The Master of Keys (Commander) - Upgraded

The Master of Keys
Rank #302
506decks
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
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
Back to Top
Eiganjo Dynastorian
6.1%inclusion2 decks33 decks
6%synergy
Coercive Impetus
3.0%inclusion1 decks33 decks
3%synergy
Changing Loyalty
3.0%inclusion1 decks33 decks
3%synergy
Turbulent Moor
3.0%inclusion1 decks33 decks
2%synergy
Exhibition Tidecaller
2.9%inclusion1 decks34 decks
3%synergy
High Synergy Cards
Inquisitive Glimmer
78%inclusion396 decks506 decks
71%synergy
Ripples of Undeath
73%inclusion367 decks506 decks
70%synergy
Entity Tracker
69%inclusion351 decks506 decks
63%synergy
Starfield Mystic
66%inclusion335 decks506 decks
60%synergy
Animate Dead
67%inclusion341 decks506 decks
58%synergy
Gravebreaker Lamia
59%inclusion297 decks506 decks
58%synergy
Mesa Enchantress
66%inclusion335 decks506 decks
57%synergy
Demon of Fate's Design
60%inclusion304 decks506 decks
55%synergy
Scrabbling Skullcrab
54%inclusion272 decks506 decks
53%synergy
Hall of Heliod's Generosity
65%inclusion329 decks506 decks
52%synergy
Top Cards
Fear of Sleep Paralysis
56%inclusion281 decks506 decks
50%synergy
Doomwake Giant
55%inclusion278 decks506 decks
49%synergy
Mystic Remora
54%inclusion271 decks506 decks
33%synergy
Dress Down
53%inclusion268 decks506 decks
51%synergy
Sphere of Safety
53%inclusion266 decks506 decks
43%synergy
Necromancy
52%inclusion265 decks506 decks
48%synergy
Swords to Plowshares
52%inclusion263 decks506 decks
-16%synergy
Overlord of the Floodpits
51%inclusion257 decks506 decks
47%synergy
Mirrormade
49%inclusion250 decks506 decks
40%synergy
Secret Arcade // Dusty Parlor
49%inclusion247 decks506 decks
44%synergy
Game Changers
Smothering Tithe
38%inclusion190 decks506 decks
7%synergy
Rhystic Study
28%inclusion143 decks506 decks
-3%synergy
Enlightened Tutor
12%inclusion61 decks506 decks
-7%synergy
Gifts Ungiven
9.1%inclusion46 decks506 decks
7%synergy
Necropotence
6.9%inclusion35 decks506 decks
0%synergy
Serra's Sanctum
6.3%inclusion32 decks506 decks
5%synergy
Cyclonic Rift
5.9%inclusion30 decks506 decks
-17%synergy
Farewell
5.7%inclusion29 decks506 decks
-7%synergy
Demonic Tutor
5.7%inclusion29 decks506 decks
-15%synergy
Teferi's Protection
5.3%inclusion27 decks506 decks
-11%synergy
Creatures
Overlord of the Balemurk
47%inclusion237 decks506 decks
45%synergy
Ondu Spiritdancer
46%inclusion231 decks506 decks
39%synergy
Fear of Impostors
44%inclusion224 decks506 decks
43%synergy
Victor, Valgavoth's Seneschal
44%inclusion224 decks506 decks
42%synergy
Zur, Eternal Schemer
44%inclusion221 decks506 decks
40%synergy
Silent Hallcreeper
34%inclusion172 decks506 decks
29%synergy
Zur the Enchanter
33%inclusion168 decks506 decks
28%synergy
Ghostly Dancers
31%inclusion156 decks506 decks
28%synergy
Enduring Curiosity
26%inclusion133 decks506 decks
18%synergy
Heliod, the Radiant Dawn
25%inclusion129 decks506 decks
22%synergy
Grim Guardian
25%inclusion124 decks506 decks
22%synergy
Soaring Lightbringer
24%inclusion119 decks506 decks
19%synergy
Moon-Blessed Cleric
24%inclusion119 decks506 decks
19%synergy
Archon of Sun's Grace
