The Master of Keys (Commander) - Core Enchantress

The Master of Keys
Rank #312
49decks
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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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Northern Air Temple
5.9%inclusion1 decks17 decks
6%synergy
The Spirit Oasis
5.9%inclusion1 decks17 decks
6%synergy
Southern Air Temple
3.7%inclusion1 decks27 decks
4%synergy
Bender's Waterskin
3.7%inclusion1 decks27 decks
0%synergy
High Synergy Cards
Inquisitive Glimmer
82%inclusion40 decks49 decks
74%synergy
Mesa Enchantress
78%inclusion38 decks49 decks
69%synergy
Starfield Mystic
71%inclusion35 decks49 decks
65%synergy
Entity Tracker
69%inclusion34 decks49 decks
63%synergy
Ripples of Undeath
59%inclusion29 decks49 decks
56%synergy
Doomwake Giant
61%inclusion30 decks49 decks
55%synergy
Scrabbling Skullcrab
55%inclusion27 decks49 decks
54%synergy
Demon of Fate's Design
59%inclusion29 decks49 decks
54%synergy
Gravebreaker Lamia
51%inclusion25 decks49 decks
50%synergy
Seal of Cleansing
51%inclusion25 decks49 decks
50%synergy
Top Cards
Victor, Valgavoth's Seneschal
51%inclusion25 decks49 decks
49%synergy
Sigil of the Empty Throne
47%inclusion23 decks49 decks
41%synergy
Fear of Sleep Paralysis
47%inclusion23 decks49 decks
41%synergy
Overlord of the Floodpits
45%inclusion22 decks49 decks
41%synergy
Dress Down
45%inclusion22 decks49 decks
42%synergy
Ondu Spiritdancer
45%inclusion22 decks49 decks
39%synergy
Mirrormade
43%inclusion21 decks49 decks
33%synergy
Cemetery Tampering
43%inclusion21 decks49 decks
42%synergy
Swords to Plowshares
43%inclusion21 decks49 decks
-25%synergy
Secret Arcade // Dusty Parlor
43%inclusion21 decks49 decks
38%synergy
Creatures
Fear of Impostors
41%inclusion20 decks49 decks
39%synergy
Heliod, the Radiant Dawn
39%inclusion19 decks49 decks
35%synergy
Overlord of the Balemurk
35%inclusion17 decks49 decks
33%synergy
Soaring Lightbringer
35%inclusion17 decks49 decks
30%synergy
Aminatou, Veil Piercer
35%inclusion17 decks49 decks
33%synergy
Zur, Eternal Schemer
35%inclusion17 decks49 decks
31%synergy
Silent Hallcreeper
31%inclusion15 decks49 decks
26%synergy
Athreos, Shroud-Veiled
31%inclusion15 decks49 decks
26%synergy
Sage of Mysteries
29%inclusion14 decks49 decks
28%synergy
Mindwrack Harpy
29%inclusion14 decks49 decks
28%synergy
Ghostly Dancers
27%inclusion13 decks49 decks
24%synergy
Moon-Blessed Cleric
27%inclusion13 decks49 decks
22%synergy
Enduring Curiosity
27%inclusion13 decks49 decks
19%synergy
Overlord of the Mistmoors
24%inclusion12 decks49 decks
22%synergy
Grim Guardian
24%inclusion12 decks49 decks
22%synergy
Alseid of Life's Bounty
24%inclusion12 decks49 decks
23%synergy
Archon of Sun's Grace
22%inclusion11 decks49 decks
18%synergy
Skullsnap Nuisance
22%inclusion11 decks49 decks
22%synergy
Summon: Yojimbo
22%inclusion8 decks37 decks
21%synergy
Archetype of Imagination
20%inclusion10 decks49 decks
16%synergy
Spirited Companion
18%inclusion9 decks49 decks
