The Master of Keys (Commander) - 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
Mornsong Aria
5.4%inclusion4 decks74 decks
5%synergy
Noggle the Mind
4.5%inclusion3 decks66 decks
4%synergy
Twilight Diviner
1.5%inclusion1 decks66 decks
1%synergy
Moonshadow
1.5%inclusion1 decks66 decks
1%synergy
Voracious Tome-Skimmer
1.4%inclusion1 decks74 decks
1%synergy
High Synergy Cards
Inquisitive Glimmer
77%inclusion1.01K decks1.31K decks
69%synergy
Ripples of Undeath
69%inclusion902 decks1.31K decks
66%synergy
Mesa Enchantress
69%inclusion908 decks1.31K decks
60%synergy
Entity Tracker
66%inclusion871 decks1.31K decks
60%synergy
Starfield Mystic
66%inclusion866 decks1.31K decks
59%synergy
Demon of Fate's Design
63%inclusion824 decks1.31K decks
57%synergy
Gravebreaker Lamia
58%inclusion758 decks1.31K decks
57%synergy
Fear of Sleep Paralysis
60%inclusion786 decks1.31K decks
55%synergy
Animate Dead
64%inclusion836 decks1.31K decks
54%synergy
Dress Down
55%inclusion723 decks1.31K decks
53%synergy
Top Cards
Doomwake Giant
58%inclusion763 decks1.31K decks
52%synergy
Swords to Plowshares
57%inclusion750 decks1.31K decks
-11%synergy
Mystic Remora
57%inclusion746 decks1.31K decks
36%synergy
Secret Arcade // Dusty Parlor
53%inclusion688 decks1.31K decks
48%synergy
Sphere of Safety
52%inclusion686 decks1.31K decks
43%synergy
Scrabbling Skullcrab
52%inclusion679 decks1.31K decks
51%synergy
Ondu Spiritdancer
51%inclusion666 decks1.31K decks
45%synergy
Mirrormade
50%inclusion655 decks1.31K decks
40%synergy
Necromancy
49%inclusion641 decks1.31K decks
44%synergy
Overlord of the Floodpits
48%inclusion633 decks1.31K decks
45%synergy
Game Changers
Smothering Tithe
52%inclusion687 decks1.31K decks
21%synergy
Rhystic Study
44%inclusion581 decks1.31K decks
12%synergy
Enlightened Tutor
28%inclusion364 decks1.31K decks
8%synergy
Demonic Tutor
18%inclusion238 decks1.31K decks
-3%synergy
Cyclonic Rift
18%inclusion235 decks1.31K decks
-6%synergy
Fierce Guardianship
16%inclusion210 decks1.31K decks
-5%synergy
Vampiric Tutor
16%inclusion207 decks1.31K decks
-2%synergy
Ancient Tomb
15%inclusion197 decks1.31K decks
2%synergy
Thassa's Oracle
15%inclusion195 decks1.31K decks
5%synergy
Necropotence
14%inclusion179 decks1.31K decks
7%synergy
Creatures
Overlord of the Balemurk
47%inclusion616 decks1.31K decks
45%synergy
Victor, Valgavoth's Seneschal
46%inclusion600 decks1.31K decks
44%synergy
Zur, Eternal Schemer
44%inclusion572 decks1.31K decks
40%synergy
Fear of Impostors
40%inclusion526 decks1.31K decks
39%synergy
Ghostly Dancers
40%inclusion526 decks1.31K decks
38%synergy
Soaring Lightbringer
33%inclusion434 decks1.31K decks
28%synergy
Enduring Curiosity
33%inclusion428 decks1.31K decks
25%synergy
Heliod, the Radiant Dawn
33%inclusion427 decks1.31K decks
29%synergy
Silent Hallcreeper
32%inclusion422 decks1.31K decks
28%synergy
Grim Guardian
29%inclusion376 decks1.31K decks
26%synergy
Archon of Sun's Grace
28%inclusion371 decks1.31K decks
24%synergy
