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
Wan Shi Tong, Librarian
10%inclusion9 decks88 decks
6%synergy
Waterbender Ascension
1.4%inclusion1 decks72 decks
0%synergy
Honest Work
1.1%inclusion1 decks88 decks
1%synergy
Airbender Ascension
1.1%inclusion1 decks88 decks
1%synergy
Bender's Waterskin
1.1%inclusion2 decks190 decks
-1%synergy
High Synergy Cards
Inquisitive Glimmer
77%inclusion1.02K decks1.32K decks
70%synergy
Ripples of Undeath
69%inclusion908 decks1.32K decks
66%synergy
Mesa Enchantress
70%inclusion926 decks1.32K decks
61%synergy
Entity Tracker
67%inclusion880 decks1.32K decks
60%synergy
Starfield Mystic
67%inclusion879 decks1.32K decks
60%synergy
Gravebreaker Lamia
59%inclusion780 decks1.32K decks
58%synergy
Demon of Fate's Design
63%inclusion834 decks1.32K decks
58%synergy
Fear of Sleep Paralysis
61%inclusion804 decks1.32K decks
55%synergy
Animate Dead
64%inclusion844 decks1.32K decks
54%synergy
Dress Down
55%inclusion726 decks1.32K decks
53%synergy
Top Cards
Doomwake Giant
59%inclusion771 decks1.32K decks
53%synergy
Swords to Plowshares
57%inclusion750 decks1.32K decks
-11%synergy
Mystic Remora
57%inclusion749 decks1.32K decks
35%synergy
Secret Arcade // Dusty Parlor
53%inclusion701 decks1.32K decks
48%synergy
Sphere of Safety
53%inclusion693 decks1.32K decks
43%synergy
Ondu Spiritdancer
52%inclusion687 decks1.32K decks
46%synergy
Scrabbling Skullcrab
52%inclusion685 decks1.32K decks
51%synergy
Mirrormade
49%inclusion648 decks1.32K decks
39%synergy
Necromancy
49%inclusion643 decks1.32K decks
44%synergy
Overlord of the Floodpits
49%inclusion641 decks1.32K decks
45%synergy
Game Changers
Smothering Tithe
52%inclusion690 decks1.32K decks
20%synergy
Rhystic Study
44%inclusion578 decks1.32K decks
11%synergy
Enlightened Tutor
27%inclusion362 decks1.32K decks
7%synergy
Cyclonic Rift
18%inclusion239 decks1.32K decks
-7%synergy
Demonic Tutor
18%inclusion234 decks1.32K decks
-4%synergy
Vampiric Tutor
16%inclusion206 decks1.32K decks
-3%synergy
Fierce Guardianship
16%inclusion205 decks1.32K decks
-5%synergy
Thassa's Oracle
15%inclusion195 decks1.32K decks
5%synergy
Ancient Tomb
15%inclusion194 decks1.32K decks
1%synergy
Necropotence
13%inclusion177 decks1.32K decks
7%synergy
Creatures
Overlord of the Balemurk
48%inclusion627 decks1.32K decks
46%synergy
Victor, Valgavoth's Seneschal
46%inclusion612 decks1.32K decks
44%synergy
Zur, Eternal Schemer
44%inclusion575 decks1.32K decks
40%synergy
Ghostly Dancers
41%inclusion534 decks1.32K decks
38%synergy
Fear of Impostors
40%inclusion531 decks1.32K decks
39%synergy
Soaring Lightbringer
34%inclusion446 decks1.32K decks
29%synergy
Enduring Curiosity
33%inclusion435 decks1.32K decks
26%synergy
Heliod, the Radiant Dawn
33%inclusion432 decks1.32K decks
29%synergy
Silent Hallcreeper
32%inclusion421 decks1.32K decks
28%synergy
Grim Guardian
29%inclusion380 decks1.32K decks
26%synergy
Archon of Sun's Grace
29%inclusion376 decks1.32K decks
24%synergy
Zur the Enchanter
