The Master of Keys (Commander) - Budget cEDH

The Master of Keys
Rank #306
58decks
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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
95%inclusion55 decks58 decks
85%synergy
Necromancy
84%inclusion49 decks58 decks
80%synergy
Entomb
81%inclusion47 decks58 decks
74%synergy
Abdel Adrian, Gorion's Ward
76%inclusion44 decks58 decks
74%synergy
Dance of the Dead
74%inclusion43 decks58 decks
72%synergy
Dark Ritual
90%inclusion52 decks58 decks
70%synergy
Dress Down
71%inclusion41 decks58 decks
68%synergy
Grand Abolisher
83%inclusion48 decks58 decks
68%synergy
Mystic Remora
88%inclusion51 decks58 decks
67%synergy
Sevinne's Reclamation
74%inclusion43 decks58 decks
65%synergy
Top Cards
Swords to Plowshares
79%inclusion46 decks58 decks
11%synergy
Silence
74%inclusion43 decks58 decks
64%synergy
Esper Sentinel
72%inclusion42 decks58 decks
45%synergy
Demonic Consultation
72%inclusion42 decks58 decks
64%synergy
Blind Obedience
72%inclusion42 decks58 decks
60%synergy
An Offer You Can't Refuse
67%inclusion39 decks58 decks
40%synergy
Tainted Pact
59%inclusion34 decks58 decks
51%synergy
Wishclaw Talisman
57%inclusion33 decks58 decks
49%synergy
Lotho, Corrupt Shirriff
57%inclusion33 decks58 decks
40%synergy
Ripples of Undeath
57%inclusion33 decks58 decks
54%synergy
Game Changers
Rhystic Study
79%inclusion46 decks58 decks
48%synergy
Enlightened Tutor
79%inclusion46 decks58 decks
60%synergy
Demonic Tutor
78%inclusion45 decks58 decks
57%synergy
Smothering Tithe
76%inclusion44 decks58 decks
44%synergy
Thassa's Oracle
74%inclusion43 decks58 decks
65%synergy
Vampiric Tutor
67%inclusion39 decks58 decks
50%synergy
Mana Vault
60%inclusion35 decks58 decks
51%synergy
Necropotence
59%inclusion34 decks58 decks
52%synergy
Mystical Tutor
59%inclusion34 decks58 decks
47%synergy
Chrome Mox
55%inclusion32 decks58 decks
46%synergy
Creatures
Displacer Kitten
53%inclusion31 decks58 decks
46%synergy
Orcish Bowmasters
52%inclusion30 decks58 decks
41%synergy
Valley Floodcaller
52%inclusion30 decks58 decks
48%synergy
Opposition Agent
50%inclusion29 decks58 decks
41%synergy
Drannith Magistrate
43%inclusion25 decks58 decks
35%synergy
Hullbreaker Horror
41%inclusion24 decks58 decks
35%synergy
Ranger-Captain of Eos
40%inclusion23 decks58 decks
33%synergy
Archivist of Oghma
38%inclusion22 decks58 decks
31%synergy
Lurrus of the Dream-Den
34%inclusion20 decks58 decks
33%synergy
Hoarding Broodlord
28%inclusion16 decks58 decks
26%synergy
Ledger Shredder
28%inclusion16 decks58 decks
19%synergy
Voice of Victory
27%inclusion9 decks33 decks
19%synergy
Mockingbird
22%inclusion13 decks58 decks
18%synergy
Hedron Crab
21%inclusion12 decks58 decks
20%synergy
Entity Tracker
19%inclusion11 decks58 decks
13%synergy
Tataru Taru
18%inclusion4 decks22 decks
10%synergy
Volatile Stormdrake
17%inclusion10 decks58 decks
16%synergy
Faerie Mastermind
17%inclusion10 decks58 decks
8%synergy
Dauthi Voidwalker
17%inclusion10 decks58 decks
11%synergy
Scrabbling Skullcrab
16%inclusion9 decks58 decks
15%synergy
Pollywog Prodigy
16%inclusion9 decks58 decks
12%synergy
Leonin Relic-Warder
16%inclusion9 decks58 decks
15%synergy
Mesa Enchantress
16%inclusion9 decks58 decks
7%synergy
Talion, the Kindly Lord
16%inclusion9 decks58 decks
8%synergy
Grim Guardian
14%inclusion8 decks58 decks
11%synergy
