The Master of Keys (Commander) - Budget

The Master of Keys
Rank #300
842decks
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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Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
Back to Top
Kang Dynasty
2.9%inclusion2 decks69 decks
3%synergy
Super Intelligence
2.6%inclusion2 decks76 decks
2%synergy
Dismissive Denial
1.4%inclusion1 decks71 decks
1%synergy
Daily Bugle Newspaper
1.4%inclusion1 decks71 decks
1%synergy
Fall to Earth
1.4%inclusion1 decks71 decks
1%synergy
High Synergy Cards
Inquisitive Glimmer
69%inclusion585 decks842 decks
62%synergy
Mesa Enchantress
66%inclusion559 decks842 decks
58%synergy
Starfield Mystic
62%inclusion525 decks842 decks
56%synergy
Demon of Fate's Design
59%inclusion499 decks842 decks
54%synergy
Doomwake Giant
58%inclusion488 decks842 decks
52%synergy
Scrabbling Skullcrab
51%inclusion433 decks842 decks
50%synergy
Fear of Sleep Paralysis
55%inclusion462 decks842 decks
50%synergy
Gravebreaker Lamia
49%inclusion415 decks842 decks
48%synergy
Sigil of the Empty Throne
53%inclusion449 decks842 decks
48%synergy
Entity Tracker
53%inclusion445 decks842 decks
47%synergy
Top Cards
Victor, Valgavoth's Seneschal
48%inclusion403 decks842 decks
46%synergy
Secret Arcade // Dusty Parlor
46%inclusion389 decks842 decks
42%synergy
Redress Fate
44%inclusion371 decks842 decks
39%synergy
Mirrormade
44%inclusion368 decks842 decks
34%synergy
Swords to Plowshares
43%inclusion365 decks842 decks
-24%synergy
Fear of Impostors
43%inclusion360 decks842 decks
41%synergy
Sphere of Safety
43%inclusion358 decks842 decks
33%synergy
Defiled Crypt // Cadaver Lab
42%inclusion351 decks842 decks
41%synergy
Cemetery Tampering
40%inclusion338 decks842 decks
39%synergy
Bottomless Pool // Locker Room
40%inclusion337 decks842 decks
38%synergy
Creatures
Soaring Lightbringer
40%inclusion333 decks842 decks
35%synergy
Ghostly Dancers
39%inclusion330 decks842 decks
37%synergy
Moon-Blessed Cleric
37%inclusion314 decks842 decks
33%synergy
Ondu Spiritdancer
34%inclusion289 decks842 decks
28%synergy
Aminatou, Veil Piercer
34%inclusion286 decks842 decks
33%synergy
Archetype of Imagination
27%inclusion230 decks842 decks
23%synergy
Grim Guardian
27%inclusion229 decks842 decks
25%synergy
Skullsnap Nuisance
27%inclusion229 decks842 decks
27%synergy
Athreos, Shroud-Veiled
27%inclusion226 decks842 decks
23%synergy
Silent Hallcreeper
27%inclusion224 decks842 decks
22%synergy
Fear of Infinity
25%inclusion209 decks842 decks
24%synergy
Archon of Sun's Grace
25%inclusion208 decks842 decks
20%synergy
Zur the Enchanter
24%inclusion201 decks842 decks
19%synergy
Overlord of the Floodpits
24%inclusion198 decks842 decks
20%synergy
Sage of Mysteries
23%inclusion191 decks842 decks
22%synergy
Balemurk Leech
22%inclusion187 decks842 decks
22%synergy
Mindwrack Harpy
21%inclusion175 decks842 decks
20%synergy
Gremlin Tamer
20%inclusion167 decks842 decks
19%synergy
Heliod, the Radiant Dawn
19%inclusion157 decks842 decks
15%synergy
