The Master of Keys (Commander) - Auras

The Master of Keys
Rank #302
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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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Utility Artifacts
Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
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Moment of Reckoning
7.7%inclusion1 decks13 decks
7%synergy
Ral Zarek, Guest Lecturer
6.3%inclusion1 decks16 decks
6%synergy
Exhibition Tidecaller
6.3%inclusion1 decks16 decks
6%synergy
High Synergy Cards
Mesa Enchantress
77%inclusion78 decks101 decks
69%synergy
Entity Tracker
65%inclusion66 decks101 decks
59%synergy
Ripples of Undeath
61%inclusion62 decks101 decks
59%synergy
Inquisitive Glimmer
65%inclusion66 decks101 decks
58%synergy
Ethereal Armor
60%inclusion61 decks101 decks
56%synergy
Animate Dead
59%inclusion60 decks101 decks
50%synergy
All That Glitters
57%inclusion58 decks101 decks
49%synergy
Amphibian Downpour
53%inclusion54 decks101 decks
49%synergy
Starfield Mystic
54%inclusion55 decks101 decks
48%synergy
Mantle of the Ancients
49%inclusion49 decks101 decks
46%synergy
Top Cards
Doomwake Giant
50%inclusion50 decks101 decks
44%synergy
Swords to Plowshares
48%inclusion48 decks101 decks
-20%synergy
Sage's Reverie
48%inclusion48 decks101 decks
46%synergy
Sheltered by Ghosts
45%inclusion45 decks101 decks
42%synergy
Gravebreaker Lamia
44%inclusion44 decks101 decks
43%synergy
Ondu Spiritdancer
44%inclusion44 decks101 decks
38%synergy
Mystic Remora
43%inclusion43 decks101 decks
22%synergy
Victor, Valgavoth's Seneschal
41%inclusion41 decks101 decks
39%synergy
Timely Ward
40%inclusion40 decks101 decks
35%synergy
Darksteel Mutation
39%inclusion39 decks101 decks
33%synergy
Game Changers
Smothering Tithe
32%inclusion32 decks101 decks
1%synergy
Rhystic Study
30%inclusion30 decks101 decks
-1%synergy
Enlightened Tutor
18%inclusion18 decks101 decks
-1%synergy
Demonic Tutor
12%inclusion12 decks101 decks
-8%synergy
Mana Vault
11%inclusion11 decks101 decks
2%synergy
Fierce Guardianship
11%inclusion11 decks101 decks
-9%synergy
Teferi's Protection
10%inclusion10 decks101 decks
-6%synergy
Ancient Tomb
10%inclusion10 decks101 decks
-2%synergy
Cyclonic Rift
10%inclusion10 decks101 decks
-13%synergy
Thassa's Oracle
8.9%inclusion9 decks101 decks
0%synergy
Creatures
Pearl-Ear, Imperial Advisor
39%inclusion39 decks101 decks
37%synergy
Kor Spiritdancer
37%inclusion37 decks101 decks
35%synergy
Demon of Fate's Design
37%inclusion37 decks101 decks
31%synergy
Scrabbling Skullcrab
36%inclusion36 decks101 decks
35%synergy
Sram, Senior Edificer
36%inclusion36 decks101 decks
31%synergy
Zur the Enchanter
33%inclusion33 decks101 decks
28%synergy
Overlord of the Floodpits
31%inclusion31 decks101 decks
27%synergy
Fear of Impostors
26%inclusion26 decks101 decks
24%synergy
Overlord of the Balemurk
26%inclusion26 decks101 decks
24%synergy
Fear of Sleep Paralysis
24%inclusion24 decks101 decks
19%synergy
Eriette of the Charmed Apple
24%inclusion24 decks101 decks
22%synergy
Arna Kennerüd, Skycaptain
23%inclusion23 decks101 decks
21%synergy
Eiganjo Dynastorian
20%inclusion3 decks15 decks
19%synergy
Light-Paws, Emperor's Voice
20%inclusion20 decks101 decks
19%synergy
Archon of Sun's Grace
20%inclusion20 decks101 decks
15%synergy
Heliod, the Radiant Dawn
18%inclusion18 decks101 decks
