The Master of Keys (Commander) - Budget Topdeck

The Master of Keys
Rank #314
2decks
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Background image for What if Thassa's Oracle Were Banned?
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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Lands
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Solemn Simulacrum
100%inclusion2 decks2 decks
85%synergy
Starfield Mystic
100%inclusion2 decks2 decks
93%synergy
Dream Eater
100%inclusion2 decks2 decks
99%synergy
Demon of Fate's Design
100%inclusion2 decks2 decks
95%synergy
Soaring Lightbringer
100%inclusion2 decks2 decks
95%synergy
Moon-Blessed Cleric
100%inclusion2 decks2 decks
95%synergy
Mesa Enchantress
100%inclusion2 decks2 decks
91%synergy
Athreos, Shroud-Veiled
100%inclusion2 decks2 decks
96%synergy
Arvinox, the Mind Flail
100%inclusion2 decks2 decks
98%synergy
Fear of Sleep Paralysis
100%inclusion2 decks2 decks
94%synergy
Archetype of Imagination
100%inclusion2 decks2 decks
95%synergy
Verge Rangers
100%inclusion2 decks2 decks
99%synergy
Ancient Cellarspawn
100%inclusion2 decks2 decks
97%synergy
Nightmare Shepherd
100%inclusion2 decks2 decks
98%synergy
Doomwake Giant
100%inclusion2 decks2 decks
94%synergy
Auramancer
100%inclusion2 decks2 decks
97%synergy
Aminatou, Veil Piercer
100%inclusion2 decks2 decks
99%synergy
Phenomenon Investigators
100%inclusion2 decks2 decks
99%synergy
Metamorphosis Fanatic
50%inclusion1 decks2 decks
45%synergy
Inquisitive Glimmer
50%inclusion1 decks2 decks
42%synergy
Fear of Surveillance
50%inclusion1 decks2 decks
50%synergy
Burnished Hart
50%inclusion1 decks2 decks
47%synergy
Victor, Valgavoth's Seneschal
50%inclusion1 decks2 decks
48%synergy
Prognostic Sphinx
50%inclusion1 decks2 decks
49%synergy
Appendage Amalgam
50%inclusion1 decks2 decks
50%synergy
Balemurk Leech
50%inclusion1 decks2 decks
49%synergy
Ondu Spiritdancer
50%inclusion1 decks2 decks
44%synergy
Instants
Telling Time
100%inclusion2 decks2 decks
98%synergy
Brainstorm
100%inclusion2 decks2 decks
83%synergy
Thirst for Meaning
100%inclusion2 decks2 decks
98%synergy
Arcane Denial
100%inclusion2 decks2 decks
80%synergy
Swords to Plowshares
100%inclusion2 decks2 decks
32%synergy
Otherworldly Gaze
100%inclusion2 decks2 decks
98%synergy
Utter End
100%inclusion2 decks2 decks
93%synergy
Return to Dust
50%inclusion1 decks2 decks
46%synergy
Inkshield
50%inclusion1 decks2 decks
41%synergy
Sorceries
Ponder
100%inclusion2 decks2 decks
91%synergy
Time Wipe
100%inclusion2 decks2 decks
93%synergy
Terminus
100%inclusion2 decks2 decks
96%synergy
Diabolic Vision
100%inclusion2 decks2 decks
98%synergy
Aminatou's Augury
100%inclusion2 decks2 decks
99%synergy
Portent
100%inclusion2 decks2 decks
97%synergy
Redress Fate
100%inclusion2 decks2 decks
94%synergy
Windfall
50%inclusion1 decks2 decks
36%synergy
Come Back Wrong
50%inclusion1 decks2 decks
50%synergy
Read the Bones
50%inclusion1 decks2 decks
46%synergy
Night's Whisper
50%inclusion1 decks2 decks
47%synergy
Entreat the Angels
