The Master of Keys (Commander) - Budget cEDH Combo

The Master of Keys
Rank #305
9decks
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Background image for What if Thassa's Oracle Were Banned?
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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Animate Dead
100%inclusion9 decks9 decks
90%synergy
Abdel Adrian, Gorion's Ward
78%inclusion7 decks9 decks
76%synergy
Grand Abolisher
89%inclusion8 decks9 decks
74%synergy
Necromancy
78%inclusion7 decks9 decks
73%synergy
Demonic Consultation
78%inclusion7 decks9 decks
70%synergy
Sevinne's Reclamation
78%inclusion7 decks9 decks
69%synergy
Blind Obedience
78%inclusion7 decks9 decks
66%synergy
Dress Down
67%inclusion6 decks9 decks
64%synergy
Entomb
67%inclusion6 decks9 decks
60%synergy
Tainted Pact
67%inclusion6 decks9 decks
60%synergy
Top Cards
An Offer You Can't Refuse
78%inclusion7 decks9 decks
51%synergy
Dark Ritual
78%inclusion7 decks9 decks
58%synergy
Esper Sentinel
67%inclusion6 decks9 decks
39%synergy
Wishclaw Talisman
67%inclusion6 decks9 decks
59%synergy
Mystic Remora
67%inclusion6 decks9 decks
46%synergy
Toxic Deluge
67%inclusion6 decks9 decks
47%synergy
Swords to Plowshares
67%inclusion6 decks9 decks
-1%synergy
Archivist of Oghma
56%inclusion5 decks9 decks
49%synergy
Mental Misstep
56%inclusion5 decks9 decks
49%synergy
Dovin's Veto
56%inclusion5 decks9 decks
30%synergy
Game Changers
Thassa's Oracle
89%inclusion8 decks9 decks
80%synergy
Smothering Tithe
67%inclusion6 decks9 decks
36%synergy
Rhystic Study
67%inclusion6 decks9 decks
35%synergy
Demonic Tutor
67%inclusion6 decks9 decks
46%synergy
Enlightened Tutor
67%inclusion6 decks9 decks
47%synergy
Mystical Tutor
67%inclusion6 decks9 decks
56%synergy
Opposition Agent
56%inclusion5 decks9 decks
47%synergy
The One Ring
56%inclusion5 decks9 decks
42%synergy
Gifts Ungiven
56%inclusion5 decks9 decks
53%synergy
Mana Vault
56%inclusion5 decks9 decks
47%synergy
Creatures
Displacer Kitten
44%inclusion4 decks9 decks
38%synergy
Drannith Magistrate
44%inclusion4 decks9 decks
37%synergy
Ranger-Captain of Eos
44%inclusion4 decks9 decks
38%synergy
Lotho, Corrupt Shirriff
33%inclusion3 decks9 decks
16%synergy
Lurrus of the Dream-Den
33%inclusion3 decks9 decks
32%synergy
Valley Floodcaller
33%inclusion3 decks9 decks
29%synergy
Voice of Victory
33%inclusion2 decks6 decks
25%synergy
Grim Guardian
33%inclusion3 decks9 decks
31%synergy
Hullbreaker Horror
33%inclusion3 decks9 decks
27%synergy
Ledger Shredder
33%inclusion3 decks9 decks
25%synergy
Orcish Bowmasters
33%inclusion3 decks9 decks
23%synergy
Emet-Selch of the Third Seat
25%inclusion1 decks4 decks
16%synergy
Tataru Taru
25%inclusion1 decks4 decks
17%synergy
Scrabbling Skullcrab
22%inclusion2 decks9 decks
21%synergy
Cephalid Illusionist
22%inclusion2 decks9 decks
22%synergy
Hydroelectric Specimen
22%inclusion2 decks9 decks
19%synergy
Hedron Crab
22%inclusion2 decks9 decks
22%synergy
Leonin Relic-Warder
22%inclusion2 decks9 decks
22%synergy
Balemurk Leech
22%inclusion2 decks9 decks
22%synergy
Entity Tracker
22%inclusion2 decks9 decks
16%synergy
Zur the Enchanter
22%inclusion2 decks9 decks
17%synergy
High Fae Trickster
13%inclusion1 decks8 decks
8%synergy
Neerdiv, Devious Diver
