The Master of Keys (Commander) - Budget cEDH

The Master of Keys
Rank #316
55decks
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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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Avatar's Wrath
17%inclusion1 decks6 decks
15%synergy
Wan Shi Tong, Librarian
17%inclusion1 decks6 decks
12%synergy
High Synergy Cards
Animate Dead
96%inclusion53 decks55 decks
87%synergy
Necromancy
85%inclusion47 decks55 decks
81%synergy
Abdel Adrian, Gorion's Ward
78%inclusion43 decks55 decks
76%synergy
Entomb
80%inclusion44 decks55 decks
73%synergy
Dance of the Dead
75%inclusion41 decks55 decks
72%synergy
Dress Down
73%inclusion40 decks55 decks
70%synergy
Dark Ritual
89%inclusion49 decks55 decks
70%synergy
Sevinne's Reclamation
78%inclusion43 decks55 decks
69%synergy
Mystic Remora
91%inclusion50 decks55 decks
69%synergy
Grand Abolisher
82%inclusion45 decks55 decks
67%synergy
Top Cards
Swords to Plowshares
80%inclusion44 decks55 decks
12%synergy
Blind Obedience
76%inclusion42 decks55 decks
64%synergy
Esper Sentinel
75%inclusion41 decks55 decks
47%synergy
Demonic Consultation
75%inclusion41 decks55 decks
66%synergy
Silence
71%inclusion39 decks55 decks
61%synergy
An Offer You Can't Refuse
65%inclusion36 decks55 decks
39%synergy
Tainted Pact
60%inclusion33 decks55 decks
52%synergy
Ripples of Undeath
60%inclusion33 decks55 decks
57%synergy
Wishclaw Talisman
60%inclusion33 decks55 decks
52%synergy
Teferi, Time Raveler
60%inclusion33 decks55 decks
52%synergy
Game Changers
Enlightened Tutor
80%inclusion44 decks55 decks
60%synergy
Rhystic Study
78%inclusion43 decks55 decks
45%synergy
Thassa's Oracle
76%inclusion42 decks55 decks
66%synergy
Demonic Tutor
76%inclusion42 decks55 decks
55%synergy
Smothering Tithe
75%inclusion41 decks55 decks
42%synergy
Vampiric Tutor
67%inclusion37 decks55 decks
49%synergy
Mana Vault
62%inclusion34 decks55 decks
52%synergy
Mystical Tutor
60%inclusion33 decks55 decks
48%synergy
Necropotence
58%inclusion32 decks55 decks
51%synergy
Chrome Mox
56%inclusion31 decks55 decks
47%synergy
Creatures
Displacer Kitten
58%inclusion32 decks55 decks
51%synergy
Lotho, Corrupt Shirriff
56%inclusion31 decks55 decks
40%synergy
Valley Floodcaller
55%inclusion30 decks55 decks
50%synergy
Orcish Bowmasters
55%inclusion30 decks55 decks
43%synergy
Opposition Agent
51%inclusion28 decks55 decks
42%synergy
Ranger-Captain of Eos
44%inclusion24 decks55 decks
37%synergy
Hullbreaker Horror
44%inclusion24 decks55 decks
37%synergy
Drannith Magistrate
42%inclusion23 decks55 decks
33%synergy
Archivist of Oghma
38%inclusion21 decks55 decks
31%synergy
Lurrus of the Dream-Den
38%inclusion21 decks55 decks
37%synergy
Ledger Shredder
29%inclusion16 decks55 decks
20%synergy
Hoarding Broodlord
27%inclusion15 decks55 decks
25%synergy
Voice of Victory
26%inclusion8 decks31 decks
18%synergy
Mockingbird
24%inclusion13 decks55 decks
19%synergy
Hedron Crab
22%inclusion12 decks55 decks
21%synergy
Volatile Stormdrake
18%inclusion10 decks55 decks
17%synergy
Talion, the Kindly Lord
18%inclusion10 decks55 decks
10%synergy
Entity Tracker
18%inclusion10 decks55 decks
12%synergy
Leonin Relic-Warder
16%inclusion9 decks55 decks
16%synergy
Pollywog Prodigy
16%inclusion9 decks55 decks