22%inclusion109 decks506 decks
17%synergy
Abdel Adrian, Gorion's Ward
20%inclusion103 decks506 decks
19%synergy
Sage of Mysteries
18%inclusion93 decks506 decks
18%synergy
Aminatou, Veil Piercer
17%inclusion86 decks506 decks
16%synergy
Overlord of the Mistmoors
16%inclusion83 decks506 decks
14%synergy
Mindwrack Harpy
15%inclusion74 decks506 decks
14%synergy
Lotho, Corrupt Shirriff
13%inclusion67 decks506 decks
-4%synergy
Archetype of Imagination
13%inclusion67 decks506 decks
9%synergy
Athreos, Shroud-Veiled
13%inclusion67 decks506 decks
9%synergy
Alseid of Life's Bounty
13%inclusion66 decks506 decks
12%synergy
Balemurk Leech
13%inclusion65 decks506 decks
12%synergy
Hedron Crab
13%inclusion64 decks506 decks
12%synergy
Ancient Cellarspawn
12%inclusion63 decks506 decks
9%synergy
Hullbreaker Horror
12%inclusion59 decks506 decks
6%synergy
Esper Sentinel
11%inclusion56 decks506 decks
-16%synergy
Witch Enchanter
11%inclusion55 decks506 decks
4%synergy
Ledger Shredder
11%inclusion55 decks506 decks
2%synergy
Skullsnap Nuisance
10%inclusion49 decks506 decks
9%synergy
Nashi, Searcher in the Dark
10%inclusion49 decks506 decks
9%synergy
Gremlin Tamer
9.5%inclusion48 decks506 decks
8%synergy
Sun Titan
9.5%inclusion48 decks506 decks
1%synergy
Lurrus of the Dream-Den
8.7%inclusion44 decks506 decks
7%synergy
Spirited Companion
8.7%inclusion44 decks506 decks
7%synergy
Summon: Yojimbo
7.5%inclusion29 decks389 decks
6%synergy
Solemn Simulacrum
7.3%inclusion37 decks506 decks
-7%synergy
Auramancer
7.1%inclusion36 decks506 decks
4%synergy
Grand Abolisher
6.9%inclusion35 decks506 decks
-8%synergy
Emet-Selch of the Third Seat
6.9%inclusion27 decks392 decks
-2%synergy
Nightmare Shepherd
6.7%inclusion34 decks506 decks
4%synergy
Stenn, Paranoid Partisan
6.5%inclusion33 decks506 decks
5%synergy
Valley Floodcaller
6.5%inclusion33 decks506 decks
3%synergy
Valgavoth, Terror Eater
6.1%inclusion31 decks506 decks
3%synergy
Summon: Bahamut
6.1%inclusion24 decks392 decks
5%synergy
Starnheim Courser
5.9%inclusion30 decks506 decks
2%synergy
Fear of Infinity
5.9%inclusion30 decks506 decks
5%synergy
Stitcher's Supplier
5.7%inclusion29 decks506 decks
5%synergy
Laboratory Maniac
5.7%inclusion29 decks506 decks
2%synergy
Instants
Counterspell
35%inclusion178 decks506 decks
-7%synergy
Arcane Denial
31%inclusion159 decks506 decks
11%synergy
Entomb
29%inclusion147 decks506 decks
22%synergy
An Offer You Can't Refuse
29%inclusion145 decks506 decks
1%synergy
Path to Exile
26%inclusion131 decks506 decks
-16%synergy
Dark Ritual
26%inclusion130 decks506 decks
6%synergy
Void Rend
19%inclusion95 decks506 decks
-16%synergy
Inkshield
17%inclusion88 decks506 decks
8%synergy
Swan Song
17%inclusion85 decks506 decks
-3%synergy
Dovin's Veto
17%inclusion84 decks506 decks
-9%synergy
Frantic Search
16%inclusion80 decks506 decks
-2%synergy
Thirst for Meaning
16%inclusion79 decks506 decks
14%synergy
Sink into Stupor
14%inclusion72 decks506 decks
1%synergy
Negate
13%inclusion68 decks506 decks
-3%synergy
Otherworldly Gaze
12%inclusion61 decks506 decks
10%synergy
Fell the Profane
11%inclusion58 decks506 decks
3%synergy
Mana Drain
11%inclusion57 decks506 decks