13%inclusion1 decks8 decks
12%synergy
Witch Enchanter
11%inclusion1 decks9 decks
4%synergy
Darkstar Augur
11%inclusion1 decks9 decks
11%synergy
Volatile Stormdrake
11%inclusion1 decks9 decks
10%synergy
Hoarding Broodlord
11%inclusion1 decks9 decks
9%synergy
Scholar of the Ages
11%inclusion1 decks9 decks
11%synergy
Dark Confidant
11%inclusion1 decks9 decks
9%synergy
Starfield Mystic
11%inclusion1 decks9 decks
4%synergy
Snapcaster Mage
11%inclusion1 decks9 decks
9%synergy
Gravebreaker Lamia
11%inclusion1 decks9 decks
10%synergy
Fear of Lost Teeth
11%inclusion1 decks9 decks
11%synergy
Malcolm, Alluring Scoundrel
11%inclusion1 decks9 decks
6%synergy
Vohar, Vodalian Desecrator
11%inclusion1 decks9 decks
7%synergy
Spellseeker
11%inclusion1 decks9 decks
10%synergy
Inquisitive Glimmer
11%inclusion1 decks9 decks
4%synergy
Demon of Fate's Design
11%inclusion1 decks9 decks
6%synergy
Vile Entomber
11%inclusion1 decks9 decks
10%synergy
Archaeomender
11%inclusion1 decks9 decks
11%synergy
Horrid Shadowspinner
11%inclusion1 decks9 decks
11%synergy
Fear of Impostors
11%inclusion1 decks9 decks
10%synergy
Overlord of the Balemurk
11%inclusion1 decks9 decks
9%synergy
Drift of Phantasms
11%inclusion1 decks9 decks
11%synergy
Dauntless Dismantler
11%inclusion1 decks9 decks
10%synergy
The Reality Chip
11%inclusion1 decks9 decks
8%synergy
Ornithopter
11%inclusion1 decks9 decks
9%synergy
Satoru, the Infiltrator
11%inclusion1 decks9 decks
10%synergy
Stitcher's Supplier
11%inclusion1 decks9 decks
10%synergy
Moon-Blessed Cleric
11%inclusion1 decks9 decks
6%synergy
Instants
Silence
56%inclusion5 decks9 decks
45%synergy
Force of Will
56%inclusion5 decks9 decks
43%synergy
Vampiric Tutor
56%inclusion5 decks9 decks
38%synergy
Mana Drain
44%inclusion4 decks9 decks
27%synergy
Flusterstorm
44%inclusion4 decks9 decks
36%synergy
Swan Song
44%inclusion4 decks9 decks
25%synergy
Force of Negation
44%inclusion4 decks9 decks
33%synergy
Pact of Negation
44%inclusion4 decks9 decks
37%synergy
Frantic Search
33%inclusion3 decks9 decks
16%synergy
Lim-Dûl's Vault
33%inclusion3 decks9 decks
30%synergy
Mindbreak Trap
33%inclusion3 decks9 decks
27%synergy
Dispel
33%inclusion3 decks9 decks
30%synergy
Sink into Stupor
33%inclusion3 decks9 decks
21%synergy
Counterspell
33%inclusion3 decks9 decks
-8%synergy
Fierce Guardianship
33%inclusion3 decks9 decks
13%synergy
Spell Pierce
33%inclusion3 decks9 decks
31%synergy
Cyclonic Rift
33%inclusion3 decks9 decks
10%synergy
Drown in the Loch
22%inclusion2 decks9 decks
20%synergy
Orim's Chant
22%inclusion2 decks9 decks
21%synergy
Cabal Ritual
22%inclusion2 decks9 decks
19%synergy
Thirst for Meaning
22%inclusion2 decks9 decks
21%synergy
Void Rend
22%inclusion2 decks9 decks
-12%synergy
Into the Flood Maw
22%inclusion2 decks9 decks
18%synergy
Delay
22%inclusion2 decks9 decks
20%synergy
Hostile Negotiations
22%inclusion2 decks9 decks
21%synergy
Path to Exile
22%inclusion2 decks9 decks
-20%synergy
Miscast
22%inclusion2 decks9 decks
21%synergy
Waterlogged Teachings
22%inclusion2 decks9 decks
18%synergy
Deadly Rollick
11%inclusion1 decks9 decks
-4%synergy
Sacrifice
11%inclusion1 decks9 decks
10%synergy
Plunge into Darkness
11%inclusion1 decks9 decks
11%synergy
Muddle the Mixture
11%inclusion1 decks9 decks
7%synergy
