The Master of Keys (Commander) - cEDH Combo

The Master of Keys
Rank #304
93decks
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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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Enchantments
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Utility Lands
Mana Artifacts
Lands
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Tainted Pact
96%inclusion89 decks93 decks
89%synergy
Necromancy
92%inclusion86 decks93 decks
88%synergy
Abdel Adrian, Gorion's Ward
89%inclusion83 decks93 decks
88%synergy
Animate Dead
97%inclusion90 decks93 decks
87%synergy
Dance of the Dead
87%inclusion81 decks93 decks
85%synergy
Entomb
91%inclusion85 decks93 decks
85%synergy
Dress Down
86%inclusion80 decks93 decks
84%synergy
Demonic Consultation
91%inclusion85 decks93 decks
84%synergy
Silence
91%inclusion85 decks93 decks
81%synergy
Flusterstorm
88%inclusion82 decks93 decks
80%synergy
Top Cards
Mystic Remora
97%inclusion90 decks93 decks
76%synergy
Dark Ritual
96%inclusion89 decks93 decks
75%synergy
Esper Sentinel
96%inclusion89 decks93 decks
69%synergy
Swan Song
89%inclusion83 decks93 decks
69%synergy
Force of Negation
86%inclusion80 decks93 decks
74%synergy
Grand Abolisher
85%inclusion79 decks93 decks
70%synergy
Orcish Bowmasters
85%inclusion79 decks93 decks
75%synergy
Mindbreak Trap
84%inclusion78 decks93 decks
77%synergy
Mental Misstep
81%inclusion75 decks93 decks
74%synergy
Pact of Negation
81%inclusion75 decks93 decks
73%synergy
Game Changers
Thassa's Oracle
99%inclusion92 decks93 decks
90%synergy
Vampiric Tutor
96%inclusion89 decks93 decks
79%synergy
Demonic Tutor
95%inclusion88 decks93 decks
74%synergy
Enlightened Tutor
95%inclusion88 decks93 decks
76%synergy
Rhystic Study
94%inclusion87 decks93 decks
63%synergy
Mana Vault
94%inclusion87 decks93 decks
85%synergy
Chrome Mox
94%inclusion87 decks93 decks
85%synergy
Force of Will
92%inclusion86 decks93 decks
80%synergy
Smothering Tithe
90%inclusion84 decks93 decks
60%synergy
Ancient Tomb
90%inclusion84 decks93 decks
78%synergy
Creatures
Ranger-Captain of Eos
80%inclusion74 decks93 decks
74%synergy
Lotho, Corrupt Shirriff
77%inclusion72 decks93 decks
60%synergy
Valley Floodcaller
77%inclusion72 decks93 decks
74%synergy
Displacer Kitten
58%inclusion54 decks93 decks
51%synergy
Wan Shi Tong, Librarian
56%inclusion14 decks25 decks
51%synergy
Voice of Victory
51%inclusion29 decks57 decks
42%synergy
Mockingbird
51%inclusion47 decks93 decks
46%synergy
Hullbreaker Horror
51%inclusion47 decks93 decks
45%synergy
Opposition Agent
49%inclusion46 decks93 decks
42%synergy
Archivist of Oghma
45%inclusion42 decks93 decks
39%synergy
Lurrus of the Dream-Den
40%inclusion37 decks93 decks
38%synergy
Auriok Salvagers
39%inclusion36 decks93 decks
38%synergy
Drannith Magistrate
38%inclusion35 decks93 decks
30%synergy
Tataru Taru
37%inclusion16 decks43 decks
29%synergy
Exhibition Tidecaller
35%inclusion6 decks17 decks
35%synergy
Faerie Mastermind
30%inclusion28 decks93 decks
20%synergy
Phyrexian Metamorph
28%inclusion26 decks93 decks
20%synergy
Ledger Shredder
24%inclusion22 decks93 decks
15%synergy
