The Master of Keys (Commander) - Optimized

The Master of Keys
Rank #303
339decks
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
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
The Mind Stone
1.5%inclusion1 decks67 decks
1%synergy
High Synergy Cards
Animate Dead
77%inclusion260 decks339 decks
67%synergy
Ripples of Undeath
69%inclusion235 decks339 decks
67%synergy
Necromancy
68%inclusion229 decks339 decks
63%synergy
Dress Down
63%inclusion212 decks339 decks
60%synergy
Entomb
59%inclusion201 decks339 decks
53%synergy
Abdel Adrian, Gorion's Ward
53%inclusion181 decks339 decks
52%synergy
Inquisitive Glimmer
59%inclusion199 decks339 decks
52%synergy
Mystic Remora
72%inclusion243 decks339 decks
51%synergy
Sevinne's Reclamation
55%inclusion186 decks339 decks
46%synergy
Entity Tracker
51%inclusion173 decks339 decks
45%synergy
Top Cards
Swords to Plowshares
63%inclusion215 decks339 decks
-4%synergy
Mesa Enchantress
53%inclusion179 decks339 decks
44%synergy
Mirrormade
50%inclusion171 decks339 decks
41%synergy
Starfield Mystic
47%inclusion159 decks339 decks
40%synergy
Gravebreaker Lamia
46%inclusion156 decks339 decks
45%synergy
Dance of the Dead
46%inclusion155 decks339 decks
44%synergy
Dark Ritual
45%inclusion154 decks339 decks
25%synergy
Amphibian Downpour
45%inclusion151 decks339 decks
40%synergy
Blind Obedience
44%inclusion149 decks339 decks
32%synergy
Scrabbling Skullcrab
43%inclusion147 decks339 decks
42%synergy
Game Changers
Smothering Tithe
65%inclusion219 decks339 decks
34%synergy
Rhystic Study
64%inclusion216 decks339 decks
33%synergy
Enlightened Tutor
52%inclusion175 decks339 decks
33%synergy
Demonic Tutor
44%inclusion150 decks339 decks
24%synergy
Vampiric Tutor
38%inclusion130 decks339 decks
22%synergy
Thassa's Oracle
35%inclusion118 decks339 decks
26%synergy
Cyclonic Rift
31%inclusion106 decks339 decks
9%synergy
Fierce Guardianship
30%inclusion103 decks339 decks
10%synergy
Necropotence
30%inclusion101 decks339 decks
23%synergy
Ancient Tomb
29%inclusion99 decks339 decks
17%synergy
Creatures
Demon of Fate's Design
42%inclusion143 decks339 decks
37%synergy
Overlord of the Balemurk
40%inclusion134 decks339 decks
38%synergy
Esper Sentinel
37%inclusion125 decks339 decks
10%synergy
Ondu Spiritdancer
36%inclusion121 decks339 decks
30%synergy
Doomwake Giant
36%inclusion121 decks339 decks
30%synergy
Overlord of the Floodpits
35%inclusion117 decks339 decks
31%synergy
Fear of Sleep Paralysis
34%inclusion116 decks339 decks
29%synergy
Fear of Impostors
31%inclusion106 decks339 decks
30%synergy
Lotho, Corrupt Shirriff
31%inclusion105 decks339 decks
14%synergy
Grand Abolisher
30%inclusion103 decks339 decks
16%synergy
Zur, Eternal Schemer
30%inclusion103 decks339 decks
27%synergy
Victor, Valgavoth's Seneschal
28%inclusion94 decks339 decks
26%synergy
Hullbreaker Horror
23%inclusion79 decks339 decks
17%synergy
Zur the Enchanter
23%inclusion78 decks339 decks
18%synergy
Grim Guardian
22%inclusion76 decks339 decks
20%synergy
Orcish Bowmasters
22%inclusion75 decks339 decks
12%synergy
Heliod, the Radiant Dawn
21%inclusion70 decks339 decks
17%synergy
Valley Floodcaller
20%inclusion69 decks339 decks
17%synergy
Displacer Kitten
19%inclusion65 decks339 decks
12%synergy
Moon-Blessed Cleric
19%inclusion64 decks339 decks
14%synergy
Ledger Shredder
19%inclusion64 decks339 decks
10%synergy
Soaring Lightbringer
18%inclusion62 decks339 decks
14%synergy
Ghostly Dancers
