The Master of Keys (Commander) - Budget cEDH Combo

The Master of Keys
Rank #306
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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%inclusion8 decks8 decks
90%synergy
Abdel Adrian, Gorion's Ward
75%inclusion6 decks8 decks
73%synergy
Grand Abolisher
88%inclusion7 decks8 decks
73%synergy
Necromancy
75%inclusion6 decks8 decks
70%synergy
Demonic Consultation
75%inclusion6 decks8 decks
67%synergy
Sevinne's Reclamation
75%inclusion6 decks8 decks
66%synergy
Blind Obedience
75%inclusion6 decks8 decks
63%synergy
Dress Down
63%inclusion5 decks8 decks
60%synergy
Entomb
63%inclusion5 decks8 decks
56%synergy
Dark Ritual
75%inclusion6 decks8 decks
56%synergy
Top Cards
An Offer You Can't Refuse
75%inclusion6 decks8 decks
48%synergy
Toxic Deluge
75%inclusion6 decks8 decks
55%synergy
Tainted Pact
63%inclusion5 decks8 decks
55%synergy
Dovin's Veto
63%inclusion5 decks8 decks
37%synergy
Esper Sentinel
63%inclusion5 decks8 decks
35%synergy
Wishclaw Talisman
63%inclusion5 decks8 decks
54%synergy
Mystic Remora
63%inclusion5 decks8 decks
41%synergy
Swords to Plowshares
63%inclusion5 decks8 decks
-6%synergy
Archivist of Oghma
50%inclusion4 decks8 decks
43%synergy
Windfall
50%inclusion4 decks8 decks
36%synergy
Game Changers
Thassa's Oracle
88%inclusion7 decks8 decks
78%synergy
Mystical Tutor
75%inclusion6 decks8 decks
64%synergy
Smothering Tithe
63%inclusion5 decks8 decks
31%synergy
Rhystic Study
63%inclusion5 decks8 decks
30%synergy
Demonic Tutor
63%inclusion5 decks8 decks
41%synergy
Enlightened Tutor
63%inclusion5 decks8 decks
43%synergy
Opposition Agent
50%inclusion4 decks8 decks
41%synergy
The One Ring
50%inclusion4 decks8 decks
36%synergy
Gifts Ungiven
50%inclusion4 decks8 decks
48%synergy
Mana Vault
50%inclusion4 decks8 decks
41%synergy
Creatures
Displacer Kitten
38%inclusion3 decks8 decks
30%synergy
Drannith Magistrate
38%inclusion3 decks8 decks
29%synergy
Grim Guardian
38%inclusion3 decks8 decks
35%synergy
Ranger-Captain of Eos
38%inclusion3 decks8 decks
31%synergy
Ledger Shredder
38%inclusion3 decks8 decks
29%synergy
Emet-Selch of the Third Seat
33%inclusion1 decks3 decks
24%synergy
Tataru Taru
33%inclusion1 decks3 decks
25%synergy
Lotho, Corrupt Shirriff
25%inclusion2 decks8 decks
8%synergy
Scrabbling Skullcrab
25%inclusion2 decks8 decks
24%synergy
Lurrus of the Dream-Den
25%inclusion2 decks8 decks
23%synergy
Cephalid Illusionist
25%inclusion2 decks8 decks
25%synergy
Valley Floodcaller
25%inclusion2 decks8 decks
21%synergy
Hydroelectric Specimen
25%inclusion2 decks8 decks
22%synergy
Hedron Crab
25%inclusion2 decks8 decks
24%synergy
Leonin Relic-Warder
25%inclusion2 decks8 decks
25%synergy
Balemurk Leech
25%inclusion2 decks8 decks
24%synergy
Entity Tracker
25%inclusion2 decks8 decks
19%synergy
Hullbreaker Horror
25%inclusion2 decks8 decks
19%synergy
Zur the Enchanter
25%inclusion2 decks8 decks
20%synergy
Orcish Bowmasters
25%inclusion2 decks8 decks
14%synergy
Voice of Victory
20%inclusion1 decks5 decks
12%synergy
High Fae Trickster
14%inclusion1 decks7 decks
10%synergy
Neerdiv, Devious Diver
14%inclusion1 decks7 decks
14%synergy
Witch Enchanter
13%inclusion1 decks8 decks
6%synergy
