The Master of Keys (Commander) - Upgraded Control

The Master of Keys
Rank #316
29decks
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
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Entity Tracker
83%inclusion24 decks29 decks
76%synergy
Ripples of Undeath
76%inclusion22 decks29 decks
73%synergy
Inquisitive Glimmer
79%inclusion23 decks29 decks
72%synergy
Gravebreaker Lamia
69%inclusion20 decks29 decks
68%synergy
Starfield Mystic
72%inclusion21 decks29 decks
66%synergy
Dress Down
66%inclusion19 decks29 decks
63%synergy
Hall of Heliod's Generosity
76%inclusion22 decks29 decks
63%synergy
Demon of Fate's Design
66%inclusion19 decks29 decks
60%synergy
Animate Dead
69%inclusion20 decks29 decks
59%synergy
Scrabbling Skullcrab
59%inclusion17 decks29 decks
58%synergy
Top Cards
Mystic Remora
66%inclusion19 decks29 decks
44%synergy
Mesa Enchantress
66%inclusion19 decks29 decks
56%synergy
Doomwake Giant
62%inclusion18 decks29 decks
56%synergy
Necromancy
59%inclusion17 decks29 decks
54%synergy
Amphibian Downpour
59%inclusion17 decks29 decks
54%synergy
Fear of Impostors
55%inclusion16 decks29 decks
54%synergy
Swords to Plowshares
55%inclusion16 decks29 decks
-13%synergy
An Offer You Can't Refuse
52%inclusion15 decks29 decks
25%synergy
Zur, Eternal Schemer
52%inclusion15 decks29 decks
48%synergy
Grasp of Fate
48%inclusion14 decks29 decks
42%synergy
Game Changers
Smothering Tithe
34%inclusion10 decks29 decks
2%synergy
Rhystic Study
28%inclusion8 decks29 decks
-5%synergy
Gifts Ungiven
14%inclusion4 decks29 decks
12%synergy
Teferi's Protection
10%inclusion3 decks29 decks
-7%synergy
Consecrated Sphinx
10%inclusion3 decks29 decks
4%synergy
Serra's Sanctum
6.9%inclusion2 decks29 decks
5%synergy
Intuition
6.9%inclusion2 decks29 decks
5%synergy
Enlightened Tutor
6.9%inclusion2 decks29 decks
-13%synergy
Cyclonic Rift
6.9%inclusion2 decks29 decks
-18%synergy
Creatures
Fear of Sleep Paralysis
48%inclusion14 decks29 decks
42%synergy
Overlord of the Floodpits
45%inclusion13 decks29 decks
41%synergy
Overlord of the Balemurk
45%inclusion13 decks29 decks
43%synergy
Victor, Valgavoth's Seneschal
41%inclusion12 decks29 decks
39%synergy
Ondu Spiritdancer
41%inclusion12 decks29 decks
35%synergy
Heliod, the Radiant Dawn
38%inclusion11 decks29 decks
34%synergy
Silent Hallcreeper
31%inclusion9 decks29 decks
27%synergy
Grim Guardian
31%inclusion9 decks29 decks
28%synergy
Archon of Sun's Grace
24%inclusion7 decks29 decks
19%synergy
Sage of Mysteries
24%inclusion7 decks29 decks
24%synergy
Ghostly Dancers
24%inclusion7 decks29 decks
21%synergy
Abdel Adrian, Gorion's Ward
24%inclusion7 decks29 decks
22%synergy
Zur the Enchanter
21%inclusion6 decks29 decks
15%synergy
Ledger Shredder
21%inclusion6 decks29 decks
12%synergy
Balemurk Leech
17%inclusion5 decks29 decks
17%synergy
Hullbreaker Horror
17%inclusion5 decks29 decks
11%synergy
Stenn, Paranoid Partisan
14%inclusion4 decks29 decks
12%synergy
Lotho, Corrupt Shirriff
14%inclusion4 decks29 decks
-3%synergy
Lurrus of the Dream-Den
14%inclusion4 decks29 decks
12%synergy
