The Master of Keys (Commander) - Budget Upgraded Control

The Master of Keys
Rank #301
4decks
As CommanderAs CardAverage DeckDecksView Precon
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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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Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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The Tale of Tamiyo
100%inclusion4 decks4 decks
100%synergy
Entity Tracker
100%inclusion4 decks4 decks
94%synergy
Mesa Enchantress
100%inclusion4 decks4 decks
91%synergy
Game Changers
Gifts Ungiven
25%inclusion1 decks4 decks
22%synergy
Notion Thief
25%inclusion1 decks4 decks
18%synergy
Creatures
Scrabbling Skullcrab
75%inclusion3 decks4 decks
74%synergy
Starfield Mystic
75%inclusion3 decks4 decks
69%synergy
Inquisitive Glimmer
75%inclusion3 decks4 decks
68%synergy
Demon of Fate's Design
75%inclusion3 decks4 decks
70%synergy
Ancient Cellarspawn
75%inclusion3 decks4 decks
72%synergy
Doomwake Giant
75%inclusion3 decks4 decks
69%synergy
Gravebreaker Lamia
50%inclusion2 decks4 decks
49%synergy
Overlord of the Floodpits
50%inclusion2 decks4 decks
47%synergy
Fear of Impostors
50%inclusion2 decks4 decks
49%synergy
Silent Hallcreeper
50%inclusion2 decks4 decks
45%synergy
Athreos, Shroud-Veiled
50%inclusion2 decks4 decks
46%synergy
Deranged Assistant
50%inclusion2 decks4 decks
50%synergy
Fear of Sleep Paralysis
50%inclusion2 decks4 decks
45%synergy
Zur, Eternal Schemer
50%inclusion2 decks4 decks
47%synergy
Ondu Spiritdancer
50%inclusion2 decks4 decks
44%synergy
Zur the Enchanter
50%inclusion2 decks4 decks
45%synergy
Witch Enchanter
25%inclusion1 decks4 decks
18%synergy
Silent Sentinel
25%inclusion1 decks4 decks
25%synergy
Kor Spiritdancer
25%inclusion1 decks4 decks
24%synergy
Uchbenbak, the Great Mistake
25%inclusion1 decks4 decks
25%synergy
Archon of Sun's Grace
25%inclusion1 decks4 decks
21%synergy
Hydroelectric Specimen
25%inclusion1 decks4 decks
22%synergy
Soaring Lightbringer
25%inclusion1 decks4 decks
21%synergy
Archetype of Courage
25%inclusion1 decks4 decks
24%synergy
Overlord of the Mistmoors
25%inclusion1 decks4 decks
23%synergy
Stitcher's Supplier
25%inclusion1 decks4 decks
24%synergy
Moon-Blessed Cleric
25%inclusion1 decks4 decks
20%synergy
Victor, Valgavoth's Seneschal
25%inclusion1 decks4 decks
23%synergy
Enduring Tenacity
25%inclusion1 decks4 decks
17%synergy
Skullsnap Nuisance
25%inclusion1 decks4 decks
25%synergy
Enduring Curiosity
25%inclusion1 decks4 decks
17%synergy
Balemurk Leech
25%inclusion1 decks4 decks
24%synergy
Archetype of Imagination
25%inclusion1 decks4 decks
20%synergy
Kor Cartographer
25%inclusion1 decks4 decks
25%synergy
Warehouse Tabby
25%inclusion1 decks4 decks
25%synergy
Laboratory Maniac
25%inclusion1 decks4 decks
22%synergy
Nashi, Searcher in the Dark
25%inclusion1 decks4 decks
24%synergy
Nightmare Shepherd
25%inclusion1 decks4 decks
23%synergy
Dreadwing Scavenger
25%inclusion1 decks4 decks
24%synergy
Auramancer
25%inclusion1 decks4 decks
22%synergy
Aminatou, Veil Piercer
25%inclusion1 decks4 decks
24%synergy
Grim Guardian
25%inclusion1 decks4 decks
23%synergy
Ghostly Dancers
25%inclusion1 decks4 decks
23%synergy
Mindwrack Harpy