14%synergy
Zur, Eternal Schemer
18%inclusion18 decks101 decks
15%synergy
Bruna, Light of Alabaster
18%inclusion18 decks101 decks
17%synergy
Eidolon of Countless Battles
17%inclusion17 decks101 decks
16%synergy
Moon-Blessed Cleric
17%inclusion17 decks101 decks
12%synergy
Alseid of Life's Bounty
16%inclusion16 decks101 decks
15%synergy
Esper Sentinel
15%inclusion15 decks101 decks
-12%synergy
Sage of Mysteries
15%inclusion15 decks101 decks
15%synergy
Grim Guardian
15%inclusion15 decks101 decks
12%synergy
Ghostly Dancers
15%inclusion15 decks101 decks
12%synergy
Killian, Ink Duelist
15%inclusion15 decks101 decks
13%synergy
Silent Hallcreeper
14%inclusion14 decks101 decks
9%synergy
Hateful Eidolon
14%inclusion14 decks101 decks
13%synergy
Witch Enchanter
13%inclusion13 decks101 decks
6%synergy
Heliod's Pilgrim
13%inclusion13 decks101 decks
12%synergy
Enduring Curiosity
13%inclusion13 decks101 decks
5%synergy
Umbra Mystic
13%inclusion13 decks101 decks
12%synergy
Transcendent Envoy
13%inclusion13 decks101 decks
12%synergy
Twilight Diviner
12%inclusion3 decks25 decks
11%synergy
Nashi, Searcher in the Dark
12%inclusion12 decks101 decks
11%synergy
Danitha Capashen, Paragon
10%inclusion10 decks101 decks
6%synergy
Aminatou, Veil Piercer
10%inclusion10 decks101 decks
9%synergy
Mindwrack Harpy
10%inclusion10 decks101 decks
10%synergy
Summon: Yojimbo
9.1%inclusion3 decks33 decks
8%synergy
Hedron Crab
8.9%inclusion9 decks101 decks
8%synergy
Abdel Adrian, Gorion's Ward
8.9%inclusion9 decks101 decks
7%synergy
Overlord of the Mistmoors
7.9%inclusion8 decks101 decks
6%synergy
Sovereigns of Lost Alara
7.9%inclusion8 decks101 decks
8%synergy
Alela, Artful Provocateur
7.9%inclusion8 decks101 decks
5%synergy
Athreos, Shroud-Veiled
7.9%inclusion8 decks101 decks
4%synergy
Grand Abolisher
7.9%inclusion8 decks101 decks
-7%synergy
Starnheim Courser
6.9%inclusion7 decks101 decks
3%synergy
Katilda, Dawnhart Martyr
6.9%inclusion7 decks101 decks
7%synergy
Soaring Lightbringer
6.9%inclusion7 decks101 decks
3%synergy
Boggart Trawler
6.9%inclusion7 decks101 decks
4%synergy
Instants
Counterspell
27%inclusion27 decks101 decks
-15%synergy
Path to Exile
24%inclusion24 decks101 decks
-19%synergy
Otherworldly Gaze
23%inclusion23 decks101 decks
21%synergy
Arcane Denial
20%inclusion20 decks101 decks
-0%synergy
Frantic Search
19%inclusion19 decks101 decks
0%synergy
An Offer You Can't Refuse
19%inclusion19 decks101 decks
-9%synergy
Entomb
18%inclusion18 decks101 decks
11%synergy
Dark Ritual
18%inclusion18 decks101 decks
-2%synergy
Void Rend
18%inclusion18 decks101 decks
-17%synergy
Thirst for Meaning
16%inclusion16 decks101 decks
14%synergy
Dovin's Veto
15%inclusion15 decks101 decks
-11%synergy
Swan Song
15%inclusion15 decks101 decks
-5%synergy
Fell the Profane
14%inclusion14 decks101 decks
5%synergy
Sink into Stupor
14%inclusion14 decks101 decks
1%synergy
Anguished Unmaking
12%inclusion12 decks101 decks
-14%synergy
Dawn's Truce
10%inclusion10 decks101 decks
5%synergy
Slip Out the Back
10%inclusion10 decks101 decks
9%synergy
Generous Gift
8.9%inclusion9 decks101 decks
-5%synergy
Negate
7.9%inclusion8 decks101 decks
-8%synergy
Brainstorm
7.9%inclusion8 decks101 decks
-9%synergy
Mana Drain
7.9%inclusion8 decks101 decks
-9%synergy
Inkshield
7.9%inclusion8 decks101 decks
-2%synergy
Vampiric Tutor
7.9%inclusion8 decks101 decks
-9%synergy
