The Master of Keys (Commander) - Core 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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Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
Back to Top
Noggle the Mind
25%inclusion2 decks8 decks
25%synergy
High Synergy Cards
Inquisitive Glimmer
83%inclusion43 decks52 decks
75%synergy
Mesa Enchantress
77%inclusion40 decks52 decks
68%synergy
Starfield Mystic
73%inclusion38 decks52 decks
66%synergy
Entity Tracker
71%inclusion37 decks52 decks
65%synergy
Scrabbling Skullcrab
58%inclusion30 decks52 decks
57%synergy
Doomwake Giant
62%inclusion32 decks52 decks
56%synergy
Ripples of Undeath
58%inclusion30 decks52 decks
55%synergy
Demon of Fate's Design
60%inclusion31 decks52 decks
54%synergy
Seal of Cleansing
52%inclusion27 decks52 decks
50%synergy
Gravebreaker Lamia
50%inclusion26 decks52 decks
49%synergy
Top Cards
Victor, Valgavoth's Seneschal
50%inclusion26 decks52 decks
48%synergy
Dress Down
50%inclusion26 decks52 decks
48%synergy
Fear of Sleep Paralysis
48%inclusion25 decks52 decks
43%synergy
Sigil of the Empty Throne
46%inclusion24 decks52 decks
40%synergy
Fear of Impostors
44%inclusion23 decks52 decks
43%synergy
Cemetery Tampering
44%inclusion23 decks52 decks
43%synergy
Secret Arcade // Dusty Parlor
44%inclusion23 decks52 decks
39%synergy
Ondu Spiritdancer
44%inclusion23 decks52 decks
38%synergy
Cacophony Unleashed
42%inclusion22 decks52 decks
41%synergy
Overlord of the Floodpits
42%inclusion22 decks52 decks
39%synergy
Creatures
Heliod, the Radiant Dawn
37%inclusion19 decks52 decks
33%synergy
Overlord of the Balemurk
35%inclusion18 decks52 decks
33%synergy
Zur, Eternal Schemer
35%inclusion18 decks52 decks
31%synergy
Soaring Lightbringer
33%inclusion17 decks52 decks
28%synergy
Silent Hallcreeper
33%inclusion17 decks52 decks
28%synergy
Aminatou, Veil Piercer
31%inclusion16 decks52 decks
29%synergy
Sage of Mysteries
29%inclusion15 decks52 decks
29%synergy
Athreos, Shroud-Veiled
29%inclusion15 decks52 decks
24%synergy
Moon-Blessed Cleric
27%inclusion14 decks52 decks
22%synergy
Ghostly Dancers
27%inclusion14 decks52 decks
24%synergy
Enduring Curiosity
25%inclusion13 decks52 decks
17%synergy
Grim Guardian
25%inclusion13 decks52 decks
22%synergy
Alseid of Life's Bounty
25%inclusion13 decks52 decks
24%synergy
Mindwrack Harpy
25%inclusion13 decks52 decks
25%synergy
Summon: Yojimbo
25%inclusion10 decks40 decks
24%synergy
Archon of Sun's Grace
23%inclusion12 decks52 decks
18%synergy
Overlord of the Mistmoors
23%inclusion12 decks52 decks
21%synergy
Skullsnap Nuisance
23%inclusion12 decks52 decks
23%synergy
Archetype of Imagination
19%inclusion10 decks52 decks
15%synergy
Nashi, Searcher in the Dark
19%inclusion10 decks52 decks
19%synergy
Spirited Companion
17%inclusion9 decks52 decks
15%synergy
Zur the Enchanter
17%inclusion9 decks52 decks
12%synergy
Ashiok's Reaper
15%inclusion8 decks52 decks
15%synergy
Millikin
15%inclusion8 decks52 decks
15%synergy
Balemurk Leech
