The Master of Keys (Commander) - Budget Upgraded Enchantress

Background image for What if Thassa's Oracle Were Banned?
Harvey McGuinness
Sep 23, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Noggle the Mind
17%inclusion1 decks6 decks
16%synergy
High Synergy Cards
Entity Tracker
100%inclusion12 decks12 decks
94%synergy
Inquisitive Glimmer
92%inclusion11 decks12 decks
84%synergy
Cemetery Tampering
67%inclusion8 decks12 decks
66%synergy
Seal of Cleansing
67%inclusion8 decks12 decks
65%synergy
Ghostly Dancers
67%inclusion8 decks12 decks
64%synergy
Ripples of Undeath
67%inclusion8 decks12 decks
64%synergy
Ethereal Armor
67%inclusion8 decks12 decks
62%synergy
Fear of Sleep Paralysis
67%inclusion8 decks12 decks
61%synergy
Starfield Mystic
67%inclusion8 decks12 decks
60%synergy
Mesa Enchantress
67%inclusion8 decks12 decks
58%synergy
Top Cards
Scrabbling Skullcrab
58%inclusion7 decks12 decks
57%synergy
Gravebreaker Lamia
58%inclusion7 decks12 decks
57%synergy
Demon of Fate's Design
58%inclusion7 decks12 decks
53%synergy
Victor, Valgavoth's Seneschal
58%inclusion7 decks12 decks
56%synergy
Sphere of Safety
58%inclusion7 decks12 decks
49%synergy
Restricted Office // Lecture Hall
58%inclusion7 decks12 decks
56%synergy
Extinguish All Hope
58%inclusion7 decks12 decks
57%synergy
Secret Arcade // Dusty Parlor
58%inclusion7 decks12 decks
53%synergy
Defiled Crypt // Cadaver Lab
58%inclusion7 decks12 decks
58%synergy
Grasp of Fate
50%inclusion6 decks12 decks
44%synergy
Game Changers
Gifts Ungiven
8.3%inclusion1 decks12 decks
6%synergy
Creatures
Fear of Impostors
50%inclusion6 decks12 decks
49%synergy
Doomwake Giant
50%inclusion6 decks12 decks
44%synergy
Archon of Sun's Grace
42%inclusion5 decks12 decks
37%synergy
Silent Hallcreeper
42%inclusion5 decks12 decks
37%synergy
Aminatou, Veil Piercer
42%inclusion5 decks12 decks
40%synergy
Zur, Eternal Schemer
42%inclusion5 decks12 decks
38%synergy
Moon-Blessed Cleric
33%inclusion4 decks12 decks
29%synergy
Deranged Assistant
33%inclusion4 decks12 decks
33%synergy
Ondu Spiritdancer
33%inclusion4 decks12 decks
27%synergy
Sage of Mysteries
25%inclusion3 decks12 decks
25%synergy
Soaring Lightbringer
25%inclusion3 decks12 decks
20%synergy
Skullsnap Nuisance
25%inclusion3 decks12 decks
25%synergy
Athreos, Shroud-Veiled
25%inclusion3 decks12 decks
21%synergy
Gremlin Tamer
25%inclusion3 decks12 decks
24%synergy
Balemurk Leech
25%inclusion3 decks12 decks
24%synergy
Ancient Cellarspawn
25%inclusion3 decks12 decks
22%synergy
Grim Guardian
25%inclusion3 decks12 decks
22%synergy
Alseid of Life's Bounty
25%inclusion3 decks12 decks
24%synergy
Zur the Enchanter
25%inclusion3 decks12 decks
20%synergy
Fear of Infinity
17%inclusion2 decks12 decks
16%synergy
Overlord of the Floodpits
17%inclusion2 decks12 decks
13%synergy
Ornithopter of Paradise
17%inclusion2 decks12 decks
10%synergy
Fear of Surveillance
17%inclusion2 decks12 decks
16%synergy
