The Master of Keys (Commander) - Budget cEDH

Harvey McGuinness
Sep 23, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Animate Dead
97%inclusion59 decks61 decks
87%synergy
Necromancy
84%inclusion51 decks61 decks
79%synergy
Abdel Adrian, Gorion's Ward
77%inclusion47 decks61 decks
75%synergy
Entomb
80%inclusion49 decks61 decks
74%synergy
Dance of the Dead
75%inclusion46 decks61 decks
73%synergy
Dress Down
72%inclusion44 decks61 decks
70%synergy
Mystic Remora
90%inclusion55 decks61 decks
70%synergy
Dark Ritual
89%inclusion54 decks61 decks
68%synergy
Sevinne's Reclamation
74%inclusion45 decks61 decks
65%synergy
Grand Abolisher
79%inclusion48 decks61 decks
64%synergy
Top Cards
Swords to Plowshares
80%inclusion49 decks61 decks
13%synergy
Esper Sentinel
75%inclusion46 decks61 decks
48%synergy
Silence
74%inclusion45 decks61 decks
64%synergy
Blind Obedience
72%inclusion44 decks61 decks
60%synergy
Demonic Consultation
70%inclusion43 decks61 decks
63%synergy
An Offer You Can't Refuse
66%inclusion40 decks61 decks
38%synergy
Tainted Pact
61%inclusion37 decks61 decks
54%synergy
Ripples of Undeath
59%inclusion36 decks61 decks
56%synergy
Wishclaw Talisman
59%inclusion36 decks61 decks
51%synergy
Swan Song
59%inclusion36 decks61 decks
39%synergy
Game Changers
Enlightened Tutor
80%inclusion49 decks61 decks
62%synergy
Rhystic Study
79%inclusion48 decks61 decks
48%synergy
Smothering Tithe
77%inclusion47 decks61 decks
47%synergy
Demonic Tutor
77%inclusion47 decks61 decks
57%synergy
Thassa's Oracle
74%inclusion45 decks61 decks
65%synergy
Vampiric Tutor
69%inclusion42 decks61 decks
52%synergy
Mana Vault
61%inclusion37 decks61 decks
52%synergy
Mystical Tutor
57%inclusion35 decks61 decks
47%synergy
Necropotence
56%inclusion34 decks61 decks
49%synergy
Chrome Mox
56%inclusion34 decks61 decks
47%synergy
Creatures
Lotho, Corrupt Shirriff
54%inclusion33 decks61 decks
37%synergy
Displacer Kitten
52%inclusion32 decks61 decks
46%synergy
Valley Floodcaller
49%inclusion30 decks61 decks
45%synergy
Orcish Bowmasters
49%inclusion30 decks61 decks
39%synergy
Opposition Agent
46%inclusion28 decks61 decks
38%synergy
Hullbreaker Horror
43%inclusion26 decks61 decks
37%synergy
Drannith Magistrate
41%inclusion25 decks61 decks
33%synergy
Ranger-Captain of Eos
41%inclusion25 decks61 decks
35%synergy
Archivist of Oghma
38%inclusion23 decks61 decks
31%synergy
Lurrus of the Dream-Den
34%inclusion21 decks61 decks
33%synergy
Ledger Shredder
28%inclusion17 decks61 decks
19%synergy
Voice of Victory
27%inclusion10 decks37 decks
19%synergy
Hoarding Broodlord
26%inclusion16 decks61 decks
24%synergy
Hedron Crab
20%inclusion12 decks61 decks
19%synergy
Mockingbird
20%inclusion12 decks61 decks
15%synergy
Faerie Mastermind
18%inclusion11 decks61 decks
8%synergy
Entity Tracker
18%inclusion11 decks61 decks
12%synergy
Wan Shi Tong, Librarian
17%inclusion2 decks12 decks
12%synergy
Volatile Stormdrake
16%inclusion10 decks61 decks
15%synergy
Pollywog Prodigy
16%inclusion10 decks61 decks
13%synergy
Dauthi Voidwalker
16%inclusion10 decks61 decks
11%synergy
Leonin Relic-Warder
