The Master of Keys (Commander) - Budget

The Master of Keys
Rank #302
822decks
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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Battles
Utility Lands
Mana Artifacts
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Super Intelligence
4.2%inclusion2 decks48 decks
4%synergy
Dismissive Denial
2.4%inclusion1 decks41 decks
2%synergy
Frozen in Ice
2.4%inclusion1 decks41 decks
2%synergy
Surveillance Room
2.4%inclusion1 decks41 decks
2%synergy
Fall to Earth
2.4%inclusion1 decks41 decks
2%synergy
High Synergy Cards
Inquisitive Glimmer
70%inclusion572 decks822 decks
62%synergy
Mesa Enchantress
67%inclusion552 decks822 decks
59%synergy
Starfield Mystic
63%inclusion520 decks822 decks
57%synergy
Demon of Fate's Design
60%inclusion497 decks822 decks
55%synergy
Doomwake Giant
59%inclusion482 decks822 decks
53%synergy
Scrabbling Skullcrab
52%inclusion427 decks822 decks
51%synergy
Fear of Sleep Paralysis
55%inclusion454 decks822 decks
50%synergy
Gravebreaker Lamia
50%inclusion410 decks822 decks
49%synergy
Sigil of the Empty Throne
54%inclusion440 decks822 decks
48%synergy
Entity Tracker
53%inclusion436 decks822 decks
47%synergy
Top Cards
Victor, Valgavoth's Seneschal
47%inclusion390 decks822 decks
46%synergy
Secret Arcade // Dusty Parlor
47%inclusion385 decks822 decks
42%synergy
Mirrormade
45%inclusion367 decks822 decks
35%synergy
Redress Fate
44%inclusion363 decks822 decks
39%synergy
Swords to Plowshares
44%inclusion363 decks822 decks
-24%synergy
Fear of Impostors
43%inclusion350 decks822 decks
41%synergy
Sphere of Safety
42%inclusion349 decks822 decks
33%synergy
Defiled Crypt // Cadaver Lab
41%inclusion339 decks822 decks
41%synergy
Cemetery Tampering
40%inclusion332 decks822 decks
40%synergy
Bottomless Pool // Locker Room
40%inclusion330 decks822 decks
38%synergy
Creatures
Soaring Lightbringer
40%inclusion328 decks822 decks
35%synergy
Ghostly Dancers
39%inclusion321 decks822 decks
37%synergy
Moon-Blessed Cleric
38%inclusion310 decks822 decks
33%synergy
Ondu Spiritdancer
35%inclusion289 decks822 decks
29%synergy
Aminatou, Veil Piercer
34%inclusion280 decks822 decks
33%synergy
Athreos, Shroud-Veiled
27%inclusion226 decks822 decks
23%synergy
Skullsnap Nuisance
27%inclusion225 decks822 decks
27%synergy
Grim Guardian
27%inclusion221 decks822 decks
24%synergy
Archetype of Imagination
27%inclusion219 decks822 decks
22%synergy
Silent Hallcreeper
26%inclusion217 decks822 decks
22%synergy
Archon of Sun's Grace
25%inclusion207 decks822 decks
21%synergy
Zur the Enchanter
24%inclusion197 decks822 decks
19%synergy
Fear of Infinity
24%inclusion195 decks822 decks
23%synergy
Overlord of the Floodpits
23%inclusion191 decks822 decks
20%synergy
Sage of Mysteries
23%inclusion186 decks822 decks
22%synergy
Balemurk Leech
22%inclusion184 decks822 decks
22%synergy
Mindwrack Harpy
21%inclusion172 decks822 decks
21%synergy
Gremlin Tamer
20%inclusion162 decks822 decks
19%synergy
Heliod, the Radiant Dawn
19%inclusion158 decks822 decks