18%inclusion62 decks339 decks
16%synergy
Silent Hallcreeper
18%inclusion61 decks339 decks
13%synergy
Enduring Curiosity
18%inclusion60 decks339 decks
10%synergy
Lurrus of the Dream-Den
17%inclusion58 decks339 decks
16%synergy
Aminatou, Veil Piercer
15%inclusion52 decks339 decks
14%synergy
Hedron Crab
15%inclusion51 decks339 decks
14%synergy
Opposition Agent
13%inclusion45 decks339 decks
5%synergy
Ranger-Captain of Eos
13%inclusion45 decks339 decks
7%synergy
Balemurk Leech
13%inclusion43 decks339 decks
12%synergy
Archon of Sun's Grace
12%inclusion41 decks339 decks
8%synergy
Wan Shi Tong, Librarian
12%inclusion20 decks167 decks
7%synergy
Voice of Victory
12%inclusion34 decks293 decks
3%synergy
Gremlin Tamer
12%inclusion39 decks339 decks
11%synergy
Psychic Frog
12%inclusion39 decks339 decks
4%synergy
Archetype of Imagination
11%inclusion38 decks339 decks
7%synergy
Faerie Mastermind
11%inclusion36 decks339 decks
1%synergy
Talion, the Kindly Lord
11%inclusion36 decks339 decks
3%synergy
Drannith Magistrate
10%inclusion35 decks339 decks
3%synergy
Mindwrack Harpy
10%inclusion35 decks339 decks
10%synergy
Mockingbird
10%inclusion34 decks339 decks
6%synergy
Leonin Relic-Warder
9.4%inclusion32 decks339 decks
9%synergy
Skullsnap Nuisance
9.4%inclusion32 decks339 decks
9%synergy
Overlord of the Mistmoors
8.8%inclusion30 decks339 decks
7%synergy
Ancient Cellarspawn
8.8%inclusion30 decks339 decks
6%synergy
Archivist of Oghma
8.3%inclusion28 decks339 decks
2%synergy
Athreos, Shroud-Veiled
8.3%inclusion28 decks339 decks
4%synergy
Sage of Mysteries
7.7%inclusion26 decks339 decks
7%synergy
Stitcher's Supplier
7.4%inclusion25 decks339 decks
7%synergy
Instants
An Offer You Can't Refuse
42%inclusion141 decks339 decks
14%synergy
Path to Exile
34%inclusion116 decks339 decks
-8%synergy
Swan Song
32%inclusion110 decks339 decks
12%synergy
Counterspell
30%inclusion103 decks339 decks
-12%synergy
Arcane Denial
28%inclusion95 decks339 decks
8%synergy
Silence
27%inclusion91 decks339 decks
17%synergy
Mana Drain
27%inclusion90 decks339 decks
9%synergy
Force of Will
26%inclusion89 decks339 decks
14%synergy
Mystical Tutor
26%inclusion87 decks339 decks
15%synergy
Force of Negation
23%inclusion77 decks339 decks
11%synergy
Flusterstorm
21%inclusion71 decks339 decks
13%synergy
Demonic Consultation
21%inclusion71 decks339 decks
13%synergy
Dovin's Veto
21%inclusion70 decks339 decks
-6%synergy
Gifts Ungiven
20%inclusion69 decks339 decks
18%synergy
Sink into Stupor
18%inclusion62 decks339 decks
5%synergy
Intuition
18%inclusion60 decks339 decks
16%synergy
Tainted Pact
17%inclusion56 decks339 decks
10%synergy
Cabal Ritual
16%inclusion55 decks339 decks
13%synergy
Borne Upon a Wind
15%inclusion52 decks339 decks
11%synergy
Brainstorm
14%inclusion48 decks339 decks
-3%synergy
Teferi's Protection
13%inclusion44 decks339 decks
-3%synergy
Pact of Negation
13%inclusion44 decks339 decks
6%synergy
Frantic Search
13%inclusion43 decks339 decks
-6%synergy
Mindbreak Trap
13%inclusion43 decks339 decks
6%synergy
Void Rend
12%inclusion41 decks339 decks
-23%synergy
Thirst for Meaning
12%inclusion39 decks339 decks
10%synergy
Inkshield
12%inclusion39 decks339 decks
2%synergy
Into the Flood Maw
11%inclusion37 decks339 decks
7%synergy
Mental Misstep
11%inclusion36 decks339 decks
4%synergy
Otherworldly Gaze
11%inclusion36 decks339 decks
8%synergy
Anguished Unmaking
8.6%inclusion29 decks339 decks
-17%synergy
Deadly Rollick