16%synergy
Nashi, Searcher in the Dark
18%inclusion9 decks49 decks
18%synergy
Zur the Enchanter
18%inclusion9 decks49 decks
13%synergy
Ashiok's Reaper
16%inclusion8 decks49 decks
16%synergy
Balemurk Leech
14%inclusion7 decks49 decks
14%synergy
Ancient Cellarspawn
14%inclusion7 decks49 decks
11%synergy
Creeping Peeper
12%inclusion6 decks49 decks
12%synergy
Auramancer
12%inclusion6 decks49 decks
9%synergy
Appendage Amalgam
12%inclusion6 decks49 decks
12%synergy
Nightmare Shepherd
12%inclusion6 decks49 decks
10%synergy
Millikin
12%inclusion6 decks49 decks
12%synergy
Summon: Primal Odin
11%inclusion4 decks37 decks
7%synergy
Fear of Surveillance
10%inclusion5 decks49 decks
10%synergy
Gremlin Tamer
10%inclusion5 decks49 decks
9%synergy
Witch Enchanter
8.2%inclusion4 decks49 decks
1%synergy
Callaphe, Beloved of the Sea
8.2%inclusion4 decks49 decks
7%synergy
Summon: Anima
8.1%inclusion3 decks37 decks
8%synergy
Summon: Knights of Round
8.1%inclusion3 decks37 decks
5%synergy
Solemn Simulacrum
6.1%inclusion3 decks49 decks
-9%synergy
Starnheim Courser
6.1%inclusion3 decks49 decks
2%synergy
Metamorphosis Fanatic
6.1%inclusion3 decks49 decks
1%synergy
Fear of Infinity
6.1%inclusion3 decks49 decks
6%synergy
Stenn, Paranoid Partisan
6.1%inclusion3 decks49 decks
5%synergy
Phenax, God of Deception
6.1%inclusion3 decks49 decks
6%synergy
Scholar of New Horizons
6.1%inclusion3 decks49 decks
5%synergy
Stitcher's Supplier
6.1%inclusion3 decks49 decks
5%synergy
Arvinox, the Mind Flail
6.1%inclusion3 decks49 decks
4%synergy
Boggart Trawler
6.1%inclusion3 decks49 decks
3%synergy
Ledger Shredder
6.1%inclusion3 decks49 decks
-3%synergy
Phantatog
6.1%inclusion3 decks49 decks
6%synergy
Instants
Thirst for Meaning
33%inclusion16 decks49 decks
31%synergy
Arcane Denial
31%inclusion15 decks49 decks
10%synergy
Otherworldly Gaze
29%inclusion14 decks49 decks
26%synergy
Path to Exile
24%inclusion12 decks49 decks
-18%synergy
Frantic Search
18%inclusion9 decks49 decks
1%synergy
Inkshield
18%inclusion9 decks49 decks
9%synergy
Counterspell
18%inclusion9 decks49 decks
-23%synergy
Utter End
16%inclusion8 decks49 decks
9%synergy
Brainstorm
14%inclusion7 decks49 decks
-3%synergy
Void Rend
12%inclusion6 decks49 decks
-22%synergy
Fell the Profane
10%inclusion5 decks49 decks
1%synergy
Dovin's Veto
10%inclusion5 decks49 decks
-15%synergy
An Offer You Can't Refuse
10%inclusion5 decks49 decks
-17%synergy
Return to Dust
10%inclusion5 decks49 decks
7%synergy
Negate
10%inclusion5 decks49 decks
-6%synergy
Sink into Stupor
8.2%inclusion4 decks49 decks
-5%synergy
Refute
6.5%inclusion3 decks46 decks
4%synergy
Consider
6.1%inclusion3 decks49 decks
4%synergy
Entomb
6.1%inclusion3 decks49 decks
-1%synergy
Dawn's Truce
6.1%inclusion3 decks49 decks
2%synergy
Fact or Fiction
6.1%inclusion3 decks49 decks
2%synergy
Unwanted Remake
6.1%inclusion3 decks49 decks
6%synergy
Dark Ritual
6.1%inclusion3 decks49 decks
-13%synergy
Withering Torment
6.1%inclusion3 decks49 decks
