The Master of Keys (Commander) - Core Control

The Master of Keys
Rank #300
14decks
As CommanderAs CardAverage DeckDecksView Precon
Bracket
All12345
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
Back to Top
Entity Tracker
86%inclusion12 decks14 decks
80%synergy
Inquisitive Glimmer
86%inclusion12 decks14 decks
78%synergy
Fear of Sleep Paralysis
71%inclusion10 decks14 decks
66%synergy
Fear of Impostors
64%inclusion9 decks14 decks
63%synergy
Seal of Cleansing
64%inclusion9 decks14 decks
63%synergy
Mesa Enchantress
71%inclusion10 decks14 decks
63%synergy
Doomwake Giant
64%inclusion9 decks14 decks
58%synergy
Stillness in Motion
58%inclusion7 decks12 decks
58%synergy
Starfield Mystic
64%inclusion9 decks14 decks
58%synergy
Scrabbling Skullcrab
57%inclusion8 decks14 decks
56%synergy
Top Cards
Propaganda
64%inclusion9 decks14 decks
36%synergy
Grasp of Fate
57%inclusion8 decks14 decks
51%synergy
Ripples of Undeath
57%inclusion8 decks14 decks
54%synergy
Gravebreaker Lamia
57%inclusion8 decks14 decks
56%synergy
Amphibian Downpour
57%inclusion8 decks14 decks
53%synergy
Sevinne's Reclamation
50%inclusion7 decks14 decks
41%synergy
Imprisoned in the Moon
50%inclusion7 decks14 decks
43%synergy
Sigil of the Empty Throne
50%inclusion7 decks14 decks
44%synergy
Sage of Mysteries
50%inclusion7 decks14 decks
50%synergy
Victor, Valgavoth's Seneschal
50%inclusion7 decks14 decks
48%synergy
Game Changers
Thassa's Oracle
7.1%inclusion1 decks14 decks
-2%synergy
Creatures
Zur, Eternal Schemer
50%inclusion7 decks14 decks
47%synergy
Demon of Fate's Design
43%inclusion6 decks14 decks
37%synergy
Ondu Spiritdancer
43%inclusion6 decks14 decks
37%synergy
Zur the Enchanter
43%inclusion6 decks14 decks
38%synergy
Mindwrack Harpy
43%inclusion6 decks14 decks
43%synergy
Overlord of the Floodpits
36%inclusion5 decks14 decks
32%synergy
Grim Guardian
36%inclusion5 decks14 decks
33%synergy
Heliod, the Radiant Dawn
36%inclusion5 decks14 decks
32%synergy
Overlord of the Balemurk
29%inclusion4 decks14 decks
27%synergy
Aminatou, Veil Piercer
29%inclusion4 decks14 decks
27%synergy
Alseid of Life's Bounty
29%inclusion4 decks14 decks
27%synergy
Summon: Yojimbo
25%inclusion3 decks12 decks
24%synergy
Archon of Sun's Grace
21%inclusion3 decks14 decks
17%synergy
Moon-Blessed Cleric
21%inclusion3 decks14 decks
17%synergy
Athreos, Shroud-Veiled
21%inclusion3 decks14 decks
17%synergy
Spirited Companion
21%inclusion3 decks14 decks
20%synergy
Nashi, Searcher in the Dark
21%inclusion3 decks14 decks
21%synergy
Ancient Cellarspawn
21%inclusion3 decks14 decks
18%synergy
Starnheim Courser
14%inclusion2 decks14 decks
11%synergy
Witch Enchanter
14%inclusion2 decks14 decks
7%synergy
Stenn, Paranoid Partisan
14%inclusion2 decks14 decks
13%synergy
Agent of Erebos
14%inclusion2 decks14 decks
14%synergy
Soaring Lightbringer
14%inclusion2 decks14 decks
10%synergy
Silent Hallcreeper
14%inclusion2 decks14 decks
10%synergy
Hedron Crab
14%inclusion2 decks14 decks
14%synergy
Skullsnap Nuisance
14%inclusion2 decks14 decks
14%synergy
Enduring Curiosity
14%inclusion2 decks14 decks
6%synergy
Deranged Assistant
14%inclusion2 decks14 decks
14%synergy
Balemurk Leech
14%inclusion2 decks14 decks
14%synergy
Nightmare Shepherd
14%inclusion2 decks14 decks
12%synergy
Ghostly Dancers
14%inclusion2 decks14 decks
