The Master of Keys (Commander) - Sagas

The Master of Keys
Rank #300
28decks
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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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Eiganjo Dynastorian
25%inclusion2 decks8 decks
24%synergy
Grave Researcher
13%inclusion1 decks8 decks
10%synergy
Turbulent Moor
13%inclusion1 decks8 decks
10%synergy
High Synergy Cards
Inquisitive Glimmer
68%inclusion19 decks28 decks
61%synergy
Ballad of the Black Flag
61%inclusion17 decks28 decks
60%synergy
King Narfi's Betrayal
57%inclusion16 decks28 decks
57%synergy
The Tale of Tamiyo
57%inclusion16 decks28 decks
57%synergy
The Eldest Reborn
54%inclusion15 decks28 decks
51%synergy
Elspeth Conquers Death
50%inclusion14 decks28 decks
49%synergy
Mesa Enchantress
54%inclusion15 decks28 decks
45%synergy
Doomwake Giant
50%inclusion14 decks28 decks
44%synergy
Starfield Mystic
50%inclusion14 decks28 decks
44%synergy
Demon of Fate's Design
46%inclusion13 decks28 decks
41%synergy
Top Cards
Swords to Plowshares
43%inclusion12 decks28 decks
-25%synergy
Scrabbling Skullcrab
39%inclusion11 decks28 decks
38%synergy
The Cruelty of Gix
39%inclusion11 decks28 decks
39%synergy
Gravebreaker Lamia
39%inclusion11 decks28 decks
38%synergy
Kiora Bests the Sea God
39%inclusion11 decks28 decks
39%synergy
Sphere of Safety
39%inclusion11 decks28 decks
30%synergy
The Restoration of Eiganjo
39%inclusion11 decks28 decks
39%synergy
Entity Tracker
39%inclusion11 decks28 decks
33%synergy
Dance of the Manse
39%inclusion11 decks28 decks
36%synergy
Summon: Yojimbo
38%inclusion5 decks13 decks
37%synergy
Game Changers
Rhystic Study
36%inclusion10 decks28 decks
5%synergy
Smothering Tithe
32%inclusion9 decks28 decks
2%synergy
Demonic Tutor
14%inclusion4 decks28 decks
-6%synergy
Enlightened Tutor
14%inclusion4 decks28 decks
-5%synergy
The One Ring
11%inclusion3 decks28 decks
-2%synergy
Fierce Guardianship
11%inclusion3 decks28 decks
-10%synergy
Mystical Tutor
7.1%inclusion2 decks28 decks
-4%synergy
Creatures
Ondu Spiritdancer
32%inclusion9 decks28 decks
26%synergy
Summon: Bahamut
31%inclusion4 decks13 decks
29%synergy
Summon: Ixion
31%inclusion4 decks13 decks
31%synergy
Overlord of the Floodpits
29%inclusion8 decks28 decks
25%synergy
Victor, Valgavoth's Seneschal
29%inclusion8 decks28 decks
27%synergy
Fear of Sleep Paralysis
29%inclusion8 decks28 decks
24%synergy
Aminatou, Veil Piercer
29%inclusion8 decks28 decks
27%synergy
Ian Chesterton
25%inclusion7 decks28 decks
25%synergy
Archon of Sun's Grace
25%inclusion7 decks28 decks
21%synergy
Fear of Impostors
25%inclusion7 decks28 decks
24%synergy
Enduring Curiosity
25%inclusion7 decks28 decks
17%synergy
Ghostly Dancers
25%inclusion7 decks28 decks
23%synergy
Summon: Valefor
23%inclusion3 decks13 decks
23%synergy
Starnheim Courser
21%inclusion6 decks28 decks
18%synergy
Barbara Wright
21%inclusion6 decks28 decks
21%synergy
Overlord of the Mistmoors
21%inclusion6 decks28 decks
19%synergy
Hex Parasite
21%inclusion6 decks28 decks
