The Master of Keys (Commander) - Budget cEDH

The Master of Keys
Rank #300
59decks
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Budget
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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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Splinter's Technique
14%inclusion1 decks7 decks
11%synergy
High Synergy Cards
Animate Dead
95%inclusion56 decks59 decks
85%synergy
Necromancy
85%inclusion50 decks59 decks
80%synergy
Abdel Adrian, Gorion's Ward
78%inclusion46 decks59 decks
76%synergy
Entomb
81%inclusion48 decks59 decks
75%synergy
Dance of the Dead
75%inclusion44 decks59 decks
72%synergy
Dress Down
75%inclusion44 decks59 decks
72%synergy
Mystic Remora
90%inclusion53 decks59 decks
69%synergy
Sevinne's Reclamation
78%inclusion46 decks59 decks
69%synergy
Dark Ritual
88%inclusion52 decks59 decks
68%synergy
Grand Abolisher
80%inclusion47 decks59 decks
65%synergy
Top Cards
Swords to Plowshares
80%inclusion47 decks59 decks
12%synergy
Esper Sentinel
75%inclusion44 decks59 decks
47%synergy
Blind Obedience
73%inclusion43 decks59 decks
61%synergy
Silence
71%inclusion42 decks59 decks
61%synergy
Demonic Consultation
71%inclusion42 decks59 decks
63%synergy
An Offer You Can't Refuse
63%inclusion37 decks59 decks
35%synergy
Tainted Pact
61%inclusion36 decks59 decks
54%synergy
Reanimate
59%inclusion35 decks59 decks
43%synergy
Ripples of Undeath
58%inclusion34 decks59 decks
55%synergy
Swan Song
58%inclusion34 decks59 decks
38%synergy
Game Changers
Enlightened Tutor
80%inclusion47 decks59 decks
61%synergy
Rhystic Study
78%inclusion46 decks59 decks
47%synergy
Demonic Tutor
78%inclusion46 decks59 decks
57%synergy
Thassa's Oracle
76%inclusion45 decks59 decks
67%synergy
Smothering Tithe
76%inclusion45 decks59 decks
46%synergy
Vampiric Tutor
66%inclusion39 decks59 decks
49%synergy
Mana Vault
61%inclusion36 decks59 decks
52%synergy
Necropotence
58%inclusion34 decks59 decks
51%synergy
Mystical Tutor
56%inclusion33 decks59 decks
45%synergy
Chrome Mox
54%inclusion32 decks59 decks
45%synergy
Creatures
Displacer Kitten
54%inclusion32 decks59 decks
47%synergy
Lotho, Corrupt Shirriff
53%inclusion31 decks59 decks
36%synergy
Valley Floodcaller
51%inclusion30 decks59 decks
47%synergy
Orcish Bowmasters
51%inclusion30 decks59 decks
41%synergy
Opposition Agent
46%inclusion27 decks59 decks
38%synergy
Ranger-Captain of Eos
42%inclusion25 decks59 decks
36%synergy
Drannith Magistrate
41%inclusion24 decks59 decks
33%synergy
Hullbreaker Horror
41%inclusion24 decks59 decks
35%synergy
Archivist of Oghma
37%inclusion22 decks59 decks
31%synergy
Lurrus of the Dream-Den
36%inclusion21 decks59 decks
34%synergy
Voice of Victory
28%inclusion10 decks36 decks
19%synergy
Ledger Shredder
27%inclusion16 decks59 decks
18%synergy
Hoarding Broodlord
25%inclusion15 decks59 decks
24%synergy
