The Master of Keys (Commander) - Expensive Core Mill

The Master of Keys
Rank #316
1decks
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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 Artifacts
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Utility Lands
Mana Artifacts
Lands
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Starfield Mystic
100%inclusion1 decks1 decks
93%synergy
Gravebreaker Lamia
100%inclusion1 decks1 decks
99%synergy
Inquisitive Glimmer
100%inclusion1 decks1 decks
92%synergy
Eidolon of Astral Winds
100%inclusion1 decks1 decks
100%synergy
Demon of Fate's Design
100%inclusion1 decks1 decks
94%synergy
Fear of Impostors
100%inclusion1 decks1 decks
98%synergy
Overlord of the Balemurk
100%inclusion1 decks1 decks
98%synergy
Silent Hallcreeper
100%inclusion1 decks1 decks
96%synergy
Mesa Enchantress
100%inclusion1 decks1 decks
91%synergy
Skullsnap Nuisance
100%inclusion1 decks1 decks
100%synergy
Spirited Companion
100%inclusion1 decks1 decks
98%synergy
Enduring Curiosity
100%inclusion1 decks1 decks
93%synergy
Archetype of Imagination
100%inclusion1 decks1 decks
95%synergy
Heliod, the Radiant Dawn
100%inclusion1 decks1 decks
96%synergy
Entity Tracker
100%inclusion1 decks1 decks
93%synergy
Zur, Eternal Schemer
100%inclusion1 decks1 decks
97%synergy
Ondu Spiritdancer
100%inclusion1 decks1 decks
94%synergy
Alseid of Life's Bounty
100%inclusion1 decks1 decks
99%synergy
Instants
Frantic Search
100%inclusion1 decks1 decks
83%synergy
Thirst for Meaning
100%inclusion1 decks1 decks
98%synergy
Void Rend
100%inclusion1 decks1 decks
67%synergy
Slip Out the Back
100%inclusion1 decks1 decks
99%synergy
Swan Song
100%inclusion1 decks1 decks
81%synergy
Anguished Unmaking
100%inclusion1 decks1 decks
75%synergy
Otherworldly Gaze
100%inclusion1 decks1 decks
98%synergy
Counterspell
100%inclusion1 decks1 decks
59%synergy
Long River's Pull
100%inclusion1 decks1 decks
99%synergy
Generous Gift
100%inclusion1 decks1 decks
85%synergy
Swallowed by Leviathan
100%inclusion1 decks1 decks
99%synergy
Sorceries
Resurgent Belief
100%inclusion1 decks1 decks
98%synergy
Replenish
100%inclusion1 decks1 decks
98%synergy
Cut Your Losses
100%inclusion1 decks1 decks
100%synergy
Extinguish All Hope
100%inclusion1 decks1 decks
98%synergy
Dance of the Manse
100%inclusion1 decks1 decks
96%synergy
Utility Artifacts
Archaeomancer's Map
100%inclusion1 decks1 decks
95%synergy
Enchantments
Battle at the Helvault
100%inclusion1 decks1 decks
100%synergy
Grasp of Fate
100%inclusion1 decks1 decks
94%synergy
Cacophony Unleashed
100%inclusion1 decks1 decks
98%synergy
Ghoulish Impetus
100%inclusion1 decks1 decks
99%synergy
Ripples of Undeath
100%inclusion1 decks1 decks
97%synergy
Touch the Spirit Realm
100%inclusion1 decks1 decks
97%synergy
Necromancy
100%inclusion1 decks1 decks
95%synergy
Teval's Judgment
100%inclusion1 decks1 decks
99%synergy
Mirrormade
100%inclusion1 decks1 decks
90%synergy
Copy Enchantment
100%inclusion1 decks1 decks
95%synergy
Timely Ward
100%inclusion1 decks1 decks
95%synergy
Starfield of Nyx
100%inclusion1 decks1 decks
96%synergy
Cemetery Tampering
100%inclusion1 decks1 decks
99%synergy
Animate Dead
100%inclusion1 decks1 decks
90%synergy
Black Market Connections
100%inclusion1 decks1 decks
86%synergy
Land Tax
100%inclusion1 decks1 decks
94%synergy
Stillness in Motion
100%inclusion1 decks1 decks
100%synergy
Hallowed Haunting
100%inclusion1 decks1 decks
98%synergy
Tempest Technique
100%inclusion1 decks1 decks
99%synergy
Utility Lands
Hall of Heliod's Generosity
100%inclusion1 decks1 decks
87%synergy
Halimar Depths
100%inclusion1 decks1 decks
95%synergy
Takenuma, Abandoned Mire
100%inclusion1 decks1 decks
93%synergy
Urborg, Tomb of Yawgmoth
100%inclusion1 decks1 decks
87%synergy
Otawara, Soaring City
100%inclusion1 decks1 decks
81%synergy
Mana Artifacts
Talisman of Progress
100%inclusion1 decks1 decks
57%synergy
Arcane Signet
100%inclusion1 decks1 decks
12%synergy
Talisman of Dominance
100%inclusion1 decks1 decks
51%synergy
Talisman of Hierarchy
100%inclusion1 decks1 decks
57%synergy
Mind Stone
100%inclusion1 decks1 decks
87%synergy
Lands
Tundra
100%inclusion1 decks1 decks
84%synergy
Command Tower
100%inclusion1 decks1 decks
8%synergy
Undercity Sewers
100%inclusion1 decks1 decks
86%synergy
Azorius Chancery
100%inclusion1 decks1 decks
85%synergy
Shadowy Backstreet
100%inclusion1 decks1 decks
88%synergy
Bleachbone Verge
100%inclusion1 decks1 decks
92%synergy
Caves of Koilos
100%inclusion1 decks1 decks
65%synergy
Dimir Aqueduct
100%inclusion1 decks1 decks
86%synergy
Underground Sea
100%inclusion1 decks1 decks
84%synergy
Swamp
100%inclusion1 decks1 decks
9%synergy
Shipwreck Marsh
100%inclusion1 decks1 decks
79%synergy
Valgavoth's Lair
100%inclusion1 decks1 decks
97%synergy
Raffine's Tower
100%inclusion1 decks1 decks
59%synergy
Godless Shrine
100%inclusion1 decks1 decks
50%synergy
Underground River
100%inclusion1 decks1 decks
68%synergy
Orzhov Basilica
100%inclusion1 decks1 decks
84%synergy
Island
100%inclusion1 decks1 decks
7%synergy
Plains
100%inclusion1 decks1 decks
9%synergy
Shattered Sanctum
100%inclusion1 decks1 decks
84%synergy
Scrubland
100%inclusion1 decks1 decks
84%synergy
Meticulous Archive
100%inclusion1 decks1 decks
86%synergy
Adarkar Wastes
100%inclusion1 decks1 decks
70%synergy
Gloomlake Verge
100%inclusion1 decks1 decks
89%synergy
Marsh Flats
100%inclusion1 decks1 decks
64%synergy
Polluted Delta
100%inclusion1 decks1 decks
63%synergy
Deserted Beach
100%inclusion1 decks1 decks
79%synergy
Hallowed Fountain
100%inclusion1 decks1 decks
51%synergy
Floodfarm Verge
100%inclusion1 decks1 decks
89%synergy
Flooded Strand
100%inclusion1 decks1 decks
62%synergy
Watery Grave
100%inclusion1 decks1 decks
51%synergy
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