The Master of Keys (Commander) - cEDH

The Master of Keys
Rank #316
559decks
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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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Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Wan Shi Tong, Librarian
49%inclusion30 decks61 decks
44%synergy
Chakra Meditation
1.8%inclusion1 decks57 decks
2%synergy
The Spirit Oasis
1.7%inclusion1 decks59 decks
2%synergy
Avatar's Wrath
1.7%inclusion1 decks60 decks
0%synergy
Northern Air Temple
1.6%inclusion1 decks61 decks
2%synergy
High Synergy Cards
Necromancy
95%inclusion532 decks559 decks
91%synergy
Abdel Adrian, Gorion's Ward
90%inclusion505 decks559 decks
89%synergy
Entomb
95%inclusion532 decks559 decks
88%synergy
Animate Dead
98%inclusion546 decks559 decks
88%synergy
Dance of the Dead
89%inclusion496 decks559 decks
87%synergy
Dress Down
87%inclusion485 decks559 decks
84%synergy
Tainted Pact
91%inclusion508 decks559 decks
83%synergy
Silence
92%inclusion516 decks559 decks
82%synergy
Demonic Consultation
88%inclusion494 decks559 decks
80%synergy
Flusterstorm
88%inclusion491 decks559 decks
80%synergy
Top Cards
Mystic Remora
98%inclusion547 decks559 decks
76%synergy
Esper Sentinel
95%inclusion533 decks559 decks
68%synergy
Dark Ritual
94%inclusion527 decks559 decks
75%synergy
Swan Song
90%inclusion503 decks559 decks
71%synergy
Orcish Bowmasters
89%inclusion500 decks559 decks
78%synergy
Grand Abolisher
88%inclusion491 decks559 decks
73%synergy
Force of Negation
86%inclusion480 decks559 decks
74%synergy
Mindbreak Trap
85%inclusion476 decks559 decks
78%synergy
The One Ring
82%inclusion460 decks559 decks
69%synergy
Intuition
80%inclusion449 decks559 decks
79%synergy
Game Changers
Rhystic Study
97%inclusion543 decks559 decks
65%synergy
Demonic Tutor
97%inclusion541 decks559 decks
75%synergy
Vampiric Tutor
96%inclusion538 decks559 decks
78%synergy
Thassa's Oracle
95%inclusion533 decks559 decks
86%synergy
Enlightened Tutor
95%inclusion533 decks559 decks
75%synergy
Mana Vault
95%inclusion530 decks559 decks
85%synergy
Chrome Mox
93%inclusion522 decks559 decks
84%synergy
Force of Will
93%inclusion520 decks559 decks
80%synergy
Smothering Tithe
92%inclusion514 decks559 decks
60%synergy
Ancient Tomb
91%inclusion509 decks559 decks
78%synergy
Creatures
Ranger-Captain of Eos
80%inclusion448 decks559 decks
74%synergy
Lotho, Corrupt Shirriff
78%inclusion437 decks559 decks
61%synergy
Valley Floodcaller
74%inclusion416 decks559 decks
70%synergy
Opposition Agent
60%inclusion333 decks559 decks
51%synergy
Displacer Kitten
57%inclusion321 decks559 decks
50%synergy
Voice of Victory
50%inclusion159 decks316 decks
42%synergy
Hullbreaker Horror
48%inclusion269 decks559 decks
42%synergy
Archivist of Oghma
43%inclusion243 decks559 decks
37%synergy
Drannith Magistrate
43%inclusion240 decks559 decks
35%synergy
Mockingbird
42%inclusion232 decks559 decks
37%synergy
Auriok Salvagers
39%inclusion217 decks559 decks
38%synergy
Lurrus of the Dream-Den
39%inclusion216 decks559 decks
37%synergy
Ledger Shredder
33%inclusion186 decks559 decks
24%synergy
Talion, the Kindly Lord
28%inclusion154 decks559 decks
19%synergy
Phyrexian Metamorph
27%inclusion150 decks559 decks
