The Master of Keys (Commander) - Budget Optimized Control

The Master of Keys
Rank #300
3decks
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.
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Commander Spellbook
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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Gifts Ungiven
33%inclusion1 decks3 decks
31%synergy
Narset, Parter of Veils
33%inclusion1 decks3 decks
30%synergy
Notion Thief
33%inclusion1 decks3 decks
27%synergy
Creatures
Entity Tracker
100%inclusion3 decks3 decks
94%synergy
Scrabbling Skullcrab
67%inclusion2 decks3 decks
66%synergy
Starfield Mystic
67%inclusion2 decks3 decks
60%synergy
Gravebreaker Lamia
67%inclusion2 decks3 decks
66%synergy
Inquisitive Glimmer
67%inclusion2 decks3 decks
60%synergy
Demon of Fate's Design
67%inclusion2 decks3 decks
61%synergy
Silent Hallcreeper
67%inclusion2 decks3 decks
62%synergy
Zur, Eternal Schemer
67%inclusion2 decks3 decks
63%synergy
Starnheim Courser
33%inclusion1 decks3 decks
30%synergy
Optimistic Scavenger
33%inclusion1 decks3 decks
33%synergy
Fear of Infinity
33%inclusion1 decks3 decks
33%synergy
Bruvac the Grandiloquent
33%inclusion1 decks3 decks
33%synergy
Hanna, Ship's Navigator
33%inclusion1 decks3 decks
31%synergy
Lurrus of the Dream-Den
33%inclusion1 decks3 decks
32%synergy
Archon of Sun's Grace
33%inclusion1 decks3 decks
29%synergy
Heliod, God of the Sun
33%inclusion1 decks3 decks
32%synergy
Malevolent Hermit
33%inclusion1 decks3 decks
33%synergy
Fear of Impostors
33%inclusion1 decks3 decks
32%synergy
Sage of Mysteries
33%inclusion1 decks3 decks
33%synergy
Thassa, God of the Sea
33%inclusion1 decks3 decks
32%synergy
Hedron Crab
33%inclusion1 decks3 decks
33%synergy
Ruin Crab
33%inclusion1 decks3 decks
32%synergy
Leonin Relic-Warder
33%inclusion1 decks3 decks
33%synergy
Mesa Enchantress
33%inclusion1 decks3 decks
25%synergy
Skullsnap Nuisance
33%inclusion1 decks3 decks
33%synergy
Cruel Somnophage
33%inclusion1 decks3 decks
33%synergy
Athreos, Shroud-Veiled
33%inclusion1 decks3 decks
29%synergy
Spirited Companion
33%inclusion1 decks3 decks
32%synergy
Wall of Denial
33%inclusion1 decks3 decks
33%synergy
Enduring Curiosity
33%inclusion1 decks3 decks
25%synergy
Fear of Sleep Paralysis
33%inclusion1 decks3 decks
28%synergy
Warehouse Tabby
33%inclusion1 decks3 decks
33%synergy
Laboratory Maniac
33%inclusion1 decks3 decks
30%synergy
Nashi, Searcher in the Dark
33%inclusion1 decks3 decks
33%synergy
Nightmare Shepherd
33%inclusion1 decks3 decks
31%synergy
Doomwake Giant
33%inclusion1 decks3 decks
28%synergy
Aminatou, Veil Piercer
33%inclusion1 decks3 decks
32%synergy
Heliod, the Radiant Dawn
33%inclusion1 decks3 decks
30%synergy
Ghostly Dancers
33%inclusion1 decks3 decks
31%synergy
Aegis of the Gods
33%inclusion1 decks3 decks
32%synergy
Abdel Adrian, Gorion's Ward
33%inclusion1 decks3 decks
32%synergy
Phenomenon Investigators
33%inclusion1 decks3 decks
33%synergy
Hullbreaker Horror
33%inclusion1 decks3 decks
27%synergy
Aven Mindcensor
33%inclusion1 decks3 decks
31%synergy
Priest of Fell Rites
33%inclusion1 decks3 decks
30%synergy
Mindwrack Harpy
33%inclusion1 decks3 decks
33%synergy
Millikin
33%inclusion1 decks3 decks
33%synergy
Ghostly Pilferer
33%inclusion1 decks3 decks
26%synergy
Exhibition Tidecaller
33%inclusion1 decks3 decks
33%synergy
Instants
Negate
67%inclusion2 decks3 decks
51%synergy
Swords to Plowshares
67%inclusion2 decks3 decks
-1%synergy
Muddle the Mixture
33%inclusion1 decks3 decks
30%synergy
Shred Memory
33%inclusion1 decks3 decks
33%synergy
Frantic Search
33%inclusion1 decks3 decks
15%synergy
Dovin's Veto
33%inclusion1 decks3 decks
7%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
5%synergy
Darkblast
33%inclusion1 decks3 decks
33%synergy
Thought Collapse
33%inclusion1 decks3 decks
33%synergy
Thirst for Meaning
