The Master of Keys (Commander) - Budget cEDH

The Master of Keys
Rank #306
57decks
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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%inclusion54 decks57 decks
85%synergy
Necromancy
84%inclusion48 decks57 decks
80%synergy
Entomb
81%inclusion46 decks57 decks
74%synergy
Abdel Adrian, Gorion's Ward
75%inclusion43 decks57 decks
74%synergy
Dance of the Dead
74%inclusion42 decks57 decks
71%synergy
Dark Ritual
89%inclusion51 decks57 decks
70%synergy
Grand Abolisher
82%inclusion47 decks57 decks
68%synergy
Dress Down
70%inclusion40 decks57 decks
68%synergy
Sevinne's Reclamation
75%inclusion43 decks57 decks
67%synergy
Mystic Remora
88%inclusion50 decks57 decks
66%synergy
Top Cards
Swords to Plowshares
79%inclusion45 decks57 decks
11%synergy
Silence
74%inclusion42 decks57 decks
63%synergy
Blind Obedience
74%inclusion42 decks57 decks
61%synergy
Demonic Consultation
74%inclusion42 decks57 decks
65%synergy
Esper Sentinel
72%inclusion41 decks57 decks
44%synergy
An Offer You Can't Refuse
67%inclusion38 decks57 decks
40%synergy
Tainted Pact
60%inclusion34 decks57 decks
52%synergy
Flusterstorm
58%inclusion33 decks57 decks
50%synergy
Lotho, Corrupt Shirriff
58%inclusion33 decks57 decks
41%synergy
Ripples of Undeath
58%inclusion33 decks57 decks
55%synergy
Game Changers
Enlightened Tutor
81%inclusion46 decks57 decks
61%synergy
Rhystic Study
79%inclusion45 decks57 decks
47%synergy
Demonic Tutor
77%inclusion44 decks57 decks
56%synergy
Thassa's Oracle
75%inclusion43 decks57 decks
66%synergy
Smothering Tithe
75%inclusion43 decks57 decks
44%synergy
Vampiric Tutor
68%inclusion39 decks57 decks
51%synergy
Mana Vault
60%inclusion34 decks57 decks
50%synergy
Mystical Tutor
60%inclusion34 decks57 decks
48%synergy
Necropotence
58%inclusion33 decks57 decks
51%synergy
Chrome Mox
56%inclusion32 decks57 decks
47%synergy
Creatures
Displacer Kitten
54%inclusion31 decks57 decks
47%synergy
Valley Floodcaller
53%inclusion30 decks57 decks
48%synergy
Orcish Bowmasters
53%inclusion30 decks57 decks
42%synergy
Opposition Agent
51%inclusion29 decks57 decks
42%synergy
Drannith Magistrate
42%inclusion24 decks57 decks
34%synergy
Hullbreaker Horror
42%inclusion24 decks57 decks
36%synergy
Ranger-Captain of Eos
40%inclusion23 decks57 decks
34%synergy
Archivist of Oghma
39%inclusion22 decks57 decks
32%synergy
Lurrus of the Dream-Den
35%inclusion20 decks57 decks
34%synergy
Voice of Victory
28%inclusion9 decks32 decks
20%synergy
Ledger Shredder
28%inclusion16 decks57 decks
19%synergy
Hoarding Broodlord
28%inclusion16 decks57 decks
26%synergy
Mockingbird
23%inclusion13 decks57 decks
18%synergy
Hedron Crab
21%inclusion12 decks57 decks
20%synergy
Tataru Taru
19%inclusion4 decks21 decks
11%synergy
Volatile Stormdrake
18%inclusion10 decks57 decks
16%synergy
Entity Tracker
18%inclusion10 decks57 decks
11%synergy
Wan Shi Tong, Librarian
17%inclusion1 decks6 decks
11%synergy
Leonin Relic-Warder
16%inclusion9 decks57 decks
16%synergy
Scrabbling Skullcrab
16%inclusion9 decks57 decks
15%synergy
Talion, the Kindly Lord
16%inclusion9 decks57 decks
8%synergy
Pollywog Prodigy
16%inclusion9 decks57 decks
12%synergy
Faerie Mastermind
16%inclusion9 decks57 decks
6%synergy
Dauthi Voidwalker
16%inclusion9 decks57 decks
10%synergy
Overlord of the Balemurk
14%inclusion8 decks57 decks
