The Master of Keys (Commander) - Good Stuff

The Master of Keys
Rank #300
27decks
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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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Grave Researcher
20%inclusion1 decks5 decks
18%synergy
Eiganjo Dynastorian
20%inclusion1 decks5 decks
19%synergy
Turbulent Moor
20%inclusion1 decks5 decks
17%synergy
High Synergy Cards
Animate Dead
85%inclusion23 decks27 decks
76%synergy
Necromancy
78%inclusion21 decks27 decks
73%synergy
Mystic Remora
85%inclusion23 decks27 decks
65%synergy
Ripples of Undeath
67%inclusion18 decks27 decks
64%synergy
Dance of the Dead
63%inclusion17 decks27 decks
61%synergy
Dress Down
59%inclusion16 decks27 decks
57%synergy
Entomb
63%inclusion17 decks27 decks
56%synergy
Inquisitive Glimmer
59%inclusion16 decks27 decks
52%synergy
The Meathook Massacre
52%inclusion14 decks27 decks
49%synergy
Abdel Adrian, Gorion's Ward
48%inclusion13 decks27 decks
46%synergy
Top Cards
Esper Sentinel
56%inclusion15 decks27 decks
28%synergy
Sevinne's Reclamation
48%inclusion13 decks27 decks
39%synergy
Blind Obedience
48%inclusion13 decks27 decks
36%synergy
Swan Song
48%inclusion13 decks27 decks
28%synergy
Amphibian Downpour
48%inclusion13 decks27 decks
44%synergy
Swords to Plowshares
48%inclusion13 decks27 decks
-20%synergy
Tinybones Joins Up
44%inclusion12 decks27 decks
43%synergy
Dark Ritual
44%inclusion12 decks27 decks
24%synergy
Entity Tracker
44%inclusion12 decks27 decks
38%synergy
Lotho, Corrupt Shirriff
41%inclusion11 decks27 decks
24%synergy
Game Changers
Smothering Tithe
74%inclusion20 decks27 decks
44%synergy
Rhystic Study
67%inclusion18 decks27 decks
36%synergy
Demonic Tutor
52%inclusion14 decks27 decks
32%synergy
Enlightened Tutor
48%inclusion13 decks27 decks
29%synergy
Force of Will
44%inclusion12 decks27 decks
32%synergy
Ancient Tomb
41%inclusion11 decks27 decks
28%synergy
Cyclonic Rift
41%inclusion11 decks27 decks
18%synergy
Orcish Bowmasters
41%inclusion11 decks27 decks
31%synergy
Vampiric Tutor
41%inclusion11 decks27 decks
24%synergy
Thassa's Oracle
37%inclusion10 decks27 decks
28%synergy
Creatures
Starfield Mystic
41%inclusion11 decks27 decks
34%synergy
Zur, Eternal Schemer
41%inclusion11 decks27 decks
38%synergy
Demon of Fate's Design
37%inclusion10 decks27 decks
32%synergy
Fear of Impostors
37%inclusion10 decks27 decks
36%synergy
Mesa Enchantress
37%inclusion10 decks27 decks
28%synergy
Grand Abolisher
37%inclusion10 decks27 decks
23%synergy
Gravebreaker Lamia
33%inclusion9 decks27 decks
32%synergy
Overlord of the Floodpits
33%inclusion9 decks27 decks
30%synergy
Overlord of the Balemurk
30%inclusion8 decks27 decks
28%synergy
Hedron Crab
30%inclusion8 decks27 decks
29%synergy
Ranger-Captain of Eos
30%inclusion8 decks27 decks
24%synergy
Ledger Shredder
30%inclusion8 decks27 decks