13%inclusion7 decks52 decks
13%synergy
Creeping Peeper
13%inclusion7 decks52 decks
13%synergy
Ancient Cellarspawn
13%inclusion7 decks52 decks
10%synergy
Summon: Primal Odin
13%inclusion5 decks40 decks
8%synergy
Fear of Surveillance
12%inclusion6 decks52 decks
11%synergy
Appendage Amalgam
12%inclusion6 decks52 decks
11%synergy
Gremlin Tamer
12%inclusion6 decks52 decks
10%synergy
Nightmare Shepherd
12%inclusion6 decks52 decks
9%synergy
Auramancer
12%inclusion6 decks52 decks
9%synergy
Solemn Simulacrum
7.7%inclusion4 decks52 decks
-7%synergy
Starnheim Courser
7.7%inclusion4 decks52 decks
4%synergy
Fear of Infinity
7.7%inclusion4 decks52 decks
7%synergy
Witch Enchanter
7.7%inclusion4 decks52 decks
1%synergy
Fear of the Dark
7.7%inclusion4 decks52 decks
7%synergy
Arvinox, the Mind Flail
7.7%inclusion4 decks52 decks
6%synergy
Valgavoth, Terror Eater
7.7%inclusion4 decks52 decks
4%synergy
Callaphe, Beloved of the Sea
7.7%inclusion4 decks52 decks
6%synergy
Summon: Anima
7.5%inclusion3 decks40 decks
7%synergy
Summon: Knights of Round
7.5%inclusion3 decks40 decks
5%synergy
Metamorphosis Fanatic
5.8%inclusion3 decks52 decks
1%synergy
Stenn, Paranoid Partisan
5.8%inclusion3 decks52 decks
4%synergy
Phenax, God of Deception
5.8%inclusion3 decks52 decks
5%synergy
The Mindskinner
5.8%inclusion3 decks52 decks
5%synergy
Scholar of New Horizons
5.8%inclusion3 decks52 decks
5%synergy
Agent of Erebos
5.8%inclusion3 decks52 decks
5%synergy
Boggart Trawler
5.8%inclusion3 decks52 decks
3%synergy
Instants
Swords to Plowshares
40%inclusion21 decks52 decks
-28%synergy
Thirst for Meaning
33%inclusion17 decks52 decks
31%synergy
Arcane Denial
29%inclusion15 decks52 decks
9%synergy
Otherworldly Gaze
27%inclusion14 decks52 decks
25%synergy
Path to Exile
23%inclusion12 decks52 decks
-19%synergy
Frantic Search
17%inclusion9 decks52 decks
0%synergy
Counterspell
17%inclusion9 decks52 decks
-24%synergy
Inkshield
17%inclusion9 decks52 decks
8%synergy
Utter End
15%inclusion8 decks52 decks
9%synergy
Brainstorm
13%inclusion7 decks52 decks
-4%synergy
Fell the Profane
12%inclusion6 decks52 decks
3%synergy
Dovin's Veto
10%inclusion5 decks52 decks
-16%synergy
An Offer You Can't Refuse
10%inclusion5 decks52 decks
-17%synergy
Return to Dust
10%inclusion5 decks52 decks
6%synergy
Negate
10%inclusion5 decks52 decks
-7%synergy
Void Rend
10%inclusion5 decks52 decks
-24%synergy
Sink into Stupor
10%inclusion5 decks52 decks
-3%synergy
Refute
6.1%inclusion3 decks49 decks
3%synergy
Entomb
5.8%inclusion3 decks52 decks
-1%synergy
Dawn's Truce
5.8%inclusion3 decks52 decks
1%synergy
Fact or Fiction
5.8%inclusion3 decks52 decks
2%synergy
Consider
5.8%inclusion3 decks52 decks
3%synergy
Dark Ritual
5.8%inclusion3 decks52 decks
-14%synergy
Unwanted Remake
5.8%inclusion3 decks52 decks
5%synergy
Generous Gift
5.8%inclusion3 decks52 decks
-9%synergy
Withering Torment
5.8%inclusion3 decks52 decks
4%synergy
Swallowed by Leviathan
5.6%inclusion2 decks36 decks
