Mind Flayer, the Shadow (Commander) - Expensive Upgraded

Original Name:

Arvinox, the Mind FlailArvinox, the Mind Flail

Mind Flayer, the Shadow
Rank #1,367
7decks
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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46%synergy
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46%synergy
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54%synergy
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60%synergy
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43%synergy
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42%synergy
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33%synergy
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31%synergy
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19%synergy
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21%synergy
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22%synergy
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1%synergy
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7%synergy
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1%synergy
Creatures
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52%synergy
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52%synergy
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52%synergy
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43%synergy
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38%synergy
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43%inclusion3 decks7 decks
21%synergy
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43%inclusion3 decks7 decks
19%synergy
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43%inclusion3 decks7 decks
32%synergy
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26%synergy
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41%synergy
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39%synergy
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31%synergy
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21%synergy
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22%synergy
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28%synergy
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29%inclusion2 decks7 decks
27%synergy
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24%synergy
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27%synergy
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23%synergy
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28%synergy
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23%synergy
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28%synergy
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28%synergy
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25%synergy
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25%synergy
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19%synergy
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14%inclusion1 decks7 decks
14%synergy
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7%synergy
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14%inclusion1 decks7 decks
3%synergy
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14%inclusion1 decks7 decks
8%synergy
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14%inclusion1 decks7 decks
14%synergy
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13%synergy
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0%synergy
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14%inclusion1 decks7 decks
-6%synergy
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14%inclusion1 decks7 decks
12%synergy
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14%inclusion1 decks7 decks
13%synergy
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12%synergy
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-5%synergy
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14%inclusion1 decks7 decks
14%synergy
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14%inclusion1 decks7 decks
13%synergy
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14%inclusion1 decks7 decks
14%synergy
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14%inclusion1 decks7 decks
-5%synergy
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14%inclusion1 decks7 decks
13%synergy
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14%inclusion1 decks7 decks
14%synergy
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14%inclusion1 decks7 decks
12%synergy
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-2%synergy
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14%synergy
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-7%synergy
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47%synergy
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61%synergy
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25%synergy
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11%synergy
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18%synergy
Defile
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6%synergy
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29%inclusion2 decks7 decks
16%synergy
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20%synergy
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29%inclusion2 decks7 decks
28%synergy
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24%synergy
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29%inclusion2 decks7 decks
20%synergy
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14%inclusion1 decks7 decks
9%synergy
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14%inclusion1 decks7 decks
12%synergy
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14%inclusion1 decks7 decks
2%synergy
March of Wretched Sorrow
14%inclusion1 decks7 decks
13%synergy
Debt to the Kami
14%inclusion1 decks7 decks
14%synergy
Saw in Half
14%inclusion1 decks7 decks
6%synergy
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14%inclusion1 decks7 decks
-6%synergy
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14%inclusion1 decks7 decks
7%synergy
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3%synergy
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-1%synergy
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12%synergy
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13%synergy
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-1%synergy
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-11%synergy
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14%synergy
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13%synergy
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13%synergy
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42%synergy
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20%synergy
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33%synergy
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22%synergy
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41%synergy
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30%synergy
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27%synergy
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39%synergy
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27%synergy
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28%synergy
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2%synergy
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23%synergy
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14%synergy
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12%synergy
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-3%synergy
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12%synergy
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12%synergy
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14%synergy
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11%synergy
