The Master of Keys (Commander) - Stax

The Master of Keys
Rank #295
42decks
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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.
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Enchantments
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Utility Lands
Mana Artifacts
Lands
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Gleaming Splendor
40%inclusion2 decks5 decks
32%synergy
The Queen of Dale
29%inclusion2 decks7 decks
24%synergy
Archnemesis
13%inclusion1 decks8 decks
12%synergy
The Wondrous Wasp
11%inclusion1 decks9 decks
11%synergy
High Synergy Cards
Ripples of Undeath
71%inclusion30 decks42 decks
69%synergy
Dress Down
64%inclusion27 decks42 decks
62%synergy
Animate Dead
60%inclusion25 decks42 decks
50%synergy
Blind Obedience
60%inclusion25 decks42 decks
48%synergy
Entomb
52%inclusion22 decks42 decks
46%synergy
Mystic Remora
64%inclusion27 decks42 decks
44%synergy
Entity Tracker
48%inclusion20 decks42 decks
42%synergy
Necromancy
45%inclusion19 decks42 decks
41%synergy
Inquisitive Glimmer
48%inclusion20 decks42 decks
41%synergy
Zur the Enchanter
45%inclusion19 decks42 decks
40%synergy
Top Cards
Swords to Plowshares
67%inclusion28 decks42 decks
-1%synergy
Propaganda
55%inclusion23 decks42 decks
25%synergy
Ghostly Prison
48%inclusion20 decks42 decks
24%synergy
Mesa Enchantress
45%inclusion19 decks42 decks
37%synergy
Starfield Mystic
43%inclusion18 decks42 decks
36%synergy
Counterspell
43%inclusion18 decks42 decks
1%synergy
Sevinne's Reclamation
43%inclusion18 decks42 decks
34%synergy
Amphibian Downpour
40%inclusion17 decks42 decks
36%synergy
An Offer You Can't Refuse
40%inclusion17 decks42 decks
12%synergy
Scrabbling Skullcrab
40%inclusion17 decks42 decks
40%synergy
Game Changers
Smothering Tithe
64%inclusion27 decks42 decks
34%synergy
Rhystic Study
57%inclusion24 decks42 decks
27%synergy
Enlightened Tutor
45%inclusion19 decks42 decks
27%synergy
Demonic Tutor
40%inclusion17 decks42 decks
21%synergy
Fierce Guardianship
33%inclusion14 decks42 decks
13%synergy
Vampiric Tutor
33%inclusion14 decks42 decks
17%synergy
Cyclonic Rift
31%inclusion13 decks42 decks
9%synergy
Chrome Mox
26%inclusion11 decks42 decks
17%synergy
Necropotence
24%inclusion10 decks42 decks
17%synergy
Mana Vault
24%inclusion10 decks42 decks
15%synergy
Creatures
Gravebreaker Lamia
38%inclusion16 decks42 decks
37%synergy
Fear of Impostors
36%inclusion15 decks42 decks
34%synergy
Grand Abolisher
36%inclusion15 decks42 decks
21%synergy
Esper Sentinel
33%inclusion14 decks42 decks
6%synergy
Fear of Sleep Paralysis
33%inclusion14 decks42 decks
29%synergy
Victor, Valgavoth's Seneschal
31%inclusion13 decks42 decks
29%synergy
Ondu Spiritdancer
31%inclusion13 decks42 decks
25%synergy
Overlord of the Balemurk
29%inclusion12 decks42 decks
27%synergy
Archon of Sun's Grace
24%inclusion10 decks42 decks
20%synergy
