The Master of Keys (Commander) - cEDH Combo

The Master of Keys
Rank #307
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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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Animate Dead
99%inclusion85 decks86 decks
89%synergy
Abdel Adrian, Gorion's Ward
91%inclusion78 decks86 decks
89%synergy
Necromancy
93%inclusion80 decks86 decks
88%synergy
Tainted Pact
95%inclusion82 decks86 decks
88%synergy
Entomb
93%inclusion80 decks86 decks
86%synergy
Dance of the Dead
88%inclusion76 decks86 decks
86%synergy
Demonic Consultation
92%inclusion79 decks86 decks
84%synergy
Dress Down
86%inclusion74 decks86 decks
84%synergy
Silence
92%inclusion79 decks86 decks
82%synergy
Flusterstorm
87%inclusion75 decks86 decks
79%synergy
Top Cards
Dark Ritual
98%inclusion84 decks86 decks
78%synergy
Esper Sentinel
97%inclusion83 decks86 decks
69%synergy
Mystic Remora
97%inclusion83 decks86 decks
75%synergy
Grand Abolisher
92%inclusion79 decks86 decks
77%synergy
Swan Song
88%inclusion76 decks86 decks
69%synergy
Orcish Bowmasters
86%inclusion74 decks86 decks
75%synergy
Force of Negation
85%inclusion73 decks86 decks
73%synergy
Mental Misstep
83%inclusion71 decks86 decks
76%synergy
Mindbreak Trap
83%inclusion71 decks86 decks
76%synergy
Pact of Negation
83%inclusion71 decks86 decks
75%synergy
Game Changers
Thassa's Oracle
99%inclusion85 decks86 decks
89%synergy
Rhystic Study
95%inclusion82 decks86 decks
63%synergy
Vampiric Tutor
95%inclusion82 decks86 decks
78%synergy
Demonic Tutor
95%inclusion82 decks86 decks
74%synergy
Enlightened Tutor
94%inclusion81 decks86 decks
74%synergy
Mana Vault
94%inclusion81 decks86 decks
85%synergy
Chrome Mox
94%inclusion81 decks86 decks
85%synergy
Force of Will
92%inclusion79 decks86 decks
79%synergy
Smothering Tithe
91%inclusion78 decks86 decks
59%synergy
Ancient Tomb
91%inclusion78 decks86 decks
78%synergy
Creatures
Valley Floodcaller
81%inclusion70 decks86 decks
77%synergy
Ranger-Captain of Eos
80%inclusion69 decks86 decks
74%synergy
Lotho, Corrupt Shirriff
79%inclusion68 decks86 decks
62%synergy
Wan Shi Tong, Librarian
75%inclusion9 decks12 decks
70%synergy
Displacer Kitten
62%inclusion53 decks86 decks
55%synergy
Voice of Victory
57%inclusion28 decks49 decks
49%synergy
Archivist of Oghma
52%inclusion45 decks86 decks
46%synergy
Mockingbird
52%inclusion45 decks86 decks
48%synergy
Opposition Agent
50%inclusion43 decks86 decks
41%synergy
Hullbreaker Horror
50%inclusion43 decks86 decks
44%synergy
Drannith Magistrate
42%inclusion36 decks86 decks
34%synergy
Lurrus of the Dream-Den
40%inclusion34 decks86 decks
38%synergy
Auriok Salvagers
35%inclusion30 decks86 decks
35%synergy
Tataru Taru
29%inclusion10 decks34 decks
21%synergy
Phyrexian Metamorph
29%inclusion25 decks86 decks
20%synergy
Faerie Mastermind
28%inclusion24 decks86 decks
18%synergy
Hedron Crab
26%inclusion22 decks86 decks
25%synergy
Ledger Shredder
26%inclusion22 decks86 decks
17%synergy
Talion, the Kindly Lord
21%inclusion18 decks86 decks
13%synergy
