The Master of Keys (Commander) - Sagas

The Master of Keys
Rank #302
30decks
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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 Lands
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Inquisitive Glimmer
70%inclusion21 decks30 decks
63%synergy
Ballad of the Black Flag
57%inclusion17 decks30 decks
56%synergy
King Narfi's Betrayal
53%inclusion16 decks30 decks
53%synergy
The Tale of Tamiyo
53%inclusion16 decks30 decks
53%synergy
The Eldest Reborn
53%inclusion16 decks30 decks
51%synergy
Elspeth Conquers Death
47%inclusion14 decks30 decks
46%synergy
Mesa Enchantress
53%inclusion16 decks30 decks
45%synergy
Doomwake Giant
50%inclusion15 decks30 decks
44%synergy
Starfield Mystic
50%inclusion15 decks30 decks
44%synergy
Demon of Fate's Design
47%inclusion14 decks30 decks
41%synergy
Top Cards
Swords to Plowshares
43%inclusion13 decks30 decks
-24%synergy
Sphere of Safety
40%inclusion12 decks30 decks
31%synergy
Redress Fate
40%inclusion12 decks30 decks
35%synergy
Scrabbling Skullcrab
37%inclusion11 decks30 decks
36%synergy
The Cruelty of Gix
37%inclusion11 decks30 decks
36%synergy
Gravebreaker Lamia
37%inclusion11 decks30 decks
36%synergy
Mirrormade
37%inclusion11 decks30 decks
27%synergy
Kiora Bests the Sea God
37%inclusion11 decks30 decks
36%synergy
The Restoration of Eiganjo
37%inclusion11 decks30 decks
36%synergy
Entity Tracker
37%inclusion11 decks30 decks
31%synergy
Game Changers
Rhystic Study
33%inclusion10 decks30 decks
3%synergy
Smothering Tithe
30%inclusion9 decks30 decks
-0%synergy
Demonic Tutor
13%inclusion4 decks30 decks
-7%synergy
Enlightened Tutor
13%inclusion4 decks30 decks
-5%synergy
The One Ring
10%inclusion3 decks30 decks
-3%synergy
Fierce Guardianship
10%inclusion3 decks30 decks
-10%synergy
Mystical Tutor
6.7%inclusion2 decks30 decks
-4%synergy
Creatures
Fear of Sleep Paralysis
33%inclusion10 decks30 decks
28%synergy
Aminatou, Veil Piercer
33%inclusion10 decks30 decks
32%synergy
Summon: Yojimbo
33%inclusion5 decks15 decks
32%synergy
Overlord of the Floodpits
30%inclusion9 decks30 decks
27%synergy
Victor, Valgavoth's Seneschal
30%inclusion9 decks30 decks
28%synergy
Ondu Spiritdancer
30%inclusion9 decks30 decks
24%synergy
Enduring Curiosity
27%inclusion8 decks30 decks
19%synergy
Summon: Bahamut
27%inclusion4 decks15 decks
25%synergy
Summon: Ixion
27%inclusion4 decks15 decks
26%synergy
Summon: Valefor
27%inclusion4 decks15 decks
26%synergy
Ian Chesterton
23%inclusion7 decks30 decks
23%synergy
Archon of Sun's Grace
23%inclusion7 decks30 decks
19%synergy
Fear of Impostors
23%inclusion7 decks30 decks
22%synergy
Overlord of the Mistmoors
23%inclusion7 decks30 decks
21%synergy
Ghostly Dancers
23%inclusion7 decks30 decks
21%synergy
Starnheim Courser
20%inclusion6 decks30 decks
16%synergy
Barbara Wright
20%inclusion6 decks30 decks
20%synergy
Soaring Lightbringer
20%inclusion6 decks30 decks
16%synergy
Hex Parasite
20%inclusion6 decks30 decks
19%synergy
Eiganjo Dynastorian
20%inclusion2 decks10 decks
19%synergy
Scholar of New Horizons
17%inclusion5 decks30 decks