12%synergy
Faerie Mastermind
16%inclusion9 decks55 decks
7%synergy
Tataru Taru
15%inclusion3 decks20 decks
7%synergy
Scrabbling Skullcrab
15%inclusion8 decks55 decks
13%synergy
Overlord of the Balemurk
15%inclusion8 decks55 decks
12%synergy
Grim Guardian
15%inclusion8 decks55 decks
12%synergy
Dauthi Voidwalker
15%inclusion8 decks55 decks
8%synergy
Starfield Mystic
13%inclusion7 decks55 decks
6%synergy
Phyrexian Metamorph
13%inclusion7 decks55 decks
4%synergy
High Fae Trickster
12%inclusion6 decks49 decks
8%synergy
Mesa Enchantress
11%inclusion6 decks55 decks
2%synergy
Balemurk Leech
11%inclusion6 decks55 decks
10%synergy
Zur the Enchanter
11%inclusion6 decks55 decks
6%synergy
Auriok Salvagers
11%inclusion6 decks55 decks
11%synergy
Ondu Spiritdancer
11%inclusion6 decks55 decks
5%synergy
Emet-Selch of the Third Seat
10%inclusion2 decks20 decks
0%synergy
Vohar, Vodalian Desecrator
9.1%inclusion5 decks55 decks
5%synergy
Inquisitive Glimmer
9.1%inclusion5 decks55 decks
1%synergy
Spellseeker
9.1%inclusion5 decks55 decks
8%synergy
Walking Ballista
9.1%inclusion5 decks55 decks
7%synergy
Vile Entomber
9.1%inclusion5 decks55 decks
8%synergy
Sage of Mysteries
9.1%inclusion5 decks55 decks
9%synergy
Demon of Fate's Design
9.1%inclusion5 decks55 decks
4%synergy
Witch Enchanter
7.3%inclusion4 decks55 decks
0%synergy
Overlord of the Floodpits
7.3%inclusion4 decks55 decks
3%synergy
Malcolm, Alluring Scoundrel
7.3%inclusion4 decks55 decks
3%synergy
Malevolent Hermit
7.3%inclusion4 decks55 decks
6%synergy
Fear of Sleep Paralysis
7.3%inclusion4 decks55 decks
1%synergy
Doomwake Giant
7.3%inclusion4 decks55 decks
1%synergy
Emry, Lurker of the Loch
7.3%inclusion4 decks55 decks
2%synergy
Psychic Frog
7.3%inclusion4 decks55 decks
1%synergy
Instants
Flusterstorm
58%inclusion32 decks55 decks
50%synergy
Swan Song
58%inclusion32 decks55 decks
39%synergy
Mental Misstep
53%inclusion29 decks55 decks
46%synergy
Force of Will
53%inclusion29 decks55 decks
40%synergy
Force of Negation
51%inclusion28 decks55 decks
39%synergy
Mindbreak Trap
47%inclusion26 decks55 decks
40%synergy
Borne Upon a Wind
47%inclusion26 decks55 decks
43%synergy
Pact of Negation
47%inclusion26 decks55 decks
39%synergy
Cyclonic Rift
44%inclusion24 decks55 decks
19%synergy
Fierce Guardianship
42%inclusion23 decks55 decks
21%synergy
Cabal Ritual
36%inclusion20 decks55 decks
33%synergy
Into the Flood Maw
35%inclusion19 decks55 decks
31%synergy
Mana Drain
35%inclusion19 decks55 decks
17%synergy
Chain of Vapor
29%inclusion16 decks55 decks
26%synergy
Gifts Ungiven
29%inclusion16 decks55 decks
27%synergy
Sink into Stupor
25%inclusion14 decks55 decks
13%synergy
Dispel
25%inclusion14 decks55 decks
22%synergy
Intuition
24%inclusion13 decks55 decks
22%synergy
Path to Exile
24%inclusion13 decks55 decks
-18%synergy
Saw in Half
24%inclusion13 decks55 decks
22%synergy
Dovin's Veto
22%inclusion12 decks55 decks
-3%synergy
Muddle the Mixture
18%inclusion10 decks55 decks
14%synergy
Sacrifice
16%inclusion9 decks55 decks
16%synergy
Frantic Search
16%inclusion9 decks55 decks
0%synergy
Arcane Denial
16%inclusion9 decks55 decks
-4%synergy
Retraction Helix
15%inclusion8 decks55 decks
14%synergy
Counterspell
15%inclusion8 decks55 decks
-27%synergy
Fact or Fiction
