The Master of Keys (Commander) - Expensive Optimized Combo

The Master of Keys
Rank #303
4decks
As CommanderAs CardAverage DeckDecksView Precon
Bracket
All12345
Budget
Any$$$$
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Tinybones Joins Up
100%inclusion4 decks4 decks
99%synergy
Abdel Adrian, Gorion's Ward
100%inclusion4 decks4 decks
98%synergy
Dance of the Dead
100%inclusion4 decks4 decks
98%synergy
Dress Down
100%inclusion4 decks4 decks
98%synergy
The Meathook Massacre
100%inclusion4 decks4 decks
97%synergy
Mockingbird
100%inclusion4 decks4 decks
96%synergy
Necromancy
100%inclusion4 decks4 decks
96%synergy
Ranger-Captain of Eos
100%inclusion4 decks4 decks
94%synergy
Mental Misstep
100%inclusion4 decks4 decks
94%synergy
Mindbreak Trap
100%inclusion4 decks4 decks
93%synergy
Top Cards
Lotho, Corrupt Shirriff
100%inclusion4 decks4 decks
83%synergy
Sevinne's Reclamation
100%inclusion4 decks4 decks
91%synergy
Entomb
100%inclusion4 decks4 decks
93%synergy
Dark Ritual
100%inclusion4 decks4 decks
80%synergy
Esper Sentinel
100%inclusion4 decks4 decks
73%synergy
Flusterstorm
100%inclusion4 decks4 decks
92%synergy
Mystic Remora
100%inclusion4 decks4 decks
80%synergy
Silence
100%inclusion4 decks4 decks
90%synergy
Swan Song
100%inclusion4 decks4 decks
80%synergy
Force of Negation
100%inclusion4 decks4 decks
88%synergy
Game Changers
Smothering Tithe
100%inclusion4 decks4 decks
70%synergy
Ancient Tomb
100%inclusion4 decks4 decks
88%synergy
Rhystic Study
100%inclusion4 decks4 decks
70%synergy
Demonic Tutor
100%inclusion4 decks4 decks
80%synergy
Force of Will
100%inclusion4 decks4 decks
88%synergy
Enlightened Tutor
100%inclusion4 decks4 decks
81%synergy
Orcish Bowmasters
100%inclusion4 decks4 decks
90%synergy
Chrome Mox
100%inclusion4 decks4 decks
91%synergy
Vampiric Tutor
100%inclusion4 decks4 decks
83%synergy
Mox Diamond
100%inclusion4 decks4 decks
93%synergy
Creatures
Wan Shi Tong, Librarian
100%inclusion2 decks2 decks
95%synergy
Voice of Victory
100%inclusion4 decks4 decks
92%synergy
Thassa's Oracle
75%inclusion3 decks4 decks
66%synergy
Valley Floodcaller
75%inclusion3 decks4 decks
71%synergy
Hedron Crab
75%inclusion3 decks4 decks
74%synergy
Grand Abolisher
75%inclusion3 decks4 decks
61%synergy
Archivist of Oghma
50%inclusion2 decks4 decks
44%synergy
Opposition Agent
50%inclusion2 decks4 decks
42%synergy
Snapcaster Mage
50%inclusion2 decks4 decks
48%synergy
Auriok Salvagers
50%inclusion2 decks4 decks
50%synergy
Ghostly Pilferer
50%inclusion2 decks4 decks
43%synergy
Displacer Kitten
25%inclusion1 decks4 decks
18%synergy
Sheoldred, the Apocalypse
25%inclusion1 decks4 decks
16%synergy
Lurrus of the Dream-Den
25%inclusion1 decks4 decks
24%synergy
Leonin Relic-Warder
25%inclusion1 decks4 decks
25%synergy
Pollywog Prodigy
25%inclusion1 decks4 decks
21%synergy
Talion, the Kindly Lord
25%inclusion1 decks4 decks
18%synergy
Faerie Mastermind
25%inclusion1 decks4 decks
15%synergy
Drannith Magistrate
25%inclusion1 decks4 decks
