The Master of Keys (Commander) - Expensive Upgraded Enchantress

The Master of Keys
Rank #306
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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
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Ripples of Undeath
91%inclusion10 decks11 decks
88%synergy
Sevinne's Reclamation
82%inclusion9 decks11 decks
73%synergy
Hall of Heliod's Generosity
82%inclusion9 decks11 decks
69%synergy
Animate Dead
73%inclusion8 decks11 decks
63%synergy
Dance of the Dead
64%inclusion7 decks11 decks
61%synergy
Amphibian Downpour
64%inclusion7 decks11 decks
59%synergy
Necromancy
64%inclusion7 decks11 decks
59%synergy
Entity Tracker
64%inclusion7 decks11 decks
57%synergy
Inquisitive Glimmer
64%inclusion7 decks11 decks
56%synergy
Mirrormade
64%inclusion7 decks11 decks
54%synergy
Top Cards
An Offer You Can't Refuse
64%inclusion7 decks11 decks
37%synergy
Swan Song
64%inclusion7 decks11 decks
44%synergy
Propaganda
64%inclusion7 decks11 decks
37%synergy
The Meathook Massacre
55%inclusion6 decks11 decks
51%synergy
Scrabbling Skullcrab
55%inclusion6 decks11 decks
54%synergy
Overlord of the Floodpits
55%inclusion6 decks11 decks
51%synergy
Demon of Fate's Design
55%inclusion6 decks11 decks
49%synergy
Fear of Impostors
55%inclusion6 decks11 decks
53%synergy
Mystic Remora
55%inclusion6 decks11 decks
33%synergy
Ghostly Dancers
55%inclusion6 decks11 decks
52%synergy
Game Changers
Smothering Tithe
82%inclusion9 decks11 decks
50%synergy
Rhystic Study
55%inclusion6 decks11 decks
23%synergy
Serra's Sanctum
27%inclusion3 decks11 decks
26%synergy
Intuition
18%inclusion2 decks11 decks
16%synergy
Gifts Ungiven
18%inclusion2 decks11 decks
16%synergy
Teferi's Protection
9.1%inclusion1 decks11 decks
-8%synergy
Imperial Seal
9.1%inclusion1 decks11 decks
2%synergy
Thassa's Oracle
9.1%inclusion1 decks11 decks
-1%synergy
Ancient Tomb
9.1%inclusion1 decks11 decks
-4%synergy
Consecrated Sphinx
9.1%inclusion1 decks11 decks
3%synergy
Creatures
Starfield Mystic
45%inclusion5 decks11 decks
39%synergy
Gravebreaker Lamia
45%inclusion5 decks11 decks
44%synergy
Overlord of the Balemurk
45%inclusion5 decks11 decks
44%synergy
Victor, Valgavoth's Seneschal
45%inclusion5 decks11 decks
43%synergy
Fear of Sleep Paralysis
45%inclusion5 decks11 decks
40%synergy
Grim Guardian
45%inclusion5 decks11 decks
43%synergy
Silent Hallcreeper
36%inclusion4 decks11 decks
32%synergy
Doomwake Giant
36%inclusion4 decks11 decks
30%synergy
Zur, Eternal Schemer
36%inclusion4 decks11 decks
33%synergy
Archon of Sun's Grace
27%inclusion3 decks11 decks
23%synergy
Sage of Mysteries
27%inclusion3 decks11 decks
27%synergy
Mesa Enchantress
27%inclusion3 decks11 decks
18%synergy
Enduring Curiosity
27%inclusion3 decks11 decks
19%synergy
Ondu Spiritdancer
27%inclusion3 decks11 decks
21%synergy
Stenn, Paranoid Partisan
18%inclusion2 decks11 decks
17%synergy
Lotho, Corrupt Shirriff
18%inclusion2 decks11 decks
1%synergy
Fear of Surveillance
18%inclusion2 decks11 decks
18%synergy
Esper Sentinel
18%inclusion2 decks11 decks
-10%synergy
Leonin Relic-Warder
18%inclusion2 decks11 decks
18%synergy
Neerdiv, Devious Diver
18%inclusion2 decks11 decks
18%synergy
Sun Titan
18%inclusion2 decks11 decks
