The Master of Keys (Commander) - Budget Core

The Master of Keys
Rank #307
39decks
As CommanderAs CardAverage DeckDecksView Precon
Bracket
All12345
Budget
Any$$$$
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Top Cards
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
Back to Top
Inquisitive Glimmer
74%inclusion29 decks39 decks
67%synergy
Mesa Enchantress
69%inclusion27 decks39 decks
60%synergy
Scrabbling Skullcrab
59%inclusion23 decks39 decks
58%synergy
Starfield Mystic
59%inclusion23 decks39 decks
52%synergy
Demon of Fate's Design
56%inclusion22 decks39 decks
51%synergy
Cemetery Tampering
51%inclusion20 decks39 decks
51%synergy
Gravebreaker Lamia
51%inclusion20 decks39 decks
50%synergy
Sigil of the Empty Throne
54%inclusion21 decks39 decks
48%synergy
Doomwake Giant
51%inclusion20 decks39 decks
45%synergy
Fear of Sleep Paralysis
49%inclusion19 decks39 decks
43%synergy
Top Cards
Entity Tracker
49%inclusion19 decks39 decks
42%synergy
Defiled Crypt // Cadaver Lab
44%inclusion17 decks39 decks
43%synergy
Seal of Cleansing
41%inclusion16 decks39 decks
40%synergy
Ghostly Dancers
41%inclusion16 decks39 decks
38%synergy
Fear of Impostors
38%inclusion15 decks39 decks
37%synergy
Victor, Valgavoth's Seneschal
38%inclusion15 decks39 decks
36%synergy
Stillness in Motion
37%inclusion7 decks19 decks
36%synergy
Redress Fate
36%inclusion14 decks39 decks
30%synergy
Soaring Lightbringer
36%inclusion14 decks39 decks
31%synergy
Secrets of the Dead
36%inclusion14 decks39 decks
36%synergy
Creatures
Sage of Mysteries
33%inclusion13 decks39 decks
33%synergy
Alseid of Life's Bounty
31%inclusion12 decks39 decks
29%synergy
Ondu Spiritdancer
31%inclusion12 decks39 decks
25%synergy
Skullsnap Nuisance
31%inclusion12 decks39 decks
30%synergy
Fear of Infinity
28%inclusion11 decks39 decks
28%synergy
Moon-Blessed Cleric
28%inclusion11 decks39 decks
23%synergy
Archon of Sun's Grace
26%inclusion10 decks39 decks
21%synergy
Mindwrack Harpy
26%inclusion10 decks39 decks
25%synergy
Aminatou, Veil Piercer
26%inclusion10 decks39 decks
24%synergy
Balemurk Leech
23%inclusion9 decks39 decks
22%synergy
Fear of Surveillance
21%inclusion8 decks39 decks
20%synergy
Silent Hallcreeper
21%inclusion8 decks39 decks
16%synergy
Gremlin Tamer
21%inclusion8 decks39 decks
19%synergy
Heliod, the Radiant Dawn
21%inclusion8 decks39 decks
17%synergy
Grim Guardian
21%inclusion8 decks39 decks
18%synergy
Zur the Enchanter
21%inclusion8 decks39 decks
15%synergy
Fear of Lost Teeth
18%inclusion7 decks39 decks
18%synergy
Millikin
18%inclusion7 decks39 decks
17%synergy
Fear of Isolation
18%inclusion7 decks39 decks
18%synergy
Starnheim Courser
15%inclusion6 decks39 decks
11%synergy
Appendage Amalgam
15%inclusion6 decks39 decks
15%synergy
Archetype of Imagination
15%inclusion6 decks39 decks
11%synergy
Auramancer
15%inclusion6 decks39 decks
12%synergy
Ashiok's Reaper
13%inclusion5 decks39 decks
12%synergy
Ajani's Chosen
13%inclusion5 decks39 decks
12%synergy
Creeping Peeper
13%inclusion5 decks39 decks
13%synergy
Athreos, Shroud-Veiled
13%inclusion5 decks39 decks
8%synergy
Spirited Companion
13%inclusion5 decks39 decks
11%synergy
Solemn Simulacrum
13%inclusion5 decks39 decks
-2%synergy
Nighthowler
13%inclusion5 decks39 decks