18%synergy
Tataru Taru
23%inclusion51 decks221 decks
15%synergy
Hedron Crab
23%inclusion126 decks559 decks
22%synergy
Faerie Mastermind
22%inclusion121 decks559 decks
12%synergy
Psychic Frog
21%inclusion118 decks559 decks
14%synergy
Pollywog Prodigy
21%inclusion118 decks559 decks
17%synergy
Dauthi Voidwalker
14%inclusion76 decks559 decks
7%synergy
Hoarding Broodlord
12%inclusion69 decks559 decks
10%synergy
Ghostly Pilferer
12%inclusion69 decks559 decks
5%synergy
Leonin Relic-Warder
11%inclusion60 decks559 decks
10%synergy
Volatile Stormdrake
9.1%inclusion51 decks559 decks
8%synergy
High Fae Trickster
8.8%inclusion42 decks480 decks
4%synergy
Snapcaster Mage
8.4%inclusion47 decks559 decks
6%synergy
Gilded Drake
6.3%inclusion35 decks559 decks
4%synergy
Emet-Selch of the Third Seat
5.9%inclusion13 decks221 decks
-4%synergy
Phantasmal Image
5.5%inclusion31 decks559 decks
3%synergy
Spellseeker
5.2%inclusion29 decks559 decks
4%synergy
Overlord of the Balemurk
5.0%inclusion28 decks559 decks
3%synergy
Entity Tracker
5.0%inclusion28 decks559 decks
-2%synergy
Instants
Mental Misstep
80%inclusion446 decks559 decks
73%synergy
Pact of Negation
79%inclusion444 decks559 decks
71%synergy
Swords to Plowshares
79%inclusion439 decks559 decks
10%synergy
Fierce Guardianship
73%inclusion407 decks559 decks
52%synergy
Borne Upon a Wind
71%inclusion396 decks559 decks
66%synergy
Mystical Tutor
68%inclusion378 decks559 decks
56%synergy
An Offer You Can't Refuse
63%inclusion353 decks559 decks
37%synergy
Cyclonic Rift
59%inclusion332 decks559 decks
35%synergy
Cabal Ritual
55%inclusion309 decks559 decks
52%synergy
Into the Flood Maw
40%inclusion224 decks559 decks
36%synergy
Chain of Vapor
40%inclusion223 decks559 decks
36%synergy
Mana Drain
34%inclusion192 decks559 decks
17%synergy
Gifts Ungiven
34%inclusion189 decks559 decks
32%synergy
Sink into Stupor
31%inclusion173 decks559 decks
18%synergy
Ad Nauseam
21%inclusion115 decks559 decks
18%synergy
Retraction Helix
19%inclusion109 decks559 decks
19%synergy
Path to Exile
17%inclusion97 decks559 decks
-25%synergy
Culling the Weak
17%inclusion95 decks559 decks
15%synergy
Brain Freeze
14%inclusion76 decks559 decks
13%synergy
Darkblast
13%inclusion71 decks559 decks
13%synergy
Banishing Knack
12%inclusion69 decks559 decks
12%synergy
Dispel
11%inclusion64 decks559 decks
8%synergy
Saw in Half
11%inclusion59 decks559 decks
9%synergy
Strix Serenade
10%inclusion54 decks559 decks
6%synergy
Deadly Rollick
8.8%inclusion49 decks559 decks
-5%synergy
Sacrifice
7.7%inclusion43 decks559 decks
7%synergy
Muddle the Mixture
7.5%inclusion42 decks559 decks
3%synergy
Spell Pierce
6.6%inclusion37 decks559 decks
4%synergy
Lim-Dûl's Vault
5.9%inclusion33 decks559 decks
2%synergy
Orim's Chant
5.5%inclusion31 decks559 decks
4%synergy
Angel's Grace
5.4%inclusion30 decks559 decks
3%synergy
Dovin's Veto
5.2%inclusion29 decks559 decks
-20%synergy
Counterspell
5.2%inclusion29 decks559 decks
-36%synergy
Dismember
5.0%inclusion28 decks559 decks
0%synergy
Rain of Filth
5.0%inclusion28 decks559 decks
5%synergy
Sorceries
Imperial Seal
77%inclusion432 decks559 decks
70%synergy
Sevinne's Reclamation
71%inclusion396 decks559 decks
62%synergy
Toxic Deluge
