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
Noggle the Mind
4.1%inclusion6 decks145 decks
3%synergy
Twilight Diviner
2.8%inclusion4 decks145 decks
1%synergy
Mornsong Aria
2.0%inclusion3 decks153 decks
1%synergy
Paramecia Coloniex
1.4%inclusion1 decks74 decks
1%synergy
Retro-Mutation
1.3%inclusion1 decks75 decks
1%synergy
High Synergy Cards
Inquisitive Glimmer
77%inclusion1.04K decks1.35K decks
69%synergy
Ripples of Undeath
68%inclusion923 decks1.35K decks
66%synergy
Entity Tracker
67%inclusion903 decks1.35K decks
61%synergy
Mesa Enchantress
69%inclusion935 decks1.35K decks
60%synergy
Starfield Mystic
65%inclusion885 decks1.35K decks
59%synergy
Demon of Fate's Design
62%inclusion840 decks1.35K decks
57%synergy
Gravebreaker Lamia
57%inclusion772 decks1.35K decks
56%synergy
Fear of Sleep Paralysis
59%inclusion803 decks1.35K decks
54%synergy
Animate Dead
63%inclusion855 decks1.35K decks
54%synergy
Dress Down
55%inclusion740 decks1.35K decks
52%synergy
Top Cards
Doomwake Giant
58%inclusion782 decks1.35K decks
52%synergy
Swords to Plowshares
57%inclusion766 decks1.35K decks
-11%synergy
Mystic Remora
56%inclusion761 decks1.35K decks
35%synergy
Secret Arcade // Dusty Parlor
52%inclusion707 decks1.35K decks
48%synergy
Sphere of Safety
52%inclusion704 decks1.35K decks
43%synergy
Scrabbling Skullcrab
51%inclusion693 decks1.35K decks
50%synergy
Ondu Spiritdancer
50%inclusion678 decks1.35K decks
44%synergy
Mirrormade
49%inclusion669 decks1.35K decks
40%synergy
Necromancy
49%inclusion657 decks1.35K decks
44%synergy
Overlord of the Floodpits
48%inclusion653 decks1.35K decks
45%synergy
Game Changers
Smothering Tithe
51%inclusion694 decks1.35K decks
20%synergy
Rhystic Study
43%inclusion584 decks1.35K decks
12%synergy
Enlightened Tutor
27%inclusion368 decks1.35K decks
8%synergy
Demonic Tutor
18%inclusion241 decks1.35K decks
-3%synergy
Cyclonic Rift
17%inclusion236 decks1.35K decks
-6%synergy
Vampiric Tutor
16%inclusion214 decks1.35K decks
-1%synergy
Fierce Guardianship
16%inclusion211 decks1.35K decks
-5%synergy
Ancient Tomb
15%inclusion202 decks1.35K decks
2%synergy
Thassa's Oracle
15%inclusion200 decks1.35K decks
6%synergy
Necropotence
14%inclusion185 decks1.35K decks
7%synergy
Creatures
Overlord of the Balemurk
47%inclusion631 decks1.35K decks
45%synergy
Victor, Valgavoth's Seneschal
46%inclusion616 decks1.35K decks
44%synergy
Zur, Eternal Schemer
43%inclusion584 decks1.35K decks
40%synergy
Ghostly Dancers
40%inclusion543 decks1.35K decks
38%synergy
Fear of Impostors
40%inclusion540 decks1.35K decks
38%synergy
Soaring Lightbringer
33%inclusion443 decks1.35K decks
28%synergy
Enduring Curiosity
32%inclusion435 decks1.35K decks
24%synergy
Heliod, the Radiant Dawn
32%inclusion434 decks1.35K decks
28%synergy
Silent Hallcreeper
32%inclusion429 decks1.35K decks
27%synergy
Grim Guardian
29%inclusion388 decks1.35K decks
26%synergy
Archon of Sun's Grace
28%inclusion382 decks1.35K decks
24%synergy
Zur the Enchanter
27%inclusion369 decks1.35K decks