Trickbind
11%inclusion1 decks9 decks
10%synergy
Absorb
11%inclusion1 decks9 decks
8%synergy
Shred Memory
11%inclusion1 decks9 decks
11%synergy
Chain of Vapor
11%inclusion1 decks9 decks
8%synergy
Soul Partition
11%inclusion1 decks9 decks
11%synergy
Negate
11%inclusion1 decks9 decks
-5%synergy
Fateful Absence
11%inclusion1 decks9 decks
11%synergy
Not Dead After All
11%inclusion1 decks9 decks
11%synergy
Intuition
11%inclusion1 decks9 decks
9%synergy
Fact or Fiction
11%inclusion1 decks9 decks
7%synergy
Brain Freeze
11%inclusion1 decks9 decks
11%synergy
Essence Scatter
11%inclusion1 decks9 decks
10%synergy
Mystical Dispute
11%inclusion1 decks9 decks
11%synergy
Consider
11%inclusion1 decks9 decks
9%synergy
Tolarian Winds
11%inclusion1 decks9 decks
9%synergy
Final Showdown
11%inclusion1 decks9 decks
10%synergy
Resculpt
11%inclusion1 decks9 decks
10%synergy
Alchemist's Retrieval
11%inclusion1 decks9 decks
11%synergy
Sorceries
Windfall
44%inclusion4 decks9 decks
31%synergy
Lively Dirge
44%inclusion4 decks9 decks
43%synergy
Reanimate
44%inclusion4 decks9 decks
28%synergy
Unmarked Grave
33%inclusion3 decks9 decks
32%synergy
Imperial Seal
33%inclusion3 decks9 decks
26%synergy
Buried Alive
33%inclusion3 decks9 decks
29%synergy
Cabal Therapy
22%inclusion2 decks9 decks
22%synergy
Diabolic Intent
22%inclusion2 decks9 decks
17%synergy
Careful Study
22%inclusion2 decks9 decks
20%synergy
Final Parting
22%inclusion2 decks9 decks
22%synergy
Resurgent Belief
11%inclusion1 decks9 decks
9%synergy
Diabolic Tutor
11%inclusion1 decks9 decks
6%synergy
Gitaxian Probe
11%inclusion1 decks9 decks
9%synergy
Echo of Eons
11%inclusion1 decks9 decks
10%synergy
Persist
11%inclusion1 decks9 decks
9%synergy
Fabricate
11%inclusion1 decks9 decks
6%synergy
Idyllic Tutor
11%inclusion1 decks9 decks
7%synergy
Sinkhole
11%inclusion1 decks9 decks
11%synergy
Yahenni's Expertise
11%inclusion1 decks9 decks
10%synergy
Tendrils of Agony
11%inclusion1 decks9 decks
11%synergy
Whispering Madness
11%inclusion1 decks9 decks
10%synergy
Merchant Scroll
11%inclusion1 decks9 decks
11%synergy
Mnemonic Betrayal
11%inclusion1 decks9 decks
8%synergy
Damn
11%inclusion1 decks9 decks
-9%synergy
Dark Deal
11%inclusion1 decks9 decks
10%synergy
Beseech the Mirror
11%inclusion1 decks9 decks
7%synergy
Grim Tutor
11%inclusion1 decks9 decks
7%synergy
Redress Fate
11%inclusion1 decks9 decks
5%synergy
Utility Artifacts
Mesmeric Orb
22%inclusion2 decks9 decks
21%synergy
Altar of Dementia
22%inclusion2 decks9 decks
21%synergy
Grinding Station
11%inclusion1 decks9 decks
10%synergy
Sensei's Divining Top
11%inclusion1 decks9 decks
1%synergy
Ashnod's Altar
11%inclusion1 decks9 decks
5%synergy
Cursed Totem
11%inclusion1 decks9 decks
9%synergy
Nim Deathmantle
11%inclusion1 decks9 decks
11%synergy
Swiftfoot Boots
11%inclusion1 decks9 decks
-13%synergy
Lightning Greaves
11%inclusion1 decks9 decks
-11%synergy
Isochron Scepter
11%inclusion1 decks9 decks
9%synergy
Shorikai, Genesis Engine
11%inclusion1 decks9 decks
7%synergy
Codex Shredder
11%inclusion1 decks9 decks
11%synergy
Collector's Vault
11%inclusion1 decks9 decks
9%synergy
Enchantments
Ripples of Undeath
56%inclusion5 decks9 decks
53%synergy
Tinybones Joins Up
56%inclusion5 decks9 decks
54%synergy
