The Master of Keys (Commander) - Expensive cEDH

The Master of Keys
Rank #301
61decks
As CommanderAs CardAverage DeckDecksView Precon
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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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Utility Lands
Mana Artifacts
Lands
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Intuition
97%inclusion59 decks61 decks
95%synergy
Necromancy
97%inclusion59 decks61 decks
92%synergy
Abdel Adrian, Gorion's Ward
90%inclusion55 decks61 decks
89%synergy
Mindbreak Trap
92%inclusion56 decks61 decks
85%synergy
Entomb
92%inclusion56 decks61 decks
85%synergy
Tainted Pact
90%inclusion55 decks61 decks
84%synergy
Dress Down
85%inclusion52 decks61 decks
83%synergy
Thassa's Oracle
92%inclusion56 decks61 decks
83%synergy
Animate Dead
92%inclusion56 decks61 decks
82%synergy
Mental Misstep
89%inclusion54 decks61 decks
82%synergy
Top Cards
Esper Sentinel
100%inclusion61 decks61 decks
73%synergy
Mystic Remora
100%inclusion61 decks61 decks
80%synergy
Dark Ritual
97%inclusion59 decks61 decks
76%synergy
Swan Song
90%inclusion55 decks61 decks
70%synergy
Force of Negation
89%inclusion54 decks61 decks
77%synergy
Silence
89%inclusion54 decks61 decks
79%synergy
Orcish Bowmasters
89%inclusion54 decks61 decks
79%synergy
Imperial Seal
85%inclusion52 decks61 decks
78%synergy
Lotho, Corrupt Shirriff
84%inclusion51 decks61 decks
67%synergy
Dance of the Dead
84%inclusion51 decks61 decks
81%synergy
Game Changers
Mana Vault
100%inclusion61 decks61 decks
91%synergy
Force of Will
100%inclusion61 decks61 decks
88%synergy
Ancient Tomb
98%inclusion60 decks61 decks
86%synergy
Rhystic Study
98%inclusion60 decks61 decks
68%synergy
Chrome Mox
98%inclusion60 decks61 decks
89%synergy
Vampiric Tutor
98%inclusion60 decks61 decks
82%synergy
Mox Diamond
98%inclusion60 decks61 decks
92%synergy
Demonic Tutor
98%inclusion60 decks61 decks
78%synergy
Enlightened Tutor
98%inclusion60 decks61 decks
80%synergy
Smothering Tithe
97%inclusion59 decks61 decks
67%synergy
Creatures
Ranger-Captain of Eos
82%inclusion50 decks61 decks
76%synergy
Grand Abolisher
77%inclusion47 decks61 decks
63%synergy
Valley Floodcaller
74%inclusion45 decks61 decks
70%synergy
Voice of Victory
60%inclusion27 decks45 decks
52%synergy
Exhibition Tidecaller
57%inclusion8 decks14 decks
57%synergy
Auriok Salvagers
52%inclusion32 decks61 decks
52%synergy
Opposition Agent
51%inclusion31 decks61 decks
43%synergy
Mockingbird
48%inclusion29 decks61 decks
43%synergy
Displacer Kitten
46%inclusion28 decks61 decks
39%synergy
Wan Shi Tong, Librarian
44%inclusion11 decks25 decks
39%synergy
Hullbreaker Horror
43%inclusion26 decks61 decks
37%synergy
Archivist of Oghma
38%inclusion23 decks61 decks
31%synergy
Tataru Taru
36%inclusion14 decks39 decks
27%synergy
Ledger Shredder
34%inclusion21 decks61 decks
26%synergy
Faerie Mastermind
33%inclusion20 decks61 decks
23%synergy
Lurrus of the Dream-Den
31%inclusion19 decks61 decks
30%synergy
Drannith Magistrate