Ancient Cellarspawn
18%inclusion155 decks842 decks
16%synergy
Alseid of Life's Bounty
18%inclusion150 decks842 decks
16%synergy
Fear of Surveillance
17%inclusion147 decks842 decks
17%synergy
Nightmare Shepherd
17%inclusion147 decks842 decks
15%synergy
Zur, Eternal Schemer
17%inclusion142 decks842 decks
14%synergy
Spirited Companion
16%inclusion138 decks842 decks
15%synergy
Auramancer
16%inclusion135 decks842 decks
13%synergy
Solemn Simulacrum
15%inclusion130 decks842 decks
3%synergy
Enduring Curiosity
14%inclusion119 decks842 decks
6%synergy
Nashi, Searcher in the Dark
13%inclusion112 decks842 decks
13%synergy
Starnheim Courser
13%inclusion108 decks842 decks
9%synergy
Appendage Amalgam
12%inclusion98 decks842 decks
11%synergy
Fear of the Dark
12%inclusion97 decks842 decks
11%synergy
Creeping Peeper
11%inclusion96 decks842 decks
11%synergy
Millikin
11%inclusion94 decks842 decks
11%synergy
Arvinox, the Mind Flail
11%inclusion92 decks842 decks
9%synergy
Ghostly Keybearer
10%inclusion84 decks842 decks
10%synergy
Optimistic Scavenger
10%inclusion83 decks842 decks
10%synergy
Metamorphosis Fanatic
10%inclusion81 decks842 decks
5%synergy
Fear of Lost Teeth
9.0%inclusion76 decks842 decks
9%synergy
Fear of Failed Tests
8.8%inclusion74 decks842 decks
8%synergy
Burnished Hart
8.7%inclusion73 decks842 decks
6%synergy
Fear of Isolation
8.3%inclusion70 decks842 decks
8%synergy
Phenomenon Investigators
8.0%inclusion67 decks842 decks
7%synergy
Overlord of the Mistmoors
7.8%inclusion66 decks842 decks
6%synergy
Stitcher's Supplier
7.8%inclusion66 decks842 decks
7%synergy
Eiganjo Dynastorian
7.7%inclusion14 decks181 decks
6%synergy
Fear of Immobility
7.7%inclusion65 decks842 decks
8%synergy
Dream Eater
7.0%inclusion59 decks842 decks
6%synergy
Stenn, Paranoid Partisan
6.5%inclusion55 decks842 decks
5%synergy
Verge Rangers
6.4%inclusion54 decks842 decks
5%synergy
Instants
Thirst for Meaning
37%inclusion308 decks842 decks
35%synergy
Otherworldly Gaze
28%inclusion239 decks842 decks
26%synergy
Arcane Denial
26%inclusion220 decks842 decks
6%synergy
Counterspell
24%inclusion200 decks842 decks
-18%synergy
Path to Exile
23%inclusion196 decks842 decks
-19%synergy
Negate
21%inclusion178 decks842 decks
5%synergy
Void Rend
19%inclusion164 decks842 decks
-15%synergy
Frantic Search
18%inclusion150 decks842 decks
-1%synergy
Utter End
16%inclusion137 decks842 decks
10%synergy
Inkshield
15%inclusion128 decks842 decks
5%synergy
Brainstorm
14%inclusion117 decks842 decks
-3%synergy
Return to Dust
11%inclusion89 decks842 decks
7%synergy
Fact or Fiction
9.4%inclusion79 decks842 decks
6%synergy
Telling Time
8.0%inclusion67 decks842 decks
6%synergy
An Offer You Can't Refuse
7.8%inclusion66 decks842 decks
-20%synergy
Don't Make a Sound
7.7%inclusion65 decks841 decks
7%synergy
Get Out
7.7%inclusion65 decks842 decks
7%synergy
Dovin's Veto
6.8%inclusion57 decks842 decks
-20%synergy
Dark Ritual
6.1%inclusion51 decks842 decks
-14%synergy
Glimmerburst
5.9%inclusion50 decks841 decks
6%synergy
Murder