Mockingbird
20%inclusion12 decks59 decks
16%synergy
Entity Tracker
20%inclusion12 decks59 decks
14%synergy
Hedron Crab
19%inclusion11 decks59 decks
18%synergy
Volatile Stormdrake
17%inclusion10 decks59 decks
16%synergy
Scrabbling Skullcrab
17%inclusion10 decks59 decks
16%synergy
Faerie Mastermind
17%inclusion10 decks59 decks
7%synergy
Overlord of the Balemurk
17%inclusion10 decks59 decks
15%synergy
Leonin Relic-Warder
17%inclusion10 decks59 decks
17%synergy
Wan Shi Tong, Librarian
17%inclusion2 decks12 decks
12%synergy
Tataru Taru
16%inclusion4 decks25 decks
8%synergy
Starfield Mystic
15%inclusion9 decks59 decks
9%synergy
Pollywog Prodigy
15%inclusion9 decks59 decks
12%synergy
Talion, the Kindly Lord
15%inclusion9 decks59 decks
8%synergy
Grim Guardian
15%inclusion9 decks59 decks
13%synergy
Mesa Enchantress
15%inclusion9 decks59 decks
6%synergy
Dauthi Voidwalker
15%inclusion9 decks59 decks
10%synergy
Phyrexian Metamorph
14%inclusion8 decks59 decks
5%synergy
Inquisitive Glimmer
14%inclusion8 decks59 decks
6%synergy
Zur the Enchanter
14%inclusion8 decks59 decks
8%synergy
Overlord of the Floodpits
12%inclusion7 decks59 decks
8%synergy
Demon of Fate's Design
12%inclusion7 decks59 decks
6%synergy
Ondu Spiritdancer
12%inclusion7 decks59 decks
6%synergy
Balemurk Leech
12%inclusion7 decks59 decks
11%synergy
High Fae Trickster
11%inclusion6 decks53 decks
7%synergy
Gravebreaker Lamia
10%inclusion6 decks59 decks
9%synergy
Sage of Mysteries
10%inclusion6 decks59 decks
10%synergy
Auriok Salvagers
10%inclusion6 decks59 decks
10%synergy
Doomwake Giant
10%inclusion6 decks59 decks
4%synergy
Vile Entomber
8.5%inclusion5 decks59 decks
8%synergy
Spellseeker
8.5%inclusion5 decks59 decks
7%synergy
Walking Ballista
8.5%inclusion5 decks59 decks
6%synergy
Fear of Sleep Paralysis
8.5%inclusion5 decks59 decks
3%synergy
The Unagi of Kyoshi Island
8.3%inclusion1 decks12 decks
7%synergy
Emet-Selch of the Third Seat
8.0%inclusion2 decks25 decks
-1%synergy
Witch Enchanter
6.8%inclusion4 decks59 decks
0%synergy
Malevolent Hermit
6.8%inclusion4 decks59 decks
6%synergy
Heliod, Sun-Crowned
6.8%inclusion4 decks59 decks
3%synergy
Instants
Flusterstorm
53%inclusion31 decks59 decks
45%synergy
Mental Misstep
49%inclusion29 decks59 decks
43%synergy
Mindbreak Trap
49%inclusion29 decks59 decks
43%synergy
Force of Will
49%inclusion29 decks59 decks
37%synergy
Force of Negation
49%inclusion29 decks59 decks
37%synergy
Pact of Negation
47%inclusion28 decks59 decks
40%synergy
Borne Upon a Wind
46%inclusion27 decks59 decks
41%synergy
Fierce Guardianship
41%inclusion24 decks59 decks
20%synergy
Cyclonic Rift
41%inclusion24 decks59 decks
18%synergy
Cabal Ritual
36%inclusion21 decks59 decks
32%synergy
Gifts Ungiven
32%inclusion19 decks59 decks
30%synergy
Mana Drain
29%inclusion17 decks59 decks
12%synergy
Into the Flood Maw
29%inclusion17 decks59 decks