25%inclusion1 decks4 decks
25%synergy
Millikin
25%inclusion1 decks4 decks
24%synergy
Symbiote Spider-Man
25%inclusion1 decks4 decks
25%synergy
Instants
Swords to Plowshares
75%inclusion3 decks4 decks
7%synergy
Frantic Search
50%inclusion2 decks4 decks
31%synergy
Negate
50%inclusion2 decks4 decks
34%synergy
Fact or Fiction
50%inclusion2 decks4 decks
46%synergy
Thirst for Meaning
50%inclusion2 decks4 decks
49%synergy
Slip Out the Back
50%inclusion2 decks4 decks
49%synergy
Arcane Denial
50%inclusion2 decks4 decks
30%synergy
Counterspell
50%inclusion2 decks4 decks
8%synergy
Path to Exile
50%inclusion2 decks4 decks
8%synergy
Inkshield
50%inclusion2 decks4 decks
40%synergy
Dovin's Veto
25%inclusion1 decks4 decks
-1%synergy
An Offer You Can't Refuse
25%inclusion1 decks4 decks
-3%synergy
Refute
25%inclusion1 decks4 decks
23%synergy
Run Away Together
25%inclusion1 decks4 decks
24%synergy
Confounding Riddle
25%inclusion1 decks4 decks
25%synergy
Sublime Epiphany
25%inclusion1 decks4 decks
22%synergy
Defabricate
25%inclusion1 decks4 decks
25%synergy
Winds of Rebuke
25%inclusion1 decks4 decks
25%synergy
Void Rend
25%inclusion1 decks4 decks
-10%synergy
Disallow
25%inclusion1 decks4 decks
21%synergy
Stroke of Midnight
25%inclusion1 decks4 decks
17%synergy
Terror
25%inclusion1 decks4 decks
25%synergy
Shelter
25%inclusion1 decks4 decks
25%synergy
Azorius Charm
25%inclusion1 decks4 decks
25%synergy
Don't Make a Sound
25%inclusion1 decks4 decks
25%synergy
Rowan's Grim Search
25%inclusion1 decks4 decks
25%synergy
Think Twice
25%inclusion1 decks4 decks
25%synergy
Sorceries
Extinguish All Hope
75%inclusion3 decks4 decks
73%synergy
Time Wipe
50%inclusion2 decks4 decks
44%synergy
Cut Your Losses
50%inclusion2 decks4 decks
50%synergy
Redress Fate
50%inclusion2 decks4 decks
45%synergy
Strategic Planning
25%inclusion1 decks4 decks
25%synergy
Windfall
25%inclusion1 decks4 decks
12%synergy
Austere Command
25%inclusion1 decks4 decks
17%synergy
Resurgent Belief
25%inclusion1 decks4 decks
23%synergy
Sevinne's Reclamation
25%inclusion1 decks4 decks
16%synergy
Terminus
25%inclusion1 decks4 decks
21%synergy
Glimpse the Unthinkable
25%inclusion1 decks4 decks
25%synergy
Night's Whisper
25%inclusion1 decks4 decks
22%synergy
Buried Alive
25%inclusion1 decks4 decks
21%synergy
Single Combat
25%inclusion1 decks4 decks
24%synergy
Final Vengeance
25%inclusion1 decks4 decks
25%synergy
Promise of Loyalty
25%inclusion1 decks4 decks
21%synergy
Singularity Rupture
25%inclusion1 decks4 decks
23%synergy
Utility Artifacts
Wayfarer's Bauble
50%inclusion2 decks4 decks
43%synergy
Swiftfoot Boots
50%inclusion2 decks4 decks
26%synergy
Mask of the Schemer
25%inclusion1 decks4 decks
24%synergy
Riverchurn Monument
25%inclusion1 decks4 decks
25%synergy
Expedition Map
25%inclusion1 decks4 decks
24%synergy
Enchantments
Sigil of the Empty Throne
75%inclusion3 decks4 decks
69%synergy
Mirrormade
75%inclusion3 decks4 decks
65%synergy
Cemetery Tampering
75%inclusion3 decks4 decks
74%synergy
Amphibian Downpour
75%inclusion3 decks4 decks
70%synergy
Ethereal Armor
75%inclusion3 decks4 decks
71%synergy
Darksteel Mutation
50%inclusion2 decks4 decks
44%synergy
Grasp of Fate
50%inclusion2 decks4 decks
44%synergy
Cramped Vents // Access Maze
