The Master of Keys (Commander) - cEDH Mill

The Master of Keys
Rank #303
48decks
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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
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King T'Challa
50%inclusion1 decks2 decks
49%synergy
High Synergy Cards
Dance of the Dead
98%inclusion47 decks48 decks
96%synergy
Necromancy
96%inclusion46 decks48 decks
91%synergy
Animate Dead
98%inclusion47 decks48 decks
88%synergy
Silence
98%inclusion47 decks48 decks
88%synergy
Dress Down
90%inclusion43 decks48 decks
87%synergy
Entomb
94%inclusion45 decks48 decks
87%synergy
Tainted Pact
92%inclusion44 decks48 decks
85%synergy
Abdel Adrian, Gorion's Ward
85%inclusion41 decks48 decks
84%synergy
Force of Negation
92%inclusion44 decks48 decks
80%synergy
Flusterstorm
88%inclusion42 decks48 decks
80%synergy
Top Cards
Dark Ritual
98%inclusion47 decks48 decks
78%synergy
Esper Sentinel
96%inclusion46 decks48 decks
69%synergy
Mystic Remora
96%inclusion46 decks48 decks
75%synergy
Swan Song
88%inclusion42 decks48 decks
67%synergy
Mental Misstep
85%inclusion41 decks48 decks
79%synergy
Demonic Consultation
85%inclusion41 decks48 decks
78%synergy
Grand Abolisher
85%inclusion41 decks48 decks
71%synergy
Orcish Bowmasters
83%inclusion40 decks48 decks
73%synergy
Sevinne's Reclamation
81%inclusion39 decks48 decks
72%synergy
Swords to Plowshares
81%inclusion39 decks48 decks
14%synergy
Game Changers
Vampiric Tutor
100%inclusion48 decks48 decks
83%synergy
Thassa's Oracle
98%inclusion47 decks48 decks
89%synergy
Force of Will
98%inclusion47 decks48 decks
86%synergy
Enlightened Tutor
98%inclusion47 decks48 decks
79%synergy
Smothering Tithe
96%inclusion46 decks48 decks
66%synergy
Rhystic Study
96%inclusion46 decks48 decks
65%synergy
Mana Vault
96%inclusion46 decks48 decks
87%synergy
Demonic Tutor
96%inclusion46 decks48 decks
76%synergy
Chrome Mox
94%inclusion45 decks48 decks
85%synergy
Ancient Tomb
92%inclusion44 decks48 decks
79%synergy
Creatures
Lotho, Corrupt Shirriff
79%inclusion38 decks48 decks
62%synergy
Ranger-Captain of Eos
79%inclusion38 decks48 decks
73%synergy
Valley Floodcaller
77%inclusion37 decks48 decks
73%synergy
Wan Shi Tong, Librarian
60%inclusion9 decks15 decks
55%synergy
Hullbreaker Horror
54%inclusion26 decks48 decks
48%synergy
Displacer Kitten
52%inclusion25 decks48 decks
45%synergy
Tataru Taru
42%inclusion11 decks26 decks
34%synergy
Opposition Agent
42%inclusion20 decks48 decks
34%synergy
Voice of Victory
40%inclusion14 decks35 decks
32%synergy
Lurrus of the Dream-Den
40%inclusion19 decks48 decks
38%synergy
Drannith Magistrate
40%inclusion19 decks48 decks
32%synergy
Mockingbird
40%inclusion19 decks48 decks
35%synergy
Hedron Crab
38%inclusion18 decks48 decks
37%synergy
Exhibition Tidecaller
38%inclusion3 decks8 decks
37%synergy
Archivist of Oghma
35%inclusion17 decks48 decks
29%synergy
Auriok Salvagers
35%inclusion17 decks48 decks
35%synergy
Faerie Mastermind
25%inclusion12 decks48 decks
15%synergy
Ledger Shredder
25%inclusion12 decks48 decks
16%synergy
Phyrexian Metamorph
23%inclusion11 decks48 decks
15%synergy
Talion, the Kindly Lord
21%inclusion10 decks48 decks
13%synergy