25%synergy
Chain of Vapor
27%inclusion16 decks59 decks
24%synergy
Sink into Stupor
25%inclusion15 decks59 decks
13%synergy
Path to Exile
25%inclusion15 decks59 decks
-17%synergy
Dovin's Veto
22%inclusion13 decks59 decks
-4%synergy
Dispel
22%inclusion13 decks59 decks
19%synergy
Saw in Half
22%inclusion13 decks59 decks
20%synergy
Intuition
20%inclusion12 decks59 decks
19%synergy
Arcane Denial
19%inclusion11 decks59 decks
-2%synergy
Muddle the Mixture
17%inclusion10 decks59 decks
13%synergy
Sacrifice
17%inclusion10 decks59 decks
16%synergy
Frantic Search
17%inclusion10 decks59 decks
-1%synergy
Counterspell
17%inclusion10 decks59 decks
-25%synergy
Retraction Helix
14%inclusion8 decks59 decks
13%synergy
Fact or Fiction
12%inclusion7 decks59 decks
8%synergy
Brain Freeze
12%inclusion7 decks59 decks
11%synergy
Spell Pierce
12%inclusion7 decks59 decks
9%synergy
Deadly Rollick
10%inclusion6 decks59 decks
-5%synergy
Culling the Weak
10%inclusion6 decks59 decks
9%synergy
Dramatic Reversal
10%inclusion6 decks59 decks
8%synergy
Fell the Profane
8.5%inclusion5 decks59 decks
0%synergy
Drown in the Loch
8.5%inclusion5 decks59 decks
7%synergy
Brainstorm
8.5%inclusion5 decks59 decks
-8%synergy
Orim's Chant
8.5%inclusion5 decks59 decks
7%synergy
Lim-Dûl's Vault
8.5%inclusion5 decks59 decks
5%synergy
Strix Serenade
8.5%inclusion5 decks59 decks
5%synergy
Flare of Denial
8.5%inclusion5 decks59 decks
6%synergy
Ad Nauseam
8.5%inclusion5 decks59 decks
6%synergy
Delay
8.5%inclusion5 decks59 decks
6%synergy
Anguished Unmaking
8.5%inclusion5 decks59 decks
-17%synergy
Hide on the Ceiling
7.1%inclusion1 decks14 decks
7%synergy
Shred Memory
6.8%inclusion4 decks59 decks
6%synergy
Negate
6.8%inclusion4 decks59 decks
-10%synergy
Miscast
6.8%inclusion4 decks59 decks
6%synergy
Dismember
6.8%inclusion4 decks59 decks
0%synergy
Hostile Negotiations
6.8%inclusion4 decks59 decks
6%synergy
Waterlogged Teachings
6.8%inclusion4 decks59 decks
2%synergy
Teferi's Protection
5.1%inclusion3 decks59 decks
-11%synergy
Sorceries
Windfall
47%inclusion28 decks59 decks
34%synergy
Toxic Deluge
42%inclusion25 decks59 decks
23%synergy
Lively Dirge
25%inclusion15 decks59 decks
24%synergy
Imperial Seal
25%inclusion15 decks59 decks
18%synergy
Unmarked Grave
24%inclusion14 decks59 decks
22%synergy
Demonic Counsel
20%inclusion12 decks59 decks
19%synergy
Buried Alive
20%inclusion12 decks59 decks
16%synergy
Beseech the Mirror
19%inclusion11 decks59 decks
15%synergy
Final Parting
12%inclusion7 decks59 decks
11%synergy
Damn
12%inclusion7 decks59 decks
-8%synergy
Diabolic Intent
10%inclusion6 decks59 decks
5%synergy
Victimize
10%inclusion6 decks59 decks
1%synergy
Mnemonic Betrayal
10%inclusion6 decks59 decks
7%synergy
Grim Tutor
10%inclusion6 decks59 decks
6%synergy
Cabal Therapy
8.5%inclusion5 decks59 decks
8%synergy
Avatar's Wrath