Moon-Blessed Cleric
14%inclusion4 decks29 decks
9%synergy
Enduring Curiosity
14%inclusion4 decks29 decks
6%synergy
Ancient Cellarspawn
14%inclusion4 decks29 decks
10%synergy
Fear of Infinity
10%inclusion3 decks29 decks
10%synergy
Valley Floodcaller
10%inclusion3 decks29 decks
6%synergy
Soaring Lightbringer
10%inclusion3 decks29 decks
5%synergy
Overlord of the Mistmoors
10%inclusion3 decks29 decks
8%synergy
Skullsnap Nuisance
10%inclusion3 decks29 decks
10%synergy
Neerdiv, Devious Diver
10%inclusion3 decks29 decks
10%synergy
Aminatou, Veil Piercer
10%inclusion3 decks29 decks
9%synergy
Toxrill, the Corrosive
10%inclusion3 decks29 decks
8%synergy
Mindwrack Harpy
10%inclusion3 decks29 decks
10%synergy
Starnheim Courser
6.9%inclusion2 decks29 decks
3%synergy
Eidolon of Rhetoric
6.9%inclusion2 decks29 decks
5%synergy
Gray Merchant of Asphodel
6.9%inclusion2 decks29 decks
2%synergy
Heliod, Sun-Crowned
6.9%inclusion2 decks29 decks
3%synergy
Archetype of Courage
6.9%inclusion2 decks29 decks
5%synergy
Vilis, Broker of Blood
6.9%inclusion2 decks29 decks
6%synergy
Leonin Relic-Warder
6.9%inclusion2 decks29 decks
7%synergy
Athreos, Shroud-Veiled
6.9%inclusion2 decks29 decks
2%synergy
Archetype of Imagination
6.9%inclusion2 decks29 decks
2%synergy
Nashi, Searcher in the Dark
6.9%inclusion2 decks29 decks
6%synergy
Nightmare Shepherd
6.9%inclusion2 decks29 decks
4%synergy
Nezahal, Primal Tide
6.9%inclusion2 decks29 decks
3%synergy
Valgavoth, Terror Eater
6.9%inclusion2 decks29 decks
3%synergy
Instants
Arcane Denial
38%inclusion11 decks29 decks
18%synergy
Counterspell
34%inclusion10 decks29 decks
-7%synergy
Entomb
31%inclusion9 decks29 decks
24%synergy
Swan Song
31%inclusion9 decks29 decks
12%synergy
Path to Exile
28%inclusion8 decks29 decks
-14%synergy
Void Rend
24%inclusion7 decks29 decks
-9%synergy
Thirst for Meaning
21%inclusion6 decks29 decks
19%synergy
Sink into Stupor
21%inclusion6 decks29 decks
8%synergy
Negate
17%inclusion5 decks29 decks
1%synergy
Fact or Fiction
17%inclusion5 decks29 decks
13%synergy
Mana Drain
17%inclusion5 decks29 decks
0%synergy
Inkshield
17%inclusion5 decks29 decks
8%synergy
Dark Ritual
14%inclusion4 decks29 decks
-5%synergy
Generous Gift
14%inclusion4 decks29 decks
-1%synergy
Dovin's Veto
10%inclusion3 decks29 decks
-14%synergy
Anguished Unmaking
10%inclusion3 decks29 decks
-14%synergy
Faithful Mending
10%inclusion3 decks29 decks
6%synergy
Frantic Search
6.9%inclusion2 decks29 decks
-10%synergy
Brainstorm
6.9%inclusion2 decks29 decks
-11%synergy
Dawn's Truce
6.9%inclusion2 decks29 decks
2%synergy
Lim-Dûl's Vault
6.9%inclusion2 decks29 decks
3%synergy
Flare of Fortitude
6.9%inclusion2 decks29 decks
4%synergy
Strix Serenade
6.9%inclusion2 decks29 decks
3%synergy
Utter End
6.9%inclusion2 decks29 decks
0%synergy
Drown in Dreams
6.9%inclusion2 decks29 decks
6%synergy
Pact of Negation
6.9%inclusion2 decks29 decks
-1%synergy
Sorceries
Sevinne's Reclamation
48%inclusion14 decks29 decks
39%synergy
Redress Fate
28%inclusion8 decks29 decks
21%synergy
Supreme Verdict
24%inclusion7 decks29 decks
