Arvinox, the Mind Flail (Commander)

Alternate Names:

Mind Flayer, the ShadowMind Flayer, the Shadow

Arvinox, the Mind Flail
Rank #1,350
1,140decks
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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15%synergy
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19%synergy
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-6%synergy
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-7%synergy
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-3%synergy
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-1%synergy
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34%synergy
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27%synergy
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38%synergy
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33%synergy
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36%synergy
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35%synergy
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18%synergy
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35%synergy
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32%synergy
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27%synergy
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22%synergy
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16%synergy
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2%synergy
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20%synergy
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17%synergy
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Instants
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45%synergy
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16%synergy
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19%synergy
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11%synergy
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-3%synergy
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3%synergy
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8%synergy
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-2%synergy
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-18%synergy
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2%synergy
Culling the Weak
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-10%synergy
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11%synergy
Blasphemous Edict
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11%synergy
In Garruk's Wake
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7%synergy
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-4%synergy
Decree of Pain
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4%synergy
Come Back Wrong
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7%synergy
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5%synergy
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-4%synergy
Extinguish All Hope
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7%synergy
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-5%synergy
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6%synergy
Ghouls' Night Out
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5%synergy
Profane Transfusion
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4%synergy
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5%synergy
Psychotic Episode
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5%synergy
Deadly Tempest
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3%synergy
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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
Reito Lantern
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35%synergy
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34%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
Swiftfoot Boots
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-9%synergy
Strionic Resonator
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21%synergy
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3%synergy
Chaos Wand
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13%synergy
Portal to Phyrexia
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8%synergy
Mindcrank
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3%synergy
The Cauldron of Eternity
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7%synergy
Manascape Refractor
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6%synergy
Lithoform Engine
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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
Helm of the Host
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4%synergy
Vedalken Orrery
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4%synergy
Enchantments
Phyrexian Arena
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6%synergy
Grave Betrayal
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36%synergy
Black Market
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13%synergy
Animate Dead
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15%synergy
The Eldest Reborn
24%inclusion272 decks1.14K decks
20%synergy
Virtue of Persistence
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16%synergy
Black Market Connections
19%inclusion220 decks1.14K decks
-4%synergy
No Mercy
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9%synergy
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16%inclusion160 decks971 decks
10%synergy
Minion's Return
16%inclusion177 decks1.14K decks
15%synergy
Hedonist's Trove
11%inclusion127 decks1.14K decks
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
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1%synergy
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4%synergy
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5%synergy
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-4%synergy
Greed
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-2%synergy
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5.2%inclusion59 decks1.14K decks
2%synergy
Planeswalkers
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36%inclusion414 decks1.14K decks
22%synergy
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8.9%inclusion101 decks1.14K decks
6%synergy
Utility Lands
Cabal Coffers
65%inclusion746 decks1.14K decks
10%synergy
Cabal Stronghold
59%inclusion670 decks1.14K decks
24%synergy
Urborg, Tomb of Yawgmoth
44%inclusion503 decks1.14K decks
7%synergy
Nykthos, Shrine to Nyx
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14%synergy
Bojuka Bog
43%inclusion491 decks1.14K decks
-4%synergy
Witch's Cottage
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5%synergy
Reliquary Tower
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-1%synergy
Temple of the False God
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17%synergy
War Room
24%inclusion275 decks1.14K decks
8%synergy
Castle Locthwain
23%inclusion264 decks1.14K decks
6%synergy
Rogue's Passage
19%inclusion215 decks1.14K decks
0%synergy
Thespian's Stage
16%inclusion185 decks1.14K decks
11%synergy
Takenuma, Abandoned Mire
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0%synergy
Mortuary Mire
11%inclusion124 decks1.14K decks
-2%synergy
Phyrexian Tower
11%inclusion123 decks1.14K decks
-14%synergy
Vesuva
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7%synergy
Command Beacon
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1%synergy
Barren Moor
8.7%inclusion99 decks1.14K decks
-1%synergy
Deserted Temple
8.0%inclusion91 decks1.14K decks
4%synergy
Havengul Laboratory
7.9%inclusion90 decks1.14K decks
8%synergy
Crypt of Agadeem
7.1%inclusion81 decks1.14K decks
-4%synergy
Urza's Saga
6.7%inclusion76 decks1.14K decks
-1%synergy
Maze of Ith
6.4%inclusion73 decks1.14K decks
3%synergy
Mana Artifacts
Sol Ring
91%inclusion1.04K decks1.14K decks
5%synergy
Arcane Signet
69%inclusion791 decks1.14K decks
7%synergy
Mind Stone
49%inclusion555 decks1.14K decks
19%synergy
Charcoal Diamond
45%inclusion511 decks1.14K decks
22%synergy
Thran Dynamo
42%inclusion475 decks1.14K decks
36%synergy
Thought Vessel
37%inclusion424 decks1.14K decks
11%synergy
Caged Sun
35%inclusion399 decks1.14K decks
23%synergy
Nyx Lotus
34%inclusion384 decks1.14K decks
27%synergy
Fellwar Stone
29%inclusion336 decks1.14K decks
15%synergy
Throne of Eldraine
24%inclusion272 decks1.14K decks
14%synergy
Sceptre of Eternal Glory
23%inclusion267 decks1.14K decks
15%synergy
Gilded Lotus
19%inclusion219 decks1.14K decks
14%synergy
Worn Powerstone
18%inclusion209 decks1.14K decks
14%synergy
Commander's Sphere
17%inclusion193 decks1.14K decks
8%synergy
Vessel of Endless Rest
17%inclusion191 decks1.14K decks
17%synergy
The Soul Stone
17%inclusion83 decks502 decks
3%synergy
Everflowing Chalice
14%inclusion162 decks1.14K decks
8%synergy
Gauntlet of Power
13%inclusion147 decks1.14K decks
10%synergy
Extraplanar Lens
13%inclusion147 decks1.14K decks
8%synergy
Hedron Archive
13%inclusion143 decks1.14K decks
9%synergy
Coldsteel Heart
5.5%inclusion63 decks1.14K decks
4%synergy
Lands
Swamp
87%inclusion996 decks1.14K decks
-8%synergy
Myriad Landscape
52%inclusion588 decks1.14K decks
26%synergy
Snow-Covered Swamp
15%inclusion171 decks1.14K decks
8%synergy
Fell the Profane
14%inclusion156 decks1.09K decks
-4%synergy
Urza's Cave
13%inclusion147 decks1.10K decks
5%synergy
Malakir Rebirth
13%inclusion152 decks1.14K decks
-9%synergy
Exotic Orchard
8.5%inclusion97 decks1.14K decks
7%synergy
Demolition Field
7.6%inclusion87 decks1.14K decks
2%synergy
Command Tower
7.1%inclusion81 decks1.14K decks
2%synergy
Hagra Mauling
6.1%inclusion70 decks1.14K decks
2%synergy