Tainted Pact
6.9%inclusion7 decks101 decks
0%synergy
Fact or Fiction
6.9%inclusion7 decks101 decks
3%synergy
Cabal Ritual
6.9%inclusion7 decks101 decks
4%synergy
Silence
6.9%inclusion7 decks101 decks
-3%synergy
Demonic Consultation
6.9%inclusion7 decks101 decks
-1%synergy
Faithful Mending
6.9%inclusion7 decks101 decks
3%synergy
Borne Upon a Wind
6.9%inclusion7 decks101 decks
2%synergy
Mystical Tutor
6.9%inclusion7 decks101 decks
-4%synergy
Intuition
5.9%inclusion6 decks101 decks
4%synergy
Consider
5.9%inclusion6 decks101 decks
4%synergy
Thought Scour
5.9%inclusion6 decks101 decks
5%synergy
Force of Will
5.9%inclusion6 decks101 decks
-6%synergy
Force of Negation
5.9%inclusion6 decks101 decks
-6%synergy
Sorceries
Sevinne's Reclamation
30%inclusion30 decks101 decks
21%synergy
Redress Fate
24%inclusion24 decks101 decks
18%synergy
Singularity Rupture
22%inclusion7 decks32 decks
20%synergy
Windfall
20%inclusion20 decks101 decks
7%synergy
Winds of Rath
19%inclusion19 decks101 decks
16%synergy
Extinguish All Hope
19%inclusion19 decks101 decks
17%synergy
Resurgent Belief
14%inclusion14 decks101 decks
12%synergy
Retether
14%inclusion14 decks101 decks
13%synergy
Open the Armory
12%inclusion12 decks101 decks
8%synergy
Idyllic Tutor
12%inclusion12 decks101 decks
8%synergy
Damn
11%inclusion11 decks101 decks
-9%synergy
Supreme Verdict
10%inclusion10 decks101 decks
-5%synergy
Space-Time Anomaly
10%inclusion3 decks31 decks
8%synergy
Time Wipe
8.9%inclusion9 decks101 decks
3%synergy
Toxic Deluge
8.9%inclusion9 decks101 decks
-11%synergy
Ponder
7.9%inclusion8 decks101 decks
-1%synergy
Unmarked Grave
7.9%inclusion8 decks101 decks
7%synergy
Glimpse the Unthinkable
7.9%inclusion8 decks101 decks
7%synergy
Replenish
6.9%inclusion7 decks101 decks
5%synergy
Reanimate
6.9%inclusion7 decks101 decks
-9%synergy
Traumatize
6.9%inclusion7 decks101 decks
6%synergy
Dance of the Manse
6.9%inclusion7 decks101 decks
4%synergy
Read the Bones
5.9%inclusion6 decks101 decks
2%synergy
Beseech the Mirror
5.9%inclusion6 decks101 decks
2%synergy
Utility Artifacts
Mesmeric Orb
16%inclusion16 decks101 decks
15%synergy
Swiftfoot Boots
14%inclusion14 decks101 decks
-10%synergy
Wayfarer's Bauble
8.9%inclusion9 decks101 decks
2%synergy
Wishclaw Talisman
8.9%inclusion9 decks101 decks
1%synergy
The One Ring
7.9%inclusion8 decks101 decks
-5%synergy
Perpetual Timepiece
6.9%inclusion7 decks101 decks
7%synergy
Enchantments
Dress Down
38%inclusion38 decks101 decks
35%synergy
Glasswing Grace
37%inclusion37 decks101 decks
34%synergy
Sigil of the Empty Throne
36%inclusion36 decks101 decks
30%synergy
Steel of the Godhead
36%inclusion36 decks101 decks
32%synergy
Grasp of Fate
35%inclusion35 decks101 decks
29%synergy
Sphere of Safety
35%inclusion35 decks101 decks
25%synergy
Cemetery Tampering
35%inclusion35 decks101 decks
34%synergy
Mirrormade
34%inclusion34 decks101 decks
24%synergy
Daybreak Coronet
33%inclusion33 decks101 decks
31%synergy
Necromancy
31%inclusion31 decks101 decks
26%synergy
Secret Arcade // Dusty Parlor
30%inclusion30 decks101 decks
25%synergy
Aqueous Form
29%inclusion29 decks101 decks
26%synergy
Propaganda
29%inclusion29 decks101 decks
-0%synergy
Eldrazi Conscription
28%inclusion28 decks101 decks
26%synergy
Combat Research
28%inclusion28 decks101 decks
25%synergy
Imprisoned in the Moon
27%inclusion27 decks101 decks
20%synergy