Psychic Frog
21%inclusion18 decks86 decks
14%synergy
Pollywog Prodigy
19%inclusion16 decks86 decks
15%synergy
Ghostly Pilferer
16%inclusion14 decks86 decks
9%synergy
Leonin Relic-Warder
13%inclusion11 decks86 decks
13%synergy
Dauthi Voidwalker
12%inclusion10 decks86 decks
6%synergy
Snapcaster Mage
10%inclusion9 decks86 decks
8%synergy
Spellseeker
9.3%inclusion8 decks86 decks
8%synergy
Malevolent Hermit
9.3%inclusion8 decks86 decks
8%synergy
Hoarding Broodlord
8.1%inclusion7 decks86 decks
6%synergy
Phantasmal Image
7.0%inclusion6 decks86 decks
5%synergy
High Fae Trickster
6.7%inclusion5 decks75 decks
2%synergy
Emet-Selch of the Third Seat
5.9%inclusion2 decks34 decks
-4%synergy
Volatile Stormdrake
5.8%inclusion5 decks86 decks
4%synergy
Flesh Duplicate
5.8%inclusion5 decks86 decks
5%synergy
Zur the Enchanter
5.8%inclusion5 decks86 decks
1%synergy
Instants
Swords to Plowshares
78%inclusion67 decks86 decks
10%synergy
Fierce Guardianship
76%inclusion65 decks86 decks
55%synergy
Intuition
74%inclusion64 decks86 decks
73%synergy
Borne Upon a Wind
72%inclusion62 decks86 decks
67%synergy
Mystical Tutor
71%inclusion61 decks86 decks
60%synergy
Cabal Ritual
63%inclusion54 decks86 decks
59%synergy
Cyclonic Rift
60%inclusion52 decks86 decks
36%synergy
An Offer You Can't Refuse
56%inclusion48 decks86 decks
29%synergy
Into the Flood Maw
41%inclusion35 decks86 decks
37%synergy
Gifts Ungiven
38%inclusion33 decks86 decks
36%synergy
Chain of Vapor
37%inclusion32 decks86 decks
34%synergy
Mana Drain
34%inclusion29 decks86 decks
16%synergy
Sink into Stupor
31%inclusion27 decks86 decks
19%synergy
Retraction Helix
22%inclusion19 decks86 decks
21%synergy
Culling the Weak
17%inclusion15 decks86 decks
16%synergy
Brain Freeze
16%inclusion14 decks86 decks
16%synergy
Ad Nauseam
16%inclusion14 decks86 decks
14%synergy
Darkblast
14%inclusion12 decks86 decks
14%synergy
Dispel
13%inclusion11 decks86 decks
9%synergy
Banishing Knack
13%inclusion11 decks86 decks
12%synergy
Deadly Rollick
10%inclusion9 decks86 decks
-4%synergy
Path to Exile
10%inclusion9 decks86 decks
-32%synergy
Sacrifice
9.3%inclusion8 decks86 decks
9%synergy
Dovin's Veto
8.1%inclusion7 decks86 decks
-17%synergy
Counterspell
8.1%inclusion7 decks86 decks
-33%synergy
Saw in Half
8.1%inclusion7 decks86 decks
6%synergy
Orim's Chant
7.0%inclusion6 decks86 decks
6%synergy
Strix Serenade
7.0%inclusion6 decks86 decks
3%synergy
Lim-Dûl's Vault
7.0%inclusion6 decks86 decks
4%synergy
Rain of Filth
5.8%inclusion5 decks86 decks
6%synergy
Spell Pierce
5.8%inclusion5 decks86 decks
3%synergy
Sorceries
Imperial Seal
80%inclusion69 decks86 decks
73%synergy
Sevinne's Reclamation
77%inclusion66 decks86 decks
68%synergy
Toxic Deluge
40%inclusion34 decks86 decks
20%synergy
Reanimate
37%inclusion32 decks86 decks
21%synergy
Lively Dirge
30%inclusion26 decks86 decks
29%synergy
Beseech the Mirror
23%inclusion20 decks86 decks
19%synergy
Windfall
22%inclusion19 decks86 decks
8%synergy
Demonic Counsel
22%inclusion19 decks86 decks
21%synergy
Mnemonic Betrayal