20%synergy
Scholar of New Horizons
18%inclusion5 decks28 decks
17%synergy
Flux Channeler
18%inclusion5 decks28 decks
17%synergy
Zur the Enchanter
18%inclusion5 decks28 decks
13%synergy
Summon: Shiva
15%inclusion2 decks13 decks
15%synergy
Summon: Leviathan
15%inclusion2 decks13 decks
15%synergy
Summon: Knights of Round
15%inclusion2 decks13 decks
13%synergy
Overlord of the Balemurk
14%inclusion4 decks28 decks
12%synergy
Soaring Lightbringer
14%inclusion4 decks28 decks
10%synergy
Silent Hallcreeper
14%inclusion4 decks28 decks
10%synergy
Ashiok's Reaper
14%inclusion4 decks28 decks
14%synergy
Moon-Blessed Cleric
14%inclusion4 decks28 decks
10%synergy
Vega, the Watcher
14%inclusion4 decks28 decks
12%synergy
Enduring Innocence
14%inclusion4 decks28 decks
13%synergy
Jin-Gitaxias
14%inclusion4 decks28 decks
12%synergy
Grim Guardian
14%inclusion4 decks28 decks
12%synergy
Mindwrack Harpy
14%inclusion4 decks28 decks
14%synergy
Goldberry, River-Daughter
14%inclusion4 decks28 decks
14%synergy
Vampire Hexmage
14%inclusion4 decks28 decks
14%synergy
Fear of Infinity
11%inclusion3 decks28 decks
10%synergy
Stenn, Paranoid Partisan
11%inclusion3 decks28 decks
9%synergy
Phenax, God of Deception
11%inclusion3 decks28 decks
10%synergy
Erebos, God of the Dead
11%inclusion3 decks28 decks
9%synergy
Thassa, Deep-Dwelling
11%inclusion3 decks28 decks
9%synergy
Sage of Mysteries
11%inclusion3 decks28 decks
10%synergy
Enduring Tenacity
11%inclusion3 decks28 decks
3%synergy
Balemurk Leech
11%inclusion3 decks28 decks
10%synergy
Sun Titan
11%inclusion3 decks28 decks
3%synergy
Heliod, the Radiant Dawn
11%inclusion3 decks28 decks
7%synergy
Zur, Eternal Schemer
11%inclusion3 decks28 decks
8%synergy
Chisei, Heart of Oceans
11%inclusion3 decks28 decks
11%synergy
Shredder, Shadow Master
10%inclusion1 decks10 decks
6%synergy
Twilight Diviner
8.3%inclusion1 decks12 decks
7%synergy
Voice of Victory
7.7%inclusion1 decks13 decks
-1%synergy
Instants
Path to Exile
25%inclusion7 decks28 decks
-17%synergy
Arcane Denial
21%inclusion6 decks28 decks
1%synergy
Counterspell
21%inclusion6 decks28 decks
-20%synergy
Entomb
14%inclusion4 decks28 decks
8%synergy
Frantic Search
11%inclusion3 decks28 decks
-8%synergy
Dovin's Veto
11%inclusion3 decks28 decks
-15%synergy
An Offer You Can't Refuse
11%inclusion3 decks28 decks
-17%synergy
Void Rend
11%inclusion3 decks28 decks
-24%synergy
Mana Drain
11%inclusion3 decks28 decks
-7%synergy
Generous Gift
11%inclusion3 decks28 decks
-3%synergy
Unexpected Assistance
7.7%inclusion1 decks13 decks
8%synergy
Fuel for the Cause
7.1%inclusion2 decks28 decks
7%synergy
Swan Song
7.1%inclusion2 decks28 decks
-13%synergy
Glimmerburst
7.1%inclusion2 decks28 decks
7%synergy
Anguished Unmaking
7.1%inclusion2 decks28 decks
-19%synergy
Inkshield
7.1%inclusion2 decks28 decks
-3%synergy
Sorceries
Redress Fate
36%inclusion10 decks28 decks
30%synergy
Space-Time Anomaly
23%inclusion3 decks13 decks
22%synergy
Brilliant Restoration
21%inclusion6 decks28 decks
20%synergy
Resurgent Belief
18%inclusion5 decks28 decks