Kiora, the Rising Tide
17%inclusion2 decks12 decks
16%synergy
Overlord of the Balemurk
17%inclusion2 decks12 decks
15%synergy
Overlord of the Mistmoors
17%inclusion2 decks12 decks
15%synergy
Spirited Companion
17%inclusion2 decks12 decks
15%synergy
Enduring Curiosity
17%inclusion2 decks12 decks
9%synergy
Archetype of Imagination
17%inclusion2 decks12 decks
12%synergy
Creeping Peeper
17%inclusion2 decks12 decks
16%synergy
Nashi, Searcher in the Dark
17%inclusion2 decks12 decks
16%synergy
Unwilling Vessel
17%inclusion2 decks12 decks
17%synergy
Ghostly Keybearer
17%inclusion2 decks12 decks
17%synergy
Millikin
17%inclusion2 decks12 decks
16%synergy
Symbiote Spider-Man
10%inclusion1 decks10 decks
10%synergy
Fang, Fearless l'Cie
9.1%inclusion1 decks11 decks
9%synergy
Emet-Selch of the Third Seat
9.1%inclusion1 decks11 decks
0%synergy
Summon: Ixion
9.1%inclusion1 decks11 decks
9%synergy
Starnheim Courser
8.3%inclusion1 decks12 decks
4%synergy
Optimistic Scavenger
8.3%inclusion1 decks12 decks
8%synergy
Fear of Isolation
8.3%inclusion1 decks12 decks
8%synergy
Lotho, Corrupt Shirriff
8.3%inclusion1 decks12 decks
-9%synergy
Claim Jumper
8.3%inclusion1 decks12 decks
7%synergy
Rootwater Matriarch
8.3%inclusion1 decks12 decks
8%synergy
Skeleton Crew
8.3%inclusion1 decks12 decks
8%synergy
Silent Sentinel
8.3%inclusion1 decks12 decks
8%synergy
Fear of Failed Tests
8.3%inclusion1 decks12 decks
8%synergy
Uchbenbak, the Great Mistake
8.3%inclusion1 decks12 decks
8%synergy
Fear of Lost Teeth
8.3%inclusion1 decks12 decks
8%synergy
Emet-Selch, Unsundered
8.3%inclusion1 decks12 decks
7%synergy
Instants
Swords to Plowshares
50%inclusion6 decks12 decks
-18%synergy
Frantic Search
33%inclusion4 decks12 decks
16%synergy
Thirst for Meaning
33%inclusion4 decks12 decks
32%synergy
Counterspell
33%inclusion4 decks12 decks
-8%synergy
Path to Exile
33%inclusion4 decks12 decks
-9%synergy
Negate
25%inclusion3 decks12 decks
9%synergy
Fact or Fiction
17%inclusion2 decks12 decks
13%synergy
Void Rend
17%inclusion2 decks12 decks
-18%synergy
Disenchant
17%inclusion2 decks12 decks
15%synergy
Arcane Denial
17%inclusion2 decks12 decks
-4%synergy
Get Out
17%inclusion2 decks12 decks
16%synergy
Otherworldly Gaze
17%inclusion2 decks12 decks
14%synergy
Long River's Pull
17%inclusion2 decks12 decks
16%synergy
Hagra Mauling
8.3%inclusion1 decks12 decks
7%synergy
Muddle the Mixture
8.3%inclusion1 decks12 decks
4%synergy
Dovin's Veto
8.3%inclusion1 decks12 decks
-17%synergy
An Offer You Can't Refuse
8.3%inclusion1 decks12 decks
-19%synergy
Feeling of Dread
8.3%inclusion1 decks12 decks
8%synergy
Orzhov Charm
8.3%inclusion1 decks12 decks
8%synergy
Refute
8.3%inclusion1 decks12 decks
6%synergy
Run Away Together
8.3%inclusion1 decks12 decks
8%synergy
Illusionist's Gambit
8.3%inclusion1 decks12 decks
8%synergy
Dark Ritual
8.3%inclusion1 decks12 decks
-11%synergy
Sublime Epiphany
8.3%inclusion1 decks12 decks