Darkstar Augur
13%inclusion1 decks8 decks
12%synergy
Volatile Stormdrake
13%inclusion1 decks8 decks
11%synergy
Hoarding Broodlord
13%inclusion1 decks8 decks
11%synergy
Scholar of the Ages
13%inclusion1 decks8 decks
12%synergy
Dark Confidant
13%inclusion1 decks8 decks
11%synergy
Starfield Mystic
13%inclusion1 decks8 decks
6%synergy
Snapcaster Mage
13%inclusion1 decks8 decks
11%synergy
Gravebreaker Lamia
13%inclusion1 decks8 decks
12%synergy
Fear of Lost Teeth
13%inclusion1 decks8 decks
12%synergy
Malcolm, Alluring Scoundrel
13%inclusion1 decks8 decks
8%synergy
Vohar, Vodalian Desecrator
13%inclusion1 decks8 decks
9%synergy
Spellseeker
13%inclusion1 decks8 decks
11%synergy
Inquisitive Glimmer
13%inclusion1 decks8 decks
5%synergy
Demon of Fate's Design
13%inclusion1 decks8 decks
7%synergy
Vile Entomber
13%inclusion1 decks8 decks
12%synergy
Archaeomender
13%inclusion1 decks8 decks
12%synergy
Horrid Shadowspinner
13%inclusion1 decks8 decks
12%synergy
Fear of Impostors
13%inclusion1 decks8 decks
11%synergy
Overlord of the Balemurk
13%inclusion1 decks8 decks
11%synergy
Drift of Phantasms
13%inclusion1 decks8 decks
12%synergy
Dauntless Dismantler
13%inclusion1 decks8 decks
11%synergy
The Reality Chip
13%inclusion1 decks8 decks
9%synergy
Ornithopter
13%inclusion1 decks8 decks
11%synergy
Satoru, the Infiltrator
13%inclusion1 decks8 decks
12%synergy
Stitcher's Supplier
13%inclusion1 decks8 decks
12%synergy
Moon-Blessed Cleric
13%inclusion1 decks8 decks
8%synergy
Instants
Mental Misstep
50%inclusion4 decks8 decks
43%synergy
Silence
50%inclusion4 decks8 decks
40%synergy
Force of Will
50%inclusion4 decks8 decks
37%synergy
Vampiric Tutor
50%inclusion4 decks8 decks
32%synergy
Frantic Search
38%inclusion3 decks8 decks
20%synergy
Lim-Dûl's Vault
38%inclusion3 decks8 decks
34%synergy
Dispel
38%inclusion3 decks8 decks
34%synergy
Mana Drain
38%inclusion3 decks8 decks
20%synergy
Flusterstorm
38%inclusion3 decks8 decks
29%synergy
Swan Song
38%inclusion3 decks8 decks
18%synergy
Force of Negation
38%inclusion3 decks8 decks
26%synergy
Counterspell
38%inclusion3 decks8 decks
-4%synergy
Spell Pierce
38%inclusion3 decks8 decks
35%synergy
Pact of Negation
38%inclusion3 decks8 decks
30%synergy
Drown in the Loch
25%inclusion2 decks8 decks
23%synergy
Orim's Chant
25%inclusion2 decks8 decks
24%synergy
Mindbreak Trap
25%inclusion2 decks8 decks
18%synergy
Cabal Ritual
25%inclusion2 decks8 decks
22%synergy
Thirst for Meaning
25%inclusion2 decks8 decks
23%synergy
Void Rend
25%inclusion2 decks8 decks
-9%synergy
Into the Flood Maw
25%inclusion2 decks8 decks
21%synergy
Sink into Stupor
25%inclusion2 decks8 decks
12%synergy
Hostile Negotiations
25%inclusion2 decks8 decks
24%synergy
Fierce Guardianship
25%inclusion2 decks8 decks
4%synergy
Path to Exile
25%inclusion2 decks8 decks
-17%synergy
Cyclonic Rift
25%inclusion2 decks8 decks
1%synergy
Miscast
25%inclusion2 decks8 decks
24%synergy
Waterlogged Teachings
25%inclusion2 decks8 decks
20%synergy
Deadly Rollick
13%inclusion1 decks8 decks
-2%synergy
Sacrifice
13%inclusion1 decks8 decks
12%synergy
Plunge into Darkness
13%inclusion1 decks8 decks
12%synergy
Muddle the Mixture
13%inclusion1 decks8 decks
9%synergy
Trickbind