27%inclusion359 decks1.32K decks
22%synergy
Aminatou, Veil Piercer
26%inclusion336 decks1.32K decks
24%synergy
Moon-Blessed Cleric
23%inclusion304 decks1.32K decks
18%synergy
Mindwrack Harpy
21%inclusion280 decks1.32K decks
21%synergy
Abdel Adrian, Gorion's Ward
20%inclusion261 decks1.32K decks
18%synergy
Overlord of the Mistmoors
19%inclusion251 decks1.32K decks
17%synergy
Athreos, Shroud-Veiled
19%inclusion250 decks1.32K decks
15%synergy
Esper Sentinel
18%inclusion237 decks1.32K decks
-10%synergy
Ancient Cellarspawn
17%inclusion229 decks1.32K decks
14%synergy
Alseid of Life's Bounty
16%inclusion216 decks1.32K decks
15%synergy
Spirited Companion
16%inclusion206 decks1.32K decks
14%synergy
Archetype of Imagination
15%inclusion199 decks1.32K decks
10%synergy
Gremlin Tamer
15%inclusion198 decks1.32K decks
14%synergy
Sage of Mysteries
14%inclusion188 decks1.32K decks
14%synergy
Lotho, Corrupt Shirriff
14%inclusion186 decks1.32K decks
-3%synergy
Grand Abolisher
14%inclusion179 decks1.32K decks
-1%synergy
Balemurk Leech
13%inclusion172 decks1.32K decks
12%synergy
Nashi, Searcher in the Dark
13%inclusion171 decks1.32K decks
13%synergy
Skullsnap Nuisance
13%inclusion171 decks1.32K decks
13%synergy
Valley Floodcaller
12%inclusion159 decks1.32K decks
8%synergy
Hullbreaker Horror
12%inclusion156 decks1.32K decks
6%synergy
Voice of Victory
11%inclusion40 decks356 decks
3%synergy
Fear of Infinity
11%inclusion145 decks1.32K decks
10%synergy
Starnheim Courser
11%inclusion141 decks1.32K decks
7%synergy
Displacer Kitten
10%inclusion129 decks1.32K decks
2%synergy
Orcish Bowmasters
10%inclusion126 decks1.32K decks
-2%synergy
Stenn, Paranoid Partisan
9.2%inclusion121 decks1.32K decks
8%synergy
Summon: Yojimbo
8.5%inclusion25 decks294 decks
7%synergy
Nightmare Shepherd
8.4%inclusion111 decks1.32K decks
6%synergy
Auramancer
8.2%inclusion108 decks1.32K decks
5%synergy
Ledger Shredder
7.9%inclusion104 decks1.32K decks
-1%synergy
Ranger-Captain of Eos
7.0%inclusion92 decks1.32K decks
0%synergy
Lurrus of the Dream-Den
6.9%inclusion91 decks1.32K decks
5%synergy
Enduring Tenacity
6.9%inclusion91 decks1.32K decks
0%synergy
Solemn Simulacrum
6.3%inclusion83 decks1.32K decks
-9%synergy
Witch Enchanter
6.3%inclusion83 decks1.32K decks
-1%synergy
Underworld Coinsmith
6.2%inclusion81 decks1.32K decks
5%synergy
Emet-Selch of the Third Seat
6.1%inclusion18 decks295 decks
-4%synergy
Fear of Surveillance
6.1%inclusion80 decks1.32K decks
6%synergy
Instants
Entomb
33%inclusion432 decks1.32K decks
26%synergy
Path to Exile
31%inclusion407 decks1.32K decks
-11%synergy
Arcane Denial
30%inclusion392 decks1.32K decks
9%synergy
Counterspell
30%inclusion391 decks1.32K decks
-11%synergy
Dark Ritual
24%inclusion310 decks1.32K decks
4%synergy
An Offer You Can't Refuse
23%inclusion303 decks1.32K decks
-3%synergy
Void Rend
19%inclusion255 decks1.32K decks
-14%synergy
Thirst for Meaning
19%inclusion246 decks1.32K decks
17%synergy
Swan Song
17%inclusion221 decks1.32K decks