6%synergy
Aetherize
8.3%inclusion1 decks12 decks
4%synergy
Cancel
8.3%inclusion1 decks12 decks
7%synergy
Slip Out the Back
8.3%inclusion1 decks12 decks
7%synergy
Perplex
8.3%inclusion1 decks12 decks
7%synergy
Unwanted Remake
8.3%inclusion1 decks12 decks
8%synergy
Jwari Disruption
8.3%inclusion1 decks12 decks
8%synergy
Suspended Sentence
8.3%inclusion1 decks12 decks
8%synergy
Stroke of Midnight
8.3%inclusion1 decks12 decks
1%synergy
Dawn Charm
8.3%inclusion1 decks12 decks
8%synergy
Deny Existence
8.3%inclusion1 decks12 decks
8%synergy
Terror
8.3%inclusion1 decks12 decks
8%synergy
Vanish into Eternity
8.3%inclusion1 decks12 decks
8%synergy
Shelter
8.3%inclusion1 decks12 decks
8%synergy
Utter End
8.3%inclusion1 decks12 decks
2%synergy
Inkshield
8.3%inclusion1 decks12 decks
-1%synergy
Azorius Charm
8.3%inclusion1 decks12 decks
8%synergy
Think Twice
8.3%inclusion1 decks12 decks
8%synergy
Sorceries
Sevinne's Reclamation
50%inclusion6 decks12 decks
41%synergy
Dance of the Manse
33%inclusion4 decks12 decks
30%synergy
Singularity Rupture
27%inclusion3 decks11 decks
25%synergy
Resurgent Belief
25%inclusion3 decks12 decks
23%synergy
Time Wipe
25%inclusion3 decks12 decks
18%synergy
Buried Alive
25%inclusion3 decks12 decks
21%synergy
Redress Fate
25%inclusion3 decks12 decks
19%synergy
Come Back Wrong
17%inclusion2 decks12 decks
16%synergy
Glimpse the Unthinkable
17%inclusion2 decks12 decks
16%synergy
Avatar's Wrath
13%inclusion1 decks8 decks
10%synergy
Space-Time Anomaly
9.1%inclusion1 decks11 decks
7%synergy
Commune with Evil
8.3%inclusion1 decks12 decks
8%synergy
Strategic Planning
8.3%inclusion1 decks12 decks
8%synergy
Lively Dirge
8.3%inclusion1 decks12 decks
7%synergy
Ondu Inversion
8.3%inclusion1 decks12 decks
7%synergy
Jailbreak
8.3%inclusion1 decks12 decks
8%synergy
Open the Vaults
8.3%inclusion1 decks12 decks
7%synergy
Victimize
8.3%inclusion1 decks12 decks
0%synergy
Abuelo's Awakening
8.3%inclusion1 decks12 decks
8%synergy
Split Up
8.3%inclusion1 decks12 decks
7%synergy
Terminus
8.3%inclusion1 decks12 decks
4%synergy
Cut Your Losses
8.3%inclusion1 decks12 decks
8%synergy
Commit // Memory
8.3%inclusion1 decks12 decks
8%synergy
Cleansing Meditation
8.3%inclusion1 decks12 decks
8%synergy
Night's Whisper
8.3%inclusion1 decks12 decks
6%synergy
Revival // Revenge
8.3%inclusion1 decks12 decks
8%synergy
Memory Sluice
8.3%inclusion1 decks12 decks
8%synergy
Vanquish the Horde
8.3%inclusion1 decks12 decks
6%synergy
Diresight
8.3%inclusion1 decks12 decks
8%synergy
Mnemonic Betrayal
8.3%inclusion1 decks12 decks
5%synergy
Silent Departure
8.3%inclusion1 decks12 decks
8%synergy
By Invitation Only
8.3%inclusion1 decks12 decks
8%synergy
Emerge from the Cocoon
8.3%inclusion1 decks12 decks
8%synergy
Utility Artifacts
Keys to the House
42%inclusion5 decks12 decks
41%synergy
Cloud Key
25%inclusion3 decks12 decks
22%synergy
Wayfarer's Bauble
25%inclusion3 decks12 decks
17%synergy