Demon of Fate's Design
24%inclusion10 decks42 decks
18%synergy
Doomwake Giant
24%inclusion10 decks42 decks
18%synergy
Heliod, the Radiant Dawn
24%inclusion10 decks42 decks
20%synergy
Thassa's Oracle
21%inclusion9 decks42 decks
13%synergy
Drannith Magistrate
21%inclusion9 decks42 decks
14%synergy
Ghostly Dancers
21%inclusion9 decks42 decks
19%synergy
Abdel Adrian, Gorion's Ward
21%inclusion9 decks42 decks
20%synergy
Displacer Kitten
19%inclusion8 decks42 decks
12%synergy
Overlord of the Floodpits
19%inclusion8 decks42 decks
16%synergy
Grim Guardian
19%inclusion8 decks42 decks
17%synergy
Zur, Eternal Schemer
19%inclusion8 decks42 decks
16%synergy
Hullbreaker Horror
19%inclusion8 decks42 decks
13%synergy
Emet-Selch of the Third Seat
18%inclusion5 decks28 decks
8%synergy
Lotho, Corrupt Shirriff
17%inclusion7 decks42 decks
-1%synergy
Grand Arbiter Augustin IV
17%inclusion7 decks42 decks
11%synergy
Lurrus of the Dream-Den
17%inclusion7 decks42 decks
15%synergy
Valley Floodcaller
17%inclusion7 decks42 decks
13%synergy
Hedron Crab
17%inclusion7 decks42 decks
16%synergy
Moon-Blessed Cleric
17%inclusion7 decks42 decks
12%synergy
Athreos, Shroud-Veiled
17%inclusion7 decks42 decks
12%synergy
Laboratory Maniac
17%inclusion7 decks42 decks
13%synergy
Aminatou, Veil Piercer
17%inclusion7 decks42 decks
15%synergy
Orcish Bowmasters
17%inclusion7 decks42 decks
7%synergy
Witch Enchanter
14%inclusion6 decks42 decks
7%synergy
Opposition Agent
14%inclusion6 decks42 decks
7%synergy
Sage of Mysteries
14%inclusion6 decks42 decks
14%synergy
Eidolon of Rhetoric
12%inclusion5 decks42 decks
10%synergy
Soaring Lightbringer
12%inclusion5 decks42 decks
8%synergy
Enduring Curiosity
12%inclusion5 decks42 decks
4%synergy
Gremlin Tamer
12%inclusion5 decks42 decks
11%synergy
Ledger Shredder
12%inclusion5 decks42 decks
3%synergy
Wan Shi Tong, Librarian
10%inclusion2 decks20 decks
5%synergy
Stenn, Paranoid Partisan
10%inclusion4 decks42 decks
8%synergy
Snapcaster Mage
10%inclusion4 decks42 decks
7%synergy
Sheoldred, the Apocalypse
10%inclusion4 decks42 decks
0%synergy
Silent Hallcreeper
10%inclusion4 decks42 decks
5%synergy
Boggart Trawler
10%inclusion4 decks42 decks
6%synergy
Balemurk Leech
10%inclusion4 decks42 decks
9%synergy
Dauthi Voidwalker
10%inclusion4 decks42 decks
4%synergy
High Fae Trickster
8.6%inclusion3 decks35 decks
4%synergy
Optimistic Scavenger
7.1%inclusion3 decks42 decks
7%synergy
Instants
Dark Ritual
36%inclusion15 decks42 decks
15%synergy
Path to Exile
31%inclusion13 decks42 decks
-11%synergy
Mana Drain
26%inclusion11 decks42 decks
9%synergy
Silence
26%inclusion11 decks42 decks
16%synergy
Swan Song
26%inclusion11 decks42 decks
6%synergy
Arcane Denial
26%inclusion11 decks42 decks
6%synergy
Dovin's Veto
24%inclusion10 decks42 decks
-3%synergy
Force of Will
24%inclusion10 decks42 decks
12%synergy
Fell the Profane
19%inclusion8 decks42 decks
10%synergy