22%synergy
Aminatou, Veil Piercer
25%inclusion334 decks1.35K decks
23%synergy
Moon-Blessed Cleric
22%inclusion301 decks1.35K decks
18%synergy
Mindwrack Harpy
20%inclusion272 decks1.35K decks
20%synergy
Abdel Adrian, Gorion's Ward
20%inclusion268 decks1.35K decks
18%synergy
Athreos, Shroud-Veiled
19%inclusion252 decks1.35K decks
14%synergy
Overlord of the Mistmoors
19%inclusion251 decks1.35K decks
17%synergy
Esper Sentinel
19%inclusion251 decks1.35K decks
-9%synergy
Ancient Cellarspawn
17%inclusion228 decks1.35K decks
14%synergy
Alseid of Life's Bounty
16%inclusion218 decks1.35K decks
15%synergy
Lotho, Corrupt Shirriff
15%inclusion201 decks1.35K decks
-2%synergy
Spirited Companion
15%inclusion200 decks1.35K decks
13%synergy
Gremlin Tamer
15%inclusion199 decks1.35K decks
14%synergy
Archetype of Imagination
15%inclusion197 decks1.35K decks
10%synergy
Sage of Mysteries
14%inclusion194 decks1.35K decks
14%synergy
Grand Abolisher
14%inclusion183 decks1.35K decks
-1%synergy
Skullsnap Nuisance
13%inclusion181 decks1.35K decks
13%synergy
Nashi, Searcher in the Dark
13%inclusion178 decks1.35K decks
13%synergy
Balemurk Leech
13%inclusion177 decks1.35K decks
12%synergy
Valley Floodcaller
13%inclusion170 decks1.35K decks
9%synergy
Hullbreaker Horror
11%inclusion154 decks1.35K decks
5%synergy
Fear of Infinity
11%inclusion143 decks1.35K decks
10%synergy
Starnheim Courser
10%inclusion141 decks1.35K decks
7%synergy
Orcish Bowmasters
10%inclusion133 decks1.35K decks
-1%synergy
Voice of Victory
10%inclusion44 decks457 decks
1%synergy
Displacer Kitten
10%inclusion129 decks1.35K decks
3%synergy
Stenn, Paranoid Partisan
9.5%inclusion128 decks1.35K decks
8%synergy
Summon: Yojimbo
9.3%inclusion37 decks398 decks
8%synergy
Wan Shi Tong, Librarian
9.2%inclusion21 decks229 decks
4%synergy
Nightmare Shepherd
8.4%inclusion114 decks1.35K decks
6%synergy
Ledger Shredder
8.3%inclusion112 decks1.35K decks
0%synergy
Auramancer
7.9%inclusion107 decks1.35K decks
5%synergy
Ranger-Captain of Eos
7.3%inclusion99 decks1.35K decks
1%synergy
Hedron Crab
7.2%inclusion97 decks1.35K decks
7%synergy
Lurrus of the Dream-Den
6.9%inclusion93 decks1.35K decks
5%synergy
Enduring Tenacity
6.6%inclusion89 decks1.35K decks
-1%synergy
Witch Enchanter
6.6%inclusion89 decks1.35K decks
0%synergy
Emet-Selch of the Third Seat
6.5%inclusion26 decks399 decks
-3%synergy
Underworld Coinsmith
6.1%inclusion83 decks1.35K decks
5%synergy
Instants
Entomb
33%inclusion445 decks1.35K decks
26%synergy
Path to Exile
31%inclusion414 decks1.35K decks
-12%synergy
Counterspell
30%inclusion407 decks1.35K decks
-12%synergy
Arcane Denial
29%inclusion397 decks1.35K decks
9%synergy
Dark Ritual
24%inclusion324 decks1.35K decks
4%synergy
An Offer You Can't Refuse
23%inclusion316 decks1.35K decks
-4%synergy
Void Rend
20%inclusion264 decks1.35K decks
-15%synergy
Thirst for Meaning
18%inclusion245 decks1.35K decks
17%synergy
Swan Song
17%inclusion232 decks1.35K decks
-3%synergy
Dovin's Veto