12%synergy
Millikin
14%inclusion2 decks14 decks
14%synergy
Voice of Victory
8.3%inclusion1 decks12 decks
0%synergy
Summon: Primal Odin
8.3%inclusion1 decks12 decks
4%synergy
Symbiote Spider-Man
8.3%inclusion1 decks12 decks
8%synergy
Wraith, Vicious Vigilante
8.3%inclusion1 decks12 decks
8%synergy
Sygg, Wanderwine Wisdom
8.3%inclusion1 decks12 decks
7%synergy
Emptiness
8.3%inclusion1 decks12 decks
8%synergy
Summon: Shiva
7.7%inclusion1 decks13 decks
7%synergy
Phenax, God of Deception
7.1%inclusion1 decks14 decks
7%synergy
Heliod's Pilgrim
7.1%inclusion1 decks14 decks
6%synergy
Erebos, God of the Dead
7.1%inclusion1 decks14 decks
6%synergy
High Fae Trickster
7.1%inclusion1 decks14 decks
3%synergy
Kor Spiritdancer
7.1%inclusion1 decks14 decks
6%synergy
Dorothea, Vengeful Victim
7.1%inclusion1 decks14 decks
7%synergy
The Mindskinner
7.1%inclusion1 decks14 decks
6%synergy
Fear of Failed Tests
7.1%inclusion1 decks14 decks
7%synergy
Ertai, the Corrupted
7.1%inclusion1 decks14 decks
7%synergy
Fear of Lost Teeth
7.1%inclusion1 decks14 decks
7%synergy
Archon of Falling Stars
7.1%inclusion1 decks14 decks
7%synergy
Instants
Frantic Search
21%inclusion3 decks14 decks
3%synergy
Negate
21%inclusion3 decks14 decks
5%synergy
Thirst for Meaning
21%inclusion3 decks14 decks
20%synergy
Void Rend
21%inclusion3 decks14 decks
-13%synergy
Arcane Denial
21%inclusion3 decks14 decks
1%synergy
Swords to Plowshares
21%inclusion3 decks14 decks
-46%synergy
Otherworldly Gaze
21%inclusion3 decks14 decks
19%synergy
Path to Exile
21%inclusion3 decks14 decks
-21%synergy
Fell the Profane
14%inclusion2 decks14 decks
5%synergy
Dovin's Veto
14%inclusion2 decks14 decks
-12%synergy
An Offer You Can't Refuse
14%inclusion2 decks14 decks
-13%synergy
Dawn's Truce
14%inclusion2 decks14 decks
10%synergy
Darkblast
14%inclusion2 decks14 decks
14%synergy
Sink into Stupor
14%inclusion2 decks14 decks
1%synergy
Counterspell
14%inclusion2 decks14 decks
-28%synergy
Sejiri Shelter
14%inclusion2 decks14 decks
13%synergy
Inkshield
14%inclusion2 decks14 decks
5%synergy
Muddle the Mixture
7.1%inclusion1 decks14 decks
3%synergy
Drown in the Loch
7.1%inclusion1 decks14 decks
5%synergy
Return to Dust
7.1%inclusion1 decks14 decks
4%synergy
Brainstorm
7.1%inclusion1 decks14 decks
-10%synergy
Render Silent
7.1%inclusion1 decks14 decks
3%synergy
Dark Ritual
7.1%inclusion1 decks14 decks
-13%synergy
Curfew
7.1%inclusion1 decks14 decks
7%synergy
Read the Runes
7.1%inclusion1 decks14 decks
7%synergy
Curate
7.1%inclusion1 decks14 decks
7%synergy
Obscura Charm
7.1%inclusion1 decks14 decks
5%synergy
Disallow
7.1%inclusion1 decks14 decks
3%synergy
Swan Song
7.1%inclusion1 decks14 decks
-13%synergy
Get Out
7.1%inclusion1 decks14 decks
7%synergy
Faithful Mending
7.1%inclusion1 decks14 decks
3%synergy
Utter End
7.1%inclusion1 decks14 decks
1%synergy
Borne Upon a Wind
7.1%inclusion1 decks14 decks
2%synergy
Abjure
7.1%inclusion1 decks14 decks
7%synergy
Don't Make a Sound
7.1%inclusion1 decks14 decks
7%synergy
Sorceries
Extinguish All Hope
43%inclusion6 decks14 decks
41%synergy
Singularity Rupture
42%inclusion5 decks12 decks
39%synergy
Redress Fate
29%inclusion4 decks14 decks
23%synergy
Time Wipe
21%inclusion3 decks14 decks
15%synergy
Dance of the Manse
21%inclusion3 decks14 decks
18%synergy
Space-Time Anomaly