8.3%inclusion1 decks12 decks
6%synergy
Villainous Wrath
7.1%inclusion1 decks14 decks
7%synergy
Peer into the Abyss
6.8%inclusion4 decks59 decks
4%synergy
Persist
6.8%inclusion4 decks59 decks
5%synergy
Careful Study
6.8%inclusion4 decks59 decks
5%synergy
Redress Fate
6.8%inclusion4 decks59 decks
1%synergy
Dance of the Manse
6.8%inclusion4 decks59 decks
3%synergy
Singularity Rupture
5.6%inclusion1 decks18 decks
3%synergy
Ponder
5.1%inclusion3 decks59 decks
-4%synergy
Dread Return
5.1%inclusion3 decks59 decks
2%synergy
Fabricate
5.1%inclusion3 decks59 decks
0%synergy
Replenish
5.1%inclusion3 decks59 decks
3%synergy
Yahenni's Expertise
5.1%inclusion3 decks59 decks
4%synergy
Utility Artifacts
Wishclaw Talisman
56%inclusion33 decks59 decks
48%synergy
The One Ring
47%inclusion28 decks59 decks
35%synergy
Cursed Totem
15%inclusion9 decks59 decks
13%synergy
Mesmeric Orb
14%inclusion8 decks59 decks
12%synergy
Altar of Dementia
10%inclusion6 decks59 decks
9%synergy
Isochron Scepter
10%inclusion6 decks59 decks
8%synergy
Vexing Bauble
6.8%inclusion4 decks59 decks
5%synergy
Collector's Vault
6.8%inclusion4 decks59 decks
5%synergy
Sensei's Divining Top
5.1%inclusion3 decks59 decks
-4%synergy
Mindcrank
5.1%inclusion3 decks59 decks
3%synergy
Altar of the Brood
5.1%inclusion3 decks59 decks
4%synergy
Lightning Greaves
5.1%inclusion3 decks59 decks
-18%synergy
Enchantments
Tinybones Joins Up
51%inclusion30 decks59 decks
50%synergy
Amphibian Downpour
51%inclusion30 decks59 decks
46%synergy
Mirrormade
42%inclusion25 decks59 decks
33%synergy
Touch the Spirit Realm
37%inclusion22 decks59 decks
35%synergy
Static Prison
24%inclusion14 decks59 decks
23%synergy
Chthonian Nightmare
24%inclusion14 decks59 decks
23%synergy
Copy Enchantment
20%inclusion12 decks59 decks
16%synergy
The Meathook Massacre
19%inclusion11 decks59 decks
15%synergy
Monologue Tax
17%inclusion10 decks59 decks
11%synergy
Steal Enchantment
15%inclusion9 decks59 decks
14%synergy
Secret Arcade // Dusty Parlor
15%inclusion9 decks59 decks
11%synergy
Copy Artifact
14%inclusion8 decks59 decks
13%synergy
Trouble in Pairs
14%inclusion8 decks59 decks
8%synergy
Out of the Tombs
12%inclusion7 decks59 decks
11%synergy
Leyline of Anticipation
12%inclusion7 decks59 decks
8%synergy
Darksteel Mutation
10%inclusion6 decks59 decks
4%synergy
Sphere of Safety
10%inclusion6 decks59 decks
1%synergy
Second Chance
10%inclusion6 decks59 decks
10%synergy
Counterbalance
8.5%inclusion5 decks59 decks
7%synergy
Out of Time
8.5%inclusion5 decks59 decks
7%synergy
Seal of Cleansing
8.5%inclusion5 decks59 decks
7%synergy
Propaganda
8.5%inclusion5 decks59 decks
-20%synergy
Seal of Removal
8.5%inclusion5 decks59 decks
8%synergy
Land Tax
8.5%inclusion5 decks59 decks
2%synergy
Founding the Third Path
6.8%inclusion4 decks59 decks
7%synergy
Verity Circle
6.8%inclusion4 decks59 decks
6%synergy