Touch the Spirit Realm
56%inclusion5 decks9 decks
53%synergy
The Meathook Massacre
44%inclusion4 decks9 decks
41%synergy
Amphibian Downpour
44%inclusion4 decks9 decks
40%synergy
Chthonian Nightmare
44%inclusion4 decks9 decks
44%synergy
Dance of the Dead
33%inclusion3 decks9 decks
31%synergy
Mirrormade
33%inclusion3 decks9 decks
24%synergy
Static Prison
33%inclusion3 decks9 decks
33%synergy
Imprisoned in the Moon
22%inclusion2 decks9 decks
16%synergy
Out of the Tombs
22%inclusion2 decks9 decks
22%synergy
Steal Enchantment
22%inclusion2 decks9 decks
21%synergy
Estrid's Invocation
22%inclusion2 decks9 decks
18%synergy
Out of Time
22%inclusion2 decks9 decks
21%synergy
Copy Enchantment
22%inclusion2 decks9 decks
18%synergy
Necropotence
22%inclusion2 decks9 decks
16%synergy
Stony Silence
11%inclusion1 decks9 decks
11%synergy
Verity Circle
11%inclusion1 decks9 decks
11%synergy
Decaying Soil
11%inclusion1 decks9 decks
11%synergy
Unable to Scream
11%inclusion1 decks9 decks
10%synergy
Rule of Law
11%inclusion1 decks9 decks
9%synergy
Authority of the Consuls
11%inclusion1 decks9 decks
-1%synergy
Lich
11%inclusion1 decks9 decks
11%synergy
Copy Artifact
11%inclusion1 decks9 decks
10%synergy
Charitable Levy
11%inclusion1 decks9 decks
11%synergy
Sphere of Safety
11%inclusion1 decks9 decks
2%synergy
Witness Protection
11%inclusion1 decks9 decks
9%synergy
Kasmina's Transmutation
11%inclusion1 decks9 decks
11%synergy
Second Chance
11%inclusion1 decks9 decks
11%synergy
Pemmin's Aura
11%inclusion1 decks9 decks
10%synergy
Secrets of the Dead
11%inclusion1 decks9 decks
11%synergy
Arguel's Blood Fast
11%inclusion1 decks9 decks
11%synergy
Oubliette
11%inclusion1 decks9 decks
10%synergy
Telepathy
11%inclusion1 decks9 decks
9%synergy
Solitary Confinement
11%inclusion1 decks9 decks
9%synergy
Aura of Silence
11%inclusion1 decks9 decks
8%synergy
Propaganda
11%inclusion1 decks9 decks
-17%synergy
Diplomatic Immunity
11%inclusion1 decks9 decks
9%synergy
Trouble in Pairs
11%inclusion1 decks9 decks
6%synergy
Tortured Existence
11%inclusion1 decks9 decks
4%synergy
Planeswalkers
Teferi, Time Raveler
33%inclusion3 decks9 decks
25%synergy
Jace, Wielder of Mysteries
22%inclusion2 decks9 decks
20%synergy
Ashiok, Dream Render
11%inclusion1 decks9 decks
10%synergy
Narset, Parter of Veils
11%inclusion1 decks9 decks
7%synergy
Utility Lands
Ancient Tomb
44%inclusion4 decks9 decks
32%synergy
Otawara, Soaring City
44%inclusion4 decks9 decks
25%synergy
Hall of Heliod's Generosity
33%inclusion3 decks9 decks
20%synergy
Cephalid Coliseum
33%inclusion3 decks9 decks
30%synergy
Boseiju, Who Shelters All
22%inclusion2 decks9 decks
22%synergy
Urza's Saga
22%inclusion2 decks9 decks
10%synergy
Bojuka Bog
11%inclusion1 decks9 decks
-16%synergy
Mystic Sanctuary
11%inclusion1 decks9 decks
7%synergy
Emergence Zone
11%inclusion1 decks9 decks
9%synergy
Reliquary Tower
11%inclusion1 decks9 decks
-23%synergy
Mana Artifacts
Arcane Signet
100%inclusion9 decks9 decks
12%synergy
Sol Ring
100%inclusion9 decks9 decks
10%synergy
Talisman of Dominance
78%inclusion7 decks9 decks
28%synergy
Fellwar Stone
78%inclusion7 decks9 decks
44%synergy
Talisman of Progress
67%inclusion6 decks9 decks
23%synergy
Talisman of Hierarchy
67%inclusion6 decks9 decks
23%synergy