50%inclusion1 decks2 decks
48%synergy
Utility Artifacts
Brainstone
50%inclusion1 decks2 decks
49%synergy
Enchantments
One with the Multiverse
100%inclusion2 decks2 decks
95%synergy
Cramped Vents // Access Maze
100%inclusion2 decks2 decks
97%synergy
The Eldest Reborn
100%inclusion2 decks2 decks
98%synergy
Mirrormade
100%inclusion2 decks2 decks
90%synergy
Spirit-Sister's Call
100%inclusion2 decks2 decks
99%synergy
Shark Typhoon
100%inclusion2 decks2 decks
94%synergy
Timely Ward
100%inclusion2 decks2 decks
95%synergy
Sphere of Safety
100%inclusion2 decks2 decks
91%synergy
Monologue Tax
100%inclusion2 decks2 decks
94%synergy
Bottomless Pool // Locker Room
100%inclusion2 decks2 decks
98%synergy
Secret Arcade // Dusty Parlor
100%inclusion2 decks2 decks
95%synergy
Cast Out
100%inclusion2 decks2 decks
97%synergy
Extravagant Replication
50%inclusion1 decks2 decks
45%synergy
Sigil of the Empty Throne
50%inclusion1 decks2 decks
44%synergy
Life Insurance
50%inclusion1 decks2 decks
49%synergy
Omniscience
50%inclusion1 decks2 decks
46%synergy
Derelict Attic // Widow's Walk
50%inclusion1 decks2 decks
50%synergy
Call of the Ring
50%inclusion1 decks2 decks
49%synergy
Ethereal Armor
50%inclusion1 decks2 decks
45%synergy
Utility Lands
Bojuka Bog
100%inclusion2 decks2 decks
73%synergy
Hall of Heliod's Generosity
100%inclusion2 decks2 decks
87%synergy
Halimar Depths
100%inclusion2 decks2 decks
95%synergy
Mana Artifacts
Commander's Sphere
100%inclusion2 decks2 decks
81%synergy
Arcane Signet
100%inclusion2 decks2 decks
12%synergy
Sol Ring
100%inclusion2 decks2 decks
10%synergy
Mind Stone
100%inclusion2 decks2 decks
87%synergy
Orzhov Signet
100%inclusion2 decks2 decks
66%synergy
Azorius Signet
100%inclusion2 decks2 decks
68%synergy
Lands
Tainted Isle
100%inclusion2 decks2 decks
94%synergy
Command Tower
100%inclusion2 decks2 decks
8%synergy
Azorius Chancery
100%inclusion2 decks2 decks
86%synergy
Terramorphic Expanse
100%inclusion2 decks2 decks
83%synergy
Temple of Deceit
100%inclusion2 decks2 decks
82%synergy
Caves of Koilos
100%inclusion2 decks2 decks
65%synergy
Dimir Aqueduct
100%inclusion2 decks2 decks
86%synergy
Tainted Field
100%inclusion2 decks2 decks
93%synergy
Swamp
100%inclusion2 decks2 decks
9%synergy
Ash Barrens
100%inclusion2 decks2 decks
89%synergy
Thriving Isle
100%inclusion2 decks2 decks
95%synergy
Arcane Sanctum
100%inclusion2 decks2 decks
46%synergy
Underground River
100%inclusion2 decks2 decks
67%synergy
Temple of Enlightenment
100%inclusion2 decks2 decks
83%synergy
Evolving Wilds
100%inclusion2 decks2 decks
75%synergy
Orzhov Basilica
100%inclusion2 decks2 decks
84%synergy
Island
100%inclusion2 decks2 decks
7%synergy
Plains
100%inclusion2 decks2 decks
9%synergy
Thriving Moor
100%inclusion2 decks2 decks
96%synergy
Thriving Heath
100%inclusion2 decks2 decks
96%synergy
Adarkar Wastes
100%inclusion2 decks2 decks
69%synergy
Obscura Storefront
100%inclusion2 decks2 decks
90%synergy
Temple of Silence
100%inclusion2 decks2 decks
80%synergy
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