Matzalantli, the Great Door
17%inclusion2 decks12 decks
15%synergy
The Everflowing Well
17%inclusion2 decks12 decks
16%synergy
Codex Shredder
17%inclusion2 decks12 decks
16%synergy
The Fire Nation Drill
13%inclusion1 decks8 decks
12%synergy
Perpetual Timepiece
8.3%inclusion1 decks12 decks
8%synergy
Skeleton Key
8.3%inclusion1 decks12 decks
8%synergy
Spy Kit
8.3%inclusion1 decks12 decks
8%synergy
Whip of Erebos
8.3%inclusion1 decks12 decks
6%synergy
Mask of the Schemer
8.3%inclusion1 decks12 decks
7%synergy
Mystery Key
8.3%inclusion1 decks12 decks
8%synergy
Mysterious Tome
8.3%inclusion1 decks12 decks
8%synergy
Heirloom Mirror
8.3%inclusion1 decks12 decks
8%synergy
Darksteel Plate
8.3%inclusion1 decks12 decks
7%synergy
Swiftfoot Boots
8.3%inclusion1 decks12 decks
-16%synergy
Enchantments
Sigil of the Empty Throne
50%inclusion6 decks12 decks
44%synergy
Central Elevator // Promising Stairs
50%inclusion6 decks12 decks
49%synergy
The Tale of Tamiyo
50%inclusion6 decks12 decks
50%synergy
Bottomless Pool // Locker Room
50%inclusion6 decks12 decks
48%synergy
Cramped Vents // Access Maze
42%inclusion5 decks12 decks
39%synergy
Cacophony Unleashed
42%inclusion5 decks12 decks
40%synergy
Imprisoned in the Moon
42%inclusion5 decks12 decks
35%synergy
Surgical Suite // Hospital Room
42%inclusion5 decks12 decks
41%synergy
Mirrormade
42%inclusion5 decks12 decks
32%synergy
Meat Locker // Drowned Diner
42%inclusion5 decks12 decks
41%synergy
Derelict Attic // Widow's Walk
42%inclusion5 decks12 decks
41%synergy
All That Glitters
42%inclusion5 decks12 decks
33%synergy
Dazzling Theater // Prop Room
33%inclusion4 decks12 decks
32%synergy
One with the Multiverse
25%inclusion3 decks12 decks
20%synergy
Underwater Tunnel // Slimy Aquarium
25%inclusion3 decks12 decks
25%synergy
Extravagant Replication
25%inclusion3 decks12 decks
20%synergy
Copy Enchantment
25%inclusion3 decks12 decks
20%synergy
Timely Ward
25%inclusion3 decks12 decks
20%synergy
Amphibian Downpour
25%inclusion3 decks12 decks
20%synergy
Monologue Tax
25%inclusion3 decks12 decks
19%synergy
Secrets of the Dead
25%inclusion3 decks12 decks
25%synergy
Animate Dead
25%inclusion3 decks12 decks
15%synergy
Dress Down
25%inclusion3 decks12 decks
23%synergy
Polluted Cistern // Dim Oubliette
25%inclusion3 decks12 decks
24%synergy
Stillness in Motion
25%inclusion3 decks12 decks
25%synergy
Mirror Room // Fractured Realm
25%inclusion3 decks12 decks
23%synergy
Seal of Removal
25%inclusion3 decks12 decks
24%synergy
Search for Azcanta
25%inclusion3 decks12 decks
24%synergy
Cast Out
25%inclusion3 decks12 decks
22%synergy
Trapped in the Screen
17%inclusion2 decks12 decks
16%synergy
The Eldest Reborn
17%inclusion2 decks12 decks
14%synergy
Grievous Wound
17%inclusion2 decks12 decks
16%synergy
Touch the Spirit Realm
17%inclusion2 decks12 decks
14%synergy
Estrid's Invocation
17%inclusion2 decks12 decks
12%synergy
Shark Typhoon