4%synergy
Generous Gift
6.1%inclusion3 decks49 decks
-9%synergy
Swallowed by Leviathan
6.1%inclusion2 decks33 decks
5%synergy
Dreams of Laguna
5.4%inclusion2 decks37 decks
5%synergy
Sorceries
Redress Fate
43%inclusion21 decks49 decks
37%synergy
Sevinne's Reclamation
39%inclusion19 decks49 decks
30%synergy
Extinguish All Hope
29%inclusion14 decks49 decks
27%synergy
Dance of the Manse
29%inclusion14 decks49 decks
25%synergy
Time Wipe
22%inclusion11 decks49 decks
15%synergy
Resurgent Belief
18%inclusion9 decks49 decks
16%synergy
Singularity Rupture
14%inclusion4 decks29 decks
11%synergy
Space-Time Anomaly
14%inclusion4 decks29 decks
12%synergy
Ponder
10%inclusion5 decks49 decks
1%synergy
Windfall
10%inclusion5 decks49 decks
-4%synergy
Demonic Counsel
10%inclusion5 decks49 decks
9%synergy
Reanimate
10%inclusion5 decks49 decks
-6%synergy
Replenish
8.2%inclusion4 decks49 decks
6%synergy
Brilliant Restoration
8.2%inclusion4 decks49 decks
6%synergy
Glimpse the Unthinkable
8.2%inclusion4 decks49 decks
8%synergy
Damn
8.2%inclusion4 decks49 decks
-12%synergy
Final Vengeance
8.2%inclusion4 decks49 decks
8%synergy
Commune with Evil
6.1%inclusion3 decks49 decks
6%synergy
Open the Vaults
6.1%inclusion3 decks49 decks
5%synergy
Feed the Swarm
6.1%inclusion3 decks49 decks
3%synergy
Idyllic Tutor
6.1%inclusion3 decks49 decks
2%synergy
Treasure Cruise
6.1%inclusion3 decks49 decks
3%synergy
Read the Bones
6.1%inclusion3 decks49 decks
2%synergy
Utility Artifacts
Cloud Key
8.2%inclusion4 decks49 decks
5%synergy
Whip of Erebos
8.2%inclusion4 decks49 decks
6%synergy
Keys to the House
8.2%inclusion4 decks49 decks
8%synergy
Wayfarer's Bauble
6.1%inclusion3 decks49 decks
-2%synergy
Bident of Thassa
6.1%inclusion3 decks49 decks
-3%synergy
Archaeomancer's Map
6.1%inclusion3 decks49 decks
1%synergy
Enchantments
Cacophony Unleashed
39%inclusion19 decks49 decks
37%synergy
Grasp of Fate
39%inclusion19 decks49 decks
33%synergy
Sphere of Safety
39%inclusion19 decks49 decks
29%synergy
Amphibian Downpour
37%inclusion18 decks49 decks
32%synergy
Monologue Tax
37%inclusion18 decks49 decks
31%synergy
Animate Dead
37%inclusion18 decks49 decks
27%synergy
Estrid's Invocation
35%inclusion17 decks49 decks
30%synergy
Propaganda
35%inclusion17 decks49 decks
8%synergy
Defiled Crypt // Cadaver Lab
35%inclusion17 decks49 decks
34%synergy
The Tale of Tamiyo
31%inclusion15 decks49 decks
30%synergy
Ghostly Prison
31%inclusion15 decks49 decks
9%synergy
Stillness in Motion
29%inclusion12 decks41 decks
29%synergy
Polluted Cistern // Dim Oubliette
29%inclusion14 decks49 decks
28%synergy
Necromancy
29%inclusion14 decks49 decks
24%synergy
Mystic Remora
29%inclusion14 decks49 decks
7%synergy
Shark Typhoon
29%inclusion14 decks49 decks
23%synergy
Starfield of Nyx
29%inclusion14 decks49 decks
25%synergy
Mirror Room // Fractured Realm
29%inclusion14 decks49 decks
26%synergy
The Eldest Reborn
27%inclusion13 decks49 decks
24%synergy
Timely Ward
27%inclusion13 decks49 decks
