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
Eiganjo Dynastorian
5.6%inclusion2 decks36 decks
5%synergy
Turbulent Moor
2.8%inclusion1 decks36 decks
2%synergy
Changing Loyalty
2.8%inclusion1 decks36 decks
3%synergy
Does Machines
1.7%inclusion3 decks172 decks
2%synergy
Paramecia Coloniex
1.6%inclusion2 decks127 decks
1%synergy
High Synergy Cards
Inquisitive Glimmer
77%inclusion1.06K decks1.38K decks
70%synergy
Ripples of Undeath
68%inclusion943 decks1.38K decks
66%synergy
Entity Tracker
66%inclusion917 decks1.38K decks
60%synergy
Mesa Enchantress
69%inclusion953 decks1.38K decks
60%synergy
Starfield Mystic
66%inclusion905 decks1.38K decks
59%synergy
Demon of Fate's Design
62%inclusion862 decks1.38K decks
57%synergy
Gravebreaker Lamia
58%inclusion796 decks1.38K decks
57%synergy
Fear of Sleep Paralysis
59%inclusion818 decks1.38K decks
54%synergy
Animate Dead
63%inclusion875 decks1.38K decks
54%synergy
Doomwake Giant
58%inclusion800 decks1.38K decks
52%synergy
Top Cards
Swords to Plowshares
57%inclusion782 decks1.38K decks
-11%synergy
Mystic Remora
56%inclusion775 decks1.38K decks
35%synergy
Dress Down
54%inclusion751 decks1.38K decks
52%synergy
Sphere of Safety
52%inclusion720 decks1.38K decks
43%synergy
Secret Arcade // Dusty Parlor
52%inclusion716 decks1.38K decks
47%synergy
Scrabbling Skullcrab
52%inclusion711 decks1.38K decks
51%synergy
Ondu Spiritdancer
50%inclusion691 decks1.38K decks
44%synergy
Mirrormade
50%inclusion684 decks1.38K decks
40%synergy
Overlord of the Floodpits
49%inclusion673 decks1.38K decks
45%synergy
Necromancy
49%inclusion673 decks1.38K decks
44%synergy
Game Changers
Smothering Tithe
51%inclusion706 decks1.38K decks
20%synergy
Rhystic Study
43%inclusion592 decks1.38K decks
12%synergy
Enlightened Tutor
27%inclusion377 decks1.38K decks
8%synergy
Demonic Tutor
18%inclusion244 decks1.38K decks
-3%synergy
Cyclonic Rift
17%inclusion240 decks1.38K decks
-6%synergy
Vampiric Tutor
16%inclusion217 decks1.38K decks
-1%synergy
Fierce Guardianship
16%inclusion214 decks1.38K decks
-5%synergy
Ancient Tomb
15%inclusion208 decks1.38K decks
2%synergy
Thassa's Oracle
15%inclusion204 decks1.38K decks
6%synergy
Necropotence
14%inclusion191 decks1.38K decks
7%synergy
Creatures
Overlord of the Balemurk
47%inclusion650 decks1.38K decks
45%synergy
Victor, Valgavoth's Seneschal
46%inclusion631 decks1.38K decks
44%synergy
Zur, Eternal Schemer
44%inclusion602 decks1.38K decks
40%synergy
Fear of Impostors
40%inclusion552 decks1.38K decks
39%synergy
Ghostly Dancers
40%inclusion550 decks1.38K decks
37%synergy
Soaring Lightbringer
33%inclusion452 decks1.38K decks
28%synergy
Enduring Curiosity
32%inclusion445 decks1.38K decks
24%synergy
Silent Hallcreeper
32%inclusion443 decks1.38K decks
28%synergy
Heliod, the Radiant Dawn
32%inclusion441 decks1.38K decks
28%synergy
Grim Guardian
29%inclusion397 decks1.38K decks
26%synergy
Archon of Sun's Grace
28%inclusion386 decks1.38K decks
23%synergy
Zur the Enchanter