Zur the Enchanter
27%inclusion360 decks1.31K decks
22%synergy
Aminatou, Veil Piercer
25%inclusion329 decks1.31K decks
24%synergy
Moon-Blessed Cleric
23%inclusion295 decks1.31K decks
18%synergy
Abdel Adrian, Gorion's Ward
20%inclusion264 decks1.31K decks
18%synergy
Mindwrack Harpy
20%inclusion262 decks1.31K decks
20%synergy
Athreos, Shroud-Veiled
19%inclusion253 decks1.31K decks
15%synergy
Overlord of the Mistmoors
19%inclusion247 decks1.31K decks
17%synergy
Esper Sentinel
18%inclusion242 decks1.31K decks
-9%synergy
Ancient Cellarspawn
17%inclusion226 decks1.31K decks
14%synergy
Alseid of Life's Bounty
16%inclusion208 decks1.31K decks
14%synergy
Spirited Companion
15%inclusion195 decks1.31K decks
13%synergy
Gremlin Tamer
15%inclusion195 decks1.31K decks
14%synergy
Lotho, Corrupt Shirriff
15%inclusion194 decks1.31K decks
-2%synergy
Archetype of Imagination
15%inclusion191 decks1.31K decks
10%synergy
Sage of Mysteries
14%inclusion184 decks1.31K decks
14%synergy
Grand Abolisher
14%inclusion181 decks1.31K decks
-1%synergy
Nashi, Searcher in the Dark
13%inclusion173 decks1.31K decks
13%synergy
Skullsnap Nuisance
13%inclusion172 decks1.31K decks
13%synergy
Balemurk Leech
13%inclusion171 decks1.31K decks
12%synergy
Valley Floodcaller
13%inclusion164 decks1.31K decks
8%synergy
Hullbreaker Horror
12%inclusion151 decks1.31K decks
5%synergy
Voice of Victory
11%inclusion44 decks410 decks
2%synergy
Fear of Infinity
10%inclusion137 decks1.31K decks
10%synergy
Starnheim Courser
10%inclusion137 decks1.31K decks
7%synergy
Wan Shi Tong, Librarian
10%inclusion18 decks173 decks
5%synergy
Orcish Bowmasters
10%inclusion131 decks1.31K decks
-1%synergy
Displacer Kitten
10%inclusion126 decks1.31K decks
3%synergy
Summon: Yojimbo
9.4%inclusion33 decks350 decks
8%synergy
Stenn, Paranoid Partisan
9.2%inclusion121 decks1.31K decks
8%synergy
Nightmare Shepherd
8.5%inclusion111 decks1.31K decks
6%synergy
Ledger Shredder
8.2%inclusion107 decks1.31K decks
-1%synergy
Auramancer
7.9%inclusion103 decks1.31K decks
5%synergy
Ranger-Captain of Eos
7.3%inclusion96 decks1.31K decks
1%synergy
Hedron Crab
6.9%inclusion91 decks1.31K decks
6%synergy
Lurrus of the Dream-Den
6.9%inclusion91 decks1.31K decks
5%synergy
Enduring Tenacity
6.6%inclusion86 decks1.31K decks
-1%synergy
Emet-Selch of the Third Seat
6.6%inclusion23 decks351 decks
-3%synergy
Witch Enchanter
6.5%inclusion85 decks1.31K decks
0%synergy
Solemn Simulacrum
6.2%inclusion81 decks1.31K decks
-8%synergy
Instants
Entomb
33%inclusion433 decks1.31K decks
26%synergy
Path to Exile
31%inclusion404 decks1.31K decks
-11%synergy
Counterspell
30%inclusion393 decks1.31K decks
-11%synergy
Arcane Denial
30%inclusion391 decks1.31K decks
10%synergy
Dark Ritual
24%inclusion316 decks1.31K decks
5%synergy
An Offer You Can't Refuse
23%inclusion305 decks1.31K decks
-4%synergy
Void Rend
19%inclusion251 decks1.31K decks
-15%synergy
Thirst for Meaning
18%inclusion238 decks1.31K decks
17%synergy
Swan Song
17%inclusion224 decks1.31K decks