5.7%inclusion48 decks842 decks
4%synergy
Generous Gift
5.6%inclusion47 decks842 decks
-8%synergy
Unwanted Remake
5.1%inclusion43 decks842 decks
5%synergy
Sorceries
Sevinne's Reclamation
29%inclusion242 decks842 decks
20%synergy
Time Wipe
27%inclusion228 decks842 decks
21%synergy
Extinguish All Hope
26%inclusion222 decks842 decks
25%synergy
Dance of the Manse
23%inclusion193 decks842 decks
20%synergy
Singularity Rupture
21%inclusion98 decks477 decks
18%synergy
Ponder
12%inclusion100 decks842 decks
3%synergy
Read the Bones
11%inclusion95 decks842 decks
7%synergy
Terminus
11%inclusion95 decks842 decks
7%synergy
Resurgent Belief
11%inclusion91 decks842 decks
9%synergy
Space-Time Anomaly
8.1%inclusion38 decks467 decks
7%synergy
Diabolic Vision
8.1%inclusion68 decks842 decks
6%synergy
Portent
7.8%inclusion66 decks842 decks
5%synergy
Aminatou's Augury
7.5%inclusion63 decks842 decks
6%synergy
Windfall
6.8%inclusion57 decks842 decks
-6%synergy
Final Vengeance
6.8%inclusion57 decks842 decks
7%synergy
Austere Command
6.3%inclusion53 decks842 decks
-2%synergy
Open the Vaults
6.3%inclusion53 decks842 decks
5%synergy
Glimpse the Unthinkable
6.3%inclusion53 decks842 decks
6%synergy
Demonic Counsel
6.1%inclusion51 decks842 decks
5%synergy
Buried Alive
5.7%inclusion48 decks842 decks
1%synergy
Entreat the Angels
5.6%inclusion47 decks842 decks
4%synergy
Supreme Verdict
5.5%inclusion46 decks842 decks
-9%synergy
Brilliant Restoration
5.5%inclusion46 decks842 decks
4%synergy
Damn
5.1%inclusion43 decks842 decks
-15%synergy
Utility Artifacts
Keys to the House
17%inclusion140 decks842 decks
16%synergy
Cloud Key
11%inclusion90 decks842 decks
7%synergy
Wayfarer's Bauble
10%inclusion84 decks842 decks
3%synergy
Swiftfoot Boots
9.0%inclusion76 decks842 decks
-15%synergy
Perpetual Timepiece
6.2%inclusion52 decks842 decks
6%synergy
Enchantments
Seal of Cleansing
39%inclusion327 decks842 decks
37%synergy
Ethereal Armor
36%inclusion305 decks842 decks
32%synergy
Extravagant Replication
32%inclusion272 decks842 decks
27%synergy
Cramped Vents // Access Maze
32%inclusion271 decks842 decks
30%synergy
Grasp of Fate
31%inclusion260 decks842 decks
25%synergy
All That Glitters
31%inclusion257 decks842 decks
22%synergy
Restricted Office // Lecture Hall
31%inclusion257 decks842 decks
29%synergy
Shark Typhoon
30%inclusion251 decks842 decks
24%synergy
Dress Down
30%inclusion251 decks842 decks
28%synergy
Timely Ward
29%inclusion243 decks842 decks
24%synergy
The Eldest Reborn
28%inclusion234 decks842 decks
25%synergy
Propaganda
27%inclusion230 decks842 decks
-2%synergy
Monologue Tax
27%inclusion230 decks842 decks
21%synergy
Central Elevator // Promising Stairs
27%inclusion226 decks842 decks
26%synergy
Cacophony Unleashed
25%inclusion212 decks842 decks
23%synergy
Ripples of Undeath
25%inclusion209 decks842 decks
22%synergy
The Tale of Tamiyo
23%inclusion191 decks842 decks
22%synergy
Derelict Attic // Widow's Walk
23%inclusion190 decks841 decks
22%synergy
Stillness in Motion
22%inclusion137 decks613 decks