9%synergy
Reanimate
24%inclusion7 decks29 decks
8%synergy
Windfall
21%inclusion6 decks29 decks
7%synergy
Damn
21%inclusion6 decks29 decks
0%synergy
Extinguish All Hope
21%inclusion6 decks29 decks
19%synergy
Dance of the Manse
21%inclusion6 decks29 decks
17%synergy
Wrath of God
17%inclusion5 decks29 decks
13%synergy
Glimpse the Unthinkable
17%inclusion5 decks29 decks
17%synergy
Toxic Deluge
17%inclusion5 decks29 decks
-2%synergy
Farewell
14%inclusion4 decks29 decks
1%synergy
Idyllic Tutor
14%inclusion4 decks29 decks
10%synergy
Traumatize
14%inclusion4 decks29 decks
13%synergy
Resurgent Belief
10%inclusion3 decks29 decks
8%synergy
Demonic Counsel
10%inclusion3 decks29 decks
9%synergy
Buried Alive
10%inclusion3 decks29 decks
6%synergy
Space-Time Anomaly
10%inclusion2 decks20 decks
8%synergy
Ponder
6.9%inclusion2 decks29 decks
-2%synergy
Ondu Inversion
6.9%inclusion2 decks29 decks
6%synergy
Open the Vaults
6.9%inclusion2 decks29 decks
5%synergy
Time Wipe
6.9%inclusion2 decks29 decks
0%synergy
Slaughter the Strong
6.9%inclusion2 decks29 decks
7%synergy
Night's Whisper
6.9%inclusion2 decks29 decks
4%synergy
Brilliant Restoration
6.9%inclusion2 decks29 decks
5%synergy
Breach the Multiverse
6.9%inclusion2 decks29 decks
5%synergy
Compulsive Research
6.9%inclusion2 decks29 decks
6%synergy
Singularity Rupture
5.0%inclusion1 decks20 decks
3%synergy
Utility Artifacts
Mesmeric Orb
34%inclusion10 decks29 decks
33%synergy
Lightning Greaves
24%inclusion7 decks29 decks
2%synergy
Cloud Key
10%inclusion3 decks29 decks
7%synergy
Whip of Erebos
10%inclusion3 decks29 decks
8%synergy
Crucible of Worlds
6.9%inclusion2 decks29 decks
6%synergy
Mask of the Schemer
6.9%inclusion2 decks29 decks
6%synergy
Palantír of Orthanc
6.9%inclusion2 decks29 decks
6%synergy
Wishclaw Talisman
6.9%inclusion2 decks29 decks
-1%synergy
Swiftfoot Boots
6.9%inclusion2 decks29 decks
-17%synergy
Requiem Monolith
5.0%inclusion1 decks20 decks
5%synergy
Enchantments
Sphere of Safety
48%inclusion14 decks29 decks
39%synergy
Secret Arcade // Dusty Parlor
48%inclusion14 decks29 decks
43%synergy
Ghostly Prison
48%inclusion14 decks29 decks
27%synergy
Propaganda
48%inclusion14 decks29 decks
22%synergy
Dance of the Dead
45%inclusion13 decks29 decks
43%synergy
Sigil of the Empty Throne
45%inclusion13 decks29 decks
39%synergy
Mirrormade
45%inclusion13 decks29 decks
35%synergy
Blind Obedience
41%inclusion12 decks29 decks
29%synergy
Cemetery Tampering
41%inclusion12 decks29 decks
41%synergy
Seal of Cleansing
41%inclusion12 decks29 decks
40%synergy
Out of the Tombs
38%inclusion11 decks29 decks
37%synergy
The Meathook Massacre
34%inclusion10 decks29 decks
31%synergy
Estrid's Invocation
34%inclusion10 decks29 decks
30%synergy
Starfield of Nyx
34%inclusion10 decks29 decks
30%synergy
The Tale of Tamiyo
34%inclusion10 decks29 decks
34%synergy
Cacophony Unleashed
31%inclusion9 decks29 decks
29%synergy
Touch the Spirit Realm
31%inclusion9 decks29 decks
28%synergy
Timely Ward
31%inclusion9 decks29 decks
26%synergy
Ethereal Armor
31%inclusion9 decks29 decks
26%synergy