22%synergy
Ethereal Armor
27%inclusion13 decks49 decks
22%synergy
Bottomless Pool // Locker Room
24%inclusion12 decks49 decks
22%synergy
Seal of Removal
24%inclusion12 decks49 decks
24%synergy
Derelict Attic // Widow's Walk
22%inclusion11 decks49 decks
22%synergy
Secrets of the Dead
22%inclusion11 decks49 decks
22%synergy
Sheltered by Ghosts
22%inclusion11 decks49 decks
20%synergy
Hallowed Haunting
22%inclusion11 decks49 decks
20%synergy
Cramped Vents // Access Maze
20%inclusion10 decks49 decks
18%synergy
Copy Enchantment
20%inclusion10 decks49 decks
16%synergy
Restricted Office // Lecture Hall
20%inclusion10 decks49 decks
18%synergy
Teval's Judgment
20%inclusion8 decks41 decks
19%synergy
Blind Obedience
18%inclusion9 decks49 decks
6%synergy
Spirit-Sister's Call
18%inclusion9 decks49 decks
17%synergy
Central Elevator // Promising Stairs
18%inclusion9 decks49 decks
18%synergy
Imprisoned in the Moon
16%inclusion8 decks49 decks
10%synergy
Seal of Doom
16%inclusion8 decks49 decks
16%synergy
All That Glitters
16%inclusion8 decks49 decks
8%synergy
Nowhere to Run
16%inclusion8 decks49 decks
15%synergy
Darksteel Mutation
14%inclusion7 decks49 decks
8%synergy
Extravagant Replication
14%inclusion7 decks49 decks
9%synergy
Unable to Scream
14%inclusion7 decks49 decks
13%synergy
Soul Snare
14%inclusion7 decks49 decks
14%synergy
Touch the Spirit Realm
14%inclusion7 decks49 decks
12%synergy
Surgical Suite // Hospital Room
14%inclusion7 decks49 decks
14%synergy
Phyrexian Arena
14%inclusion7 decks49 decks
0%synergy
Cast Out
14%inclusion7 decks49 decks
11%synergy
The Meathook Massacre
12%inclusion6 decks49 decks
9%synergy
King Narfi's Betrayal
12%inclusion6 decks49 decks
12%synergy
Birth of the Imperium
12%inclusion6 decks49 decks
10%synergy
Out of the Tombs
12%inclusion6 decks49 decks
12%synergy
Battles
Invasion of Theros
10%inclusion5 decks49 decks
8%synergy
Utility Lands
Hall of Heliod's Generosity
57%inclusion28 decks49 decks
44%synergy
Bojuka Bog
53%inclusion26 decks49 decks
26%synergy
Halimar Depths
18%inclusion9 decks49 decks
14%synergy
Otawara, Soaring City
14%inclusion7 decks49 decks
-5%synergy
Takenuma, Abandoned Mire
14%inclusion7 decks49 decks
8%synergy
Cephalid Coliseum
14%inclusion7 decks49 decks
11%synergy
Reliquary Tower
12%inclusion6 decks49 decks
-21%synergy
Urborg, Tomb of Yawgmoth
8.2%inclusion4 decks49 decks
-5%synergy
Nephalia Drownyard
6.1%inclusion3 decks49 decks
6%synergy
Drownyard Temple
6.1%inclusion3 decks49 decks
6%synergy
Mana Artifacts
Arcane Signet
80%inclusion39 decks49 decks
-8%synergy
Sol Ring
78%inclusion38 decks49 decks
-12%synergy
Azorius Signet
55%inclusion27 decks49 decks
23%synergy
Orzhov Signet
45%inclusion22 decks49 decks
11%synergy
Talisman of Dominance
41%inclusion20 decks49 decks
-9%synergy
Talisman of Progress
39%inclusion19 decks49 decks
-4%synergy
Talisman of Hierarchy
37%inclusion18 decks49 decks
-7%synergy
Dimir Signet
33%inclusion16 decks49 decks
0%synergy
Fellwar Stone