Leonin Relic-Warder
19%inclusion9 decks48 decks
19%synergy
Ghostly Pilferer
19%inclusion9 decks48 decks
11%synergy
Psychic Frog
17%inclusion8 decks48 decks
9%synergy
Dauthi Voidwalker
15%inclusion7 decks48 decks
9%synergy
Gran-Gran
13%inclusion2 decks15 decks
13%synergy
Snapcaster Mage
13%inclusion6 decks48 decks
10%synergy
High Fae Trickster
11%inclusion5 decks44 decks
7%synergy
Walking Ballista
8.3%inclusion4 decks48 decks
6%synergy
Heliod, Sun-Crowned
8.3%inclusion4 decks48 decks
5%synergy
Overlord of the Balemurk
8.3%inclusion4 decks48 decks
7%synergy
Stitcher's Supplier
8.3%inclusion4 decks48 decks
8%synergy
Pollywog Prodigy
8.3%inclusion4 decks48 decks
5%synergy
Voracious Tome-Skimmer
8.3%inclusion1 decks12 decks
8%synergy
The Unagi of Kyoshi Island
6.7%inclusion1 decks15 decks
6%synergy
Scrabbling Skullcrab
6.3%inclusion3 decks48 decks
5%synergy
Spellseeker
6.3%inclusion3 decks48 decks
5%synergy
Inquisitive Glimmer
6.3%inclusion3 decks48 decks
-1%synergy
Mesa Enchantress
6.3%inclusion3 decks48 decks
-2%synergy
Laboratory Maniac
6.3%inclusion3 decks48 decks
3%synergy
Doomwake Giant
6.3%inclusion3 decks48 decks
1%synergy
Entity Tracker
6.3%inclusion3 decks48 decks
0%synergy
Clever Impersonator
6.3%inclusion3 decks48 decks
4%synergy
Zur the Enchanter
6.3%inclusion3 decks48 decks
1%synergy
Instants
Pact of Negation
81%inclusion39 decks48 decks
74%synergy
Mindbreak Trap
79%inclusion38 decks48 decks
73%synergy
Fierce Guardianship
79%inclusion38 decks48 decks
59%synergy
Intuition
77%inclusion37 decks48 decks
75%synergy
Borne Upon a Wind
75%inclusion36 decks48 decks
70%synergy
Cabal Ritual
63%inclusion30 decks48 decks
59%synergy
Mystical Tutor
63%inclusion30 decks48 decks
52%synergy
An Offer You Can't Refuse
60%inclusion29 decks48 decks
33%synergy
Cyclonic Rift
50%inclusion24 decks48 decks
27%synergy
Mana Drain
46%inclusion22 decks48 decks
29%synergy
Gifts Ungiven
44%inclusion21 decks48 decks
41%synergy
Into the Flood Maw
40%inclusion19 decks48 decks
36%synergy
Sink into Stupor
31%inclusion15 decks48 decks
18%synergy
Chain of Vapor
29%inclusion14 decks48 decks
26%synergy
Retraction Helix
23%inclusion11 decks48 decks
22%synergy
Ad Nauseam
23%inclusion11 decks48 decks
21%synergy
Culling the Weak
17%inclusion8 decks48 decks
15%synergy
Darkblast
17%inclusion8 decks48 decks
17%synergy
Brain Freeze
15%inclusion7 decks48 decks
14%synergy
Banishing Knack
15%inclusion7 decks48 decks
14%synergy
Orim's Chant
13%inclusion6 decks48 decks
11%synergy
Counterspell
10%inclusion5 decks48 decks
-32%synergy
Path to Exile
10%inclusion5 decks48 decks
-32%synergy
Deadly Rollick
8.3%inclusion4 decks48 decks
-7%synergy
Strix Serenade
8.3%inclusion4 decks48 decks
5%synergy
Dismember
8.3%inclusion4 decks48 decks
2%synergy
Lim-Dûl's Vault
6.3%inclusion3 decks48 decks
3%synergy
Commandeer
6.3%inclusion3 decks48 decks
5%synergy
Sorceries
Imperial Seal
77%inclusion37 decks48 decks
70%synergy
Reanimate
44%inclusion21 decks48 decks
27%synergy
Toxic Deluge
31%inclusion15 decks48 decks
12%synergy
Lively Dirge
29%inclusion14 decks48 decks
28%synergy
Windfall
23%inclusion11 decks48 decks
10%synergy
Demonic Counsel
21%inclusion10 decks48 decks