12%synergy
Grim Guardian
14%inclusion8 decks57 decks
11%synergy
Mesa Enchantress
14%inclusion8 decks57 decks
5%synergy
Starfield Mystic
12%inclusion7 decks57 decks
6%synergy
Zur the Enchanter
12%inclusion7 decks57 decks
7%synergy
Phyrexian Metamorph
12%inclusion7 decks57 decks
4%synergy
High Fae Trickster
12%inclusion6 decks51 decks
7%synergy
Ondu Spiritdancer
11%inclusion6 decks57 decks
4%synergy
Inquisitive Glimmer
11%inclusion6 decks57 decks
3%synergy
Auriok Salvagers
11%inclusion6 decks57 decks
10%synergy
Demon of Fate's Design
11%inclusion6 decks57 decks
5%synergy
Balemurk Leech
11%inclusion6 decks57 decks
10%synergy
Emet-Selch of the Third Seat
10%inclusion2 decks21 decks
0%synergy
Witch Enchanter
8.8%inclusion5 decks57 decks
2%synergy
Walking Ballista
8.8%inclusion5 decks57 decks
6%synergy
Vile Entomber
8.8%inclusion5 decks57 decks
8%synergy
Spellseeker
8.8%inclusion5 decks57 decks
7%synergy
Sage of Mysteries
8.8%inclusion5 decks57 decks
8%synergy
Fear of Sleep Paralysis
8.8%inclusion5 decks57 decks
3%synergy
Zur, Eternal Schemer
8.8%inclusion5 decks57 decks
6%synergy
Vohar, Vodalian Desecrator
8.8%inclusion5 decks57 decks
5%synergy
Gravebreaker Lamia
7.0%inclusion4 decks57 decks
6%synergy
Ghostly Dancers
7.0%inclusion4 decks57 decks
4%synergy
Malcolm, Alluring Scoundrel
7.0%inclusion4 decks57 decks
2%synergy
Archon of Sun's Grace
7.0%inclusion4 decks57 decks
2%synergy
Heliod, Sun-Crowned
7.0%inclusion4 decks57 decks
3%synergy
Instants
Swan Song
56%inclusion32 decks57 decks
37%synergy
Force of Will
51%inclusion29 decks57 decks
38%synergy
Mental Misstep
51%inclusion29 decks57 decks
44%synergy
Force of Negation
49%inclusion28 decks57 decks
37%synergy
Pact of Negation
49%inclusion28 decks57 decks
41%synergy
Mindbreak Trap
47%inclusion27 decks57 decks
40%synergy
Borne Upon a Wind
47%inclusion27 decks57 decks
42%synergy
Fierce Guardianship
44%inclusion25 decks57 decks
23%synergy
Cyclonic Rift
44%inclusion25 decks57 decks
20%synergy
Cabal Ritual
37%inclusion21 decks57 decks
33%synergy
Mana Drain
32%inclusion18 decks57 decks
14%synergy
Into the Flood Maw
30%inclusion17 decks57 decks
26%synergy
Chain of Vapor
28%inclusion16 decks57 decks
25%synergy
Gifts Ungiven
26%inclusion15 decks57 decks
24%synergy
Sink into Stupor
26%inclusion15 decks57 decks
14%synergy
Dispel
25%inclusion14 decks57 decks
21%synergy
Path to Exile
25%inclusion14 decks57 decks
-18%synergy
Intuition
25%inclusion14 decks57 decks
23%synergy
Saw in Half
23%inclusion13 decks57 decks
21%synergy
Dovin's Veto
21%inclusion12 decks57 decks
-4%synergy
Muddle the Mixture
18%inclusion10 decks57 decks
14%synergy
Arcane Denial
16%inclusion9 decks57 decks
-4%synergy
Sacrifice
16%inclusion9 decks57 decks
15%synergy
Frantic Search
16%inclusion9 decks57 decks
-2%synergy
Counterspell
16%inclusion9 decks57 decks
-26%synergy
Deadly Rollick
14%inclusion8 decks57 decks
0%synergy
Retraction Helix
12%inclusion7 decks57 decks
12%synergy
Brain Freeze
12%inclusion7 decks57 decks
12%synergy
Fact or Fiction
12%inclusion7 decks57 decks
8%synergy
Spell Pierce
12%inclusion7 decks57 decks
10%synergy
Dramatic Reversal
12%inclusion7 decks57 decks
10%synergy
Ad Nauseam
11%inclusion6 decks57 decks
8%synergy
Fell the Profane
8.8%inclusion5 decks57 decks
0%synergy
Lim-Dûl's Vault
8.8%inclusion5 decks57 decks