Lotus Petal
56%inclusion5 decks9 decks
45%synergy
Dimir Signet
56%inclusion5 decks9 decks
24%synergy
Chrome Mox
56%inclusion5 decks9 decks
46%synergy
Orzhov Signet
44%inclusion4 decks9 decks
11%synergy
Azorius Signet
44%inclusion4 decks9 decks
13%synergy
Mox Amber
33%inclusion3 decks9 decks
27%synergy
Mox Opal
33%inclusion3 decks9 decks
25%synergy
Machine God's Effigy
11%inclusion1 decks9 decks
10%synergy
Springleaf Drum
11%inclusion1 decks9 decks
9%synergy
Paradise Mantle
11%inclusion1 decks9 decks
11%synergy
Lands
Command Tower
89%inclusion8 decks9 decks
-4%synergy
Swamp
78%inclusion7 decks9 decks
-14%synergy
Island
78%inclusion7 decks9 decks
-15%synergy
Plains
78%inclusion7 decks9 decks
-14%synergy
Exotic Orchard
67%inclusion6 decks9 decks
8%synergy
Sea of Clouds
67%inclusion6 decks9 decks
31%synergy
Godless Shrine
67%inclusion6 decks9 decks
16%synergy
Morphic Pool
67%inclusion6 decks9 decks
33%synergy
Vault of Champions
67%inclusion6 decks9 decks
34%synergy
Polluted Delta
67%inclusion6 decks9 decks
29%synergy
Hallowed Fountain
67%inclusion6 decks9 decks
17%synergy
Flooded Strand
67%inclusion6 decks9 decks
28%synergy
Watery Grave
67%inclusion6 decks9 decks
16%synergy
Underground River
56%inclusion5 decks9 decks
22%synergy
Adarkar Wastes
56%inclusion5 decks9 decks
24%synergy
Caves of Koilos
44%inclusion4 decks9 decks
9%synergy
Marsh Flats
44%inclusion4 decks9 decks
8%synergy
City of Brass
44%inclusion4 decks9 decks
29%synergy
Glacial Fortress
33%inclusion3 decks9 decks
-8%synergy
Windswept Heath
33%inclusion3 decks9 decks
24%synergy
Spire of Industry
33%inclusion3 decks9 decks
25%synergy
Verdant Catacombs
33%inclusion3 decks9 decks
23%synergy
Raffine's Tower
33%inclusion3 decks9 decks
-8%synergy
Arcane Sanctum
33%inclusion3 decks9 decks
-21%synergy
Sink into Stupor
33%inclusion3 decks9 decks
21%synergy
Arid Mesa
33%inclusion3 decks9 decks
24%synergy
Mana Confluence
33%inclusion3 decks9 decks
20%synergy
Bloodstained Mire
33%inclusion3 decks9 decks
22%synergy
Tainted Isle
22%inclusion2 decks9 decks
16%synergy
Undercity Sewers
22%inclusion2 decks9 decks
8%synergy
Misty Rainforest
22%inclusion2 decks9 decks
11%synergy
Shadowy Backstreet
22%inclusion2 decks9 decks
10%synergy
Contaminated Landscape
22%inclusion2 decks9 decks
8%synergy
Tainted Field
22%inclusion2 decks9 decks
15%synergy
Hydroelectric Specimen
22%inclusion2 decks9 decks
19%synergy
Ash Barrens
22%inclusion2 decks9 decks
11%synergy
Reflecting Pool
22%inclusion2 decks9 decks
14%synergy
Isolated Chapel
22%inclusion2 decks9 decks
-18%synergy
Scalding Tarn
22%inclusion2 decks9 decks
11%synergy
Meticulous Archive
22%inclusion2 decks9 decks
8%synergy
Sunken Hollow
22%inclusion2 decks9 decks
-17%synergy
Waterlogged Teachings
22%inclusion2 decks9 decks
18%synergy
Bleachbone Verge
13%inclusion1 decks8 decks
4%synergy
Witch Enchanter
11%inclusion1 decks9 decks
4%synergy
Gemstone Mine
11%inclusion1 decks9 decks
11%synergy
Clearwater Pathway
11%inclusion1 decks9 decks
5%synergy
Azorius Chancery
11%inclusion1 decks9 decks
-3%synergy
Grand Coliseum
11%inclusion1 decks9 decks
11%synergy
Fetid Pools
11%inclusion1 decks9 decks
4%synergy
Dimir Aqueduct
11%inclusion1 decks9 decks
-2%synergy
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