8.0%inclusion27 decks339 decks
-8%synergy
Negate
8.0%inclusion27 decks339 decks
-8%synergy
Fell the Profane
7.7%inclusion26 decks339 decks
-1%synergy
Chain of Vapor
7.4%inclusion25 decks339 decks
4%synergy
Muddle the Mixture
6.5%inclusion22 decks339 decks
3%synergy
Utter End
6.5%inclusion22 decks339 decks
0%synergy
Culling the Weak
5.9%inclusion20 decks339 decks
4%synergy
Ad Nauseam
5.9%inclusion20 decks339 decks
4%synergy
Brain Freeze
5.0%inclusion17 decks339 decks
4%synergy
Delay
5.0%inclusion17 decks339 decks
3%synergy
Waterlogged Teachings
5.0%inclusion17 decks339 decks
0%synergy
Sorceries
Reanimate
31%inclusion104 decks339 decks
14%synergy
Windfall
27%inclusion93 decks339 decks
14%synergy
Redress Fate
27%inclusion90 decks339 decks
21%synergy
Toxic Deluge
22%inclusion74 decks339 decks
2%synergy
Glimpse the Unthinkable
13%inclusion43 decks339 decks
12%synergy
Lively Dirge
12%inclusion41 decks339 decks
11%synergy
Damn
12%inclusion41 decks339 decks
-8%synergy
Demonic Counsel
12%inclusion41 decks339 decks
11%synergy
Replenish
12%inclusion40 decks339 decks
10%synergy
Imperial Seal
11%inclusion37 decks339 decks
4%synergy
Idyllic Tutor
11%inclusion37 decks339 decks
7%synergy
Extinguish All Hope
11%inclusion37 decks339 decks
9%synergy
Singularity Rupture
10%inclusion22 decks215 decks
8%synergy
Supreme Verdict
10%inclusion34 decks339 decks
-5%synergy
Unmarked Grave
10%inclusion34 decks339 decks
9%synergy
Dance of the Manse
9.4%inclusion32 decks339 decks
6%synergy
Buried Alive
9.1%inclusion31 decks339 decks
5%synergy
Resurgent Belief
8.0%inclusion27 decks339 decks
6%synergy
Beseech the Mirror
8.0%inclusion27 decks339 decks
4%synergy
Farewell
7.4%inclusion25 decks339 decks
-5%synergy
Ponder
7.1%inclusion24 decks339 decks
-2%synergy
Time Wipe
6.8%inclusion23 decks339 decks
0%synergy
Terminus
5.0%inclusion17 decks339 decks
1%synergy
Utility Artifacts
The One Ring
24%inclusion80 decks339 decks
11%synergy
Mesmeric Orb
22%inclusion75 decks339 decks
21%synergy
Wishclaw Talisman
20%inclusion67 decks339 decks
12%synergy
Lightning Greaves
8.6%inclusion29 decks339 decks
-14%synergy
Cloud Key
7.1%inclusion24 decks339 decks
4%synergy
Sensei's Divining Top
5.9%inclusion20 decks339 decks
-4%synergy
Enchantments
Sphere of Safety
40%inclusion136 decks339 decks
31%synergy
Secret Arcade // Dusty Parlor
38%inclusion129 decks339 decks
34%synergy
Propaganda
36%inclusion123 decks339 decks
7%synergy
Ghostly Prison
35%inclusion118 decks339 decks
12%synergy
Seal of Cleansing
32%inclusion107 decks339 decks
30%synergy
Grasp of Fate
31%inclusion104 decks339 decks
25%synergy
The Meathook Massacre
29%inclusion100 decks339 decks
26%synergy
Tinybones Joins Up
28%inclusion95 decks339 decks
27%synergy
Starfield of Nyx
26%inclusion87 decks339 decks
22%synergy
Estrid's Invocation
25%inclusion85 decks339 decks
20%synergy
Sigil of the Empty Throne
24%inclusion81 decks339 decks
18%synergy
Cemetery Tampering
24%inclusion80 decks339 decks
23%synergy
Monologue Tax
23%inclusion79 decks339 decks
17%synergy
Touch the Spirit Realm
21%inclusion72 decks339 decks
19%synergy
Greater Auramancy
19%inclusion66 decks339 decks
15%synergy
Darksteel Mutation
19%inclusion65 decks339 decks
13%synergy
Black Market Connections
18%inclusion62 decks339 decks
3%synergy
Cacophony Unleashed
18%inclusion61 decks339 decks
16%synergy
Seal of Removal
18%inclusion61 decks339 decks
17%synergy
Static Prison