50%inclusion2 decks4 decks
48%synergy
Imprisoned in the Moon
50%inclusion2 decks4 decks
43%synergy
The Eldest Reborn
50%inclusion2 decks4 decks
48%synergy
Copy Enchantment
50%inclusion2 decks4 decks
45%synergy
Seal of Cleansing
50%inclusion2 decks4 decks
49%synergy
Animate Dead
50%inclusion2 decks4 decks
40%synergy
Secret Arcade // Dusty Parlor
50%inclusion2 decks4 decks
46%synergy
Sheltered by Ghosts
50%inclusion2 decks4 decks
47%synergy
Stormchaser's Talent
25%inclusion1 decks4 decks
25%synergy
One with the Multiverse
25%inclusion1 decks4 decks
20%synergy
Unholy Strength
25%inclusion1 decks4 decks
25%synergy
Cacophony Unleashed
25%inclusion1 decks4 decks
23%synergy
Protective Bubble
25%inclusion1 decks4 decks
25%synergy
Ripples of Undeath
25%inclusion1 decks4 decks
22%synergy
Coerced to Kill
25%inclusion1 decks4 decks
25%synergy
Extravagant Replication
25%inclusion1 decks4 decks
20%synergy
Unable to Scream
25%inclusion1 decks4 decks
24%synergy
Grievous Wound
25%inclusion1 decks4 decks
24%synergy
Chains of Custody
25%inclusion1 decks4 decks
24%synergy
Mantle of the Ancients
25%inclusion1 decks4 decks
22%synergy
Estrid's Invocation
25%inclusion1 decks4 decks
20%synergy
Stasis Field
25%inclusion1 decks4 decks
25%synergy
Spirit-Sister's Call
25%inclusion1 decks4 decks
24%synergy
Shark Typhoon
25%inclusion1 decks4 decks
19%synergy
Timely Ward
25%inclusion1 decks4 decks
20%synergy
Sphere of Safety
25%inclusion1 decks4 decks
16%synergy
Knightly Valor
25%inclusion1 decks4 decks
25%synergy
Karmic Justice
25%inclusion1 decks4 decks
23%synergy
All That Glitters
25%inclusion1 decks4 decks
17%synergy
Curator's Ward
25%inclusion1 decks4 decks
23%synergy
Monologue Tax
25%inclusion1 decks4 decks
18%synergy
Disturbing Conversion
25%inclusion1 decks4 decks
25%synergy
Sigil of Myrkul
25%inclusion1 decks4 decks
25%synergy
Secrets of the Dead
25%inclusion1 decks4 decks
25%synergy
Court of Ardenvale
25%inclusion1 decks4 decks
24%synergy
Dress Down
25%inclusion1 decks4 decks
23%synergy
Redemption Arc
25%inclusion1 decks4 decks
25%synergy
Spirit Link
25%inclusion1 decks4 decks
24%synergy
Land Tax
25%inclusion1 decks4 decks
19%synergy
Nowhere to Run
25%inclusion1 decks4 decks
24%synergy
Dog Umbra
25%inclusion1 decks4 decks
25%synergy
Ghostly Prison
25%inclusion1 decks4 decks
2%synergy
Propaganda
25%inclusion1 decks4 decks
-4%synergy
Planeswalkers
Jace, Memory Adept
25%inclusion1 decks4 decks
25%synergy
Jace, Wielder of Mysteries
25%inclusion1 decks4 decks
23%synergy
Utility Lands
Hall of Heliod's Generosity
75%inclusion3 decks4 decks
62%synergy
Bojuka Bog
50%inclusion2 decks4 decks
23%synergy
Barren Moor
25%inclusion1 decks4 decks
23%synergy
Halimar Depths
25%inclusion1 decks4 decks
20%synergy
Lonely Sandbar
25%inclusion1 decks4 decks
23%synergy
Skyline Cascade
25%inclusion1 decks4 decks
25%synergy
Command Beacon
25%inclusion1 decks4 decks
22%synergy
Secluded Steppe
25%inclusion1 decks4 decks
23%synergy
Reliquary Tower
25%inclusion1 decks4 decks
-9%synergy
Temple of the False God
25%inclusion1 decks4 decks
17%synergy
Rogue's Passage
25%inclusion1 decks4 decks
15%synergy
Mana Artifacts
Arcane Signet
100%inclusion4 decks4 decks
12%synergy
Sol Ring
100%inclusion4 decks4 decks