16%synergy
Ancient Cellarspawn
19%inclusion156 decks822 decks
16%synergy
Nightmare Shepherd
18%inclusion150 decks822 decks
16%synergy
Alseid of Life's Bounty
18%inclusion145 decks822 decks
16%synergy
Fear of Surveillance
17%inclusion137 decks822 decks
16%synergy
Zur, Eternal Schemer
16%inclusion135 decks822 decks
13%synergy
Spirited Companion
16%inclusion133 decks822 decks
14%synergy
Auramancer
16%inclusion129 decks822 decks
13%synergy
Solemn Simulacrum
16%inclusion128 decks822 decks
3%synergy
Enduring Curiosity
14%inclusion113 decks822 decks
6%synergy
Starnheim Courser
13%inclusion104 decks822 decks
9%synergy
Nashi, Searcher in the Dark
13%inclusion104 decks822 decks
12%synergy
Appendage Amalgam
11%inclusion93 decks822 decks
11%synergy
Millikin
11%inclusion92 decks822 decks
11%synergy
Fear of the Dark
11%inclusion92 decks822 decks
11%synergy
Arvinox, the Mind Flail
11%inclusion90 decks822 decks
9%synergy
Creeping Peeper
11%inclusion88 decks822 decks
11%synergy
Metamorphosis Fanatic
10%inclusion81 decks822 decks
6%synergy
Optimistic Scavenger
9.5%inclusion78 decks822 decks
9%synergy
Ghostly Keybearer
9.2%inclusion76 decks822 decks
9%synergy
Fear of Failed Tests
8.6%inclusion71 decks822 decks
8%synergy
Fear of Lost Teeth
8.6%inclusion71 decks822 decks
8%synergy
Burnished Hart
8.5%inclusion70 decks822 decks
6%synergy
Phenomenon Investigators
8.3%inclusion68 decks822 decks
8%synergy
Fear of Isolation
8.2%inclusion67 decks822 decks
8%synergy
Stitcher's Supplier
7.9%inclusion65 decks822 decks
7%synergy
Overlord of the Mistmoors
7.5%inclusion62 decks822 decks
6%synergy
Fear of Immobility
7.4%inclusion61 decks822 decks
7%synergy
Eiganjo Dynastorian
7.1%inclusion11 decks155 decks
6%synergy
Dream Eater
7.1%inclusion58 decks822 decks
7%synergy
Verge Rangers
6.6%inclusion54 decks822 decks
5%synergy
Fear of Falling
6.4%inclusion53 decks822 decks
6%synergy
Instants
Thirst for Meaning
37%inclusion307 decks822 decks
36%synergy
Otherworldly Gaze
29%inclusion241 decks822 decks
27%synergy
Arcane Denial
26%inclusion213 decks822 decks
6%synergy
Path to Exile
24%inclusion194 decks822 decks
-19%synergy
Counterspell
23%inclusion191 decks822 decks
-19%synergy
Negate
22%inclusion177 decks822 decks
5%synergy
Void Rend
20%inclusion163 decks822 decks
-15%synergy
Frantic Search
18%inclusion151 decks822 decks
-0%synergy
Utter End
17%inclusion136 decks822 decks
10%synergy
Inkshield
16%inclusion131 decks822 decks
6%synergy
Brainstorm
15%inclusion120 decks822 decks
-2%synergy
Return to Dust
11%inclusion89 decks822 decks
8%synergy
Fact or Fiction
9.5%inclusion78 decks822 decks
6%synergy
Telling Time
8.4%inclusion69 decks822 decks
6%synergy
An Offer You Can't Refuse
8.2%inclusion67 decks822 decks
-20%synergy
Don't Make a Sound
7.9%inclusion65 decks821 decks
7%synergy
Get Out
6.9%inclusion57 decks822 decks
7%synergy
Dovin's Veto
6.8%inclusion56 decks822 decks
-19%synergy
Glimmerburst
6.2%inclusion51 decks821 decks
6%synergy
Dark Ritual
6.1%inclusion50 decks822 decks