-6%synergy
Brainstorm
11%inclusion55 decks506 decks
-6%synergy
Anguished Unmaking
9.1%inclusion46 decks506 decks
-16%synergy
Fact or Fiction
6.5%inclusion33 decks506 decks
3%synergy
Utter End
6.3%inclusion32 decks506 decks
0%synergy
Faithful Mending
5.7%inclusion29 decks506 decks
2%synergy
Generous Gift
5.5%inclusion28 decks506 decks
-9%synergy
Waterlogged Teachings
5.5%inclusion28 decks506 decks
1%synergy
Return to Dust
5.3%inclusion27 decks506 decks
2%synergy
Cabal Ritual
5.3%inclusion27 decks506 decks
2%synergy
Sorceries
Sevinne's Reclamation
46%inclusion233 decks506 decks
37%synergy
Redress Fate
34%inclusion173 decks506 decks
29%synergy
Windfall
25%inclusion124 decks506 decks
11%synergy
Reanimate
22%inclusion113 decks506 decks
6%synergy
Singularity Rupture
22%inclusion77 decks345 decks
20%synergy
Extinguish All Hope
19%inclusion96 decks506 decks
17%synergy
Dance of the Manse
18%inclusion89 decks506 decks
14%synergy
Glimpse the Unthinkable
14%inclusion73 decks506 decks
14%synergy
Time Wipe
14%inclusion71 decks506 decks
7%synergy
Damn
14%inclusion71 decks506 decks
-6%synergy
Idyllic Tutor
14%inclusion70 decks506 decks
10%synergy
Toxic Deluge
14%inclusion69 decks506 decks
-6%synergy
Resurgent Belief
12%inclusion59 decks506 decks
10%synergy
Supreme Verdict
11%inclusion58 decks506 decks
-3%synergy
Demonic Counsel
10%inclusion51 decks506 decks
9%synergy
Space-Time Anomaly
10%inclusion33 decks340 decks
8%synergy
Buried Alive
9.5%inclusion48 decks506 decks
5%synergy
Replenish
9.3%inclusion47 decks506 decks
8%synergy
Unmarked Grave
7.9%inclusion40 decks506 decks
7%synergy
Ponder
7.5%inclusion38 decks506 decks
-2%synergy
Lively Dirge
6.5%inclusion33 decks506 decks
5%synergy
Austere Command
5.7%inclusion29 decks506 decks
-3%synergy
Utility Artifacts
Mesmeric Orb
18%inclusion92 decks506 decks
17%synergy
Cloud Key
13%inclusion67 decks506 decks
10%synergy
Lightning Greaves
7.9%inclusion40 decks506 decks
-15%synergy
Wayfarer's Bauble
7.1%inclusion36 decks506 decks
0%synergy
Swiftfoot Boots
5.9%inclusion30 decks506 decks
-18%synergy
Enchantments
Amphibian Downpour
47%inclusion240 decks506 decks
43%synergy
Propaganda
44%inclusion223 decks506 decks
16%synergy
Grasp of Fate
43%inclusion220 decks506 decks
37%synergy
Seal of Cleansing
42%inclusion214 decks506 decks
41%synergy
Sigil of the Empty Throne
40%inclusion203 decks506 decks
34%synergy
Cemetery Tampering
39%inclusion195 decks506 decks
38%synergy
Ghostly Prison
37%inclusion189 decks506 decks
15%synergy
Estrid's Invocation
37%inclusion185 decks506 decks
32%synergy
Blind Obedience
35%inclusion175 decks506 decks
23%synergy
Starfield of Nyx
34%inclusion170 decks506 decks
30%synergy
Monologue Tax
32%inclusion162 decks506 decks
26%synergy
Cacophony Unleashed
31%inclusion159 decks506 decks
30%synergy
Dance of the Dead
30%inclusion150 decks506 decks
27%synergy
The Tale of Tamiyo
26%inclusion133 decks506 decks
26%synergy
Darksteel Mutation
24%inclusion123 decks506 decks
18%synergy
Seal of Removal
24%inclusion121 decks506 decks
23%synergy
Stillness in Motion
24%inclusion106 decks445 decks
23%synergy
The Meathook Massacre
23%inclusion118 decks506 decks
