The Master of Keys (Commander) - Auras

The Master of Keys
Rank #295
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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
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Lands
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Gleaming Splendor
29%inclusion2 decks7 decks
20%synergy
The Queen of Dale
13%inclusion1 decks8 decks
8%synergy
Super Intelligence
7.1%inclusion1 decks14 decks
7%synergy
High Synergy Cards
Mesa Enchantress
75%inclusion78 decks104 decks
66%synergy
Ripples of Undeath
62%inclusion64 decks104 decks
59%synergy
Entity Tracker
64%inclusion67 decks104 decks
59%synergy
Inquisitive Glimmer
65%inclusion68 decks104 decks
58%synergy
Ethereal Armor
62%inclusion64 decks104 decks
57%synergy
Animate Dead
61%inclusion63 decks104 decks
51%synergy
All That Glitters
59%inclusion61 decks104 decks
51%synergy
Amphibian Downpour
53%inclusion55 decks104 decks
48%synergy
Mantle of the Ancients
49%inclusion51 decks104 decks
47%synergy
Starfield Mystic
52%inclusion54 decks104 decks
46%synergy
Top Cards
Doomwake Giant
49%inclusion51 decks104 decks
43%synergy
Swords to Plowshares
47%inclusion49 decks104 decks
-21%synergy
Sage's Reverie
46%inclusion48 decks104 decks
44%synergy
Sheltered by Ghosts
44%inclusion46 decks104 decks
42%synergy
Gravebreaker Lamia
43%inclusion45 decks104 decks
42%synergy
Ondu Spiritdancer
42%inclusion44 decks104 decks
36%synergy
Mystic Remora
41%inclusion43 decks104 decks
21%synergy
Victor, Valgavoth's Seneschal
39%inclusion41 decks104 decks
38%synergy
Timely Ward
38%inclusion40 decks104 decks
34%synergy
Darksteel Mutation
38%inclusion39 decks104 decks
31%synergy
Game Changers
Smothering Tithe
32%inclusion33 decks104 decks
2%synergy
Rhystic Study
29%inclusion30 decks104 decks
-1%synergy
Enlightened Tutor
17%inclusion18 decks104 decks
-1%synergy
Demonic Tutor
12%inclusion12 decks104 decks
-8%synergy
Teferi's Protection
11%inclusion11 decks104 decks
-5%synergy
Mana Vault
11%inclusion11 decks104 decks
2%synergy
Fierce Guardianship
11%inclusion11 decks104 decks
-10%synergy
Ancient Tomb
10%inclusion10 decks104 decks
-3%synergy
Cyclonic Rift
10%inclusion10 decks104 decks
-13%synergy
Thassa's Oracle
8.7%inclusion9 decks104 decks
-0%synergy
Creatures
Demon of Fate's Design
38%inclusion39 decks104 decks
32%synergy
Pearl-Ear, Imperial Advisor
38%inclusion39 decks104 decks
36%synergy
Scrabbling Skullcrab
36%inclusion37 decks104 decks
35%synergy
Kor Spiritdancer
36%inclusion37 decks104 decks
34%synergy
Sram, Senior Edificer
35%inclusion36 decks104 decks
30%synergy
Zur the Enchanter
32%inclusion33 decks104 decks
27%synergy
Overlord of the Floodpits
31%inclusion32 decks104 decks
27%synergy
Overlord of the Balemurk
27%inclusion28 decks104 decks
25%synergy
Fear of Impostors
25%inclusion26 decks104 decks
24%synergy
Fear of Sleep Paralysis
24%inclusion25 decks104 decks
19%synergy
Eriette of the Charmed Apple
23%inclusion24 decks104 decks
22%synergy
Arna Kennerüd, Skycaptain
22%inclusion23 decks104 decks
20%synergy
Light-Paws, Emperor's Voice
19%inclusion20 decks104 decks
19%synergy
Archon of Sun's Grace
19%inclusion20 decks104 decks
15%synergy
Zur, Eternal Schemer
19%inclusion20 decks104 decks
16%synergy
Bruna, Light of Alabaster
17%inclusion18 decks104 decks
17%synergy
Eidolon of Countless Battles
16%inclusion17 decks104 decks
15%synergy