Zur the Enchanter
14%inclusion8 decks58 decks
9%synergy
Phyrexian Metamorph
14%inclusion8 decks58 decks
5%synergy
Overlord of the Balemurk
14%inclusion8 decks58 decks
12%synergy
Starfield Mystic
14%inclusion8 decks58 decks
7%synergy
Wan Shi Tong, Librarian
13%inclusion1 decks8 decks
7%synergy
Demon of Fate's Design
12%inclusion7 decks58 decks
7%synergy
Inquisitive Glimmer
12%inclusion7 decks58 decks
5%synergy
High Fae Trickster
12%inclusion6 decks52 decks
7%synergy
Balemurk Leech
10%inclusion6 decks58 decks
10%synergy
Ondu Spiritdancer
10%inclusion6 decks58 decks
4%synergy
Auriok Salvagers
10%inclusion6 decks58 decks
10%synergy
Emet-Selch of the Third Seat
9.1%inclusion2 decks22 decks
-1%synergy
Gravebreaker Lamia
8.6%inclusion5 decks58 decks
8%synergy
Vohar, Vodalian Desecrator
8.6%inclusion5 decks58 decks
5%synergy
Spellseeker
8.6%inclusion5 decks58 decks
7%synergy
Vile Entomber
8.6%inclusion5 decks58 decks
8%synergy
Zur, Eternal Schemer
8.6%inclusion5 decks58 decks
5%synergy
Witch Enchanter
8.6%inclusion5 decks58 decks
2%synergy
Walking Ballista
8.6%inclusion5 decks58 decks
6%synergy
Sage of Mysteries
8.6%inclusion5 decks58 decks
8%synergy
Fear of Sleep Paralysis
8.6%inclusion5 decks58 decks
3%synergy
Notion Thief
6.9%inclusion4 decks58 decks
0%synergy
Overlord of the Floodpits
6.9%inclusion4 decks58 decks
3%synergy
Malcolm, Alluring Scoundrel
6.9%inclusion4 decks58 decks
2%synergy
Malevolent Hermit
6.9%inclusion4 decks58 decks
6%synergy
Instants
Flusterstorm
57%inclusion33 decks58 decks
49%synergy
Swan Song
57%inclusion33 decks58 decks
37%synergy
Mental Misstep
50%inclusion29 decks58 decks
43%synergy
Force of Will
50%inclusion29 decks58 decks
37%synergy
Mindbreak Trap
48%inclusion28 decks58 decks
41%synergy
Pact of Negation
48%inclusion28 decks58 decks
40%synergy
Force of Negation
48%inclusion28 decks58 decks
36%synergy
Borne Upon a Wind
47%inclusion27 decks58 decks
42%synergy
Cyclonic Rift
45%inclusion26 decks58 decks
21%synergy
Fierce Guardianship
43%inclusion25 decks58 decks
22%synergy
Cabal Ritual
36%inclusion21 decks58 decks
33%synergy
Mana Drain
31%inclusion18 decks58 decks
14%synergy
Into the Flood Maw
29%inclusion17 decks58 decks
26%synergy
Chain of Vapor
28%inclusion16 decks58 decks
24%synergy
Sink into Stupor
28%inclusion16 decks58 decks
15%synergy
Gifts Ungiven
26%inclusion15 decks58 decks
23%synergy
Intuition
24%inclusion14 decks58 decks
22%synergy
Path to Exile
24%inclusion14 decks58 decks
-18%synergy
Dispel
24%inclusion14 decks58 decks
21%synergy
Saw in Half
22%inclusion13 decks58 decks
20%synergy
Dovin's Veto
21%inclusion12 decks58 decks
-5%synergy
Muddle the Mixture
19%inclusion11 decks58 decks
15%synergy
Counterspell
17%inclusion10 decks58 decks
-24%synergy
Arcane Denial
17%inclusion10 decks58 decks
-3%synergy
Frantic Search
17%inclusion10 decks58 decks
0%synergy
Deadly Rollick
16%inclusion9 decks58 decks
1%synergy
Sacrifice
16%inclusion9 decks58 decks
15%synergy
Retraction Helix
12%inclusion7 decks58 decks
11%synergy
Brain Freeze
12%inclusion7 decks58 decks
12%synergy
Spell Pierce
12%inclusion7 decks58 decks
9%synergy
Fact or Fiction
12%inclusion7 decks58 decks
8%synergy
Dramatic Reversal
12%inclusion7 decks58 decks
10%synergy
Ad Nauseam
10%inclusion6 decks58 decks
8%synergy
Fell the Profane
10%inclusion6 decks58 decks
2%synergy
Culling the Weak