Sink into Stupor
19%inclusion8 decks42 decks
6%synergy
Flusterstorm
17%inclusion7 decks42 decks
9%synergy
Force of Negation
17%inclusion7 decks42 decks
5%synergy
Demonic Consultation
14%inclusion6 decks42 decks
7%synergy
Tainted Pact
12%inclusion5 decks42 decks
5%synergy
Negate
12%inclusion5 decks42 decks
-4%synergy
Gifts Ungiven
12%inclusion5 decks42 decks
9%synergy
Cabal Ritual
12%inclusion5 decks42 decks
9%synergy
Thirst for Meaning
12%inclusion5 decks42 decks
10%synergy
Void Rend
12%inclusion5 decks42 decks
-23%synergy
Inkshield
12%inclusion5 decks42 decks
2%synergy
Mystical Tutor
12%inclusion5 decks42 decks
2%synergy
Teferi's Protection
10%inclusion4 decks42 decks
-6%synergy
Frantic Search
10%inclusion4 decks42 decks
-10%synergy
Mental Misstep
10%inclusion4 decks42 decks
3%synergy
Orim's Chant
10%inclusion4 decks42 decks
8%synergy
Brainstorm
10%inclusion4 decks42 decks
-7%synergy
Fact or Fiction
10%inclusion4 decks42 decks
6%synergy
Razorgrass Ambush
10%inclusion4 decks42 decks
9%synergy
Angel's Grace
10%inclusion4 decks42 decks
7%synergy
Strix Serenade
10%inclusion4 decks42 decks
6%synergy
Ad Nauseam
10%inclusion4 decks42 decks
7%synergy
Anguished Unmaking
10%inclusion4 decks42 decks
-17%synergy
Otherworldly Gaze
10%inclusion4 decks42 decks
7%synergy
Borne Upon a Wind
10%inclusion4 decks42 decks
5%synergy
Waterlogged Teachings
10%inclusion4 decks42 decks
5%synergy
Pact of Negation
10%inclusion4 decks42 decks
2%synergy
Deadly Rollick
7.1%inclusion3 decks42 decks
-9%synergy
Intuition
7.1%inclusion3 decks42 decks
6%synergy
Brain Freeze
7.1%inclusion3 decks42 decks
7%synergy
Mindbreak Trap
7.1%inclusion3 decks42 decks
1%synergy
Utter End
7.1%inclusion3 decks42 decks
1%synergy
Generous Gift
7.1%inclusion3 decks42 decks
-7%synergy
Sorceries
Windfall
21%inclusion9 decks42 decks
8%synergy
Toxic Deluge
19%inclusion8 decks42 decks
-1%synergy
Redress Fate
19%inclusion8 decks42 decks
14%synergy
Reanimate
17%inclusion7 decks42 decks
0%synergy
Time Wipe
14%inclusion6 decks42 decks
8%synergy
Grim Tutor
14%inclusion6 decks42 decks
10%synergy
Singularity Rupture
12%inclusion3 decks25 decks
10%synergy
Supreme Verdict
12%inclusion5 decks42 decks
-3%synergy
Imperial Seal
12%inclusion5 decks42 decks
5%synergy
Demonic Counsel
12%inclusion5 decks42 decks
11%synergy
Extinguish All Hope
12%inclusion5 decks42 decks
10%synergy
Ponder
10%inclusion4 decks42 decks
1%synergy
Lively Dirge
10%inclusion4 decks42 decks
8%synergy
Idyllic Tutor
10%inclusion4 decks42 decks
5%synergy
Buried Alive
10%inclusion4 decks42 decks
5%synergy
Dance of the Manse
10%inclusion4 decks42 decks
6%synergy
Blasphemous Edict
8.6%inclusion3 decks35 decks
6%synergy
Unmarked Grave
7.1%inclusion3 decks42 decks
6%synergy
Terminus
7.1%inclusion3 decks42 decks
3%synergy
Sea Gate Restoration
7.1%inclusion3 decks42 decks
4%synergy
Replenish
7.1%inclusion3 decks42 decks
5%synergy
Scheming Symmetry