16%synergy
Supreme Verdict
14%inclusion4 decks28 decks
0%synergy
Sevinne's Reclamation
14%inclusion4 decks28 decks
5%synergy
Idyllic Tutor
14%inclusion4 decks28 decks
10%synergy
Windfall
11%inclusion3 decks28 decks
-2%synergy
Open the Vaults
11%inclusion3 decks28 decks
9%synergy
Toxic Deluge
11%inclusion3 decks28 decks
-9%synergy
Traumatize
11%inclusion3 decks28 decks
10%synergy
Search for Glory
11%inclusion3 decks28 decks
11%synergy
Singularity Rupture
7.7%inclusion1 decks13 decks
5%synergy
Waterbending Lesson
7.7%inclusion1 decks13 decks
8%synergy
Aether Snap
7.1%inclusion2 decks28 decks
7%synergy
Wrath of God
7.1%inclusion2 decks28 decks
3%synergy
Time Wipe
7.1%inclusion2 decks28 decks
1%synergy
Terminus
7.1%inclusion2 decks28 decks
3%synergy
Cleansing Meditation
7.1%inclusion2 decks28 decks
7%synergy
Reanimate
7.1%inclusion2 decks28 decks
-9%synergy
Diresight
7.1%inclusion2 decks28 decks
7%synergy
Enduring Ideal
7.1%inclusion2 decks28 decks
7%synergy
Breach the Multiverse
7.1%inclusion2 decks28 decks
5%synergy
Utility Artifacts
Power Conduit
25%inclusion7 decks28 decks
24%synergy
Mesmeric Orb
18%inclusion5 decks28 decks
17%synergy
Cloud Key
18%inclusion5 decks28 decks
15%synergy
Swiftfoot Boots
14%inclusion4 decks28 decks
-10%synergy
Lightning Greaves
14%inclusion4 decks28 decks
-8%synergy
Wayfarer's Bauble
11%inclusion3 decks28 decks
3%synergy
Helm of the Gods
7.1%inclusion2 decks28 decks
6%synergy
Crystal Chimes
7.1%inclusion2 decks28 decks
7%synergy
Enchantments
Mirrormade
36%inclusion10 decks28 decks
26%synergy
Michiko's Reign of Truth
36%inclusion10 decks28 decks
35%synergy
The Bath Song
32%inclusion9 decks28 decks
32%synergy
One Ring to Rule Them All
32%inclusion9 decks28 decks
32%synergy
Secret Arcade // Dusty Parlor
32%inclusion9 decks28 decks
28%synergy
Battle at the Helvault
29%inclusion8 decks28 decks
28%synergy
Birth of the Imperium
29%inclusion8 decks28 decks
27%synergy
Mystic Remora
29%inclusion8 decks28 decks
8%synergy
Starfield of Nyx
29%inclusion8 decks28 decks
25%synergy
Cemetery Tampering
29%inclusion8 decks28 decks
28%synergy
Scroll of Isildur
29%inclusion8 decks28 decks
28%synergy
Tale of Tinúviel
29%inclusion8 decks28 decks
29%synergy
Inventive Iteration
29%inclusion8 decks28 decks
28%synergy
Phyrexian Scriptures
25%inclusion7 decks28 decks
24%synergy
The Birth of Meletis
25%inclusion7 decks28 decks
25%synergy
Ripples of Undeath
25%inclusion7 decks28 decks
22%synergy
Sigil of the Empty Throne
25%inclusion7 decks28 decks
19%synergy
The War in Heaven
25%inclusion7 decks28 decks
25%synergy
The Phasing of Zhalfir
25%inclusion7 decks28 decks
25%synergy
Estrid's Invocation
25%inclusion7 decks28 decks
20%synergy
Historian's Boon
25%inclusion7 decks28 decks
25%synergy
Tymaret Calls the Dead
21%inclusion6 decks28 decks
21%synergy
Genesis of the Daleks
21%inclusion6 decks28 decks
21%synergy
The Creation of Avacyn
21%inclusion6 decks28 decks
21%synergy
Love Song of Night and Day
21%inclusion6 decks28 decks
21%synergy
The Modern Age
21%inclusion6 decks28 decks