5%synergy
Dreams of Laguna
5.0%inclusion2 decks40 decks
5%synergy
Sorceries
Sevinne's Reclamation
40%inclusion21 decks52 decks
31%synergy
Redress Fate
40%inclusion21 decks52 decks
34%synergy
Extinguish All Hope
27%inclusion14 decks52 decks
25%synergy
Dance of the Manse
27%inclusion14 decks52 decks
23%synergy
Time Wipe
21%inclusion11 decks52 decks
14%synergy
Space-Time Anomaly
19%inclusion6 decks32 decks
17%synergy
Resurgent Belief
17%inclusion9 decks52 decks
15%synergy
Singularity Rupture
16%inclusion5 decks32 decks
13%synergy
Damn
12%inclusion6 decks52 decks
-9%synergy
Ponder
10%inclusion5 decks52 decks
0%synergy
Windfall
10%inclusion5 decks52 decks
-4%synergy
Glimpse the Unthinkable
10%inclusion5 decks52 decks
9%synergy
Demonic Counsel
10%inclusion5 decks52 decks
9%synergy
Reanimate
10%inclusion5 decks52 decks
-6%synergy
Replenish
7.7%inclusion4 decks52 decks
6%synergy
Brilliant Restoration
7.7%inclusion4 decks52 decks
6%synergy
Final Vengeance
7.7%inclusion4 decks52 decks
8%synergy
Commune with Evil
5.8%inclusion3 decks52 decks
6%synergy
Open the Vaults
5.8%inclusion3 decks52 decks
4%synergy
Cut Your Losses
5.8%inclusion3 decks52 decks
5%synergy
Idyllic Tutor
5.8%inclusion3 decks52 decks
2%synergy
Feed the Swarm
5.8%inclusion3 decks52 decks
3%synergy
Treasure Cruise
5.8%inclusion3 decks52 decks
3%synergy
Read the Bones
5.8%inclusion3 decks52 decks
1%synergy
Utility Artifacts
Whip of Erebos
10%inclusion5 decks52 decks
7%synergy
Cloud Key
7.7%inclusion4 decks52 decks
4%synergy
Keys to the House
7.7%inclusion4 decks52 decks
7%synergy
Mesmeric Orb
5.8%inclusion3 decks52 decks
5%synergy
Wayfarer's Bauble
5.8%inclusion3 decks52 decks
-2%synergy
Bident of Thassa
5.8%inclusion3 decks52 decks
-3%synergy
Archaeomancer's Map
5.8%inclusion3 decks52 decks
1%synergy
Enchantments
Mirrormade
42%inclusion22 decks52 decks
33%synergy
Sphere of Safety
38%inclusion20 decks52 decks
29%synergy
Animate Dead
38%inclusion20 decks52 decks
29%synergy
Defiled Crypt // Cadaver Lab
38%inclusion20 decks52 decks
38%synergy
Grasp of Fate
37%inclusion19 decks52 decks
30%synergy
Amphibian Downpour
37%inclusion19 decks52 decks
32%synergy
Estrid's Invocation
35%inclusion18 decks52 decks
30%synergy
Propaganda
35%inclusion18 decks52 decks
8%synergy
Monologue Tax
33%inclusion17 decks52 decks
26%synergy
Necromancy
31%inclusion16 decks52 decks
26%synergy
Starfield of Nyx
31%inclusion16 decks52 decks
27%synergy
Ghostly Prison
31%inclusion16 decks52 decks
9%synergy
Shark Typhoon
29%inclusion15 decks52 decks
23%synergy
The Tale of Tamiyo
29%inclusion15 decks52 decks
28%synergy
Polluted Cistern // Dim Oubliette
29%inclusion15 decks52 decks
28%synergy
Stillness in Motion
27%inclusion12 decks44 decks
27%synergy
The Eldest Reborn
27%inclusion14 decks52 decks
24%synergy
Mystic Remora
27%inclusion14 decks52 decks
6%synergy
Ethereal Armor
27%inclusion14 decks52 decks
22%synergy
Mirror Room // Fractured Realm
27%inclusion14 decks52 decks
25%synergy
