The Master of Keys (Commander) - cEDH Combo

The Master of Keys
Rank #300
90decks
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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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Exhibition Tidecaller
33%inclusion3 decks9 decks
33%synergy
Does Machines
7.1%inclusion1 decks14 decks
7%synergy
High Synergy Cards
Necromancy
93%inclusion84 decks90 decks
89%synergy
Tainted Pact
96%inclusion86 decks90 decks
89%synergy
Abdel Adrian, Gorion's Ward
90%inclusion81 decks90 decks
88%synergy
Animate Dead
98%inclusion88 decks90 decks
88%synergy
Dance of the Dead
88%inclusion79 decks90 decks
86%synergy
Entomb
92%inclusion83 decks90 decks
85%synergy
Demonic Consultation
92%inclusion83 decks90 decks
84%synergy
Dress Down
86%inclusion77 decks90 decks
83%synergy
Silence
91%inclusion82 decks90 decks
81%synergy
Flusterstorm
88%inclusion79 decks90 decks
80%synergy
Top Cards
Dark Ritual
97%inclusion87 decks90 decks
77%synergy
Mystic Remora
97%inclusion87 decks90 decks
76%synergy
Esper Sentinel
96%inclusion86 decks90 decks
68%synergy
Swan Song
89%inclusion80 decks90 decks
69%synergy
Grand Abolisher
89%inclusion80 decks90 decks
74%synergy
Force of Negation
86%inclusion77 decks90 decks
74%synergy
Orcish Bowmasters
86%inclusion77 decks90 decks
75%synergy
Mental Misstep
83%inclusion75 decks90 decks
77%synergy
Mindbreak Trap
83%inclusion75 decks90 decks
77%synergy
Pact of Negation
83%inclusion75 decks90 decks
76%synergy
Game Changers
Thassa's Oracle
99%inclusion89 decks90 decks
90%synergy
Demonic Tutor
96%inclusion86 decks90 decks
75%synergy
Vampiric Tutor
96%inclusion86 decks90 decks
79%synergy
Rhystic Study
94%inclusion85 decks90 decks
64%synergy
Mana Vault
94%inclusion85 decks90 decks
86%synergy
Enlightened Tutor
94%inclusion85 decks90 decks
75%synergy
Chrome Mox
94%inclusion85 decks90 decks
85%synergy
Force of Will
92%inclusion83 decks90 decks
80%synergy
Ancient Tomb
91%inclusion82 decks90 decks
79%synergy
Smothering Tithe
90%inclusion81 decks90 decks
59%synergy
Creatures
Valley Floodcaller
81%inclusion73 decks90 decks
77%synergy
Ranger-Captain of Eos
81%inclusion73 decks90 decks
75%synergy
Lotho, Corrupt Shirriff
79%inclusion71 decks90 decks
62%synergy
Wan Shi Tong, Librarian
68%inclusion13 decks19 decks
63%synergy
Displacer Kitten
59%inclusion53 decks90 decks
52%synergy
Voice of Victory
55%inclusion29 decks53 decks
46%synergy
Mockingbird
52%inclusion47 decks90 decks
48%synergy
Hullbreaker Horror
51%inclusion46 decks90 decks
45%synergy
Archivist of Oghma
48%inclusion43 decks90 decks
41%synergy
Opposition Agent
48%inclusion43 decks90 decks
40%synergy
Drannith Magistrate
40%inclusion36 decks90 decks
32%synergy
Lurrus of the Dream-Den
38%inclusion34 decks90 decks
36%synergy
Auriok Salvagers
37%inclusion33 decks90 decks
36%synergy
Tataru Taru
36%inclusion14 decks39 decks
28%synergy
Faerie Mastermind
30%inclusion27 decks90 decks
20%synergy
Phyrexian Metamorph
29%inclusion26 decks90 decks
21%synergy
Hedron Crab
24%inclusion22 decks90 decks
24%synergy
Ledger Shredder
24%inclusion22 decks90 decks
16%synergy
Talion, the Kindly Lord