20%synergy
Phyrexian Arena
22%inclusion113 decks506 decks
8%synergy
Imprisoned in the Moon
22%inclusion112 decks506 decks
15%synergy
Timely Ward
22%inclusion110 decks506 decks
17%synergy
Sheltered by Ghosts
22%inclusion109 decks506 decks
19%synergy
Extravagant Replication
21%inclusion105 decks506 decks
16%synergy
Defiled Crypt // Cadaver Lab
21%inclusion105 decks506 decks
20%synergy
Black Market Connections
21%inclusion104 decks506 decks
6%synergy
Shark Typhoon
20%inclusion103 decks506 decks
15%synergy
Greater Auramancy
20%inclusion103 decks506 decks
16%synergy
Ethereal Armor
20%inclusion102 decks506 decks
16%synergy
All That Glitters
20%inclusion101 decks506 decks
11%synergy
Polluted Cistern // Dim Oubliette
19%inclusion98 decks506 decks
19%synergy
Out of the Tombs
19%inclusion95 decks506 decks
18%synergy
Copy Enchantment
19%inclusion94 decks506 decks
14%synergy
Hallowed Haunting
17%inclusion87 decks506 decks
15%synergy
Touch the Spirit Realm
17%inclusion86 decks506 decks
15%synergy
Authority of the Consuls
17%inclusion85 decks506 decks
4%synergy
Leyline of Anticipation
16%inclusion83 decks506 decks
12%synergy
The Eldest Reborn
16%inclusion80 decks506 decks
13%synergy
Mirror Room // Fractured Realm
16%inclusion80 decks506 decks
14%synergy
Restricted Office // Lecture Hall
16%inclusion79 decks506 decks
14%synergy
Bottomless Pool // Locker Room
16%inclusion79 decks506 decks
14%synergy
Static Prison
15%inclusion76 decks506 decks
15%synergy
Land Tax
14%inclusion73 decks506 decks
8%synergy
Secrets of the Dead
14%inclusion69 decks506 decks
13%synergy
Teval's Judgment
14%inclusion61 decks451 decks
13%synergy
One with the Multiverse
13%inclusion68 decks506 decks
9%synergy
Nowhere to Run
13%inclusion68 decks506 decks
12%synergy
Court of Cunning
13%inclusion67 decks506 decks
12%synergy
Central Elevator // Promising Stairs
13%inclusion66 decks506 decks
12%synergy
Oubliette
13%inclusion66 decks506 decks
12%synergy
Cramped Vents // Access Maze
13%inclusion65 decks506 decks
10%synergy
Battles
Invasion of Theros
7.1%inclusion36 decks506 decks
5%synergy
Utility Lands
Bojuka Bog
43%inclusion218 decks506 decks
16%synergy
Cephalid Coliseum
18%inclusion92 decks506 decks
15%synergy
Otawara, Soaring City
18%inclusion89 decks506 decks
-1%synergy
Takenuma, Abandoned Mire
15%inclusion77 decks506 decks
9%synergy
Reliquary Tower
13%inclusion64 decks506 decks
-21%synergy
Halimar Depths
11%inclusion56 decks506 decks
6%synergy
Urborg, Tomb of Yawgmoth
6.9%inclusion35 decks506 decks
-6%synergy
Urza's Saga
6.3%inclusion32 decks506 decks
-5%synergy
Adagia, Windswept Bastion
5.5%inclusion19 decks345 decks
3%synergy
Rogue's Passage
5.3%inclusion27 decks506 decks
-4%synergy
Mana Artifacts
Sol Ring
88%inclusion447 decks506 decks
-1%synergy
Arcane Signet
87%inclusion442 decks506 decks
0%synergy
Talisman of Progress
52%inclusion263 decks506 decks
8%synergy
Talisman of Dominance
51%inclusion260 decks506 decks
2%synergy
Talisman of Hierarchy
46%inclusion235 decks506 decks
2%synergy
Azorius Signet
41%inclusion205 decks506 decks
10%synergy
Orzhov Signet
38%inclusion193 decks506 decks
6%synergy
Fellwar Stone
33%inclusion167 decks506 decks
