Arvinox, the Mind Flail (Commander)

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,356
1,159decks
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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-6%synergy
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-4%synergy
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-1%synergy
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38%synergy
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33%synergy
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21%synergy
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16%synergy
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10%synergy
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10%synergy
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20%synergy
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17%synergy
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15%synergy
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12%synergy
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7%synergy
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Instants
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15%synergy
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-3%synergy
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11%synergy
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37%synergy
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26%synergy
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16%synergy
Syphon Mind
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4%synergy
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11%synergy
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-13%synergy
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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
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4%synergy
Come Back Wrong
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7%synergy
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6%synergy
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6%synergy
Grim Tutor
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Ghouls' Night Out
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6%synergy
Profane Transfusion
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4%synergy
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5%synergy
Psychotic Episode
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6%synergy
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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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22%synergy
Wayfarer's Bauble
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21%synergy
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34%synergy
Reito Lantern
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35%synergy
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3%synergy
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27%synergy
Expedition Map
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15%synergy
Lightning Greaves
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-8%synergy
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-9%synergy
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20%synergy
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4%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
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
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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
Court of Locthwain
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45%synergy
Grave Betrayal
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35%synergy
Black Market
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12%synergy
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15%synergy
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20%synergy
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16%synergy
Black Market Connections
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-4%synergy
Meathook Massacre II
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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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11%synergy
The Meathook Massacre
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-8%synergy
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3%synergy
Protection Racket
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7%synergy
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1%synergy
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3%synergy
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5%synergy
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-4%synergy
Greed
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-2%synergy
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2%synergy
Planeswalkers
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37%inclusion427 decks1.16K decks
23%synergy
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6%synergy
Utility Lands
Cabal Coffers
66%inclusion763 decks1.16K decks
11%synergy
Cabal Stronghold
59%inclusion684 decks1.16K decks
24%synergy
Nykthos, Shrine to Nyx
45%inclusion516 decks1.16K decks
15%synergy
Urborg, Tomb of Yawgmoth
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7%synergy
Bojuka Bog
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-4%synergy
Witch's Cottage
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6%synergy
Reliquary Tower
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-1%synergy
Temple of the False God
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17%synergy
War Room
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8%synergy
Castle Locthwain
23%inclusion265 decks1.16K decks
6%synergy
Rogue's Passage
19%inclusion216 decks1.16K decks
0%synergy
Thespian's Stage
17%inclusion193 decks1.16K decks
11%synergy
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0%synergy
Phyrexian Tower
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-14%synergy
Mortuary Mire
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-3%synergy
Vesuva
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7%synergy
Command Beacon
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1%synergy
Barren Moor
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-1%synergy
Deserted Temple
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4%synergy
Havengul Laboratory
7.9%inclusion92 decks1.16K decks
8%synergy
Crypt of Agadeem
7.2%inclusion84 decks1.16K decks
-4%synergy
Urza's Saga
6.6%inclusion77 decks1.16K decks
-1%synergy
Maze of Ith
6.5%inclusion75 decks1.16K decks
3%synergy
Mana Artifacts
Sol Ring
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5%synergy
Arcane Signet
69%inclusion799 decks1.16K decks
7%synergy
Mind Stone
48%inclusion559 decks1.16K decks
19%synergy
Charcoal Diamond
45%inclusion517 decks1.16K decks
22%synergy
Thran Dynamo
41%inclusion478 decks1.16K decks
35%synergy
Thought Vessel
37%inclusion427 decks1.16K decks
11%synergy
Caged Sun
35%inclusion408 decks1.16K decks
24%synergy
Nyx Lotus
34%inclusion393 decks1.16K decks
27%synergy
Fellwar Stone
29%inclusion333 decks1.16K decks
14%synergy
Throne of Eldraine
24%inclusion274 decks1.16K decks
14%synergy
Sceptre of Eternal Glory
23%inclusion267 decks1.16K decks
14%synergy
Gilded Lotus
19%inclusion223 decks1.16K decks
14%synergy
Worn Powerstone
18%inclusion214 decks1.16K decks
14%synergy
The Soul Stone
17%inclusion92 decks550 decks
3%synergy
Commander's Sphere
16%inclusion191 decks1.16K decks
8%synergy
Vessel of Endless Rest
16%inclusion188 decks1.16K decks
16%synergy
Everflowing Chalice
14%inclusion168 decks1.16K decks
9%synergy
Extraplanar Lens
13%inclusion154 decks1.16K decks
8%synergy
Gauntlet of Power
13%inclusion150 decks1.16K decks
10%synergy
Hedron Archive
13%inclusion148 decks1.16K decks
9%synergy
Coldsteel Heart
5.6%inclusion65 decks1.16K decks
4%synergy
Lands
Swamp
87%inclusion1.01K decks1.16K decks
-8%synergy
Myriad Landscape
51%inclusion591 decks1.16K decks
25%synergy
Snow-Covered Swamp
15%inclusion177 decks1.16K decks
9%synergy
Fell the Profane
14%inclusion162 decks1.13K decks
-4%synergy
Malakir Rebirth
13%inclusion155 decks1.16K decks
-9%synergy
Urza's Cave
13%inclusion147 decks1.14K decks
5%synergy
Exotic Orchard
8.6%inclusion100 decks1.16K decks
7%synergy
Demolition Field
7.5%inclusion87 decks1.16K decks
2%synergy
Command Tower
7.0%inclusion81 decks1.16K decks
1%synergy
Hagra Mauling
6.0%inclusion70 decks1.16K decks
2%synergy