16%synergy
Overlord of the Balemurk
17%inclusion5 decks30 decks
15%synergy
Ashiok's Reaper
17%inclusion5 decks30 decks
16%synergy
Flux Channeler
17%inclusion5 decks30 decks
16%synergy
Enduring Innocence
17%inclusion5 decks30 decks
15%synergy
Zur the Enchanter
17%inclusion5 decks30 decks
12%synergy
Fear of Infinity
13%inclusion4 decks30 decks
13%synergy
Summon: Shiva
13%inclusion2 decks15 decks
13%synergy
Silent Hallcreeper
13%inclusion4 decks30 decks
9%synergy
Moon-Blessed Cleric
13%inclusion4 decks30 decks
9%synergy
Vega, the Watcher
13%inclusion4 decks30 decks
11%synergy
Enduring Tenacity
13%inclusion4 decks30 decks
6%synergy
Jin-Gitaxias
13%inclusion4 decks30 decks
11%synergy
Ancient Cellarspawn
13%inclusion4 decks30 decks
11%synergy
Grim Guardian
13%inclusion4 decks30 decks
11%synergy
Mindwrack Harpy
13%inclusion4 decks30 decks
13%synergy
Goldberry, River-Daughter
13%inclusion4 decks30 decks
13%synergy
Vampire Hexmage
13%inclusion4 decks30 decks
13%synergy
Summon: Primal Odin
13%inclusion2 decks15 decks
9%synergy
Summon: Leviathan
13%inclusion2 decks15 decks
13%synergy
Summon: Knights of Round
13%inclusion2 decks15 decks
11%synergy
Stenn, Paranoid Partisan
10%inclusion3 decks30 decks
9%synergy
Phenax, God of Deception
10%inclusion3 decks30 decks
10%synergy
Erebos, God of the Dead
10%inclusion3 decks30 decks
9%synergy
Thassa, Deep-Dwelling
10%inclusion3 decks30 decks
8%synergy
Fear of Surveillance
10%inclusion3 decks30 decks
10%synergy
Sage of Mysteries
10%inclusion3 decks30 decks
10%synergy
Skullsnap Nuisance
10%inclusion3 decks30 decks
10%synergy
Gremlin Tamer
10%inclusion3 decks30 decks
9%synergy
Balemurk Leech
10%inclusion3 decks30 decks
9%synergy
Instants
Arcane Denial
23%inclusion7 decks30 decks
3%synergy
Path to Exile
23%inclusion7 decks30 decks
-19%synergy
Counterspell
20%inclusion6 decks30 decks
-22%synergy
Entomb
13%inclusion4 decks30 decks
7%synergy
Frantic Search
10%inclusion3 decks30 decks
-9%synergy
Dovin's Veto
10%inclusion3 decks30 decks
-16%synergy
An Offer You Can't Refuse
10%inclusion3 decks30 decks
-18%synergy
Void Rend
10%inclusion3 decks30 decks
-25%synergy
Mana Drain
10%inclusion3 decks30 decks
-7%synergy
Generous Gift
10%inclusion3 decks30 decks
-4%synergy
Fuel for the Cause
6.7%inclusion2 decks30 decks
7%synergy
Thirst for Meaning
6.7%inclusion2 decks30 decks
5%synergy
Swan Song
6.7%inclusion2 decks30 decks
-13%synergy
Murder
6.7%inclusion2 decks30 decks
5%synergy
Glimmerburst
6.7%inclusion2 decks30 decks
6%synergy
Anguished Unmaking
6.7%inclusion2 decks30 decks
-19%synergy
Otherworldly Gaze
6.7%inclusion2 decks30 decks
5%synergy
Utter End
6.7%inclusion2 decks30 decks
0%synergy
Inkshield
6.7%inclusion2 decks30 decks
-3%synergy
Unexpected Assistance
6.7%inclusion1 decks15 decks
7%synergy
Sorceries
Dance of the Manse
37%inclusion11 decks30 decks
33%synergy
Brilliant Restoration
23%inclusion7 decks30 decks
22%synergy
Space-Time Anomaly
20%inclusion3 decks15 decks
18%synergy
Resurgent Belief
17%inclusion5 decks30 decks
15%synergy
Supreme Verdict
13%inclusion4 decks30 decks