10%synergy
Talisman of Dominance
50%inclusion2 decks4 decks
-0%synergy
Talisman of Hierarchy
50%inclusion2 decks4 decks
5%synergy
Mind Stone
50%inclusion2 decks4 decks
38%synergy
Azorius Signet
50%inclusion2 decks4 decks
21%synergy
Talisman of Progress
25%inclusion1 decks4 decks
-20%synergy
Commander's Sphere
25%inclusion1 decks4 decks
8%synergy
Fellwar Stone
25%inclusion1 decks4 decks
-8%synergy
Orzhov Signet
25%inclusion1 decks4 decks
-6%synergy
Lands
Command Tower
100%inclusion4 decks4 decks
7%synergy
Swamp
100%inclusion4 decks4 decks
8%synergy
Island
100%inclusion4 decks4 decks
7%synergy
Plains
100%inclusion4 decks4 decks
8%synergy
Abandoned Campground
75%inclusion3 decks4 decks
74%synergy
Caves of Koilos
75%inclusion3 decks4 decks
39%synergy
Evolving Wilds
75%inclusion3 decks4 decks
51%synergy
Temple of Silence
75%inclusion3 decks4 decks
57%synergy
Azorius Chancery
50%inclusion2 decks4 decks
37%synergy
Terramorphic Expanse
50%inclusion2 decks4 decks
35%synergy
Myriad Landscape
50%inclusion2 decks4 decks
43%synergy
Exotic Orchard
50%inclusion2 decks4 decks
-9%synergy
Contaminated Landscape
50%inclusion2 decks4 decks
37%synergy
Temple of Deceit
50%inclusion2 decks4 decks
33%synergy
Dimir Aqueduct
50%inclusion2 decks4 decks
37%synergy
Skycloud Expanse
50%inclusion2 decks4 decks
35%synergy
Arcane Sanctum
50%inclusion2 decks4 decks
-4%synergy
Underground River
50%inclusion2 decks4 decks
15%synergy
Temple of Enlightenment
50%inclusion2 decks4 decks
35%synergy
Orzhov Basilica
50%inclusion2 decks4 decks
35%synergy
Adarkar Wastes
50%inclusion2 decks4 decks
17%synergy
Obscura Storefront
50%inclusion2 decks4 decks
41%synergy
Escape Tunnel
25%inclusion1 decks4 decks
24%synergy
Tainted Isle
25%inclusion1 decks4 decks
19%synergy
Glacial Fortress
25%inclusion1 decks4 decks
-19%synergy
Witch Enchanter
25%inclusion1 decks4 decks
18%synergy
Undercity Sewers
25%inclusion1 decks4 decks
10%synergy
Concealed Courtyard
25%inclusion1 decks4 decks
21%synergy
Irrigated Farmland
25%inclusion1 decks4 decks
18%synergy
Fetid Heath
25%inclusion1 decks4 decks
11%synergy
Tainted Field
25%inclusion1 decks4 decks
18%synergy
Hydroelectric Specimen
25%inclusion1 decks4 decks
22%synergy
Ash Barrens
25%inclusion1 decks4 decks
14%synergy
Tranquil Cove
25%inclusion1 decks4 decks
19%synergy
Valgavoth's Lair
25%inclusion1 decks4 decks
23%synergy
Isolated Chapel
25%inclusion1 decks4 decks
-17%synergy
Seachrome Coast
25%inclusion1 decks4 decks
21%synergy
Darkslick Shores
25%inclusion1 decks4 decks
21%synergy
Opal Palace
25%inclusion1 decks4 decks
24%synergy
Azorius Guildgate
25%inclusion1 decks4 decks
23%synergy
Path of Ancestry
25%inclusion1 decks4 decks
-3%synergy
Murky Sewer
25%inclusion1 decks4 decks
25%synergy
Neglected Manor
25%inclusion1 decks4 decks
25%synergy
Meticulous Archive
25%inclusion1 decks4 decks
11%synergy
Scoured Barrens
25%inclusion1 decks4 decks
19%synergy
Watery Grave
25%inclusion1 decks4 decks
-26%synergy
Capital City
25%inclusion1 decks4 decks
24%synergy
Treno, Dark City
25%inclusion1 decks4 decks
24%synergy
Sinister Hideout
25%inclusion1 decks4 decks
24%synergy
North Pole Gates
25%inclusion1 decks4 decks
25%synergy
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