15%inclusion204 decks1.35K decks
-11%synergy
Frantic Search
14%inclusion183 decks1.35K decks
-4%synergy
Inkshield
13%inclusion177 decks1.35K decks
4%synergy
Otherworldly Gaze
13%inclusion170 decks1.35K decks
10%synergy
Mana Drain
12%inclusion167 decks1.35K decks
-5%synergy
Sink into Stupor
12%inclusion166 decks1.35K decks
0%synergy
Force of Will
11%inclusion150 decks1.35K decks
-1%synergy
Silence
11%inclusion145 decks1.35K decks
1%synergy
Anguished Unmaking
10%inclusion138 decks1.35K decks
-15%synergy
Force of Negation
10%inclusion136 decks1.35K decks
-2%synergy
Negate
10%inclusion130 decks1.35K decks
-7%synergy
Brainstorm
9.2%inclusion125 decks1.35K decks
-8%synergy
Flusterstorm
9.2%inclusion124 decks1.35K decks
1%synergy
Demonic Consultation
9.0%inclusion122 decks1.35K decks
1%synergy
Intuition
8.9%inclusion121 decks1.35K decks
7%synergy
Tainted Pact
8.9%inclusion120 decks1.35K decks
2%synergy
Teferi's Protection
8.7%inclusion117 decks1.35K decks
-8%synergy
Borne Upon a Wind
8.5%inclusion115 decks1.35K decks
4%synergy
Fell the Profane
8.3%inclusion112 decks1.35K decks
-1%synergy
Mystical Tutor
8.3%inclusion112 decks1.35K decks
-3%synergy
Cabal Ritual
7.7%inclusion104 decks1.35K decks
4%synergy
Mindbreak Trap
7.6%inclusion103 decks1.35K decks
1%synergy
Mental Misstep
7.5%inclusion101 decks1.35K decks
1%synergy
Pact of Negation
7.2%inclusion97 decks1.35K decks
0%synergy
Generous Gift
6.1%inclusion83 decks1.35K decks
-8%synergy
Gifts Ungiven
5.8%inclusion79 decks1.35K decks
3%synergy
Utter End
5.2%inclusion70 decks1.35K decks
-1%synergy
Sorceries
Sevinne's Reclamation
41%inclusion561 decks1.35K decks
33%synergy
Redress Fate
41%inclusion554 decks1.35K decks
35%synergy
Extinguish All Hope
23%inclusion317 decks1.35K decks
22%synergy
Windfall
23%inclusion316 decks1.35K decks
10%synergy
Dance of the Manse
22%inclusion302 decks1.35K decks
19%synergy
Reanimate
20%inclusion268 decks1.35K decks
4%synergy
Singularity Rupture
16%inclusion56 decks342 decks
14%synergy
Resurgent Belief
15%inclusion199 decks1.35K decks
13%synergy
Toxic Deluge
15%inclusion199 decks1.35K decks
-5%synergy
Time Wipe
12%inclusion163 decks1.35K decks
5%synergy
Idyllic Tutor
11%inclusion152 decks1.35K decks
7%synergy
Damn
11%inclusion146 decks1.35K decks
-10%synergy
Replenish
10%inclusion136 decks1.35K decks
8%synergy
Space-Time Anomaly
9.3%inclusion31 decks332 decks
8%synergy
Supreme Verdict
8.7%inclusion117 decks1.35K decks
-6%synergy
Glimpse the Unthinkable
8.5%inclusion115 decks1.35K decks
8%synergy
Ponder
8.0%inclusion108 decks1.35K decks
-1%synergy
Imperial Seal
7.2%inclusion98 decks1.35K decks
0%synergy
Demonic Counsel
7.0%inclusion95 decks1.35K decks
6%synergy
Unmarked Grave
6.7%inclusion91 decks1.35K decks
5%synergy
Brilliant Restoration
6.5%inclusion88 decks1.35K decks
5%synergy
Farewell
6.4%inclusion86 decks1.35K decks
-6%synergy
Austere Command
6.2%inclusion84 decks1.35K decks
-3%synergy
Blasphemous Edict
5.9%inclusion50 decks845 decks
3%synergy