22%synergy
Estrid's Invocation
22%inclusion186 decks842 decks
17%synergy
Meat Locker // Drowned Diner
22%inclusion184 decks841 decks
21%synergy
Imprisoned in the Moon
22%inclusion184 decks842 decks
15%synergy
Dazzling Theater // Prop Room
22%inclusion184 decks842 decks
21%synergy
Polluted Cistern // Dim Oubliette
22%inclusion182 decks842 decks
21%synergy
One with the Multiverse
21%inclusion173 decks842 decks
16%synergy
Seal of Removal
19%inclusion164 decks842 decks
19%synergy
Underwater Tunnel // Slimy Aquarium
19%inclusion156 decks842 decks
18%synergy
Surgical Suite // Hospital Room
18%inclusion155 decks842 decks
18%synergy
Mirror Room // Fractured Realm
18%inclusion155 decks842 decks
16%synergy
Secrets of the Dead
18%inclusion153 decks842 decks
18%synergy
Cast Out
18%inclusion149 decks842 decks
15%synergy
Darksteel Mutation
17%inclusion140 decks842 decks
11%synergy
Unable to Scream
17%inclusion140 decks842 decks
16%synergy
Amphibian Downpour
17%inclusion140 decks842 decks
12%synergy
Ghostly Prison
15%inclusion129 decks842 decks
-8%synergy
Copy Enchantment
15%inclusion124 decks842 decks
10%synergy
Animate Dead
14%inclusion118 decks842 decks
4%synergy
Phyrexian Arena
14%inclusion117 decks842 decks
-0%synergy
Unholy Annex // Ritual Chamber
13%inclusion111 decks842 decks
12%synergy
Funeral Room // Awakening Hall
13%inclusion110 decks842 decks
12%synergy
Sheltered by Ghosts
13%inclusion108 decks842 decks
10%synergy
Spirit-Sister's Call
13%inclusion107 decks842 decks
12%synergy
Seal of Doom
13%inclusion107 decks842 decks
12%synergy
Nowhere to Run
13%inclusion107 decks842 decks
12%synergy
Trapped in the Screen
12%inclusion99 decks842 decks
11%synergy
Grand Entryway // Elegant Rotunda
11%inclusion89 decks842 decks
10%synergy
Soul Snare
10%inclusion84 decks842 decks
10%synergy
Life Insurance
10%inclusion82 decks842 decks
8%synergy
Witness Protection
9.3%inclusion78 decks842 decks
7%synergy
Dollmaker's Shop // Porcelain Gallery
8.6%inclusion72 decks842 decks
7%synergy
Battles
Invasion of Theros
10%inclusion80 decks842 decks
8%synergy
Utility Lands
Bojuka Bog
37%inclusion310 decks842 decks
10%synergy
Hall of Heliod's Generosity
33%inclusion275 decks842 decks
20%synergy
Halimar Depths
19%inclusion162 decks842 decks
15%synergy
Reliquary Tower
7.8%inclusion66 decks842 decks
-26%synergy
Cephalid Coliseum
7.2%inclusion61 decks842 decks
4%synergy
Rogue's Passage
5.6%inclusion47 decks842 decks
-4%synergy
Mana Artifacts
Arcane Signet
80%inclusion675 decks842 decks
-7%synergy
Sol Ring
78%inclusion656 decks842 decks
-12%synergy
Azorius Signet
56%inclusion470 decks842 decks
26%synergy
Orzhov Signet
54%inclusion453 decks842 decks
23%synergy
Dimir Signet
36%inclusion302 decks842 decks
6%synergy
Commander's Sphere
34%inclusion284 decks842 decks
17%synergy
Mind Stone
33%inclusion274 decks842 decks
21%synergy
Talisman of Progress
29%inclusion247 decks842 decks
-15%synergy
Talisman of Dominance
29%inclusion241 decks842 decks
-22%synergy
Talisman of Hierarchy