33%inclusion1 decks3 decks
32%synergy
Silence
33%inclusion1 decks3 decks
23%synergy
Into the Flood Maw
33%inclusion1 decks3 decks
30%synergy
Delay
33%inclusion1 decks3 decks
32%synergy
Get Out
33%inclusion1 decks3 decks
33%synergy
Didn't Say Please
33%inclusion1 decks3 decks
33%synergy
Counterspell
33%inclusion1 decks3 decks
-9%synergy
Path to Exile
33%inclusion1 decks3 decks
-9%synergy
No More Lies
33%inclusion1 decks3 decks
32%synergy
Sorceries
Buried Alive
67%inclusion2 decks3 decks
62%synergy
Supreme Verdict
33%inclusion1 decks3 decks
19%synergy
Windfall
33%inclusion1 decks3 decks
20%synergy
Lively Dirge
33%inclusion1 decks3 decks
32%synergy
Unmarked Grave
33%inclusion1 decks3 decks
32%synergy
Sevinne's Reclamation
33%inclusion1 decks3 decks
24%synergy
Open the Vaults
33%inclusion1 decks3 decks
32%synergy
Victimize
33%inclusion1 decks3 decks
24%synergy
Come Back Wrong
33%inclusion1 decks3 decks
33%synergy
Split Up
33%inclusion1 decks3 decks
32%synergy
Demonic Counsel
33%inclusion1 decks3 decks
32%synergy
Brilliant Restoration
33%inclusion1 decks3 decks
32%synergy
Final Parting
33%inclusion1 decks3 decks
33%synergy
Lucid Dreams
33%inclusion1 decks3 decks
33%synergy
Extinguish All Hope
33%inclusion1 decks3 decks
32%synergy
Fractured Sanity
33%inclusion1 decks3 decks
32%synergy
Maddening Cacophony
33%inclusion1 decks3 decks
32%synergy
Dance of the Manse
33%inclusion1 decks3 decks
30%synergy
Emerge from the Cocoon
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Cloud Key
33%inclusion1 decks3 decks
30%synergy
Whip of Erebos
33%inclusion1 decks3 decks
31%synergy
Cursed Totem
33%inclusion1 decks3 decks
31%synergy
Keys to the House
33%inclusion1 decks3 decks
33%synergy
Wishclaw Talisman
33%inclusion1 decks3 decks
26%synergy
Darksteel Plate
33%inclusion1 decks3 decks
32%synergy
Swiftfoot Boots
33%inclusion1 decks3 decks
9%synergy
Enchantments
Cacophony Unleashed
67%inclusion2 decks3 decks
65%synergy
Ripples of Undeath
67%inclusion2 decks3 decks
64%synergy
Amphibian Downpour
67%inclusion2 decks3 decks
62%synergy
Seal of Cleansing
67%inclusion2 decks3 decks
65%synergy
Animate Dead
67%inclusion2 decks3 decks
57%synergy
Dress Down
67%inclusion2 decks3 decks
64%synergy
Darksteel Mutation
33%inclusion1 decks3 decks
27%synergy
One with the Multiverse
33%inclusion1 decks3 decks
29%synergy
Founding the Third Path
33%inclusion1 decks3 decks
33%synergy
Grasp of Fate
33%inclusion1 decks3 decks
27%synergy
Verity Circle
33%inclusion1 decks3 decks
33%synergy
Vow of Duty
33%inclusion1 decks3 decks
33%synergy
Underwater Tunnel // Slimy Aquarium
33%inclusion1 decks3 decks
33%synergy
Frogify
33%inclusion1 decks3 decks
33%synergy
Imprisoned in the Moon
33%inclusion1 decks3 decks
27%synergy
Curse of Silence
33%inclusion1 decks3 decks
33%synergy
Underworld Connections
33%inclusion1 decks3 decks
33%synergy
Extravagant Replication
33%inclusion1 decks3 decks
28%synergy
Sigil of the Empty Throne
33%inclusion1 decks3 decks
28%synergy
Tinybones Joins Up
33%inclusion1 decks3 decks
32%synergy
Shardmage's Rescue
33%inclusion1 decks3 decks
33%synergy
Utter Insignificance
33%inclusion1 decks3 decks
33%synergy
Reprobation
33%inclusion1 decks3 decks
33%synergy
Soul Snare
33%inclusion1 decks3 decks
33%synergy
Touch the Spirit Realm
33%inclusion1 decks3 decks
31%synergy
Authority of the Consuls
33%inclusion1 decks3 decks
20%synergy
Duelist's Heritage
33%inclusion1 decks3 decks
31%synergy
Blind Obedience
33%inclusion1 decks3 decks
21%synergy
Pacifism
33%inclusion1 decks3 decks
33%synergy
Deafening Silence
33%inclusion1 decks3 decks
32%synergy
Surgical Suite // Hospital Room
33%inclusion1 decks3 decks
33%synergy
Mirrormade
33%inclusion1 decks3 decks
24%synergy
Estrid's Invocation
33%inclusion1 decks3 decks
29%synergy
Ichthyomorphosis
33%inclusion1 decks3 decks
33%synergy
Out of Time
33%inclusion1 decks3 decks