-3%synergy
Dovin's Veto
15%inclusion191 decks1.31K decks
-11%synergy
Inkshield
14%inclusion178 decks1.31K decks
4%synergy
Frantic Search
13%inclusion175 decks1.31K decks
-4%synergy
Mana Drain
13%inclusion165 decks1.31K decks
-5%synergy
Otherworldly Gaze
13%inclusion164 decks1.31K decks
10%synergy
Sink into Stupor
12%inclusion158 decks1.31K decks
-1%synergy
Force of Will
11%inclusion147 decks1.31K decks
-2%synergy
Silence
11%inclusion141 decks1.31K decks
0%synergy
Anguished Unmaking
11%inclusion138 decks1.31K decks
-15%synergy
Force of Negation
10%inclusion132 decks1.31K decks
-2%synergy
Negate
9.5%inclusion124 decks1.31K decks
-7%synergy
Flusterstorm
9.2%inclusion121 decks1.31K decks
1%synergy
Demonic Consultation
9.2%inclusion120 decks1.31K decks
1%synergy
Tainted Pact
9.1%inclusion119 decks1.31K decks
2%synergy
Brainstorm
9.1%inclusion119 decks1.31K decks
-8%synergy
Teferi's Protection
8.9%inclusion117 decks1.31K decks
-8%synergy
Intuition
8.9%inclusion116 decks1.31K decks
7%synergy
Borne Upon a Wind
8.5%inclusion112 decks1.31K decks
4%synergy
Mystical Tutor
8.5%inclusion112 decks1.31K decks
-3%synergy
Fell the Profane
8.2%inclusion108 decks1.31K decks
-1%synergy
Mindbreak Trap
7.8%inclusion102 decks1.31K decks
1%synergy
Cabal Ritual
7.6%inclusion99 decks1.31K decks
4%synergy
Mental Misstep
7.5%inclusion98 decks1.31K decks
1%synergy
Pact of Negation
7.3%inclusion96 decks1.31K decks
-1%synergy
Generous Gift
6.3%inclusion82 decks1.31K decks
-8%synergy
Gifts Ungiven
5.7%inclusion75 decks1.31K decks
3%synergy
Utter End
5.3%inclusion69 decks1.31K decks
-1%synergy
Sorceries
Sevinne's Reclamation
42%inclusion548 decks1.31K decks
33%synergy
Redress Fate
41%inclusion542 decks1.31K decks
35%synergy
Windfall
24%inclusion311 decks1.31K decks
10%synergy
Extinguish All Hope
23%inclusion302 decks1.31K decks
21%synergy
Dance of the Manse
23%inclusion298 decks1.31K decks
19%synergy
Reanimate
20%inclusion266 decks1.31K decks
4%synergy
Toxic Deluge
15%inclusion202 decks1.31K decks
-4%synergy
Resurgent Belief
15%inclusion196 decks1.31K decks
13%synergy
Singularity Rupture
14%inclusion42 decks293 decks
12%synergy
Time Wipe
12%inclusion160 decks1.31K decks
5%synergy
Idyllic Tutor
11%inclusion148 decks1.31K decks
7%synergy
Damn
11%inclusion142 decks1.31K decks
-10%synergy
Replenish
10%inclusion134 decks1.31K decks
8%synergy
Space-Time Anomaly
10%inclusion27 decks283 decks
8%synergy
Supreme Verdict
8.9%inclusion116 decks1.31K decks
-6%synergy
Glimpse the Unthinkable
8.3%inclusion109 decks1.31K decks
8%synergy
Ponder
7.9%inclusion104 decks1.31K decks
-1%synergy
Imperial Seal
7.4%inclusion97 decks1.31K decks
0%synergy
Demonic Counsel
7.3%inclusion95 decks1.31K decks
6%synergy
Brilliant Restoration
6.8%inclusion89 decks1.31K decks
5%synergy
Unmarked Grave
6.8%inclusion89 decks1.31K decks
5%synergy
Farewell
6.4%inclusion84 decks1.31K decks
-7%synergy
Blasphemous Edict
6.4%inclusion51 decks803 decks
4%synergy
Austere Command