17%inclusion2 decks12 decks
15%synergy
Open the Vaults
14%inclusion2 decks14 decks
13%synergy
Ponder
7.1%inclusion1 decks14 decks
-2%synergy
Asinine Antics
7.1%inclusion1 decks14 decks
6%synergy
Lively Dirge
7.1%inclusion1 decks14 decks
6%synergy
Unmarked Grave
7.1%inclusion1 decks14 decks
6%synergy
Ondu Inversion
7.1%inclusion1 decks14 decks
6%synergy
Unearth
7.1%inclusion1 decks14 decks
5%synergy
Replenish
7.1%inclusion1 decks14 decks
5%synergy
Glimpse the Unthinkable
7.1%inclusion1 decks14 decks
7%synergy
Curse of the Swine
7.1%inclusion1 decks14 decks
7%synergy
Read the Bones
7.1%inclusion1 decks14 decks
3%synergy
Blasphemous Edict
7.1%inclusion1 decks14 decks
5%synergy
Starfall Invocation
7.1%inclusion1 decks14 decks
5%synergy
Buried Alive
7.1%inclusion1 decks14 decks
3%synergy
Rite of Oblivion
7.1%inclusion1 decks14 decks
6%synergy
Vanquish the Horde
7.1%inclusion1 decks14 decks
4%synergy
Preordain
7.1%inclusion1 decks14 decks
2%synergy
Cleansing Nova
7.1%inclusion1 decks14 decks
3%synergy
Damn
7.1%inclusion1 decks14 decks
-13%synergy
Retether
7.1%inclusion1 decks14 decks
6%synergy
Feast of Succession
7.1%inclusion1 decks14 decks
7%synergy
Step Through
7.1%inclusion1 decks14 decks
6%synergy
Breakthrough
7.1%inclusion1 decks14 decks
7%synergy
Final Vengeance
7.1%inclusion1 decks14 decks
7%synergy
Portent
7.1%inclusion1 decks14 decks
4%synergy
Notion Rain
7.1%inclusion1 decks14 decks
7%synergy
Utility Artifacts
Wayfarer's Bauble
14%inclusion2 decks14 decks
7%synergy
Perpetual Timepiece
7.1%inclusion1 decks14 decks
7%synergy
Cloud Key
7.1%inclusion1 decks14 decks
4%synergy
Helm of the Gods
7.1%inclusion1 decks14 decks
6%synergy
Whip of Erebos
7.1%inclusion1 decks14 decks
5%synergy
Confession Dial
7.1%inclusion1 decks14 decks
7%synergy
Mask of Riddles
7.1%inclusion1 decks14 decks
5%synergy
Jet Medallion
7.1%inclusion1 decks14 decks
6%synergy
Claws of Gix
7.1%inclusion1 decks14 decks
7%synergy
Swiftfoot Boots
7.1%inclusion1 decks14 decks
-17%synergy
Altar of Dementia
7.1%inclusion1 decks14 decks
6%synergy
Bident of Thassa
7.1%inclusion1 decks14 decks
-2%synergy
Helm of Awakening
7.1%inclusion1 decks14 decks
7%synergy
Enchantments
Sphere of Safety
50%inclusion7 decks14 decks
41%synergy
Cacophony Unleashed
43%inclusion6 decks14 decks
41%synergy
Mirrormade
43%inclusion6 decks14 decks
33%synergy
Estrid's Invocation
43%inclusion6 decks14 decks
38%synergy
Starfield of Nyx
43%inclusion6 decks14 decks
39%synergy
Dress Down
43%inclusion6 decks14 decks
41%synergy
Seal of Removal
43%inclusion6 decks14 decks
42%synergy
Mystic Remora
36%inclusion5 decks14 decks
15%synergy
The Tale of Tamiyo
36%inclusion5 decks14 decks
35%synergy
Static Prison
36%inclusion5 decks14 decks
35%synergy
Animate Dead
36%inclusion5 decks14 decks
26%synergy
Ghostly Prison
36%inclusion5 decks14 decks
13%synergy
Unable to Scream
29%inclusion4 decks14 decks
28%synergy
Utter Insignificance
29%inclusion4 decks14 decks
28%synergy
Soul Snare
29%inclusion4 decks14 decks
28%synergy
Seal of Doom
29%inclusion4 decks14 decks
28%synergy
Cemetery Tampering
29%inclusion4 decks14 decks
28%synergy
All That Glitters
29%inclusion4 decks14 decks
20%synergy
Monologue Tax
29%inclusion4 decks14 decks
22%synergy
Kaya's Ghostform
29%inclusion4 decks14 decks
26%synergy
Ethereal Armor
