The Master of Keys (Commander) - Expensive Voltron

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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Commander Spellbook
Moxfield
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Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Smothering Tithe
100%inclusion2 decks2 decks
68%synergy
Ancient Tomb
100%inclusion2 decks2 decks
87%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
Enlightened Tutor
100%inclusion2 decks2 decks
80%synergy
Cyclonic Rift
100%inclusion2 decks2 decks
75%synergy
Chrome Mox
100%inclusion2 decks2 decks
90%synergy
Vampiric Tutor
100%inclusion2 decks2 decks
82%synergy
Imperial Seal
50%inclusion1 decks2 decks
42%synergy
Creatures
Displacer Kitten
100%inclusion2 decks2 decks
93%synergy
Abdel Adrian, Gorion's Ward
100%inclusion2 decks2 decks
98%synergy
Lotho, Corrupt Shirriff
50%inclusion1 decks2 decks
33%synergy
Scrabbling Skullcrab
50%inclusion1 decks2 decks
49%synergy
Hoarding Broodlord
50%inclusion1 decks2 decks
48%synergy
Thassa's Oracle
50%inclusion1 decks2 decks
40%synergy
Opposition Agent
50%inclusion1 decks2 decks
41%synergy
Starfield Mystic
50%inclusion1 decks2 decks
43%synergy
Lurrus of the Dream-Den
50%inclusion1 decks2 decks
48%synergy
Inquisitive Glimmer
50%inclusion1 decks2 decks
42%synergy
Walking Ballista
50%inclusion1 decks2 decks
48%synergy
Esper Sentinel
50%inclusion1 decks2 decks
22%synergy
Mother of Runes
50%inclusion1 decks2 decks
47%synergy
Fear of Impostors
50%inclusion1 decks2 decks
48%synergy
Heliod, Sun-Crowned
50%inclusion1 decks2 decks
46%synergy
Overlord of the Balemurk
50%inclusion1 decks2 decks
48%synergy
Overlord of the Mistmoors
50%inclusion1 decks2 decks
48%synergy
Mesa Enchantress
50%inclusion1 decks2 decks
41%synergy
Victor, Valgavoth's Seneschal
50%inclusion1 decks2 decks
48%synergy
Fear of Sleep Paralysis
50%inclusion1 decks2 decks
44%synergy
Drannith Magistrate
50%inclusion1 decks2 decks
42%synergy
Heliod, the Radiant Dawn
50%inclusion1 decks2 decks
46%synergy
Ghostly Dancers
50%inclusion1 decks2 decks
47%synergy
Grand Abolisher
50%inclusion1 decks2 decks
35%synergy
Entity Tracker
50%inclusion1 decks2 decks
44%synergy
Ranger-Captain of Eos
50%inclusion1 decks2 decks
43%synergy
Zur, Eternal Schemer
50%inclusion1 decks2 decks
47%synergy
Hullbreaker Horror
50%inclusion1 decks2 decks
44%synergy
Auriok Salvagers
50%inclusion1 decks2 decks
50%synergy
Orcish Bowmasters
50%inclusion1 decks2 decks
39%synergy
Instants
Entomb
100%inclusion2 decks2 decks
93%synergy
Dark Ritual
100%inclusion2 decks2 decks
81%synergy
Swan Song
100%inclusion2 decks2 decks
80%synergy
Mental Misstep
50%inclusion1 decks2 decks
43%synergy
Tainted Pact
50%inclusion1 decks2 decks
42%synergy
Intuition
50%inclusion1 decks2 decks
48%synergy
Mindbreak Trap
50%inclusion1 decks2 decks
43%synergy
Cabal Ritual
50%inclusion1 decks2 decks
47%synergy
Flusterstorm
50%inclusion1 decks2 decks
42%synergy
Silence
50%inclusion1 decks2 decks
40%synergy
Into the Flood Maw
50%inclusion1 decks2 decks
46%synergy
Force of Will
50%inclusion1 decks2 decks
37%synergy
Demonic Consultation
50%inclusion1 decks2 decks
42%synergy
Force of Negation
50%inclusion1 decks2 decks
38%synergy
Swords to Plowshares
50%inclusion1 decks2 decks
-18%synergy
Borne Upon a Wind
50%inclusion1 decks2 decks
45%synergy
Fierce Guardianship
50%inclusion1 decks2 decks
29%synergy
Path to Exile
50%inclusion1 decks2 decks
8%synergy
Dramatic Reversal
50%inclusion1 decks2 decks
48%synergy
Saw in Half
50%inclusion1 decks2 decks
48%synergy
Pact of Negation
50%inclusion1 decks2 decks
42%synergy
Mystical Tutor
50%inclusion1 decks2 decks
38%synergy
Sorceries
Sevinne's Reclamation
100%inclusion2 decks2 decks
91%synergy
Reanimate