7.1%inclusion3 decks42 decks
6%synergy
Beseech the Mirror
7.1%inclusion3 decks42 decks
3%synergy
Maddening Cacophony
7.1%inclusion3 decks42 decks
6%synergy
Utility Artifacts
Mesmeric Orb
38%inclusion16 decks42 decks
37%synergy
The One Ring
10%inclusion4 decks42 decks
-3%synergy
Cursed Totem
10%inclusion4 decks42 decks
7%synergy
Altar of the Brood
10%inclusion4 decks42 decks
8%synergy
Mindcrank
10%inclusion4 decks42 decks
7%synergy
Lightning Greaves
10%inclusion4 decks42 decks
-13%synergy
Altar of Dementia
10%inclusion4 decks42 decks
8%synergy
Sensei's Divining Top
7.1%inclusion3 decks42 decks
-2%synergy
Perpetual Timepiece
7.1%inclusion3 decks42 decks
7%synergy
Ashnod's Altar
7.1%inclusion3 decks42 decks
1%synergy
Enchantments
Mirrormade
38%inclusion16 decks42 decks
28%synergy
Dance of the Dead
33%inclusion14 decks42 decks
31%synergy
Sphere of Safety
33%inclusion14 decks42 decks
24%synergy
Seal of Cleansing
33%inclusion14 decks42 decks
32%synergy
Grasp of Fate
31%inclusion13 decks42 decks
25%synergy
Authority of the Consuls
31%inclusion13 decks42 decks
17%synergy
Greater Auramancy
31%inclusion13 decks42 decks
27%synergy
Aura of Silence
31%inclusion13 decks42 decks
28%synergy
Cemetery Tampering
29%inclusion12 decks42 decks
28%synergy
Secret Arcade // Dusty Parlor
29%inclusion12 decks42 decks
24%synergy
Teval's Judgment
27%inclusion8 decks30 decks
26%synergy
Sigil of the Empty Throne
26%inclusion11 decks42 decks
21%synergy
Leyline of Anticipation
26%inclusion11 decks42 decks
22%synergy
Land Tax
26%inclusion11 decks42 decks
20%synergy
Ethereal Armor
24%inclusion10 decks42 decks
19%synergy
The Meathook Massacre
21%inclusion9 decks42 decks
18%synergy
Court of Cunning
21%inclusion9 decks42 decks
20%synergy
Copy Enchantment
21%inclusion9 decks42 decks
17%synergy
Starfield of Nyx
21%inclusion9 decks42 decks
17%synergy
Monologue Tax
21%inclusion9 decks42 decks
15%synergy
Phyrexian Arena
21%inclusion9 decks42 decks
7%synergy
Seal of Removal
19%inclusion8 decks42 decks
18%synergy
Darksteel Mutation
17%inclusion7 decks42 decks
11%synergy
Stony Silence
17%inclusion7 decks42 decks
16%synergy
Extravagant Replication
17%inclusion7 decks42 decks
12%synergy
Rule of Law
17%inclusion7 decks42 decks
14%synergy
The Tale of Tamiyo
17%inclusion7 decks42 decks
16%synergy
All That Glitters
17%inclusion7 decks42 decks
9%synergy
Sheltered by Ghosts
17%inclusion7 decks42 decks
14%synergy
Black Market Connections
17%inclusion7 decks42 decks
1%synergy
Tinybones Joins Up
14%inclusion6 decks42 decks
13%synergy
Touch the Spirit Realm
14%inclusion6 decks42 decks
12%synergy
Solitary Confinement
14%inclusion6 decks42 decks
12%synergy
Solemnity
14%inclusion6 decks42 decks
11%synergy
Leyline of the Void
14%inclusion6 decks42 decks
13%synergy
One with the Multiverse
12%inclusion5 decks42 decks
7%synergy
Cramped Vents // Access Maze
12%inclusion5 decks42 decks
10%synergy