13%inclusion7 decks55 decks
9%synergy
Dramatic Reversal
13%inclusion7 decks55 decks
11%synergy
Spell Pierce
13%inclusion7 decks55 decks
10%synergy
Brain Freeze
11%inclusion6 decks55 decks
10%synergy
Strix Serenade
11%inclusion6 decks55 decks
7%synergy
Deadly Rollick
9.1%inclusion5 decks55 decks
-5%synergy
Orim's Chant
9.1%inclusion5 decks55 decks
8%synergy
Lim-Dûl's Vault
9.1%inclusion5 decks55 decks
6%synergy
Culling the Weak
9.1%inclusion5 decks55 decks
7%synergy
Delay
9.1%inclusion5 decks55 decks
7%synergy
Ad Nauseam
9.1%inclusion5 decks55 decks
7%synergy
Fell the Profane
7.3%inclusion4 decks55 decks
-1%synergy
Drown in the Loch
7.3%inclusion4 decks55 decks
5%synergy
Shred Memory
7.3%inclusion4 decks55 decks
7%synergy
Brainstorm
7.3%inclusion4 decks55 decks
-10%synergy
Flare of Denial
7.3%inclusion4 decks55 decks
5%synergy
Waterlogged Teachings
7.3%inclusion4 decks55 decks
3%synergy
Anguished Unmaking
7.3%inclusion4 decks55 decks
-17%synergy
Hostile Negotiations
7.3%inclusion4 decks55 decks
6%synergy
Miscast
7.3%inclusion4 decks55 decks
6%synergy
Louisoix's Sacrifice
6.3%inclusion1 decks16 decks
5%synergy
Teferi's Protection
5.5%inclusion3 decks55 decks
-12%synergy
Negate
5.5%inclusion3 decks55 decks
-11%synergy
Sorceries
Reanimate
53%inclusion29 decks55 decks
37%synergy
Windfall
45%inclusion25 decks55 decks
32%synergy
Toxic Deluge
44%inclusion24 decks55 decks
24%synergy
Lively Dirge
31%inclusion17 decks55 decks
30%synergy
Imperial Seal
29%inclusion16 decks55 decks
21%synergy
Unmarked Grave
24%inclusion13 decks55 decks
22%synergy
Buried Alive
22%inclusion12 decks55 decks
18%synergy
Beseech the Mirror
20%inclusion11 decks55 decks
16%synergy
Demonic Counsel
18%inclusion10 decks55 decks
17%synergy
Diabolic Intent
11%inclusion6 decks55 decks
6%synergy
Victimize
11%inclusion6 decks55 decks
2%synergy
Final Parting
11%inclusion6 decks55 decks
10%synergy
Mnemonic Betrayal
11%inclusion6 decks55 decks
8%synergy
Damn
11%inclusion6 decks55 decks
-9%synergy
Singularity Rupture
7.7%inclusion1 decks13 decks
5%synergy
Cabal Therapy
7.3%inclusion4 decks55 decks
7%synergy
Careful Study
7.3%inclusion4 decks55 decks
5%synergy
Persist
7.3%inclusion4 decks55 decks
5%synergy
Grim Tutor
7.3%inclusion4 decks55 decks
3%synergy
Ponder
5.5%inclusion3 decks55 decks
-4%synergy
Peer into the Abyss
5.5%inclusion3 decks55 decks
3%synergy
Dread Return
5.5%inclusion3 decks55 decks
3%synergy
Yahenni's Expertise
5.5%inclusion3 decks55 decks
5%synergy
Redress Fate
5.5%inclusion3 decks55 decks
-1%synergy
Dance of the Manse
5.5%inclusion3 decks55 decks
2%synergy
Utility Artifacts
The One Ring
51%inclusion28 decks55 decks
37%synergy
Cursed Totem
15%inclusion8 decks55 decks
12%synergy
Mesmeric Orb
13%inclusion7 decks55 decks
12%synergy
Isochron Scepter
13%inclusion7 decks55 decks
10%synergy
Altar of Dementia
11%inclusion6 decks55 decks
9%synergy
Sensei's Divining Top
7.3%inclusion4 decks55 decks
-3%synergy
Vexing Bauble
7.3%inclusion4 decks55 decks
5%synergy
Collector's Vault
7.3%inclusion4 decks55 decks
5%synergy
Enchantments
Tinybones Joins Up
56%inclusion31 decks55 decks
55%synergy
Amphibian Downpour
49%inclusion27 decks55 decks
45%synergy
Mirrormade
40%inclusion22 decks55 decks
30%synergy
Touch the Spirit Realm
38%inclusion21 decks55 decks