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7%synergy
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14%inclusion1 decks7 decks
10%synergy
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14%inclusion1 decks7 decks
12%synergy
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11%synergy
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3%synergy
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13%synergy
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8%synergy
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14%synergy
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14%inclusion1 decks7 decks
13%synergy
Final Act
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13%synergy
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13%synergy
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14%synergy
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14%synergy
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12%synergy
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14%synergy
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3%synergy
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47%synergy
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9%synergy
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31%synergy
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15%synergy
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29%inclusion2 decks7 decks
27%synergy
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28%synergy
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13%synergy
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27%synergy
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-3%synergy
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27%synergy
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15%synergy
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14%inclusion1 decks7 decks
14%synergy
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12%synergy
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3%synergy
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6%synergy
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14%inclusion1 decks7 decks
13%synergy
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14%inclusion1 decks7 decks
14%synergy
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14%inclusion1 decks7 decks
11%synergy
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14%inclusion1 decks7 decks
8%synergy
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14%inclusion1 decks7 decks
14%synergy
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14%inclusion1 decks7 decks
5%synergy
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11%synergy
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14%inclusion1 decks7 decks
10%synergy
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12%synergy
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13%synergy
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14%inclusion1 decks7 decks
11%synergy
Enchantments
Black Market Connections
57%inclusion4 decks7 decks
33%synergy
Dance of the Dead
43%inclusion3 decks7 decks
39%synergy
Bitterblossom
43%inclusion3 decks7 decks
30%synergy
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43%inclusion3 decks7 decks
22%synergy
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43%inclusion3 decks7 decks
41%synergy
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29%inclusion2 decks7 decks
28%synergy
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29%inclusion2 decks7 decks
28%synergy
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29%inclusion2 decks7 decks
24%synergy
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29%inclusion2 decks7 decks
11%synergy
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29%inclusion2 decks7 decks
28%synergy
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29%inclusion2 decks7 decks
23%synergy
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14%inclusion1 decks7 decks
12%synergy
Protection Racket
14%inclusion1 decks7 decks
14%synergy
Oubliette
14%inclusion1 decks7 decks
11%synergy
Heartless Summoning
14%inclusion1 decks7 decks
9%synergy
Court of Ambition
14%inclusion1 decks7 decks
10%synergy
Grave Betrayal
14%inclusion1 decks7 decks
12%synergy
Exquisite Blood
14%inclusion1 decks7 decks
1%synergy
Dead Man's Chest
14%inclusion1 decks7 decks
14%synergy
Planeswalkers
Liliana of the Dark Realms
29%inclusion2 decks7 decks
15%synergy
Tevesh Szat, Doom of Fools
14%inclusion1 decks7 decks
11%synergy
Utility Lands
Cabal Coffers
100%inclusion7 decks7 decks
45%synergy
Urborg, Tomb of Yawgmoth
100%inclusion7 decks7 decks
62%synergy
Cabal Stronghold
71%inclusion5 decks7 decks
37%synergy
Bojuka Bog
57%inclusion4 decks7 decks
10%synergy
Deserted Temple
57%inclusion4 decks7 decks
53%synergy
Castle Locthwain
57%inclusion4 decks7 decks
40%synergy
Witch's Cottage
43%inclusion3 decks7 decks
18%synergy
War Room
43%inclusion3 decks7 decks
27%synergy
Maze of Ith
43%inclusion3 decks7 decks
40%synergy
Temple of the False God
43%inclusion3 decks7 decks
35%synergy
Susur Secundi, Void Altar
33%inclusion2 decks6 decks
26%synergy
Emergence Zone
29%inclusion2 decks7 decks
25%synergy
Reliquary Tower
29%inclusion2 decks7 decks
-2%synergy
Shizo, Death's Storehouse
29%inclusion2 decks7 decks
18%synergy
Phyrexian Tower
29%inclusion2 decks7 decks
3%synergy
Urza's Saga
29%inclusion2 decks7 decks
21%synergy
Midgar, City of Mako
17%inclusion1 decks6 decks
5%synergy
Arid Archway
14%inclusion1 decks7 decks
14%synergy
Scavenger Grounds
14%inclusion1 decks7 decks
13%synergy
Command Beacon
14%inclusion1 decks7 decks
6%synergy
Rogue's Passage
14%inclusion1 decks7 decks
-5%synergy
Crypt of Agadeem
14%inclusion1 decks7 decks
3%synergy
Cactus Preserve
14%inclusion1 decks7 decks
14%synergy
Takenuma, Abandoned Mire
14%inclusion1 decks7 decks
-1%synergy
Lake of the Dead
14%inclusion1 decks7 decks
9%synergy
Vesuva
14%inclusion1 decks7 decks
11%synergy
Geier Reach Sanitarium
14%inclusion1 decks7 decks
3%synergy
Terrain Generator
14%inclusion1 decks7 decks
12%synergy
Guildless Commons
14%inclusion1 decks7 decks
14%synergy
Everglades
14%inclusion1 decks7 decks
13%synergy
Mana Artifacts
Sol Ring
100%inclusion7 decks7 decks
14%synergy
Throne of Eldraine
57%inclusion4 decks7 decks
47%synergy
Arcane Signet
57%inclusion4 decks7 decks
-5%synergy
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43%inclusion3 decks7 decks
34%synergy
Thran Dynamo
43%inclusion3 decks7 decks
37%synergy
Fellwar Stone
29%inclusion2 decks7 decks
14%synergy
Nyx Lotus
29%inclusion2 decks7 decks
22%synergy
The Soul Stone
17%inclusion1 decks6 decks
2%synergy
Gilded Lotus
14%inclusion1 decks7 decks
9%synergy
Crowded Crypt
14%inclusion1 decks7 decks
9%synergy
Extraplanar Lens
14%inclusion1 decks7 decks
9%synergy
Charcoal Diamond
14%inclusion1 decks7 decks
-8%synergy
Thought Vessel
14%inclusion1 decks7 decks
-12%synergy
Mind Stone
14%inclusion1 decks7 decks
-15%synergy
Lands
Swamp
86%inclusion6 decks7 decks
-9%synergy
Myriad Landscape
86%inclusion6 decks7 decks
60%synergy
Urza's Cave
43%inclusion3 decks7 decks
35%synergy
Demolition Field
29%inclusion2 decks7 decks
23%synergy
Cavern of Souls
14%inclusion1 decks7 decks
8%synergy
Snow-Covered Swamp
14%inclusion1 decks7 decks
8%synergy
Polluted Delta
14%inclusion1 decks7 decks
11%synergy
Fabled Passage
14%inclusion1 decks7 decks
12%synergy
Sunken Citadel
14%inclusion1 decks7 decks
14%synergy
Agadeem's Awakening
14%inclusion1 decks7 decks
7%synergy
Prismatic Vista
14%inclusion1 decks7 decks
12%synergy
Verdant Catacombs
14%inclusion1 decks7 decks
11%synergy
Gemstone Caverns
14%inclusion1 decks7 decks
10%synergy
Forbidden Orchard
14%inclusion1 decks7 decks
13%synergy
Marsh Flats
14%inclusion1 decks7 decks
11%synergy
Bloodstained Mire
14%inclusion1 decks7 decks
11%synergy