10%synergy
Ancient Cellarspawn
18%inclusion2 decks11 decks
15%synergy
Heliod, the Radiant Dawn
18%inclusion2 decks11 decks
14%synergy
Toxrill, the Corrosive
18%inclusion2 decks11 decks
15%synergy
Abdel Adrian, Gorion's Ward
18%inclusion2 decks11 decks
16%synergy
Hullbreaker Horror
18%inclusion2 decks11 decks
12%synergy
Ledger Shredder
18%inclusion2 decks11 decks
9%synergy
Mindwrack Harpy
18%inclusion2 decks11 decks
18%synergy
Summon: Yojimbo
13%inclusion1 decks8 decks
11%synergy
Astelli Reclaimer
13%inclusion1 decks8 decks
12%synergy
Fear of Falling
9.1%inclusion1 decks11 decks
9%synergy
Starnheim Courser
9.1%inclusion1 decks11 decks
5%synergy
Fear of Infinity
9.1%inclusion1 decks11 decks
8%synergy
Erratic Apparition
9.1%inclusion1 decks11 decks
9%synergy
The Mindskinner
9.1%inclusion1 decks11 decks
8%synergy
Osseous Sticktwister
9.1%inclusion1 decks11 decks
9%synergy
Hunted Horror
9.1%inclusion1 decks11 decks
9%synergy
Gray Merchant of Asphodel
9.1%inclusion1 decks11 decks
4%synergy
Lurrus of the Dream-Den
9.1%inclusion1 decks11 decks
8%synergy
Scholar of New Horizons
9.1%inclusion1 decks11 decks
8%synergy
Agent of Erebos
9.1%inclusion1 decks11 decks
9%synergy
Celestial Ancient
9.1%inclusion1 decks11 decks
9%synergy
Phyrexian Obliterator
9.1%inclusion1 decks11 decks
9%synergy
Valley Floodcaller
9.1%inclusion1 decks11 decks
5%synergy
Doom Whisperer
9.1%inclusion1 decks11 decks
8%synergy
Zellix, Sanity Flayer
9.1%inclusion1 decks11 decks
9%synergy
Nighthowler
9.1%inclusion1 decks11 decks
9%synergy
Jace, Vryn's Prodigy
9.1%inclusion1 decks11 decks
9%synergy
Hedron Crab
9.1%inclusion1 decks11 decks
8%synergy
Boggart Trawler
9.1%inclusion1 decks11 decks
6%synergy
Instants
Entomb
45%inclusion5 decks11 decks
39%synergy
Thirst for Meaning
45%inclusion5 decks11 decks
44%synergy
Mana Drain
36%inclusion4 decks11 decks
19%synergy
Arcane Denial
36%inclusion4 decks11 decks
16%synergy
Swords to Plowshares
27%inclusion3 decks11 decks
-41%synergy
Sink into Stupor
27%inclusion3 decks11 decks
15%synergy
Lim-Dûl's Vault
18%inclusion2 decks11 decks
15%synergy
Fact or Fiction
18%inclusion2 decks11 decks
14%synergy
Void Rend
18%inclusion2 decks11 decks
-16%synergy
Strix Serenade
18%inclusion2 decks11 decks
15%synergy
Faithful Mending
18%inclusion2 decks11 decks
14%synergy
Counterspell
18%inclusion2 decks11 decks
-23%synergy
Path to Exile
18%inclusion2 decks11 decks
-24%synergy
Pact of Negation
18%inclusion2 decks11 decks
10%synergy
Withering Torment
18%inclusion2 decks11 decks
16%synergy
Louisoix's Sacrifice
13%inclusion1 decks8 decks
12%synergy
Negate
9.1%inclusion1 decks11 decks
-7%synergy
Eerie Interference
9.1%inclusion1 decks11 decks
9%synergy
Dark Ritual
9.1%inclusion1 decks11 decks
-10%synergy
Cabal Ritual
9.1%inclusion1 decks11 decks
6%synergy
Tolarian Winds
9.1%inclusion1 decks11 decks
7%synergy
Seized from Slumber
9.1%inclusion1 decks11 decks
9%synergy
Perplex
9.1%inclusion1 decks11 decks
8%synergy
Jwari Disruption
9.1%inclusion1 decks11 decks
8%synergy
Force of Will
9.1%inclusion1 decks11 decks
-4%synergy
Otherworldly Gaze
9.1%inclusion1 decks11 decks
7%synergy
Enlightened Tutor
9.1%inclusion1 decks11 decks
-11%synergy
Utter End
9.1%inclusion1 decks11 decks
2%synergy
