Mind Flayer, the Shadow (Commander)

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,334
1,099decks
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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1%synergy
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61%synergy
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56%synergy
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50%synergy
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48%synergy
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46%synergy
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45%synergy
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8%synergy
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14%synergy
Jet Medallion
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Feed the Swarm
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9%synergy
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42%synergy
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12%synergy
Sign in Blood
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14%synergy
Game Changers
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19%synergy
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-2%synergy
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-5%synergy
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-6%synergy
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-2%synergy
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-1%synergy
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-8%synergy
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33%synergy
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42%synergy
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32%synergy
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37%synergy
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25%synergy
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35%synergy
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34%synergy
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29%synergy
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33%synergy
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35%synergy
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16%synergy
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32%synergy
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26%synergy
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24%synergy
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23%synergy
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24%synergy
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24%synergy
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23%synergy
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17%synergy
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2%synergy
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9%synergy
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21%synergy
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10%synergy
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14%synergy
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18%synergy
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14%synergy
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15%synergy
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16%synergy
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16%synergy
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8%synergy
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11%synergy
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12%synergy
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-4%synergy
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9%synergy
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11%synergy
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7%synergy
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-10%synergy
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-9%synergy
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10%synergy
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10%synergy
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-5%synergy
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-6%synergy
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5%synergy
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9%synergy
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8%synergy
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4%synergy
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4%synergy
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8%synergy
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-11%synergy
Instants
Outrageous Robbery
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43%synergy
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16%synergy
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4%synergy
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8%synergy
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26%synergy
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13%synergy
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19%synergy
Darkness
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10%synergy
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1%synergy
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6%synergy
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-10%synergy
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10%synergy
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11%synergy
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1%synergy
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-2%synergy
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3%synergy
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-4%synergy
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2%synergy
The Spot's Portal
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9%synergy
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-15%synergy
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-1%synergy
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4%synergy
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-12%synergy
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-17%synergy
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2%synergy
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-9%synergy
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1%synergy
Sorceries
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41%synergy
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14%synergy
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36%synergy
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13%synergy
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17%synergy
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14%synergy
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32%synergy
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18%synergy
Exsanguinate
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5%synergy
Toxic Deluge
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-9%synergy
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22%synergy
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24%synergy
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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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12%synergy
Victimize
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-13%synergy
Necromantic Selection
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11%synergy