30%inclusion18 decks61 decks
22%synergy
Hedron Crab
21%inclusion13 decks61 decks
21%synergy
Ghostly Pilferer
21%inclusion13 decks61 decks
14%synergy
Psychic Frog
16%inclusion10 decks61 decks
9%synergy
Phyrexian Metamorph
15%inclusion9 decks61 decks
7%synergy
Talion, the Kindly Lord
15%inclusion9 decks61 decks
7%synergy
High Fae Trickster
13%inclusion8 decks60 decks
9%synergy
Gran-Gran
12%inclusion3 decks25 decks
12%synergy
Snapcaster Mage
11%inclusion7 decks61 decks
9%synergy
Pollywog Prodigy
11%inclusion7 decks61 decks
8%synergy
Malevolent Hermit
8.2%inclusion5 decks61 decks
8%synergy
Emet-Selch of the Third Seat
7.7%inclusion3 decks39 decks
-2%synergy
Doom Whisperer
6.6%inclusion4 decks61 decks
5%synergy
Leonin Relic-Warder
6.6%inclusion4 decks61 decks
6%synergy
Clever Impersonator
6.6%inclusion4 decks61 decks
5%synergy
Instants
Flusterstorm
84%inclusion51 decks61 decks
76%synergy
Pact of Negation
79%inclusion48 decks61 decks
71%synergy
Borne Upon a Wind
77%inclusion47 decks61 decks
72%synergy
Fierce Guardianship
75%inclusion46 decks61 decks
55%synergy
Demonic Consultation
74%inclusion45 decks61 decks
66%synergy
Cabal Ritual
66%inclusion40 decks61 decks
62%synergy
Mystical Tutor
64%inclusion39 decks61 decks
53%synergy
Swords to Plowshares
59%inclusion36 decks61 decks
-9%synergy
Gifts Ungiven
49%inclusion30 decks61 decks
46%synergy
An Offer You Can't Refuse
46%inclusion28 decks61 decks
18%synergy
Cyclonic Rift
41%inclusion25 decks61 decks
18%synergy
Into the Flood Maw
38%inclusion23 decks61 decks
34%synergy
Darkblast
34%inclusion21 decks61 decks
34%synergy
Mana Drain
31%inclusion19 decks61 decks
14%synergy
Chain of Vapor
28%inclusion17 decks61 decks
25%synergy
Sink into Stupor
26%inclusion16 decks61 decks
13%synergy
Retraction Helix
25%inclusion15 decks61 decks
24%synergy
Orim's Chant
21%inclusion13 decks61 decks
19%synergy
Brain Freeze
20%inclusion12 decks61 decks
19%synergy
Culling the Weak
18%inclusion11 decks61 decks
16%synergy
Dispel
18%inclusion11 decks61 decks
15%synergy
Banishing Knack
15%inclusion9 decks61 decks
14%synergy
Ad Nauseam
15%inclusion9 decks61 decks
13%synergy
Path to Exile
11%inclusion7 decks61 decks
-31%synergy
Deadly Rollick
8.2%inclusion5 decks61 decks
-8%synergy
Flare of Denial
8.2%inclusion5 decks61 decks
6%synergy
Rain of Filth
8.2%inclusion5 decks61 decks
8%synergy
Muddle the Mixture
6.6%inclusion4 decks61 decks
3%synergy
Lim-Dûl's Vault
6.6%inclusion4 decks61 decks
4%synergy
Angel's Grace
6.6%inclusion4 decks61 decks
4%synergy
Commandeer
6.6%inclusion4 decks61 decks
5%synergy
Misdirection
6.6%inclusion4 decks61 decks
4%synergy
Louisoix's Sacrifice
5.6%inclusion2 decks36 decks
5%synergy
Sorceries
Sevinne's Reclamation
75%inclusion46 decks61 decks
67%synergy
Beseech the Mirror
34%inclusion21 decks61 decks
30%synergy
Windfall
33%inclusion20 decks61 decks
20%synergy
Reanimate
31%inclusion19 decks61 decks
15%synergy
Lively Dirge
28%inclusion17 decks61 decks
27%synergy
Flash Photography
24%inclusion6 decks25 decks