Memory Deluge
9.1%inclusion1 decks11 decks
9%synergy
Don't Make a Sound
9.1%inclusion1 decks11 decks
9%synergy
Generous Gift
9.1%inclusion1 decks11 decks
-6%synergy
Sorceries
Reanimate
36%inclusion4 decks11 decks
20%synergy
Toxic Deluge
36%inclusion4 decks11 decks
17%synergy
Replenish
27%inclusion3 decks11 decks
26%synergy
Glimpse the Unthinkable
27%inclusion3 decks11 decks
27%synergy
Demonic Counsel
27%inclusion3 decks11 decks
26%synergy
Redress Fate
27%inclusion3 decks11 decks
21%synergy
Dance of the Manse
27%inclusion3 decks11 decks
24%synergy
Supreme Verdict
18%inclusion2 decks11 decks
3%synergy
Commune with Evil
18%inclusion2 decks11 decks
18%synergy
Farewell
18%inclusion2 decks11 decks
5%synergy
Slaughter the Strong
18%inclusion2 decks11 decks
18%synergy
Damn
18%inclusion2 decks11 decks
-2%synergy
Extinguish All Hope
18%inclusion2 decks11 decks
17%synergy
Compulsive Research
18%inclusion2 decks11 decks
18%synergy
Singularity Rupture
13%inclusion1 decks8 decks
10%synergy
Space-Time Anomaly
13%inclusion1 decks8 decks
11%synergy
Ponder
9.1%inclusion1 decks11 decks
0%synergy
Windfall
9.1%inclusion1 decks11 decks
-5%synergy
Lively Dirge
9.1%inclusion1 decks11 decks
8%synergy
Tranquilize
9.1%inclusion1 decks11 decks
9%synergy
Clear the Mind
9.1%inclusion1 decks11 decks
9%synergy
Wrath of God
9.1%inclusion1 decks11 decks
5%synergy
Diabolic Vision
9.1%inclusion1 decks11 decks
7%synergy
Demonic Tutor
9.1%inclusion1 decks11 decks
-12%synergy
Brilliant Restoration
9.1%inclusion1 decks11 decks
7%synergy
Day of Judgment
9.1%inclusion1 decks11 decks
8%synergy
Portent
9.1%inclusion1 decks11 decks
6%synergy
Utility Artifacts
Mesmeric Orb
36%inclusion4 decks11 decks
35%synergy
Cloud Key
27%inclusion3 decks11 decks
24%synergy
Chimil, the Inner Sun
18%inclusion2 decks11 decks
17%synergy
Crucible of Worlds
18%inclusion2 decks11 decks
17%synergy
Palantír of Orthanc
18%inclusion2 decks11 decks
17%synergy
Wishclaw Talisman
18%inclusion2 decks11 decks
10%synergy
Lightning Greaves
18%inclusion2 decks11 decks
-4%synergy
Perpetual Timepiece
9.1%inclusion1 decks11 decks
9%synergy
The One Ring
9.1%inclusion1 decks11 decks
-4%synergy
Helm of the Gods
9.1%inclusion1 decks11 decks
8%synergy
Expedition Map
9.1%inclusion1 decks11 decks
8%synergy
Altar of Dementia
9.1%inclusion1 decks11 decks
8%synergy
Enchantments
Secret Arcade // Dusty Parlor
55%inclusion6 decks11 decks
50%synergy
Ghostly Prison
55%inclusion6 decks11 decks
33%synergy
Stillness in Motion
50%inclusion5 decks10 decks
50%synergy
Out of the Tombs
45%inclusion5 decks11 decks
45%synergy
Estrid's Invocation
45%inclusion5 decks11 decks
41%synergy
Sphere of Safety
45%inclusion5 decks11 decks
36%synergy
Cemetery Tampering
45%inclusion5 decks11 decks
45%synergy
Static Prison
45%inclusion5 decks11 decks
45%synergy
Dress Down
45%inclusion5 decks11 decks
43%synergy
Sigil of the Empty Throne
36%inclusion4 decks11 decks
30%synergy
Blind Obedience
36%inclusion4 decks11 decks
24%synergy
The Tale of Tamiyo
36%inclusion4 decks11 decks
36%synergy
Seal of Cleansing
36%inclusion4 decks11 decks
35%synergy
Dazzling Theater // Prop Room
36%inclusion4 decks11 decks
35%synergy
Polluted Cistern // Dim Oubliette
36%inclusion4 decks11 decks
