The Master of Keys (Commander) - Expensive Combo

The Master of Keys
Rank #303
23decks
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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Enchantments
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Utility Lands
Mana Artifacts
Lands
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Necromancy
100%inclusion23 decks23 decks
96%synergy
Mental Misstep
100%inclusion23 decks23 decks
94%synergy
Dress Down
96%inclusion22 decks23 decks
93%synergy
Flusterstorm
100%inclusion23 decks23 decks
92%synergy
Silence
100%inclusion23 decks23 decks
90%synergy
Abdel Adrian, Gorion's Ward
91%inclusion21 decks23 decks
90%synergy
Mindbreak Trap
96%inclusion22 decks23 decks
89%synergy
Tainted Pact
96%inclusion22 decks23 decks
89%synergy
Entomb
96%inclusion22 decks23 decks
89%synergy
Force of Negation
100%inclusion23 decks23 decks
88%synergy
Top Cards
Dark Ritual
100%inclusion23 decks23 decks
80%synergy
Esper Sentinel
100%inclusion23 decks23 decks
73%synergy
Mystic Remora
100%inclusion23 decks23 decks
80%synergy
Animate Dead
96%inclusion22 decks23 decks
86%synergy
Enlightened Tutor
96%inclusion22 decks23 decks
77%synergy
Orcish Bowmasters
96%inclusion22 decks23 decks
86%synergy
Vampiric Tutor
96%inclusion22 decks23 decks
79%synergy
Lotho, Corrupt Shirriff
91%inclusion21 decks23 decks
74%synergy
Imperial Seal
91%inclusion21 decks23 decks
84%synergy
Swan Song
91%inclusion21 decks23 decks
71%synergy
Game Changers
Smothering Tithe
100%inclusion23 decks23 decks
70%synergy
Ancient Tomb
100%inclusion23 decks23 decks
88%synergy
Intuition
100%inclusion23 decks23 decks
98%synergy
Mana Vault
100%inclusion23 decks23 decks
91%synergy
Demonic Tutor
100%inclusion23 decks23 decks
80%synergy
Force of Will
100%inclusion23 decks23 decks
88%synergy
Chrome Mox
100%inclusion23 decks23 decks
91%synergy
Mox Diamond
100%inclusion23 decks23 decks
93%synergy
Thassa's Oracle
96%inclusion22 decks23 decks
87%synergy
Rhystic Study
96%inclusion22 decks23 decks
65%synergy
Creatures
Ranger-Captain of Eos
91%inclusion21 decks23 decks
85%synergy
Wan Shi Tong, Librarian
88%inclusion7 decks8 decks
83%synergy
Grand Abolisher
87%inclusion20 decks23 decks
72%synergy
Valley Floodcaller
83%inclusion19 decks23 decks
79%synergy
Mockingbird
65%inclusion15 decks23 decks
61%synergy
Voice of Victory
62%inclusion8 decks13 decks
53%synergy
Tataru Taru
58%inclusion7 decks12 decks
50%synergy
Archivist of Oghma
52%inclusion12 decks23 decks
46%synergy
Displacer Kitten
52%inclusion12 decks23 decks
45%synergy
Exhibition Tidecaller
50%inclusion3 decks6 decks
49%synergy
Opposition Agent
48%inclusion11 decks23 decks
40%synergy
Auriok Salvagers
48%inclusion11 decks23 decks
48%synergy
Hullbreaker Horror
43%inclusion10 decks23 decks
37%synergy
Phyrexian Metamorph
39%inclusion9 decks23 decks
31%synergy
Lurrus of the Dream-Den
39%inclusion9 decks23 decks
38%synergy
Faerie Mastermind
35%inclusion8 decks23 decks
25%synergy
Hedron Crab
30%inclusion7 decks23 decks
30%synergy
Drannith Magistrate
26%inclusion6 decks23 decks
19%synergy
Ledger Shredder
26%inclusion6 decks23 decks
17%synergy
Ghostly Pilferer
22%inclusion5 decks23 decks
14%synergy
Snapcaster Mage
13%inclusion3 decks23 decks
11%synergy
Pollywog Prodigy
13%inclusion3 decks23 decks
9%synergy
Psychic Frog
13%inclusion3 decks23 decks
6%synergy
Gran-Gran
13%inclusion1 decks8 decks
12%synergy
Volatile Stormdrake
8.7%inclusion2 decks23 decks
7%synergy
Hoarding Broodlord
8.7%inclusion2 decks23 decks
7%synergy
Leonin Relic-Warder
8.7%inclusion2 decks23 decks
8%synergy
Talion, the Kindly Lord
8.7%inclusion2 decks23 decks
1%synergy
Emet-Selch of the Third Seat
8.3%inclusion1 decks12 decks
-1%synergy
High Fae Trickster