29%inclusion4 decks14 decks
24%synergy
Hallowed Haunting
29%inclusion4 decks14 decks
26%synergy
Search for Azcanta
29%inclusion4 decks14 decks
28%synergy
Noggle the Mind
29%inclusion2 decks7 decks
28%synergy
Teval's Judgment
25%inclusion3 decks12 decks
24%synergy
Lost in the Maze
21%inclusion3 decks14 decks
21%synergy
Glasswing Grace
21%inclusion3 decks14 decks
19%synergy
Chronic Flooding
21%inclusion3 decks14 decks
21%synergy
Blind Obedience
21%inclusion3 decks14 decks
9%synergy
Necromancy
21%inclusion3 decks14 decks
17%synergy
Timely Ward
21%inclusion3 decks14 decks
16%synergy
Secrets of the Dead
21%inclusion3 decks14 decks
21%synergy
Bottomless Pool // Locker Room
21%inclusion3 decks14 decks
20%synergy
Painful Quandary
21%inclusion3 decks14 decks
19%synergy
Eaten by Piranhas
21%inclusion3 decks14 decks
20%synergy
Secret Arcade // Dusty Parlor
21%inclusion3 decks14 decks
17%synergy
Solitary Confinement
21%inclusion3 decks14 decks
19%synergy
Phyrexian Arena
21%inclusion3 decks14 decks
7%synergy
Darksteel Mutation
14%inclusion2 decks14 decks
8%synergy
Detention Sphere
14%inclusion2 decks14 decks
13%synergy
Smuggler's Share
14%inclusion2 decks14 decks
12%synergy
Treacherous Blessing
14%inclusion2 decks14 decks
14%synergy
Cramped Vents // Access Maze
14%inclusion2 decks14 decks
12%synergy
Court of Cunning
14%inclusion2 decks14 decks
13%synergy
The Cruelty of Gix
14%inclusion2 decks14 decks
14%synergy
Frozen Aether
14%inclusion2 decks14 decks
14%synergy
King Narfi's Betrayal
14%inclusion2 decks14 decks
14%synergy
Extravagant Replication
14%inclusion2 decks14 decks
9%synergy
Shardmage's Rescue
14%inclusion2 decks14 decks
14%synergy
Flooded Woodlands
14%inclusion2 decks14 decks
14%synergy
Battles
Invasion of Theros
21%inclusion3 decks14 decks
20%synergy
Invasion of Segovia
7.1%inclusion1 decks14 decks
7%synergy
Utility Lands
Hall of Heliod's Generosity
50%inclusion7 decks14 decks
37%synergy
Bojuka Bog
43%inclusion6 decks14 decks
16%synergy
Cephalid Coliseum
14%inclusion2 decks14 decks
11%synergy
Rogue's Passage
14%inclusion2 decks14 decks
4%synergy
Mistrise Village
8.3%inclusion1 decks12 decks
5%synergy
Ishgard, the Holy See
8.3%inclusion1 decks12 decks
5%synergy
Arcane Lighthouse
7.1%inclusion1 decks14 decks
6%synergy
Buried Ruin
7.1%inclusion1 decks14 decks
4%synergy
Halimar Depths
7.1%inclusion1 decks14 decks
2%synergy
War Room
7.1%inclusion1 decks14 decks
7%synergy
Emergence Zone
7.1%inclusion1 decks14 decks
5%synergy
Geier Reach Sanitarium
7.1%inclusion1 decks14 decks
3%synergy
Sea Gate Wreckage
7.1%inclusion1 decks14 decks
7%synergy
Hidden Cataract
7.1%inclusion1 decks14 decks
7%synergy
Throne of the High City
7.1%inclusion1 decks14 decks
7%synergy
Takenuma, Abandoned Mire
7.1%inclusion1 decks14 decks
1%synergy
Great Hall of the Citadel
7.1%inclusion1 decks14 decks
7%synergy
Drownyard Temple
7.1%inclusion1 decks14 decks
7%synergy
Temple of the False God
7.1%inclusion1 decks14 decks
-1%synergy
Mana Artifacts
Arcane Signet
86%inclusion12 decks14 decks
-2%synergy
Sol Ring
71%inclusion10 decks14 decks
-18%synergy
Talisman of Progress
64%inclusion9 decks14 decks
20%synergy
Talisman of Hierarchy
64%inclusion9 decks14 decks
20%synergy
Talisman of Dominance
50%inclusion7 decks14 decks
0%synergy
Azorius Signet
50%inclusion7 decks14 decks