Hedron Crab
23%inclusion21 decks93 decks
22%synergy
Talion, the Kindly Lord
20%inclusion19 decks93 decks
13%synergy
Pollywog Prodigy
17%inclusion16 decks93 decks
14%synergy
Psychic Frog
17%inclusion16 decks93 decks
10%synergy
Leonin Relic-Warder
13%inclusion12 decks93 decks
13%synergy
Ghostly Pilferer
13%inclusion12 decks93 decks
5%synergy
Dauthi Voidwalker
11%inclusion10 decks93 decks
5%synergy
Snapcaster Mage
10%inclusion9 decks93 decks
8%synergy
Malevolent Hermit
10%inclusion9 decks93 decks
9%synergy
Hoarding Broodlord
8.6%inclusion8 decks93 decks
7%synergy
Spellseeker
8.6%inclusion8 decks93 decks
7%synergy
Gran-Gran
8.0%inclusion2 decks25 decks
8%synergy
Phantasmal Image
7.5%inclusion7 decks93 decks
5%synergy
Volatile Stormdrake
5.4%inclusion5 decks93 decks
4%synergy
Walking Ballista
5.4%inclusion5 decks93 decks
3%synergy
Zur the Enchanter
5.4%inclusion5 decks93 decks
0%synergy
Instants
Swords to Plowshares
76%inclusion71 decks93 decks
9%synergy
Fierce Guardianship
73%inclusion68 decks93 decks
53%synergy
Intuition
72%inclusion67 decks93 decks
70%synergy
Mystical Tutor
71%inclusion66 decks93 decks
60%synergy
Borne Upon a Wind
70%inclusion65 decks93 decks
65%synergy
Cabal Ritual
62%inclusion58 decks93 decks
59%synergy
Cyclonic Rift
62%inclusion58 decks93 decks
40%synergy
An Offer You Can't Refuse
60%inclusion56 decks93 decks
32%synergy
Chain of Vapor
41%inclusion38 decks93 decks
38%synergy
Into the Flood Maw
41%inclusion38 decks93 decks
37%synergy
Gifts Ungiven
38%inclusion35 decks93 decks
35%synergy
Mana Drain
33%inclusion31 decks93 decks
16%synergy
Sink into Stupor
31%inclusion29 decks93 decks
18%synergy
Retraction Helix
22%inclusion20 decks93 decks
21%synergy
Brain Freeze
18%inclusion17 decks93 decks
18%synergy
Culling the Weak
18%inclusion17 decks93 decks
17%synergy
Ad Nauseam
18%inclusion17 decks93 decks
16%synergy
Dispel
15%inclusion14 decks93 decks
12%synergy
Banishing Knack
15%inclusion14 decks93 decks
15%synergy
Orim's Chant
14%inclusion13 decks93 decks
12%synergy
Darkblast
11%inclusion10 decks93 decks
11%synergy
Deadly Rollick
10%inclusion9 decks93 decks
-6%synergy
Counterspell
10%inclusion9 decks93 decks
-32%synergy
Path to Exile
10%inclusion9 decks93 decks
-33%synergy
Dovin's Veto
8.6%inclusion8 decks93 decks
-18%synergy
Commandeer
8.6%inclusion8 decks93 decks
7%synergy
Sacrifice
7.5%inclusion7 decks93 decks
7%synergy
Muddle the Mixture
7.5%inclusion7 decks93 decks
4%synergy
Lim-Dûl's Vault
7.5%inclusion7 decks93 decks
4%synergy
Angel's Grace
7.5%inclusion7 decks93 decks
5%synergy
Spell Pierce
7.5%inclusion7 decks93 decks
5%synergy
Saw in Half
7.5%inclusion7 decks93 decks
5%synergy
Strix Serenade
6.5%inclusion6 decks93 decks
3%synergy
Misdirection
5.4%inclusion5 decks93 decks
3%synergy
Sorceries
Imperial Seal
78%inclusion73 decks93 decks
72%synergy
Sevinne's Reclamation
74%inclusion69 decks93 decks
65%synergy
Toxic Deluge
37%inclusion34 decks93 decks
17%synergy
Lively Dirge
34%inclusion32 decks93 decks
33%synergy
Reanimate
34%inclusion32 decks93 decks
18%synergy
Beseech the Mirror
25%inclusion23 decks93 decks
21%synergy
Windfall
24%inclusion22 decks93 decks
11%synergy