Moon-Blessed Cleric
16%inclusion17 decks104 decks
12%synergy
Heliod, the Radiant Dawn
16%inclusion17 decks104 decks
13%synergy
Alseid of Life's Bounty
16%inclusion17 decks104 decks
15%synergy
Grim Guardian
15%inclusion16 decks104 decks
13%synergy
Ghostly Dancers
15%inclusion16 decks104 decks
13%synergy
Eiganjo Dynastorian
15%inclusion3 decks20 decks
14%synergy
Esper Sentinel
14%inclusion15 decks104 decks
-13%synergy
Sage of Mysteries
14%inclusion15 decks104 decks
14%synergy
Hateful Eidolon
14%inclusion15 decks104 decks
13%synergy
Killian, Ink Duelist
14%inclusion15 decks104 decks
13%synergy
Silent Hallcreeper
13%inclusion14 decks104 decks
9%synergy
Enduring Curiosity
13%inclusion14 decks104 decks
5%synergy
Witch Enchanter
13%inclusion13 decks104 decks
5%synergy
Heliod's Pilgrim
13%inclusion13 decks104 decks
12%synergy
Umbra Mystic
13%inclusion13 decks104 decks
12%synergy
Transcendent Envoy
13%inclusion13 decks104 decks
11%synergy
Nashi, Searcher in the Dark
12%inclusion12 decks104 decks
11%synergy
Danitha Capashen, Paragon
10%inclusion10 decks104 decks
6%synergy
Aminatou, Veil Piercer
10%inclusion10 decks104 decks
8%synergy
Mindwrack Harpy
10%inclusion10 decks104 decks
9%synergy
Hedron Crab
8.7%inclusion9 decks104 decks
8%synergy
Abdel Adrian, Gorion's Ward
8.7%inclusion9 decks104 decks
7%synergy
Summon: Yojimbo
8.3%inclusion3 decks36 decks
7%synergy
Overlord of the Mistmoors
7.7%inclusion8 decks104 decks
6%synergy
Sovereigns of Lost Alara
7.7%inclusion8 decks104 decks
7%synergy
Alela, Artful Provocateur
7.7%inclusion8 decks104 decks
5%synergy
Athreos, Shroud-Veiled
7.7%inclusion8 decks104 decks
3%synergy
Ancient Cellarspawn
7.7%inclusion8 decks104 decks
5%synergy
Grand Abolisher
7.7%inclusion8 decks104 decks
-7%synergy
Twilight Diviner
6.9%inclusion2 decks29 decks
6%synergy
Starnheim Courser
6.7%inclusion7 decks104 decks
3%synergy
Lotho, Corrupt Shirriff
6.7%inclusion7 decks104 decks
-10%synergy
Katilda, Dawnhart Martyr
6.7%inclusion7 decks104 decks
6%synergy
Instants
Counterspell
26%inclusion27 decks104 decks
-16%synergy
Path to Exile
23%inclusion24 decks104 decks
-19%synergy
Otherworldly Gaze
22%inclusion23 decks104 decks
20%synergy
Frantic Search
19%inclusion20 decks104 decks
0%synergy
Dark Ritual
19%inclusion20 decks104 decks
-1%synergy
Arcane Denial
19%inclusion20 decks104 decks
-1%synergy
Entomb
18%inclusion19 decks104 decks
12%synergy
Void Rend
18%inclusion19 decks104 decks
-17%synergy
An Offer You Can't Refuse
17%inclusion18 decks104 decks
-11%synergy
Thirst for Meaning
17%inclusion18 decks104 decks
16%synergy
Dovin's Veto
15%inclusion16 decks104 decks
-11%synergy
Fell the Profane
14%inclusion15 decks104 decks
5%synergy
Swan Song
14%inclusion15 decks104 decks
-6%synergy
Sink into Stupor
14%inclusion15 decks104 decks
1%synergy
Anguished Unmaking
13%inclusion13 decks104 decks
-14%synergy
Dawn's Truce
11%inclusion11 decks104 decks
6%synergy
Slip Out the Back
10%inclusion10 decks104 decks
9%synergy
Generous Gift
8.7%inclusion9 decks104 decks
-5%synergy
Negate
7.7%inclusion8 decks104 decks
-8%synergy
Brainstorm
7.7%inclusion8 decks104 decks
-9%synergy
Cabal Ritual
7.7%inclusion8 decks104 decks
4%synergy
Mana Drain
7.7%inclusion8 decks104 decks
-10%synergy
Borne Upon a Wind
7.7%inclusion8 decks104 decks
3%synergy
Inkshield
7.7%inclusion8 decks104 decks
-2%synergy
Vampiric Tutor
7.7%inclusion8 decks104 decks