21%synergy
Animate Dead
21%inclusion6 decks28 decks
12%synergy
Polluted Cistern // Dim Oubliette
21%inclusion6 decks28 decks
21%synergy
Medomai's Prophecy
21%inclusion6 decks28 decks
21%synergy
Propaganda
21%inclusion6 decks28 decks
-7%synergy
Darksteel Mutation
18%inclusion5 decks28 decks
12%synergy
Dance of the Dead
18%inclusion5 decks28 decks
16%synergy
Court of Cunning
18%inclusion5 decks28 decks
17%synergy
Necromancy
18%inclusion5 decks28 decks
13%synergy
The Trickster-God's Heist
18%inclusion5 decks28 decks
18%synergy
Time of Ice
18%inclusion5 decks28 decks
18%synergy
Seal of Cleansing
18%inclusion5 decks28 decks
16%synergy
Secrets of the Dead
18%inclusion5 decks28 decks
18%synergy
Black Market Connections
18%inclusion5 decks28 decks
3%synergy
Ethereal Armor
18%inclusion5 decks28 decks
13%synergy
Fall of the First Civilization
18%inclusion5 decks28 decks
18%synergy
Ghostly Prison
18%inclusion5 decks28 decks
-5%synergy
Blink
18%inclusion5 decks28 decks
18%synergy
Elspeth's Nightmare
18%inclusion5 decks28 decks
18%synergy
Stillness in Motion
15%inclusion2 decks13 decks
15%synergy
The Death of Gwen Stacy
15%inclusion2 decks13 decks
15%synergy
Imprisoned in the Moon
14%inclusion4 decks28 decks
8%synergy
Behold the Unspeakable
14%inclusion4 decks28 decks
14%synergy
Blind Obedience
14%inclusion4 decks28 decks
2%synergy
The Long Reach of Night
14%inclusion4 decks28 decks
14%synergy
Battles
Invasion of Theros
14%inclusion4 decks28 decks
13%synergy
Invasion of Fiora
7.1%inclusion2 decks28 decks
7%synergy
Utility Lands
Hall of Heliod's Generosity
50%inclusion14 decks28 decks
37%synergy
Bojuka Bog
25%inclusion7 decks28 decks
-2%synergy
Reliquary Tower
21%inclusion6 decks28 decks
-13%synergy
Rogue's Passage
21%inclusion6 decks28 decks
12%synergy
Urza's Saga
18%inclusion5 decks28 decks
6%synergy
Karn's Bastion
18%inclusion5 decks28 decks
17%synergy
Nesting Grounds
18%inclusion5 decks28 decks
17%synergy
Monumental Henge
14%inclusion4 decks28 decks
13%synergy
Temple of the False God
14%inclusion4 decks28 decks
6%synergy
Halimar Depths
11%inclusion3 decks28 decks
6%synergy
Adagia, Windswept Bastion
7.7%inclusion1 decks13 decks
5%synergy
Roadside Reliquary
7.1%inclusion2 decks28 decks
7%synergy
Blighted Cataract
7.1%inclusion2 decks28 decks
7%synergy
Takenuma, Abandoned Mire
7.1%inclusion2 decks28 decks
1%synergy
Otawara, Soaring City
7.1%inclusion2 decks28 decks
-12%synergy
Mana Artifacts
Arcane Signet
93%inclusion26 decks28 decks
5%synergy
Sol Ring
93%inclusion26 decks28 decks
3%synergy
Azorius Signet
57%inclusion16 decks28 decks
27%synergy
Dimir Signet
54%inclusion15 decks28 decks
23%synergy
Orzhov Signet
54%inclusion15 decks28 decks
22%synergy
Talisman of Dominance
50%inclusion14 decks28 decks
0%synergy
Talisman of Hierarchy
50%inclusion14 decks28 decks
5%synergy
Talisman of Progress
43%inclusion12 decks28 decks
-1%synergy
Fellwar Stone
32%inclusion9 decks28 decks
-1%synergy
Mind Stone
25%inclusion7 decks28 decks
13%synergy
Commander's Sphere
18%inclusion5 decks28 decks