27%inclusion375 decks1.38K decks
22%synergy
Aminatou, Veil Piercer
24%inclusion338 decks1.38K decks
23%synergy
Moon-Blessed Cleric
22%inclusion304 decks1.38K decks
17%synergy
Mindwrack Harpy
20%inclusion280 decks1.38K decks
20%synergy
Abdel Adrian, Gorion's Ward
20%inclusion276 decks1.38K decks
18%synergy
Overlord of the Mistmoors
19%inclusion260 decks1.38K decks
17%synergy
Athreos, Shroud-Veiled
19%inclusion257 decks1.38K decks
14%synergy
Esper Sentinel
18%inclusion255 decks1.38K decks
-9%synergy
Ancient Cellarspawn
17%inclusion232 decks1.38K decks
14%synergy
Alseid of Life's Bounty
16%inclusion223 decks1.38K decks
15%synergy
Lotho, Corrupt Shirriff
15%inclusion205 decks1.38K decks
-2%synergy
Spirited Companion
15%inclusion205 decks1.38K decks
13%synergy
Gremlin Tamer
14%inclusion200 decks1.38K decks
13%synergy
Archetype of Imagination
14%inclusion200 decks1.38K decks
10%synergy
Sage of Mysteries
14%inclusion199 decks1.38K decks
14%synergy
Grand Abolisher
13%inclusion186 decks1.38K decks
-1%synergy
Skullsnap Nuisance
13%inclusion184 decks1.38K decks
13%synergy
Balemurk Leech
13%inclusion179 decks1.38K decks
12%synergy
Nashi, Searcher in the Dark
13%inclusion178 decks1.38K decks
12%synergy
Valley Floodcaller
12%inclusion169 decks1.38K decks
8%synergy
Hullbreaker Horror
11%inclusion155 decks1.38K decks
5%synergy
Fear of Infinity
11%inclusion147 decks1.38K decks
10%synergy
Starnheim Courser
10%inclusion140 decks1.38K decks
6%synergy
Summon: Yojimbo
10%inclusion42 decks429 decks
9%synergy
Orcish Bowmasters
10%inclusion135 decks1.38K decks
-1%synergy
Voice of Victory
10%inclusion47 decks488 decks
1%synergy
Displacer Kitten
9.3%inclusion129 decks1.38K decks
2%synergy
Stenn, Paranoid Partisan
9.3%inclusion128 decks1.38K decks
8%synergy
Wan Shi Tong, Librarian
8.7%inclusion23 decks263 decks
4%synergy
Nightmare Shepherd
8.6%inclusion119 decks1.38K decks
6%synergy
Ledger Shredder
8.3%inclusion114 decks1.38K decks
0%synergy
Auramancer
7.9%inclusion109 decks1.38K decks
5%synergy
Hedron Crab
7.3%inclusion101 decks1.38K decks
7%synergy
Ranger-Captain of Eos
7.3%inclusion101 decks1.38K decks
1%synergy
Lurrus of the Dream-Den
6.9%inclusion95 decks1.38K decks
5%synergy
Witch Enchanter
6.7%inclusion92 decks1.38K decks
0%synergy
Enduring Tenacity
6.7%inclusion92 decks1.38K decks
-1%synergy
Emet-Selch of the Third Seat
6.3%inclusion27 decks430 decks
-3%synergy
Fear of Surveillance
6.0%inclusion83 decks1.38K decks
6%synergy
Instants
Entomb
33%inclusion460 decks1.38K decks
27%synergy
Path to Exile
30%inclusion420 decks1.38K decks
-12%synergy
Counterspell
30%inclusion412 decks1.38K decks
-12%synergy
Arcane Denial
29%inclusion402 decks1.38K decks
9%synergy
Dark Ritual
24%inclusion335 decks1.38K decks
5%synergy
An Offer You Can't Refuse
23%inclusion321 decks1.38K decks
-4%synergy
Void Rend
20%inclusion270 decks1.38K decks
-15%synergy
Thirst for Meaning
18%inclusion249 decks1.38K decks
17%synergy
Swan Song
17%inclusion237 decks1.38K decks
-3%synergy