17%synergy
Grim Guardian
25%inclusion1 decks4 decks
23%synergy
Emet-Selch of the Third Seat
25%inclusion1 decks4 decks
16%synergy
Tataru Taru
25%inclusion1 decks4 decks
16%synergy
Instants
Swords to Plowshares
100%inclusion4 decks4 decks
32%synergy
Pact of Negation
100%inclusion4 decks4 decks
93%synergy
Gifts Ungiven
75%inclusion3 decks4 decks
72%synergy
Cabal Ritual
75%inclusion3 decks4 decks
72%synergy
Into the Flood Maw
75%inclusion3 decks4 decks
71%synergy
Demonic Consultation
75%inclusion3 decks4 decks
67%synergy
Mystical Tutor
75%inclusion3 decks4 decks
64%synergy
Tainted Pact
50%inclusion2 decks4 decks
43%synergy
Intuition
50%inclusion2 decks4 decks
48%synergy
Brain Freeze
50%inclusion2 decks4 decks
49%synergy
Darkblast
50%inclusion2 decks4 decks
50%synergy
Borne Upon a Wind
50%inclusion2 decks4 decks
45%synergy
Cyclonic Rift
50%inclusion2 decks4 decks
27%synergy
Deadly Rollick
25%inclusion1 decks4 decks
9%synergy
An Offer You Can't Refuse
25%inclusion1 decks4 decks
-3%synergy
Orim's Chant
25%inclusion1 decks4 decks
23%synergy
Retraction Helix
25%inclusion1 decks4 decks
24%synergy
Banishing Knack
25%inclusion1 decks4 decks
25%synergy
Mana Drain
25%inclusion1 decks4 decks
8%synergy
Ad Nauseam
25%inclusion1 decks4 decks
23%synergy
Sink into Stupor
25%inclusion1 decks4 decks
12%synergy
Fierce Guardianship
25%inclusion1 decks4 decks
5%synergy
Path to Exile
25%inclusion1 decks4 decks
-17%synergy
Sorceries
Imperial Seal
75%inclusion3 decks4 decks
68%synergy
Cabal Therapy
50%inclusion2 decks4 decks
50%synergy
Lively Dirge
50%inclusion2 decks4 decks
49%synergy
Reanimate
50%inclusion2 decks4 decks
34%synergy
Diabolic Intent
25%inclusion1 decks4 decks
20%synergy
Unmarked Grave
25%inclusion1 decks4 decks
24%synergy
Demonic Counsel
25%inclusion1 decks4 decks
24%synergy
Mnemonic Betrayal
25%inclusion1 decks4 decks
22%synergy
Beseech the Mirror
25%inclusion1 decks4 decks
21%synergy
Utility Artifacts
The One Ring
75%inclusion3 decks4 decks
62%synergy
Wishclaw Talisman
75%inclusion3 decks4 decks
67%synergy
Sensei's Divining Top
50%inclusion2 decks4 decks
41%synergy
Altar of the Brood
25%inclusion1 decks4 decks
24%synergy
Enchantments
Animate Dead
100%inclusion4 decks4 decks
90%synergy
Founding the Third Path
75%inclusion3 decks4 decks
75%synergy
Blind Obedience
75%inclusion3 decks4 decks
63%synergy
Mirrormade
75%inclusion3 decks4 decks
65%synergy
Static Prison
75%inclusion3 decks4 decks
75%synergy
Ripples of Undeath
50%inclusion2 decks4 decks
47%synergy
Copy Artifact
50%inclusion2 decks4 decks
49%synergy
Necropotence
50%inclusion2 decks4 decks
44%synergy
Amphibian Downpour
50%inclusion2 decks4 decks
45%synergy
Counterbalance
25%inclusion1 decks4 decks
23%synergy
Touch the Spirit Realm
25%inclusion1 decks4 decks
23%synergy
Hopeless Nightmare
25%inclusion1 decks4 decks
25%synergy
Dance of Many
25%inclusion1 decks4 decks
25%synergy
Chthonian Nightmare
25%inclusion1 decks4 decks
24%synergy
Stillness in Motion
25%inclusion1 decks4 decks