20%inclusion18 decks90 decks
12%synergy
Pollywog Prodigy
18%inclusion16 decks90 decks
14%synergy
Psychic Frog
17%inclusion15 decks90 decks
10%synergy
Ghostly Pilferer
17%inclusion15 decks90 decks
9%synergy
Leonin Relic-Warder
13%inclusion12 decks90 decks
13%synergy
Dauthi Voidwalker
11%inclusion10 decks90 decks
5%synergy
Snapcaster Mage
10%inclusion9 decks90 decks
8%synergy
Malevolent Hermit
10%inclusion9 decks90 decks
9%synergy
Spellseeker
8.9%inclusion8 decks90 decks
7%synergy
Hoarding Broodlord
7.8%inclusion7 decks90 decks
6%synergy
Abigale, Eloquent First-Year
7.1%inclusion1 decks14 decks
7%synergy
Phantasmal Image
6.7%inclusion6 decks90 decks
4%synergy
High Fae Trickster
6.3%inclusion5 decks79 decks
2%synergy
Volatile Stormdrake
5.6%inclusion5 decks90 decks
4%synergy
Flesh Duplicate
5.6%inclusion5 decks90 decks
5%synergy
Zur the Enchanter
5.6%inclusion5 decks90 decks
0%synergy
Gran-Gran
5.3%inclusion1 decks19 decks
5%synergy
Emet-Selch of the Third Seat
5.1%inclusion2 decks39 decks
-4%synergy
Instants
Swords to Plowshares
76%inclusion68 decks90 decks
8%synergy
Intuition
74%inclusion67 decks90 decks
73%synergy
Fierce Guardianship
73%inclusion66 decks90 decks
53%synergy
Borne Upon a Wind
72%inclusion65 decks90 decks
67%synergy
Mystical Tutor
71%inclusion64 decks90 decks
60%synergy
Cabal Ritual
63%inclusion57 decks90 decks
60%synergy
Cyclonic Rift
59%inclusion53 decks90 decks
36%synergy
An Offer You Can't Refuse
58%inclusion52 decks90 decks
30%synergy
Into the Flood Maw
42%inclusion38 decks90 decks
39%synergy
Chain of Vapor
40%inclusion36 decks90 decks
37%synergy
Gifts Ungiven
39%inclusion35 decks90 decks
36%synergy
Sink into Stupor
33%inclusion30 decks90 decks
21%synergy
Mana Drain
32%inclusion29 decks90 decks
15%synergy
Retraction Helix
24%inclusion22 decks90 decks
24%synergy
Culling the Weak
20%inclusion18 decks90 decks
18%synergy
Brain Freeze
17%inclusion15 decks90 decks
16%synergy
Ad Nauseam
16%inclusion14 decks90 decks
13%synergy
Dispel
14%inclusion13 decks90 decks
11%synergy
Banishing Knack
14%inclusion13 decks90 decks
14%synergy
Darkblast
13%inclusion12 decks90 decks
13%synergy
Orim's Chant
11%inclusion10 decks90 decks
9%synergy
Deadly Rollick
10%inclusion9 decks90 decks
-5%synergy
Path to Exile
10%inclusion9 decks90 decks
-32%synergy
Sacrifice
8.9%inclusion8 decks90 decks
8%synergy
Dovin's Veto
7.8%inclusion7 decks90 decks
-18%synergy
Saw in Half
7.8%inclusion7 decks90 decks
6%synergy
Counterspell
7.8%inclusion7 decks90 decks
-34%synergy
Lim-Dûl's Vault
6.7%inclusion6 decks90 decks
4%synergy
Strix Serenade
6.7%inclusion6 decks90 decks
3%synergy
Angel's Grace
5.6%inclusion5 decks90 decks
3%synergy
Commandeer
5.6%inclusion5 decks90 decks
4%synergy
Spell Pierce
5.6%inclusion5 decks90 decks
3%synergy
Sorceries
Imperial Seal
80%inclusion72 decks90 decks
73%synergy
Sevinne's Reclamation
77%inclusion69 decks90 decks
68%synergy
Toxic Deluge
38%inclusion34 decks90 decks
18%synergy
Reanimate
37%inclusion33 decks90 decks
20%synergy
Lively Dirge
33%inclusion30 decks90 decks
32%synergy
Beseech the Mirror
23%inclusion21 decks90 decks
19%synergy
Demonic Counsel
22%inclusion20 decks90 decks