Seal of Cleansing
27%inclusion27 decks101 decks
25%synergy
Changing Loyalty
27%inclusion4 decks15 decks
26%synergy
Estrid's Invocation
26%inclusion26 decks101 decks
21%synergy
Spirit Mantle
26%inclusion26 decks101 decks
25%synergy
Auramancer's Guise
25%inclusion25 decks101 decks
24%synergy
Cacophony Unleashed
24%inclusion24 decks101 decks
22%synergy
Kaya's Ghostform
22%inclusion22 decks101 decks
19%synergy
Ghostly Prison
22%inclusion22 decks101 decks
-1%synergy
Battle Mastery
21%inclusion21 decks101 decks
20%synergy
Staggering Insight
20%inclusion20 decks101 decks
18%synergy
Songbirds' Blessing
20%inclusion20 decks101 decks
19%synergy
Copy Enchantment
20%inclusion20 decks101 decks
15%synergy
Unable to Scream
19%inclusion19 decks101 decks
18%synergy
Stillness in Motion
18%inclusion7 decks39 decks
18%synergy
Idolized
18%inclusion18 decks101 decks
17%synergy
Starfield of Nyx
18%inclusion18 decks101 decks
14%synergy
The Tale of Tamiyo
18%inclusion18 decks101 decks
17%synergy
Monologue Tax
18%inclusion18 decks101 decks
11%synergy
Eaten by Piranhas
18%inclusion18 decks101 decks
17%synergy
Dance of the Dead
17%inclusion17 decks101 decks
15%synergy
Shark Typhoon
16%inclusion16 decks101 decks
10%synergy
Curator's Ward
16%inclusion16 decks101 decks
13%synergy
Super State
16%inclusion5 decks32 decks
14%synergy
Tempest Technique
15%inclusion6 decks39 decks
15%synergy
Hyena Umbra
15%inclusion15 decks101 decks
14%synergy
Black Market Connections
15%inclusion15 decks101 decks
-0%synergy
Eel Umbra
14%inclusion14 decks101 decks
13%synergy
Witness Protection
14%inclusion14 decks101 decks
12%synergy
The Meathook Massacre
13%inclusion13 decks101 decks
10%synergy
Shardmage's Rescue
13%inclusion13 decks101 decks
12%synergy
Secrets of the Dead
13%inclusion13 decks101 decks
13%synergy
Dog Umbra
13%inclusion13 decks101 decks
13%synergy
Teval's Judgment
13%inclusion5 decks39 decks
12%synergy
Defiled Crypt // Cadaver Lab
12%inclusion12 decks98 decks
12%synergy
Battles
Invasion of Theros
15%inclusion15 decks101 decks
13%synergy
Utility Lands
Hall of Heliod's Generosity
52%inclusion53 decks101 decks
40%synergy
Bojuka Bog
41%inclusion41 decks101 decks
14%synergy
Otawara, Soaring City
15%inclusion15 decks101 decks
-4%synergy
Rogue's Passage
14%inclusion14 decks101 decks
4%synergy
Adagia, Windswept Bastion
13%inclusion4 decks32 decks
10%synergy
Halimar Depths
10%inclusion10 decks101 decks
5%synergy
Urza's Saga
8.9%inclusion9 decks101 decks
-3%synergy
Serra's Sanctum
7.9%inclusion8 decks101 decks
6%synergy
Takenuma, Abandoned Mire
7.9%inclusion8 decks101 decks
2%synergy
Cephalid Coliseum
7.9%inclusion8 decks101 decks
4%synergy
Reliquary Tower
6.9%inclusion7 decks101 decks
-27%synergy
Susur Secundi, Void Altar
6.3%inclusion2 decks32 decks
5%synergy
Ishgard, the Holy See
6.1%inclusion2 decks33 decks
3%synergy
Emergence Zone
5.9%inclusion6 decks101 decks
4%synergy
Mana Artifacts
Arcane Signet
88%inclusion89 decks101 decks
0%synergy
Sol Ring
85%inclusion86 decks101 decks
-5%synergy
Talisman of Progress
51%inclusion52 decks101 decks
7%synergy
Talisman of Dominance
50%inclusion50 decks101 decks
-1%synergy
Talisman of Hierarchy
47%inclusion47 decks101 decks
2%synergy
Azorius Signet
39%inclusion39 decks101 decks
9%synergy
Orzhov Signet
35%inclusion35 decks101 decks
3%synergy
Fellwar Stone
31%inclusion31 decks101 decks
-2%synergy