0%synergy
Dimir Signet
29%inclusion145 decks506 decks
-2%synergy
Mind Stone
14%inclusion73 decks506 decks
2%synergy
Commander's Sphere
12%inclusion61 decks506 decks
-6%synergy
Chromatic Lantern
5.7%inclusion29 decks506 decks
-7%synergy
Lands
Island
97%inclusion489 decks506 decks
4%synergy
Swamp
96%inclusion488 decks506 decks
5%synergy
Command Tower
96%inclusion486 decks506 decks
4%synergy
Plains
96%inclusion486 decks506 decks
4%synergy
Arcane Sanctum
62%inclusion314 decks506 decks
8%synergy
Caves of Koilos
62%inclusion312 decks506 decks
26%synergy
Adarkar Wastes
58%inclusion295 decks506 decks
26%synergy
Godless Shrine
54%inclusion273 decks506 decks
3%synergy
Watery Grave
54%inclusion273 decks506 decks
3%synergy
Underground River
53%inclusion269 decks506 decks
19%synergy
Exotic Orchard
52%inclusion264 decks506 decks
-7%synergy
Hallowed Fountain
52%inclusion264 decks506 decks
2%synergy
Flooded Strand
44%inclusion222 decks506 decks
6%synergy
Polluted Delta
44%inclusion221 decks506 decks
6%synergy
Raffine's Tower
43%inclusion219 decks506 decks
2%synergy
Glacial Fortress
40%inclusion204 decks506 decks
-2%synergy
Isolated Chapel
40%inclusion201 decks506 decks
-1%synergy
Marsh Flats
37%inclusion189 decks506 decks
1%synergy
Drowned Catacomb
35%inclusion179 decks506 decks
-2%synergy
Prairie Stream
35%inclusion175 decks506 decks
-6%synergy
Valgavoth's Lair
34%inclusion172 decks506 decks
31%synergy
Meticulous Archive
34%inclusion170 decks506 decks
20%synergy
Sea of Clouds
33%inclusion169 decks506 decks
-2%synergy
Sunken Hollow
33%inclusion169 decks506 decks
-6%synergy
Undercity Sewers
32%inclusion163 decks506 decks
18%synergy
Vault of Champions
32%inclusion161 decks506 decks
-1%synergy
Shadowy Backstreet
31%inclusion157 decks506 decks
18%synergy
Morphic Pool
29%inclusion147 decks506 decks
-5%synergy
Floodfarm Verge
27%inclusion139 decks506 decks
16%synergy
Azorius Chancery
27%inclusion136 decks506 decks
13%synergy
Terramorphic Expanse
26%inclusion132 decks506 decks
10%synergy
Evolving Wilds
26%inclusion130 decks506 decks
1%synergy
Temple of Silence
25%inclusion126 decks506 decks
6%synergy
Temple of Enlightenment
24%inclusion122 decks506 decks
8%synergy
Orzhov Basilica
24%inclusion119 decks506 decks
8%synergy
Obscura Storefront
24%inclusion119 decks506 decks
14%synergy
Tainted Field
23%inclusion118 decks506 decks
16%synergy
Deserted Beach
23%inclusion117 decks506 decks
2%synergy
Temple of Deceit
23%inclusion115 decks506 decks
5%synergy
Dimir Aqueduct
23%inclusion115 decks506 decks
9%synergy
Gloomlake Verge
23%inclusion115 decks506 decks
12%synergy
Shipwreck Marsh
22%inclusion110 decks506 decks
1%synergy
Tainted Isle
21%inclusion106 decks506 decks
15%synergy
Contaminated Landscape
21%inclusion104 decks506 decks
7%synergy
Ash Barrens
17%inclusion87 decks506 decks
6%synergy
Shattered Sanctum
16%inclusion81 decks506 decks
0%synergy
Path of Ancestry
15%inclusion75 decks506 decks
-13%synergy
Sink into Stupor
14%inclusion72 decks506 decks
1%synergy
Fetid Heath
13%inclusion65 decks506 decks
0%synergy
Darkwater Catacombs
13%inclusion64 decks506 decks
-2%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