Mind Flayer, the Shadow (Commander)

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,332
1,071decks
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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6%synergy
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1%synergy
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1%synergy
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-1%synergy
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-1%synergy
High Synergy Cards
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73%synergy
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68%synergy
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68%synergy
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60%synergy
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56%synergy
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49%synergy
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48%synergy
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46%synergy
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46%synergy
Top Cards
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8%synergy
Crypt Ghast
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24%synergy
Gray Merchant of Asphodel
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14%synergy
Jet Medallion
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4%synergy
Feed the Swarm
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10%synergy
Defile
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17%synergy
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43%synergy
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28%synergy
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11%synergy
Sign in Blood
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13%synergy
Game Changers
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19%synergy
Bolas's Citadel
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-2%synergy
Demonic Tutor
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-5%synergy
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-7%synergy
Necropotence
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-1%synergy
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5%synergy
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-1%synergy
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-8%synergy
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-1%synergy
Creatures
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43%synergy
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33%synergy
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37%synergy
Dread Presence
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24%synergy
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35%synergy
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34%synergy
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28%synergy
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35%synergy
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16%synergy
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32%synergy
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32%synergy
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26%synergy
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25%synergy
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24%synergy
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24%synergy
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24%synergy
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3%synergy
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22%inclusion217 decks980 decks
17%synergy
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20%synergy
Oblivion Sower
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21%synergy
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9%synergy
Phyrexian Obliterator
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10%synergy
Leaden Myr
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14%synergy
Kheru Mind-Eater
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19%synergy
Hoarding Broodlord
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14%synergy
Lord of the Void
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15%synergy
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16%synergy
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16%synergy
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9%synergy
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13%synergy
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11%synergy
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9%synergy
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-4%synergy
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7%synergy
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11%synergy
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-10%synergy
Accursed Marauder
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-9%synergy
Wandering Archaic
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10%synergy
Hoverstone Pilgrim
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10%synergy
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-5%synergy
Blightwing Bandit
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10%synergy
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-5%synergy
Ancient Brass Dragon
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8%synergy
Ravenous Chupacabra
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5%synergy
Junji, the Midnight Sky
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4%synergy
Abyssal Harvester
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4%synergy
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8%synergy