6.3%inclusion82 decks1.31K decks
-3%synergy
Buried Alive
5.3%inclusion70 decks1.31K decks
1%synergy
Lively Dirge
5.0%inclusion66 decks1.31K decks
4%synergy
Utility Artifacts
Mesmeric Orb
18%inclusion239 decks1.31K decks
17%synergy
Cloud Key
14%inclusion185 decks1.31K decks
11%synergy
The One Ring
11%inclusion139 decks1.31K decks
-3%synergy
Lightning Greaves
10%inclusion135 decks1.31K decks
-12%synergy
Wishclaw Talisman
8.3%inclusion109 decks1.31K decks
0%synergy
Keys to the House
8.1%inclusion106 decks1.30K decks
8%synergy
Wayfarer's Bauble
5.8%inclusion76 decks1.31K decks
-2%synergy
Swiftfoot Boots
5.0%inclusion66 decks1.31K decks
-19%synergy
Enchantments
Sigil of the Empty Throne
46%inclusion598 decks1.31K decks
40%synergy
Propaganda
45%inclusion589 decks1.31K decks
18%synergy
Starfield of Nyx
42%inclusion553 decks1.31K decks
38%synergy
Grasp of Fate
41%inclusion532 decks1.31K decks
34%synergy
Cemetery Tampering
40%inclusion527 decks1.31K decks
39%synergy
Ghostly Prison
39%inclusion515 decks1.31K decks
17%synergy
Blind Obedience
39%inclusion508 decks1.31K decks
27%synergy
Seal of Cleansing
36%inclusion469 decks1.31K decks
34%synergy
Defiled Crypt // Cadaver Lab
35%inclusion454 decks1.30K decks
34%synergy
Cacophony Unleashed
33%inclusion426 decks1.31K decks
31%synergy
Amphibian Downpour
32%inclusion419 decks1.31K decks
27%synergy
Estrid's Invocation
31%inclusion401 decks1.31K decks
26%synergy
Polluted Cistern // Dim Oubliette
30%inclusion397 decks1.31K decks
30%synergy
Shark Typhoon
30%inclusion396 decks1.31K decks
24%synergy
Monologue Tax
29%inclusion385 decks1.31K decks
23%synergy
Dance of the Dead
29%inclusion376 decks1.31K decks
27%synergy
Darksteel Mutation
29%inclusion374 decks1.31K decks
22%synergy
Hallowed Haunting
24%inclusion318 decks1.31K decks
22%synergy
The Tale of Tamiyo
22%inclusion291 decks1.31K decks
22%synergy
Greater Auramancy
22%inclusion289 decks1.31K decks
18%synergy
Stillness in Motion
22%inclusion87 decks404 decks
21%synergy
All That Glitters
21%inclusion281 decks1.31K decks
13%synergy
Mirror Room // Fractured Realm
21%inclusion281 decks1.31K decks
19%synergy
Restricted Office // Lecture Hall
21%inclusion273 decks1.31K decks
19%synergy
Out of the Tombs
21%inclusion270 decks1.31K decks
20%synergy
Black Market Connections
20%inclusion267 decks1.31K decks
6%synergy
The Meathook Massacre
20%inclusion266 decks1.31K decks
17%synergy
Extravagant Replication
20%inclusion264 decks1.31K decks
15%synergy
Imprisoned in the Moon
20%inclusion256 decks1.31K decks
13%synergy
Copy Enchantment
19%inclusion255 decks1.31K decks
15%synergy
Cramped Vents // Access Maze
19%inclusion250 decks1.31K decks
17%synergy
Dazzling Theater // Prop Room
19%inclusion247 decks1.30K decks
17%synergy
Phyrexian Arena
19%inclusion245 decks1.31K decks
5%synergy
Ethereal Armor
19%inclusion244 decks1.31K decks
14%synergy
Bottomless Pool // Locker Room
18%inclusion235 decks1.31K decks
16%synergy
Court of Cunning
18%inclusion233 decks1.31K decks