Dimir Signet
24%inclusion24 decks101 decks
-6%synergy
Commander's Sphere
13%inclusion13 decks101 decks
-4%synergy
Mind Stone
13%inclusion13 decks101 decks
1%synergy
Chromatic Lantern
7.9%inclusion8 decks101 decks
-5%synergy
Lotus Petal
6.9%inclusion7 decks101 decks
-3%synergy
Thran Dynamo
5.9%inclusion6 decks101 decks
2%synergy
Mox Opal
5.9%inclusion6 decks101 decks
-2%synergy
Chrome Mox
5.9%inclusion6 decks101 decks
-3%synergy
Mox Diamond
5.9%inclusion6 decks101 decks
-1%synergy
Lands
Command Tower
93%inclusion94 decks101 decks
0%synergy
Island
92%inclusion93 decks101 decks
-1%synergy
Plains
92%inclusion93 decks101 decks
0%synergy
Swamp
89%inclusion90 decks101 decks
-3%synergy
Adarkar Wastes
58%inclusion59 decks101 decks
26%synergy
Arcane Sanctum
57%inclusion58 decks101 decks
3%synergy
Caves of Koilos
53%inclusion54 decks101 decks
18%synergy
Hallowed Fountain
50%inclusion51 decks101 decks
-1%synergy
Underground River
50%inclusion50 decks101 decks
15%synergy
Watery Grave
49%inclusion49 decks101 decks
-3%synergy
Godless Shrine
48%inclusion48 decks101 decks
-4%synergy
Exotic Orchard
47%inclusion47 decks101 decks
-12%synergy
Flooded Strand
40%inclusion40 decks101 decks
1%synergy
Glacial Fortress
38%inclusion38 decks101 decks
-6%synergy
Valgavoth's Lair
38%inclusion38 decks101 decks
35%synergy
Isolated Chapel
38%inclusion38 decks101 decks
-4%synergy
Meticulous Archive
38%inclusion38 decks101 decks
24%synergy
Glasswing Grace
37%inclusion37 decks101 decks
34%synergy
Raffine's Tower
37%inclusion37 decks101 decks
-4%synergy
Vault of Champions
35%inclusion35 decks101 decks
2%synergy
Shadowy Backstreet
34%inclusion34 decks101 decks
21%synergy
Drowned Catacomb
34%inclusion34 decks101 decks
-5%synergy
Polluted Delta
34%inclusion34 decks101 decks
-4%synergy
Sea of Clouds
33%inclusion33 decks101 decks
-2%synergy
Undercity Sewers
31%inclusion31 decks101 decks
16%synergy
Evolving Wilds
31%inclusion31 decks101 decks
6%synergy
Marsh Flats
30%inclusion30 decks101 decks
-6%synergy
Terramorphic Expanse
28%inclusion28 decks101 decks
12%synergy
Contaminated Landscape
27%inclusion27 decks101 decks
13%synergy
Prairie Stream
27%inclusion27 decks101 decks
-14%synergy
Azorius Chancery
26%inclusion26 decks101 decks
13%synergy
Obscura Storefront
26%inclusion26 decks101 decks
17%synergy
Morphic Pool
25%inclusion25 decks101 decks
-9%synergy
Deserted Beach
24%inclusion24 decks101 decks
3%synergy
Orzhov Basilica
23%inclusion23 decks101 decks
8%synergy
Temple of Deceit
21%inclusion21 decks101 decks
4%synergy
Dimir Aqueduct
21%inclusion21 decks101 decks
8%synergy
Temple of Enlightenment
21%inclusion21 decks101 decks
5%synergy
Sunken Hollow
20%inclusion20 decks101 decks
-20%synergy
Tainted Field
19%inclusion19 decks101 decks
12%synergy
Ash Barrens
19%inclusion19 decks101 decks
8%synergy
Shipwreck Marsh
19%inclusion19 decks101 decks
-2%synergy
Tainted Isle
18%inclusion18 decks101 decks
12%synergy
Temple of Silence
18%inclusion18 decks101 decks
-0%synergy
Mystic Gate
16%inclusion16 decks101 decks
10%synergy
Fetid Heath
15%inclusion15 decks101 decks
1%synergy
Gloomlake Verge
15%inclusion15 decks101 decks
4%synergy
Fell the Profane
14%inclusion14 decks101 decks
5%synergy
Fabled Passage
14%inclusion14 decks101 decks
6%synergy
Sink into Stupor
14%inclusion14 decks101 decks
1%synergy
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