8.6%inclusion5 decks58 decks
7%synergy
Strix Serenade
8.6%inclusion5 decks58 decks
5%synergy
Anguished Unmaking
8.6%inclusion5 decks58 decks
-17%synergy
Lim-Dûl's Vault
8.6%inclusion5 decks58 decks
5%synergy
Waterlogged Teachings
8.6%inclusion5 decks58 decks
4%synergy
Orim's Chant
8.6%inclusion5 decks58 decks
7%synergy
Delay
8.6%inclusion5 decks58 decks
6%synergy
Teferi's Protection
6.9%inclusion4 decks58 decks
-10%synergy
Brainstorm
6.9%inclusion4 decks58 decks
-10%synergy
Miscast
6.9%inclusion4 decks58 decks
6%synergy
Shred Memory
6.9%inclusion4 decks58 decks
7%synergy
Flare of Denial
6.9%inclusion4 decks58 decks
5%synergy
Void Rend
6.9%inclusion4 decks58 decks
-27%synergy
Hostile Negotiations
6.9%inclusion4 decks58 decks
6%synergy
Drown in the Loch
6.9%inclusion4 decks58 decks
5%synergy
Negate
6.9%inclusion4 decks58 decks
-9%synergy
Sorceries
Reanimate
55%inclusion32 decks58 decks
39%synergy
Windfall
45%inclusion26 decks58 decks
31%synergy
Toxic Deluge
41%inclusion24 decks58 decks
22%synergy
Imperial Seal
33%inclusion19 decks58 decks
25%synergy
Lively Dirge
29%inclusion17 decks58 decks
28%synergy
Unmarked Grave
24%inclusion14 decks58 decks
23%synergy
Buried Alive
21%inclusion12 decks58 decks
17%synergy
Beseech the Mirror
19%inclusion11 decks58 decks
15%synergy
Demonic Counsel
17%inclusion10 decks58 decks
16%synergy
Avatar's Wrath
13%inclusion1 decks8 decks
10%synergy
Victimize
12%inclusion7 decks58 decks
3%synergy
Damn
12%inclusion7 decks58 decks
-8%synergy
Diabolic Intent
10%inclusion6 decks58 decks
5%synergy
Mnemonic Betrayal
10%inclusion6 decks58 decks
7%synergy
Final Parting
10%inclusion6 decks58 decks
10%synergy
Grim Tutor
8.6%inclusion5 decks58 decks
4%synergy
Cabal Therapy
6.9%inclusion4 decks58 decks
7%synergy
Ponder
6.9%inclusion4 decks58 decks
-2%synergy
Careful Study
6.9%inclusion4 decks58 decks
5%synergy
Persist
6.9%inclusion4 decks58 decks
5%synergy
Singularity Rupture
6.7%inclusion1 decks15 decks
4%synergy
Dread Return
5.2%inclusion3 decks58 decks
2%synergy
Redress Fate
5.2%inclusion3 decks58 decks
-1%synergy
Peer into the Abyss
5.2%inclusion3 decks58 decks
3%synergy
Replenish
5.2%inclusion3 decks58 decks
3%synergy
Praetor's Grasp
5.2%inclusion3 decks58 decks
2%synergy
Yahenni's Expertise
5.2%inclusion3 decks58 decks
4%synergy
Dance of the Manse
5.2%inclusion3 decks58 decks
2%synergy
Utility Artifacts
The One Ring
50%inclusion29 decks58 decks
37%synergy
Cursed Totem
14%inclusion8 decks58 decks
11%synergy
Mesmeric Orb
12%inclusion7 decks58 decks
11%synergy
Isochron Scepter
12%inclusion7 decks58 decks
10%synergy
Altar of Dementia
10%inclusion6 decks58 decks
9%synergy
Vexing Bauble
6.9%inclusion4 decks58 decks
5%synergy
Collector's Vault
6.9%inclusion4 decks58 decks
5%synergy
Sensei's Divining Top
5.2%inclusion3 decks58 decks
-5%synergy
Enchantments
Tinybones Joins Up
55%inclusion32 decks58 decks
54%synergy
Amphibian Downpour
48%inclusion28 decks58 decks
44%synergy
Mirrormade
38%inclusion22 decks58 decks
28%synergy
Touch the Spirit Realm
36%inclusion21 decks58 decks
34%synergy
Static Prison
26%inclusion15 decks58 decks
25%synergy
The Meathook Massacre
24%inclusion14 decks58 decks
21%synergy
Chthonian Nightmare
22%inclusion13 decks58 decks
22%synergy
Copy Enchantment
19%inclusion11 decks58 decks
14%synergy
Steal Enchantment
16%inclusion9 decks58 decks