-3%synergy
Dovin's Veto
14%inclusion182 decks1.32K decks
-11%synergy
Inkshield
14%inclusion180 decks1.32K decks
5%synergy
Frantic Search
13%inclusion173 decks1.32K decks
-4%synergy
Otherworldly Gaze
13%inclusion171 decks1.32K decks
11%synergy
Mana Drain
13%inclusion168 decks1.32K decks
-5%synergy
Sink into Stupor
12%inclusion156 decks1.32K decks
-1%synergy
Force of Will
11%inclusion145 decks1.32K decks
-2%synergy
Anguished Unmaking
11%inclusion139 decks1.32K decks
-14%synergy
Silence
10%inclusion136 decks1.32K decks
0%synergy
Force of Negation
10%inclusion129 decks1.32K decks
-2%synergy
Brainstorm
9.3%inclusion123 decks1.32K decks
-8%synergy
Teferi's Protection
9.1%inclusion120 decks1.32K decks
-8%synergy
Flusterstorm
9.1%inclusion120 decks1.32K decks
1%synergy
Negate
9.0%inclusion119 decks1.32K decks
-8%synergy
Demonic Consultation
9.0%inclusion118 decks1.32K decks
0%synergy
Tainted Pact
8.9%inclusion117 decks1.32K decks
1%synergy
Intuition
8.6%inclusion113 decks1.32K decks
7%synergy
Fell the Profane
8.1%inclusion107 decks1.32K decks
0%synergy
Borne Upon a Wind
8.1%inclusion107 decks1.32K decks
3%synergy
Mystical Tutor
8.0%inclusion105 decks1.32K decks
-4%synergy
Mindbreak Trap
7.5%inclusion99 decks1.32K decks
1%synergy
Cabal Ritual
7.4%inclusion97 decks1.32K decks
4%synergy
Mental Misstep
7.2%inclusion95 decks1.32K decks
0%synergy
Pact of Negation
7.1%inclusion93 decks1.32K decks
-1%synergy
Generous Gift
6.4%inclusion84 decks1.32K decks
-8%synergy
Gifts Ungiven
5.2%inclusion69 decks1.32K decks
3%synergy
Utter End
5.2%inclusion68 decks1.32K decks
-2%synergy
Dawn's Truce
5.1%inclusion67 decks1.32K decks
1%synergy
Sorceries
Redress Fate
42%inclusion557 decks1.32K decks
36%synergy
Sevinne's Reclamation
41%inclusion544 decks1.32K decks
32%synergy
Windfall
24%inclusion313 decks1.32K decks
10%synergy
Extinguish All Hope
23%inclusion302 decks1.32K decks
21%synergy
Dance of the Manse
23%inclusion300 decks1.32K decks
19%synergy
Reanimate
20%inclusion267 decks1.32K decks
4%synergy
Singularity Rupture
15%inclusion35 decks232 decks
13%synergy
Toxic Deluge
15%inclusion198 decks1.32K decks
-4%synergy
Resurgent Belief
15%inclusion194 decks1.32K decks
13%synergy
Time Wipe
12%inclusion154 decks1.32K decks
4%synergy
Idyllic Tutor
11%inclusion149 decks1.32K decks
7%synergy
Damn
11%inclusion143 decks1.32K decks
-10%synergy
Replenish
10%inclusion136 decks1.32K decks
9%synergy
Supreme Verdict
8.8%inclusion116 decks1.32K decks
-6%synergy
Glimpse the Unthinkable
8.7%inclusion114 decks1.32K decks
8%synergy
Space-Time Anomaly
8.1%inclusion18 decks221 decks
6%synergy
Ponder
7.9%inclusion104 decks1.32K decks
-1%synergy
Brilliant Restoration
7.5%inclusion99 decks1.32K decks
5%synergy
Imperial Seal
7.2%inclusion95 decks1.32K decks
-1%synergy
Demonic Counsel
7.0%inclusion92 decks1.32K decks
6%synergy
Blasphemous Edict
6.9%inclusion54 decks778 decks
4%synergy
Farewell
6.7%inclusion88 decks1.32K decks
-6%synergy
Unmarked Grave