17%inclusion57 decks339 decks
16%synergy
Leyline of Anticipation
16%inclusion55 decks339 decks
12%synergy
Out of the Tombs
16%inclusion53 decks339 decks
15%synergy
Shark Typhoon
15%inclusion52 decks339 decks
10%synergy
Extravagant Replication
15%inclusion51 decks339 decks
10%synergy
Copy Enchantment
15%inclusion50 decks339 decks
10%synergy
Phyrexian Arena
14%inclusion48 decks339 decks
0%synergy
Trouble in Pairs
14%inclusion46 decks339 decks
8%synergy
Defiled Crypt // Cadaver Lab
13%inclusion45 decks339 decks
13%synergy
Timely Ward
13%inclusion43 decks339 decks
8%synergy
Stillness in Motion
12%inclusion35 decks286 decks
12%synergy
Polluted Cistern // Dim Oubliette
12%inclusion41 decks339 decks
12%synergy
Sheltered by Ghosts
12%inclusion41 decks339 decks
9%synergy
Authority of the Consuls
12%inclusion39 decks339 decks
-2%synergy
Mirror Room // Fractured Realm
11%inclusion38 decks339 decks
9%synergy
The Tale of Tamiyo
11%inclusion37 decks339 decks
11%synergy
Enchanted Evening
11%inclusion37 decks339 decks
9%synergy
Land Tax
11%inclusion37 decks339 decks
5%synergy
Restricted Office // Lecture Hall
11%inclusion36 decks339 decks
9%synergy
Aura of Silence
11%inclusion36 decks339 decks
7%synergy
One with the Multiverse
10%inclusion35 decks339 decks
6%synergy
Bottomless Pool // Locker Room
10%inclusion35 decks339 decks
9%synergy
Hallowed Haunting
10%inclusion34 decks339 decks
8%synergy
The Eldest Reborn
10%inclusion33 decks339 decks
7%synergy
Oubliette
10%inclusion33 decks339 decks
8%synergy
Imprisoned in the Moon
9.4%inclusion32 decks339 decks
3%synergy
Ethereal Armor
9.4%inclusion32 decks339 decks
5%synergy
Central Elevator // Promising Stairs
9.1%inclusion31 decks339 decks
9%synergy
Nowhere to Run
8.8%inclusion30 decks339 decks
8%synergy
All That Glitters
8.6%inclusion29 decks339 decks
0%synergy
Cramped Vents // Access Maze
8.3%inclusion28 decks339 decks
6%synergy
Planeswalkers
Teferi, Time Raveler
19%inclusion64 decks339 decks
11%synergy
Utility Lands
Hall of Heliod's Generosity
55%inclusion185 decks339 decks
42%synergy
Otawara, Soaring City
37%inclusion125 decks339 decks
18%synergy
Bojuka Bog
32%inclusion107 decks339 decks
5%synergy
Takenuma, Abandoned Mire
22%inclusion74 decks339 decks
15%synergy
Serra's Sanctum
18%inclusion62 decks339 decks
17%synergy
Urza's Saga
18%inclusion62 decks339 decks
7%synergy
Urborg, Tomb of Yawgmoth
15%inclusion50 decks339 decks
2%synergy
Cephalid Coliseum
14%inclusion48 decks339 decks
11%synergy
Emergence Zone
13%inclusion44 decks339 decks
11%synergy
Reliquary Tower
12%inclusion42 decks339 decks
-22%synergy
Halimar Depths
9.1%inclusion31 decks339 decks
5%synergy
Minamo, School at Water's Edge
6.2%inclusion21 decks339 decks
2%synergy
Eiganjo, Seat of the Empire
6.2%inclusion21 decks339 decks
1%synergy
Cabal Coffers
5.0%inclusion17 decks339 decks
2%synergy
Mana Artifacts
Sol Ring
94%inclusion320 decks339 decks
5%synergy
Arcane Signet
91%inclusion310 decks339 decks
4%synergy
Talisman of Dominance
55%inclusion188 decks339 decks
5%synergy
Talisman of Progress
52%inclusion175 decks339 decks
7%synergy
Talisman of Hierarchy
51%inclusion174 decks339 decks
7%synergy
Fellwar Stone
42%inclusion144 decks339 decks
9%synergy
Azorius Signet
35%inclusion118 decks339 decks
5%synergy
Orzhov Signet
31%inclusion105 decks339 decks
-1%synergy
Lotus Petal
25%inclusion85 decks339 decks
15%synergy
Mana Vault
24%inclusion80 decks339 decks
15%synergy
Dimir Signet