5%synergy
Culling the Weak
8.8%inclusion5 decks57 decks
7%synergy
Strix Serenade
8.8%inclusion5 decks57 decks
5%synergy
Orim's Chant
8.8%inclusion5 decks57 decks
7%synergy
Delay
8.8%inclusion5 decks57 decks
6%synergy
Waterlogged Teachings
8.8%inclusion5 decks57 decks
4%synergy
Drown in the Loch
7.0%inclusion4 decks57 decks
5%synergy
Void Rend
7.0%inclusion4 decks57 decks
-27%synergy
Hostile Negotiations
7.0%inclusion4 decks57 decks
6%synergy
Teferi's Protection
7.0%inclusion4 decks57 decks
-10%synergy
Brainstorm
7.0%inclusion4 decks57 decks
-10%synergy
Flare of Denial
7.0%inclusion4 decks57 decks
5%synergy
Shred Memory
7.0%inclusion4 decks57 decks
7%synergy
Anguished Unmaking
7.0%inclusion4 decks57 decks
-18%synergy
Miscast
7.0%inclusion4 decks57 decks
6%synergy
Louisoix's Sacrifice
5.9%inclusion1 decks17 decks
5%synergy
Resculpt
5.3%inclusion3 decks57 decks
4%synergy
Sorceries
Reanimate
54%inclusion31 decks57 decks
38%synergy
Windfall
44%inclusion25 decks57 decks
30%synergy
Toxic Deluge
40%inclusion23 decks57 decks
21%synergy
Imperial Seal
33%inclusion19 decks57 decks
26%synergy
Lively Dirge
30%inclusion17 decks57 decks
29%synergy
Unmarked Grave
25%inclusion14 decks57 decks
23%synergy
Buried Alive
21%inclusion12 decks57 decks
17%synergy
Beseech the Mirror
19%inclusion11 decks57 decks
15%synergy
Demonic Counsel
18%inclusion10 decks57 decks
16%synergy
Avatar's Wrath
17%inclusion1 decks6 decks
14%synergy
Victimize
12%inclusion7 decks57 decks
3%synergy
Diabolic Intent
11%inclusion6 decks57 decks
5%synergy
Mnemonic Betrayal
11%inclusion6 decks57 decks
7%synergy
Final Parting
11%inclusion6 decks57 decks
10%synergy
Damn
11%inclusion6 decks57 decks
-10%synergy
Singularity Rupture
7.1%inclusion1 decks14 decks
5%synergy
Cabal Therapy
7.0%inclusion4 decks57 decks
7%synergy
Ponder
7.0%inclusion4 decks57 decks
-2%synergy
Careful Study
7.0%inclusion4 decks57 decks
5%synergy
Persist
7.0%inclusion4 decks57 decks
5%synergy
Grim Tutor
7.0%inclusion4 decks57 decks
3%synergy
Peer into the Abyss
5.3%inclusion3 decks57 decks
3%synergy
Dread Return
5.3%inclusion3 decks57 decks
3%synergy
Replenish
5.3%inclusion3 decks57 decks
4%synergy
Praetor's Grasp
5.3%inclusion3 decks57 decks
2%synergy
Redress Fate
5.3%inclusion3 decks57 decks
-1%synergy
Yahenni's Expertise
5.3%inclusion3 decks57 decks
4%synergy
Dance of the Manse
5.3%inclusion3 decks57 decks
2%synergy
Utility Artifacts
Wishclaw Talisman
58%inclusion33 decks57 decks
50%synergy
The One Ring
51%inclusion29 decks57 decks
37%synergy
Cursed Totem
14%inclusion8 decks57 decks
12%synergy
Mesmeric Orb
12%inclusion7 decks57 decks
11%synergy
Isochron Scepter
12%inclusion7 decks57 decks
10%synergy
Altar of Dementia
11%inclusion6 decks57 decks
9%synergy
Collector's Vault
7.0%inclusion4 decks57 decks
5%synergy
Vexing Bauble
7.0%inclusion4 decks57 decks
5%synergy
Sensei's Divining Top
5.3%inclusion3 decks57 decks
-5%synergy
Enchantments
Tinybones Joins Up
56%inclusion32 decks57 decks
55%synergy
Amphibian Downpour
47%inclusion27 decks57 decks
43%synergy
Touch the Spirit Realm
37%inclusion21 decks57 decks
34%synergy
Mirrormade
37%inclusion21 decks57 decks
27%synergy
Static Prison
26%inclusion15 decks57 decks
26%synergy
The Meathook Massacre
25%inclusion14 decks57 decks
21%synergy
Chthonian Nightmare
23%inclusion13 decks57 decks