16%inclusion14 decks86 decks
13%synergy
Cabal Therapy
14%inclusion12 decks86 decks
14%synergy
Unmarked Grave
12%inclusion10 decks86 decks
10%synergy
Yawgmoth's Will
10%inclusion9 decks86 decks
9%synergy
Praetor's Grasp
10%inclusion9 decks86 decks
8%synergy
Diabolic Intent
8.1%inclusion7 decks86 decks
3%synergy
Gitaxian Probe
5.8%inclusion5 decks86 decks
4%synergy
Utility Artifacts
The One Ring
78%inclusion67 decks86 decks
64%synergy
Wishclaw Talisman
69%inclusion59 decks86 decks
60%synergy
Cursed Totem
13%inclusion11 decks86 decks
10%synergy
Agatha's Soul Cauldron
7.0%inclusion6 decks86 decks
6%synergy
Enchantments
Tinybones Joins Up
70%inclusion60 decks86 decks
69%synergy
Necropotence
69%inclusion59 decks86 decks
62%synergy
Blind Obedience
66%inclusion57 decks86 decks
54%synergy
Touch the Spirit Realm
51%inclusion44 decks86 decks
49%synergy
Ripples of Undeath
44%inclusion38 decks86 decks
41%synergy
Amphibian Downpour
44%inclusion38 decks86 decks
40%synergy
Mirrormade
38%inclusion33 decks86 decks
29%synergy
Copy Artifact
37%inclusion32 decks86 decks
36%synergy
Static Prison
35%inclusion30 decks86 decks
34%synergy
The Meathook Massacre
27%inclusion23 decks86 decks
23%synergy
Steal Enchantment
26%inclusion22 decks86 decks
25%synergy
Counterbalance
19%inclusion16 decks86 decks
17%synergy
Founding the Third Path
19%inclusion16 decks86 decks
18%synergy
Chthonian Nightmare
17%inclusion15 decks86 decks
17%synergy
Chains of Mephistopheles
15%inclusion13 decks86 decks
15%synergy
Copy Enchantment
12%inclusion10 decks86 decks
7%synergy
Trouble in Pairs
12%inclusion10 decks86 decks
6%synergy
Monologue Tax
9.3%inclusion8 decks86 decks
3%synergy
Aura of Silence
9.3%inclusion8 decks86 decks
6%synergy
Second Chance
5.8%inclusion5 decks86 decks
6%synergy
Leyline of Anticipation
5.8%inclusion5 decks86 decks
1%synergy
Planeswalkers
Teferi, Time Raveler
56%inclusion48 decks86 decks
47%synergy
Utility Lands
Otawara, Soaring City
88%inclusion76 decks86 decks
69%synergy
Urza's Saga
40%inclusion34 decks86 decks
28%synergy
Emergence Zone
31%inclusion27 decks86 decks
29%synergy
Minamo, School at Water's Edge
23%inclusion20 decks86 decks
19%synergy
Cephalid Coliseum
21%inclusion18 decks86 decks
17%synergy
Takenuma, Abandoned Mire
13%inclusion11 decks86 decks
6%synergy
City of Traitors
8.1%inclusion7 decks86 decks
7%synergy
Hall of Heliod's Generosity
7.0%inclusion6 decks86 decks
-6%synergy
Mistrise Village
6.1%inclusion3 decks49 decks
2%synergy
Phyrexian Tower
5.8%inclusion5 decks86 decks
2%synergy
Serra's Sanctum
5.8%inclusion5 decks86 decks
4%synergy
Urborg, Tomb of Yawgmoth
5.8%inclusion5 decks86 decks
-7%synergy
Mana Artifacts
Sol Ring
100%inclusion86 decks86 decks
10%synergy
Arcane Signet
98%inclusion84 decks86 decks
10%synergy
Lotus Petal
92%inclusion79 decks86 decks
81%synergy
Talisman of Dominance
86%inclusion74 decks86 decks
37%synergy
Mox Diamond
83%inclusion71 decks86 decks
75%synergy
Fellwar Stone
79%inclusion68 decks86 decks
45%synergy
Mox Opal
76%inclusion65 decks86 decks