23%synergy
Yawgmoth's Will
20%inclusion12 decks61 decks
18%synergy
Toxic Deluge
20%inclusion12 decks61 decks
-0%synergy
Demonic Counsel
15%inclusion9 decks61 decks
14%synergy
Timetwister
13%inclusion8 decks61 decks
12%synergy
Cabal Therapy
11%inclusion7 decks61 decks
11%synergy
Diabolic Intent
11%inclusion7 decks61 decks
7%synergy
Mnemonic Betrayal
10%inclusion6 decks61 decks
7%synergy
Praetor's Grasp
8.2%inclusion5 decks61 decks
5%synergy
Unmarked Grave
6.6%inclusion4 decks61 decks
5%synergy
Transmute Artifact
6.6%inclusion4 decks61 decks
5%synergy
Utility Artifacts
The One Ring
64%inclusion39 decks61 decks
51%synergy
Wishclaw Talisman
56%inclusion34 decks61 decks
48%synergy
Vexing Bauble
11%inclusion7 decks61 decks
10%synergy
Mesmeric Orb
8.2%inclusion5 decks61 decks
7%synergy
Enchantments
Tinybones Joins Up
75%inclusion46 decks61 decks
74%synergy
Chains of Mephistopheles
64%inclusion39 decks61 decks
64%synergy
Necropotence
59%inclusion36 decks61 decks
53%synergy
Amphibian Downpour
59%inclusion36 decks61 decks
54%synergy
Mirrormade
59%inclusion36 decks61 decks
49%synergy
Copy Artifact
52%inclusion32 decks61 decks
51%synergy
The Meathook Massacre
51%inclusion31 decks61 decks
48%synergy
Blind Obedience
48%inclusion29 decks61 decks
36%synergy
Ripples of Undeath
43%inclusion26 decks61 decks
40%synergy
Touch the Spirit Realm
41%inclusion25 decks61 decks
39%synergy
Static Prison
41%inclusion25 decks61 decks
41%synergy
Steal Enchantment
38%inclusion23 decks61 decks
37%synergy
Founding the Third Path
34%inclusion21 decks61 decks
34%synergy
Counterbalance
30%inclusion18 decks61 decks
28%synergy
Copy Enchantment
30%inclusion18 decks61 decks
25%synergy
Trouble in Pairs
21%inclusion13 decks61 decks
16%synergy
Leyline of Anticipation
13%inclusion8 decks61 decks
9%synergy
Monologue Tax
13%inclusion8 decks61 decks
6%synergy
Aura of Silence
11%inclusion7 decks61 decks
8%synergy
Mornsong Aria
10%inclusion2 decks21 decks
9%synergy
Power Artifact
8.2%inclusion5 decks61 decks
8%synergy
Charitable Levy
8.2%inclusion5 decks61 decks
8%synergy
Seal of Cleansing
8.2%inclusion5 decks61 decks
7%synergy
Stillness in Motion
7.0%inclusion3 decks43 decks
7%synergy
Teval's Judgment
6.7%inclusion3 decks45 decks
6%synergy
Planeswalkers
Teferi, Time Raveler
43%inclusion26 decks61 decks
34%synergy
Tezzeret, Cruel Captain
9.1%inclusion3 decks33 decks
7%synergy
Utility Lands
Otawara, Soaring City
89%inclusion54 decks61 decks
69%synergy
City of Traitors
44%inclusion27 decks61 decks
43%synergy
Urza's Saga
36%inclusion22 decks61 decks
24%synergy
Emergence Zone
31%inclusion19 decks61 decks
29%synergy
Cephalid Coliseum
31%inclusion19 decks61 decks
28%synergy
Minamo, School at Water's Edge
25%inclusion15 decks61 decks
21%synergy
Serra's Sanctum
25%inclusion15 decks61 decks
23%synergy
Urborg, Tomb of Yawgmoth
11%inclusion7 decks61 decks
-1%synergy
Phyrexian Tower
10%inclusion6 decks61 decks
6%synergy
Bazaar of Baghdad
10%inclusion6 decks61 decks
10%synergy