22%synergy
Copy Enchantment
19%inclusion11 decks57 decks
15%synergy
Copy Artifact
16%inclusion9 decks57 decks
15%synergy
Trouble in Pairs
16%inclusion9 decks57 decks
10%synergy
Steal Enchantment
16%inclusion9 decks57 decks
15%synergy
Monologue Tax
14%inclusion8 decks57 decks
8%synergy
Secret Arcade // Dusty Parlor
14%inclusion8 decks57 decks
9%synergy
Out of the Tombs
12%inclusion7 decks57 decks
12%synergy
Darksteel Mutation
11%inclusion6 decks57 decks
4%synergy
Leyline of Anticipation
11%inclusion6 decks57 decks
6%synergy
Second Chance
11%inclusion6 decks57 decks
10%synergy
Counterbalance
8.8%inclusion5 decks57 decks
7%synergy
Founding the Third Path
8.8%inclusion5 decks57 decks
9%synergy
Seal of Removal
8.8%inclusion5 decks57 decks
8%synergy
Out of Time
8.8%inclusion5 decks57 decks
8%synergy
Sphere of Safety
8.8%inclusion5 decks57 decks
-1%synergy
Land Tax
8.8%inclusion5 decks57 decks
3%synergy
Verity Circle
7.0%inclusion4 decks57 decks
7%synergy
Greater Auramancy
7.0%inclusion4 decks57 decks
3%synergy
Estrid's Invocation
7.0%inclusion4 decks57 decks
2%synergy
Fraying Sanity
7.0%inclusion4 decks57 decks
7%synergy
Black Market Connections
7.0%inclusion4 decks57 decks
-7%synergy
Aura of Silence
7.0%inclusion4 decks57 decks
4%synergy
Smuggler's Share
5.3%inclusion3 decks57 decks
3%synergy
Sigil of the Empty Throne
5.3%inclusion3 decks57 decks
-1%synergy
Enchanted Evening
5.3%inclusion3 decks57 decks
4%synergy
Propaganda
5.3%inclusion3 decks57 decks
-22%synergy
Cacophony Unleashed
5.3%inclusion3 decks57 decks
4%synergy
Unable to Scream
5.3%inclusion3 decks57 decks
4%synergy
Starfield of Nyx
5.3%inclusion3 decks57 decks
1%synergy
Seal of Cleansing
5.3%inclusion3 decks57 decks
4%synergy
Arguel's Blood Fast
5.3%inclusion3 decks57 decks
5%synergy
Telepathy
5.3%inclusion3 decks57 decks
3%synergy
Planeswalkers
Teferi, Time Raveler
56%inclusion32 decks57 decks
48%synergy
Ashiok, Dream Render
8.8%inclusion5 decks57 decks
7%synergy
Jace, Wielder of Mysteries
5.3%inclusion3 decks57 decks
3%synergy
Utility Lands
Otawara, Soaring City
44%inclusion25 decks57 decks
25%synergy
Ancient Tomb
40%inclusion23 decks57 decks
27%synergy
Hall of Heliod's Generosity
26%inclusion15 decks57 decks
13%synergy
Urza's Saga
25%inclusion14 decks57 decks
13%synergy
Cephalid Coliseum
25%inclusion14 decks57 decks
21%synergy
Emergence Zone
21%inclusion12 decks57 decks
19%synergy
Urborg, Tomb of Yawgmoth
14%inclusion8 decks57 decks
1%synergy
Minamo, School at Water's Edge
12%inclusion7 decks57 decks
8%synergy
Takenuma, Abandoned Mire
12%inclusion7 decks57 decks
6%synergy
Bojuka Bog
12%inclusion7 decks57 decks
-15%synergy
Reliquary Tower
8.8%inclusion5 decks57 decks
-25%synergy
Serra's Sanctum
7.0%inclusion4 decks57 decks
5%synergy
Cabal Coffers
7.0%inclusion4 decks57 decks
4%synergy
Cabal Pit
5.3%inclusion3 decks57 decks
5%synergy
Phyrexian Tower
5.3%inclusion3 decks57 decks
2%synergy
Mana Artifacts
Sol Ring
98%inclusion56 decks57 decks
8%synergy
Arcane Signet
96%inclusion55 decks57 decks
9%synergy
Talisman of Dominance
81%inclusion46 decks57 decks
31%synergy
Talisman of Progress
72%inclusion41 decks57 decks
29%synergy
Fellwar Stone
72%inclusion41 decks57 decks
38%synergy
Lotus Petal
70%inclusion40 decks57 decks
59%synergy
Talisman of Hierarchy
67%inclusion38 decks57 decks
23%synergy
Mox Opal