Trouble in Pairs
28%inclusion8 decks29 decks
22%synergy
Defiled Crypt // Cadaver Lab
28%inclusion8 decks29 decks
27%synergy
Darksteel Mutation
24%inclusion7 decks29 decks
18%synergy
Extravagant Replication
24%inclusion7 decks29 decks
19%synergy
Authority of the Consuls
24%inclusion7 decks29 decks
13%synergy
Land Tax
24%inclusion7 decks29 decks
18%synergy
Hallowed Haunting
24%inclusion7 decks29 decks
22%synergy
Seal of Removal
24%inclusion7 decks29 decks
24%synergy
Copy Enchantment
21%inclusion6 decks29 decks
16%synergy
Static Prison
21%inclusion6 decks29 decks
20%synergy
Secrets of the Dead
21%inclusion6 decks29 decks
20%synergy
Greater Auramancy
21%inclusion6 decks29 decks
16%synergy
Aura of Silence
21%inclusion6 decks29 decks
17%synergy
Teval's Judgment
19%inclusion5 decks26 decks
18%synergy
One with the Multiverse
17%inclusion5 decks29 decks
12%synergy
Imprisoned in the Moon
17%inclusion5 decks29 decks
11%synergy
Tinybones Joins Up
17%inclusion5 decks29 decks
16%synergy
Seal of Doom
17%inclusion5 decks29 decks
17%synergy
Leyline of Anticipation
17%inclusion5 decks29 decks
13%synergy
Monologue Tax
17%inclusion5 decks29 decks
11%synergy
Oubliette
17%inclusion5 decks29 decks
16%synergy
Polluted Cistern // Dim Oubliette
17%inclusion5 decks29 decks
17%synergy
Black Market Connections
17%inclusion5 decks29 decks
3%synergy
Solitary Confinement
17%inclusion5 decks29 decks
15%synergy
Phyrexian Arena
17%inclusion5 decks29 decks
3%synergy
Virtue of Persistence
17%inclusion5 decks29 decks
15%synergy
Stillness in Motion
15%inclusion4 decks26 decks
15%synergy
Smuggler's Share
14%inclusion4 decks29 decks
12%synergy
Hopeless Nightmare
14%inclusion4 decks29 decks
14%synergy
Out of Time
14%inclusion4 decks29 decks
13%synergy
Shark Typhoon
14%inclusion4 decks29 decks
8%synergy
Utility Lands
Bojuka Bog
41%inclusion12 decks29 decks
14%synergy
Cephalid Coliseum
31%inclusion9 decks29 decks
27%synergy
Otawara, Soaring City
24%inclusion7 decks29 decks
5%synergy
Ishgard, the Holy See
13%inclusion3 decks23 decks
10%synergy
Geier Reach Sanitarium
10%inclusion3 decks29 decks
6%synergy
Takenuma, Abandoned Mire
10%inclusion3 decks29 decks
4%synergy
Urborg, Tomb of Yawgmoth
10%inclusion3 decks29 decks
-3%synergy
Minamo, School at Water's Edge
6.9%inclusion2 decks29 decks
3%synergy
Urza's Saga
6.9%inclusion2 decks29 decks
-5%synergy
Nephalia Drownyard
6.9%inclusion2 decks29 decks
6%synergy
Emergence Zone
6.9%inclusion2 decks29 decks
5%synergy
Reliquary Tower
6.9%inclusion2 decks29 decks
-27%synergy
Temple of the False God
6.9%inclusion2 decks29 decks
-1%synergy
Vault of the Archangel
6.9%inclusion2 decks29 decks
1%synergy
Rogue's Passage
6.9%inclusion2 decks29 decks
-2%synergy
Mana Artifacts
Arcane Signet
90%inclusion26 decks29 decks
2%synergy
Sol Ring
90%inclusion26 decks29 decks
0%synergy
Talisman of Progress
59%inclusion17 decks29 decks
16%synergy
Talisman of Dominance
55%inclusion16 decks29 decks
6%synergy
Talisman of Hierarchy
55%inclusion16 decks29 decks
12%synergy
Fellwar Stone
31%inclusion9 decks29 decks
-3%synergy