17%synergy
Touch the Spirit Realm
18%inclusion230 decks1.31K decks
15%synergy
Timely Ward
18%inclusion230 decks1.31K decks
13%synergy
Seal of Removal
17%inclusion229 decks1.31K decks
17%synergy
Meat Locker // Drowned Diner
17%inclusion219 decks1.28K decks
17%synergy
Central Elevator // Promising Stairs
17%inclusion222 decks1.31K decks
16%synergy
Underwater Tunnel // Slimy Aquarium
17%inclusion220 decks1.30K decks
17%synergy
Derelict Attic // Widow's Walk
15%inclusion199 decks1.29K decks
15%synergy
The Eldest Reborn
15%inclusion193 decks1.31K decks
12%synergy
Secrets of the Dead
15%inclusion191 decks1.31K decks
14%synergy
Leyline of Anticipation
14%inclusion189 decks1.31K decks
10%synergy
Sheltered by Ghosts
14%inclusion181 decks1.31K decks
11%synergy
Trouble in Pairs
13%inclusion174 decks1.31K decks
8%synergy
Static Prison
13%inclusion171 decks1.31K decks
13%synergy
Funeral Room // Awakening Hall
13%inclusion169 decks1.31K decks
12%synergy
Battles
Invasion of Theros
10%inclusion137 decks1.31K decks
9%synergy
Planeswalkers
Teferi, Time Raveler
8.5%inclusion112 decks1.31K decks
0%synergy
Utility Lands
Hall of Heliod's Generosity
64%inclusion838 decks1.31K decks
51%synergy
Bojuka Bog
40%inclusion529 decks1.31K decks
13%synergy
Otawara, Soaring City
24%inclusion316 decks1.31K decks
5%synergy
Reliquary Tower
16%inclusion210 decks1.31K decks
-18%synergy
Takenuma, Abandoned Mire
14%inclusion189 decks1.31K decks
8%synergy
Cephalid Coliseum
12%inclusion160 decks1.31K decks
9%synergy
Urborg, Tomb of Yawgmoth
12%inclusion160 decks1.31K decks
-1%synergy
Halimar Depths
11%inclusion148 decks1.31K decks
7%synergy
Serra's Sanctum
11%inclusion139 decks1.31K decks
9%synergy
Urza's Saga
10%inclusion131 decks1.31K decks
-2%synergy
Emergence Zone
6.6%inclusion87 decks1.31K decks
5%synergy
Nephalia Drownyard
5.2%inclusion68 decks1.31K decks
5%synergy
Mana Artifacts
Sol Ring
89%inclusion1.17K decks1.31K decks
-1%synergy
Arcane Signet
89%inclusion1.17K decks1.31K decks
1%synergy
Talisman of Dominance
53%inclusion691 decks1.31K decks
3%synergy
Talisman of Progress
49%inclusion645 decks1.31K decks
6%synergy
Talisman of Hierarchy
45%inclusion583 decks1.31K decks
1%synergy
Azorius Signet
36%inclusion476 decks1.31K decks
5%synergy
Orzhov Signet
34%inclusion451 decks1.31K decks
1%synergy
Fellwar Stone
32%inclusion419 decks1.31K decks
-2%synergy
Dimir Signet
25%inclusion324 decks1.31K decks
-7%synergy
Mind Stone
16%inclusion207 decks1.31K decks
3%synergy
Commander's Sphere
12%inclusion153 decks1.31K decks
-7%synergy
Mana Vault
11%inclusion146 decks1.31K decks
2%synergy
Lotus Petal
10%inclusion136 decks1.31K decks
0%synergy
Chrome Mox
10%inclusion125 decks1.31K decks
0%synergy
Mox Diamond
7.9%inclusion104 decks1.31K decks
1%synergy
Mox Opal
7.3%inclusion95 decks1.31K decks
-2%synergy
Chromatic Lantern
6.6%inclusion87 decks1.31K decks
-7%synergy
Lion's Eye Diamond
6.5%inclusion85 decks1.31K decks
4%synergy
Thought Vessel
5.6%inclusion73 decks1.31K decks