33%inclusion19 decks57 decks
25%synergy
Mox Amber
30%inclusion17 decks57 decks
24%synergy
Azorius Signet
21%inclusion12 decks57 decks
-11%synergy
Orzhov Signet
19%inclusion11 decks57 decks
-14%synergy
Dimir Signet
18%inclusion10 decks57 decks
-14%synergy
Basalt Monolith
7.0%inclusion4 decks57 decks
5%synergy
Grim Monolith
5.3%inclusion3 decks57 decks
2%synergy
Thought Vessel
5.3%inclusion3 decks57 decks
-19%synergy
Lion's Eye Diamond
5.3%inclusion3 decks57 decks
3%synergy
Lands
Command Tower
91%inclusion52 decks57 decks
-1%synergy
Island
88%inclusion50 decks57 decks
-5%synergy
Swamp
86%inclusion49 decks57 decks
-5%synergy
Plains
79%inclusion45 decks57 decks
-13%synergy
Godless Shrine
77%inclusion44 decks57 decks
27%synergy
Watery Grave
72%inclusion41 decks57 decks
22%synergy
Hallowed Fountain
70%inclusion40 decks57 decks
21%synergy
Polluted Delta
68%inclusion39 decks57 decks
31%synergy
Marsh Flats
67%inclusion38 decks57 decks
30%synergy
Flooded Strand
65%inclusion37 decks57 decks
27%synergy
Exotic Orchard
56%inclusion32 decks57 decks
-2%synergy
Sea of Clouds
51%inclusion29 decks57 decks
15%synergy
City of Brass
51%inclusion29 decks57 decks
36%synergy
Vault of Champions
51%inclusion29 decks57 decks
18%synergy
Morphic Pool
47%inclusion27 decks57 decks
13%synergy
Caves of Koilos
47%inclusion27 decks57 decks
12%synergy
Adarkar Wastes
46%inclusion26 decks57 decks
14%synergy
Verdant Catacombs
42%inclusion24 decks57 decks
32%synergy
Underground River
42%inclusion24 decks57 decks
9%synergy
Bloodstained Mire
42%inclusion24 decks57 decks
31%synergy
Gemstone Caverns
40%inclusion23 decks57 decks
33%synergy
Windswept Heath
40%inclusion23 decks57 decks
30%synergy
Arid Mesa
39%inclusion22 decks57 decks
29%synergy
Mana Confluence
39%inclusion22 decks57 decks
25%synergy
Misty Rainforest
39%inclusion22 decks57 decks
27%synergy
Scalding Tarn
35%inclusion20 decks57 decks
24%synergy
Raffine's Tower
32%inclusion18 decks57 decks
-9%synergy
Undercity Sewers
32%inclusion18 decks57 decks
17%synergy
Shadowy Backstreet
30%inclusion17 decks57 decks
17%synergy
Sink into Stupor
26%inclusion15 decks57 decks
14%synergy
Meticulous Archive
26%inclusion15 decks57 decks
13%synergy
Gloomlake Verge
21%inclusion12 decks57 decks
10%synergy
Spire of Industry
21%inclusion12 decks57 decks
13%synergy
Reflecting Pool
21%inclusion12 decks57 decks
13%synergy
Arcane Sanctum
19%inclusion11 decks57 decks
-35%synergy
Forbidden Orchard
19%inclusion11 decks57 decks
17%synergy
Floodfarm Verge
19%inclusion11 decks57 decks
8%synergy
Prairie Stream
16%inclusion9 decks57 decks
-25%synergy
Isolated Chapel
16%inclusion9 decks57 decks
-24%synergy
Drowned Catacomb
16%inclusion9 decks57 decks
-20%synergy
Glacial Fortress
14%inclusion8 decks57 decks
-27%synergy
Shattered Sanctum
14%inclusion8 decks57 decks
-2%synergy
Bleachbone Verge
13%inclusion6 decks47 decks
4%synergy
Cavern of Souls
12%inclusion7 decks57 decks
6%synergy
Snow-Covered Swamp
12%inclusion7 decks57 decks
9%synergy
Sunken Hollow
12%inclusion7 decks57 decks
-27%synergy
Snow-Covered Island
11%inclusion6 decks57 decks
7%synergy
Contaminated Landscape
11%inclusion6 decks57 decks
-4%synergy
Deserted Beach
11%inclusion6 decks57 decks
-10%synergy
Witch Enchanter
8.8%inclusion5 decks57 decks
2%synergy
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