20%synergy
Flash Photography
20%inclusion3 decks15 decks
19%synergy
Beseech the Mirror
19%inclusion9 decks48 decks
15%synergy
Mnemonic Betrayal
15%inclusion7 decks48 decks
12%synergy
Cabal Therapy
10%inclusion5 decks48 decks
10%synergy
Diabolic Intent
10%inclusion5 decks48 decks
6%synergy
Unmarked Grave
10%inclusion5 decks48 decks
9%synergy
Singularity Rupture
10%inclusion2 decks20 decks
8%synergy
Praetor's Grasp
6.3%inclusion3 decks48 decks
3%synergy
Utility Artifacts
The One Ring
71%inclusion34 decks48 decks
58%synergy
Wishclaw Talisman
58%inclusion28 decks48 decks
51%synergy
Mesmeric Orb
8.3%inclusion4 decks48 decks
7%synergy
Cursed Totem
8.3%inclusion4 decks48 decks
6%synergy
Altar of the Brood
8.3%inclusion4 decks48 decks
7%synergy
Vexing Bauble
6.3%inclusion3 decks48 decks
4%synergy
Agatha's Soul Cauldron
6.3%inclusion3 decks48 decks
6%synergy
Enchantments
Tinybones Joins Up
69%inclusion33 decks48 decks
68%synergy
Blind Obedience
60%inclusion29 decks48 decks
49%synergy
Necropotence
58%inclusion28 decks48 decks
52%synergy
Amphibian Downpour
54%inclusion26 decks48 decks
50%synergy
Mirrormade
46%inclusion22 decks48 decks
36%synergy
Touch the Spirit Realm
44%inclusion21 decks48 decks
42%synergy
Static Prison
44%inclusion21 decks48 decks
43%synergy
The Meathook Massacre
42%inclusion20 decks48 decks
38%synergy
Ripples of Undeath
42%inclusion20 decks48 decks
39%synergy
Copy Artifact
33%inclusion16 decks48 decks
32%synergy
Founding the Third Path
29%inclusion14 decks48 decks
29%synergy
Steal Enchantment
25%inclusion12 decks48 decks
24%synergy
Counterbalance
21%inclusion10 decks48 decks
19%synergy
Copy Enchantment
21%inclusion10 decks48 decks
16%synergy
Chains of Mephistopheles
17%inclusion8 decks48 decks
16%synergy
Monologue Tax
15%inclusion7 decks48 decks
8%synergy
Chthonian Nightmare
13%inclusion6 decks48 decks
12%synergy
Aura of Silence
13%inclusion6 decks48 decks
9%synergy
Trouble in Pairs
10%inclusion5 decks48 decks
5%synergy
Does Machines
9.1%inclusion1 decks11 decks
9%synergy
Seal of Cleansing
8.3%inclusion4 decks48 decks
7%synergy
Seal of Removal
8.3%inclusion4 decks48 decks
8%synergy
Estrid's Invocation
6.3%inclusion3 decks48 decks
2%synergy
Sphere of Safety
6.3%inclusion3 decks48 decks
-3%synergy
Black Market Connections
6.3%inclusion3 decks48 decks
-9%synergy
Bloodchief Ascension
6.3%inclusion3 decks48 decks
0%synergy
Planeswalkers
Teferi, Time Raveler
42%inclusion20 decks48 decks
33%synergy
Utility Lands
Otawara, Soaring City
85%inclusion41 decks48 decks
66%synergy
Urza's Saga
33%inclusion16 decks48 decks
22%synergy
Emergence Zone
29%inclusion14 decks48 decks
27%synergy
Minamo, School at Water's Edge
21%inclusion10 decks48 decks
17%synergy
Cephalid Coliseum
17%inclusion8 decks48 decks
13%synergy
Serra's Sanctum
15%inclusion7 decks48 decks
13%synergy
City of Traitors
15%inclusion7 decks48 decks
13%synergy
Hall of Heliod's Generosity
13%inclusion6 decks48 decks
-0%synergy
Takenuma, Abandoned Mire
13%inclusion6 decks48 decks
6%synergy
Urborg, Tomb of Yawgmoth
10%inclusion5 decks48 decks
-3%synergy
Mana Artifacts
Arcane Signet
100%inclusion48 decks48 decks
12%synergy
Sol Ring
100%inclusion48 decks48 decks