25%inclusion207 decks842 decks
-20%synergy
Fellwar Stone
19%inclusion158 decks842 decks
-14%synergy
Lands
Island
99%inclusion835 decks842 decks
6%synergy
Swamp
99%inclusion830 decks842 decks
7%synergy
Plains
98%inclusion827 decks842 decks
6%synergy
Command Tower
87%inclusion732 decks842 decks
-6%synergy
Arcane Sanctum
73%inclusion614 decks842 decks
19%synergy
Evolving Wilds
52%inclusion437 decks842 decks
28%synergy
Temple of Enlightenment
51%inclusion426 decks842 decks
35%synergy
Caves of Koilos
50%inclusion423 decks842 decks
14%synergy
Terramorphic Expanse
50%inclusion418 decks842 decks
34%synergy
Temple of Silence
48%inclusion403 decks842 decks
30%synergy
Adarkar Wastes
48%inclusion402 decks842 decks
15%synergy
Temple of Deceit
47%inclusion395 decks842 decks
30%synergy
Exotic Orchard
45%inclusion379 decks842 decks
-14%synergy
Obscura Storefront
41%inclusion346 decks842 decks
32%synergy
Prairie Stream
41%inclusion345 decks842 decks
0%synergy
Underground River
39%inclusion327 decks842 decks
4%synergy
Azorius Chancery
38%inclusion319 decks842 decks
25%synergy
Dimir Aqueduct
38%inclusion318 decks842 decks
25%synergy
Orzhov Basilica
36%inclusion306 decks842 decks
22%synergy
Sunken Hollow
36%inclusion303 decks842 decks
-4%synergy
Tainted Field
35%inclusion291 decks842 decks
28%synergy
Tainted Isle
34%inclusion286 decks842 decks
28%synergy
Glacial Fortress
34%inclusion284 decks842 decks
-10%synergy
Isolated Chapel
32%inclusion268 decks842 decks
-10%synergy
Contaminated Landscape
29%inclusion243 decks842 decks
15%synergy
Ash Barrens
27%inclusion227 decks842 decks
16%synergy
Valgavoth's Lair
21%inclusion178 decks842 decks
19%synergy
Thriving Isle
20%inclusion168 decks842 decks
16%synergy
Thriving Heath
19%inclusion164 decks842 decks
15%synergy
Thriving Moor
19%inclusion162 decks842 decks
15%synergy
Drowned Catacomb
19%inclusion156 decks842 decks
-20%synergy
Darkwater Catacombs
17%inclusion145 decks842 decks
2%synergy
Skycloud Expanse
17%inclusion141 decks842 decks
2%synergy
Choked Estuary
17%inclusion140 decks842 decks
0%synergy
Port Town
16%inclusion138 decks842 decks
-1%synergy
Path of Ancestry
15%inclusion129 decks842 decks
-13%synergy
Shineshadow Snarl
13%inclusion110 decks842 decks
2%synergy
Myriad Landscape
11%inclusion96 decks842 decks
4%synergy
Abandoned Campground
8.3%inclusion70 decks842 decks
8%synergy
Irrigated Farmland
8.2%inclusion69 decks842 decks
1%synergy
Desolate Mire
7.7%inclusion65 decks842 decks
0%synergy
Fetid Heath
7.6%inclusion64 decks842 decks
-6%synergy
Tranquil Cove
7.6%inclusion64 decks842 decks
2%synergy
Glasswing Grace
7.5%inclusion63 decks842 decks
5%synergy
Neglected Manor
7.4%inclusion62 decks842 decks
7%synergy
Murky Sewer
7.0%inclusion59 decks842 decks
7%synergy
Fetid Pools
6.9%inclusion58 decks842 decks
0%synergy
Scoured Barrens
6.9%inclusion58 decks842 decks
1%synergy
Dismal Backwater
6.4%inclusion54 decks842 decks
0%synergy
Forum of Amity
5.5%inclusion10 decks181 decks
5%synergy
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