The Master of Keys (Commander) - Expensive Good Stuff

The Master of Keys
Rank #314
2decks
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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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Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Smothering Tithe
100%inclusion2 decks2 decks
68%synergy
Imperial Seal
100%inclusion2 decks2 decks
92%synergy
Thassa's Oracle
100%inclusion2 decks2 decks
90%synergy
Ancient Tomb
100%inclusion2 decks2 decks
87%synergy
Intuition
100%inclusion2 decks2 decks
98%synergy
Rhystic Study
100%inclusion2 decks2 decks
68%synergy
Mana Vault
100%inclusion2 decks2 decks
91%synergy
Demonic Tutor
100%inclusion2 decks2 decks
79%synergy
Force of Will
100%inclusion2 decks2 decks
87%synergy
Enlightened Tutor
100%inclusion2 decks2 decks
80%synergy
Creatures
Archivist of Oghma
100%inclusion2 decks2 decks
93%synergy
Lotho, Corrupt Shirriff
100%inclusion2 decks2 decks
83%synergy
Esper Sentinel
100%inclusion2 decks2 decks
72%synergy
Mockingbird
100%inclusion2 decks2 decks
96%synergy
Grand Abolisher
100%inclusion2 decks2 decks
85%synergy
Abdel Adrian, Gorion's Ward
100%inclusion2 decks2 decks
98%synergy
Ranger-Captain of Eos
100%inclusion2 decks2 decks
93%synergy
Orcish Bowmasters
100%inclusion2 decks2 decks
89%synergy
High Fae Trickster
50%inclusion1 decks2 decks
45%synergy
Vohar, Vodalian Desecrator
50%inclusion1 decks2 decks
46%synergy
Valley Floodcaller
50%inclusion1 decks2 decks
46%synergy
Doom Whisperer
50%inclusion1 decks2 decks
48%synergy
Talion, the Kindly Lord
50%inclusion1 decks2 decks
42%synergy
Nezahal, Primal Tide
50%inclusion1 decks2 decks
46%synergy
Auriok Salvagers
50%inclusion1 decks2 decks
50%synergy
Psychic Frog
50%inclusion1 decks2 decks
43%synergy
Ledger Shredder
50%inclusion1 decks2 decks
41%synergy
Instants
Mental Misstep
100%inclusion2 decks2 decks
93%synergy
Tainted Pact
100%inclusion2 decks2 decks
92%synergy
Chain of Vapor
100%inclusion2 decks2 decks
97%synergy
Entomb
100%inclusion2 decks2 decks
93%synergy
Mindbreak Trap
100%inclusion2 decks2 decks
93%synergy
Dark Ritual
100%inclusion2 decks2 decks
81%synergy
Flusterstorm
100%inclusion2 decks2 decks
92%synergy
Silence
100%inclusion2 decks2 decks
90%synergy
Swan Song
100%inclusion2 decks2 decks
80%synergy
Demonic Consultation
100%inclusion2 decks2 decks
92%synergy
Force of Negation
100%inclusion2 decks2 decks
88%synergy
Borne Upon a Wind
100%inclusion2 decks2 decks
95%synergy
Vampiric Tutor
100%inclusion2 decks2 decks
82%synergy
Pact of Negation
100%inclusion2 decks2 decks
92%synergy
Mystical Tutor
100%inclusion2 decks2 decks
88%synergy
Retraction Helix
50%inclusion1 decks2 decks
49%synergy
Lim-Dûl's Vault
50%inclusion1 decks2 decks
47%synergy
Brain Freeze
50%inclusion1 decks2 decks
49%synergy
Cabal Ritual
50%inclusion1 decks2 decks
47%synergy
Culling the Weak
50%inclusion1 decks2 decks
48%synergy
Into the Flood Maw
50%inclusion1 decks2 decks
46%synergy
Ad Nauseam
50%inclusion1 decks2 decks
48%synergy
Swords to Plowshares
50%inclusion1 decks2 decks
-18%synergy
Cyclonic Rift
50%inclusion1 decks2 decks
25%synergy
Sorceries
Windfall
50%inclusion1 decks2 decks
36%synergy
Sevinne's Reclamation
50%inclusion1 decks2 decks
41%synergy
Gitaxian Probe
50%inclusion1 decks2 decks
48%synergy
Yawgmoth's Will
50%inclusion1 decks2 decks
49%synergy
Praetor's Grasp
50%inclusion1 decks2 decks
47%synergy
Demonic Counsel
50%inclusion1 decks2 decks
49%synergy
Mnemonic Betrayal
50%inclusion1 decks2 decks
47%synergy
Toxic Deluge
50%inclusion1 decks2 decks
30%synergy
Dark Deal