Orzhov Signet
31%inclusion9 decks29 decks
-4%synergy
Azorius Signet
28%inclusion8 decks29 decks
-5%synergy
Dimir Signet
24%inclusion7 decks29 decks
-9%synergy
Chromatic Lantern
6.9%inclusion2 decks29 decks
-7%synergy
Mind Stone
6.9%inclusion2 decks29 decks
-6%synergy
Lands
Command Tower
97%inclusion28 decks29 decks
4%synergy
Swamp
93%inclusion27 decks29 decks
2%synergy
Island
93%inclusion27 decks29 decks
1%synergy
Plains
93%inclusion27 decks29 decks
2%synergy
Caves of Koilos
62%inclusion18 decks29 decks
27%synergy
Adarkar Wastes
62%inclusion18 decks29 decks
32%synergy
Exotic Orchard
59%inclusion17 decks29 decks
0%synergy
Godless Shrine
59%inclusion17 decks29 decks
9%synergy
Underground River
59%inclusion17 decks29 decks
27%synergy
Flooded Strand
55%inclusion16 decks29 decks
17%synergy
Watery Grave
55%inclusion16 decks29 decks
6%synergy
Hallowed Fountain
52%inclusion15 decks29 decks
3%synergy
Undercity Sewers
48%inclusion14 decks29 decks
34%synergy
Arcane Sanctum
48%inclusion14 decks29 decks
-6%synergy
Meticulous Archive
48%inclusion14 decks29 decks
35%synergy
Polluted Delta
48%inclusion14 decks29 decks
11%synergy
Isolated Chapel
45%inclusion13 decks29 decks
7%synergy
Marsh Flats
45%inclusion13 decks29 decks
9%synergy
Shadowy Backstreet
41%inclusion12 decks29 decks
29%synergy
Morphic Pool
41%inclusion12 decks29 decks
7%synergy
Sea of Clouds
38%inclusion11 decks29 decks
2%synergy
Vault of Champions
38%inclusion11 decks29 decks
5%synergy
Glacial Fortress
34%inclusion10 decks29 decks
-5%synergy
Raffine's Tower
34%inclusion10 decks29 decks
-7%synergy
Drowned Catacomb
34%inclusion10 decks29 decks
0%synergy
Prairie Stream
31%inclusion9 decks29 decks
-10%synergy
Temple of Silence
31%inclusion9 decks29 decks
11%synergy
Deserted Beach
31%inclusion9 decks29 decks
10%synergy
Terramorphic Expanse
28%inclusion8 decks29 decks
10%synergy
Temple of Deceit
28%inclusion8 decks29 decks
9%synergy
Valgavoth's Lair
28%inclusion8 decks29 decks
25%synergy
Temple of Enlightenment
28%inclusion8 decks29 decks
11%synergy
Evolving Wilds
28%inclusion8 decks29 decks
2%synergy
Sunken Hollow
28%inclusion8 decks29 decks
-12%synergy
Gloomlake Verge
28%inclusion8 decks29 decks
17%synergy
Obscura Storefront
28%inclusion8 decks29 decks
17%synergy
Shipwreck Marsh
24%inclusion7 decks29 decks
3%synergy
Floodfarm Verge
24%inclusion7 decks29 decks
13%synergy
Tainted Isle
21%inclusion6 decks29 decks
14%synergy
Contaminated Landscape
21%inclusion6 decks29 decks
6%synergy
Tainted Field
21%inclusion6 decks29 decks
14%synergy
Ash Barrens
21%inclusion6 decks29 decks
10%synergy
Sink into Stupor
21%inclusion6 decks29 decks
8%synergy
Mana Confluence
21%inclusion6 decks29 decks
7%synergy
Bleachbone Verge
17%inclusion5 decks29 decks
9%synergy
Skycloud Expanse
17%inclusion5 decks29 decks
3%synergy
Shattered Sanctum
17%inclusion5 decks29 decks
1%synergy
City of Brass
17%inclusion5 decks29 decks
2%synergy
Tundra
14%inclusion4 decks29 decks
-2%synergy
Prismatic Vista
14%inclusion4 decks29 decks
10%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