36%synergy
Static Prison
27%inclusion15 decks55 decks
27%synergy
Chthonian Nightmare
24%inclusion13 decks55 decks
23%synergy
The Meathook Massacre
22%inclusion12 decks55 decks
18%synergy
Copy Enchantment
18%inclusion10 decks55 decks
13%synergy
Steal Enchantment
16%inclusion9 decks55 decks
15%synergy
Copy Artifact
15%inclusion8 decks55 decks
13%synergy
Out of the Tombs
15%inclusion8 decks55 decks
14%synergy
Trouble in Pairs
15%inclusion8 decks55 decks
9%synergy
Monologue Tax
15%inclusion8 decks55 decks
8%synergy
Counterbalance
13%inclusion7 decks55 decks
11%synergy
Secret Arcade // Dusty Parlor
13%inclusion7 decks55 decks
7%synergy
Darksteel Mutation
11%inclusion6 decks55 decks
5%synergy
Leyline of Anticipation
11%inclusion6 decks55 decks
6%synergy
Second Chance
11%inclusion6 decks55 decks
11%synergy
Out of Time
9.1%inclusion5 decks55 decks
8%synergy
Land Tax
9.1%inclusion5 decks55 decks
3%synergy
Seal of Removal
9.1%inclusion5 decks55 decks
9%synergy
Verity Circle
7.3%inclusion4 decks55 decks
7%synergy
Estrid's Invocation
7.3%inclusion4 decks55 decks
3%synergy
Sphere of Safety
7.3%inclusion4 decks55 decks
-2%synergy
Fraying Sanity
7.3%inclusion4 decks55 decks
7%synergy
Aura of Silence
7.3%inclusion4 decks55 decks
4%synergy
Greater Auramancy
7.3%inclusion4 decks55 decks
3%synergy
Founding the Third Path
5.5%inclusion3 decks55 decks
5%synergy
Smuggler's Share
5.5%inclusion3 decks55 decks
3%synergy
Cacophony Unleashed
5.5%inclusion3 decks55 decks
4%synergy
Unable to Scream
5.5%inclusion3 decks55 decks
4%synergy
Sigil of the Empty Throne
5.5%inclusion3 decks55 decks
-1%synergy
Starfield of Nyx
5.5%inclusion3 decks55 decks
1%synergy
Seal of Cleansing
5.5%inclusion3 decks55 decks
4%synergy
Black Market Connections
5.5%inclusion3 decks55 decks
-8%synergy
Propaganda
5.5%inclusion3 decks55 decks
-21%synergy
Arguel's Blood Fast
5.5%inclusion3 decks55 decks
5%synergy
Planeswalkers
Ashiok, Dream Render
9.1%inclusion5 decks55 decks
7%synergy
Jace, Wielder of Mysteries
5.5%inclusion3 decks55 decks
4%synergy
Utility Lands
Otawara, Soaring City
45%inclusion25 decks55 decks
26%synergy
Ancient Tomb
42%inclusion23 decks55 decks
28%synergy
Cephalid Coliseum
27%inclusion15 decks55 decks
24%synergy
Urza's Saga
25%inclusion14 decks55 decks
13%synergy
Hall of Heliod's Generosity
24%inclusion13 decks55 decks
10%synergy
Emergence Zone
22%inclusion12 decks55 decks
20%synergy
Bojuka Bog
13%inclusion7 decks55 decks
-15%synergy
Minamo, School at Water's Edge
13%inclusion7 decks55 decks
9%synergy
Takenuma, Abandoned Mire
13%inclusion7 decks55 decks
6%synergy
Urborg, Tomb of Yawgmoth
13%inclusion7 decks55 decks
-1%synergy
Reliquary Tower
7.3%inclusion4 decks55 decks
-26%synergy
Phyrexian Tower
5.5%inclusion3 decks55 decks
2%synergy
Cabal Coffers
5.5%inclusion3 decks55 decks
2%synergy
Cabal Pit
5.5%inclusion3 decks55 decks
5%synergy
Mana Artifacts
Sol Ring
98%inclusion54 decks55 decks
8%synergy
Arcane Signet
96%inclusion53 decks55 decks
9%synergy
Talisman of Dominance
82%inclusion45 decks55 decks
33%synergy
Lotus Petal
73%inclusion40 decks55 decks
62%synergy
Fellwar Stone
73%inclusion40 decks55 decks
39%synergy
Talisman of Progress
71%inclusion39 decks55 decks
28%synergy
Talisman of Hierarchy