25%synergy
Chains of Mephistopheles
25%inclusion1 decks4 decks
25%synergy
Trouble in Pairs
25%inclusion1 decks4 decks
20%synergy
Utility Lands
Otawara, Soaring City
75%inclusion3 decks4 decks
56%synergy
Urza's Saga
50%inclusion2 decks4 decks
38%synergy
Cephalid Coliseum
50%inclusion2 decks4 decks
46%synergy
City of Traitors
50%inclusion2 decks4 decks
49%synergy
Minamo, School at Water's Edge
25%inclusion1 decks4 decks
21%synergy
Phyrexian Tower
25%inclusion1 decks4 decks
21%synergy
Mistrise Village
25%inclusion1 decks4 decks
22%synergy
Serra's Sanctum
25%inclusion1 decks4 decks
23%synergy
Emergence Zone
25%inclusion1 decks4 decks
23%synergy
Mana Artifacts
Arcane Signet
100%inclusion4 decks4 decks
12%synergy
Lotus Petal
100%inclusion4 decks4 decks
90%synergy
Sol Ring
100%inclusion4 decks4 decks
10%synergy
Talisman of Dominance
75%inclusion3 decks4 decks
25%synergy
Mana Vault
75%inclusion3 decks4 decks
66%synergy
Fellwar Stone
75%inclusion3 decks4 decks
42%synergy
Mox Opal
75%inclusion3 decks4 decks
67%synergy
Lion's Eye Diamond
75%inclusion3 decks4 decks
73%synergy
Mox Amber
50%inclusion2 decks4 decks
44%synergy
Talisman of Progress
25%inclusion1 decks4 decks
-19%synergy
Talisman of Hierarchy
25%inclusion1 decks4 decks
-20%synergy
Lands
Tundra
100%inclusion4 decks4 decks
84%synergy
Command Tower
100%inclusion4 decks4 decks
7%synergy
Misty Rainforest
100%inclusion4 decks4 decks
89%synergy
Underground Sea
100%inclusion4 decks4 decks
84%synergy
Godless Shrine
100%inclusion4 decks4 decks
48%synergy
Morphic Pool
100%inclusion4 decks4 decks
66%synergy
Gemstone Caverns
100%inclusion4 decks4 decks
93%synergy
Scrubland
100%inclusion4 decks4 decks
84%synergy
Mana Confluence
100%inclusion4 decks4 decks
86%synergy
Marsh Flats
100%inclusion4 decks4 decks
64%synergy
Polluted Delta
100%inclusion4 decks4 decks
62%synergy
Hallowed Fountain
100%inclusion4 decks4 decks
49%synergy
City of Brass
100%inclusion4 decks4 decks
85%synergy
Flooded Strand
100%inclusion4 decks4 decks
61%synergy
Bloodstained Mire
100%inclusion4 decks4 decks
89%synergy
Watery Grave
100%inclusion4 decks4 decks
49%synergy
Undercity Sewers
75%inclusion3 decks4 decks
60%synergy
Windswept Heath
75%inclusion3 decks4 decks
66%synergy
Sea of Clouds
75%inclusion3 decks4 decks
40%synergy
Verdant Catacombs
75%inclusion3 decks4 decks
65%synergy
Arid Mesa
75%inclusion3 decks4 decks
66%synergy
Shadowy Backstreet
50%inclusion2 decks4 decks
37%synergy
Exotic Orchard
50%inclusion2 decks4 decks
-9%synergy
Scalding Tarn
50%inclusion2 decks4 decks
39%synergy
Vault of Champions
50%inclusion2 decks4 decks
18%synergy
Raffine's Tower
25%inclusion1 decks4 decks
-16%synergy
Cavern of Souls
25%inclusion1 decks4 decks
18%synergy
Island
25%inclusion1 decks4 decks
-68%synergy
Sink into Stupor
25%inclusion1 decks4 decks
12%synergy
Meticulous Archive
25%inclusion1 decks4 decks
11%synergy
Starting Town
25%inclusion1 decks4 decks
21%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test