21%synergy
Voice of Victory
27%inclusion4 decks15 decks
18%synergy
Scrabbling Skullcrab
26%inclusion7 decks27 decks
25%synergy
Opposition Agent
26%inclusion7 decks27 decks
18%synergy
Valley Floodcaller
26%inclusion7 decks27 decks
22%synergy
Victor, Valgavoth's Seneschal
26%inclusion7 decks27 decks
24%synergy
Wan Shi Tong, Librarian
25%inclusion2 decks8 decks
20%synergy
Archivist of Oghma
22%inclusion6 decks27 decks
16%synergy
Silent Hallcreeper
22%inclusion6 decks27 decks
18%synergy
Overlord of the Mistmoors
22%inclusion6 decks27 decks
20%synergy
Fear of Sleep Paralysis
22%inclusion6 decks27 decks
17%synergy
Mockingbird
22%inclusion6 decks27 decks
18%synergy
Hullbreaker Horror
22%inclusion6 decks27 decks
16%synergy
Tataru Taru
20%inclusion3 decks15 decks
12%synergy
Summon: Yojimbo
20%inclusion3 decks15 decks
19%synergy
Stenn, Paranoid Partisan
19%inclusion5 decks27 decks
17%synergy
Enduring Curiosity
19%inclusion5 decks27 decks
11%synergy
Talion, the Kindly Lord
19%inclusion5 decks27 decks
11%synergy
Grim Guardian
19%inclusion5 decks27 decks
16%synergy
Heliod, the Radiant Dawn
19%inclusion5 decks27 decks
15%synergy
Ghostly Dancers
19%inclusion5 decks27 decks
16%synergy
Ondu Spiritdancer
19%inclusion5 decks27 decks
12%synergy
Lurrus of the Dream-Den
15%inclusion4 decks27 decks
13%synergy
Sage of Mysteries
15%inclusion4 decks27 decks
14%synergy
Soaring Lightbringer
15%inclusion4 decks27 decks
10%synergy
Moon-Blessed Cleric
15%inclusion4 decks27 decks
10%synergy
Angel of Suffering
15%inclusion4 decks27 decks
15%synergy
Doomwake Giant
15%inclusion4 decks27 decks
9%synergy
Auriok Salvagers
15%inclusion4 decks27 decks
15%synergy
Psychic Frog
15%inclusion4 decks27 decks
8%synergy
Dutiful Knowledge Seeker
13%inclusion1 decks8 decks
12%synergy
Koh, the Face Stealer
13%inclusion1 decks8 decks
12%synergy
Twilight Diviner
13%inclusion1 decks8 decks
11%synergy
Moonshadow
13%inclusion1 decks8 decks
12%synergy
Displacer Kitten
11%inclusion3 decks27 decks
4%synergy
Consecrated Sphinx
11%inclusion3 decks27 decks
5%synergy
Archon of Sun's Grace
11%inclusion3 decks27 decks
7%synergy
Doom Whisperer
11%inclusion3 decks27 decks
10%synergy
Balemurk Leech
11%inclusion3 decks27 decks
10%synergy
Instants
Silence
37%inclusion10 decks27 decks
27%synergy
Tainted Pact
33%inclusion9 decks27 decks
27%synergy
An Offer You Can't Refuse
33%inclusion9 decks27 decks
6%synergy
Mana Drain
33%inclusion9 decks27 decks
16%synergy
Flusterstorm
33%inclusion9 decks27 decks
25%synergy
Demonic Consultation
33%inclusion9 decks27 decks
26%synergy
Fierce Guardianship
33%inclusion9 decks27 decks
13%synergy
Mystical Tutor
33%inclusion9 decks27 decks
23%synergy
Mindbreak Trap
30%inclusion8 decks27 decks
23%synergy
Force of Negation
30%inclusion8 decks27 decks
18%synergy
Mental Misstep
26%inclusion7 decks27 decks
19%synergy
Cabal Ritual