65%inclusion36 decks55 decks
23%synergy
Mox Opal
33%inclusion18 decks55 decks
24%synergy
Mox Amber
31%inclusion17 decks55 decks
25%synergy
Azorius Signet
22%inclusion12 decks55 decks
-11%synergy
Orzhov Signet
20%inclusion11 decks55 decks
-15%synergy
Dimir Signet
18%inclusion10 decks55 decks
-15%synergy
Basalt Monolith
7.3%inclusion4 decks55 decks
5%synergy
Thought Vessel
5.5%inclusion3 decks55 decks
-19%synergy
Lands
Command Tower
95%inclusion52 decks55 decks
2%synergy
Island
89%inclusion49 decks55 decks
-3%synergy
Swamp
87%inclusion48 decks55 decks
-4%synergy
Godless Shrine
82%inclusion45 decks55 decks
32%synergy
Plains
80%inclusion44 decks55 decks
-11%synergy
Watery Grave
76%inclusion42 decks55 decks
27%synergy
Hallowed Fountain
75%inclusion41 decks55 decks
26%synergy
Polluted Delta
73%inclusion40 decks55 decks
36%synergy
Marsh Flats
71%inclusion39 decks55 decks
35%synergy
Flooded Strand
69%inclusion38 decks55 decks
31%synergy
Exotic Orchard
60%inclusion33 decks55 decks
2%synergy
Sea of Clouds
55%inclusion30 decks55 decks
19%synergy
Vault of Champions
55%inclusion30 decks55 decks
22%synergy
City of Brass
55%inclusion30 decks55 decks
39%synergy
Morphic Pool
51%inclusion28 decks55 decks
16%synergy
Caves of Koilos
47%inclusion26 decks55 decks
12%synergy
Adarkar Wastes
47%inclusion26 decks55 decks
17%synergy
Underground River
45%inclusion25 decks55 decks
13%synergy
Verdant Catacombs
44%inclusion24 decks55 decks
33%synergy
Gemstone Caverns
44%inclusion24 decks55 decks
36%synergy
Bloodstained Mire
44%inclusion24 decks55 decks
32%synergy
Windswept Heath
42%inclusion23 decks55 decks
32%synergy
Misty Rainforest
40%inclusion22 decks55 decks
29%synergy
Arid Mesa
40%inclusion22 decks55 decks
30%synergy
Mana Confluence
38%inclusion21 decks55 decks
24%synergy
Scalding Tarn
36%inclusion20 decks55 decks
25%synergy
Undercity Sewers
29%inclusion16 decks55 decks
15%synergy
Raffine's Tower
29%inclusion16 decks55 decks
-12%synergy
Shadowy Backstreet
27%inclusion15 decks55 decks
15%synergy
Sink into Stupor
25%inclusion14 decks55 decks
13%synergy
Meticulous Archive
24%inclusion13 decks55 decks
10%synergy
Gloomlake Verge
24%inclusion13 decks55 decks
13%synergy
Reflecting Pool
22%inclusion12 decks55 decks
14%synergy
Spire of Industry
22%inclusion12 decks55 decks
13%synergy
Forbidden Orchard
22%inclusion12 decks55 decks
19%synergy
Floodfarm Verge
22%inclusion12 decks55 decks
11%synergy
Arcane Sanctum
18%inclusion10 decks55 decks
-36%synergy
Isolated Chapel
18%inclusion10 decks55 decks
-20%synergy
Glacial Fortress
16%inclusion9 decks55 decks
-23%synergy
Prairie Stream
16%inclusion9 decks55 decks
-24%synergy
Drowned Catacomb
16%inclusion9 decks55 decks
-19%synergy
Bleachbone Verge
16%inclusion7 decks45 decks
7%synergy
Shattered Sanctum
15%inclusion8 decks55 decks
-1%synergy
Sunken Hollow
13%inclusion7 decks55 decks
-27%synergy
Snow-Covered Swamp
13%inclusion7 decks55 decks
10%synergy
Contaminated Landscape
11%inclusion6 decks55 decks
-4%synergy
Snow-Covered Island
11%inclusion6 decks55 decks
8%synergy
Cavern of Souls
11%inclusion6 decks55 decks
4%synergy
Deserted Beach
11%inclusion6 decks55 decks
-10%synergy
Shipwreck Marsh
9.1%inclusion5 decks55 decks
-12%synergy
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