13%inclusion1 decks8 decks
12%synergy
Absorb
13%inclusion1 decks8 decks
10%synergy
Shred Memory
13%inclusion1 decks8 decks
12%synergy
Chain of Vapor
13%inclusion1 decks8 decks
9%synergy
Soul Partition
13%inclusion1 decks8 decks
12%synergy
Negate
13%inclusion1 decks8 decks
-4%synergy
Fateful Absence
13%inclusion1 decks8 decks
12%synergy
Not Dead After All
13%inclusion1 decks8 decks
12%synergy
Intuition
13%inclusion1 decks8 decks
11%synergy
Fact or Fiction
13%inclusion1 decks8 decks
9%synergy
Brain Freeze
13%inclusion1 decks8 decks
12%synergy
Essence Scatter
13%inclusion1 decks8 decks
12%synergy
Mystical Dispute
13%inclusion1 decks8 decks
12%synergy
Consider
13%inclusion1 decks8 decks
10%synergy
Tolarian Winds
13%inclusion1 decks8 decks
11%synergy
Final Showdown
13%inclusion1 decks8 decks
11%synergy
Resculpt
13%inclusion1 decks8 decks
12%synergy
Alchemist's Retrieval
13%inclusion1 decks8 decks
12%synergy
Sorceries
Reanimate
50%inclusion4 decks8 decks
34%synergy
Lively Dirge
38%inclusion3 decks8 decks
36%synergy
Unmarked Grave
38%inclusion3 decks8 decks
36%synergy
Buried Alive
38%inclusion3 decks8 decks
33%synergy
Cabal Therapy
25%inclusion2 decks8 decks
25%synergy
Diabolic Intent
25%inclusion2 decks8 decks
20%synergy
Imperial Seal
25%inclusion2 decks8 decks
17%synergy
Careful Study
25%inclusion2 decks8 decks
23%synergy
Final Parting
25%inclusion2 decks8 decks
24%synergy
Resurgent Belief
13%inclusion1 decks8 decks
10%synergy
Diabolic Tutor
13%inclusion1 decks8 decks
8%synergy
Gitaxian Probe
13%inclusion1 decks8 decks
10%synergy
Echo of Eons
13%inclusion1 decks8 decks
11%synergy
Persist
13%inclusion1 decks8 decks
11%synergy
Fabricate
13%inclusion1 decks8 decks
8%synergy
Idyllic Tutor
13%inclusion1 decks8 decks
8%synergy
Sinkhole
13%inclusion1 decks8 decks
12%synergy
Yahenni's Expertise
13%inclusion1 decks8 decks
12%synergy
Tendrils of Agony
13%inclusion1 decks8 decks
12%synergy
Whispering Madness
13%inclusion1 decks8 decks
11%synergy
Merchant Scroll
13%inclusion1 decks8 decks
12%synergy
Mnemonic Betrayal
13%inclusion1 decks8 decks
9%synergy
Damn
13%inclusion1 decks8 decks
-8%synergy
Dark Deal
13%inclusion1 decks8 decks
11%synergy
Beseech the Mirror
13%inclusion1 decks8 decks
8%synergy
Grim Tutor
13%inclusion1 decks8 decks
8%synergy
Redress Fate
13%inclusion1 decks8 decks
7%synergy
Utility Artifacts
Mesmeric Orb
25%inclusion2 decks8 decks
24%synergy
Altar of Dementia
25%inclusion2 decks8 decks
24%synergy
Grinding Station
13%inclusion1 decks8 decks
12%synergy
Sensei's Divining Top
13%inclusion1 decks8 decks
3%synergy
Ashnod's Altar
13%inclusion1 decks8 decks
6%synergy
Cursed Totem
13%inclusion1 decks8 decks
10%synergy
Nim Deathmantle
13%inclusion1 decks8 decks
12%synergy
Swiftfoot Boots
13%inclusion1 decks8 decks
-11%synergy
Lightning Greaves
13%inclusion1 decks8 decks
-10%synergy
Isochron Scepter
13%inclusion1 decks8 decks
10%synergy
Shorikai, Genesis Engine
13%inclusion1 decks8 decks
9%synergy
Codex Shredder
13%inclusion1 decks8 decks
12%synergy
Collector's Vault
13%inclusion1 decks8 decks
11%synergy
Enchantments
Ripples of Undeath
50%inclusion4 decks8 decks
47%synergy
Tinybones Joins Up
50%inclusion4 decks8 decks
49%synergy
Touch the Spirit Realm