26%inclusion7 decks27 decks
23%synergy
Borne Upon a Wind
26%inclusion7 decks27 decks
21%synergy
Intuition
22%inclusion6 decks27 decks
21%synergy
Pact of Negation
22%inclusion6 decks27 decks
15%synergy
Chain of Vapor
19%inclusion5 decks27 decks
16%synergy
Into the Flood Maw
19%inclusion5 decks27 decks
15%synergy
Arcane Denial
19%inclusion5 decks27 decks
-2%synergy
Deadly Rollick
15%inclusion4 decks27 decks
-1%synergy
Dovin's Veto
15%inclusion4 decks27 decks
-11%synergy
Retraction Helix
15%inclusion4 decks27 decks
14%synergy
Sink into Stupor
15%inclusion4 decks27 decks
2%synergy
Sacrifice
11%inclusion3 decks27 decks
10%synergy
Drown in the Loch
11%inclusion3 decks27 decks
9%synergy
Lim-Dûl's Vault
11%inclusion3 decks27 decks
8%synergy
Brain Freeze
11%inclusion3 decks27 decks
11%synergy
Gifts Ungiven
11%inclusion3 decks27 decks
9%synergy
Darkblast
11%inclusion3 decks27 decks
11%synergy
Void Rend
11%inclusion3 decks27 decks
-24%synergy
Counterspell
11%inclusion3 decks27 decks
-31%synergy
Path to Exile
11%inclusion3 decks27 decks
-31%synergy
Muddle the Mixture
7.4%inclusion2 decks27 decks
4%synergy
Teferi's Protection
7.4%inclusion2 decks27 decks
-9%synergy
Tithe
7.4%inclusion2 decks27 decks
7%synergy
Negate
7.4%inclusion2 decks27 decks
-9%synergy
Brainstorm
7.4%inclusion2 decks27 decks
-9%synergy
Dawn's Truce
7.4%inclusion2 decks27 decks
3%synergy
Culling the Weak
7.4%inclusion2 decks27 decks
6%synergy
Angel's Grace
7.4%inclusion2 decks27 decks
5%synergy
Banishing Knack
7.4%inclusion2 decks27 decks
7%synergy
Ad Nauseam
7.4%inclusion2 decks27 decks
5%synergy
Otherworldly Gaze
7.4%inclusion2 decks27 decks
5%synergy
Visions of Beyond
7.4%inclusion2 decks27 decks
7%synergy
Inkshield
7.4%inclusion2 decks27 decks
-2%synergy
Saw in Half
7.4%inclusion2 decks27 decks
5%synergy
Sorceries
Windfall
30%inclusion8 decks27 decks
16%synergy
Imperial Seal
30%inclusion8 decks27 decks
23%synergy
Reanimate
26%inclusion7 decks27 decks
10%synergy
Replenish
19%inclusion5 decks27 decks
17%synergy
Toxic Deluge
19%inclusion5 decks27 decks
-1%synergy
Space-Time Anomaly
18%inclusion2 decks11 decks
17%synergy
Unmarked Grave
15%inclusion4 decks27 decks
14%synergy
Glimpse the Unthinkable
15%inclusion4 decks27 decks
14%synergy
Beseech the Mirror
15%inclusion4 decks27 decks
11%synergy
Winnowing
13%inclusion1 decks8 decks
12%synergy
Yawgmoth's Will
11%inclusion3 decks27 decks
10%synergy
Demonic Counsel
11%inclusion3 decks27 decks
10%synergy
Mnemonic Betrayal
11%inclusion3 decks27 decks
8%synergy
Redress Fate
11%inclusion3 decks27 decks
6%synergy
Flash Photography
11%inclusion1 decks9 decks
10%synergy
Diabolic Intent
7.4%inclusion2 decks27 decks
3%synergy
Lively Dirge
7.4%inclusion2 decks27 decks
6%synergy
Scheming Symmetry
7.4%inclusion2 decks27 decks
6%synergy
Damn
7.4%inclusion2 decks27 decks
-13%synergy
Traumatize