20%inclusion10 decks49 decks
-14%synergy
Commander's Sphere
18%inclusion9 decks49 decks
-1%synergy
Mind Stone
14%inclusion7 decks49 decks
1%synergy
Lands
Plains
98%inclusion48 decks49 decks
7%synergy
Command Tower
96%inclusion47 decks49 decks
3%synergy
Island
96%inclusion47 decks49 decks
3%synergy
Swamp
94%inclusion46 decks49 decks
3%synergy
Arcane Sanctum
65%inclusion32 decks49 decks
11%synergy
Caves of Koilos
61%inclusion30 decks49 decks
26%synergy
Adarkar Wastes
61%inclusion30 decks49 decks
30%synergy
Exotic Orchard
57%inclusion28 decks49 decks
-1%synergy
Underground River
55%inclusion27 decks49 decks
22%synergy
Glacial Fortress
41%inclusion20 decks49 decks
1%synergy
Isolated Chapel
41%inclusion20 decks49 decks
2%synergy
Evolving Wilds
41%inclusion20 decks49 decks
16%synergy
Temple of Silence
41%inclusion20 decks49 decks
21%synergy
Drowned Catacomb
39%inclusion19 decks49 decks
3%synergy
Temple of Deceit
35%inclusion17 decks49 decks
17%synergy
Dimir Aqueduct
35%inclusion17 decks49 decks
21%synergy
Prairie Stream
35%inclusion17 decks49 decks
-6%synergy
Valgavoth's Lair
35%inclusion17 decks49 decks
32%synergy
Azorius Chancery
33%inclusion16 decks49 decks
18%synergy
Terramorphic Expanse
33%inclusion16 decks49 decks
16%synergy
Temple of Enlightenment
33%inclusion16 decks49 decks
16%synergy
Tainted Field
33%inclusion16 decks49 decks
26%synergy
Contaminated Landscape
31%inclusion15 decks49 decks
16%synergy
Orzhov Basilica
31%inclusion15 decks49 decks
15%synergy
Tainted Isle
29%inclusion14 decks49 decks
22%synergy
Godless Shrine
29%inclusion14 decks49 decks
-22%synergy
Obscura Storefront
29%inclusion14 decks49 decks
18%synergy
Hallowed Fountain
29%inclusion14 decks49 decks
-21%synergy
Raffine's Tower
27%inclusion13 decks49 decks
-15%synergy
Skycloud Expanse
27%inclusion13 decks49 decks
12%synergy
Sunken Hollow
27%inclusion13 decks49 decks
-13%synergy
Watery Grave
27%inclusion13 decks49 decks
-24%synergy
Meticulous Archive
24%inclusion12 decks49 decks
11%synergy
Undercity Sewers
22%inclusion11 decks49 decks
8%synergy
Sea of Clouds
22%inclusion11 decks49 decks
-13%synergy
Shadowy Backstreet
20%inclusion10 decks49 decks
8%synergy
Darkwater Catacombs
20%inclusion10 decks49 decks
6%synergy
Ash Barrens
20%inclusion10 decks49 decks
10%synergy
Flooded Strand
20%inclusion10 decks49 decks
-18%synergy
Morphic Pool
20%inclusion10 decks49 decks
-14%synergy
Polluted Delta
20%inclusion10 decks49 decks
-17%synergy
Port Town
18%inclusion9 decks49 decks
1%synergy
Shipwreck Marsh
18%inclusion9 decks49 decks
-2%synergy
Marsh Flats
18%inclusion9 decks49 decks
-18%synergy
Shineshadow Snarl
18%inclusion9 decks49 decks
8%synergy
Gloomlake Verge
16%inclusion8 decks49 decks
5%synergy
Deserted Beach
16%inclusion8 decks49 decks
-5%synergy
Floodfarm Verge
16%inclusion8 decks49 decks
5%synergy
Fabled Passage
14%inclusion7 decks49 decks
7%synergy
Irrigated Farmland
14%inclusion7 decks49 decks
7%synergy
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