15%synergy
Trouble in Pairs
16%inclusion9 decks58 decks
10%synergy
Copy Artifact
16%inclusion9 decks58 decks
14%synergy
Secret Arcade // Dusty Parlor
16%inclusion9 decks58 decks
11%synergy
Monologue Tax
14%inclusion8 decks58 decks
8%synergy
Out of the Tombs
12%inclusion7 decks58 decks
12%synergy
Darksteel Mutation
10%inclusion6 decks58 decks
4%synergy
Leyline of Anticipation
10%inclusion6 decks58 decks
6%synergy
Second Chance
10%inclusion6 decks58 decks
10%synergy
Out of Time
8.6%inclusion5 decks58 decks
8%synergy
Land Tax
8.6%inclusion5 decks58 decks
3%synergy
Counterbalance
8.6%inclusion5 decks58 decks
7%synergy
Founding the Third Path
8.6%inclusion5 decks58 decks
8%synergy
Sphere of Safety
8.6%inclusion5 decks58 decks
-1%synergy
Seal of Removal
8.6%inclusion5 decks58 decks
8%synergy
Cacophony Unleashed
6.9%inclusion4 decks58 decks
5%synergy
Fraying Sanity
6.9%inclusion4 decks58 decks
6%synergy
Black Market Connections
6.9%inclusion4 decks58 decks
-7%synergy
Aura of Silence
6.9%inclusion4 decks58 decks
4%synergy
Seal of Cleansing
6.9%inclusion4 decks58 decks
5%synergy
Verity Circle
6.9%inclusion4 decks58 decks
6%synergy
Estrid's Invocation
6.9%inclusion4 decks58 decks
2%synergy
Greater Auramancy
6.9%inclusion4 decks58 decks
2%synergy
Smuggler's Share
5.2%inclusion3 decks58 decks
3%synergy
Sigil of the Empty Throne
5.2%inclusion3 decks58 decks
-1%synergy
Unable to Scream
5.2%inclusion3 decks58 decks
4%synergy
Arguel's Blood Fast
5.2%inclusion3 decks58 decks
5%synergy
Enchanted Evening
5.2%inclusion3 decks58 decks
4%synergy
Telepathy
5.2%inclusion3 decks58 decks
3%synergy
Propaganda
5.2%inclusion3 decks58 decks
-22%synergy
Starfield of Nyx
5.2%inclusion3 decks58 decks
1%synergy
Planeswalkers
Teferi, Time Raveler
55%inclusion32 decks58 decks
47%synergy
Ashiok, Dream Render
8.6%inclusion5 decks58 decks
7%synergy
Jace, Wielder of Mysteries
5.2%inclusion3 decks58 decks
3%synergy
Utility Lands
Otawara, Soaring City
43%inclusion25 decks58 decks
24%synergy
Ancient Tomb
40%inclusion23 decks58 decks
27%synergy
Hall of Heliod's Generosity
26%inclusion15 decks58 decks
13%synergy
Cephalid Coliseum
26%inclusion15 decks58 decks
22%synergy
Urza's Saga
24%inclusion14 decks58 decks
12%synergy
Emergence Zone
22%inclusion13 decks58 decks
20%synergy
Urborg, Tomb of Yawgmoth
14%inclusion8 decks58 decks
1%synergy
Takenuma, Abandoned Mire
14%inclusion8 decks58 decks
7%synergy
Bojuka Bog
12%inclusion7 decks58 decks
-15%synergy
Minamo, School at Water's Edge
12%inclusion7 decks58 decks
8%synergy
Reliquary Tower
8.6%inclusion5 decks58 decks
-25%synergy
Serra's Sanctum
6.9%inclusion4 decks58 decks
5%synergy
Cabal Coffers
6.9%inclusion4 decks58 decks
4%synergy
Cabal Pit
6.9%inclusion4 decks58 decks
7%synergy
Phyrexian Tower
5.2%inclusion3 decks58 decks
2%synergy
Shizo, Death's Storehouse
5.2%inclusion3 decks58 decks
3%synergy
Eiganjo, Seat of the Empire
5.2%inclusion3 decks58 decks
0%synergy
Mana Artifacts
Sol Ring
98%inclusion57 decks58 decks
8%synergy
Arcane Signet
97%inclusion56 decks58 decks
9%synergy
Talisman of Dominance
81%inclusion47 decks58 decks
31%synergy
Fellwar Stone
72%inclusion42 decks58 decks
39%synergy
Talisman of Progress
72%inclusion42 decks58 decks
29%synergy
Lotus Petal
71%inclusion41 decks58 decks
60%synergy
Talisman of Hierarchy
67%inclusion39 decks58 decks