20%synergy
Dimir Signet
36%inclusion5 decks14 decks
5%synergy
Fellwar Stone
29%inclusion4 decks14 decks
-5%synergy
Mind Stone
14%inclusion2 decks14 decks
2%synergy
Orzhov Signet
14%inclusion2 decks14 decks
-18%synergy
Everflowing Chalice
7.1%inclusion1 decks14 decks
5%synergy
Commander's Sphere
7.1%inclusion1 decks14 decks
-11%synergy
Coveted Jewel
7.1%inclusion1 decks14 decks
6%synergy
Thought Vessel
7.1%inclusion1 decks14 decks
-18%synergy
Midnight Clock
7.1%inclusion1 decks14 decks
3%synergy
Lands
Swamp
100%inclusion14 decks14 decks
8%synergy
Island
100%inclusion14 decks14 decks
7%synergy
Plains
100%inclusion14 decks14 decks
8%synergy
Command Tower
93%inclusion13 decks14 decks
0%synergy
Caves of Koilos
93%inclusion13 decks14 decks
57%synergy
Adarkar Wastes
93%inclusion13 decks14 decks
61%synergy
Arcane Sanctum
86%inclusion12 decks14 decks
31%synergy
Underground River
79%inclusion11 decks14 decks
44%synergy
Glacial Fortress
64%inclusion9 decks14 decks
22%synergy
Exotic Orchard
64%inclusion9 decks14 decks
6%synergy
Contaminated Landscape
64%inclusion9 decks14 decks
50%synergy
Isolated Chapel
57%inclusion8 decks14 decks
16%synergy
Sunken Hollow
57%inclusion8 decks14 decks
17%synergy
Prairie Stream
50%inclusion7 decks14 decks
9%synergy
Valgavoth's Lair
50%inclusion7 decks14 decks
47%synergy
Drowned Catacomb
50%inclusion7 decks14 decks
12%synergy
Temple of Enlightenment
50%inclusion7 decks14 decks
34%synergy
Evolving Wilds
50%inclusion7 decks14 decks
25%synergy
Obscura Storefront
50%inclusion7 decks14 decks
40%synergy
Temple of Silence
50%inclusion7 decks14 decks
31%synergy
Godless Shrine
43%inclusion6 decks14 decks
-8%synergy
Hallowed Fountain
43%inclusion6 decks14 decks
-8%synergy
Watery Grave
43%inclusion6 decks14 decks
-8%synergy
Azorius Chancery
36%inclusion5 decks14 decks
22%synergy
Terramorphic Expanse
36%inclusion5 decks14 decks
20%synergy
Temple of Deceit
36%inclusion5 decks14 decks
18%synergy
Port Town
36%inclusion5 decks14 decks
19%synergy
Choked Estuary
36%inclusion5 decks14 decks
19%synergy
Tainted Isle
29%inclusion4 decks14 decks
22%synergy
Dimir Aqueduct
29%inclusion4 decks14 decks
15%synergy
Tainted Field
29%inclusion4 decks14 decks
22%synergy
Ash Barrens
29%inclusion4 decks14 decks
18%synergy
Glasswing Grace
21%inclusion3 decks14 decks
19%synergy
Darkwater Catacombs
21%inclusion3 decks14 decks
7%synergy
Sea of Clouds
21%inclusion3 decks14 decks
-14%synergy
Raffine's Tower
21%inclusion3 decks14 decks
-19%synergy
Skycloud Expanse
21%inclusion3 decks14 decks
6%synergy
Orzhov Basilica
21%inclusion3 decks14 decks
6%synergy
Path of Ancestry
21%inclusion3 decks14 decks
-6%synergy
Shineshadow Snarl
21%inclusion3 decks14 decks
11%synergy
Witch Enchanter
14%inclusion2 decks14 decks
7%synergy
Fell the Profane
14%inclusion2 decks14 decks
5%synergy
Fetid Pools
14%inclusion2 decks14 decks
8%synergy
Irrigated Farmland
14%inclusion2 decks14 decks
7%synergy
Fetid Heath
14%inclusion2 decks14 decks
1%synergy
Sink into Stupor
14%inclusion2 decks14 decks
1%synergy
Morphic Pool
14%inclusion2 decks14 decks
-19%synergy
Sejiri Shelter
14%inclusion2 decks14 decks
13%synergy
Vault of Champions
14%inclusion2 decks14 decks
-18%synergy
Deserted Beach
14%inclusion2 decks14 decks
-7%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