32%synergy
Mystic Remora
33%inclusion1 decks3 decks
13%synergy
Starfield of Nyx
33%inclusion1 decks3 decks
29%synergy
Central Elevator // Promising Stairs
33%inclusion1 decks3 decks
33%synergy
The Tale of Tamiyo
33%inclusion1 decks3 decks
33%synergy
Cemetery Tampering
33%inclusion1 decks3 decks
33%synergy
Leyline of Anticipation
33%inclusion1 decks3 decks
29%synergy
Karmic Justice
33%inclusion1 decks3 decks
31%synergy
Screams from Within
33%inclusion1 decks3 decks
33%synergy
All That Glitters
33%inclusion1 decks3 decks
25%synergy
Witness Protection
33%inclusion1 decks3 decks
31%synergy
Kasmina's Transmutation
33%inclusion1 decks3 decks
33%synergy
Monologue Tax
33%inclusion1 decks3 decks
27%synergy
Static Prison
33%inclusion1 decks3 decks
33%synergy
Restricted Office // Lecture Hall
33%inclusion1 decks3 decks
31%synergy
Bottomless Pool // Locker Room
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Pit of Offerings
33%inclusion1 decks3 decks
33%synergy
Thran Portal
33%inclusion1 decks3 decks
33%synergy
Cephalid Coliseum
33%inclusion1 decks3 decks
30%synergy
Temple of the False God
33%inclusion1 decks3 decks
25%synergy
Rogue's Passage
33%inclusion1 decks3 decks
24%synergy
Ishgard, the Holy See
33%inclusion1 decks3 decks
30%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Talisman of Progress
67%inclusion2 decks3 decks
22%synergy
Arcane Signet
67%inclusion2 decks3 decks
-21%synergy
Talisman of Dominance
67%inclusion2 decks3 decks
16%synergy
Dimir Signet
33%inclusion1 decks3 decks
4%synergy
Fellwar Stone
33%inclusion1 decks3 decks
0%synergy
Talisman of Hierarchy
33%inclusion1 decks3 decks
-12%synergy
Orzhov Signet
33%inclusion1 decks3 decks
2%synergy
Azorius Signet
33%inclusion1 decks3 decks
4%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
7%synergy
Swamp
100%inclusion3 decks3 decks
8%synergy
Island
100%inclusion3 decks3 decks
7%synergy
Plains
100%inclusion3 decks3 decks
8%synergy
Glacial Fortress
67%inclusion2 decks3 decks
23%synergy
Caves of Koilos
67%inclusion2 decks3 decks
31%synergy
Prairie Stream
67%inclusion2 decks3 decks
26%synergy
Arcane Sanctum
67%inclusion2 decks3 decks
13%synergy
Isolated Chapel
67%inclusion2 decks3 decks
24%synergy
Underground River
67%inclusion2 decks3 decks
31%synergy
Sunken Hollow
67%inclusion2 decks3 decks
27%synergy
Escape Tunnel
33%inclusion1 decks3 decks
32%synergy
Idyllic Beachfront
33%inclusion1 decks3 decks
29%synergy
Gemstone Mine
33%inclusion1 decks3 decks
33%synergy
Abandoned Campground
33%inclusion1 decks3 decks
33%synergy
Terramorphic Expanse
33%inclusion1 decks3 decks
18%synergy
Exotic Orchard
33%inclusion1 decks3 decks
-26%synergy
Contaminated Landscape
33%inclusion1 decks3 decks
20%synergy
Mistvault Bridge
33%inclusion1 decks3 decks
27%synergy
Fetid Heath
33%inclusion1 decks3 decks
20%synergy
Skybridge Towers
33%inclusion1 decks3 decks
33%synergy
Darkwater Catacombs
33%inclusion1 decks3 decks
18%synergy
Spire of Industry
33%inclusion1 decks3 decks
26%synergy
Thriving Isle
33%inclusion1 decks3 decks
29%synergy
Razortide Bridge
33%inclusion1 decks3 decks
27%synergy
Skycloud Expanse
33%inclusion1 decks3 decks
18%synergy
Drowned Catacomb
33%inclusion1 decks3 decks
-5%synergy
Temple of Enlightenment
33%inclusion1 decks3 decks
18%synergy
River of Tears
33%inclusion1 decks3 decks
31%synergy
Seachrome Coast
33%inclusion1 decks3 decks
29%synergy
Sunlit Marsh
33%inclusion1 decks3 decks
29%synergy
Path of Ancestry
33%inclusion1 decks3 decks
5%synergy
Thriving Moor
33%inclusion1 decks3 decks
29%synergy
Thriving Heath
33%inclusion1 decks3 decks
29%synergy
Scoured Barrens
33%inclusion1 decks3 decks
27%synergy
Adarkar Wastes
33%inclusion1 decks3 decks
1%synergy
Obscura Storefront
33%inclusion1 decks3 decks
24%synergy
Temple of Silence
33%inclusion1 decks3 decks
15%synergy
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