6.6%inclusion87 decks1.32K decks
5%synergy
Austere Command
6.5%inclusion86 decks1.32K decks
-3%synergy
Buried Alive
5.2%inclusion68 decks1.32K decks
1%synergy
Utility Artifacts
Mesmeric Orb
18%inclusion241 decks1.32K decks
17%synergy
Cloud Key
14%inclusion187 decks1.32K decks
11%synergy
Lightning Greaves
11%inclusion142 decks1.32K decks
-12%synergy
The One Ring
10%inclusion138 decks1.32K decks
-3%synergy
Wishclaw Talisman
7.7%inclusion102 decks1.32K decks
-1%synergy
Keys to the House
7.7%inclusion101 decks1.31K decks
7%synergy
Wayfarer's Bauble
5.8%inclusion77 decks1.32K decks
-3%synergy
Swiftfoot Boots
5.3%inclusion70 decks1.32K decks
-18%synergy
Enchantments
Sigil of the Empty Throne
46%inclusion609 decks1.32K decks
40%synergy
Propaganda
45%inclusion598 decks1.32K decks
19%synergy
Starfield of Nyx
42%inclusion559 decks1.32K decks
38%synergy
Grasp of Fate
41%inclusion540 decks1.32K decks
35%synergy
Cemetery Tampering
41%inclusion538 decks1.32K decks
40%synergy
Ghostly Prison
39%inclusion520 decks1.32K decks
18%synergy
Blind Obedience
39%inclusion514 decks1.32K decks
27%synergy
Defiled Crypt // Cadaver Lab
35%inclusion464 decks1.31K decks
35%synergy
Seal of Cleansing
35%inclusion466 decks1.32K decks
34%synergy
Cacophony Unleashed
33%inclusion438 decks1.32K decks
32%synergy
Estrid's Invocation
32%inclusion418 decks1.32K decks
27%synergy
Amphibian Downpour
32%inclusion415 decks1.32K decks
27%synergy
Shark Typhoon
31%inclusion408 decks1.32K decks
25%synergy
Polluted Cistern // Dim Oubliette
31%inclusion406 decks1.31K decks
30%synergy
Monologue Tax
29%inclusion388 decks1.32K decks
23%synergy
Darksteel Mutation
29%inclusion379 decks1.32K decks
22%synergy
Dance of the Dead
28%inclusion374 decks1.32K decks
26%synergy
Hallowed Haunting
24%inclusion318 decks1.32K decks
22%synergy
The Tale of Tamiyo
23%inclusion306 decks1.32K decks
23%synergy
Stillness in Motion
23%inclusion79 decks350 decks
22%synergy
Greater Auramancy
22%inclusion291 decks1.32K decks
18%synergy
Mirror Room // Fractured Realm
22%inclusion287 decks1.32K decks
19%synergy
All That Glitters
21%inclusion279 decks1.32K decks
12%synergy
Out of the Tombs
21%inclusion278 decks1.32K decks
21%synergy
Black Market Connections
21%inclusion272 decks1.32K decks
7%synergy
Restricted Office // Lecture Hall
20%inclusion268 decks1.32K decks
18%synergy
Extravagant Replication
20%inclusion267 decks1.32K decks
15%synergy
The Meathook Massacre
20%inclusion261 decks1.32K decks
16%synergy
Copy Enchantment
20%inclusion260 decks1.32K decks
15%synergy
Phyrexian Arena
20%inclusion257 decks1.32K decks
6%synergy
Imprisoned in the Moon
19%inclusion255 decks1.32K decks
13%synergy
Cramped Vents // Access Maze
19%inclusion254 decks1.32K decks
17%synergy
Dazzling Theater // Prop Room
19%inclusion251 decks1.31K decks
18%synergy
Ethereal Armor
19%inclusion245 decks1.32K decks
14%synergy
Touch the Spirit Realm
18%inclusion238 decks1.32K decks
15%synergy
Timely Ward
18%inclusion236 decks1.32K decks
13%synergy