7.4%inclusion2 decks27 decks
7%synergy
Nuclear Fallout
7.4%inclusion2 decks27 decks
7%synergy
Dance of the Manse
7.4%inclusion2 decks27 decks
4%synergy
Utility Artifacts
The One Ring
30%inclusion8 decks27 decks
17%synergy
Wishclaw Talisman
30%inclusion8 decks27 decks
22%synergy
Mesmeric Orb
26%inclusion7 decks27 decks
25%synergy
Sensei's Divining Top
15%inclusion4 decks27 decks
5%synergy
Lightning Greaves
11%inclusion3 decks27 decks
-12%synergy
Isochron Scepter
11%inclusion3 decks27 decks
9%synergy
The Water Crystal
7.7%inclusion1 decks13 decks
6%synergy
Perpetual Timepiece
7.4%inclusion2 decks27 decks
7%synergy
Whip of Erebos
7.4%inclusion2 decks27 decks
5%synergy
Mask of the Schemer
7.4%inclusion2 decks27 decks
6%synergy
Agatha's Soul Cauldron
7.4%inclusion2 decks27 decks
7%synergy
Enchantments
Seal of Cleansing
37%inclusion10 decks27 decks
36%synergy
Cemetery Tampering
33%inclusion9 decks27 decks
33%synergy
Static Prison
33%inclusion9 decks27 decks
33%synergy
Stillness in Motion
33%inclusion5 decks15 decks
33%synergy
Cacophony Unleashed
30%inclusion8 decks27 decks
28%synergy
Estrid's Invocation
30%inclusion8 decks27 decks
25%synergy
Secret Arcade // Dusty Parlor
30%inclusion8 decks27 decks
25%synergy
Ghostly Prison
30%inclusion8 decks27 decks
7%synergy
Propaganda
30%inclusion8 decks27 decks
1%synergy
Touch the Spirit Realm
26%inclusion7 decks27 decks
24%synergy
Mirrormade
26%inclusion7 decks27 decks
16%synergy
Necropotence
26%inclusion7 decks27 decks
19%synergy
Polluted Cistern // Dim Oubliette
26%inclusion7 decks27 decks
25%synergy
Sheltered by Ghosts
26%inclusion7 decks27 decks
23%synergy
Greater Auramancy
26%inclusion7 decks27 decks
22%synergy
Chakra Meditation
25%inclusion2 decks8 decks
25%synergy
Out of the Tombs
22%inclusion6 decks27 decks
22%synergy
Starfield of Nyx
22%inclusion6 decks27 decks
18%synergy
Sphere of Safety
22%inclusion6 decks27 decks
13%synergy
The Tale of Tamiyo
22%inclusion6 decks27 decks
22%synergy
Black Market Connections
22%inclusion6 decks27 decks
7%synergy
Teval's Judgment
20%inclusion3 decks15 decks
19%synergy
Grasp of Fate
19%inclusion5 decks27 decks
12%synergy
Leyline of Anticipation
19%inclusion5 decks27 decks
14%synergy
Monologue Tax
19%inclusion5 decks27 decks
12%synergy
Hallowed Haunting
19%inclusion5 decks27 decks
16%synergy
Mirror Room // Fractured Realm
19%inclusion5 decks27 decks
16%synergy
Sigil of the Empty Throne
15%inclusion4 decks27 decks
9%synergy
Steal Enchantment
15%inclusion4 decks27 decks
14%synergy
Meathook Massacre II
15%inclusion4 decks27 decks
14%synergy
Copy Enchantment
15%inclusion4 decks27 decks
10%synergy
Court of Vantress
15%inclusion4 decks27 decks
13%synergy
Secrets of the Dead
15%inclusion4 decks27 decks
14%synergy
Chains of Mephistopheles
15%inclusion4 decks27 decks
15%synergy
Defiled Crypt // Cadaver Lab
15%inclusion4 decks27 decks
14%synergy