Demonic Counsel
22%inclusion20 decks93 decks
21%synergy
Mnemonic Betrayal
18%inclusion17 decks93 decks
16%synergy
Flash Photography
15%inclusion4 decks26 decks
14%synergy
Cabal Therapy
12%inclusion11 decks93 decks
12%synergy
Yawgmoth's Will
12%inclusion11 decks93 decks
11%synergy
Praetor's Grasp
12%inclusion11 decks93 decks
9%synergy
Unmarked Grave
11%inclusion10 decks93 decks
9%synergy
Diabolic Intent
8.6%inclusion8 decks93 decks
4%synergy
Grim Tutor
6.5%inclusion6 decks93 decks
2%synergy
Gitaxian Probe
5.4%inclusion5 decks93 decks
4%synergy
Utility Artifacts
The One Ring
71%inclusion66 decks93 decks
58%synergy
Wishclaw Talisman
67%inclusion62 decks93 decks
59%synergy
Cursed Totem
12%inclusion11 decks93 decks
10%synergy
Agatha's Soul Cauldron
6.5%inclusion6 decks93 decks
6%synergy
Altar of Dementia
5.4%inclusion5 decks93 decks
4%synergy
Enchantments
Tinybones Joins Up
70%inclusion65 decks93 decks
69%synergy
Necropotence
67%inclusion62 decks93 decks
60%synergy
Blind Obedience
65%inclusion60 decks93 decks
53%synergy
Touch the Spirit Realm
48%inclusion45 decks93 decks
46%synergy
Ripples of Undeath
45%inclusion42 decks93 decks
42%synergy
Amphibian Downpour
45%inclusion42 decks93 decks
41%synergy
Mirrormade
40%inclusion37 decks93 decks
30%synergy
Copy Artifact
32%inclusion30 decks93 decks
31%synergy
Static Prison
30%inclusion28 decks93 decks
30%synergy
The Meathook Massacre
29%inclusion27 decks93 decks
26%synergy
Steal Enchantment
25%inclusion23 decks93 decks
24%synergy
Counterbalance
18%inclusion17 decks93 decks
17%synergy
Founding the Third Path
17%inclusion16 decks93 decks
17%synergy
Copy Enchantment
16%inclusion15 decks93 decks
11%synergy
Chains of Mephistopheles
16%inclusion15 decks93 decks
16%synergy
Chthonian Nightmare
15%inclusion14 decks93 decks
14%synergy
Trouble in Pairs
12%inclusion11 decks93 decks
7%synergy
Monologue Tax
10%inclusion9 decks93 decks
3%synergy
Aura of Silence
10%inclusion9 decks93 decks
7%synergy
Leyline of Anticipation
8.6%inclusion8 decks93 decks
4%synergy
Second Chance
6.5%inclusion6 decks93 decks
6%synergy
Planeswalkers
Teferi, Time Raveler
53%inclusion49 decks93 decks
44%synergy
Utility Lands
Otawara, Soaring City
88%inclusion82 decks93 decks
69%synergy
Urza's Saga
39%inclusion36 decks93 decks
27%synergy
Emergence Zone
30%inclusion28 decks93 decks
28%synergy
Cephalid Coliseum
23%inclusion21 decks93 decks
19%synergy
Minamo, School at Water's Edge
19%inclusion18 decks93 decks
16%synergy
Takenuma, Abandoned Mire
12%inclusion11 decks93 decks
5%synergy
City of Traitors
12%inclusion11 decks93 decks
11%synergy
Hall of Heliod's Generosity
7.5%inclusion7 decks93 decks
-5%synergy
Phyrexian Tower
5.4%inclusion5 decks93 decks
2%synergy
Serra's Sanctum
5.4%inclusion5 decks93 decks
4%synergy
Urborg, Tomb of Yawgmoth
5.4%inclusion5 decks93 decks
-8%synergy
Mistrise Village
5.3%inclusion3 decks57 decks
2%synergy
Mana Artifacts
Sol Ring
100%inclusion93 decks93 decks
10%synergy
Arcane Signet
98%inclusion91 decks93 decks
10%synergy
Lotus Petal
92%inclusion86 decks93 decks
82%synergy
Talisman of Dominance
82%inclusion76 decks93 decks
32%synergy
Mox Diamond