Buried Alive
5.2%inclusion70 decks1.35K decks
1%synergy
Lively Dirge
5.1%inclusion69 decks1.35K decks
4%synergy
Utility Artifacts
Mesmeric Orb
18%inclusion244 decks1.35K decks
17%synergy
Cloud Key
14%inclusion188 decks1.35K decks
11%synergy
The One Ring
10%inclusion138 decks1.35K decks
-3%synergy
Lightning Greaves
10%inclusion136 decks1.35K decks
-13%synergy
Wishclaw Talisman
8.3%inclusion112 decks1.35K decks
0%synergy
Keys to the House
8.1%inclusion109 decks1.34K decks
8%synergy
Wayfarer's Bauble
5.7%inclusion77 decks1.35K decks
-2%synergy
Swiftfoot Boots
5.0%inclusion68 decks1.35K decks
-19%synergy
Enchantments
Sigil of the Empty Throne
45%inclusion611 decks1.35K decks
39%synergy
Propaganda
45%inclusion606 decks1.35K decks
17%synergy
Starfield of Nyx
41%inclusion560 decks1.35K decks
37%synergy
Grasp of Fate
41%inclusion548 decks1.35K decks
34%synergy
Cemetery Tampering
40%inclusion541 decks1.35K decks
39%synergy
Ghostly Prison
39%inclusion530 decks1.35K decks
17%synergy
Blind Obedience
38%inclusion518 decks1.35K decks
26%synergy
Seal of Cleansing
36%inclusion485 decks1.35K decks
34%synergy
Defiled Crypt // Cadaver Lab
34%inclusion463 decks1.34K decks
34%synergy
Amphibian Downpour
32%inclusion436 decks1.35K decks
28%synergy
Cacophony Unleashed
32%inclusion434 decks1.35K decks
30%synergy
Estrid's Invocation
31%inclusion417 decks1.35K decks
26%synergy
Polluted Cistern // Dim Oubliette
30%inclusion406 decks1.35K decks
30%synergy
Shark Typhoon
30%inclusion400 decks1.35K decks
24%synergy
Monologue Tax
29%inclusion395 decks1.35K decks
23%synergy
Dance of the Dead
29%inclusion388 decks1.35K decks
27%synergy
Darksteel Mutation
28%inclusion380 decks1.35K decks
22%synergy
Hallowed Haunting
24%inclusion326 decks1.35K decks
22%synergy
The Tale of Tamiyo
22%inclusion304 decks1.35K decks
22%synergy
Stillness in Motion
22%inclusion98 decks451 decks
21%synergy
Greater Auramancy
21%inclusion290 decks1.35K decks
17%synergy
All That Glitters
21%inclusion289 decks1.35K decks
13%synergy
Mirror Room // Fractured Realm
21%inclusion286 decks1.35K decks
19%synergy
Restricted Office // Lecture Hall
21%inclusion281 decks1.35K decks
19%synergy
Out of the Tombs
20%inclusion276 decks1.35K decks
20%synergy
The Meathook Massacre
20%inclusion270 decks1.35K decks
17%synergy
Extravagant Replication
20%inclusion269 decks1.35K decks
15%synergy
Copy Enchantment
20%inclusion265 decks1.35K decks
15%synergy
Black Market Connections
19%inclusion263 decks1.35K decks
5%synergy
Imprisoned in the Moon
19%inclusion261 decks1.35K decks
13%synergy
Ethereal Armor
19%inclusion258 decks1.35K decks
14%synergy
Cramped Vents // Access Maze
19%inclusion254 decks1.35K decks
16%synergy
Dazzling Theater // Prop Room
19%inclusion252 decks1.34K decks
17%synergy
Phyrexian Arena
18%inclusion244 decks1.35K decks
4%synergy
Bottomless Pool // Locker Room
18%inclusion242 decks1.35K decks
16%synergy
Court of Cunning
18%inclusion241 decks1.35K decks
17%synergy
Seal of Removal
18%inclusion237 decks1.35K decks