-9%synergy
Tainted Pact
6.7%inclusion7 decks104 decks
0%synergy
Consider
6.7%inclusion7 decks104 decks
4%synergy
Silence
6.7%inclusion7 decks104 decks
-3%synergy
Demonic Consultation
6.7%inclusion7 decks104 decks
-1%synergy
Mystical Tutor
6.7%inclusion7 decks104 decks
-4%synergy
Intuition
5.8%inclusion6 decks104 decks
4%synergy
Fact or Fiction
5.8%inclusion6 decks104 decks
2%synergy
Thought Scour
5.8%inclusion6 decks104 decks
5%synergy
Force of Will
5.8%inclusion6 decks104 decks
-6%synergy
Force of Negation
5.8%inclusion6 decks104 decks
-6%synergy
Faithful Mending
5.8%inclusion6 decks104 decks
2%synergy
Sorceries
Sevinne's Reclamation
30%inclusion31 decks104 decks
21%synergy
Redress Fate
24%inclusion25 decks104 decks
19%synergy
Windfall
20%inclusion21 decks104 decks
7%synergy
Singularity Rupture
20%inclusion7 decks35 decks
18%synergy
Extinguish All Hope
19%inclusion20 decks104 decks
18%synergy
Winds of Rath
18%inclusion19 decks104 decks
16%synergy
Resurgent Belief
13%inclusion14 decks104 decks
12%synergy
Retether
13%inclusion14 decks104 decks
13%synergy
Open the Armory
12%inclusion12 decks104 decks
8%synergy
Idyllic Tutor
12%inclusion12 decks104 decks
7%synergy
Damn
11%inclusion11 decks104 decks
-10%synergy
Supreme Verdict
10%inclusion10 decks104 decks
-5%synergy
Time Wipe
10%inclusion10 decks104 decks
3%synergy
Glimpse the Unthinkable
10%inclusion10 decks104 decks
9%synergy
Reanimate
8.7%inclusion9 decks104 decks
-8%synergy
Toxic Deluge
8.7%inclusion9 decks104 decks
-11%synergy
Ponder
7.7%inclusion8 decks104 decks
-1%synergy
Unmarked Grave
7.7%inclusion8 decks104 decks
6%synergy
Replenish
7.7%inclusion8 decks104 decks
6%synergy
Traumatize
6.7%inclusion7 decks104 decks
6%synergy
Dance of the Manse
6.7%inclusion7 decks104 decks
4%synergy
Space-Time Anomaly
5.9%inclusion2 decks34 decks
4%synergy
Read the Bones
5.8%inclusion6 decks104 decks
2%synergy
Beseech the Mirror
5.8%inclusion6 decks104 decks
2%synergy
Moment of Reckoning
5.6%inclusion1 decks18 decks
5%synergy
Utility Artifacts
Mesmeric Orb
15%inclusion16 decks104 decks
14%synergy
Swiftfoot Boots
14%inclusion15 decks104 decks
-10%synergy
Wayfarer's Bauble
8.7%inclusion9 decks104 decks
2%synergy
Wishclaw Talisman
8.7%inclusion9 decks104 decks
1%synergy
The One Ring
7.7%inclusion8 decks104 decks
-5%synergy
Perpetual Timepiece
6.7%inclusion7 decks104 decks
6%synergy
Cloud Key
5.8%inclusion6 decks104 decks
3%synergy
Helm of the Gods
5.8%inclusion6 decks104 decks
5%synergy
Enchantments
Cemetery Tampering
36%inclusion37 decks104 decks
35%synergy
Sphere of Safety
36%inclusion37 decks104 decks
26%synergy
Dress Down
36%inclusion37 decks104 decks
33%synergy
Glasswing Grace
36%inclusion37 decks104 decks
33%synergy
Steel of the Godhead
36%inclusion37 decks104 decks
32%synergy
Grasp of Fate
36%inclusion37 decks104 decks
30%synergy
Sigil of the Empty Throne
35%inclusion36 decks104 decks
29%synergy
Mirrormade
35%inclusion36 decks104 decks
25%synergy
Daybreak Coronet
34%inclusion35 decks104 decks
32%synergy
Necromancy
30%inclusion31 decks104 decks
25%synergy
Secret Arcade // Dusty Parlor
29%inclusion30 decks104 decks
25%synergy
Propaganda
29%inclusion30 decks104 decks
-1%synergy
Aqueous Form
28%inclusion29 decks104 decks
25%synergy
Eldrazi Conscription
27%inclusion28 decks104 decks
25%synergy
Combat Research
27%inclusion28 decks104 decks
24%synergy
Seal of Cleansing