Dovin's Veto
15%inclusion207 decks1.38K decks
-11%synergy
Frantic Search
13%inclusion186 decks1.38K decks
-4%synergy
Inkshield
13%inclusion181 decks1.38K decks
4%synergy
Sink into Stupor
12%inclusion170 decks1.38K decks
0%synergy
Otherworldly Gaze
12%inclusion170 decks1.38K decks
10%synergy
Mana Drain
12%inclusion169 decks1.38K decks
-5%synergy
Force of Will
11%inclusion154 decks1.38K decks
-1%synergy
Silence
11%inclusion148 decks1.38K decks
1%synergy
Anguished Unmaking
10%inclusion141 decks1.38K decks
-15%synergy
Force of Negation
10%inclusion139 decks1.38K decks
-2%synergy
Negate
9.3%inclusion129 decks1.38K decks
-7%synergy
Flusterstorm
9.3%inclusion128 decks1.38K decks
1%synergy
Brainstorm
9.1%inclusion126 decks1.38K decks
-8%synergy
Demonic Consultation
9.1%inclusion125 decks1.38K decks
1%synergy
Tainted Pact
8.8%inclusion122 decks1.38K decks
2%synergy
Intuition
8.8%inclusion122 decks1.38K decks
7%synergy
Teferi's Protection
8.7%inclusion120 decks1.38K decks
-8%synergy
Borne Upon a Wind
8.5%inclusion117 decks1.38K decks
4%synergy
Mystical Tutor
8.3%inclusion114 decks1.38K decks
-3%synergy
Fell the Profane
8.2%inclusion113 decks1.38K decks
-1%synergy
Cabal Ritual
8.0%inclusion110 decks1.38K decks
5%synergy
Mental Misstep
7.5%inclusion104 decks1.38K decks
1%synergy
Mindbreak Trap
7.5%inclusion104 decks1.38K decks
1%synergy
Pact of Negation
7.2%inclusion100 decks1.38K decks
0%synergy
Generous Gift
6.2%inclusion85 decks1.38K decks
-8%synergy
Gifts Ungiven
6.0%inclusion83 decks1.38K decks
4%synergy
Utter End
5.2%inclusion72 decks1.38K decks
-1%synergy
Sorceries
Sevinne's Reclamation
42%inclusion573 decks1.38K decks
33%synergy
Redress Fate
41%inclusion560 decks1.38K decks
35%synergy
Extinguish All Hope
23%inclusion321 decks1.38K decks
22%synergy
Windfall
23%inclusion318 decks1.38K decks
10%synergy
Dance of the Manse
22%inclusion307 decks1.38K decks
19%synergy
Reanimate
20%inclusion273 decks1.38K decks
4%synergy
Singularity Rupture
15%inclusion57 decks374 decks
13%synergy
Toxic Deluge
15%inclusion203 decks1.38K decks
-5%synergy
Resurgent Belief
15%inclusion202 decks1.38K decks
13%synergy
Time Wipe
12%inclusion163 decks1.38K decks
5%synergy
Idyllic Tutor
11%inclusion156 decks1.38K decks
7%synergy
Damn
11%inclusion150 decks1.38K decks
-9%synergy
Replenish
10%inclusion141 decks1.38K decks
8%synergy
Space-Time Anomaly
8.8%inclusion32 decks364 decks
7%synergy
Glimpse the Unthinkable
8.8%inclusion121 decks1.38K decks
8%synergy
Supreme Verdict
8.6%inclusion118 decks1.38K decks
-6%synergy
Ponder
7.9%inclusion109 decks1.38K decks
-1%synergy
Imperial Seal
7.2%inclusion100 decks1.38K decks
0%synergy
Demonic Counsel
6.9%inclusion95 decks1.38K decks
6%synergy
Unmarked Grave
6.6%inclusion91 decks1.38K decks
5%synergy
Farewell
6.3%inclusion87 decks1.38K decks
-6%synergy
Brilliant Restoration
6.3%inclusion87 decks1.38K decks
4%synergy
Austere Command
6.2%inclusion85 decks1.38K decks
-3%synergy
Blasphemous Edict
5.9%inclusion52 decks874 decks