-14%synergy
Generous Gift
6.0%inclusion49 decks822 decks
-8%synergy
Murder
5.6%inclusion46 decks822 decks
4%synergy
Sorceries
Sevinne's Reclamation
29%inclusion239 decks822 decks
20%synergy
Time Wipe
28%inclusion229 decks822 decks
22%synergy
Extinguish All Hope
26%inclusion216 decks822 decks
25%synergy
Dance of the Manse
23%inclusion191 decks822 decks
20%synergy
Singularity Rupture
20%inclusion94 decks461 decks
18%synergy
Ponder
13%inclusion103 decks822 decks
4%synergy
Read the Bones
12%inclusion96 decks822 decks
8%synergy
Terminus
11%inclusion92 decks822 decks
7%synergy
Resurgent Belief
11%inclusion89 decks822 decks
9%synergy
Portent
8.9%inclusion73 decks822 decks
6%synergy
Diabolic Vision
8.6%inclusion71 decks822 decks
6%synergy
Aminatou's Augury
7.7%inclusion63 decks822 decks
6%synergy
Space-Time Anomaly
7.5%inclusion34 decks451 decks
6%synergy
Final Vengeance
7.2%inclusion59 decks822 decks
7%synergy
Open the Vaults
6.7%inclusion55 decks822 decks
5%synergy
Windfall
6.4%inclusion53 decks822 decks
-7%synergy
Austere Command
6.3%inclusion52 decks822 decks
-2%synergy
Demonic Counsel
6.3%inclusion52 decks822 decks
5%synergy
Glimpse the Unthinkable
6.0%inclusion49 decks822 decks
5%synergy
Entreat the Angels
5.6%inclusion46 decks822 decks
4%synergy
Buried Alive
5.6%inclusion46 decks822 decks
1%synergy
Brilliant Restoration
5.4%inclusion44 decks822 decks
4%synergy
Supreme Verdict
5.2%inclusion43 decks822 decks
-9%synergy
Utility Artifacts
Keys to the House
16%inclusion134 decks822 decks
16%synergy
Cloud Key
11%inclusion89 decks822 decks
8%synergy
Wayfarer's Bauble
10%inclusion84 decks822 decks
3%synergy
Swiftfoot Boots
9.4%inclusion77 decks822 decks
-15%synergy
Perpetual Timepiece
6.0%inclusion49 decks822 decks
6%synergy
Brainstone
5.1%inclusion42 decks822 decks
4%synergy
Enchantments
Seal of Cleansing
39%inclusion322 decks822 decks
38%synergy
Ethereal Armor
36%inclusion295 decks822 decks
31%synergy
Cramped Vents // Access Maze
32%inclusion266 decks822 decks
30%synergy
Extravagant Replication
32%inclusion265 decks822 decks
27%synergy
Grasp of Fate
31%inclusion256 decks822 decks
25%synergy
All That Glitters
31%inclusion252 decks822 decks
22%synergy
Shark Typhoon
30%inclusion250 decks822 decks
25%synergy
Restricted Office // Lecture Hall
30%inclusion249 decks822 decks
28%synergy
Dress Down
30%inclusion247 decks822 decks
28%synergy
Timely Ward
29%inclusion241 decks822 decks
24%synergy
The Eldest Reborn
28%inclusion231 decks822 decks
26%synergy
Monologue Tax
28%inclusion227 decks822 decks
21%synergy
Propaganda
27%inclusion223 decks822 decks
-2%synergy
Central Elevator // Promising Stairs
26%inclusion216 decks822 decks
26%synergy
Cacophony Unleashed
25%inclusion209 decks822 decks
24%synergy
Ripples of Undeath
25%inclusion203 decks822 decks
22%synergy
Estrid's Invocation
23%inclusion188 decks822 decks
18%synergy
The Tale of Tamiyo
23%inclusion188 decks822 decks
22%synergy
Derelict Attic // Widow's Walk
23%inclusion186 decks821 decks
22%synergy