17%inclusion2 decks12 decks
11%synergy
Funeral Room // Awakening Hall
17%inclusion2 decks12 decks
16%synergy
Witness Protection
17%inclusion2 decks12 decks
15%synergy
Curator's Ward
17%inclusion2 decks12 decks
14%synergy
The Night of the Doctor
17%inclusion2 decks12 decks
17%synergy
Unholy Annex // Ritual Chamber
17%inclusion2 decks12 decks
16%synergy
Oblivion Ring
17%inclusion2 decks12 decks
16%synergy
Nowhere to Run
17%inclusion2 decks12 decks
15%synergy
Phyrexian Arena
17%inclusion2 decks12 decks
3%synergy
Standstill
17%inclusion2 decks12 decks
16%synergy
Parker Luck
11%inclusion1 decks9 decks
11%synergy
Aang's Iceberg
10%inclusion1 decks10 decks
10%synergy
Chorale of the Void
9.1%inclusion1 decks11 decks
9%synergy
Chamber of Manipulation
8.3%inclusion1 decks12 decks
8%synergy
Endless Evil
8.3%inclusion1 decks12 decks
8%synergy
Momentum Breaker
8.3%inclusion1 decks12 decks
8%synergy
Planeswalkers
Ashiok, Dream Render
8.3%inclusion1 decks12 decks
7%synergy
Utility Lands
Bojuka Bog
42%inclusion5 decks12 decks
15%synergy
Hall of Heliod's Generosity
42%inclusion5 decks12 decks
29%synergy
Pit of Offerings
17%inclusion2 decks12 decks
16%synergy
Halimar Depths
17%inclusion2 decks12 decks
12%synergy
Dakmor Salvage
17%inclusion2 decks12 decks
17%synergy
Hostile Hostel
8.3%inclusion1 decks12 decks
8%synergy
Creeping Tar Pit
8.3%inclusion1 decks12 decks
7%synergy
Roadside Reliquary
8.3%inclusion1 decks12 decks
8%synergy
Arid Archway
8.3%inclusion1 decks12 decks
8%synergy
Nephalia Drownyard
8.3%inclusion1 decks12 decks
8%synergy
Duskmantle, House of Shadow
8.3%inclusion1 decks12 decks
8%synergy
Emergence Zone
8.3%inclusion1 decks12 decks
6%synergy
Skyline Cascade
8.3%inclusion1 decks12 decks
8%synergy
Command Beacon
8.3%inclusion1 decks12 decks
6%synergy
Reliquary Tower
8.3%inclusion1 decks12 decks
-26%synergy
Drownyard Temple
8.3%inclusion1 decks12 decks
8%synergy
Cephalid Coliseum
8.3%inclusion1 decks12 decks
5%synergy
Castle Vantress
8.3%inclusion1 decks12 decks
7%synergy
Temple of the False God
8.3%inclusion1 decks12 decks
1%synergy
Guildless Commons
8.3%inclusion1 decks12 decks
8%synergy
Rogue's Passage
8.3%inclusion1 decks12 decks
-1%synergy
Mana Artifacts
Arcane Signet
83%inclusion10 decks12 decks
-5%synergy
Sol Ring
83%inclusion10 decks12 decks
-7%synergy
Azorius Signet
58%inclusion7 decks12 decks
27%synergy
Orzhov Signet
50%inclusion6 decks12 decks
17%synergy
Mind Stone
42%inclusion5 decks12 decks
29%synergy
Talisman of Progress
33%inclusion4 decks12 decks
-10%synergy
Fellwar Stone
33%inclusion4 decks12 decks
0%synergy
Talisman of Hierarchy
33%inclusion4 decks12 decks
-10%synergy
Talisman of Dominance
25%inclusion3 decks12 decks
-25%synergy
Bender's Waterskin
20%inclusion2 decks10 decks
15%synergy
Commander's Sphere
17%inclusion2 decks12 decks
-2%synergy
Sky Diamond
17%inclusion2 decks12 decks
15%synergy
Chromatic Lantern
17%inclusion2 decks12 decks
4%synergy