5.3%inclusion1 decks19 decks
1%synergy
Neerdiv, Devious Diver
5.3%inclusion1 decks19 decks
5%synergy
Instants
Demonic Consultation
91%inclusion21 decks23 decks
84%synergy
Pact of Negation
87%inclusion20 decks23 decks
80%synergy
Borne Upon a Wind
83%inclusion19 decks23 decks
78%synergy
Cabal Ritual
78%inclusion18 decks23 decks
75%synergy
Fierce Guardianship
65%inclusion15 decks23 decks
45%synergy
Mystical Tutor
65%inclusion15 decks23 decks
55%synergy
Swords to Plowshares
61%inclusion14 decks23 decks
-7%synergy
Chain of Vapor
43%inclusion10 decks23 decks
41%synergy
An Offer You Can't Refuse
39%inclusion9 decks23 decks
11%synergy
Gifts Ungiven
39%inclusion9 decks23 decks
36%synergy
Into the Flood Maw
39%inclusion9 decks23 decks
35%synergy
Cyclonic Rift
35%inclusion8 decks23 decks
12%synergy
Darkblast
30%inclusion7 decks23 decks
30%synergy
Brain Freeze
26%inclusion6 decks23 decks
25%synergy
Culling the Weak
26%inclusion6 decks23 decks
24%synergy
Retraction Helix
22%inclusion5 decks23 decks
21%synergy
Banishing Knack
22%inclusion5 decks23 decks
21%synergy
Orim's Chant
17%inclusion4 decks23 decks
16%synergy
Ad Nauseam
17%inclusion4 decks23 decks
15%synergy
Dispel
13%inclusion3 decks23 decks
10%synergy
Mana Drain
13%inclusion3 decks23 decks
-4%synergy
Rain of Filth
13%inclusion3 decks23 decks
13%synergy
Commandeer
13%inclusion3 decks23 decks
12%synergy
Sink into Stupor
13%inclusion3 decks23 decks
-0%synergy
Strix Serenade
8.7%inclusion2 decks23 decks
5%synergy
Misdirection
8.7%inclusion2 decks23 decks
6%synergy
Path to Exile
8.7%inclusion2 decks23 decks
-34%synergy
Snapback
8.7%inclusion2 decks23 decks
8%synergy
Sorceries
Sevinne's Reclamation
74%inclusion17 decks23 decks
65%synergy
Reanimate
43%inclusion10 decks23 decks
27%synergy
Lively Dirge
39%inclusion9 decks23 decks
38%synergy
Flash Photography
38%inclusion3 decks8 decks
36%synergy
Demonic Counsel
26%inclusion6 decks23 decks
25%synergy
Mnemonic Betrayal
26%inclusion6 decks23 decks
23%synergy
Yawgmoth's Will
22%inclusion5 decks23 decks
21%synergy
Beseech the Mirror
22%inclusion5 decks23 decks
18%synergy
Windfall
17%inclusion4 decks23 decks
4%synergy
Unmarked Grave
13%inclusion3 decks23 decks
12%synergy
Timetwister
13%inclusion3 decks23 decks
12%synergy
Cabal Therapy
8.7%inclusion2 decks23 decks
9%synergy
Diabolic Intent
8.7%inclusion2 decks23 decks
4%synergy
Praetor's Grasp
8.7%inclusion2 decks23 decks
6%synergy
Toxic Deluge
8.7%inclusion2 decks23 decks
-11%synergy
Utility Artifacts
Wishclaw Talisman
74%inclusion17 decks23 decks
66%synergy
The One Ring
61%inclusion14 decks23 decks
48%synergy
Vexing Bauble
22%inclusion5 decks23 decks
20%synergy
Agatha's Soul Cauldron
13%inclusion3 decks23 decks
13%synergy
Imposter Mech
8.7%inclusion2 decks23 decks
7%synergy
Enchantments
Dance of the Dead
87%inclusion20 decks23 decks
85%synergy
Tinybones Joins Up
83%inclusion19 decks23 decks
81%synergy
Blind Obedience
70%inclusion16 decks23 decks
58%synergy
Amphibian Downpour
65%inclusion15 decks23 decks
61%synergy
Necropotence
52%inclusion12 decks23 decks
46%synergy
Chains of Mephistopheles
52%inclusion12 decks23 decks
52%synergy
The Meathook Massacre
48%inclusion11 decks23 decks
45%synergy
Steal Enchantment
48%inclusion11 decks23 decks
47%synergy
Mirrormade
48%inclusion11 decks23 decks
38%synergy
Copy Artifact
48%inclusion11 decks23 decks
47%synergy
Counterbalance
39%inclusion9 decks23 decks
38%synergy
Static Prison
39%inclusion9 decks23 decks
39%synergy
Founding the Third Path
35%inclusion8 decks23 decks
35%synergy
Ripples of Undeath
30%inclusion7 decks23 decks
28%synergy
Touch the Spirit Realm
30%inclusion7 decks23 decks
28%synergy
Monologue Tax
17%inclusion4 decks23 decks
11%synergy
Teval's Judgment