Takenuma, Abandoned Mire
10%inclusion6 decks61 decks
4%synergy
Mana Artifacts
Sol Ring
100%inclusion61 decks61 decks
10%synergy
Arcane Signet
97%inclusion59 decks61 decks
9%synergy
Lotus Petal
97%inclusion59 decks61 decks
86%synergy
Lion's Eye Diamond
87%inclusion53 decks61 decks
85%synergy
Mox Opal
84%inclusion51 decks61 decks
75%synergy
Talisman of Dominance
69%inclusion42 decks61 decks
19%synergy
Fellwar Stone
66%inclusion40 decks61 decks
33%synergy
Grim Monolith
61%inclusion37 decks61 decks
57%synergy
Talisman of Progress
46%inclusion28 decks61 decks
1%synergy
Mox Amber
43%inclusion26 decks61 decks
36%synergy
Talisman of Hierarchy
23%inclusion14 decks61 decks
-22%synergy
Basalt Monolith
10%inclusion6 decks61 decks
8%synergy
Lands
Tundra
100%inclusion61 decks61 decks
84%synergy
Command Tower
100%inclusion61 decks61 decks
7%synergy
Underground Sea
100%inclusion61 decks61 decks
84%synergy
Scrubland
100%inclusion61 decks61 decks
84%synergy
Marsh Flats
100%inclusion61 decks61 decks
64%synergy
Polluted Delta
100%inclusion61 decks61 decks
62%synergy
Flooded Strand
100%inclusion61 decks61 decks
61%synergy
Watery Grave
97%inclusion59 decks61 decks
45%synergy
Gemstone Caverns
93%inclusion57 decks61 decks
86%synergy
Mana Confluence
93%inclusion57 decks61 decks
80%synergy
Hallowed Fountain
93%inclusion57 decks61 decks
42%synergy
City of Brass
93%inclusion57 decks61 decks
78%synergy
Godless Shrine
92%inclusion56 decks61 decks
40%synergy
Misty Rainforest
87%inclusion53 decks61 decks
76%synergy
Verdant Catacombs
80%inclusion49 decks61 decks
71%synergy
Scalding Tarn
79%inclusion48 decks61 decks
68%synergy
Bloodstained Mire
75%inclusion46 decks61 decks
65%synergy
Morphic Pool
67%inclusion41 decks61 decks
34%synergy
Windswept Heath
66%inclusion40 decks61 decks
56%synergy
Arid Mesa
61%inclusion37 decks61 decks
51%synergy
Exotic Orchard
57%inclusion35 decks61 decks
-2%synergy
Undercity Sewers
52%inclusion32 decks61 decks
38%synergy
Sea of Clouds
43%inclusion26 decks61 decks
8%synergy
Starting Town
41%inclusion16 decks39 decks
37%synergy
Vault of Champions
34%inclusion21 decks61 decks
2%synergy
Island
33%inclusion20 decks61 decks
-60%synergy
Swamp
26%inclusion16 decks61 decks
-66%synergy
Sink into Stupor
26%inclusion16 decks61 decks
13%synergy
Shadowy Backstreet
23%inclusion14 decks61 decks
10%synergy
Cavern of Souls
23%inclusion14 decks61 decks
16%synergy
Meticulous Archive
20%inclusion12 decks61 decks
6%synergy
Plains
15%inclusion9 decks61 decks
-77%synergy
Tarnished Citadel
13%inclusion8 decks61 decks
12%synergy
Spire of Industry
11%inclusion7 decks61 decks
4%synergy
Forbidden Orchard
11%inclusion7 decks61 decks
9%synergy
Gloomlake Verge
8.2%inclusion5 decks61 decks
-3%synergy
Floodfarm Verge
8.2%inclusion5 decks61 decks
-3%synergy
Underground River
6.6%inclusion4 decks61 decks
-29%synergy
Raffine's Tower
6.6%inclusion4 decks61 decks
-34%synergy
Talon Gates of Madara
6.6%inclusion4 decks61 decks
5%synergy
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