The Master of Keys (Commander) - Exhibition Rooms

The Master of Keys
Rank #305
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Background image for What if Thassa's Oracle Were Banned?
Harvey McGuinness
Sep 23, 2025
Harvey McGuinness
What if Thassa's Oracle Were Banned?
What would happen to cEDH if Thassa's Oracle were banned tomorrow? Would the best decks fall apart? Would there be a new meta? Let's discuss.
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Utility Lands
Mana Artifacts
Lands
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Scrabbling Skullcrab
100%inclusion1 decks1 decks
99%synergy
Gravebreaker Lamia
100%inclusion1 decks1 decks
99%synergy
Overlord of the Floodpits
100%inclusion1 decks1 decks
96%synergy
Lord of the Forsaken
100%inclusion1 decks1 decks
100%synergy
Inquisitive Glimmer
100%inclusion1 decks1 decks
93%synergy
Demon of Fate's Design
100%inclusion1 decks1 decks
95%synergy
Fear of Impostors
100%inclusion1 decks1 decks
99%synergy
Sage of Mysteries
100%inclusion1 decks1 decks
100%synergy
Stitcher's Supplier
100%inclusion1 decks1 decks
99%synergy
Mesa Enchantress
100%inclusion1 decks1 decks
91%synergy
Victor, Valgavoth's Seneschal
100%inclusion1 decks1 decks
98%synergy
Skullsnap Nuisance
100%inclusion1 decks1 decks
100%synergy
Enduring Curiosity
100%inclusion1 decks1 decks
92%synergy
Fear of Sleep Paralysis
100%inclusion1 decks1 decks
95%synergy
Creeping Peeper
100%inclusion1 decks1 decks
100%synergy
Doomwake Giant
100%inclusion1 decks1 decks
94%synergy
Ghostly Dancers
100%inclusion1 decks1 decks
97%synergy
Entity Tracker
100%inclusion1 decks1 decks
94%synergy
Ghostly Keybearer
100%inclusion1 decks1 decks
100%synergy
Instants
Don't Make a Sound
100%inclusion1 decks1 decks
100%synergy
Withering Torment
100%inclusion1 decks1 decks
98%synergy
Sorceries
Split Up
100%inclusion1 decks1 decks
99%synergy
Exorcise
100%inclusion1 decks1 decks
100%synergy
Demonic Counsel
100%inclusion1 decks1 decks
99%synergy
Sadistic Shell Game
100%inclusion1 decks1 decks
99%synergy
Diresight
100%inclusion1 decks1 decks
99%synergy
Exhume
100%inclusion1 decks1 decks
99%synergy
Utility Artifacts
Keys to the House
100%inclusion1 decks1 decks
100%synergy
Enchantments
Cramped Vents // Access Maze
100%inclusion1 decks1 decks
98%synergy
Scion of Halaster
100%inclusion1 decks1 decks
100%synergy
Underwater Tunnel // Slimy Aquarium
100%inclusion1 decks1 decks
100%synergy
Unable to Scream
100%inclusion1 decks1 decks
99%synergy
Shardmage's Rescue
100%inclusion1 decks1 decks
100%synergy
Surgical Suite // Hospital Room
100%inclusion1 decks1 decks
100%synergy
Mirrormade
100%inclusion1 decks1 decks
90%synergy
Meat Locker // Drowned Diner
100%inclusion1 decks1 decks
99%synergy
Derelict Attic // Widow's Walk
100%inclusion1 decks1 decks
100%synergy
Central Elevator // Promising Stairs
100%inclusion1 decks1 decks
99%synergy
Funeral Room // Awakening Hall
100%inclusion1 decks1 decks
99%synergy
Fraying Sanity
100%inclusion1 decks1 decks
100%synergy
Restricted Office // Lecture Hall
100%inclusion1 decks1 decks
98%synergy
Secrets of the Dead
100%inclusion1 decks1 decks
100%synergy
Bottomless Pool // Locker Room
100%inclusion1 decks1 decks
98%synergy
Unholy Annex // Ritual Chamber
100%inclusion1 decks1 decks
99%synergy
Dazzling Theater // Prop Room
100%inclusion1 decks1 decks
99%synergy
Secret Arcade // Dusty Parlor
100%inclusion1 decks1 decks
95%synergy
Polluted Cistern // Dim Oubliette
100%inclusion1 decks1 decks
99%synergy
Stillness in Motion
100%inclusion1 decks1 decks
100%synergy
Ethereal Armor
100%inclusion1 decks1 decks
95%synergy
Dollmaker's Shop // Porcelain Gallery
100%inclusion1 decks1 decks
99%synergy
Mirror Room // Fractured Realm
100%inclusion1 decks1 decks
98%synergy
Grand Entryway // Elegant Rotunda
100%inclusion1 decks1 decks
100%synergy
Defiled Crypt // Cadaver Lab
100%inclusion1 decks1 decks
99%synergy
Utility Lands
Hall of Heliod's Generosity
100%inclusion1 decks1 decks
87%synergy
Mana Artifacts
Talisman of Progress
100%inclusion1 decks1 decks
56%synergy
Arcane Signet
100%inclusion1 decks1 decks
12%synergy
Talisman of Dominance
100%inclusion1 decks1 decks
50%synergy
Sol Ring
100%inclusion1 decks1 decks
10%synergy
Dimir Signet
100%inclusion1 decks1 decks
69%synergy
Talisman of Hierarchy
100%inclusion1 decks1 decks
56%synergy
Orzhov Signet
100%inclusion1 decks1 decks
67%synergy
Azorius Signet
100%inclusion1 decks1 decks
69%synergy
Lands
Tainted Isle
100%inclusion1 decks1 decks
94%synergy
Glacial Fortress
100%inclusion1 decks1 decks
58%synergy
Command Tower
100%inclusion1 decks1 decks
7%synergy
Azorius Chancery
100%inclusion1 decks1 decks
86%synergy
Terramorphic Expanse
100%inclusion1 decks1 decks
84%synergy
Exotic Orchard
100%inclusion1 decks1 decks
41%synergy
Caves of Koilos
100%inclusion1 decks1 decks
64%synergy
Dimir Aqueduct
100%inclusion1 decks1 decks
87%synergy
Tainted Field
100%inclusion1 decks1 decks
93%synergy
Prairie Stream
100%inclusion1 decks1 decks
59%synergy
Swamp
100%inclusion1 decks1 decks
8%synergy
Shipwreck Marsh
100%inclusion1 decks1 decks
79%synergy
Valgavoth's Lair
100%inclusion1 decks1 decks
97%synergy
Isolated Chapel
100%inclusion1 decks1 decks
60%synergy
Study
100%inclusion1 decks1 decks
100%synergy
Drowned Catacomb
100%inclusion1 decks1 decks
63%synergy
Underground River
100%inclusion1 decks1 decks
66%synergy
Temple of Enlightenment
100%inclusion1 decks1 decks
84%synergy
Evolving Wilds
100%inclusion1 decks1 decks
75%synergy
Orzhov Basilica
100%inclusion1 decks1 decks
85%synergy
Island
100%inclusion1 decks1 decks
7%synergy
Plains
100%inclusion1 decks1 decks
8%synergy
Secret Passage
100%inclusion1 decks1 decks
100%synergy
Ballroom
100%inclusion1 decks1 decks
100%synergy
Sunken Hollow
100%inclusion1 decks1 decks
60%synergy
Adarkar Wastes
100%inclusion1 decks1 decks
68%synergy
Vault of Champions
100%inclusion1 decks1 decks
67%synergy
Deserted Beach
100%inclusion1 decks1 decks
79%synergy
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