17%synergy
Touch the Spirit Realm
17%inclusion236 decks1.35K decks
15%synergy
Timely Ward
17%inclusion234 decks1.35K decks
12%synergy
Central Elevator // Promising Stairs
17%inclusion231 decks1.35K decks
16%synergy
Meat Locker // Drowned Diner
17%inclusion221 decks1.33K decks
16%synergy
Underwater Tunnel // Slimy Aquarium
17%inclusion223 decks1.34K decks
16%synergy
Derelict Attic // Widow's Walk
15%inclusion199 decks1.33K decks
15%synergy
The Eldest Reborn
14%inclusion195 decks1.35K decks
12%synergy
Sheltered by Ghosts
14%inclusion195 decks1.35K decks
12%synergy
Secrets of the Dead
14%inclusion195 decks1.35K decks
14%synergy
Leyline of Anticipation
14%inclusion192 decks1.35K decks
10%synergy
Trouble in Pairs
13%inclusion177 decks1.35K decks
8%synergy
Static Prison
13%inclusion176 decks1.35K decks
13%synergy
Aura of Silence
13%inclusion175 decks1.35K decks
10%synergy
Battles
Invasion of Theros
10%inclusion139 decks1.35K decks
9%synergy
Planeswalkers
Teferi, Time Raveler
8.4%inclusion114 decks1.35K decks
0%synergy
Utility Lands
Hall of Heliod's Generosity
63%inclusion858 decks1.35K decks
50%synergy
Bojuka Bog
40%inclusion543 decks1.35K decks
13%synergy
Otawara, Soaring City
24%inclusion324 decks1.35K decks
5%synergy
Reliquary Tower
16%inclusion213 decks1.35K decks
-18%synergy
Takenuma, Abandoned Mire
14%inclusion196 decks1.35K decks
8%synergy
Cephalid Coliseum
12%inclusion165 decks1.35K decks
9%synergy
Urborg, Tomb of Yawgmoth
12%inclusion161 decks1.35K decks
-1%synergy
Halimar Depths
11%inclusion152 decks1.35K decks
7%synergy
Serra's Sanctum
11%inclusion146 decks1.35K decks
9%synergy
Urza's Saga
10%inclusion135 decks1.35K decks
-2%synergy
Emergence Zone
6.4%inclusion87 decks1.35K decks
4%synergy
Nephalia Drownyard
5.1%inclusion69 decks1.35K decks
5%synergy
Adagia, Windswept Bastion
5.0%inclusion17 decks340 decks
3%synergy
Mana Artifacts
Arcane Signet
89%inclusion1.21K decks1.35K decks
1%synergy
Sol Ring
88%inclusion1.19K decks1.35K decks
-2%synergy
Talisman of Dominance
52%inclusion706 decks1.35K decks
3%synergy
Talisman of Progress
49%inclusion662 decks1.35K decks
5%synergy
Talisman of Hierarchy
44%inclusion594 decks1.35K decks
0%synergy
Azorius Signet
36%inclusion493 decks1.35K decks
5%synergy
Orzhov Signet
34%inclusion465 decks1.35K decks
1%synergy
Fellwar Stone
32%inclusion433 decks1.35K decks
-1%synergy
Dimir Signet
25%inclusion335 decks1.35K decks
-6%synergy
Mind Stone
16%inclusion212 decks1.35K decks
3%synergy
Commander's Sphere
12%inclusion156 decks1.35K decks
-7%synergy
Mana Vault
11%inclusion150 decks1.35K decks
2%synergy
Lotus Petal
10%inclusion141 decks1.35K decks
0%synergy
Chrome Mox
10%inclusion129 decks1.35K decks
0%synergy
Mox Diamond
7.8%inclusion105 decks1.35K decks
1%synergy
Mox Opal
7.2%inclusion98 decks1.35K decks
-1%synergy
Chromatic Lantern
6.7%inclusion90 decks1.35K decks
-6%synergy
Lion's Eye Diamond
6.6%inclusion89 decks1.35K decks
4%synergy
Thought Vessel
5.4%inclusion73 decks1.35K decks