-1%synergy
Sevinne's Reclamation
13%inclusion4 decks30 decks
4%synergy
Idyllic Tutor
13%inclusion4 decks30 decks
9%synergy
Windfall
10%inclusion3 decks30 decks
-3%synergy
Open the Vaults
10%inclusion3 decks30 decks
9%synergy
Terminus
10%inclusion3 decks30 decks
6%synergy
Toxic Deluge
10%inclusion3 decks30 decks
-10%synergy
Traumatize
10%inclusion3 decks30 decks
10%synergy
Search for Glory
10%inclusion3 decks30 decks
10%synergy
Aether Snap
6.7%inclusion2 decks30 decks
7%synergy
Wrath of God
6.7%inclusion2 decks30 decks
3%synergy
Time Wipe
6.7%inclusion2 decks30 decks
0%synergy
Cleansing Meditation
6.7%inclusion2 decks30 decks
6%synergy
Reanimate
6.7%inclusion2 decks30 decks
-10%synergy
Diresight
6.7%inclusion2 decks30 decks
6%synergy
Aminatou's Augury
6.7%inclusion2 decks30 decks
5%synergy
Enduring Ideal
6.7%inclusion2 decks30 decks
7%synergy
Breach the Multiverse
6.7%inclusion2 decks30 decks
5%synergy
Singularity Rupture
6.7%inclusion1 decks15 decks
4%synergy
Waterbending Lesson
6.7%inclusion1 decks15 decks
7%synergy
Utility Artifacts
Power Conduit
23%inclusion7 decks30 decks
23%synergy
Mesmeric Orb
17%inclusion5 decks30 decks
16%synergy
Cloud Key
17%inclusion5 decks30 decks
13%synergy
Swiftfoot Boots
13%inclusion4 decks30 decks
-11%synergy
Lightning Greaves
13%inclusion4 decks30 decks
-9%synergy
Wayfarer's Bauble
10%inclusion3 decks30 decks
3%synergy
Helm of the Gods
6.7%inclusion2 decks30 decks
6%synergy
Cursed Windbreaker
6.7%inclusion2 decks30 decks
7%synergy
Crystal Chimes
6.7%inclusion2 decks30 decks
6%synergy
Enchantments
Michiko's Reign of Truth
33%inclusion10 decks30 decks
33%synergy
Secret Arcade // Dusty Parlor
33%inclusion10 decks30 decks
29%synergy
The Bath Song
30%inclusion9 decks30 decks
30%synergy
One Ring to Rule Them All
30%inclusion9 decks30 decks
30%synergy
Battle at the Helvault
27%inclusion8 decks30 decks
27%synergy
Sigil of the Empty Throne
27%inclusion8 decks30 decks
21%synergy
Birth of the Imperium
27%inclusion8 decks30 decks
25%synergy
Mystic Remora
27%inclusion8 decks30 decks
6%synergy
Starfield of Nyx
27%inclusion8 decks30 decks
23%synergy
Cemetery Tampering
27%inclusion8 decks30 decks
26%synergy
Scroll of Isildur
27%inclusion8 decks30 decks
27%synergy
Tale of Tinúviel
27%inclusion8 decks30 decks
27%synergy
Inventive Iteration
27%inclusion8 decks30 decks
26%synergy
Phyrexian Scriptures
23%inclusion7 decks30 decks
23%synergy
The Birth of Meletis
23%inclusion7 decks30 decks
23%synergy
Ripples of Undeath
23%inclusion7 decks30 decks
21%synergy
The War in Heaven
23%inclusion7 decks30 decks
23%synergy
The Phasing of Zhalfir
23%inclusion7 decks30 decks
23%synergy
Estrid's Invocation
23%inclusion7 decks30 decks
19%synergy
Historian's Boon
23%inclusion7 decks30 decks
23%synergy
Polluted Cistern // Dim Oubliette
23%inclusion7 decks30 decks
23%synergy
Propaganda
23%inclusion7 decks30 decks
-6%synergy
Tymaret Calls the Dead
20%inclusion6 decks30 decks
20%synergy
Court of Cunning
20%inclusion6 decks30 decks
19%synergy
Genesis of the Daleks
20%inclusion6 decks30 decks
20%synergy