16%inclusion10 decks61 decks
16%synergy
Grim Guardian
16%inclusion10 decks61 decks
14%synergy
Tataru Taru
15%inclusion4 decks26 decks
7%synergy
Scrabbling Skullcrab
15%inclusion9 decks61 decks
14%synergy
Overlord of the Balemurk
15%inclusion9 decks61 decks
13%synergy
Mesa Enchantress
15%inclusion9 decks61 decks
6%synergy
Talion, the Kindly Lord
15%inclusion9 decks61 decks
7%synergy
Starfield Mystic
13%inclusion8 decks61 decks
7%synergy
Inquisitive Glimmer
13%inclusion8 decks61 decks
6%synergy
Phyrexian Metamorph
13%inclusion8 decks61 decks
5%synergy
Demon of Fate's Design
13%inclusion8 decks61 decks
8%synergy
Balemurk Leech
11%inclusion7 decks61 decks
11%synergy
Ondu Spiritdancer
11%inclusion7 decks61 decks
5%synergy
Zur the Enchanter
11%inclusion7 decks61 decks
6%synergy
High Fae Trickster
11%inclusion6 decks55 decks
6%synergy
Sage of Mysteries
10%inclusion6 decks61 decks
10%synergy
Doomwake Giant
10%inclusion6 decks61 decks
4%synergy
Auriok Salvagers
10%inclusion6 decks61 decks
10%synergy
Overlord of the Floodpits
8.2%inclusion5 decks61 decks
5%synergy
Walking Ballista
8.2%inclusion5 decks61 decks
6%synergy
Vile Entomber
8.2%inclusion5 decks61 decks
7%synergy
Vohar, Vodalian Desecrator
8.2%inclusion5 decks61 decks
4%synergy
Spellseeker
8.2%inclusion5 decks61 decks
7%synergy
Fear of Sleep Paralysis
8.2%inclusion5 decks61 decks
3%synergy
Laboratory Maniac
8.2%inclusion5 decks61 decks
5%synergy
Emet-Selch of the Third Seat
7.7%inclusion2 decks26 decks
-2%synergy
Witch Enchanter
6.6%inclusion4 decks61 decks
-1%synergy
Gravebreaker Lamia
6.6%inclusion4 decks61 decks
6%synergy
Malcolm, Alluring Scoundrel
6.6%inclusion4 decks61 decks
1%synergy
Instants
Flusterstorm
56%inclusion34 decks61 decks
48%synergy
Force of Will
54%inclusion33 decks61 decks
42%synergy
Mental Misstep
52%inclusion32 decks61 decks
46%synergy
Force of Negation
52%inclusion32 decks61 decks
41%synergy
Mindbreak Trap
49%inclusion30 decks61 decks
43%synergy
Pact of Negation
48%inclusion29 decks61 decks
40%synergy
Borne Upon a Wind
46%inclusion28 decks61 decks
41%synergy
Fierce Guardianship
44%inclusion27 decks61 decks
24%synergy
Cyclonic Rift
43%inclusion26 decks61 decks
20%synergy
Cabal Ritual
36%inclusion22 decks61 decks
33%synergy
Mana Drain
33%inclusion20 decks61 decks
16%synergy
Gifts Ungiven
30%inclusion18 decks61 decks
27%synergy
Into the Flood Maw
30%inclusion18 decks61 decks
26%synergy
Chain of Vapor
26%inclusion16 decks61 decks
23%synergy
Sink into Stupor
26%inclusion16 decks61 decks
13%synergy
Dispel
23%inclusion14 decks61 decks
20%synergy
Path to Exile
23%inclusion14 decks61 decks
-19%synergy
Dovin's Veto
21%inclusion13 decks61 decks
-5%synergy
Intuition
21%inclusion13 decks61 decks
20%synergy
Saw in Half
21%inclusion13 decks61 decks
19%synergy
Counterspell
20%inclusion12 decks61 decks
-22%synergy
Muddle the Mixture
18%inclusion11 decks61 decks
14%synergy
Arcane Denial
18%inclusion11 decks61 decks
-2%synergy
Sacrifice
16%inclusion10 decks61 decks
16%synergy
Frantic Search
16%inclusion10 decks61 decks
-2%synergy
Retraction Helix