In Garruk's Wake
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7%synergy
Diabolic Tutor
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-4%synergy
Decree of Pain
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4%synergy
Come Back Wrong
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7%synergy
Blood Money
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6%synergy
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7%synergy
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7%synergy
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Deadly Tempest
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4%synergy
Profane Transfusion
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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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Blood on the Snow
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4%synergy
Ancient Craving
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3%synergy
Utility Artifacts
The Darkness Crystal
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20%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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34%synergy
Bontu's Monument
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1%synergy
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27%synergy
Expedition Map
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14%synergy
Lightning Greaves
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-7%synergy
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23%inclusion257 decks1.10K decks
22%synergy
Swiftfoot Boots
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-9%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
The Cauldron of Eternity
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7%synergy
Vedalken Orrery
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6%synergy
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5%synergy
Lithoform Engine
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6%synergy
Mask of Griselbrand
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3%synergy
Manascape Refractor
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6%synergy
Helm of the Host
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5%synergy
World Map
5.2%inclusion23 decks446 decks
3%synergy
Enchantments
Phyrexian Arena
47%inclusion513 decks1.10K decks
6%synergy
Grave Betrayal
38%inclusion418 decks1.10K decks
35%synergy
Black Market
33%inclusion364 decks1.10K decks
12%synergy
Animate Dead
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14%synergy
The Eldest Reborn
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20%synergy
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16%synergy
Black Market Connections
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-4%synergy
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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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12%synergy
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2%synergy
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4%synergy
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7%synergy
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7.6%inclusion83 decks1.10K decks
6%synergy
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-3%synergy
Heartless Summoning
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2%synergy
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2%synergy
Greed
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-2%synergy
Oubliette
5.2%inclusion57 decks1.10K decks
2%synergy
Planeswalkers
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36%inclusion392 decks1.10K decks
22%synergy
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9.5%inclusion104 decks1.10K decks
6%synergy
Utility Lands
Cabal Coffers
67%inclusion736 decks1.10K decks
12%synergy
Cabal Stronghold
59%inclusion649 decks1.10K decks
23%synergy
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15%synergy
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7%synergy
Bojuka Bog
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-5%synergy
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5%synergy
Reliquary Tower
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-2%synergy
Temple of the False God
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17%synergy
Castle Locthwain
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7%synergy
War Room
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7%synergy
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0%synergy
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11%synergy
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0%synergy
Mortuary Mire
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-3%synergy
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-14%synergy
Vesuva
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7%synergy
Command Beacon
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0%synergy
Havengul Laboratory
8.2%inclusion90 decks1.10K decks
8%synergy
Barren Moor
8.2%inclusion90 decks1.10K decks
-2%synergy
Deserted Temple
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3%synergy
Urza's Saga
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-1%synergy
Maze of Ith
6.9%inclusion76 decks1.10K decks
3%synergy
Crypt of Agadeem
6.4%inclusion70 decks1.10K decks
-4%synergy
Scavenger Grounds
5.2%inclusion57 decks1.10K decks
4%synergy
Emergence Zone
5.2%inclusion57 decks1.10K decks
2%synergy
Mana Artifacts
Sol Ring
92%inclusion1.01K decks1.10K decks
5%synergy
Arcane Signet
68%inclusion751 decks1.10K decks
6%synergy
Mind Stone
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18%synergy
Charcoal Diamond
44%inclusion480 decks1.10K decks
20%synergy
Thran Dynamo
40%inclusion441 decks1.10K decks
34%synergy
Thought Vessel
36%inclusion396 decks1.10K decks
9%synergy
Nyx Lotus
35%inclusion385 decks1.10K decks
28%synergy
Caged Sun
35%inclusion380 decks1.10K decks
22%synergy
Fellwar Stone
30%inclusion328 decks1.10K decks
15%synergy
Throne of Eldraine
25%inclusion276 decks1.10K decks
14%synergy
Sceptre of Eternal Glory
24%inclusion266 decks1.10K decks
15%synergy
Gilded Lotus
20%inclusion215 decks1.10K decks
14%synergy
Worn Powerstone
18%inclusion196 decks1.10K decks
13%synergy
Vessel of Endless Rest
17%inclusion191 decks1.10K decks
17%synergy
Commander's Sphere
17%inclusion185 decks1.10K decks
7%synergy
The Soul Stone
15%inclusion52 decks338 decks
3%synergy
Everflowing Chalice
15%inclusion161 decks1.10K decks
9%synergy
Gauntlet of Power
14%inclusion152 decks1.10K decks
10%synergy
Extraplanar Lens
13%inclusion145 decks1.10K decks
8%synergy
Hedron Archive
12%inclusion137 decks1.10K decks
9%synergy
Coldsteel Heart
5.6%inclusion61 decks1.10K decks
4%synergy
Interdimensional Web Watch
5.5%inclusion15 decks272 decks
5%synergy
Chromatic Lantern
5.1%inclusion56 decks1.10K decks
4%synergy
Lands
Swamp
86%inclusion947 decks1.10K decks
-9%synergy
Myriad Landscape
51%inclusion561 decks1.10K decks
24%synergy
Snow-Covered Swamp
16%inclusion179 decks1.10K decks
9%synergy
Urza's Cave
14%inclusion132 decks965 decks
5%synergy
Fell the Profane
14%inclusion128 decks948 decks
-5%synergy
Malakir Rebirth
13%inclusion138 decks1.10K decks
-10%synergy
Exotic Orchard
8.5%inclusion93 decks1.10K decks
7%synergy
Demolition Field
7.9%inclusion87 decks1.10K decks
3%synergy
Command Tower
6.7%inclusion74 decks1.10K decks
1%synergy
Hagra Mauling
6.3%inclusion69 decks1.10K decks
2%synergy