13%synergy
Nashi, Searcher in the Dark
10%inclusion4 decks39 decks
10%synergy
Zur, Eternal Schemer
10%inclusion4 decks39 decks
7%synergy
The Mindskinner
10%inclusion4 decks39 decks
9%synergy
Overlord of the Floodpits
10%inclusion4 decks39 decks
7%synergy
Stitcher's Supplier
10%inclusion4 decks39 decks
10%synergy
Fear of the Dark
10%inclusion4 decks39 decks
10%synergy
Sun Titan
10%inclusion4 decks39 decks
2%synergy
Indebted Spirit
10%inclusion4 decks39 decks
10%synergy
Fear of Falling
7.7%inclusion3 decks39 decks
8%synergy
Optimistic Scavenger
7.7%inclusion3 decks39 decks
7%synergy
Patrician Geist
7.7%inclusion3 decks39 decks
8%synergy
Brain Maggot
7.7%inclusion3 decks39 decks
8%synergy
Nightmare Shepherd
7.7%inclusion3 decks39 decks
5%synergy
Callaphe, Beloved of the Sea
7.7%inclusion3 decks39 decks
6%synergy
Deranged Assistant
7.7%inclusion3 decks39 decks
7%synergy
Fear of Immobility
7.7%inclusion3 decks39 decks
8%synergy
Devoted Grafkeeper
7.7%inclusion3 decks39 decks
8%synergy
Fear of Failed Tests
7.7%inclusion3 decks39 decks
7%synergy
Transcendent Envoy
7.7%inclusion3 decks39 decks
6%synergy
Summon: Primal Garuda
6.3%inclusion1 decks16 decks
6%synergy
Instants
Swords to Plowshares
28%inclusion11 decks39 decks
-40%synergy
Path to Exile
26%inclusion10 decks39 decks
-16%synergy
Fact or Fiction
26%inclusion10 decks39 decks
22%synergy
Void Rend
23%inclusion9 decks39 decks
-11%synergy
Negate
23%inclusion9 decks39 decks
7%synergy
Thirst for Meaning
21%inclusion8 decks39 decks
19%synergy
Otherworldly Gaze
21%inclusion8 decks39 decks
18%synergy
Arcane Denial
13%inclusion5 decks39 decks
-7%synergy
Rowan's Grim Search
13%inclusion5 decks39 decks
13%synergy
An Offer You Can't Refuse
10%inclusion4 decks39 decks
-17%synergy
Unwanted Remake
10%inclusion4 decks39 decks
10%synergy
Get Out
10%inclusion4 decks39 decks
10%synergy
Frantic Search
10%inclusion4 decks39 decks
-7%synergy
Refute
8.3%inclusion3 decks36 decks
6%synergy
Forbidden Alchemy
7.7%inclusion3 decks39 decks
7%synergy
Jump Scare
7.7%inclusion3 decks39 decks
8%synergy
Thought Scour
7.7%inclusion3 decks39 decks
7%synergy
Sinister Sabotage
7.7%inclusion3 decks39 decks
7%synergy
Utter End
7.7%inclusion3 decks39 decks
1%synergy
Unravel
7.7%inclusion1 decks13 decks
7%synergy
Counterspell
7.7%inclusion3 decks39 decks
-34%synergy
Dreams of Laguna
6.3%inclusion1 decks16 decks
6%synergy
Riverwalk Technique
5.6%inclusion1 decks18 decks
6%synergy
Argivian Find
5.1%inclusion2 decks39 decks
5%synergy
Drown in the Loch
5.1%inclusion2 decks39 decks
3%synergy
Brainstorm
5.1%inclusion2 decks39 decks
-12%synergy
Defabricate
5.1%inclusion2 decks39 decks
5%synergy
Break the Spell
5.1%inclusion2 decks39 decks
5%synergy
Dihada's Ploy
5.1%inclusion2 decks39 decks
5%synergy
Drown in Dreams
5.1%inclusion2 decks39 decks
5%synergy
Final Payment
5.1%inclusion2 decks39 decks
5%synergy
Fading Hope
5.1%inclusion2 decks39 decks
5%synergy
Aetherize
5.1%inclusion2 decks39 decks
1%synergy
Cancel
5.1%inclusion2 decks39 decks
4%synergy
Murder
5.1%inclusion2 decks39 decks
3%synergy
Live or Die
5.1%inclusion2 decks39 decks
5%synergy
Into the Story
5.1%inclusion2 decks39 decks
3%synergy
Return to Dust
5.1%inclusion2 decks39 decks
2%synergy