13%inclusion8 decks61 decks
12%synergy
Brain Freeze
13%inclusion8 decks61 decks
13%synergy
Deadly Rollick
11%inclusion7 decks61 decks
-4%synergy
Fact or Fiction
11%inclusion7 decks61 decks
8%synergy
Spell Pierce
11%inclusion7 decks61 decks
9%synergy
Dramatic Reversal
11%inclusion7 decks61 decks
10%synergy
Orim's Chant
10%inclusion6 decks61 decks
8%synergy
Ad Nauseam
10%inclusion6 decks61 decks
8%synergy
Culling the Weak
10%inclusion6 decks61 decks
8%synergy
Fell the Profane
8.2%inclusion5 decks61 decks
-1%synergy
Teferi's Protection
8.2%inclusion5 decks61 decks
-8%synergy
Drown in the Loch
8.2%inclusion5 decks61 decks
6%synergy
Lim-Dûl's Vault
8.2%inclusion5 decks61 decks
5%synergy
Flare of Denial
8.2%inclusion5 decks61 decks
6%synergy
Delay
8.2%inclusion5 decks61 decks
6%synergy
Strix Serenade
8.2%inclusion5 decks61 decks
5%synergy
Anguished Unmaking
8.2%inclusion5 decks61 decks
-18%synergy
Shred Memory
6.6%inclusion4 decks61 decks
6%synergy
Negate
6.6%inclusion4 decks61 decks
-10%synergy
Brainstorm
6.6%inclusion4 decks61 decks
-10%synergy
Void Rend
6.6%inclusion4 decks61 decks
-28%synergy
Angel's Grace
6.6%inclusion4 decks61 decks
4%synergy
Hostile Negotiations
6.6%inclusion4 decks61 decks
6%synergy
Dismember
6.6%inclusion4 decks61 decks
-0%synergy
Miscast
6.6%inclusion4 decks61 decks
5%synergy
Sorceries
Reanimate
57%inclusion35 decks61 decks
41%synergy
Windfall
48%inclusion29 decks61 decks
34%synergy
Toxic Deluge
41%inclusion25 decks61 decks
21%synergy
Imperial Seal
30%inclusion18 decks61 decks
23%synergy
Lively Dirge
26%inclusion16 decks61 decks
25%synergy
Unmarked Grave
23%inclusion14 decks61 decks
22%synergy
Demonic Counsel
20%inclusion12 decks61 decks
19%synergy
Buried Alive
20%inclusion12 decks61 decks
15%synergy
Beseech the Mirror
18%inclusion11 decks61 decks
14%synergy
Diabolic Intent
11%inclusion7 decks61 decks
7%synergy
Victimize
11%inclusion7 decks61 decks
3%synergy
Final Parting
11%inclusion7 decks61 decks
11%synergy
Damn
11%inclusion7 decks61 decks
-9%synergy
Singularity Rupture
11%inclusion2 decks19 decks
8%synergy
Mnemonic Betrayal
10%inclusion6 decks61 decks
7%synergy
Grim Tutor
10%inclusion6 decks61 decks
6%synergy
Avatar's Wrath
8.3%inclusion1 decks12 decks
6%synergy
Cabal Therapy
8.2%inclusion5 decks61 decks
8%synergy
Peer into the Abyss
6.6%inclusion4 decks61 decks
4%synergy
Careful Study
6.6%inclusion4 decks61 decks
5%synergy
Persist
6.6%inclusion4 decks61 decks
5%synergy
Redress Fate
6.6%inclusion4 decks61 decks
1%synergy
Utility Artifacts
The One Ring
49%inclusion30 decks61 decks
37%synergy
Mesmeric Orb
15%inclusion9 decks61 decks
14%synergy
Cursed Totem
15%inclusion9 decks61 decks
13%synergy
Altar of Dementia
11%inclusion7 decks61 decks
10%synergy
Isochron Scepter
11%inclusion7 decks61 decks
9%synergy
Vexing Bauble
6.6%inclusion4 decks61 decks
5%synergy
Altar of the Brood
6.6%inclusion4 decks61 decks
5%synergy
Collector's Vault
6.6%inclusion4 decks61 decks
5%synergy
Enchantments
Tinybones Joins Up
51%inclusion31 decks61 decks
50%synergy
Amphibian Downpour
49%inclusion30 decks61 decks