50%inclusion1 decks2 decks
49%synergy
Utility Artifacts
Wishclaw Talisman
100%inclusion2 decks2 decks
92%synergy
The One Ring
50%inclusion1 decks2 decks
36%synergy
Agatha's Soul Cauldron
50%inclusion1 decks2 decks
49%synergy
Imposter Mech
50%inclusion1 decks2 decks
48%synergy
Enchantments
Dance of the Dead
100%inclusion2 decks2 decks
98%synergy
Tinybones Joins Up
100%inclusion2 decks2 decks
99%synergy
Touch the Spirit Realm
100%inclusion2 decks2 decks
97%synergy
Steal Enchantment
100%inclusion2 decks2 decks
99%synergy
Necromancy
100%inclusion2 decks2 decks
95%synergy
Copy Artifact
100%inclusion2 decks2 decks
99%synergy
Mystic Remora
100%inclusion2 decks2 decks
79%synergy
Animate Dead
100%inclusion2 decks2 decks
90%synergy
Dress Down
100%inclusion2 decks2 decks
98%synergy
Waste Not
50%inclusion1 decks2 decks
50%synergy
Counterbalance
50%inclusion1 decks2 decks
48%synergy
The Meathook Massacre
50%inclusion1 decks2 decks
47%synergy
Blind Obedience
50%inclusion1 decks2 decks
38%synergy
Amphibian Downpour
50%inclusion1 decks2 decks
45%synergy
Seal of Cleansing
50%inclusion1 decks2 decks
48%synergy
Static Prison
50%inclusion1 decks2 decks
50%synergy
Black Market Connections
50%inclusion1 decks2 decks
36%synergy
Chains of Mephistopheles
50%inclusion1 decks2 decks
50%synergy
Trouble in Pairs
50%inclusion1 decks2 decks
44%synergy
Utility Lands
Otawara, Soaring City
100%inclusion2 decks2 decks
81%synergy
City of Traitors
100%inclusion2 decks2 decks
99%synergy
Phyrexian Tower
50%inclusion1 decks2 decks
46%synergy
Urza's Saga
50%inclusion1 decks2 decks
38%synergy
Mana Artifacts
Talisman of Progress
100%inclusion2 decks2 decks
57%synergy
Arcane Signet
100%inclusion2 decks2 decks
12%synergy
Lotus Petal
100%inclusion2 decks2 decks
89%synergy
Talisman of Dominance
100%inclusion2 decks2 decks
51%synergy
Sol Ring
100%inclusion2 decks2 decks
10%synergy
Chrome Mox
100%inclusion2 decks2 decks
90%synergy
Lion's Eye Diamond
100%inclusion2 decks2 decks
98%synergy
Mox Diamond
100%inclusion2 decks2 decks
93%synergy
Grim Monolith
50%inclusion1 decks2 decks
46%synergy
Fellwar Stone
50%inclusion1 decks2 decks
16%synergy
Talisman of Hierarchy
50%inclusion1 decks2 decks
7%synergy
Mox Opal
50%inclusion1 decks2 decks
41%synergy
Lands
Tundra
100%inclusion2 decks2 decks
84%synergy
Command Tower
100%inclusion2 decks2 decks
8%synergy
Undercity Sewers
100%inclusion2 decks2 decks
86%synergy
Misty Rainforest
100%inclusion2 decks2 decks
89%synergy
Windswept Heath
100%inclusion2 decks2 decks
90%synergy
Underground Sea
100%inclusion2 decks2 decks
84%synergy
Sea of Clouds
100%inclusion2 decks2 decks
64%synergy
Verdant Catacombs
100%inclusion2 decks2 decks
90%synergy
Godless Shrine
100%inclusion2 decks2 decks
50%synergy
Morphic Pool
100%inclusion2 decks2 decks
66%synergy
Gemstone Caverns
100%inclusion2 decks2 decks
92%synergy
Arid Mesa
100%inclusion2 decks2 decks
90%synergy
Scrubland
100%inclusion2 decks2 decks
84%synergy
Scalding Tarn
100%inclusion2 decks2 decks
89%synergy
Mana Confluence
100%inclusion2 decks2 decks
86%synergy
Marsh Flats
100%inclusion2 decks2 decks
64%synergy
Polluted Delta
100%inclusion2 decks2 decks
63%synergy
Hallowed Fountain
100%inclusion2 decks2 decks
51%synergy
City of Brass
100%inclusion2 decks2 decks
85%synergy
Flooded Strand
100%inclusion2 decks2 decks
62%synergy
Bloodstained Mire
100%inclusion2 decks2 decks
89%synergy
Watery Grave
100%inclusion2 decks2 decks
50%synergy
Talon Gates of Madara
50%inclusion1 decks2 decks
49%synergy
Vault of Champions
50%inclusion1 decks2 decks
17%synergy
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