Seized from Slumber
5.1%inclusion2 decks39 decks
5%synergy
Despark
5.1%inclusion2 decks39 decks
-11%synergy
Don't Make a Sound
5.1%inclusion2 decks39 decks
5%synergy
Generous Gift
5.1%inclusion2 decks39 decks
-10%synergy
Sorceries
Singularity Rupture
31%inclusion4 decks13 decks
28%synergy
Space-Time Anomaly
31%inclusion4 decks13 decks
29%synergy
Time Wipe
28%inclusion11 decks39 decks
21%synergy
Sevinne's Reclamation
26%inclusion10 decks39 decks
17%synergy
Extinguish All Hope
23%inclusion9 decks39 decks
21%synergy
Resurgent Belief
15%inclusion6 decks39 decks
13%synergy
Dance of the Manse
15%inclusion6 decks39 decks
12%synergy
Open the Vaults
13%inclusion5 decks39 decks
11%synergy
Damn
13%inclusion5 decks39 decks
-8%synergy
Brilliant Restoration
13%inclusion5 decks39 decks
11%synergy
Final Vengeance
13%inclusion5 decks39 decks
13%synergy
Inspiration from Beyond
8.3%inclusion3 decks36 decks
8%synergy
Fascination
7.7%inclusion3 decks39 decks
8%synergy
Read the Bones
7.7%inclusion3 decks39 decks
3%synergy
Commune with Evil
7.7%inclusion3 decks39 decks
8%synergy
Unmarked Grave
7.7%inclusion3 decks39 decks
6%synergy
Cleansing Meditation
7.7%inclusion3 decks39 decks
7%synergy
Austere Command
7.7%inclusion3 decks39 decks
-1%synergy
Night's Whisper
7.7%inclusion3 decks39 decks
5%synergy
Unending Whisper
5.3%inclusion1 decks19 decks
5%synergy
Winternight Stories
5.3%inclusion1 decks19 decks
4%synergy
Cut Your Losses
5.1%inclusion2 decks39 decks
5%synergy
Hour of Revelation
5.1%inclusion2 decks39 decks
5%synergy
Windfall
5.1%inclusion2 decks39 decks
-8%synergy
Deep Analysis
5.1%inclusion2 decks39 decks
4%synergy
Feed the Swarm
5.1%inclusion2 decks39 decks
2%synergy
Painful Truths
5.1%inclusion2 decks39 decks
2%synergy
Breakthrough
5.1%inclusion2 decks39 decks
5%synergy
Legions to Ashes
5.1%inclusion2 decks39 decks
5%synergy
Compulsive Research
5.1%inclusion2 decks39 decks
5%synergy
Merciless Eviction
5.1%inclusion2 decks39 decks
3%synergy
Buried Alive
5.1%inclusion2 decks39 decks
1%synergy
Notion Rain
5.1%inclusion2 decks39 decks
5%synergy
Utility Artifacts
Wayfarer's Bauble
18%inclusion7 decks39 decks
10%synergy
Perpetual Timepiece
18%inclusion7 decks39 decks
18%synergy
Cloud Key
7.7%inclusion3 decks39 decks
4%synergy
The Water Crystal
6.7%inclusion1 decks15 decks
5%synergy
Keys to the House
5.1%inclusion2 decks39 decks
5%synergy
Bident of Thassa
5.1%inclusion2 decks39 decks
-4%synergy
The Everflowing Well
5.1%inclusion2 decks39 decks
5%synergy
Key to the City
5.1%inclusion2 decks39 decks
4%synergy
Enchantments
Grasp of Fate
33%inclusion13 decks39 decks
27%synergy
Seal of Removal
33%inclusion13 decks39 decks
33%synergy
Imprisoned in the Moon
33%inclusion13 decks39 decks
27%synergy
The Eldest Reborn
33%inclusion13 decks39 decks
31%synergy
Ethereal Armor
33%inclusion13 decks39 decks
29%synergy
Cacophony Unleashed
33%inclusion13 decks39 decks
32%synergy
Seal of Doom
33%inclusion13 decks39 decks
33%synergy
Estrid's Invocation
33%inclusion13 decks39 decks
29%synergy
Unable to Scream
31%inclusion12 decks39 decks
30%synergy
Bottomless Pool // Locker Room
31%inclusion12 decks39 decks
29%synergy
All That Glitters
28%inclusion11 decks39 decks
19%synergy
Mirrormade