100%inclusion2 decks2 decks
84%synergy
Cabal Therapy
50%inclusion1 decks2 decks
50%synergy
Windfall
50%inclusion1 decks2 decks
36%synergy
Yawgmoth's Will
50%inclusion1 decks2 decks
49%synergy
Wrath of God
50%inclusion1 decks2 decks
46%synergy
Praetor's Grasp
50%inclusion1 decks2 decks
47%synergy
Toxic Deluge
50%inclusion1 decks2 decks
30%synergy
Dark Deal
50%inclusion1 decks2 decks
49%synergy
Utility Artifacts
Sensei's Divining Top
50%inclusion1 decks2 decks
40%synergy
The One Ring
50%inclusion1 decks2 decks
36%synergy
Wishclaw Talisman
50%inclusion1 decks2 decks
42%synergy
Agatha's Soul Cauldron
50%inclusion1 decks2 decks
49%synergy
Isochron Scepter
50%inclusion1 decks2 decks
48%synergy
Enchantments
Dance of the Dead
100%inclusion2 decks2 decks
98%synergy
Touch the Spirit Realm
100%inclusion2 decks2 decks
97%synergy
Necromancy
100%inclusion2 decks2 decks
95%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
Darksteel Mutation
50%inclusion1 decks2 decks
44%synergy
Counterbalance
50%inclusion1 decks2 decks
48%synergy
Ripples of Undeath
50%inclusion1 decks2 decks
47%synergy
Underwater Tunnel // Slimy Aquarium
50%inclusion1 decks2 decks
50%synergy
Imprisoned in the Moon
50%inclusion1 decks2 decks
43%synergy
Sigil of the Empty Throne
50%inclusion1 decks2 decks
44%synergy
Tinybones Joins Up
50%inclusion1 decks2 decks
49%synergy
Blind Obedience
50%inclusion1 decks2 decks
38%synergy
Derelict Attic // Widow's Walk
50%inclusion1 decks2 decks
50%synergy
Necropotence
50%inclusion1 decks2 decks
43%synergy
Cemetery Tampering
50%inclusion1 decks2 decks
49%synergy
Dazzling Theater // Prop Room
50%inclusion1 decks2 decks
48%synergy
Sheltered by Ghosts
50%inclusion1 decks2 decks
47%synergy
Nowhere to Run
50%inclusion1 decks2 decks
49%synergy
Into the Pit
50%inclusion1 decks2 decks
50%synergy
Ghostly Prison
50%inclusion1 decks2 decks
28%synergy
Propaganda
50%inclusion1 decks2 decks
23%synergy
Defiled Crypt // Cadaver Lab
50%inclusion1 decks2 decks
49%synergy
Planeswalkers
Teferi, Time Raveler
50%inclusion1 decks2 decks
42%synergy
Utility Lands
Urza's Saga
100%inclusion2 decks2 decks
88%synergy
Otawara, Soaring City
100%inclusion2 decks2 decks
81%synergy
Serra's Sanctum
50%inclusion1 decks2 decks
48%synergy
Emergence Zone
50%inclusion1 decks2 decks
48%synergy
Mana Artifacts
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
Mox Opal
100%inclusion2 decks2 decks
91%synergy
Grim Monolith
50%inclusion1 decks2 decks
46%synergy
Mox Amber
50%inclusion1 decks2 decks
44%synergy
Fellwar Stone
50%inclusion1 decks2 decks
16%synergy
Lion's Eye Diamond
50%inclusion1 decks2 decks
48%synergy
Mox Diamond
50%inclusion1 decks2 decks
43%synergy
Lands
Tundra
100%inclusion2 decks2 decks
84%synergy
Command Tower
100%inclusion2 decks2 decks
8%synergy
Misty Rainforest
100%inclusion2 decks2 decks
89%synergy
Exotic Orchard
100%inclusion2 decks2 decks
41%synergy
Windswept Heath
100%inclusion2 decks2 decks
90%synergy
Underground Sea
100%inclusion2 decks2 decks
84%synergy
Verdant Catacombs
100%inclusion2 decks2 decks
90%synergy
Godless Shrine
100%inclusion2 decks2 decks
50%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
Prismatic Vista
50%inclusion1 decks2 decks
46%synergy
Undercity Sewers
50%inclusion1 decks2 decks
36%synergy
Swamp
50%inclusion1 decks2 decks
-41%synergy
Shipwreck Marsh
50%inclusion1 decks2 decks
29%synergy
Valgavoth's Lair
50%inclusion1 decks2 decks
47%synergy
Raffine's Tower
50%inclusion1 decks2 decks
9%synergy
Island
50%inclusion1 decks2 decks
-43%synergy
Plains
50%inclusion1 decks2 decks
-41%synergy
Morphic Pool
50%inclusion1 decks2 decks
16%synergy
Meticulous Archive
50%inclusion1 decks2 decks
36%synergy
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