27%inclusion28 decks104 decks
25%synergy
Imprisoned in the Moon
27%inclusion28 decks104 decks
20%synergy
Estrid's Invocation
26%inclusion27 decks104 decks
21%synergy
Spirit Mantle
26%inclusion27 decks104 decks
25%synergy
Auramancer's Guise
24%inclusion25 decks104 decks
24%synergy
Cacophony Unleashed
23%inclusion24 decks104 decks
21%synergy
Ghostly Prison
23%inclusion24 decks104 decks
-0%synergy
Kaya's Ghostform
23%inclusion24 decks104 decks
21%synergy
Copy Enchantment
21%inclusion22 decks104 decks
16%synergy
Songbirds' Blessing
20%inclusion21 decks104 decks
19%synergy
Battle Mastery
20%inclusion21 decks104 decks
19%synergy
Changing Loyalty
20%inclusion4 decks20 decks
19%synergy
Starfield of Nyx
19%inclusion20 decks104 decks
15%synergy
Staggering Insight
19%inclusion20 decks104 decks
17%synergy
Monologue Tax
18%inclusion19 decks104 decks
12%synergy
Eaten by Piranhas
18%inclusion19 decks104 decks
17%synergy
Unable to Scream
18%inclusion19 decks104 decks
17%synergy
Idolized
17%inclusion18 decks104 decks
16%synergy
The Tale of Tamiyo
17%inclusion18 decks104 decks
17%synergy
Stillness in Motion
17%inclusion7 decks42 decks
16%synergy
Dance of the Dead
16%inclusion17 decks104 decks
14%synergy
Black Market Connections
16%inclusion17 decks104 decks
1%synergy
Curator's Ward
16%inclusion17 decks104 decks
14%synergy
Shark Typhoon
15%inclusion16 decks104 decks
10%synergy
Hyena Umbra
15%inclusion16 decks104 decks
14%synergy
Eel Umbra
14%inclusion15 decks104 decks
14%synergy
Super State
14%inclusion5 decks35 decks
13%synergy
Tempest Technique
14%inclusion6 decks42 decks
14%synergy
Dog Umbra
13%inclusion14 decks104 decks
13%synergy
Witness Protection
13%inclusion14 decks104 decks
12%synergy
Phyrexian Arena
13%inclusion13 decks104 decks
-2%synergy
Secrets of the Dead
13%inclusion13 decks104 decks
12%synergy
Out of the Tombs
13%inclusion13 decks104 decks
12%synergy
Shardmage's Rescue
13%inclusion13 decks104 decks
12%synergy
The Meathook Massacre
13%inclusion13 decks104 decks
9%synergy
Battles
Invasion of Theros
15%inclusion16 decks104 decks
14%synergy
Utility Lands
Hall of Heliod's Generosity
53%inclusion55 decks104 decks
40%synergy
Bojuka Bog
41%inclusion43 decks104 decks
15%synergy
Otawara, Soaring City
15%inclusion16 decks104 decks
-4%synergy
Rogue's Passage
14%inclusion15 decks104 decks
5%synergy
Adagia, Windswept Bastion
14%inclusion5 decks35 decks
12%synergy
Halimar Depths
10%inclusion10 decks104 decks
5%synergy
Urza's Saga
8.7%inclusion9 decks104 decks
-3%synergy
Susur Secundi, Void Altar
8.6%inclusion3 decks35 decks
8%synergy
Ishgard, the Holy See
8.3%inclusion3 decks36 decks
5%synergy
Serra's Sanctum
7.7%inclusion8 decks104 decks
6%synergy
Takenuma, Abandoned Mire
7.7%inclusion8 decks104 decks
1%synergy
Reliquary Tower
7.7%inclusion8 decks104 decks
-26%synergy
Cephalid Coliseum
7.7%inclusion8 decks104 decks
4%synergy
Emergence Zone
5.8%inclusion6 decks104 decks
4%synergy
Mana Artifacts
Arcane Signet
88%inclusion92 decks104 decks
1%synergy
Sol Ring
86%inclusion89 decks104 decks
-4%synergy
Talisman of Progress
52%inclusion54 decks104 decks
7%synergy
Talisman of Dominance
49%inclusion51 decks104 decks
-1%synergy
Talisman of Hierarchy
46%inclusion48 decks104 decks
1%synergy
Azorius Signet
39%inclusion41 decks104 decks
10%synergy
Orzhov Signet
36%inclusion37 decks104 decks
5%synergy
Fellwar Stone
31%inclusion32 decks104 decks