Seal of Removal
27%inclusion14 decks52 decks
26%synergy
Timely Ward
25%inclusion13 decks52 decks
20%synergy
Cramped Vents // Access Maze
23%inclusion12 decks52 decks
21%synergy
Derelict Attic // Widow's Walk
23%inclusion12 decks52 decks
23%synergy
Restricted Office // Lecture Hall
23%inclusion12 decks52 decks
21%synergy
Bottomless Pool // Locker Room
23%inclusion12 decks52 decks
21%synergy
Sheltered by Ghosts
23%inclusion12 decks52 decks
21%synergy
Hallowed Haunting
23%inclusion12 decks52 decks
21%synergy
Secrets of the Dead
21%inclusion11 decks52 decks
21%synergy
Teval's Judgment
20%inclusion9 decks44 decks
20%synergy
Copy Enchantment
19%inclusion10 decks52 decks
15%synergy
Central Elevator // Promising Stairs
19%inclusion10 decks52 decks
19%synergy
All That Glitters
19%inclusion10 decks52 decks
10%synergy
Nowhere to Run
19%inclusion10 decks52 decks
18%synergy
Unable to Scream
17%inclusion9 decks52 decks
16%synergy
Seal of Doom
17%inclusion9 decks52 decks
17%synergy
Spirit-Sister's Call
17%inclusion9 decks52 decks
16%synergy
Darksteel Mutation
15%inclusion8 decks52 decks
9%synergy
Imprisoned in the Moon
15%inclusion8 decks52 decks
9%synergy
Soul Snare
15%inclusion8 decks52 decks
15%synergy
Blind Obedience
15%inclusion8 decks52 decks
3%synergy
Cast Out
15%inclusion8 decks52 decks
12%synergy
Extravagant Replication
13%inclusion7 decks52 decks
8%synergy
Out of the Tombs
13%inclusion7 decks52 decks
13%synergy
Touch the Spirit Realm
13%inclusion7 decks52 decks
11%synergy
Surgical Suite // Hospital Room
13%inclusion7 decks52 decks
13%synergy
The Restoration of Eiganjo
13%inclusion7 decks52 decks
13%synergy
Static Prison
13%inclusion7 decks52 decks
13%synergy
Phyrexian Arena
13%inclusion7 decks52 decks
-1%synergy
The Meathook Massacre
12%inclusion6 decks52 decks
8%synergy
Battles
Invasion of Theros
10%inclusion5 decks52 decks
8%synergy
Utility Lands
Hall of Heliod's Generosity
58%inclusion30 decks52 decks
45%synergy
Bojuka Bog
52%inclusion27 decks52 decks
25%synergy
Halimar Depths
17%inclusion9 decks52 decks
13%synergy
Takenuma, Abandoned Mire
15%inclusion8 decks52 decks
9%synergy
Cephalid Coliseum
15%inclusion8 decks52 decks
12%synergy
Otawara, Soaring City
13%inclusion7 decks52 decks
-6%synergy
Reliquary Tower
12%inclusion6 decks52 decks
-22%synergy
Urborg, Tomb of Yawgmoth
10%inclusion5 decks52 decks
-4%synergy
Nephalia Drownyard
7.7%inclusion4 decks52 decks
7%synergy
Drownyard Temple
5.8%inclusion3 decks52 decks
6%synergy
Mana Artifacts
Arcane Signet
81%inclusion42 decks52 decks
-7%synergy
Sol Ring
79%inclusion41 decks52 decks
-11%synergy
Azorius Signet
54%inclusion28 decks52 decks
22%synergy
Orzhov Signet
44%inclusion23 decks52 decks
10%synergy
Talisman of Progress
38%inclusion20 decks52 decks
-5%synergy
Talisman of Dominance
38%inclusion20 decks52 decks
-11%synergy
Talisman of Hierarchy
37%inclusion19 decks52 decks
-7%synergy
Dimir Signet
33%inclusion17 decks52 decks
1%synergy
Fellwar Stone
19%inclusion10 decks52 decks