40%inclusion222 decks559 decks
20%synergy
Reanimate
36%inclusion202 decks559 decks
20%synergy
Windfall
30%inclusion165 decks559 decks
16%synergy
Lively Dirge
25%inclusion142 decks559 decks
24%synergy
Beseech the Mirror
25%inclusion140 decks559 decks
21%synergy
Mnemonic Betrayal
21%inclusion118 decks559 decks
18%synergy
Demonic Counsel
18%inclusion103 decks559 decks
17%synergy
Unmarked Grave
11%inclusion59 decks559 decks
9%synergy
Yawgmoth's Will
10%inclusion55 decks559 decks
8%synergy
Cabal Therapy
8.9%inclusion50 decks559 decks
9%synergy
Diabolic Intent
8.4%inclusion47 decks559 decks
3%synergy
Praetor's Grasp
8.4%inclusion47 decks559 decks
5%synergy
Utility Artifacts
Wishclaw Talisman
70%inclusion393 decks559 decks
62%synergy
Cursed Totem
11%inclusion62 decks559 decks
9%synergy
Mesmeric Orb
8.8%inclusion49 decks559 decks
8%synergy
Vexing Bauble
7.3%inclusion41 decks559 decks
6%synergy
Sensei's Divining Top
5.0%inclusion28 decks559 decks
-5%synergy
Enchantments
Tinybones Joins Up
67%inclusion375 decks559 decks
66%synergy
Necropotence
67%inclusion375 decks559 decks
60%synergy
Blind Obedience
63%inclusion354 decks559 decks
51%synergy
Ripples of Undeath
52%inclusion288 decks559 decks
49%synergy
Amphibian Downpour
51%inclusion287 decks559 decks
47%synergy
Touch the Spirit Realm
43%inclusion238 decks559 decks
40%synergy
Copy Artifact
42%inclusion234 decks559 decks
41%synergy
Mirrormade
37%inclusion206 decks559 decks
27%synergy
Static Prison
36%inclusion202 decks559 decks
36%synergy
The Meathook Massacre
36%inclusion200 decks559 decks
32%synergy
Steal Enchantment
30%inclusion166 decks559 decks
29%synergy
Counterbalance
18%inclusion103 decks559 decks
17%synergy
Trouble in Pairs
18%inclusion99 decks559 decks
12%synergy
Founding the Third Path
16%inclusion89 decks559 decks
16%synergy
Copy Enchantment
12%inclusion69 decks559 decks
8%synergy
Chthonian Nightmare
12%inclusion66 decks559 decks
11%synergy
Chains of Mephistopheles
12%inclusion65 decks559 decks
11%synergy
Monologue Tax
9.1%inclusion51 decks559 decks
3%synergy
Seal of Removal
8.1%inclusion45 decks559 decks
7%synergy
Leyline of Anticipation
7.2%inclusion40 decks559 decks
3%synergy
Seal of Cleansing
5.9%inclusion33 decks559 decks
4%synergy
Aura of Silence
5.5%inclusion31 decks559 decks
2%synergy
Second Chance
5.2%inclusion29 decks559 decks
5%synergy
Dance of Many
5.0%inclusion28 decks559 decks
5%synergy
Planeswalkers
Teferi, Time Raveler
56%inclusion311 decks559 decks
47%synergy
Utility Lands
Otawara, Soaring City
88%inclusion490 decks559 decks
69%synergy
Urza's Saga
40%inclusion223 decks559 decks
28%synergy
Minamo, School at Water's Edge
33%inclusion183 decks559 decks
29%synergy
Emergence Zone
28%inclusion159 decks559 decks
26%synergy
Cephalid Coliseum
21%inclusion115 decks559 decks
17%synergy
City of Traitors
15%inclusion82 decks559 decks
13%synergy
Serra's Sanctum
12%inclusion67 decks559 decks
10%synergy
Takenuma, Abandoned Mire
11%inclusion63 decks559 decks
5%synergy
Urborg, Tomb of Yawgmoth
8.8%inclusion49 decks559 decks
-4%synergy
Hall of Heliod's Generosity
6.6%inclusion37 decks559 decks
-7%synergy
Mistrise Village
6.1%inclusion19 decks313 decks
2%synergy
Mana Artifacts
Sol Ring
100%inclusion557 decks559 decks