Bottomless Pool // Locker Room
18%inclusion236 decks1.32K decks
16%synergy
Court of Cunning
18%inclusion234 decks1.32K decks
17%synergy
Meat Locker // Drowned Diner
17%inclusion221 decks1.30K decks
16%synergy
Underwater Tunnel // Slimy Aquarium
17%inclusion223 decks1.31K decks
17%synergy
Seal of Removal
17%inclusion223 decks1.32K decks
16%synergy
Central Elevator // Promising Stairs
17%inclusion221 decks1.32K decks
16%synergy
Derelict Attic // Widow's Walk
16%inclusion203 decks1.30K decks
15%synergy
The Eldest Reborn
15%inclusion202 decks1.32K decks
13%synergy
Secrets of the Dead
15%inclusion200 decks1.32K decks
15%synergy
Leyline of Anticipation
15%inclusion194 decks1.32K decks
10%synergy
Sheltered by Ghosts
14%inclusion180 decks1.32K decks
11%synergy
Static Prison
13%inclusion172 decks1.32K decks
13%synergy
Trouble in Pairs
13%inclusion172 decks1.32K decks
7%synergy
Aura of Silence
13%inclusion171 decks1.32K decks
10%synergy
Battles
Invasion of Theros
11%inclusion140 decks1.32K decks
9%synergy
Planeswalkers
Teferi, Time Raveler
8.7%inclusion114 decks1.32K decks
0%synergy
Utility Lands
Hall of Heliod's Generosity
64%inclusion847 decks1.32K decks
51%synergy
Bojuka Bog
40%inclusion532 decks1.32K decks
13%synergy
Otawara, Soaring City
24%inclusion313 decks1.32K decks
5%synergy
Reliquary Tower
16%inclusion209 decks1.32K decks
-18%synergy
Takenuma, Abandoned Mire
14%inclusion188 decks1.32K decks
8%synergy
Cephalid Coliseum
12%inclusion163 decks1.32K decks
9%synergy
Urborg, Tomb of Yawgmoth
12%inclusion162 decks1.32K decks
-1%synergy
Halimar Depths
11%inclusion149 decks1.32K decks
6%synergy
Serra's Sanctum
11%inclusion140 decks1.32K decks
9%synergy
Urza's Saga
10%inclusion127 decks1.32K decks
-2%synergy
Emergence Zone
6.7%inclusion88 decks1.32K decks
5%synergy
Nephalia Drownyard
5.3%inclusion70 decks1.32K decks
5%synergy
Mana Artifacts
Arcane Signet
89%inclusion1.17K decks1.32K decks
1%synergy
Sol Ring
88%inclusion1.16K decks1.32K decks
-2%synergy
Talisman of Dominance
53%inclusion703 decks1.32K decks
4%synergy
Talisman of Progress
50%inclusion658 decks1.32K decks
7%synergy
Talisman of Hierarchy
45%inclusion592 decks1.32K decks
2%synergy
Azorius Signet
37%inclusion486 decks1.32K decks
4%synergy
Orzhov Signet
35%inclusion464 decks1.32K decks
0%synergy
Fellwar Stone
32%inclusion420 decks1.32K decks
-2%synergy
Dimir Signet
26%inclusion339 decks1.32K decks
-7%synergy
Mind Stone
16%inclusion206 decks1.32K decks
2%synergy
Commander's Sphere
12%inclusion157 decks1.32K decks
-8%synergy
Mana Vault
11%inclusion142 decks1.32K decks
1%synergy
Lotus Petal
10%inclusion131 decks1.32K decks
-1%synergy
Chrome Mox
9.3%inclusion123 decks1.32K decks
0%synergy
Mox Diamond
7.6%inclusion100 decks1.32K decks
0%synergy
Mox Opal
7.0%inclusion92 decks1.32K decks
-2%synergy
Chromatic Lantern
6.7%inclusion88 decks1.32K decks
-7%synergy
Lion's Eye Diamond
6.2%inclusion81 decks1.32K decks
4%synergy
Thought Vessel
5.7%inclusion75 decks1.32K decks
