The Master of Keys (Commander) - Expensive Toolbox

The Master of Keys
Rank #303
2decks
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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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Smothering Tithe
100%inclusion2 decks2 decks
70%synergy
Rhystic Study
100%inclusion2 decks2 decks
70%synergy
Demonic Tutor
100%inclusion2 decks2 decks
80%synergy
Imperial Seal
50%inclusion1 decks2 decks
43%synergy
Thassa's Oracle
50%inclusion1 decks2 decks
41%synergy
Grim Monolith
50%inclusion1 decks2 decks
47%synergy
Ancient Tomb
50%inclusion1 decks2 decks
38%synergy
The One Ring
50%inclusion1 decks2 decks
37%synergy
Intuition
50%inclusion1 decks2 decks
48%synergy
Gifts Ungiven
50%inclusion1 decks2 decks
47%synergy
Creatures
Lotho, Corrupt Shirriff
100%inclusion2 decks2 decks
83%synergy
Esper Sentinel
100%inclusion2 decks2 decks
73%synergy
Hedron Crab
100%inclusion2 decks2 decks
99%synergy
Stenn, Paranoid Partisan
50%inclusion1 decks2 decks
49%synergy
Archivist of Oghma
50%inclusion1 decks2 decks
44%synergy
Displacer Kitten
50%inclusion1 decks2 decks
43%synergy
Starfield Mystic
50%inclusion1 decks2 decks
44%synergy
Gravebreaker Lamia
50%inclusion1 decks2 decks
49%synergy
Lurrus of the Dream-Den
50%inclusion1 decks2 decks
49%synergy
Valley Floodcaller
50%inclusion1 decks2 decks
46%synergy
Doom Whisperer
50%inclusion1 decks2 decks
49%synergy
Inquisitive Glimmer
50%inclusion1 decks2 decks
43%synergy
Fear of Impostors
50%inclusion1 decks2 decks
49%synergy
Leonin Relic-Warder
50%inclusion1 decks2 decks
50%synergy
Angel of Suffering
50%inclusion1 decks2 decks
50%synergy
Laboratory Maniac
50%inclusion1 decks2 decks
47%synergy
Voice of Victory
50%inclusion1 decks2 decks
42%synergy
Mockingbird
50%inclusion1 decks2 decks
46%synergy
Grand Abolisher
50%inclusion1 decks2 decks
36%synergy
Abdel Adrian, Gorion's Ward
50%inclusion1 decks2 decks
48%synergy
Ranger-Captain of Eos
50%inclusion1 decks2 decks
44%synergy
Hullbreaker Horror
50%inclusion1 decks2 decks
44%synergy
Orcish Bowmasters
50%inclusion1 decks2 decks
40%synergy
Mirror-Mad Phantasm
50%inclusion1 decks2 decks
50%synergy
Ghostly Pilferer
50%inclusion1 decks2 decks
43%synergy
Instants
Entomb
100%inclusion2 decks2 decks
93%synergy
Swan Song
100%inclusion2 decks2 decks
80%synergy
Swords to Plowshares
100%inclusion2 decks2 decks
32%synergy
Mental Misstep
50%inclusion1 decks2 decks
44%synergy
Tainted Pact
50%inclusion1 decks2 decks
43%synergy
An Offer You Can't Refuse
50%inclusion1 decks2 decks
22%synergy
Mindbreak Trap
50%inclusion1 decks2 decks
43%synergy
Dark Ritual
50%inclusion1 decks2 decks
30%synergy
Darkblast
50%inclusion1 decks2 decks
50%synergy
Banishing Knack
50%inclusion1 decks2 decks
50%synergy
Mana Drain
50%inclusion1 decks2 decks
33%synergy
Flusterstorm
50%inclusion1 decks2 decks
42%synergy
Silence
50%inclusion1 decks2 decks
40%synergy
Force of Will
50%inclusion1 decks2 decks
38%synergy
