusion720 decks1.07K decks
12%synergy
Cabal Stronghold
59%inclusion638 decks1.07K decks
24%synergy
Urborg, Tomb of Yawgmoth
45%inclusion480 decks1.07K decks
7%synergy
Nykthos, Shrine to Nyx
45%inclusion480 decks1.07K decks
15%synergy
Bojuka Bog
42%inclusion453 decks1.07K decks
-5%synergy
Witch's Cottage
29%inclusion310 decks1.07K decks
4%synergy
Reliquary Tower
29%inclusion309 decks1.07K decks
-3%synergy
Castle Locthwain
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7%synergy
Temple of the False God
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17%synergy
War Room
24%inclusion253 decks1.07K decks
7%synergy
Rogue's Passage
18%inclusion195 decks1.07K decks
0%synergy
Thespian's Stage
17%inclusion184 decks1.07K decks
11%synergy
Takenuma, Abandoned Mire
15%inclusion165 decks1.07K decks
-1%synergy
Mortuary Mire
10%inclusion111 decks1.07K decks
-3%synergy
Phyrexian Tower
9.5%inclusion102 decks1.07K decks
-14%synergy
Vesuva
9.5%inclusion102 decks1.07K decks
7%synergy
Command Beacon
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0%synergy
Havengul Laboratory
8.3%inclusion89 decks1.07K decks
8%synergy
Barren Moor
8.1%inclusion87 decks1.07K decks
-2%synergy
Urza's Saga
7.5%inclusion81 decks1.07K decks
-1%synergy
Deserted Temple
7.4%inclusion80 decks1.07K decks
3%synergy
Maze of Ith
7.0%inclusion75 decks1.07K decks
4%synergy
Crypt of Agadeem
6.7%inclusion72 decks1.07K decks
-4%synergy
Scavenger Grounds
5.3%inclusion57 decks1.07K decks
4%synergy
Emergence Zone
5.1%inclusion55 decks1.07K decks
2%synergy
Mana Artifacts
Sol Ring
91%inclusion983 decks1.07K decks
5%synergy
Arcane Signet
68%inclusion732 decks1.07K decks
6%synergy
Mind Stone
50%inclusion535 decks1.07K decks
19%synergy
Charcoal Diamond
44%inclusion472 decks1.07K decks
21%synergy
Thran Dynamo
40%inclusion430 decks1.07K decks
34%synergy
Thought Vessel
37%inclusion393 decks1.07K decks
9%synergy
Nyx Lotus
36%inclusion382 decks1.07K decks
28%synergy
Caged Sun
34%inclusion364 decks1.07K decks
21%synergy
Fellwar Stone
30%inclusion324 decks1.07K decks
15%synergy
Throne of Eldraine
25%inclusion274 decks1.07K decks
15%synergy
Sceptre of Eternal Glory
25%inclusion266 decks1.07K decks
15%synergy
Gilded Lotus
19%inclusion207 decks1.07K decks
13%synergy
Worn Powerstone
18%inclusion189 decks1.07K decks
13%synergy
Vessel of Endless Rest
17%inclusion187 decks1.07K decks
17%synergy
Commander's Sphere
16%inclusion175 decks1.07K decks
7%synergy
Everflowing Chalice
15%inclusion163 decks1.07K decks
9%synergy
Gauntlet of Power
14%inclusion151 decks1.07K decks
10%synergy
The Soul Stone
14%inclusion39 decks287 decks
1%synergy
Extraplanar Lens
13%inclusion141 decks1.07K decks
8%synergy
Hedron Archive
12%inclusion133 decks1.07K decks
8%synergy
Coldsteel Heart
6.0%inclusion64 decks1.07K decks
4%synergy
Interdimensional Web Watch
5.5%inclusion12 decks219 decks
5%synergy
Prismatic Lens
5.2%inclusion56 decks1.07K decks
3%synergy
Chromatic Lantern
5.1%inclusion55 decks1.07K decks
4%synergy
Lands
Swamp
86%inclusion920 decks1.07K decks
-9%synergy
Myriad Landscape
51%inclusion551 decks1.07K decks
24%synergy
Snow-Covered Swamp
17%inclusion180 decks1.07K decks
10%synergy
Urza's Cave
14%inclusion126 decks918 decks
5%synergy
Fell the Profane
14%inclusion123 decks901 decks
-5%synergy
Malakir Rebirth
12%inclusion134 decks1.07K decks
-10%synergy
Exotic Orchard
8.3%inclusion89 decks1.07K decks
7%synergy
Demolition Field
8.2%inclusion88 decks1.07K decks
3%synergy
Hagra Mauling
6.3%inclusion68 decks1.07K decks
2%synergy
Command Tower
6.3%inclusion68 decks1.07K decks
1%synergy