45%synergy
Mirrormade
41%inclusion25 decks61 decks
31%synergy
Touch the Spirit Realm
36%inclusion22 decks61 decks
34%synergy
Static Prison
25%inclusion15 decks61 decks
24%synergy
The Meathook Massacre
23%inclusion14 decks61 decks
20%synergy
Chthonian Nightmare
23%inclusion14 decks61 decks
22%synergy
Copy Enchantment
23%inclusion14 decks61 decks
18%synergy
Monologue Tax
16%inclusion10 decks61 decks
10%synergy
Steal Enchantment
15%inclusion9 decks61 decks
14%synergy
Secret Arcade // Dusty Parlor
15%inclusion9 decks61 decks
10%synergy
Trouble in Pairs
15%inclusion9 decks61 decks
10%synergy
Copy Artifact
13%inclusion8 decks61 decks
12%synergy
Darksteel Mutation
11%inclusion7 decks61 decks
5%synergy
Out of the Tombs
11%inclusion7 decks61 decks
11%synergy
Leyline of Anticipation
11%inclusion7 decks61 decks
7%synergy
Second Chance
11%inclusion7 decks61 decks
11%synergy
Sphere of Safety
10%inclusion6 decks61 decks
0%synergy
Black Market Connections
10%inclusion6 decks61 decks
-5%synergy
Land Tax
10%inclusion6 decks61 decks
4%synergy
Counterbalance
8.2%inclusion5 decks61 decks
7%synergy
Founding the Third Path
8.2%inclusion5 decks61 decks
8%synergy
Estrid's Invocation
8.2%inclusion5 decks61 decks
4%synergy
Out of Time
8.2%inclusion5 decks61 decks
7%synergy
Seal of Removal
8.2%inclusion5 decks61 decks
8%synergy
Propaganda
8.2%inclusion5 decks61 decks
-21%synergy
Greater Auramancy
8.2%inclusion5 decks61 decks
4%synergy
Verity Circle
6.6%inclusion4 decks61 decks
6%synergy
Cacophony Unleashed
6.6%inclusion4 decks61 decks
5%synergy
Seal of Cleansing
6.6%inclusion4 decks61 decks
5%synergy
Fraying Sanity
6.6%inclusion4 decks61 decks
6%synergy
Aura of Silence
6.6%inclusion4 decks61 decks
3%synergy
Planeswalkers
Teferi, Time Raveler
54%inclusion33 decks61 decks
46%synergy
Ashiok, Dream Render
8.2%inclusion5 decks61 decks
7%synergy
Utility Lands
Otawara, Soaring City
44%inclusion27 decks61 decks
25%synergy
Ancient Tomb
43%inclusion26 decks61 decks
30%synergy
Hall of Heliod's Generosity
28%inclusion17 decks61 decks
15%synergy
Urza's Saga
26%inclusion16 decks61 decks
15%synergy
Cephalid Coliseum
26%inclusion16 decks61 decks
23%synergy
Emergence Zone
21%inclusion13 decks61 decks
19%synergy
Takenuma, Abandoned Mire
15%inclusion9 decks61 decks
8%synergy
Bojuka Bog
13%inclusion8 decks61 decks
-14%synergy
Urborg, Tomb of Yawgmoth
13%inclusion8 decks61 decks
0%synergy
Minamo, School at Water's Edge
11%inclusion7 decks61 decks
8%synergy
Reliquary Tower
8.2%inclusion5 decks61 decks
-26%synergy
Cabal Pit
6.6%inclusion4 decks61 decks
6%synergy
Cabal Coffers
6.6%inclusion4 decks61 decks
3%synergy
Mana Artifacts
Sol Ring
98%inclusion60 decks61 decks
9%synergy
Arcane Signet
97%inclusion59 decks61 decks
9%synergy
Talisman of Dominance
84%inclusion51 decks61 decks
33%synergy
Talisman of Progress
75%inclusion46 decks61 decks
31%synergy
Lotus Petal
72%inclusion44 decks61 decks
62%synergy
Fellwar Stone
70%inclusion43 decks61 decks
37%synergy
Talisman of Hierarchy
69%inclusion42 decks61 decks
24%synergy
Mox Opal
34%inclusion21 decks61 decks