82%inclusion76 decks93 decks
75%synergy
Fellwar Stone
78%inclusion73 decks93 decks
45%synergy
Mox Opal
76%inclusion71 decks93 decks
68%synergy
Lion's Eye Diamond
67%inclusion62 decks93 decks
65%synergy
Talisman of Progress
55%inclusion51 decks93 decks
10%synergy
Mox Amber
45%inclusion42 decks93 decks
39%synergy
Grim Monolith
37%inclusion34 decks93 decks
33%synergy
Talisman of Hierarchy
33%inclusion31 decks93 decks
-11%synergy
Dimir Signet
7.5%inclusion7 decks93 decks
-22%synergy
Orzhov Signet
6.5%inclusion6 decks93 decks
-25%synergy
Azorius Signet
5.4%inclusion5 decks93 decks
-24%synergy
Lands
Command Tower
99%inclusion92 decks93 decks
6%synergy
Polluted Delta
97%inclusion90 decks93 decks
59%synergy
Godless Shrine
96%inclusion89 decks93 decks
44%synergy
Hallowed Fountain
96%inclusion89 decks93 decks
45%synergy
Watery Grave
96%inclusion89 decks93 decks
44%synergy
Flooded Strand
94%inclusion87 decks93 decks
55%synergy
Marsh Flats
89%inclusion83 decks93 decks
53%synergy
City of Brass
89%inclusion83 decks93 decks
74%synergy
Gemstone Caverns
87%inclusion81 decks93 decks
80%synergy
Mana Confluence
84%inclusion78 decks93 decks
70%synergy
Tundra
83%inclusion77 decks93 decks
67%synergy
Underground Sea
83%inclusion77 decks93 decks
67%synergy
Scrubland
83%inclusion77 decks93 decks
67%synergy
Bloodstained Mire
82%inclusion76 decks93 decks
71%synergy
Misty Rainforest
76%inclusion71 decks93 decks
66%synergy
Verdant Catacombs
75%inclusion70 decks93 decks
66%synergy
Scalding Tarn
74%inclusion69 decks93 decks
64%synergy
Windswept Heath
71%inclusion66 decks93 decks
62%synergy
Morphic Pool
71%inclusion66 decks93 decks
37%synergy
Exotic Orchard
67%inclusion62 decks93 decks
8%synergy
Arid Mesa
62%inclusion58 decks93 decks
53%synergy
Undercity Sewers
56%inclusion52 decks93 decks
41%synergy
Sea of Clouds
56%inclusion52 decks93 decks
21%synergy
Vault of Champions
46%inclusion43 decks93 decks
14%synergy
Island
45%inclusion42 decks93 decks
-48%synergy
Swamp
44%inclusion41 decks93 decks
-48%synergy
Starting Town
37%inclusion16 decks43 decks
33%synergy
Plains
32%inclusion30 decks93 decks
-60%synergy
Sink into Stupor
31%inclusion29 decks93 decks
18%synergy
Meticulous Archive
25%inclusion23 decks93 decks
11%synergy
Cavern of Souls
24%inclusion22 decks93 decks
17%synergy
Spire of Industry
17%inclusion16 decks93 decks
10%synergy
Shadowy Backstreet
16%inclusion15 decks93 decks
3%synergy
Forbidden Orchard
16%inclusion15 decks93 decks
14%synergy
Underground River
8.6%inclusion8 decks93 decks
-26%synergy
Gloomlake Verge
8.6%inclusion8 decks93 decks
-2%synergy
Caves of Koilos
7.5%inclusion7 decks93 decks
-28%synergy
Reflecting Pool
7.5%inclusion7 decks93 decks
-1%synergy
Floodfarm Verge
7.5%inclusion7 decks93 decks
-4%synergy
Prismatic Vista
6.5%inclusion6 decks93 decks
3%synergy
Raffine's Tower
6.5%inclusion6 decks93 decks
-34%synergy
Adarkar Wastes
6.5%inclusion6 decks93 decks
-26%synergy
Silent Clearing
6.5%inclusion6 decks93 decks
4%synergy
Glacial Fortress
5.4%inclusion5 decks93 decks
-38%synergy
Snow-Covered Swamp
5.4%inclusion5 decks93 decks
3%synergy
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