-19%synergy
Lands
Island
93%inclusion1.23K decks1.32K decks
1%synergy
Command Tower
93%inclusion1.22K decks1.32K decks
0%synergy
Swamp
92%inclusion1.21K decks1.32K decks
0%synergy
Plains
91%inclusion1.20K decks1.32K decks
0%synergy
Arcane Sanctum
54%inclusion714 decks1.32K decks
0%synergy
Hallowed Fountain
53%inclusion697 decks1.32K decks
4%synergy
Godless Shrine
53%inclusion696 decks1.32K decks
3%synergy
Watery Grave
52%inclusion687 decks1.32K decks
3%synergy
Caves of Koilos
51%inclusion675 decks1.32K decks
16%synergy
Exotic Orchard
51%inclusion674 decks1.32K decks
-7%synergy
Adarkar Wastes
49%inclusion650 decks1.32K decks
19%synergy
Flooded Strand
47%inclusion618 decks1.32K decks
9%synergy
Underground River
46%inclusion605 decks1.32K decks
14%synergy
Polluted Delta
45%inclusion598 decks1.32K decks
8%synergy
Raffine's Tower
44%inclusion575 decks1.32K decks
3%synergy
Marsh Flats
43%inclusion562 decks1.32K decks
7%synergy
Sea of Clouds
41%inclusion536 decks1.32K decks
5%synergy
Morphic Pool
39%inclusion512 decks1.32K decks
4%synergy
Vault of Champions
38%inclusion501 decks1.32K decks
5%synergy
Valgavoth's Lair
36%inclusion471 decks1.32K decks
33%synergy
Undercity Sewers
34%inclusion454 decks1.32K decks
20%synergy
Isolated Chapel
34%inclusion449 decks1.32K decks
-4%synergy
Glacial Fortress
34%inclusion442 decks1.32K decks
-6%synergy
Shadowy Backstreet
32%inclusion417 decks1.32K decks
19%synergy
Meticulous Archive
31%inclusion411 decks1.32K decks
18%synergy
Drowned Catacomb
29%inclusion383 decks1.32K decks
-6%synergy
Temple of Enlightenment
26%inclusion339 decks1.32K decks
9%synergy
Temple of Silence
25%inclusion326 decks1.32K decks
5%synergy
Obscura Storefront
24%inclusion319 decks1.32K decks
14%synergy
Terramorphic Expanse
24%inclusion313 decks1.32K decks
7%synergy
Temple of Deceit
24%inclusion310 decks1.32K decks
5%synergy
Evolving Wilds
23%inclusion308 decks1.32K decks
-2%synergy
Prairie Stream
23%inclusion306 decks1.32K decks
-17%synergy
Azorius Chancery
22%inclusion293 decks1.32K decks
8%synergy
Sunken Hollow
22%inclusion288 decks1.32K decks
-18%synergy
Dimir Aqueduct
21%inclusion276 decks1.32K decks
7%synergy
Tainted Field
20%inclusion265 decks1.32K decks
13%synergy
Contaminated Landscape
20%inclusion264 decks1.32K decks
5%synergy
Deserted Beach
20%inclusion262 decks1.32K decks
-1%synergy
Orzhov Basilica
20%inclusion260 decks1.32K decks
4%synergy
Floodfarm Verge
19%inclusion256 decks1.32K decks
8%synergy
Tainted Isle
19%inclusion253 decks1.32K decks
13%synergy
Gloomlake Verge
19%inclusion251 decks1.32K decks
8%synergy
Shipwreck Marsh
19%inclusion248 decks1.32K decks
-2%synergy
Scrubland
16%inclusion209 decks1.32K decks
0%synergy
Tundra
16%inclusion205 decks1.32K decks
0%synergy
Underground Sea
15%inclusion202 decks1.32K decks
0%synergy
City of Brass
14%inclusion188 decks1.32K decks
-1%synergy
Bloodstained Mire
14%inclusion182 decks1.32K decks
3%synergy
Scalding Tarn
13%inclusion172 decks1.32K decks
2%synergy