23%inclusion79 decks339 decks
-7%synergy
Chrome Mox
20%inclusion68 decks339 decks
11%synergy
Mox Amber
12%inclusion40 decks339 decks
6%synergy
Mind Stone
12%inclusion39 decks339 decks
-0%synergy
Mox Diamond
12%inclusion39 decks339 decks
5%synergy
Mox Opal
11%inclusion37 decks339 decks
3%synergy
Lion's Eye Diamond
8.8%inclusion30 decks339 decks
7%synergy
Commander's Sphere
7.7%inclusion26 decks339 decks
-10%synergy
Thought Vessel
6.5%inclusion22 decks339 decks
-19%synergy
Basalt Monolith
5.0%inclusion17 decks339 decks
3%synergy
Lands
Command Tower
95%inclusion323 decks339 decks
3%synergy
Island
89%inclusion303 decks339 decks
-4%synergy
Swamp
89%inclusion302 decks339 decks
-3%synergy
Plains
88%inclusion297 decks339 decks
-4%synergy
Hallowed Fountain
70%inclusion236 decks339 decks
19%synergy
Watery Grave
69%inclusion234 decks339 decks
18%synergy
Godless Shrine
68%inclusion230 decks339 decks
16%synergy
Flooded Strand
62%inclusion210 decks339 decks
23%synergy
Polluted Delta
61%inclusion206 decks339 decks
23%synergy
Marsh Flats
57%inclusion193 decks339 decks
21%synergy
Exotic Orchard
53%inclusion181 decks339 decks
-6%synergy
Caves of Koilos
50%inclusion168 decks339 decks
14%synergy
Raffine's Tower
49%inclusion166 decks339 decks
8%synergy
Underground River
48%inclusion164 decks339 decks
13%synergy
Adarkar Wastes
48%inclusion164 decks339 decks
16%synergy
Sea of Clouds
45%inclusion154 decks339 decks
11%synergy
Morphic Pool
42%inclusion144 decks339 decks
9%synergy
Vault of Champions
42%inclusion143 decks339 decks
10%synergy
Undercity Sewers
42%inclusion141 decks339 decks
27%synergy
Arcane Sanctum
41%inclusion139 decks339 decks
-13%synergy
Glacial Fortress
37%inclusion126 decks339 decks
-6%synergy
Meticulous Archive
35%inclusion117 decks339 decks
21%synergy
Shadowy Backstreet
34%inclusion116 decks339 decks
22%synergy
Isolated Chapel
32%inclusion107 decks339 decks
-10%synergy
City of Brass
30%inclusion101 decks339 decks
15%synergy
Tundra
26%inclusion88 decks339 decks
10%synergy
Drowned Catacomb
26%inclusion88 decks339 decks
-12%synergy
Underground Sea
25%inclusion85 decks339 decks
9%synergy
Scrubland
25%inclusion85 decks339 decks
9%synergy
Mana Confluence
24%inclusion82 decks339 decks
10%synergy
Floodfarm Verge
24%inclusion80 decks339 decks
13%synergy
Valgavoth's Lair
22%inclusion75 decks339 decks
20%synergy
Prairie Stream
22%inclusion74 decks339 decks
-19%synergy
Bloodstained Mire
22%inclusion73 decks339 decks
11%synergy
Gloomlake Verge
22%inclusion73 decks339 decks
11%synergy
Sunken Hollow
21%inclusion70 decks339 decks
-19%synergy
Tainted Isle
20%inclusion67 decks339 decks
13%synergy
Azorius Chancery
19%inclusion66 decks339 decks
6%synergy
Misty Rainforest
19%inclusion64 decks339 decks
8%synergy
Tainted Field
19%inclusion63 decks339 decks
12%synergy
Windswept Heath
18%inclusion62 decks339 decks
9%synergy
Sink into Stupor
18%inclusion62 decks339 decks
5%synergy
Dimir Aqueduct
18%inclusion61 decks339 decks
5%synergy
Temple of Silence
18%inclusion61 decks339 decks
-0%synergy
Verdant Catacombs
18%inclusion60 decks339 decks
8%synergy
Scalding Tarn
18%inclusion60 decks339 decks
7%synergy
Temple of Enlightenment
17%inclusion59 decks339 decks
2%synergy
Deserted Beach
17%inclusion59 decks339 decks
-3%synergy
Orzhov Basilica
17%inclusion59 decks339 decks
3%synergy
Temple of Deceit
17%inclusion57 decks339 decks
-0%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