3%synergy
Buried Alive
5.4%inclusion74 decks1.38K decks
1%synergy
Utility Artifacts
Mesmeric Orb
18%inclusion246 decks1.38K decks
17%synergy
Cloud Key
14%inclusion191 decks1.38K decks
11%synergy
The One Ring
10%inclusion139 decks1.38K decks
-3%synergy
Lightning Greaves
10%inclusion139 decks1.38K decks
-13%synergy
Wishclaw Talisman
8.2%inclusion113 decks1.38K decks
0%synergy
Keys to the House
8.2%inclusion112 decks1.37K decks
8%synergy
Wayfarer's Bauble
5.5%inclusion76 decks1.38K decks
-2%synergy
Swiftfoot Boots
5.1%inclusion70 decks1.38K decks
-19%synergy
Enchantments
Sigil of the Empty Throne
45%inclusion621 decks1.38K decks
39%synergy
Propaganda
44%inclusion614 decks1.38K decks
16%synergy
Starfield of Nyx
41%inclusion572 decks1.38K decks
37%synergy
Grasp of Fate
41%inclusion562 decks1.38K decks
35%synergy
Cemetery Tampering
39%inclusion545 decks1.38K decks
39%synergy
Ghostly Prison
39%inclusion538 decks1.38K decks
17%synergy
Blind Obedience
38%inclusion527 decks1.38K decks
26%synergy
Seal of Cleansing
36%inclusion496 decks1.38K decks
34%synergy
Defiled Crypt // Cadaver Lab
34%inclusion466 decks1.37K decks
33%synergy
Amphibian Downpour
32%inclusion447 decks1.38K decks
28%synergy
Cacophony Unleashed
32%inclusion445 decks1.38K decks
31%synergy
Estrid's Invocation
31%inclusion425 decks1.38K decks
26%synergy
Polluted Cistern // Dim Oubliette
30%inclusion411 decks1.38K decks
29%synergy
Monologue Tax
29%inclusion401 decks1.38K decks
23%synergy
Dance of the Dead
29%inclusion398 decks1.38K decks
27%synergy
Shark Typhoon
29%inclusion398 decks1.38K decks
23%synergy
Darksteel Mutation
28%inclusion390 decks1.38K decks
22%synergy
Hallowed Haunting
24%inclusion333 decks1.38K decks
22%synergy
The Tale of Tamiyo
22%inclusion308 decks1.38K decks
22%synergy
Greater Auramancy
21%inclusion294 decks1.38K decks
17%synergy
All That Glitters
21%inclusion293 decks1.38K decks
13%synergy
Mirror Room // Fractured Realm
21%inclusion287 decks1.38K decks
19%synergy
Stillness in Motion
21%inclusion100 decks482 decks
20%synergy
Restricted Office // Lecture Hall
21%inclusion284 decks1.38K decks
19%synergy
Out of the Tombs
20%inclusion278 decks1.38K decks
20%synergy
Extravagant Replication
20%inclusion275 decks1.38K decks
15%synergy
The Meathook Massacre
20%inclusion273 decks1.38K decks
16%synergy
Copy Enchantment
19%inclusion269 decks1.38K decks
15%synergy
Black Market Connections
19%inclusion268 decks1.38K decks
5%synergy
Ethereal Armor
19%inclusion265 decks1.38K decks
15%synergy
Imprisoned in the Moon
19%inclusion263 decks1.38K decks
12%synergy
Dazzling Theater // Prop Room
19%inclusion258 decks1.37K decks
17%synergy
Cramped Vents // Access Maze
19%inclusion257 decks1.38K decks
16%synergy
Bottomless Pool // Locker Room
18%inclusion247 decks1.38K decks
16%synergy
Phyrexian Arena
18%inclusion246 decks1.38K decks
4%synergy
Seal of Removal
18%inclusion242 decks1.38K decks
17%synergy
Court of Cunning
17%inclusion240 decks1.38K decks