23%synergy
Mox Opal
33%inclusion19 decks58 decks
24%synergy
Mox Amber
29%inclusion17 decks58 decks
23%synergy
Azorius Signet
22%inclusion13 decks58 decks
-9%synergy
Orzhov Signet
21%inclusion12 decks58 decks
-13%synergy
Dimir Signet
19%inclusion11 decks58 decks
-13%synergy
Basalt Monolith
6.9%inclusion4 decks58 decks
5%synergy
Grim Monolith
5.2%inclusion3 decks58 decks
2%synergy
Thought Vessel
5.2%inclusion3 decks58 decks
-20%synergy
Lion's Eye Diamond
5.2%inclusion3 decks58 decks
3%synergy
Lands
Command Tower
91%inclusion53 decks58 decks
-1%synergy
Island
88%inclusion51 decks58 decks
-5%synergy
Swamp
86%inclusion50 decks58 decks
-5%synergy
Plains
79%inclusion46 decks58 decks
-12%synergy
Godless Shrine
78%inclusion45 decks58 decks
27%synergy
Watery Grave
72%inclusion42 decks58 decks
22%synergy
Hallowed Fountain
71%inclusion41 decks58 decks
21%synergy
Polluted Delta
69%inclusion40 decks58 decks
31%synergy
Marsh Flats
67%inclusion39 decks58 decks
31%synergy
Flooded Strand
66%inclusion38 decks58 decks
27%synergy
Exotic Orchard
57%inclusion33 decks58 decks
-2%synergy
Vault of Champions
52%inclusion30 decks58 decks
19%synergy
Sea of Clouds
52%inclusion30 decks58 decks
16%synergy
City of Brass
50%inclusion29 decks58 decks
35%synergy
Morphic Pool
48%inclusion28 decks58 decks
14%synergy
Caves of Koilos
48%inclusion28 decks58 decks
13%synergy
Adarkar Wastes
47%inclusion27 decks58 decks
15%synergy
Verdant Catacombs
43%inclusion25 decks58 decks
33%synergy
Underground River
43%inclusion25 decks58 decks
10%synergy
Bloodstained Mire
43%inclusion25 decks58 decks
32%synergy
Windswept Heath
41%inclusion24 decks58 decks
32%synergy
Gemstone Caverns
40%inclusion23 decks58 decks
32%synergy
Misty Rainforest
38%inclusion22 decks58 decks
27%synergy
Arid Mesa
38%inclusion22 decks58 decks
28%synergy
Mana Confluence
38%inclusion22 decks58 decks
24%synergy
Scalding Tarn
34%inclusion20 decks58 decks
23%synergy
Raffine's Tower
31%inclusion18 decks58 decks
-10%synergy
Undercity Sewers
31%inclusion18 decks58 decks
17%synergy
Shadowy Backstreet
29%inclusion17 decks58 decks
17%synergy
Sink into Stupor
28%inclusion16 decks58 decks
15%synergy
Meticulous Archive
26%inclusion15 decks58 decks
12%synergy
Reflecting Pool
21%inclusion12 decks58 decks
13%synergy
Gloomlake Verge
21%inclusion12 decks58 decks
10%synergy
Spire of Industry
21%inclusion12 decks58 decks
12%synergy
Floodfarm Verge
19%inclusion11 decks58 decks
8%synergy
Arcane Sanctum
19%inclusion11 decks58 decks
-36%synergy
Forbidden Orchard
19%inclusion11 decks58 decks
17%synergy
Isolated Chapel
16%inclusion9 decks58 decks
-24%synergy
Drowned Catacomb
16%inclusion9 decks58 decks
-21%synergy
Prairie Stream
16%inclusion9 decks58 decks
-25%synergy
Shattered Sanctum
16%inclusion9 decks58 decks
-1%synergy
Glacial Fortress
14%inclusion8 decks58 decks
-27%synergy
Bleachbone Verge
13%inclusion6 decks48 decks
4%synergy
Cavern of Souls
12%inclusion7 decks58 decks
5%synergy
Deserted Beach
12%inclusion7 decks58 decks
-9%synergy
Sunken Hollow
12%inclusion7 decks58 decks
-28%synergy
Snow-Covered Swamp
12%inclusion7 decks58 decks
9%synergy
Contaminated Landscape
10%inclusion6 decks58 decks
-4%synergy
Snow-Covered Island
10%inclusion6 decks58 decks
7%synergy
Fell the Profane
10%inclusion6 decks58 decks
2%synergy
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