Chrome Companion
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8%synergy
Instants
Outrageous Robbery
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44%synergy
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15%synergy
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4%synergy
Soul Shatter
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19%synergy
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7%synergy
Stinging Study
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26%synergy
Consuming Corruption
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13%synergy
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-1%synergy
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-2%synergy
Grim Return
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19%synergy
Darkness
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10%synergy
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1%synergy
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7%synergy
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6%synergy
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10%synergy
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-10%synergy
Nurgle's Conscription
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11%synergy
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3%synergy
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1%synergy
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-4%synergy
Snuff Out
10%inclusion112 decks1.07K decks
-2%synergy
Bitter Triumph
9.2%inclusion99 decks1.07K decks
-1%synergy
Hero's Downfall
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2%synergy
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-15%synergy
The Spot's Portal
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8%synergy
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4%synergy
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-13%synergy
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-17%synergy
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2%synergy
Black Sun's Twilight
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2%synergy
Culling the Weak
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-9%synergy
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4%synergy
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4%synergy
Sorceries
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41%synergy
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Heartless Conscription
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36%synergy
Damnation
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14%synergy
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18%synergy
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14%synergy
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32%synergy
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27%synergy
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13%synergy
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19%synergy
Exsanguinate
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5%synergy
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-9%synergy
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23%synergy
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25%synergy
Torment of Hailfire
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4%synergy
Shadow of the Enemy
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17%synergy
Syphon Mind
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4%synergy
Beacon of Unrest
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11%synergy
Blasphemous Edict
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-2%synergy
Predators' Hour
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13%synergy
Victimize
13%inclusion136 decks1.07K decks
-13%synergy
Necromantic Selection
13%inclusion136 decks1.07K decks
11%synergy
In Garruk's Wake
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7%synergy
Diabolic Tutor
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-4%synergy
Come Back Wrong
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8%synergy
Decree of Pain
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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
Extinguish All Hope
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7%synergy
Grim Tutor
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-5%synergy
Profane Transfusion
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5%synergy
Deadly Tempest
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5%synergy
Ghouls' Night Out
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6%synergy
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6%synergy
Worst Fears
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6%synergy
Psychotic Episode
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6%synergy
Black Sun's Zenith
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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
Staff of Eden, Vault's Key
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33%synergy
Realmbreaker, the Invasion Tree
28%inclusion305 decks1.07K decks
27%synergy
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28%inclusion303 decks1.07K decks
1%synergy
Expedition Map
27%inclusion292 decks1.07K decks
15%synergy
Lightning Greaves
26%inclusion277 decks1.07K decks
-8%synergy
Strionic Resonator
24%inclusion253 decks1.07K decks
22%synergy
Swiftfoot Boots
22%inclusion231 decks1.07K decks
-10%synergy
Chaos Wand
13%inclusion144 decks1.07K decks
13%synergy
Whip of Erebos
13%inclusion144 decks1.07K decks
3%synergy
Portal to Phyrexia
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9%synergy