Cacophony Unleashed
12%inclusion5 decks42 decks
10%synergy
Imprisoned in the Moon
12%inclusion5 decks42 decks
5%synergy
Estrid's Invocation
12%inclusion5 decks42 decks
7%synergy
Shark Typhoon
12%inclusion5 decks42 decks
6%synergy
Timely Ward
12%inclusion5 decks42 decks
7%synergy
Decree of Silence
12%inclusion5 decks42 decks
11%synergy
Stasis
12%inclusion5 decks42 decks
11%synergy
Restricted Office // Lecture Hall
12%inclusion5 decks42 decks
10%synergy
Painful Quandary
12%inclusion5 decks42 decks
9%synergy
Oubliette
12%inclusion5 decks42 decks
10%synergy
Search for Azcanta
12%inclusion5 decks42 decks
11%synergy
Stillness in Motion
10%inclusion3 decks30 decks
10%synergy
Rest in Peace
10%inclusion4 decks42 decks
7%synergy
Planeswalkers
Teferi, Time Raveler
14%inclusion6 decks42 decks
6%synergy
Ashiok, Dream Render
10%inclusion4 decks42 decks
8%synergy
Jace, Wielder of Mysteries
7.1%inclusion3 decks42 decks
6%synergy
Utility Lands
Hall of Heliod's Generosity
52%inclusion22 decks42 decks
40%synergy
Bojuka Bog
38%inclusion16 decks42 decks
11%synergy
Otawara, Soaring City
29%inclusion12 decks42 decks
9%synergy
Urza's Saga
24%inclusion10 decks42 decks
12%synergy
Takenuma, Abandoned Mire
21%inclusion9 decks42 decks
15%synergy
Reliquary Tower
21%inclusion9 decks42 decks
-13%synergy
Ancient Tomb
19%inclusion8 decks42 decks
7%synergy
Serra's Sanctum
12%inclusion5 decks42 decks
10%synergy
Command Beacon
10%inclusion4 decks42 decks
7%synergy
Eiganjo, Seat of the Empire
10%inclusion4 decks42 decks
5%synergy
Cephalid Coliseum
10%inclusion4 decks42 decks
6%synergy
Urborg, Tomb of Yawgmoth
10%inclusion4 decks42 decks
-3%synergy
Adagia, Windswept Bastion
8.3%inclusion2 decks24 decks
6%synergy
Halimar Depths
7.1%inclusion3 decks42 decks
3%synergy
Nephalia Drownyard
7.1%inclusion3 decks42 decks
7%synergy
Emergence Zone
7.1%inclusion3 decks42 decks
5%synergy
Temple of the False God
7.1%inclusion3 decks42 decks
-1%synergy
Rogue's Passage
7.1%inclusion3 decks42 decks
-3%synergy
Ishgard, the Holy See
7.1%inclusion2 decks28 decks
4%synergy
Mana Artifacts
Sol Ring
95%inclusion40 decks42 decks
6%synergy
Arcane Signet
83%inclusion35 decks42 decks
-4%synergy
Talisman of Progress
55%inclusion23 decks42 decks
10%synergy
Talisman of Dominance
48%inclusion20 decks42 decks
-3%synergy
Talisman of Hierarchy
48%inclusion20 decks42 decks
2%synergy
Fellwar Stone
40%inclusion17 decks42 decks
7%synergy
Lotus Petal
29%inclusion12 decks42 decks
18%synergy
Azorius Signet
29%inclusion12 decks42 decks
-0%synergy
Orzhov Signet
26%inclusion11 decks42 decks
-5%synergy
Dimir Signet
24%inclusion10 decks42 decks
-6%synergy
Mind Stone
19%inclusion8 decks42 decks
7%synergy
Mox Amber
17%inclusion7 decks42 decks
10%synergy
Mox Opal
12%inclusion5 decks42 decks
4%synergy
Mox Diamond
12%inclusion5 decks42 decks
5%synergy
Thought Vessel
10%inclusion4 decks42 decks
-16%synergy
Lion's Eye Diamond