0%synergy
Chromatic Lantern
18%inclusion5 decks28 decks
5%synergy
Thought Vessel
14%inclusion4 decks28 decks
-11%synergy
Sky Diamond
7.1%inclusion2 decks28 decks
6%synergy
Basalt Monolith
7.1%inclusion2 decks28 decks
5%synergy
Lands
Swamp
96%inclusion27 decks28 decks
5%synergy
Island
96%inclusion27 decks28 decks
3%synergy
Plains
96%inclusion27 decks28 decks
4%synergy
Command Tower
89%inclusion25 decks28 decks
-3%synergy
Arcane Sanctum
50%inclusion14 decks28 decks
-4%synergy
Terramorphic Expanse
43%inclusion12 decks28 decks
27%synergy
Exotic Orchard
43%inclusion12 decks28 decks
-16%synergy
Caves of Koilos
39%inclusion11 decks28 decks
4%synergy
Evolving Wilds
39%inclusion11 decks28 decks
15%synergy
Raffine's Tower
36%inclusion10 decks28 decks
-5%synergy
Marsh Flats
36%inclusion10 decks28 decks
0%synergy
Watery Grave
36%inclusion10 decks28 decks
-15%synergy
Godless Shrine
32%inclusion9 decks28 decks
-19%synergy
Contaminated Landscape
29%inclusion8 decks28 decks
15%synergy
Prairie Stream
29%inclusion8 decks28 decks
-12%synergy
Underground River
29%inclusion8 decks28 decks
-6%synergy
Hallowed Fountain
29%inclusion8 decks28 decks
-22%synergy
Flooded Strand
29%inclusion8 decks28 decks
-10%synergy
Isolated Chapel
25%inclusion7 decks28 decks
-17%synergy
Sunken Hollow
25%inclusion7 decks28 decks
-15%synergy
Adarkar Wastes
25%inclusion7 decks28 decks
-7%synergy
Polluted Delta
25%inclusion7 decks28 decks
-13%synergy
Deserted Beach
25%inclusion7 decks28 decks
4%synergy
Glacial Fortress
21%inclusion6 decks28 decks
-22%synergy
Shipwreck Marsh
21%inclusion6 decks28 decks
1%synergy
Drowned Catacomb
21%inclusion6 decks28 decks
-17%synergy
Temple of Enlightenment
21%inclusion6 decks28 decks
6%synergy
Obscura Storefront
21%inclusion6 decks28 decks
12%synergy
Fabled Passage
18%inclusion5 decks28 decks
10%synergy
Shadowy Backstreet
18%inclusion5 decks28 decks
5%synergy
Valgavoth's Lair
18%inclusion5 decks28 decks
15%synergy
Meticulous Archive
18%inclusion5 decks28 decks
4%synergy
Vault of Champions
18%inclusion5 decks28 decks
-14%synergy
City of Brass
18%inclusion5 decks28 decks
3%synergy
Starting Town
15%inclusion2 decks13 decks
11%synergy
Fetid Heath
14%inclusion4 decks28 decks
1%synergy
Sea of Clouds
14%inclusion4 decks28 decks
-21%synergy
Morphic Pool
14%inclusion4 decks28 decks
-19%synergy
Shattered Sanctum
14%inclusion4 decks28 decks
-3%synergy
Undercity Sewers
11%inclusion3 decks28 decks
-4%synergy
Windswept Heath
11%inclusion3 decks28 decks
1%synergy
Irrigated Farmland
11%inclusion3 decks28 decks
4%synergy
Orzhov Basilica
11%inclusion3 decks28 decks
-4%synergy
Arid Mesa
11%inclusion3 decks28 decks
1%synergy
Neglected Manor
11%inclusion3 decks28 decks
10%synergy
Scalding Tarn
11%inclusion3 decks28 decks
0%synergy
Temple of Silence
11%inclusion3 decks28 decks
-8%synergy
Bloodstained Mire
11%inclusion3 decks28 decks
0%synergy
Tainted Isle
7.1%inclusion2 decks28 decks
1%synergy
Misty Rainforest
7.1%inclusion2 decks28 decks
-3%synergy
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