Stillness in Motion
22%inclusion131 decks594 decks
22%synergy
Meat Locker // Drowned Diner
21%inclusion176 decks821 decks
21%synergy
Imprisoned in the Moon
21%inclusion176 decks822 decks
15%synergy
Polluted Cistern // Dim Oubliette
21%inclusion173 decks822 decks
21%synergy
Dazzling Theater // Prop Room
21%inclusion172 decks822 decks
20%synergy
One with the Multiverse
20%inclusion163 decks822 decks
15%synergy
Seal of Removal
20%inclusion163 decks822 decks
19%synergy
Underwater Tunnel // Slimy Aquarium
18%inclusion151 decks822 decks
18%synergy
Secrets of the Dead
18%inclusion150 decks822 decks
18%synergy
Surgical Suite // Hospital Room
18%inclusion149 decks822 decks
18%synergy
Cast Out
18%inclusion148 decks822 decks
15%synergy
Mirror Room // Fractured Realm
18%inclusion147 decks822 decks
16%synergy
Amphibian Downpour
17%inclusion141 decks822 decks
13%synergy
Darksteel Mutation
17%inclusion137 decks822 decks
11%synergy
Unable to Scream
16%inclusion135 decks822 decks
15%synergy
Copy Enchantment
15%inclusion121 decks822 decks
10%synergy
Ghostly Prison
15%inclusion121 decks822 decks
-8%synergy
Animate Dead
14%inclusion114 decks822 decks
4%synergy
Phyrexian Arena
14%inclusion112 decks822 decks
-0%synergy
Nowhere to Run
13%inclusion107 decks822 decks
12%synergy
Spirit-Sister's Call
13%inclusion107 decks822 decks
12%synergy
Seal of Doom
13%inclusion105 decks822 decks
13%synergy
Unholy Annex // Ritual Chamber
13%inclusion104 decks822 decks
12%synergy
Funeral Room // Awakening Hall
12%inclusion102 decks822 decks
12%synergy
Sheltered by Ghosts
12%inclusion102 decks822 decks
10%synergy
Trapped in the Screen
12%inclusion96 decks822 decks
11%synergy
Life Insurance
10%inclusion82 decks822 decks
9%synergy
Grand Entryway // Elegant Rotunda
10%inclusion82 decks822 decks
10%synergy
Soul Snare
10%inclusion81 decks822 decks
10%synergy
Witness Protection
9.4%inclusion77 decks822 decks
8%synergy
Dollmaker's Shop // Porcelain Gallery
7.9%inclusion65 decks822 decks
7%synergy
Battles
Invasion of Theros
10%inclusion82 decks822 decks
8%synergy
Utility Lands
Bojuka Bog
38%inclusion311 decks822 decks
11%synergy
Hall of Heliod's Generosity
34%inclusion276 decks822 decks
21%synergy
Halimar Depths
20%inclusion163 decks822 decks
15%synergy
Reliquary Tower
8.2%inclusion67 decks822 decks
-26%synergy
Cephalid Coliseum
7.4%inclusion61 decks822 decks
4%synergy
Rogue's Passage
5.8%inclusion48 decks822 decks
-4%synergy
Mana Artifacts
Arcane Signet
81%inclusion663 decks822 decks
-7%synergy
Sol Ring
78%inclusion641 decks822 decks
-12%synergy
Azorius Signet
57%inclusion467 decks822 decks
27%synergy
Orzhov Signet
54%inclusion447 decks822 decks
23%synergy
Dimir Signet
36%inclusion299 decks822 decks
6%synergy
Commander's Sphere
34%inclusion277 decks822 decks
16%synergy
Mind Stone
33%inclusion272 decks822 decks
21%synergy
Talisman of Progress
29%inclusion241 decks822 decks
-15%synergy
Talisman of Dominance
29%inclusion238 decks822 decks
-21%synergy
Talisman of Hierarchy
25%inclusion203 decks822 decks