Demonic Consultation
50%inclusion1 decks2 decks
42%synergy
Arcane Denial
50%inclusion1 decks2 decks
30%synergy
Force of Negation
50%inclusion1 decks2 decks
38%synergy
Sink into Stupor
50%inclusion1 decks2 decks
37%synergy
Otherworldly Gaze
50%inclusion1 decks2 decks
48%synergy
Enlightened Tutor
50%inclusion1 decks2 decks
31%synergy
Borne Upon a Wind
50%inclusion1 decks2 decks
45%synergy
Fierce Guardianship
50%inclusion1 decks2 decks
30%synergy
Vampiric Tutor
50%inclusion1 decks2 decks
33%synergy
Pact of Negation
50%inclusion1 decks2 decks
43%synergy
Mystical Tutor
50%inclusion1 decks2 decks
39%synergy
Sorceries
Sevinne's Reclamation
100%inclusion2 decks2 decks
91%synergy
Space-Time Anomaly
100%inclusion1 decks1 decks
98%synergy
Lively Dirge
50%inclusion1 decks2 decks
49%synergy
Replenish
50%inclusion1 decks2 decks
48%synergy
Glimpse the Unthinkable
50%inclusion1 decks2 decks
50%synergy
Scheming Symmetry
50%inclusion1 decks2 decks
49%synergy
Toxic Deluge
50%inclusion1 decks2 decks
30%synergy
Utility Artifacts
Mesmeric Orb
50%inclusion1 decks2 decks
49%synergy
Perpetual Timepiece
50%inclusion1 decks2 decks
50%synergy
Wishclaw Talisman
50%inclusion1 decks2 decks
42%synergy
Enchantments
Dance of the Dead
100%inclusion2 decks2 decks
98%synergy
Ripples of Undeath
100%inclusion2 decks2 decks
97%synergy
Necromancy
100%inclusion2 decks2 decks
96%synergy
Mirrormade
100%inclusion2 decks2 decks
90%synergy
Mystic Remora
100%inclusion2 decks2 decks
80%synergy
Static Prison
100%inclusion2 decks2 decks
100%synergy
Animate Dead
100%inclusion2 decks2 decks
90%synergy
Dress Down
100%inclusion2 decks2 decks
98%synergy
Chakra Meditation
100%inclusion1 decks1 decks
100%synergy
Imprisoned in the Moon
50%inclusion1 decks2 decks
43%synergy
Tinybones Joins Up
50%inclusion1 decks2 decks
49%synergy
Out of the Tombs
50%inclusion1 decks2 decks
50%synergy
Chronic Flooding
50%inclusion1 decks2 decks
50%synergy
Touch the Spirit Realm
50%inclusion1 decks2 decks
48%synergy
Authority of the Consuls
50%inclusion1 decks2 decks
37%synergy
Steal Enchantment
50%inclusion1 decks2 decks
49%synergy
Blind Obedience
50%inclusion1 decks2 decks
38%synergy
Attunement
50%inclusion1 decks2 decks
50%synergy
Estrid's Invocation
50%inclusion1 decks2 decks
45%synergy
Copy Enchantment
50%inclusion1 decks2 decks
45%synergy
Necropotence
50%inclusion1 decks2 decks
44%synergy
The Tale of Tamiyo
50%inclusion1 decks2 decks
50%synergy
Cemetery Tampering
50%inclusion1 decks2 decks
49%synergy
Leyline of Anticipation
50%inclusion1 decks2 decks
46%synergy
Amphibian Downpour
50%inclusion1 decks2 decks
45%synergy
Seal of Cleansing
50%inclusion1 decks2 decks
49%synergy
Enhanced Surveillance
50%inclusion1 decks2 decks
49%synergy
Solitary Confinement
50%inclusion1 decks2 decks
48%synergy
Stillness in Motion
50%inclusion1 decks2 decks
50%synergy
Greater Auramancy
50%inclusion1 decks2 decks
46%synergy
Ghostly Prison
50%inclusion1 decks2 decks
27%synergy
Propaganda