Mornsong Aria
13%inclusion1 decks8 decks
12%synergy
Noggle the Mind
13%inclusion1 decks8 decks
12%synergy
Counterbalance
11%inclusion3 decks27 decks
10%synergy
Parallax Wave
11%inclusion3 decks27 decks
11%synergy
Founding the Third Path
11%inclusion3 decks27 decks
11%synergy
Authority of the Consuls
11%inclusion3 decks27 decks
-2%synergy
Attunement
11%inclusion3 decks27 decks
11%synergy
Copy Artifact
11%inclusion3 decks27 decks
10%synergy
Central Elevator // Promising Stairs
11%inclusion3 decks27 decks
11%synergy
No Mercy
11%inclusion3 decks27 decks
9%synergy
Court of Ardenvale
11%inclusion3 decks27 decks
10%synergy
Redemption Arc
11%inclusion3 decks27 decks
11%synergy
Oubliette
11%inclusion3 decks27 decks
10%synergy
Ethereal Armor
11%inclusion3 decks27 decks
7%synergy
Aura of Silence
11%inclusion3 decks27 decks
8%synergy
Battles
Invasion of Theros
15%inclusion4 decks27 decks
13%synergy
Planeswalkers
Teferi, Time Raveler
15%inclusion4 decks27 decks
7%synergy
Ashiok, Dream Render
7.4%inclusion2 decks27 decks
6%synergy
Utility Lands
Hall of Heliod's Generosity
44%inclusion12 decks27 decks
32%synergy
Otawara, Soaring City
44%inclusion12 decks27 decks
25%synergy
Urza's Saga
33%inclusion9 decks27 decks
22%synergy
Emergence Zone
22%inclusion6 decks27 decks
20%synergy
Bojuka Bog
19%inclusion5 decks27 decks
-8%synergy
Adagia, Windswept Bastion
18%inclusion2 decks11 decks
16%synergy
Takenuma, Abandoned Mire
15%inclusion4 decks27 decks
8%synergy
Mistrise Village
13%inclusion2 decks15 decks
10%synergy
Cephalid Coliseum
11%inclusion3 decks27 decks
8%synergy
Urborg, Tomb of Yawgmoth
11%inclusion3 decks27 decks
-2%synergy
City of Traitors
11%inclusion3 decks27 decks
10%synergy
Mystic Sanctuary
7.4%inclusion2 decks27 decks
4%synergy
Phyrexian Tower
7.4%inclusion2 decks27 decks
4%synergy
Serra's Sanctum
7.4%inclusion2 decks27 decks
6%synergy
Command Beacon
7.4%inclusion2 decks27 decks
5%synergy
Reliquary Tower
7.4%inclusion2 decks27 decks
-27%synergy
Mana Artifacts
Sol Ring
89%inclusion24 decks27 decks
-1%synergy
Arcane Signet
74%inclusion20 decks27 decks
-14%synergy
Talisman of Dominance
56%inclusion15 decks27 decks
6%synergy
Talisman of Progress
41%inclusion11 decks27 decks
-3%synergy
Lotus Petal
37%inclusion10 decks27 decks
27%synergy
Mana Vault
37%inclusion10 decks27 decks
28%synergy
Talisman of Hierarchy
37%inclusion10 decks27 decks
-8%synergy
Chrome Mox
37%inclusion10 decks27 decks
28%synergy
Fellwar Stone
33%inclusion9 decks27 decks
0%synergy
Mox Diamond
33%inclusion9 decks27 decks
27%synergy
Mox Opal
30%inclusion8 decks27 decks
21%synergy
Lion's Eye Diamond
22%inclusion6 decks27 decks
20%synergy
Dimir Signet
19%inclusion5 decks27 decks
-12%synergy
Mox Amber
15%inclusion4 decks27 decks
9%synergy
Orzhov Signet
15%inclusion4 decks27 decks
-17%synergy
Azorius Signet
15%inclusion4 decks27 decks