-19%synergy
Lands
Command Tower
93%inclusion1.22K decks1.31K decks
1%synergy
Island
93%inclusion1.22K decks1.31K decks
0%synergy
Swamp
92%inclusion1.20K decks1.31K decks
0%synergy
Plains
91%inclusion1.19K decks1.31K decks
-1%synergy
Arcane Sanctum
54%inclusion708 decks1.31K decks
0%synergy
Hallowed Fountain
54%inclusion705 decks1.31K decks
4%synergy
Godless Shrine
54%inclusion702 decks1.31K decks
3%synergy
Watery Grave
53%inclusion695 decks1.31K decks
3%synergy
Caves of Koilos
51%inclusion671 decks1.31K decks
16%synergy
Exotic Orchard
51%inclusion668 decks1.31K decks
-8%synergy
Adarkar Wastes
49%inclusion644 decks1.31K decks
18%synergy
Flooded Strand
47%inclusion618 decks1.31K decks
9%synergy
Underground River
46%inclusion605 decks1.31K decks
13%synergy
Polluted Delta
46%inclusion603 decks1.31K decks
8%synergy
Marsh Flats
44%inclusion570 decks1.31K decks
7%synergy
Raffine's Tower
43%inclusion567 decks1.31K decks
2%synergy
Sea of Clouds
41%inclusion535 decks1.31K decks
5%synergy
Morphic Pool
39%inclusion513 decks1.31K decks
5%synergy
Vault of Champions
38%inclusion503 decks1.31K decks
6%synergy
Valgavoth's Lair
35%inclusion463 decks1.31K decks
33%synergy
Undercity Sewers
34%inclusion451 decks1.31K decks
20%synergy
Glacial Fortress
34%inclusion449 decks1.31K decks
-6%synergy
Isolated Chapel
34%inclusion447 decks1.31K decks
-5%synergy
Shadowy Backstreet
32%inclusion413 decks1.31K decks
19%synergy
Meticulous Archive
32%inclusion413 decks1.31K decks
18%synergy
Drowned Catacomb
29%inclusion379 decks1.31K decks
-7%synergy
Temple of Enlightenment
25%inclusion334 decks1.31K decks
9%synergy
Temple of Silence
24%inclusion319 decks1.31K decks
5%synergy
Evolving Wilds
24%inclusion312 decks1.31K decks
-1%synergy
Obscura Storefront
24%inclusion312 decks1.31K decks
14%synergy
Terramorphic Expanse
24%inclusion311 decks1.31K decks
7%synergy
Prairie Stream
23%inclusion306 decks1.31K decks
-17%synergy
Temple of Deceit
23%inclusion302 decks1.31K decks
5%synergy
Sunken Hollow
22%inclusion285 decks1.31K decks
-18%synergy
Azorius Chancery
22%inclusion284 decks1.31K decks
7%synergy
Dimir Aqueduct
20%inclusion267 decks1.31K decks
7%synergy
Deserted Beach
20%inclusion264 decks1.31K decks
-1%synergy
Contaminated Landscape
20%inclusion263 decks1.31K decks
6%synergy
Tainted Field
20%inclusion262 decks1.31K decks
13%synergy
Floodfarm Verge
20%inclusion256 decks1.31K decks
8%synergy
Orzhov Basilica
19%inclusion254 decks1.31K decks
4%synergy
Tainted Isle
19%inclusion252 decks1.31K decks
13%synergy
Gloomlake Verge
19%inclusion251 decks1.31K decks
8%synergy
Shipwreck Marsh
19%inclusion247 decks1.31K decks
-2%synergy
Scrubland
16%inclusion214 decks1.31K decks
0%synergy
Tundra
16%inclusion210 decks1.31K decks
0%synergy
Underground Sea
16%inclusion206 decks1.31K decks
0%synergy
City of Brass
15%inclusion196 decks1.31K decks
0%synergy
Bloodstained Mire
14%inclusion186 decks1.31K decks
3%synergy
Scalding Tarn
14%inclusion177 decks1.31K decks
2%synergy