10%synergy
Lotus Petal
96%inclusion46 decks48 decks
86%synergy
Mox Diamond
83%inclusion40 decks48 decks
77%synergy
Fellwar Stone
81%inclusion39 decks48 decks
48%synergy
Mox Opal
75%inclusion36 decks48 decks
67%synergy
Talisman of Dominance
73%inclusion35 decks48 decks
23%synergy
Lion's Eye Diamond
71%inclusion34 decks48 decks
69%synergy
Talisman of Progress
46%inclusion22 decks48 decks
1%synergy
Mox Amber
38%inclusion18 decks48 decks
31%synergy
Grim Monolith
33%inclusion16 decks48 decks
30%synergy
Talisman of Hierarchy
31%inclusion15 decks48 decks
-14%synergy
Basalt Monolith
6.3%inclusion3 decks48 decks
4%synergy
Lands
Command Tower
98%inclusion47 decks48 decks
5%synergy
Godless Shrine
98%inclusion47 decks48 decks
46%synergy
Polluted Delta
98%inclusion47 decks48 decks
60%synergy
Watery Grave
98%inclusion47 decks48 decks
47%synergy
Hallowed Fountain
96%inclusion46 decks48 decks
45%synergy
Flooded Strand
94%inclusion45 decks48 decks
55%synergy
Gemstone Caverns
92%inclusion44 decks48 decks
84%synergy
Marsh Flats
92%inclusion44 decks48 decks
56%synergy
City of Brass
90%inclusion43 decks48 decks
74%synergy
Tundra
88%inclusion42 decks48 decks
72%synergy
Underground Sea
88%inclusion42 decks48 decks
72%synergy
Scrubland
88%inclusion42 decks48 decks
72%synergy
Mana Confluence
83%inclusion40 decks48 decks
70%synergy
Bloodstained Mire
81%inclusion39 decks48 decks
71%synergy
Verdant Catacombs
77%inclusion37 decks48 decks
67%synergy
Misty Rainforest
75%inclusion36 decks48 decks
64%synergy
Scalding Tarn
75%inclusion36 decks48 decks
64%synergy
Windswept Heath
73%inclusion35 decks48 decks
64%synergy
Exotic Orchard
69%inclusion33 decks48 decks
10%synergy
Morphic Pool
69%inclusion33 decks48 decks
35%synergy
Arid Mesa
65%inclusion31 decks48 decks
55%synergy
Undercity Sewers
58%inclusion28 decks48 decks
44%synergy
Sea of Clouds
56%inclusion27 decks48 decks
22%synergy
Vault of Champions
44%inclusion21 decks48 decks
12%synergy
Swamp
42%inclusion20 decks48 decks
-50%synergy
Island
42%inclusion20 decks48 decks
-51%synergy
Starting Town
38%inclusion10 decks26 decks
34%synergy
Meticulous Archive
35%inclusion17 decks48 decks
21%synergy
Cavern of Souls
33%inclusion16 decks48 decks
27%synergy
Plains
31%inclusion15 decks48 decks
-61%synergy
Sink into Stupor
31%inclusion15 decks48 decks
18%synergy
Shadowy Backstreet
21%inclusion10 decks48 decks
8%synergy
Spire of Industry
10%inclusion5 decks48 decks
3%synergy
Raffine's Tower
10%inclusion5 decks48 decks
-30%synergy
Forbidden Orchard
10%inclusion5 decks48 decks
8%synergy
Caves of Koilos
8.3%inclusion4 decks48 decks
-27%synergy
Underground River
8.3%inclusion4 decks48 decks
-27%synergy
Talon Gates of Madara
8.3%inclusion4 decks48 decks
7%synergy
Adarkar Wastes
8.3%inclusion4 decks48 decks
-24%synergy
Prismatic Vista
6.3%inclusion3 decks48 decks
2%synergy
Gemstone Mine
6.3%inclusion3 decks48 decks
6%synergy
Valgavoth's Lair
6.3%inclusion3 decks48 decks
4%synergy
Gloomlake Verge
6.3%inclusion3 decks48 decks
-5%synergy
Floodfarm Verge
6.3%inclusion3 decks48 decks
-5%synergy
Bleachbone Verge
5.4%inclusion2 decks37 decks
-3%synergy
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