50%inclusion4 decks8 decks
48%synergy
Chthonian Nightmare
50%inclusion4 decks8 decks
49%synergy
The Meathook Massacre
38%inclusion3 decks8 decks
34%synergy
Mirrormade
38%inclusion3 decks8 decks
28%synergy
Amphibian Downpour
38%inclusion3 decks8 decks
33%synergy
Dance of the Dead
25%inclusion2 decks8 decks
23%synergy
Imprisoned in the Moon
25%inclusion2 decks8 decks
18%synergy
Out of the Tombs
25%inclusion2 decks8 decks
25%synergy
Estrid's Invocation
25%inclusion2 decks8 decks
20%synergy
Out of Time
25%inclusion2 decks8 decks
24%synergy
Copy Enchantment
25%inclusion2 decks8 decks
20%synergy
Necropotence
25%inclusion2 decks8 decks
18%synergy
Static Prison
25%inclusion2 decks8 decks
25%synergy
Stony Silence
13%inclusion1 decks8 decks
12%synergy
Verity Circle
13%inclusion1 decks8 decks
12%synergy
Decaying Soil
13%inclusion1 decks8 decks
12%synergy
Unable to Scream
13%inclusion1 decks8 decks
11%synergy
Rule of Law
13%inclusion1 decks8 decks
10%synergy
Authority of the Consuls
13%inclusion1 decks8 decks
1%synergy
Steal Enchantment
13%inclusion1 decks8 decks
12%synergy
Lich
13%inclusion1 decks8 decks
12%synergy
Sphere of Safety
13%inclusion1 decks8 decks
3%synergy
Witness Protection
13%inclusion1 decks8 decks
11%synergy
Kasmina's Transmutation
13%inclusion1 decks8 decks
12%synergy
Second Chance
13%inclusion1 decks8 decks
12%synergy
Pemmin's Aura
13%inclusion1 decks8 decks
12%synergy
Secrets of the Dead
13%inclusion1 decks8 decks
12%synergy
Arguel's Blood Fast
13%inclusion1 decks8 decks
12%synergy
Oubliette
13%inclusion1 decks8 decks
11%synergy
Telepathy
13%inclusion1 decks8 decks
11%synergy
Solitary Confinement
13%inclusion1 decks8 decks
11%synergy
Aura of Silence
13%inclusion1 decks8 decks
9%synergy
Propaganda
13%inclusion1 decks8 decks
-15%synergy
Diplomatic Immunity
13%inclusion1 decks8 decks
10%synergy
Trouble in Pairs
13%inclusion1 decks8 decks
7%synergy
Tortured Existence
13%inclusion1 decks8 decks
6%synergy
Planeswalkers
Jace, Wielder of Mysteries
25%inclusion2 decks8 decks
23%synergy
Teferi, Time Raveler
25%inclusion2 decks8 decks
17%synergy
Ashiok, Dream Render
13%inclusion1 decks8 decks
11%synergy
Narset, Parter of Veils
13%inclusion1 decks8 decks
9%synergy
Utility Lands
Ancient Tomb
38%inclusion3 decks8 decks
24%synergy
Hall of Heliod's Generosity
38%inclusion3 decks8 decks
24%synergy
Cephalid Coliseum
38%inclusion3 decks8 decks
34%synergy
Otawara, Soaring City
38%inclusion3 decks8 decks
18%synergy
Boseiju, Who Shelters All
25%inclusion2 decks8 decks
24%synergy
Urza's Saga
25%inclusion2 decks8 decks
13%synergy
Bojuka Bog
13%inclusion1 decks8 decks
-15%synergy
Mystic Sanctuary
13%inclusion1 decks8 decks
9%synergy
Emergence Zone
13%inclusion1 decks8 decks
10%synergy
Reliquary Tower
13%inclusion1 decks8 decks
-21%synergy
Mana Artifacts
Arcane Signet
100%inclusion8 decks8 decks
12%synergy
Sol Ring
100%inclusion8 decks8 decks
10%synergy
Talisman of Dominance
75%inclusion6 decks8 decks
26%synergy
Fellwar Stone
75%inclusion6 decks8 decks
41%synergy
Talisman of Hierarchy
75%inclusion6 decks8 decks
31%synergy
Talisman of Progress
63%inclusion5 decks8 decks
19%synergy
Dimir Signet
63%inclusion5 decks8 decks
31%synergy