Cacophony Unleashed
6.8%inclusion4 decks59 decks
5%synergy
Sigil of the Empty Throne
6.8%inclusion4 decks59 decks
1%synergy
Estrid's Invocation
6.8%inclusion4 decks59 decks
2%synergy
Starfield of Nyx
6.8%inclusion4 decks59 decks
3%synergy
Fraying Sanity
6.8%inclusion4 decks59 decks
6%synergy
Greater Auramancy
6.8%inclusion4 decks59 decks
2%synergy
Aura of Silence
6.8%inclusion4 decks59 decks
4%synergy
Smuggler's Share
5.1%inclusion3 decks59 decks
3%synergy
Grasp of Fate
5.1%inclusion3 decks59 decks
-1%synergy
Unable to Scream
5.1%inclusion3 decks59 decks
4%synergy
Authority of the Consuls
5.1%inclusion3 decks59 decks
-8%synergy
Arguel's Blood Fast
5.1%inclusion3 decks59 decks
5%synergy
Ghostly Prison
5.1%inclusion3 decks59 decks
-17%synergy
Bloodchief Ascension
5.1%inclusion3 decks59 decks
-1%synergy
Planeswalkers
Teferi, Time Raveler
54%inclusion32 decks59 decks
46%synergy
Ashiok, Dream Render
8.5%inclusion5 decks59 decks
7%synergy
Jace, Wielder of Mysteries
5.1%inclusion3 decks59 decks
3%synergy
Utility Lands
Otawara, Soaring City
44%inclusion26 decks59 decks
25%synergy
Ancient Tomb
42%inclusion25 decks59 decks
30%synergy
Cephalid Coliseum
27%inclusion16 decks59 decks
24%synergy
Hall of Heliod's Generosity
25%inclusion15 decks59 decks
12%synergy
Urza's Saga
24%inclusion14 decks59 decks
12%synergy
Emergence Zone
22%inclusion13 decks59 decks
20%synergy
Bojuka Bog
15%inclusion9 decks59 decks
-12%synergy
Takenuma, Abandoned Mire
15%inclusion9 decks59 decks
9%synergy
Minamo, School at Water's Edge
12%inclusion7 decks59 decks
8%synergy
Urborg, Tomb of Yawgmoth
12%inclusion7 decks59 decks
-1%synergy
Realm of Koh
8.3%inclusion1 decks12 decks
8%synergy
Cabal Pit
6.8%inclusion4 decks59 decks
7%synergy
Reliquary Tower
6.8%inclusion4 decks59 decks
-27%synergy
Phyrexian Tower
5.1%inclusion3 decks59 decks
1%synergy
Cabal Coffers
5.1%inclusion3 decks59 decks
2%synergy
Eiganjo, Seat of the Empire
5.1%inclusion3 decks59 decks
0%synergy
Mana Artifacts
Sol Ring
98%inclusion58 decks59 decks
9%synergy
Arcane Signet
97%inclusion57 decks59 decks
9%synergy
Talisman of Dominance
81%inclusion48 decks59 decks
32%synergy
Talisman of Progress
73%inclusion43 decks59 decks
29%synergy
Fellwar Stone
73%inclusion43 decks59 decks
40%synergy
Lotus Petal
71%inclusion42 decks59 decks
61%synergy
Talisman of Hierarchy
66%inclusion39 decks59 decks
22%synergy
Mox Opal
32%inclusion19 decks59 decks
24%synergy
Mox Amber
29%inclusion17 decks59 decks
23%synergy
Azorius Signet
24%inclusion14 decks59 decks
-7%synergy
Orzhov Signet
22%inclusion13 decks59 decks
-10%synergy
Dimir Signet
20%inclusion12 decks59 decks
-10%synergy
The Soul Stone
6.7%inclusion1 decks15 decks
4%synergy
Basalt Monolith
5.1%inclusion3 decks59 decks
3%synergy
Thought Vessel
5.1%inclusion3 decks59 decks
-20%synergy
Mind Stone
5.1%inclusion3 decks59 decks
-7%synergy