36%synergy
Land Tax
36%inclusion4 decks11 decks
30%synergy
Greater Auramancy
36%inclusion4 decks11 decks
32%synergy
Seal of Removal
36%inclusion4 decks11 decks
36%synergy
Trouble in Pairs
36%inclusion4 decks11 decks
31%synergy
Defiled Crypt // Cadaver Lab
36%inclusion4 decks11 decks
36%synergy
Grasp of Fate
27%inclusion3 decks11 decks
21%synergy
Cacophony Unleashed
27%inclusion3 decks11 decks
26%synergy
Unable to Scream
27%inclusion3 decks11 decks
26%synergy
Chronic Flooding
27%inclusion3 decks11 decks
27%synergy
Touch the Spirit Realm
27%inclusion3 decks11 decks
25%synergy
Authority of the Consuls
27%inclusion3 decks11 decks
16%synergy
Hopeless Nightmare
27%inclusion3 decks11 decks
27%synergy
Out of Time
27%inclusion3 decks11 decks
26%synergy
Restricted Office // Lecture Hall
27%inclusion3 decks11 decks
25%synergy
Secrets of the Dead
27%inclusion3 decks11 decks
27%synergy
Sheltered by Ghosts
27%inclusion3 decks11 decks
25%synergy
Hallowed Haunting
27%inclusion3 decks11 decks
25%synergy
Sinister Concoction
27%inclusion3 decks11 decks
27%synergy
Corroding Dragonstorm
20%inclusion2 decks10 decks
20%synergy
Chakra Meditation
20%inclusion1 decks5 decks
20%synergy
Darksteel Mutation
18%inclusion2 decks11 decks
12%synergy
Founding the Third Path
18%inclusion2 decks11 decks
18%synergy
Smuggler's Share
18%inclusion2 decks11 decks
16%synergy
Imprisoned in the Moon
18%inclusion2 decks11 decks
12%synergy
Tinybones Joins Up
18%inclusion2 decks11 decks
17%synergy
Copy Enchantment
18%inclusion2 decks11 decks
14%synergy
Shark Typhoon
18%inclusion2 decks11 decks
12%synergy
Timely Ward
18%inclusion2 decks11 decks
13%synergy
Leyline of Anticipation
18%inclusion2 decks11 decks
14%synergy
Funeral Room // Awakening Hall
18%inclusion2 decks11 decks
17%synergy
Monologue Tax
18%inclusion2 decks11 decks
12%synergy
Bottomless Pool // Locker Room
18%inclusion2 decks11 decks
16%synergy
Oubliette
18%inclusion2 decks11 decks
17%synergy
Solitary Confinement
18%inclusion2 decks11 decks
16%synergy
Aura of Silence
18%inclusion2 decks11 decks
15%synergy
Planeswalkers
Ashiok, Dream Render
9.1%inclusion1 decks11 decks
8%synergy
Utility Lands
Otawara, Soaring City
45%inclusion5 decks11 decks
26%synergy
Cephalid Coliseum
36%inclusion4 decks11 decks
33%synergy
Bojuka Bog
27%inclusion3 decks11 decks
0%synergy
Reliquary Tower
27%inclusion3 decks11 decks
-7%synergy
Minamo, School at Water's Edge
18%inclusion2 decks11 decks
14%synergy
Geier Reach Sanitarium
18%inclusion2 decks11 decks
14%synergy
Takenuma, Abandoned Mire
18%inclusion2 decks11 decks
12%synergy
Urborg, Tomb of Yawgmoth
18%inclusion2 decks11 decks
5%synergy
Urza's Saga
9.1%inclusion1 decks11 decks
-3%synergy
Cabal Coffers
9.1%inclusion1 decks11 decks
6%synergy
Deserted Temple
9.1%inclusion1 decks11 decks
9%synergy
Vault of the Archangel
9.1%inclusion1 decks11 decks
3%synergy
Rogue's Passage
9.1%inclusion1 decks11 decks
0%synergy
Mana Artifacts
Sol Ring
100%inclusion11 decks11 decks
10%synergy
Arcane Signet
82%inclusion9 decks11 decks
-6%synergy
Talisman of Progress
45%inclusion5 decks11 decks
2%synergy
Talisman of Hierarchy
45%inclusion5 decks11 decks
2%synergy
Talisman of Dominance
36%inclusion4 decks11 decks
-13%synergy