Lotus Petal
50%inclusion4 decks8 decks
39%synergy
Orzhov Signet
50%inclusion4 decks8 decks
16%synergy
Azorius Signet
50%inclusion4 decks8 decks
18%synergy
Chrome Mox
50%inclusion4 decks8 decks
40%synergy
Mox Amber
25%inclusion2 decks8 decks
19%synergy
Mox Opal
25%inclusion2 decks8 decks
16%synergy
Machine God's Effigy
13%inclusion1 decks8 decks
12%synergy
Springleaf Drum
13%inclusion1 decks8 decks
11%synergy
Paradise Mantle
13%inclusion1 decks8 decks
12%synergy
Lands
Command Tower
88%inclusion7 decks8 decks
-5%synergy
Swamp
88%inclusion7 decks8 decks
-4%synergy
Island
88%inclusion7 decks8 decks
-5%synergy
Plains
88%inclusion7 decks8 decks
-4%synergy
Exotic Orchard
63%inclusion5 decks8 decks
4%synergy
Sea of Clouds
63%inclusion5 decks8 decks
27%synergy
Godless Shrine
63%inclusion5 decks8 decks
12%synergy
Underground River
63%inclusion5 decks8 decks
29%synergy
Morphic Pool
63%inclusion5 decks8 decks
28%synergy
Adarkar Wastes
63%inclusion5 decks8 decks
31%synergy
Vault of Champions
63%inclusion5 decks8 decks
30%synergy
Polluted Delta
63%inclusion5 decks8 decks
25%synergy
Hallowed Fountain
63%inclusion5 decks8 decks
13%synergy
Flooded Strand
63%inclusion5 decks8 decks
24%synergy
Watery Grave
63%inclusion5 decks8 decks
12%synergy
Caves of Koilos
50%inclusion4 decks8 decks
15%synergy
Glacial Fortress
38%inclusion3 decks8 decks
-3%synergy
Spire of Industry
38%inclusion3 decks8 decks
29%synergy
Raffine's Tower
38%inclusion3 decks8 decks
-3%synergy
Arcane Sanctum
38%inclusion3 decks8 decks
-17%synergy
Marsh Flats
38%inclusion3 decks8 decks
1%synergy
City of Brass
38%inclusion3 decks8 decks
22%synergy
Tainted Isle
25%inclusion2 decks8 decks
19%synergy
Contaminated Landscape
25%inclusion2 decks8 decks
11%synergy
Windswept Heath
25%inclusion2 decks8 decks
15%synergy
Tainted Field
25%inclusion2 decks8 decks
18%synergy
Hydroelectric Specimen
25%inclusion2 decks8 decks
22%synergy
Ash Barrens
25%inclusion2 decks8 decks
14%synergy
Verdant Catacombs
25%inclusion2 decks8 decks
15%synergy
Isolated Chapel
25%inclusion2 decks8 decks
-14%synergy
Sink into Stupor
25%inclusion2 decks8 decks
12%synergy
Arid Mesa
25%inclusion2 decks8 decks
15%synergy
Meticulous Archive
25%inclusion2 decks8 decks
11%synergy
Sunken Hollow
25%inclusion2 decks8 decks
-15%synergy
Mana Confluence
25%inclusion2 decks8 decks
11%synergy
Waterlogged Teachings
25%inclusion2 decks8 decks
20%synergy
Bloodstained Mire
25%inclusion2 decks8 decks
14%synergy
Bleachbone Verge
14%inclusion1 decks7 decks
6%synergy
Witch Enchanter
13%inclusion1 decks8 decks
6%synergy
Undercity Sewers
13%inclusion1 decks8 decks
-2%synergy
Misty Rainforest
13%inclusion1 decks8 decks
1%synergy
Gemstone Mine
13%inclusion1 decks8 decks
12%synergy
Clearwater Pathway
13%inclusion1 decks8 decks
6%synergy
Azorius Chancery
13%inclusion1 decks8 decks
-2%synergy
Grand Coliseum
13%inclusion1 decks8 decks
12%synergy
Shadowy Backstreet
13%inclusion1 decks8 decks
0%synergy
Fetid Pools
13%inclusion1 decks8 decks
6%synergy
Dimir Aqueduct
13%inclusion1 decks8 decks
-1%synergy
Fetid Heath
13%inclusion1 decks8 decks
0%synergy
Hengegate Pathway
13%inclusion1 decks8 decks
6%synergy
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