-15%synergy
Grim Monolith
11%inclusion3 decks27 decks
8%synergy
Lands
Command Tower
100%inclusion27 decks27 decks
7%synergy
Godless Shrine
89%inclusion24 decks27 decks
37%synergy
Watery Grave
89%inclusion24 decks27 decks
38%synergy
Hallowed Fountain
85%inclusion23 decks27 decks
34%synergy
Island
81%inclusion22 decks27 decks
-12%synergy
Polluted Delta
81%inclusion22 decks27 decks
43%synergy
Flooded Strand
81%inclusion22 decks27 decks
43%synergy
Swamp
78%inclusion21 decks27 decks
-14%synergy
Marsh Flats
78%inclusion21 decks27 decks
42%synergy
Plains
74%inclusion20 decks27 decks
-18%synergy
Exotic Orchard
70%inclusion19 decks27 decks
12%synergy
Morphic Pool
59%inclusion16 decks27 decks
26%synergy
City of Brass
59%inclusion16 decks27 decks
44%synergy
Undercity Sewers
56%inclusion15 decks27 decks
41%synergy
Sea of Clouds
52%inclusion14 decks27 decks
17%synergy
Vault of Champions
52%inclusion14 decks27 decks
20%synergy
Mana Confluence
48%inclusion13 decks27 decks
34%synergy
Tundra
41%inclusion11 decks27 decks
25%synergy
Shadowy Backstreet
41%inclusion11 decks27 decks
28%synergy
Underground Sea
41%inclusion11 decks27 decks
25%synergy
Raffine's Tower
41%inclusion11 decks27 decks
0%synergy
Gemstone Caverns
41%inclusion11 decks27 decks
33%synergy
Scrubland
41%inclusion11 decks27 decks
25%synergy
Meticulous Archive
41%inclusion11 decks27 decks
27%synergy
Gloomlake Verge
41%inclusion11 decks27 decks
30%synergy
Floodfarm Verge
41%inclusion11 decks27 decks
30%synergy
Misty Rainforest
37%inclusion10 decks27 decks
26%synergy
Scalding Tarn
37%inclusion10 decks27 decks
26%synergy
Bloodstained Mire
37%inclusion10 decks27 decks
26%synergy
Isolated Chapel
33%inclusion9 decks27 decks
-8%synergy
Underground River
33%inclusion9 decks27 decks
-1%synergy
Arid Mesa
33%inclusion9 decks27 decks
24%synergy
Adarkar Wastes
33%inclusion9 decks27 decks
1%synergy
Caves of Koilos
30%inclusion8 decks27 decks
-6%synergy
Windswept Heath
26%inclusion7 decks27 decks
17%synergy
Verdant Catacombs
26%inclusion7 decks27 decks
16%synergy
Shipwreck Marsh
22%inclusion6 decks27 decks
2%synergy
Valgavoth's Lair
22%inclusion6 decks27 decks
20%synergy
Arcane Sanctum
22%inclusion6 decks27 decks
-32%synergy
Glacial Fortress
19%inclusion5 decks27 decks
-24%synergy
Drowned Catacomb
19%inclusion5 decks27 decks
-20%synergy
Bleachbone Verge
15%inclusion3 decks20 decks
6%synergy
Prismatic Vista
15%inclusion4 decks27 decks
11%synergy
Prairie Stream
15%inclusion4 decks27 decks
-26%synergy
Sink into Stupor
15%inclusion4 decks27 decks
2%synergy
Obscura Storefront
15%inclusion4 decks27 decks
6%synergy
Mystic Gate
15%inclusion4 decks27 decks
9%synergy
Deserted Beach
15%inclusion4 decks27 decks
-6%synergy
Starting Town
13%inclusion2 decks15 decks
9%synergy
Fabled Passage
11%inclusion3 decks27 decks
3%synergy
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