50%inclusion1 decks2 decks
21%synergy
Chains of Mephistopheles
50%inclusion1 decks2 decks
50%synergy
Seal of Removal
50%inclusion1 decks2 decks
49%synergy
Sinister Concoction
50%inclusion1 decks2 decks
50%synergy
Planeswalkers
Ashiok, Dream Render
50%inclusion1 decks2 decks
49%synergy
Teferi, Time Raveler
50%inclusion1 decks2 decks
42%synergy
Utility Lands
Emergence Zone
50%inclusion1 decks2 decks
48%synergy
Otawara, Soaring City
50%inclusion1 decks2 decks
31%synergy
Mana Artifacts
Sol Ring
100%inclusion2 decks2 decks
10%synergy
Talisman of Progress
50%inclusion1 decks2 decks
6%synergy
Arcane Signet
50%inclusion1 decks2 decks
-38%synergy
Lotus Petal
50%inclusion1 decks2 decks
40%synergy
Talisman of Dominance
50%inclusion1 decks2 decks
-0%synergy
Mana Vault
50%inclusion1 decks2 decks
41%synergy
Chrome Mox
50%inclusion1 decks2 decks
41%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
7%synergy
Misty Rainforest
100%inclusion2 decks2 decks
89%synergy
Windswept Heath
100%inclusion2 decks2 decks
91%synergy
Underground Sea
100%inclusion2 decks2 decks
84%synergy
Swamp
100%inclusion2 decks2 decks
8%synergy
Sea of Clouds
100%inclusion2 decks2 decks
65%synergy
Verdant Catacombs
100%inclusion2 decks2 decks
90%synergy
Godless Shrine
100%inclusion2 decks2 decks
48%synergy
Island
100%inclusion2 decks2 decks
7%synergy
Plains
100%inclusion2 decks2 decks
8%synergy
Morphic Pool
100%inclusion2 decks2 decks
66%synergy
Scrubland
100%inclusion2 decks2 decks
84%synergy
Meticulous Archive
100%inclusion2 decks2 decks
86%synergy
Mana Confluence
100%inclusion2 decks2 decks
86%synergy
Marsh Flats
100%inclusion2 decks2 decks
64%synergy
Vault of Champions
100%inclusion2 decks2 decks
68%synergy
Polluted Delta
100%inclusion2 decks2 decks
62%synergy
Hallowed Fountain
100%inclusion2 decks2 decks
49%synergy
City of Brass
100%inclusion2 decks2 decks
85%synergy
Flooded Strand
100%inclusion2 decks2 decks
61%synergy
Bloodstained Mire
100%inclusion2 decks2 decks
89%synergy
Watery Grave
100%inclusion2 decks2 decks
49%synergy
Prismatic Vista
50%inclusion1 decks2 decks
46%synergy
Undercity Sewers
50%inclusion1 decks2 decks
35%synergy
Shadowy Backstreet
50%inclusion1 decks2 decks
37%synergy
Exotic Orchard
50%inclusion1 decks2 decks
-9%synergy
Caves of Koilos
50%inclusion1 decks2 decks
14%synergy
Underground River
50%inclusion1 decks2 decks
15%synergy
Sink into Stupor
50%inclusion1 decks2 decks
37%synergy
Gemstone Caverns
50%inclusion1 decks2 decks
43%synergy
Arid Mesa
50%inclusion1 decks2 decks
41%synergy
Scalding Tarn
50%inclusion1 decks2 decks
39%synergy
Forbidden Orchard
50%inclusion1 decks2 decks
48%synergy
Adarkar Wastes
50%inclusion1 decks2 decks
17%synergy
Gloomlake Verge
50%inclusion1 decks2 decks
39%synergy
Sunken Ruins
50%inclusion1 decks2 decks
40%synergy
Mystic Gate
50%inclusion1 decks2 decks
44%synergy
Floodfarm Verge
50%inclusion1 decks2 decks
39%synergy
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