28%inclusion11 decks39 decks
18%synergy
The Tale of Tamiyo
28%inclusion11 decks39 decks
28%synergy
Dress Down
28%inclusion11 decks39 decks
26%synergy
Secret Arcade // Dusty Parlor
26%inclusion10 decks39 decks
21%synergy
Restricted Office // Lecture Hall
26%inclusion10 decks39 decks
24%synergy
Sphere of Safety
23%inclusion9 decks39 decks
14%synergy
Shark Typhoon
23%inclusion9 decks39 decks
17%synergy
Derelict Attic // Widow's Walk
23%inclusion9 decks39 decks
23%synergy
Extravagant Replication
21%inclusion8 decks39 decks
15%synergy
Ballad of the Black Flag
21%inclusion8 decks39 decks
20%synergy
Meat Locker // Drowned Diner
21%inclusion8 decks39 decks
20%synergy
Cramped Vents // Access Maze
18%inclusion7 decks39 decks
15%synergy
Cast Out
18%inclusion7 decks39 decks
15%synergy
Ripples of Undeath
18%inclusion7 decks39 decks
15%synergy
Timely Ward
18%inclusion7 decks39 decks
13%synergy
Propaganda
18%inclusion7 decks39 decks
-9%synergy
King Narfi's Betrayal
15%inclusion6 decks39 decks
15%synergy
The Restoration of Eiganjo
15%inclusion6 decks39 decks
15%synergy
Copy Enchantment
15%inclusion6 decks39 decks
11%synergy
One with the Multiverse
13%inclusion5 decks39 decks
8%synergy
Spirit-Sister's Call
13%inclusion5 decks39 decks
12%synergy
Amphibian Downpour
13%inclusion5 decks39 decks
8%synergy
Shardmage's Rescue
13%inclusion5 decks39 decks
12%synergy
Elspeth Conquers Death
13%inclusion5 decks39 decks
12%synergy
Soul Snare
13%inclusion5 decks39 decks
12%synergy
Central Elevator // Promising Stairs
13%inclusion5 decks39 decks
12%synergy
Monologue Tax
13%inclusion5 decks39 decks
7%synergy
The Bath Song
13%inclusion5 decks39 decks
12%synergy
Polluted Cistern // Dim Oubliette
13%inclusion5 decks39 decks
12%synergy
Vessel of Paramnesia
13%inclusion5 decks39 decks
13%synergy
Trapped in the Screen
13%inclusion5 decks39 decks
12%synergy
Curse of Silence
13%inclusion5 decks39 decks
13%synergy
Glasswing Grace
13%inclusion5 decks39 decks
10%synergy
Hopeless Nightmare
13%inclusion5 decks39 decks
13%synergy
Surgical Suite // Hospital Room
13%inclusion5 decks39 decks
12%synergy
Ghostly Prison
13%inclusion5 decks39 decks
-9%synergy
Phyrexian Arena
13%inclusion5 decks39 decks
-1%synergy
Tempest Technique
11%inclusion2 decks19 decks
10%synergy
Darksteel Mutation
10%inclusion4 decks39 decks
4%synergy
Battles
Invasion of Theros
13%inclusion5 decks39 decks
11%synergy
Utility Lands
Bojuka Bog
31%inclusion12 decks39 decks
4%synergy
Hall of Heliod's Generosity
21%inclusion8 decks39 decks
7%synergy
Halimar Depths
10%inclusion4 decks39 decks
6%synergy
Nephalia Drownyard
10%inclusion4 decks39 decks
10%synergy
Rogue's Passage
5.1%inclusion2 decks39 decks
-4%synergy
Secluded Steppe
5.1%inclusion2 decks39 decks
3%synergy
Dakmor Salvage
5.1%inclusion2 decks39 decks
5%synergy
Barren Moor
5.1%inclusion2 decks39 decks
3%synergy
Drownyard Temple
5.1%inclusion2 decks39 decks
5%synergy
Cephalid Coliseum
5.1%inclusion2 decks39 decks
2%synergy
Mana Artifacts
Arcane Signet
69%inclusion27 decks39 decks
-19%synergy
Sol Ring
67%inclusion26 decks39 decks
-23%synergy
Azorius Signet
56%inclusion22 decks39 decks
25%synergy
Orzhov Signet
56%inclusion22 decks39 decks
23%synergy
Dimir Signet
49%inclusion19 decks39 decks