-2%synergy
Dimir Signet
25%inclusion26 decks104 decks
-4%synergy
Commander's Sphere
13%inclusion14 decks104 decks
-3%synergy
Mind Stone
13%inclusion14 decks104 decks
2%synergy
Chromatic Lantern
7.7%inclusion8 decks104 decks
-5%synergy
Lotus Petal
6.7%inclusion7 decks104 decks
-4%synergy
Thran Dynamo
5.8%inclusion6 decks104 decks
2%synergy
Mox Opal
5.8%inclusion6 decks104 decks
-2%synergy
Chrome Mox
5.8%inclusion6 decks104 decks
-3%synergy
Mox Diamond
5.8%inclusion6 decks104 decks
-1%synergy
Lands
Command Tower
93%inclusion97 decks104 decks
1%synergy
Island
92%inclusion96 decks104 decks
-1%synergy
Plains
92%inclusion96 decks104 decks
0%synergy
Swamp
89%inclusion93 decks104 decks
-3%synergy
Adarkar Wastes
57%inclusion59 decks104 decks
24%synergy
Arcane Sanctum
56%inclusion58 decks104 decks
2%synergy
Caves of Koilos
52%inclusion54 decks104 decks
16%synergy
Hallowed Fountain
52%inclusion54 decks104 decks
0%synergy
Watery Grave
50%inclusion52 decks104 decks
-2%synergy
Godless Shrine
49%inclusion51 decks104 decks
-3%synergy
Underground River
48%inclusion50 decks104 decks
12%synergy
Exotic Orchard
47%inclusion49 decks104 decks
-12%synergy
Flooded Strand
40%inclusion42 decks104 decks
2%synergy
Glacial Fortress
38%inclusion40 decks104 decks
-6%synergy
Isolated Chapel
38%inclusion40 decks104 decks
-4%synergy
Valgavoth's Lair
38%inclusion39 decks104 decks
35%synergy
Raffine's Tower
38%inclusion39 decks104 decks
-3%synergy
Meticulous Archive
38%inclusion39 decks104 decks
23%synergy
Vault of Champions
37%inclusion38 decks104 decks
4%synergy
Glasswing Grace
36%inclusion37 decks104 decks
33%synergy
Sea of Clouds
35%inclusion36 decks104 decks
-0%synergy
Drowned Catacomb
35%inclusion36 decks104 decks
-5%synergy
Polluted Delta
35%inclusion36 decks104 decks
-4%synergy
Shadowy Backstreet
34%inclusion35 decks104 decks
21%synergy
Undercity Sewers
31%inclusion32 decks104 decks
16%synergy
Evolving Wilds
31%inclusion32 decks104 decks
7%synergy
Marsh Flats
31%inclusion32 decks104 decks
-5%synergy
Contaminated Landscape
28%inclusion29 decks104 decks
15%synergy
Terramorphic Expanse
27%inclusion28 decks104 decks
12%synergy
Prairie Stream
27%inclusion28 decks104 decks
-14%synergy
Morphic Pool
27%inclusion28 decks104 decks
-7%synergy
Obscura Storefront
26%inclusion27 decks104 decks
17%synergy
Azorius Chancery
25%inclusion26 decks104 decks
12%synergy
Deserted Beach
23%inclusion24 decks104 decks
2%synergy
Orzhov Basilica
22%inclusion23 decks104 decks
8%synergy
Temple of Deceit
20%inclusion21 decks104 decks
4%synergy
Dimir Aqueduct
20%inclusion21 decks104 decks
8%synergy
Temple of Enlightenment
20%inclusion21 decks104 decks
5%synergy
Sunken Hollow
19%inclusion20 decks104 decks
-21%synergy
Tainted Field
18%inclusion19 decks104 decks
11%synergy
Ash Barrens
18%inclusion19 decks104 decks
8%synergy
Tainted Isle
17%inclusion18 decks104 decks
11%synergy
Shipwreck Marsh
17%inclusion18 decks104 decks
-3%synergy
Temple of Silence
17%inclusion18 decks104 decks
-0%synergy
Gloomlake Verge
15%inclusion16 decks104 decks
4%synergy
Mystic Gate
15%inclusion16 decks104 decks
10%synergy
Fell the Profane
14%inclusion15 decks104 decks
5%synergy
Fabled Passage
14%inclusion15 decks104 decks
6%synergy
Fetid Heath
14%inclusion15 decks104 decks
0%synergy
Sink into Stupor
14%inclusion15 decks104 decks
1%synergy
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