10%inclusion4 decks42 decks
8%synergy
Basalt Monolith
7.1%inclusion3 decks42 decks
5%synergy
Lands
Command Tower
98%inclusion41 decks42 decks
5%synergy
Plains
86%inclusion36 decks42 decks
-6%synergy
Swamp
83%inclusion35 decks42 decks
-9%synergy
Island
83%inclusion35 decks42 decks
-10%synergy
Hallowed Fountain
74%inclusion31 decks42 decks
22%synergy
Godless Shrine
69%inclusion29 decks42 decks
17%synergy
Watery Grave
69%inclusion29 decks42 decks
17%synergy
Polluted Delta
64%inclusion27 decks42 decks
26%synergy
Flooded Strand
62%inclusion26 decks42 decks
23%synergy
Exotic Orchard
57%inclusion24 decks42 decks
-2%synergy
Marsh Flats
57%inclusion24 decks42 decks
21%synergy
Raffine's Tower
52%inclusion22 decks42 decks
12%synergy
Arcane Sanctum
52%inclusion22 decks42 decks
-1%synergy
Caves of Koilos
48%inclusion20 decks42 decks
12%synergy
Undercity Sewers
45%inclusion19 decks42 decks
30%synergy
Meticulous Archive
45%inclusion19 decks42 decks
31%synergy
Sea of Clouds
43%inclusion18 decks42 decks
8%synergy
Adarkar Wastes
43%inclusion18 decks42 decks
10%synergy
Underground River
40%inclusion17 decks42 decks
5%synergy
Morphic Pool
40%inclusion17 decks42 decks
7%synergy
Shadowy Backstreet
38%inclusion16 decks42 decks
25%synergy
Drowned Catacomb
38%inclusion16 decks42 decks
-1%synergy
Vault of Champions
38%inclusion16 decks42 decks
6%synergy
Glacial Fortress
33%inclusion14 decks42 decks
-11%synergy
Isolated Chapel
33%inclusion14 decks42 decks
-10%synergy
City of Brass
31%inclusion13 decks42 decks
15%synergy
Underground Sea
24%inclusion10 decks42 decks
8%synergy
Scrubland
24%inclusion10 decks42 decks
8%synergy
Mana Confluence
24%inclusion10 decks42 decks
10%synergy
Tainted Isle
21%inclusion9 decks42 decks
15%synergy
Tundra
21%inclusion9 decks42 decks
5%synergy
Tainted Field
21%inclusion9 decks42 decks
15%synergy
Valgavoth's Lair
21%inclusion9 decks42 decks
19%synergy
Verdant Catacombs
21%inclusion9 decks42 decks
12%synergy
Arid Mesa
21%inclusion9 decks42 decks
12%synergy
Gloomlake Verge
21%inclusion9 decks42 decks
11%synergy
Floodfarm Verge
21%inclusion9 decks42 decks
10%synergy
Fell the Profane
19%inclusion8 decks42 decks
10%synergy
Misty Rainforest
19%inclusion8 decks42 decks
9%synergy
Windswept Heath
19%inclusion8 decks42 decks
10%synergy
Temple of Deceit
19%inclusion8 decks42 decks
3%synergy
Prairie Stream
19%inclusion8 decks42 decks
-22%synergy
Sink into Stupor
19%inclusion8 decks42 decks
6%synergy
Scalding Tarn
19%inclusion8 decks42 decks
9%synergy
Sunken Hollow
19%inclusion8 decks42 decks
-21%synergy
Skycloud Expanse
17%inclusion7 decks42 decks
1%synergy
Temple of Enlightenment
17%inclusion7 decks42 decks
2%synergy
Temple of Silence
17%inclusion7 decks42 decks
-1%synergy
Witch Enchanter
14%inclusion6 decks42 decks
7%synergy
Azorius Chancery
14%inclusion6 decks42 decks
2%synergy
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