Dimir Signet
17%inclusion2 decks12 decks
-15%synergy
Marble Diamond
17%inclusion2 decks12 decks
15%synergy
Charcoal Diamond
8.3%inclusion1 decks12 decks
7%synergy
Lands
Swamp
100%inclusion12 decks12 decks
9%synergy
Island
100%inclusion12 decks12 decks
7%synergy
Plains
100%inclusion12 decks12 decks
8%synergy
Command Tower
92%inclusion11 decks12 decks
-1%synergy
Arcane Sanctum
67%inclusion8 decks12 decks
12%synergy
Contaminated Landscape
58%inclusion7 decks12 decks
44%synergy
Caves of Koilos
50%inclusion6 decks12 decks
15%synergy
Evolving Wilds
50%inclusion6 decks12 decks
25%synergy
Terramorphic Expanse
42%inclusion5 decks12 decks
25%synergy
Exotic Orchard
42%inclusion5 decks12 decks
-17%synergy
Prairie Stream
42%inclusion5 decks12 decks
1%synergy
Temple of Enlightenment
42%inclusion5 decks12 decks
25%synergy
Temple of Silence
42%inclusion5 decks12 decks
22%synergy
Glacial Fortress
33%inclusion4 decks12 decks
-8%synergy
Abandoned Campground
33%inclusion4 decks12 decks
33%synergy
Ash Barrens
33%inclusion4 decks12 decks
23%synergy
Valgavoth's Lair
33%inclusion4 decks12 decks
31%synergy
Isolated Chapel
33%inclusion4 decks12 decks
-7%synergy
Underground River
33%inclusion4 decks12 decks
0%synergy
Sunken Hollow
33%inclusion4 decks12 decks
-6%synergy
Obscura Storefront
33%inclusion4 decks12 decks
23%synergy
Azorius Chancery
25%inclusion3 decks12 decks
11%synergy
Temple of Deceit
25%inclusion3 decks12 decks
7%synergy
Dimir Aqueduct
25%inclusion3 decks12 decks
11%synergy
Fetid Heath
25%inclusion3 decks12 decks
13%synergy
Darkwater Catacombs
25%inclusion3 decks12 decks
10%synergy
Skycloud Expanse
25%inclusion3 decks12 decks
10%synergy
Orzhov Basilica
25%inclusion3 decks12 decks
9%synergy
Adarkar Wastes
25%inclusion3 decks12 decks
-6%synergy
Escape Tunnel
17%inclusion2 decks12 decks
16%synergy
Tainted Isle
17%inclusion2 decks12 decks
10%synergy
Idyllic Beachfront
17%inclusion2 decks12 decks
13%synergy
Tainted Field
17%inclusion2 decks12 decks
10%synergy
Port Town
17%inclusion2 decks12 decks
0%synergy
Drowned Catacomb
17%inclusion2 decks12 decks
-20%synergy
Promising Vein
17%inclusion2 decks12 decks
16%synergy
Sunlit Marsh
17%inclusion2 decks12 decks
12%synergy
Path of Ancestry
17%inclusion2 decks12 decks
-11%synergy
Scoured Barrens
17%inclusion2 decks12 decks
10%synergy
North Pole Gates
13%inclusion1 decks8 decks
12%synergy
Vibrant Cityscape
11%inclusion1 decks9 decks
10%synergy
University Campus
11%inclusion1 decks9 decks
11%synergy
Sinister Hideout
11%inclusion1 decks9 decks
11%synergy
Treno, Dark City
9.1%inclusion1 decks11 decks
8%synergy
Crossroads Village
9.1%inclusion1 decks11 decks
8%synergy
Hagra Mauling
8.3%inclusion1 decks12 decks
7%synergy
Ondu Inversion
8.3%inclusion1 decks12 decks
7%synergy
Myriad Landscape
8.3%inclusion1 decks12 decks
0%synergy
Concealed Courtyard
8.3%inclusion1 decks12 decks
4%synergy
Fetid Pools
8.3%inclusion1 decks12 decks
2%synergy