10%synergy
Arcane Signet
98%inclusion546 decks559 decks
10%synergy
Lotus Petal
93%inclusion522 decks559 decks
83%synergy
Talisman of Dominance
85%inclusion477 decks559 decks
36%synergy
Mox Diamond
82%inclusion461 decks559 decks
75%synergy
Fellwar Stone
82%inclusion456 decks559 decks
48%synergy
Mox Opal
79%inclusion443 decks559 decks
70%synergy
Lion's Eye Diamond
67%inclusion373 decks559 decks
65%synergy
Talisman of Progress
56%inclusion313 decks559 decks
13%synergy
Mox Amber
41%inclusion228 decks559 decks
35%synergy
Talisman of Hierarchy
40%inclusion222 decks559 decks
-3%synergy
Grim Monolith
36%inclusion201 decks559 decks
32%synergy
Basalt Monolith
7.0%inclusion39 decks559 decks
5%synergy
Lands
Command Tower
98%inclusion548 decks559 decks
6%synergy
Polluted Delta
96%inclusion537 decks559 decks
59%synergy
Watery Grave
96%inclusion537 decks559 decks
46%synergy
Hallowed Fountain
95%inclusion532 decks559 decks
46%synergy
Flooded Strand
94%inclusion527 decks559 decks
57%synergy
Godless Shrine
94%inclusion524 decks559 decks
44%synergy
Marsh Flats
93%inclusion522 decks559 decks
57%synergy
City of Brass
88%inclusion493 decks559 decks
73%synergy
Gemstone Caverns
87%inclusion489 decks559 decks
80%synergy
Mana Confluence
87%inclusion486 decks559 decks
73%synergy
Tundra
85%inclusion477 decks559 decks
69%synergy
Scrubland
85%inclusion476 decks559 decks
69%synergy
Underground Sea
83%inclusion462 decks559 decks
67%synergy
Misty Rainforest
82%inclusion456 decks559 decks
70%synergy
Bloodstained Mire
81%inclusion452 decks559 decks
70%synergy
Verdant Catacombs
78%inclusion438 decks559 decks
68%synergy
Scalding Tarn
74%inclusion416 decks559 decks
63%synergy
Windswept Heath
71%inclusion396 decks559 decks
61%synergy
Exotic Orchard
70%inclusion393 decks559 decks
12%synergy
Morphic Pool
68%inclusion378 decks559 decks
33%synergy
Arid Mesa
62%inclusion348 decks559 decks
52%synergy
Undercity Sewers
56%inclusion314 decks559 decks
42%synergy
Sea of Clouds
55%inclusion308 decks559 decks
19%synergy
Vault of Champions
47%inclusion264 decks559 decks
14%synergy
Island
45%inclusion251 decks559 decks
-48%synergy
Swamp
39%inclusion216 decks559 decks
-53%synergy
Sink into Stupor
31%inclusion173 decks559 decks
18%synergy
Plains
29%inclusion162 decks559 decks
-62%synergy
Starting Town
27%inclusion59 decks221 decks
23%synergy
Meticulous Archive
25%inclusion142 decks559 decks
12%synergy
Forbidden Orchard
21%inclusion118 decks559 decks
19%synergy
Spire of Industry
19%inclusion107 decks559 decks
10%synergy
Shadowy Backstreet
18%inclusion103 decks559 decks
6%synergy
Cavern of Souls
18%inclusion99 decks559 decks
11%synergy
Underground River
15%inclusion85 decks559 decks
-17%synergy
Talon Gates of Madara
12%inclusion68 decks559 decks
11%synergy
Caves of Koilos
11%inclusion59 decks559 decks
-25%synergy
Adarkar Wastes
11%inclusion59 decks559 decks
-20%synergy
Gloomlake Verge
8.9%inclusion50 decks559 decks
-2%synergy
Raffine's Tower
8.2%inclusion46 decks559 decks
-33%synergy
Floodfarm Verge
7.2%inclusion40 decks559 decks
-4%synergy
Reflecting Pool
5.5%inclusion31 decks559 decks
-3%synergy
Silent Clearing
5.4%inclusion30 decks559 decks
3%synergy
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