-19%synergy
Lands
Command Tower
93%inclusion1.26K decks1.35K decks
1%synergy
Island
93%inclusion1.25K decks1.35K decks
0%synergy
Swamp
92%inclusion1.24K decks1.35K decks
0%synergy
Plains
91%inclusion1.23K decks1.35K decks
-1%synergy
Hallowed Fountain
55%inclusion737 decks1.35K decks
4%synergy
Arcane Sanctum
54%inclusion736 decks1.35K decks
0%synergy
Godless Shrine
54%inclusion729 decks1.35K decks
3%synergy
Watery Grave
53%inclusion722 decks1.35K decks
3%synergy
Exotic Orchard
51%inclusion694 decks1.35K decks
-7%synergy
Caves of Koilos
51%inclusion693 decks1.35K decks
16%synergy
Adarkar Wastes
49%inclusion665 decks1.35K decks
18%synergy
Flooded Strand
47%inclusion637 decks1.35K decks
9%synergy
Polluted Delta
46%inclusion624 decks1.35K decks
8%synergy
Underground River
46%inclusion619 decks1.35K decks
12%synergy
Raffine's Tower
44%inclusion589 decks1.35K decks
3%synergy
Marsh Flats
43%inclusion588 decks1.35K decks
7%synergy
Sea of Clouds
40%inclusion545 decks1.35K decks
5%synergy
Morphic Pool
39%inclusion522 decks1.35K decks
5%synergy
Vault of Champions
38%inclusion516 decks1.35K decks
6%synergy
Valgavoth's Lair
35%inclusion479 decks1.35K decks
33%synergy
Undercity Sewers
34%inclusion463 decks1.35K decks
20%synergy
Isolated Chapel
34%inclusion459 decks1.35K decks
-6%synergy
Glacial Fortress
34%inclusion459 decks1.35K decks
-8%synergy
Meticulous Archive
32%inclusion426 decks1.35K decks
18%synergy
Shadowy Backstreet
31%inclusion424 decks1.35K decks
19%synergy
Drowned Catacomb
29%inclusion389 decks1.35K decks
-8%synergy
Temple of Enlightenment
25%inclusion339 decks1.35K decks
9%synergy
Temple of Silence
24%inclusion323 decks1.35K decks
5%synergy
Terramorphic Expanse
24%inclusion321 decks1.35K decks
8%synergy
Evolving Wilds
24%inclusion321 decks1.35K decks
-1%synergy
Obscura Storefront
24%inclusion321 decks1.35K decks
14%synergy
Prairie Stream
23%inclusion316 decks1.35K decks
-17%synergy
Temple of Deceit
23%inclusion306 decks1.35K decks
5%synergy
Sunken Hollow
22%inclusion295 decks1.35K decks
-18%synergy
Azorius Chancery
22%inclusion292 decks1.35K decks
8%synergy
Contaminated Landscape
20%inclusion275 decks1.35K decks
6%synergy
Deserted Beach
20%inclusion275 decks1.35K decks
0%synergy
Floodfarm Verge
20%inclusion273 decks1.35K decks
9%synergy
Dimir Aqueduct
20%inclusion272 decks1.35K decks
7%synergy
Tainted Field
20%inclusion268 decks1.35K decks
13%synergy
Gloomlake Verge
19%inclusion263 decks1.35K decks
8%synergy
Orzhov Basilica
19%inclusion260 decks1.35K decks
4%synergy
Tainted Isle
19%inclusion257 decks1.35K decks
13%synergy
Shipwreck Marsh
19%inclusion256 decks1.35K decks
-2%synergy
Scrubland
16%inclusion220 decks1.35K decks
0%synergy
Tundra
16%inclusion216 decks1.35K decks
0%synergy
Underground Sea
16%inclusion212 decks1.35K decks
0%synergy
City of Brass
15%inclusion201 decks1.35K decks
0%synergy
Bloodstained Mire
14%inclusion185 decks1.35K decks
3%synergy
Scalding Tarn
13%inclusion176 decks1.35K decks
2%synergy