Fellwar Stone
27%inclusion3 decks11 decks
-6%synergy
Thought Vessel
18%inclusion2 decks11 decks
-6%synergy
Azorius Signet
18%inclusion2 decks11 decks
-14%synergy
Commander's Sphere
9.1%inclusion1 decks11 decks
-10%synergy
Patchwork Banner
9.1%inclusion1 decks11 decks
5%synergy
Dimir Signet
9.1%inclusion1 decks11 decks
-23%synergy
Springleaf Drum
9.1%inclusion1 decks11 decks
7%synergy
Orzhov Signet
9.1%inclusion1 decks11 decks
-25%synergy
Lands
Command Tower
100%inclusion11 decks11 decks
7%synergy
Swamp
100%inclusion11 decks11 decks
9%synergy
Island
100%inclusion11 decks11 decks
7%synergy
Plains
100%inclusion11 decks11 decks
8%synergy
Marsh Flats
100%inclusion11 decks11 decks
64%synergy
Polluted Delta
100%inclusion11 decks11 decks
62%synergy
Flooded Strand
100%inclusion11 decks11 decks
62%synergy
Godless Shrine
91%inclusion10 decks11 decks
40%synergy
Vault of Champions
91%inclusion10 decks11 decks
58%synergy
Hallowed Fountain
91%inclusion10 decks11 decks
41%synergy
Watery Grave
91%inclusion10 decks11 decks
41%synergy
Sea of Clouds
73%inclusion8 decks11 decks
37%synergy
Morphic Pool
73%inclusion8 decks11 decks
38%synergy
Tundra
64%inclusion7 decks11 decks
48%synergy
Undercity Sewers
64%inclusion7 decks11 decks
49%synergy
Shadowy Backstreet
64%inclusion7 decks11 decks
51%synergy
Underground Sea
64%inclusion7 decks11 decks
48%synergy
Scrubland
64%inclusion7 decks11 decks
48%synergy
Meticulous Archive
64%inclusion7 decks11 decks
50%synergy
Exotic Orchard
55%inclusion6 decks11 decks
-4%synergy
Raffine's Tower
55%inclusion6 decks11 decks
14%synergy
Mana Confluence
55%inclusion6 decks11 decks
41%synergy
Gloomlake Verge
55%inclusion6 decks11 decks
43%synergy
Underground River
45%inclusion5 decks11 decks
12%synergy
Adarkar Wastes
45%inclusion5 decks11 decks
14%synergy
Floodfarm Verge
45%inclusion5 decks11 decks
34%synergy
Bloodstained Mire
45%inclusion5 decks11 decks
34%synergy
Prismatic Vista
36%inclusion4 decks11 decks
32%synergy
Misty Rainforest
36%inclusion4 decks11 decks
25%synergy
Bleachbone Verge
36%inclusion4 decks11 decks
28%synergy
Shipwreck Marsh
36%inclusion4 decks11 decks
16%synergy
Isolated Chapel
36%inclusion4 decks11 decks
-3%synergy
Arid Mesa
36%inclusion4 decks11 decks
26%synergy
Shattered Sanctum
36%inclusion4 decks11 decks
20%synergy
Deserted Beach
36%inclusion4 decks11 decks
16%synergy
City of Brass
36%inclusion4 decks11 decks
21%synergy
Glacial Fortress
27%inclusion3 decks11 decks
-13%synergy
Windswept Heath
27%inclusion3 decks11 decks
17%synergy
Caves of Koilos
27%inclusion3 decks11 decks
-8%synergy
Valgavoth's Lair
27%inclusion3 decks11 decks
24%synergy
Verdant Catacombs
27%inclusion3 decks11 decks
17%synergy
Drowned Catacomb
27%inclusion3 decks11 decks
-9%synergy
Sink into Stupor
27%inclusion3 decks11 decks
15%synergy
Scalding Tarn
27%inclusion3 decks11 decks
16%synergy
Fetid Heath
18%inclusion2 decks11 decks
6%synergy
Reflecting Pool
18%inclusion2 decks11 decks
10%synergy
Arcane Sanctum
18%inclusion2 decks11 decks
-36%synergy
Sunken Hollow
18%inclusion2 decks11 decks
-21%synergy
Sunken Ruins
18%inclusion2 decks11 decks
10%synergy
Mystic Gate
18%inclusion2 decks11 decks
13%synergy
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