Mindcrank
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4%synergy
The Cauldron of Eternity
6.8%inclusion73 decks1.07K decks
6%synergy
Mimic Vat
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5%synergy
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6.5%inclusion70 decks1.07K decks
6%synergy
Manascape Refractor
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6%synergy
Lithoform Engine
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6%synergy
Mask of Griselbrand
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3%synergy
World Map
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4%synergy
Helm of the Host
5.7%inclusion61 decks1.07K decks
4%synergy
Enchantments
Phyrexian Arena
46%inclusion496 decks1.07K decks
6%synergy
Grave Betrayal
38%inclusion403 decks1.07K decks
35%synergy
Black Market
33%inclusion349 decks1.07K decks
11%synergy
Animate Dead
31%inclusion336 decks1.07K decks
14%synergy
The Eldest Reborn
25%inclusion264 decks1.07K decks
21%synergy
Virtue of Persistence
23%inclusion243 decks1.07K decks
17%synergy
Black Market Connections
19%inclusion203 decks1.07K decks
-4%synergy
No Mercy
17%inclusion178 decks1.07K decks
9%synergy
Meathook Massacre II
17%inclusion128 decks771 decks
10%synergy
Minion's Return
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14%synergy
Hedonist's Trove
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12%synergy
The Meathook Massacre
9.4%inclusion101 decks1.07K decks
-8%synergy
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2%synergy
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8.2%inclusion28 decks343 decks
5%synergy
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8.1%inclusion87 decks1.07K decks
8%synergy
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7.8%inclusion84 decks1.07K decks
6%synergy
Kaya's Ghostform
7.7%inclusion83 decks1.07K decks
-2%synergy
Heartless Summoning
7.1%inclusion76 decks1.07K decks
3%synergy
Greed
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-2%synergy
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5.6%inclusion60 decks1.07K decks
2%synergy
Oubliette
5.3%inclusion57 decks1.07K decks
2%synergy
Planeswalkers
Liliana of the Dark Realms
35%inclusion373 decks1.07K decks
21%synergy
Tevesh Szat, Doom of Fools
10%inclusion104 decks1.07K decks
6%synergy
Utility Lands
Cabal Coffers
67%inclusion717 decks1.07K decks
12%synergy
Cabal Stronghold
59%inclusion637 decks1.07K decks
24%synergy
Nykthos, Shrine to Nyx
45%inclusion479 decks1.07K decks
15%synergy
Urborg, Tomb of Yawgmoth
45%inclusion479 decks1.07K decks
7%synergy
Bojuka Bog
42%inclusion452 decks1.07K decks
-5%synergy
Witch's Cottage
29%inclusion310 decks1.07K decks
4%synergy
Reliquary Tower
29%inclusion306 decks1.07K decks
-3%synergy
Castle Locthwain
25%inclusion263 decks1.07K decks
7%synergy
Temple of the False God
24%inclusion262 decks1.07K decks
16%synergy
War Room
24%inclusion253 decks1.07K decks
7%synergy
Rogue's Passage
18%inclusion194 decks1.07K decks
0%synergy
Thespian's Stage
17%inclusion183 decks1.07K decks
11%synergy
Takenuma, Abandoned Mire
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-1%synergy
Mortuary Mire
10%inclusion111 decks1.07K decks
-3%synergy
Vesuva
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7%synergy
Phyrexian Tower
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-14%synergy
Command Beacon
8.6%inclusion92 decks1.07K decks
0%synergy
Barren Moor
8.1%inclusion87 decks1.07K decks
-2%synergy
Havengul Laboratory
8.1%inclusion87 decks1.07K decks
8%synergy
Urza's Saga
7.7%inclusion82 decks1.07K decks
0%synergy
Deserted Temple
7.5%inclusion80 decks1.07K decks
3%synergy
Crypt of Agadeem
6.9%inclusion74 decks1.07K decks
-4%synergy
Maze of Ith
6.8%inclusion73 decks1.07K decks
3%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
92%inclusion980 decks1.07K decks
5%synergy
Arcane Signet
68%inclusion729 decks1.07K decks
5%synergy
Mind Stone
50%inclusion535 decks1.07K decks
19%synergy
Charcoal Diamond
44%inclusion469 decks1.07K decks
20%synergy
Thran Dynamo
40%inclusion427 decks1.07K decks
34%synergy
Thought Vessel
36%inclusion390 decks1.07K decks
9%synergy
Nyx Lotus
36%inclusion381 decks1.07K decks
28%synergy
Caged Sun
34%inclusion361 decks1.07K decks
21%synergy
Fellwar Stone
30%inclusion322 decks1.07K decks
15%synergy
Throne of Eldraine
26%inclusion275 decks1.07K decks
15%synergy
Sceptre of Eternal Glory
25%inclusion266 decks1.07K decks
15%synergy
Gilded Lotus
19%inclusion206 decks1.07K decks
13%synergy
Worn Powerstone
18%inclusion189 decks1.07K decks
13%synergy
Vessel of Endless Rest
17%inclusion186 decks1.07K decks
17%synergy
Commander's Sphere
16%inclusion176 decks1.07K decks
7%synergy
Everflowing Chalice
15%inclusion163 decks1.07K decks
9%synergy
Gauntlet of Power
14%inclusion152 decks1.07K decks
11%synergy
The Soul Stone
13%inclusion37 decks278 decks
1%synergy
Extraplanar Lens
13%inclusion141 decks1.07K decks
8%synergy
Hedron Archive
12%inclusion133 decks1.07K decks
9%synergy
Coldsteel Heart
6.0%inclusion64 decks1.07K decks
4%synergy
Interdimensional Web Watch
5.7%inclusion12 decks210 decks
5%synergy
Prismatic Lens
5.2%inclusion56 decks1.07K decks
3%synergy
Chromatic Lantern
5.1%inclusion55 decks1.07K decks
5%synergy
Lands
Swamp
86%inclusion916 decks1.07K decks
-9%synergy
Myriad Landscape
51%inclusion551 decks1.07K decks
25%synergy
Snow-Covered Swamp
17%inclusion178 decks1.07K decks
10%synergy
Urza's Cave
14%inclusion125 decks910 decks
5%synergy
Fell the Profane
14%inclusion122 decks893 decks
-5%synergy
Malakir Rebirth
13%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
Command Tower
6.4%inclusion69 decks1.07K decks
1%synergy
Hagra Mauling
6.3%inclusion68 decks1.07K decks
2%synergy