26%synergy
Mox Amber
31%inclusion19 decks61 decks
25%synergy
Azorius Signet
23%inclusion14 decks61 decks
-7%synergy
Orzhov Signet
21%inclusion13 decks61 decks
-10%synergy
Dimir Signet
20%inclusion12 decks61 decks
-10%synergy
Basalt Monolith
8.2%inclusion5 decks61 decks
6%synergy
Lands
Command Tower
93%inclusion57 decks61 decks
1%synergy
Island
89%inclusion54 decks61 decks
-5%synergy
Swamp
87%inclusion53 decks61 decks
-5%synergy
Godless Shrine
82%inclusion50 decks61 decks
30%synergy
Plains
80%inclusion49 decks61 decks
-12%synergy
Watery Grave
79%inclusion48 decks61 decks
27%synergy
Hallowed Fountain
75%inclusion46 decks61 decks
24%synergy
Polluted Delta
70%inclusion43 decks61 decks
32%synergy
Marsh Flats
69%inclusion42 decks61 decks
33%synergy
Flooded Strand
66%inclusion40 decks61 decks
27%synergy
Exotic Orchard
59%inclusion36 decks61 decks
0%synergy
Sea of Clouds
54%inclusion33 decks61 decks
19%synergy
Vault of Champions
54%inclusion33 decks61 decks
22%synergy
City of Brass
54%inclusion33 decks61 decks
39%synergy
Morphic Pool
51%inclusion31 decks61 decks
17%synergy
Caves of Koilos
48%inclusion29 decks61 decks
12%synergy
Adarkar Wastes
46%inclusion28 decks61 decks
13%synergy
Underground River
44%inclusion27 decks61 decks
9%synergy
Bloodstained Mire
44%inclusion27 decks61 decks
34%synergy
Windswept Heath
43%inclusion26 decks61 decks
33%synergy
Verdant Catacombs
43%inclusion26 decks61 decks
33%synergy
Gemstone Caverns
43%inclusion26 decks61 decks
35%synergy
Misty Rainforest
38%inclusion23 decks61 decks
27%synergy
Arid Mesa
38%inclusion23 decks61 decks
28%synergy
Mana Confluence
38%inclusion23 decks61 decks
24%synergy
Scalding Tarn
36%inclusion22 decks61 decks
26%synergy
Undercity Sewers
33%inclusion20 decks61 decks
18%synergy
Raffine's Tower
33%inclusion20 decks61 decks
-8%synergy
Shadowy Backstreet
30%inclusion18 decks61 decks
17%synergy
Meticulous Archive
30%inclusion18 decks61 decks
16%synergy
Sink into Stupor
26%inclusion16 decks61 decks
13%synergy
Spire of Industry
21%inclusion13 decks61 decks
14%synergy
Reflecting Pool
20%inclusion12 decks61 decks
12%synergy
Forbidden Orchard
20%inclusion12 decks61 decks
17%synergy
Arcane Sanctum
20%inclusion12 decks61 decks
-34%synergy
Gloomlake Verge
20%inclusion12 decks61 decks
9%synergy
Floodfarm Verge
18%inclusion11 decks61 decks
7%synergy
Glacial Fortress
15%inclusion9 decks61 decks
-29%synergy
Prairie Stream
15%inclusion9 decks61 decks
-26%synergy
Drowned Catacomb
15%inclusion9 decks61 decks
-24%synergy
Isolated Chapel
15%inclusion9 decks61 decks
-27%synergy
Shattered Sanctum
15%inclusion9 decks61 decks
-3%synergy
Cavern of Souls
13%inclusion8 decks61 decks
7%synergy
Snow-Covered Swamp
13%inclusion8 decks61 decks
10%synergy
Bleachbone Verge
12%inclusion6 decks51 decks
3%synergy
Contaminated Landscape
11%inclusion7 decks61 decks
-2%synergy
Snow-Covered Island
11%inclusion7 decks61 decks
9%synergy
Sunken Hollow
11%inclusion7 decks61 decks
-28%synergy
Deserted Beach
11%inclusion7 decks61 decks
-9%synergy
Shipwreck Marsh
10%inclusion6 decks61 decks
-11%synergy