15%inclusion2 decks13 decks
15%synergy
Does Machines
14%inclusion1 decks7 decks
14%synergy
Copy Enchantment
13%inclusion3 decks23 decks
8%synergy
Trouble in Pairs
13%inclusion3 decks23 decks
8%synergy
Power Artifact
8.7%inclusion2 decks23 decks
8%synergy
Leyline of Anticipation
8.7%inclusion2 decks23 decks
4%synergy
Seal of Cleansing
8.7%inclusion2 decks23 decks
7%synergy
Planeswalkers
Teferi, Time Raveler
48%inclusion11 decks23 decks
40%synergy
Tezzeret, Cruel Captain
8.3%inclusion1 decks12 decks
6%synergy
Utility Lands
Otawara, Soaring City
96%inclusion22 decks23 decks
77%synergy
City of Traitors
43%inclusion10 decks23 decks
42%synergy
Urza's Saga
26%inclusion6 decks23 decks
14%synergy
Emergence Zone
26%inclusion6 decks23 decks
24%synergy
Minamo, School at Water's Edge
22%inclusion5 decks23 decks
18%synergy
Serra's Sanctum
22%inclusion5 decks23 decks
20%synergy
Cephalid Coliseum
22%inclusion5 decks23 decks
18%synergy
Wasteland
8.7%inclusion2 decks23 decks
8%synergy
Phyrexian Tower
8.7%inclusion2 decks23 decks
5%synergy
Bazaar of Baghdad
8.7%inclusion2 decks23 decks
8%synergy
Mistrise Village
7.7%inclusion1 decks13 decks
4%synergy
Mana Artifacts
Arcane Signet
100%inclusion23 decks23 decks
12%synergy
Sol Ring
100%inclusion23 decks23 decks
10%synergy
Lotus Petal
96%inclusion22 decks23 decks
85%synergy
Lion's Eye Diamond
87%inclusion20 decks23 decks
85%synergy
Mox Opal
78%inclusion18 decks23 decks
70%synergy
Fellwar Stone
74%inclusion17 decks23 decks
41%synergy
Talisman of Dominance
65%inclusion15 decks23 decks
15%synergy
Grim Monolith
61%inclusion14 decks23 decks
58%synergy
Talisman of Progress
39%inclusion9 decks23 decks
-5%synergy
Mox Amber
22%inclusion5 decks23 decks
16%synergy
Talisman of Hierarchy
17%inclusion4 decks23 decks
-27%synergy
Lands
Tundra
100%inclusion23 decks23 decks
84%synergy
Command Tower
100%inclusion23 decks23 decks
7%synergy
Underground Sea
100%inclusion23 decks23 decks
84%synergy
Godless Shrine
100%inclusion23 decks23 decks
48%synergy
Scrubland
100%inclusion23 decks23 decks
84%synergy
Marsh Flats
100%inclusion23 decks23 decks
64%synergy
Polluted Delta
100%inclusion23 decks23 decks
62%synergy
City of Brass
100%inclusion23 decks23 decks
85%synergy
Flooded Strand
100%inclusion23 decks23 decks
61%synergy
Watery Grave
100%inclusion23 decks23 decks
49%synergy
Gemstone Caverns
96%inclusion22 decks23 decks
88%synergy
Mana Confluence
96%inclusion22 decks23 decks
82%synergy
Hallowed Fountain
96%inclusion22 decks23 decks
45%synergy
Bloodstained Mire
96%inclusion22 decks23 decks
85%synergy
Misty Rainforest
91%inclusion21 decks23 decks
81%synergy
Scalding Tarn
91%inclusion21 decks23 decks
81%synergy
Verdant Catacombs
87%inclusion20 decks23 decks
77%synergy
Undercity Sewers
78%inclusion18 decks23 decks
63%synergy
Windswept Heath
78%inclusion18 decks23 decks
69%synergy
Exotic Orchard
74%inclusion17 decks23 decks
15%synergy
Arid Mesa
74%inclusion17 decks23 decks
65%synergy
Morphic Pool
65%inclusion15 decks23 decks
32%synergy
Starting Town
58%inclusion7 decks12 decks
54%synergy
Sea of Clouds
43%inclusion10 decks23 decks
9%synergy
Vault of Champions
39%inclusion9 decks23 decks
7%synergy
Island
30%inclusion7 decks23 decks
-63%synergy
Swamp
17%inclusion4 decks23 decks
-74%synergy
Tarnished Citadel
17%inclusion4 decks23 decks
17%synergy
Cavern of Souls
17%inclusion4 decks23 decks
11%synergy
Sink into Stupor
13%inclusion3 decks23 decks
-0%synergy
Meticulous Archive
13%inclusion3 decks23 decks
-1%synergy
Forbidden Orchard
13%inclusion3 decks23 decks
11%synergy
Shadowy Backstreet
8.7%inclusion2 decks23 decks
-4%synergy
Spire of Industry
8.7%inclusion2 decks23 decks
1%synergy
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