Lands
Command Tower
95%inclusion56 decks59 decks
2%synergy
Island
88%inclusion52 decks59 decks
-5%synergy
Swamp
86%inclusion51 decks59 decks
-5%synergy
Godless Shrine
83%inclusion49 decks59 decks
32%synergy
Plains
80%inclusion47 decks59 decks
-12%synergy
Watery Grave
78%inclusion46 decks59 decks
27%synergy
Hallowed Fountain
76%inclusion45 decks59 decks
26%synergy
Marsh Flats
71%inclusion42 decks59 decks
35%synergy
Polluted Delta
71%inclusion42 decks59 decks
33%synergy
Flooded Strand
68%inclusion40 decks59 decks
29%synergy
Exotic Orchard
59%inclusion35 decks59 decks
1%synergy
Vault of Champions
56%inclusion33 decks59 decks
24%synergy
Sea of Clouds
54%inclusion32 decks59 decks
19%synergy
City of Brass
53%inclusion31 decks59 decks
37%synergy
Caves of Koilos
51%inclusion30 decks59 decks
15%synergy
Morphic Pool
51%inclusion30 decks59 decks
17%synergy
Adarkar Wastes
49%inclusion29 decks59 decks
17%synergy
Underground River
47%inclusion28 decks59 decks
13%synergy
Bloodstained Mire
46%inclusion27 decks59 decks
35%synergy
Windswept Heath
44%inclusion26 decks59 decks
35%synergy
Verdant Catacombs
44%inclusion26 decks59 decks
34%synergy
Gemstone Caverns
42%inclusion25 decks59 decks
35%synergy
Misty Rainforest
39%inclusion23 decks59 decks
28%synergy
Arid Mesa
39%inclusion23 decks59 decks
30%synergy
Scalding Tarn
37%inclusion22 decks59 decks
27%synergy
Mana Confluence
36%inclusion21 decks59 decks
22%synergy
Undercity Sewers
34%inclusion20 decks59 decks
19%synergy
Raffine's Tower
31%inclusion18 decks59 decks
-10%synergy
Shadowy Backstreet
27%inclusion16 decks59 decks
15%synergy
Sink into Stupor
25%inclusion15 decks59 decks
13%synergy
Meticulous Archive
25%inclusion15 decks59 decks
12%synergy
Arcane Sanctum
20%inclusion12 decks59 decks
-34%synergy
Spire of Industry
20%inclusion12 decks59 decks
12%synergy
Glacial Fortress
19%inclusion11 decks59 decks
-24%synergy
Isolated Chapel
19%inclusion11 decks59 decks
-22%synergy
Reflecting Pool
19%inclusion11 decks59 decks
11%synergy
Forbidden Orchard
19%inclusion11 decks59 decks
16%synergy
Floodfarm Verge
19%inclusion11 decks59 decks
8%synergy
Gloomlake Verge
19%inclusion11 decks59 decks
8%synergy
Drowned Catacomb
17%inclusion10 decks59 decks
-21%synergy
Prairie Stream
15%inclusion9 decks59 decks
-25%synergy
Shattered Sanctum
15%inclusion9 decks59 decks
-1%synergy
Abundant Countryside
14%inclusion1 decks7 decks
14%synergy
Sunken Hollow
14%inclusion8 decks59 decks
-26%synergy
Snow-Covered Swamp
14%inclusion8 decks59 decks
11%synergy
Bleachbone Verge
12%inclusion6 decks49 decks
4%synergy
Snow-Covered Island
12%inclusion7 decks59 decks
9%synergy
Deserted Beach
12%inclusion7 decks59 decks
-9%synergy
Contaminated Landscape
10%inclusion6 decks59 decks
-4%synergy
Shipwreck Marsh
10%inclusion6 decks59 decks
-10%synergy
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