21%synergy
Windfall
21%inclusion19 decks90 decks
8%synergy
Mnemonic Betrayal
18%inclusion16 decks90 decks
15%synergy
Flash Photography
14%inclusion3 decks21 decks
13%synergy
Cabal Therapy
13%inclusion12 decks90 decks
13%synergy
Praetor's Grasp
12%inclusion11 decks90 decks
9%synergy
Unmarked Grave
11%inclusion10 decks90 decks
10%synergy
Yawgmoth's Will
11%inclusion10 decks90 decks
10%synergy
Diabolic Intent
8.9%inclusion8 decks90 decks
4%synergy
Gitaxian Probe
5.6%inclusion5 decks90 decks
4%synergy
Grim Tutor
5.6%inclusion5 decks90 decks
1%synergy
Utility Artifacts
The One Ring
72%inclusion65 decks90 decks
59%synergy
Wishclaw Talisman
64%inclusion58 decks90 decks
57%synergy
Cursed Totem
12%inclusion11 decks90 decks
10%synergy
Agatha's Soul Cauldron
6.7%inclusion6 decks90 decks
6%synergy
Enchantments
Tinybones Joins Up
70%inclusion63 decks90 decks
69%synergy
Blind Obedience
68%inclusion61 decks90 decks
56%synergy
Necropotence
67%inclusion60 decks90 decks
60%synergy
Touch the Spirit Realm
50%inclusion45 decks90 decks
48%synergy
Amphibian Downpour
46%inclusion41 decks90 decks
41%synergy
Ripples of Undeath
44%inclusion40 decks90 decks
42%synergy
Mirrormade
41%inclusion37 decks90 decks
31%synergy
Copy Artifact
34%inclusion31 decks90 decks
33%synergy
Static Prison
34%inclusion31 decks90 decks
34%synergy
The Meathook Massacre
27%inclusion24 decks90 decks
23%synergy
Steal Enchantment
23%inclusion21 decks90 decks
22%synergy
Counterbalance
19%inclusion17 decks90 decks
17%synergy
Founding the Third Path
19%inclusion17 decks90 decks
19%synergy
Chthonian Nightmare
17%inclusion15 decks90 decks
16%synergy
Chains of Mephistopheles
17%inclusion15 decks90 decks
16%synergy
Copy Enchantment
16%inclusion14 decks90 decks
11%synergy
Trouble in Pairs
11%inclusion10 decks90 decks
6%synergy
Monologue Tax
10%inclusion9 decks90 decks
4%synergy
Aura of Silence
8.9%inclusion8 decks90 decks
6%synergy
Leyline of Anticipation
6.7%inclusion6 decks90 decks
2%synergy
Second Chance
5.6%inclusion5 decks90 decks
5%synergy
Planeswalkers
Teferi, Time Raveler
53%inclusion48 decks90 decks
45%synergy
Utility Lands
Otawara, Soaring City
89%inclusion80 decks90 decks
70%synergy
Urza's Saga
39%inclusion35 decks90 decks
27%synergy
Emergence Zone
31%inclusion28 decks90 decks
29%synergy
Cephalid Coliseum
23%inclusion21 decks90 decks
20%synergy
Minamo, School at Water's Edge
22%inclusion20 decks90 decks
18%synergy
Takenuma, Abandoned Mire
11%inclusion10 decks90 decks
5%synergy
City of Traitors
11%inclusion10 decks90 decks
10%synergy
Phyrexian Tower
6.7%inclusion6 decks90 decks
3%synergy
Hall of Heliod's Generosity
6.7%inclusion6 decks90 decks
-6%synergy
Mistrise Village
5.7%inclusion3 decks53 decks
2%synergy
Serra's Sanctum
5.6%inclusion5 decks90 decks
4%synergy
Urborg, Tomb of Yawgmoth
5.6%inclusion5 decks90 decks
-7%synergy
Mana Artifacts
Sol Ring
100%inclusion90 decks90 decks
10%synergy
Arcane Signet
98%inclusion88 decks90 decks
10%synergy
Lotus Petal
92%inclusion83 decks90 decks
82%synergy
Mox Diamond
83%inclusion75 decks90 decks
76%synergy
Talisman of Dominance
82%inclusion74 decks90 decks
32%synergy
Fellwar Stone