-15%synergy
Commander's Sphere
17%inclusion9 decks52 decks
-1%synergy
Mind Stone
13%inclusion7 decks52 decks
1%synergy
Lands
Plains
98%inclusion51 decks52 decks
7%synergy
Command Tower
96%inclusion50 decks52 decks
4%synergy
Island
96%inclusion50 decks52 decks
3%synergy
Swamp
94%inclusion49 decks52 decks
3%synergy
Caves of Koilos
62%inclusion32 decks52 decks
26%synergy
Arcane Sanctum
62%inclusion32 decks52 decks
7%synergy
Exotic Orchard
60%inclusion31 decks52 decks
1%synergy
Adarkar Wastes
60%inclusion31 decks52 decks
28%synergy
Underground River
56%inclusion29 decks52 decks
23%synergy
Evolving Wilds
42%inclusion22 decks52 decks
17%synergy
Glacial Fortress
40%inclusion21 decks52 decks
0%synergy
Isolated Chapel
40%inclusion21 decks52 decks
1%synergy
Temple of Silence
40%inclusion21 decks52 decks
21%synergy
Drowned Catacomb
38%inclusion20 decks52 decks
2%synergy
Terramorphic Expanse
37%inclusion19 decks52 decks
20%synergy
Tainted Field
37%inclusion19 decks52 decks
30%synergy
Valgavoth's Lair
37%inclusion19 decks52 decks
34%synergy
Temple of Deceit
35%inclusion18 decks52 decks
17%synergy
Prairie Stream
35%inclusion18 decks52 decks
-6%synergy
Contaminated Landscape
33%inclusion17 decks52 decks
18%synergy
Dimir Aqueduct
33%inclusion17 decks52 decks
19%synergy
Temple of Enlightenment
33%inclusion17 decks52 decks
16%synergy
Tainted Isle
31%inclusion16 decks52 decks
24%synergy
Azorius Chancery
31%inclusion16 decks52 decks
17%synergy
Godless Shrine
31%inclusion16 decks52 decks
-20%synergy
Raffine's Tower
29%inclusion15 decks52 decks
-12%synergy
Orzhov Basilica
29%inclusion15 decks52 decks
13%synergy
Obscura Storefront
29%inclusion15 decks52 decks
19%synergy
Hallowed Fountain
29%inclusion15 decks52 decks
-21%synergy
Skycloud Expanse
27%inclusion14 decks52 decks
12%synergy
Sunken Hollow
27%inclusion14 decks52 decks
-13%synergy
Watery Grave
27%inclusion14 decks52 decks
-23%synergy
Meticulous Archive
25%inclusion13 decks52 decks
11%synergy
Sea of Clouds
23%inclusion12 decks52 decks
-13%synergy
Polluted Delta
23%inclusion12 decks52 decks
-14%synergy
Flooded Strand
23%inclusion12 decks52 decks
-15%synergy
Undercity Sewers
21%inclusion11 decks52 decks
7%synergy
Shadowy Backstreet
21%inclusion11 decks52 decks
9%synergy
Darkwater Catacombs
21%inclusion11 decks52 decks
7%synergy
Morphic Pool
21%inclusion11 decks52 decks
-13%synergy
Marsh Flats
21%inclusion11 decks52 decks
-15%synergy
Ash Barrens
19%inclusion10 decks52 decks
8%synergy
Shipwreck Marsh
19%inclusion10 decks52 decks
-1%synergy
Port Town
17%inclusion9 decks52 decks
0%synergy
Shineshadow Snarl
17%inclusion9 decks52 decks
7%synergy
Gloomlake Verge
17%inclusion9 decks52 decks
6%synergy
Vault of Champions
17%inclusion9 decks52 decks
-15%synergy
Deserted Beach
17%inclusion9 decks52 decks
-4%synergy
Floodfarm Verge
17%inclusion9 decks52 decks
6%synergy
Fabled Passage
15%inclusion8 decks52 decks
8%synergy
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