-20%synergy
Fellwar Stone
19%inclusion159 decks822 decks
-14%synergy
Lands
Island
99%inclusion815 decks822 decks
6%synergy
Swamp
99%inclusion811 decks822 decks
7%synergy
Plains
98%inclusion808 decks822 decks
6%synergy
Command Tower
87%inclusion715 decks822 decks
-6%synergy
Arcane Sanctum
73%inclusion604 decks822 decks
19%synergy
Evolving Wilds
52%inclusion430 decks822 decks
28%synergy
Caves of Koilos
51%inclusion419 decks822 decks
15%synergy
Temple of Enlightenment
51%inclusion417 decks822 decks
35%synergy
Terramorphic Expanse
50%inclusion408 decks822 decks
34%synergy
Temple of Silence
49%inclusion400 decks822 decks
30%synergy
Adarkar Wastes
48%inclusion398 decks822 decks
16%synergy
Temple of Deceit
47%inclusion384 decks822 decks
30%synergy
Exotic Orchard
45%inclusion369 decks822 decks
-14%synergy
Obscura Storefront
42%inclusion343 decks822 decks
33%synergy
Prairie Stream
41%inclusion336 decks822 decks
0%synergy
Underground River
40%inclusion326 decks822 decks
5%synergy
Dimir Aqueduct
39%inclusion319 decks822 decks
26%synergy
Azorius Chancery
39%inclusion318 decks822 decks
25%synergy
Orzhov Basilica
37%inclusion307 decks822 decks
23%synergy
Sunken Hollow
36%inclusion295 decks822 decks
-4%synergy
Tainted Field
35%inclusion287 decks822 decks
28%synergy
Tainted Isle
34%inclusion282 decks822 decks
28%synergy
Glacial Fortress
34%inclusion278 decks822 decks
-9%synergy
Isolated Chapel
32%inclusion261 decks822 decks
-10%synergy
Contaminated Landscape
29%inclusion239 decks822 decks
15%synergy
Ash Barrens
27%inclusion225 decks822 decks
17%synergy
Valgavoth's Lair
21%inclusion170 decks822 decks
18%synergy
Thriving Isle
20%inclusion162 decks822 decks
15%synergy
Thriving Heath
19%inclusion160 decks822 decks
15%synergy
Thriving Moor
19%inclusion157 decks822 decks
15%synergy
Drowned Catacomb
18%inclusion150 decks822 decks
-20%synergy
Darkwater Catacombs
17%inclusion139 decks822 decks
2%synergy
Skycloud Expanse
17%inclusion139 decks822 decks
2%synergy
Choked Estuary
17%inclusion138 decks822 decks
0%synergy
Port Town
16%inclusion135 decks822 decks
-1%synergy
Path of Ancestry
15%inclusion125 decks822 decks
-13%synergy
Shineshadow Snarl
13%inclusion109 decks822 decks
2%synergy
Myriad Landscape
12%inclusion97 decks822 decks
4%synergy
Irrigated Farmland
8.3%inclusion68 decks822 decks
1%synergy
Abandoned Campground
8.0%inclusion66 decks822 decks
7%synergy
Desolate Mire
7.9%inclusion65 decks822 decks
1%synergy
Fetid Heath
7.9%inclusion65 decks822 decks
-6%synergy
Tranquil Cove
7.4%inclusion61 decks822 decks
1%synergy
Glasswing Grace
7.3%inclusion60 decks822 decks
5%synergy
Scoured Barrens
7.1%inclusion58 decks822 decks
1%synergy
Fetid Pools
6.8%inclusion56 decks822 decks
0%synergy
Neglected Manor
6.7%inclusion55 decks822 decks
6%synergy
Dismal Backwater
6.3%inclusion52 decks822 decks
0%synergy
Murky Sewer
6.1%inclusion50 decks822 decks
6%synergy
Forum of Amity
5.2%inclusion8 decks155 decks
4%synergy
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