67%synergy
Lion's Eye Diamond
67%inclusion58 decks86 decks
65%synergy
Talisman of Progress
59%inclusion51 decks86 decks
16%synergy
Mox Amber
45%inclusion39 decks86 decks
39%synergy
Grim Monolith
35%inclusion30 decks86 decks
31%synergy
Talisman of Hierarchy
34%inclusion29 decks86 decks
-10%synergy
Dimir Signet
7.0%inclusion6 decks86 decks
-25%synergy
Orzhov Signet
5.8%inclusion5 decks86 decks
-28%synergy
Lands
Command Tower
99%inclusion85 decks86 decks
6%synergy
Polluted Delta
97%inclusion83 decks86 decks
59%synergy
Hallowed Fountain
97%inclusion83 decks86 decks
47%synergy
Godless Shrine
95%inclusion82 decks86 decks
45%synergy
Watery Grave
95%inclusion82 decks86 decks
45%synergy
Flooded Strand
94%inclusion81 decks86 decks
56%synergy
Marsh Flats
90%inclusion77 decks86 decks
53%synergy
City of Brass
88%inclusion76 decks86 decks
73%synergy
Gemstone Caverns
87%inclusion75 decks86 decks
79%synergy
Mana Confluence
86%inclusion74 decks86 decks
72%synergy
Tundra
83%inclusion71 decks86 decks
67%synergy
Underground Sea
83%inclusion71 decks86 decks
67%synergy
Scrubland
83%inclusion71 decks86 decks
67%synergy
Bloodstained Mire
83%inclusion71 decks86 decks
72%synergy
Misty Rainforest
77%inclusion66 decks86 decks
66%synergy
Verdant Catacombs
76%inclusion65 decks86 decks
65%synergy
Scalding Tarn
74%inclusion64 decks86 decks
63%synergy
Windswept Heath
73%inclusion63 decks86 decks
63%synergy
Morphic Pool
70%inclusion60 decks86 decks
36%synergy
Exotic Orchard
69%inclusion59 decks86 decks
10%synergy
Arid Mesa
62%inclusion53 decks86 decks
52%synergy
Undercity Sewers
58%inclusion50 decks86 decks
44%synergy
Sea of Clouds
53%inclusion46 decks86 decks
18%synergy
Island
48%inclusion41 decks86 decks
-45%synergy
Vault of Champions
47%inclusion40 decks86 decks
14%synergy
Swamp
44%inclusion38 decks86 decks
-47%synergy
Sink into Stupor
31%inclusion27 decks86 decks
19%synergy
Plains
30%inclusion26 decks86 decks
-61%synergy
Starting Town
29%inclusion10 decks34 decks
25%synergy
Meticulous Archive
23%inclusion20 decks86 decks
10%synergy
Cavern of Souls
19%inclusion16 decks86 decks
12%synergy
Forbidden Orchard
19%inclusion16 decks86 decks
16%synergy
Spire of Industry
16%inclusion14 decks86 decks
8%synergy
Shadowy Backstreet
14%inclusion12 decks86 decks
1%synergy
Underground River
10%inclusion9 decks86 decks
-23%synergy
Gloomlake Verge
10%inclusion9 decks86 decks
-1%synergy
Reflecting Pool
8.1%inclusion7 decks86 decks
0%synergy
Caves of Koilos
8.1%inclusion7 decks86 decks
-27%synergy
Talon Gates of Madara
7.0%inclusion6 decks86 decks
6%synergy
Adarkar Wastes
7.0%inclusion6 decks86 decks
-24%synergy
Glacial Fortress
5.8%inclusion5 decks86 decks
-35%synergy
Prismatic Vista
5.8%inclusion5 decks86 decks
2%synergy
Raffine's Tower
5.8%inclusion5 decks86 decks
-35%synergy
Snow-Covered Swamp
5.8%inclusion5 decks86 decks
3%synergy
Floodfarm Verge
5.8%inclusion5 decks86 decks
-5%synergy
Silent Clearing
5.8%inclusion5 decks86 decks
3%synergy
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