17%synergy
Talisman of Progress
36%inclusion14 decks39 decks
-7%synergy
Talisman of Dominance
31%inclusion12 decks39 decks
-19%synergy
Mind Stone
31%inclusion12 decks39 decks
18%synergy
Commander's Sphere
28%inclusion11 decks39 decks
9%synergy
Talisman of Hierarchy
26%inclusion10 decks39 decks
-18%synergy
Fellwar Stone
21%inclusion8 decks39 decks
-13%synergy
Obelisk of Esper
10%inclusion4 decks39 decks
9%synergy
Lands
Island
100%inclusion39 decks39 decks
7%synergy
Plains
97%inclusion38 decks39 decks
6%synergy
Swamp
97%inclusion38 decks39 decks
6%synergy
Command Tower
85%inclusion33 decks39 decks
-8%synergy
Arcane Sanctum
64%inclusion25 decks39 decks
10%synergy
Terramorphic Expanse
62%inclusion24 decks39 decks
45%synergy
Evolving Wilds
51%inclusion20 decks39 decks
26%synergy
Exotic Orchard
51%inclusion20 decks39 decks
-7%synergy
Contaminated Landscape
49%inclusion19 decks39 decks
35%synergy
Prairie Stream
49%inclusion19 decks39 decks
8%synergy
Temple of Enlightenment
44%inclusion17 decks39 decks
27%synergy
Obscura Storefront
44%inclusion17 decks39 decks
33%synergy
Dimir Aqueduct
41%inclusion16 decks39 decks
27%synergy
Temple of Silence
38%inclusion15 decks39 decks
19%synergy
Caves of Koilos
36%inclusion14 decks39 decks
0%synergy
Glacial Fortress
36%inclusion14 decks39 decks
-5%synergy
Temple of Deceit
36%inclusion14 decks39 decks
18%synergy
Orzhov Basilica
36%inclusion14 decks39 decks
20%synergy
Tainted Isle
36%inclusion14 decks39 decks
30%synergy
Azorius Chancery
36%inclusion14 decks39 decks
22%synergy
Tainted Field
36%inclusion14 decks39 decks
29%synergy
Sunken Hollow
33%inclusion13 decks39 decks
-6%synergy
Isolated Chapel
31%inclusion12 decks39 decks
-9%synergy
Adarkar Wastes
28%inclusion11 decks39 decks
-3%synergy
Shineshadow Snarl
26%inclusion10 decks39 decks
15%synergy
Choked Estuary
26%inclusion10 decks39 decks
9%synergy
Port Town
21%inclusion8 decks39 decks
4%synergy
Myriad Landscape
21%inclusion8 decks39 decks
12%synergy
Irrigated Farmland
18%inclusion7 decks39 decks
11%synergy
Path of Ancestry
18%inclusion7 decks39 decks
-10%synergy
Darkwater Catacombs
18%inclusion7 decks39 decks
3%synergy
Ash Barrens
18%inclusion7 decks39 decks
7%synergy
Drowned Catacomb
18%inclusion7 decks39 decks
-18%synergy
Fetid Pools
15%inclusion6 decks39 decks
9%synergy
Tranquil Cove
15%inclusion6 decks39 decks
9%synergy
Valgavoth's Lair
15%inclusion6 decks39 decks
13%synergy
Skycloud Expanse
15%inclusion6 decks39 decks
0%synergy
Underground River
15%inclusion6 decks39 decks
-18%synergy
Escape Tunnel
13%inclusion5 decks39 decks
12%synergy
Thriving Isle
13%inclusion5 decks39 decks
8%synergy
Thriving Moor
13%inclusion5 decks39 decks
8%synergy
Glasswing Grace
13%inclusion5 decks39 decks
10%synergy
Esper Panorama
10%inclusion4 decks39 decks
7%synergy
Scoured Barrens
10%inclusion4 decks39 decks
4%synergy
Sunlit Marsh
10%inclusion4 decks39 decks
6%synergy
Thriving Heath
10%inclusion4 decks39 decks
6%synergy
Contaminated Aquifer
7.7%inclusion3 decks39 decks
4%synergy
Floodfarm Verge
7.7%inclusion3 decks39 decks
-3%synergy
Submerged Boneyard
7.7%inclusion3 decks39 decks
7%synergy
Demolition Field
7.7%inclusion3 decks39 decks
4%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test