80%inclusion72 decks90 decks
47%synergy
Mox Opal
76%inclusion68 decks90 decks
67%synergy
Lion's Eye Diamond
68%inclusion61 decks90 decks
66%synergy
Talisman of Progress
56%inclusion50 decks90 decks
12%synergy
Mox Amber
44%inclusion40 decks90 decks
38%synergy
Grim Monolith
34%inclusion31 decks90 decks
31%synergy
Talisman of Hierarchy
31%inclusion28 decks90 decks
-13%synergy
Dimir Signet
7.8%inclusion7 decks90 decks
-23%synergy
Orzhov Signet
6.7%inclusion6 decks90 decks
-26%synergy
Azorius Signet
5.6%inclusion5 decks90 decks
-25%synergy
Lands
Command Tower
99%inclusion89 decks90 decks
6%synergy
Polluted Delta
97%inclusion87 decks90 decks
59%synergy
Godless Shrine
96%inclusion86 decks90 decks
44%synergy
Watery Grave
96%inclusion86 decks90 decks
45%synergy
Hallowed Fountain
96%inclusion86 decks90 decks
45%synergy
Flooded Strand
94%inclusion85 decks90 decks
56%synergy
Marsh Flats
90%inclusion81 decks90 decks
54%synergy
City of Brass
89%inclusion80 decks90 decks
74%synergy
Gemstone Caverns
88%inclusion79 decks90 decks
80%synergy
Mana Confluence
86%inclusion77 decks90 decks
72%synergy
Tundra
83%inclusion75 decks90 decks
67%synergy
Underground Sea
83%inclusion75 decks90 decks
68%synergy
Scrubland
83%inclusion75 decks90 decks
67%synergy
Bloodstained Mire
82%inclusion74 decks90 decks
72%synergy
Misty Rainforest
79%inclusion71 decks90 decks
68%synergy
Verdant Catacombs
77%inclusion69 decks90 decks
67%synergy
Scalding Tarn
76%inclusion68 decks90 decks
65%synergy
Windswept Heath
72%inclusion65 decks90 decks
63%synergy
Morphic Pool
69%inclusion62 decks90 decks
35%synergy
Exotic Orchard
68%inclusion61 decks90 decks
9%synergy
Arid Mesa
61%inclusion55 decks90 decks
52%synergy
Undercity Sewers
57%inclusion51 decks90 decks
42%synergy
Sea of Clouds
52%inclusion47 decks90 decks
17%synergy
Island
46%inclusion41 decks90 decks
-47%synergy
Swamp
43%inclusion39 decks90 decks
-48%synergy
Vault of Champions
43%inclusion39 decks90 decks
11%synergy
Starting Town
36%inclusion14 decks39 decks
32%synergy
Sink into Stupor
33%inclusion30 decks90 decks
21%synergy
Plains
30%inclusion27 decks90 decks
-62%synergy
Meticulous Archive
23%inclusion21 decks90 decks
9%synergy
Cavern of Souls
21%inclusion19 decks90 decks
14%synergy
Forbidden Orchard
17%inclusion15 decks90 decks
14%synergy
Spire of Industry
16%inclusion14 decks90 decks
8%synergy
Shadowy Backstreet
14%inclusion13 decks90 decks
2%synergy
Gloomlake Verge
11%inclusion10 decks90 decks
0%synergy
Underground River
10%inclusion9 decks90 decks
-24%synergy
Caves of Koilos
7.8%inclusion7 decks90 decks
-28%synergy
Reflecting Pool
7.8%inclusion7 decks90 decks
0%synergy
Floodfarm Verge
7.8%inclusion7 decks90 decks
-3%synergy
Talon Gates of Madara
6.7%inclusion6 decks90 decks
5%synergy
Adarkar Wastes
6.7%inclusion6 decks90 decks
-25%synergy
Prismatic Vista
5.6%inclusion5 decks90 decks
2%synergy
Glacial Fortress
5.6%inclusion5 decks90 decks
-37%synergy
Raffine's Tower
5.6%inclusion5 decks90 decks
-35%synergy
Silent Clearing
5.6%inclusion5 decks90 decks
3%synergy
Snow-Covered Swamp
5.6%inclusion5 decks90 decks
3%synergy
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