The Creation of Avacyn
20%inclusion6 decks30 decks
20%synergy
Love Song of Night and Day
20%inclusion6 decks30 decks
20%synergy
The Modern Age
20%inclusion6 decks30 decks
20%synergy
Animate Dead
20%inclusion6 decks30 decks
10%synergy
Ethereal Armor
20%inclusion6 decks30 decks
15%synergy
Medomai's Prophecy
20%inclusion6 decks30 decks
20%synergy
Darksteel Mutation
17%inclusion5 decks30 decks
11%synergy
Dance of the Dead
17%inclusion5 decks30 decks
15%synergy
Imprisoned in the Moon
17%inclusion5 decks30 decks
10%synergy
Necromancy
17%inclusion5 decks30 decks
12%synergy
The Trickster-God's Heist
17%inclusion5 decks30 decks
16%synergy
Time of Ice
17%inclusion5 decks30 decks
17%synergy
Seal of Cleansing
17%inclusion5 decks30 decks
15%synergy
Secrets of the Dead
17%inclusion5 decks30 decks
16%synergy
Bottomless Pool // Locker Room
17%inclusion5 decks30 decks
15%synergy
Black Market Connections
17%inclusion5 decks30 decks
2%synergy
Fall of the First Civilization
17%inclusion5 decks30 decks
17%synergy
Ghostly Prison
17%inclusion5 decks30 decks
-6%synergy
Blink
17%inclusion5 decks30 decks
17%synergy
Elspeth's Nightmare
17%inclusion5 decks30 decks
17%synergy
Grasp of Fate
13%inclusion4 decks30 decks
7%synergy
Cramped Vents // Access Maze
13%inclusion4 decks30 decks
11%synergy
Behold the Unspeakable
13%inclusion4 decks30 decks
13%synergy
Blind Obedience
13%inclusion4 decks30 decks
1%synergy
Surgical Suite // Hospital Room
13%inclusion4 decks30 decks
13%synergy
Battles
Invasion of Theros
13%inclusion4 decks30 decks
12%synergy
Invasion of Fiora
6.7%inclusion2 decks30 decks
7%synergy
Utility Lands
Hall of Heliod's Generosity
50%inclusion15 decks30 decks
37%synergy
Bojuka Bog
27%inclusion8 decks30 decks
-0%synergy
Reliquary Tower
20%inclusion6 decks30 decks
-14%synergy
Rogue's Passage
20%inclusion6 decks30 decks
10%synergy
Urza's Saga
17%inclusion5 decks30 decks
5%synergy
Karn's Bastion
17%inclusion5 decks30 decks
16%synergy
Nesting Grounds
17%inclusion5 decks30 decks
16%synergy
Halimar Depths
13%inclusion4 decks30 decks
9%synergy
Monumental Henge
13%inclusion4 decks30 decks
12%synergy
Temple of the False God
13%inclusion4 decks30 decks
5%synergy
Roadside Reliquary
6.7%inclusion2 decks30 decks
6%synergy
Blighted Cataract
6.7%inclusion2 decks30 decks
7%synergy
Takenuma, Abandoned Mire
6.7%inclusion2 decks30 decks
0%synergy
Otawara, Soaring City
6.7%inclusion2 decks30 decks
-12%synergy
Adagia, Windswept Bastion
6.7%inclusion1 decks15 decks
4%synergy
Mana Artifacts
Arcane Signet
93%inclusion28 decks30 decks
6%synergy
Sol Ring
93%inclusion28 decks30 decks
4%synergy
Orzhov Signet
53%inclusion16 decks30 decks
22%synergy
Azorius Signet
53%inclusion16 decks30 decks
24%synergy
Dimir Signet
50%inclusion15 decks30 decks
20%synergy
Talisman of Dominance
47%inclusion14 decks30 decks
-3%synergy
Talisman of Hierarchy
47%inclusion14 decks30 decks
2%synergy
Talisman of Progress
40%inclusion12 decks30 decks
-4%synergy
Fellwar Stone
30%inclusion9 decks30 decks
-3%synergy
Mind Stone
27%inclusion8 decks30 decks
15%synergy
Commander's Sphere