16%synergy
Touch the Spirit Realm
17%inclusion238 decks1.38K decks
15%synergy
Timely Ward
17%inclusion238 decks1.38K decks
12%synergy
Central Elevator // Promising Stairs
17%inclusion233 decks1.38K decks
16%synergy
Meat Locker // Drowned Diner
17%inclusion226 decks1.35K decks
16%synergy
Underwater Tunnel // Slimy Aquarium
16%inclusion225 decks1.37K decks
16%synergy
Sheltered by Ghosts
15%inclusion206 decks1.38K decks
12%synergy
Derelict Attic // Widow's Walk
15%inclusion201 decks1.36K decks
14%synergy
The Eldest Reborn
14%inclusion199 decks1.38K decks
12%synergy
Secrets of the Dead
14%inclusion198 decks1.38K decks
14%synergy
Leyline of Anticipation
14%inclusion196 decks1.38K decks
10%synergy
Trouble in Pairs
13%inclusion180 decks1.38K decks
8%synergy
Aura of Silence
13%inclusion178 decks1.38K decks
10%synergy
Static Prison
13%inclusion176 decks1.38K decks
12%synergy
Battles
Invasion of Theros
10%inclusion139 decks1.38K decks
8%synergy
Planeswalkers
Teferi, Time Raveler
8.3%inclusion115 decks1.38K decks
0%synergy
Utility Lands
Hall of Heliod's Generosity
63%inclusion875 decks1.38K decks
50%synergy
Bojuka Bog
40%inclusion552 decks1.38K decks
13%synergy
Otawara, Soaring City
24%inclusion334 decks1.38K decks
5%synergy
Reliquary Tower
16%inclusion218 decks1.38K decks
-18%synergy
Takenuma, Abandoned Mire
14%inclusion199 decks1.38K decks
8%synergy
Cephalid Coliseum
12%inclusion166 decks1.38K decks
8%synergy
Urborg, Tomb of Yawgmoth
12%inclusion166 decks1.38K decks
-1%synergy
Halimar Depths
11%inclusion155 decks1.38K decks
7%synergy
Serra's Sanctum
11%inclusion150 decks1.38K decks
9%synergy
Urza's Saga
10%inclusion142 decks1.38K decks
-1%synergy
Emergence Zone
6.4%inclusion88 decks1.38K decks
4%synergy
Adagia, Windswept Bastion
5.1%inclusion19 decks372 decks
3%synergy
Nephalia Drownyard
5.1%inclusion70 decks1.38K decks
5%synergy
Mana Artifacts
Arcane Signet
89%inclusion1.23K decks1.38K decks
1%synergy
Sol Ring
88%inclusion1.22K decks1.38K decks
-2%synergy
Talisman of Dominance
52%inclusion723 decks1.38K decks
3%synergy
Talisman of Progress
49%inclusion677 decks1.38K decks
5%synergy
Talisman of Hierarchy
44%inclusion614 decks1.38K decks
0%synergy
Azorius Signet
37%inclusion506 decks1.38K decks
6%synergy
Orzhov Signet
34%inclusion475 decks1.38K decks
2%synergy
Fellwar Stone
32%inclusion444 decks1.38K decks
-1%synergy
Dimir Signet
25%inclusion345 decks1.38K decks
-6%synergy
Mind Stone
15%inclusion212 decks1.38K decks
3%synergy
Commander's Sphere
11%inclusion156 decks1.38K decks
-7%synergy
Mana Vault
11%inclusion153 decks1.38K decks
2%synergy
Lotus Petal
10%inclusion143 decks1.38K decks
0%synergy
Chrome Mox
10%inclusion132 decks1.38K decks
0%synergy
Mox Diamond
7.8%inclusion107 decks1.38K decks
1%synergy
Mox Opal
7.4%inclusion102 decks1.38K decks
-1%synergy
Lion's Eye Diamond
6.7%inclusion92 decks1.38K decks
5%synergy
Chromatic Lantern
6.4%inclusion89 decks1.38K decks
-6%synergy
Thought Vessel
5.2%inclusion72 decks1.38K decks
-20%synergy
Lands
Command Tower
93%inclusion1.29K decks1.38K decks
1%synergy
Island
93%inclusion1.28K decks1.38K decks
0%synergy
Swamp
92%inclusion1.26K decks1.38K decks
0%synergy
Plains
91%inclusion1.26K decks1.38K decks
-1%synergy
Hallowed Fountain
55%inclusion761 decks1.38K decks
5%synergy
Arcane Sanctum
54%inclusion752 decks1.38K decks
0%synergy
Godless Shrine
54%inclusion750 decks1.38K decks
3%synergy
Watery Grave
54%inclusion742 decks1.38K decks
3%synergy
Exotic Orchard
51%inclusion709 decks1.38K decks
-7%synergy
Caves of Koilos
51%inclusion706 decks1.38K decks
16%synergy
Adarkar Wastes
49%inclusion680 decks1.38K decks
17%synergy
Flooded Strand
47%inclusion653 decks1.38K decks
9%synergy
Polluted Delta
46%inclusion640 decks1.38K decks
9%synergy
Underground River
46%inclusion635 decks1.38K decks
12%synergy
Raffine's Tower
44%inclusion606 decks1.38K decks
3%synergy
Marsh Flats
44%inclusion603 decks1.38K decks
8%synergy
Sea of Clouds
40%inclusion555 decks1.38K decks
5%synergy
Morphic Pool
39%inclusion532 decks1.38K decks
5%synergy
Vault of Champions
38%inclusion530 decks1.38K decks
6%synergy
Valgavoth's Lair
36%inclusion496 decks1.38K decks
33%synergy
Undercity Sewers
34%inclusion475 decks1.38K decks
20%synergy
Isolated Chapel
34%inclusion474 decks1.38K decks
-6%synergy
Glacial Fortress
34%inclusion473 decks1.38K decks
-8%synergy
Meticulous Archive
32%inclusion439 decks1.38K decks
18%synergy
Shadowy Backstreet
32%inclusion437 decks1.38K decks
19%synergy
Drowned Catacomb
29%inclusion402 decks1.38K decks
-8%synergy
Temple of Enlightenment
25%inclusion344 decks1.38K decks
9%synergy
Terramorphic Expanse
24%inclusion326 decks1.38K decks
8%synergy
Temple of Silence
24%inclusion325 decks1.38K decks
5%synergy
Evolving Wilds
23%inclusion324 decks1.38K decks
-1%synergy
Obscura Storefront
23%inclusion324 decks1.38K decks
14%synergy
Prairie Stream
23%inclusion322 decks1.38K decks
-17%synergy
Temple of Deceit
23%inclusion312 decks1.38K decks
5%synergy
Sunken Hollow
22%inclusion303 decks1.38K decks
-18%synergy
Azorius Chancery
21%inclusion294 decks1.38K decks
8%synergy
Deserted Beach
21%inclusion283 decks1.38K decks
0%synergy
Floodfarm Verge
21%inclusion283 decks1.38K decks
9%synergy
Contaminated Landscape
20%inclusion277 decks1.38K decks
6%synergy
Dimir Aqueduct
20%inclusion275 decks1.38K decks
7%synergy
Tainted Field
20%inclusion272 decks1.38K decks
13%synergy
Gloomlake Verge
19%inclusion268 decks1.38K decks
8%synergy
Shipwreck Marsh
19%inclusion263 decks1.38K decks
-1%synergy
Orzhov Basilica
19%inclusion263 decks1.38K decks
4%synergy
Tainted Isle
19%inclusion260 decks1.38K decks
13%synergy
Scrubland
17%inclusion228 decks1.38K decks
1%synergy
Tundra
16%inclusion223 decks1.38K decks
0%synergy
Underground Sea
16%inclusion220 decks1.38K decks
0%synergy
City of Brass
15%inclusion207 decks1.38K decks
0%synergy
Bloodstained Mire
14%inclusion189 decks1.38K decks
3%synergy
Scalding Tarn
13%inclusion180 decks1.38K decks
2%synergy