20%inclusion6 decks30 decks
3%synergy
Chromatic Lantern
17%inclusion5 decks30 decks
4%synergy
Thought Vessel
13%inclusion4 decks30 decks
-12%synergy
Sky Diamond
6.7%inclusion2 decks30 decks
5%synergy
Basalt Monolith
6.7%inclusion2 decks30 decks
4%synergy
Lands
Swamp
97%inclusion29 decks30 decks
5%synergy
Island
97%inclusion29 decks30 decks
4%synergy
Plains
97%inclusion29 decks30 decks
5%synergy
Command Tower
90%inclusion27 decks30 decks
-3%synergy
Arcane Sanctum
53%inclusion16 decks30 decks
-1%synergy
Terramorphic Expanse
47%inclusion14 decks30 decks
31%synergy
Exotic Orchard
40%inclusion12 decks30 decks
-19%synergy
Caves of Koilos
40%inclusion12 decks30 decks
4%synergy
Evolving Wilds
40%inclusion12 decks30 decks
16%synergy
Raffine's Tower
33%inclusion10 decks30 decks
-7%synergy
Marsh Flats
33%inclusion10 decks30 decks
-3%synergy
Watery Grave
33%inclusion10 decks30 decks
-18%synergy
Godless Shrine
30%inclusion9 decks30 decks
-22%synergy
Underground River
30%inclusion9 decks30 decks
-5%synergy
Contaminated Landscape
27%inclusion8 decks30 decks
13%synergy
Prairie Stream
27%inclusion8 decks30 decks
-14%synergy
Adarkar Wastes
27%inclusion8 decks30 decks
-6%synergy
Hallowed Fountain
27%inclusion8 decks30 decks
-24%synergy
Flooded Strand
27%inclusion8 decks30 decks
-12%synergy
Isolated Chapel
23%inclusion7 decks30 decks
-19%synergy
Temple of Enlightenment
23%inclusion7 decks30 decks
8%synergy
Sunken Hollow
23%inclusion7 decks30 decks
-16%synergy
Obscura Storefront
23%inclusion7 decks30 decks
14%synergy
Polluted Delta
23%inclusion7 decks30 decks
-15%synergy
Deserted Beach
23%inclusion7 decks30 decks
3%synergy
Glacial Fortress
20%inclusion6 decks30 decks
-23%synergy
Shipwreck Marsh
20%inclusion6 decks30 decks
-1%synergy
Drowned Catacomb
20%inclusion6 decks30 decks
-18%synergy
Fabled Passage
17%inclusion5 decks30 decks
9%synergy
Shadowy Backstreet
17%inclusion5 decks30 decks
4%synergy
Valgavoth's Lair
17%inclusion5 decks30 decks
14%synergy
Meticulous Archive
17%inclusion5 decks30 decks
3%synergy
Vault of Champions
17%inclusion5 decks30 decks
-16%synergy
City of Brass
17%inclusion5 decks30 decks
1%synergy
Fetid Heath
13%inclusion4 decks30 decks
-0%synergy
Sea of Clouds
13%inclusion4 decks30 decks
-21%synergy
Orzhov Basilica
13%inclusion4 decks30 decks
-1%synergy
Morphic Pool
13%inclusion4 decks30 decks
-20%synergy
Shattered Sanctum
13%inclusion4 decks30 decks
-4%synergy
Neglected Manor
13%inclusion4 decks30 decks
13%synergy
Temple of Silence
13%inclusion4 decks30 decks
-5%synergy
Starting Town
13%inclusion2 decks15 decks
9%synergy
Tainted Isle
10%inclusion3 decks30 decks
4%synergy
Undercity Sewers
10%inclusion3 decks30 decks
-5%synergy
Azorius Chancery
10%inclusion3 decks30 decks
-3%synergy
Windswept Heath
10%inclusion3 decks30 decks
1%synergy
Temple of Deceit
10%inclusion3 decks30 decks
-7%synergy
Dimir Aqueduct
10%inclusion3 decks30 decks
-3%synergy
Irrigated Farmland
10%inclusion3 decks30 decks
3%synergy
Ash Barrens
10%inclusion3 decks30 decks
-1%synergy
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