The Master of Keys (Commander) - Budget Combo

The Master of Keys
Rank #300
22decks
As CommanderAs CardAverage DeckDecksView Precon
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Budget
Any$$$$
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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Battles
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Utility Lands
Mana Artifacts
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Entity Tracker
68%inclusion15 decks22 decks
62%synergy
Animate Dead
68%inclusion15 decks22 decks
59%synergy
Gravebreaker Lamia
59%inclusion13 decks22 decks
58%synergy
Fear of Impostors
59%inclusion13 decks22 decks
58%synergy
Inquisitive Glimmer
64%inclusion14 decks22 decks
56%synergy
Scrabbling Skullcrab
55%inclusion12 decks22 decks
54%synergy
Starfield Mystic
59%inclusion13 decks22 decks
53%synergy
Dress Down
55%inclusion12 decks22 decks
52%synergy
Sevinne's Reclamation
59%inclusion13 decks22 decks
50%synergy
Stillness in Motion
50%inclusion6 decks12 decks
50%synergy
Top Cards
Grasp of Fate
55%inclusion12 decks22 decks
48%synergy
Mirrormade
55%inclusion12 decks22 decks
45%synergy
Mesa Enchantress
55%inclusion12 decks22 decks
46%synergy
Ripples of Undeath
50%inclusion11 decks22 decks
47%synergy
Amphibian Downpour
50%inclusion11 decks22 decks
45%synergy
Swords to Plowshares
50%inclusion11 decks22 decks
-18%synergy
Grim Guardian
50%inclusion11 decks22 decks
48%synergy
Singularity Rupture
50%inclusion4 decks8 decks
48%synergy
Touch the Spirit Realm
45%inclusion10 decks22 decks
43%synergy
Monologue Tax
45%inclusion10 decks22 decks
39%synergy
Game Changers
Thassa's Oracle
18%inclusion4 decks22 decks
9%synergy
Narset, Parter of Veils
9.1%inclusion2 decks22 decks
5%synergy
Creatures
Demon of Fate's Design
41%inclusion9 decks22 decks
36%synergy
Doomwake Giant
41%inclusion9 decks22 decks
35%synergy
Abdel Adrian, Gorion's Ward
41%inclusion9 decks22 decks
39%synergy
Ondu Spiritdancer
41%inclusion9 decks22 decks
35%synergy
Soaring Lightbringer
36%inclusion8 decks22 decks
32%synergy
Overlord of the Floodpits
32%inclusion7 decks22 decks
28%synergy
Archon of Sun's Grace
32%inclusion7 decks22 decks
27%synergy
Moon-Blessed Cleric
32%inclusion7 decks22 decks
27%synergy
Victor, Valgavoth's Seneschal
32%inclusion7 decks22 decks
30%synergy
Fear of Sleep Paralysis
32%inclusion7 decks22 decks
27%synergy
Laboratory Maniac
32%inclusion7 decks22 decks
29%synergy
Enduring Curiosity
27%inclusion6 decks22 decks
19%synergy
Ghostly Dancers
27%inclusion6 decks22 decks
25%synergy
Zur, Eternal Schemer
27%inclusion6 decks22 decks
24%synergy
Zur the Enchanter
27%inclusion6 decks22 decks
22%synergy
Overlord of the Balemurk
23%inclusion5 decks22 decks
21%synergy
Aminatou, Veil Piercer
23%inclusion5 decks22 decks
21%synergy
Mindwrack Harpy
23%inclusion5 decks22 decks
22%synergy
Millikin
23%inclusion5 decks22 decks
22%synergy
Summon: Yojimbo
22%inclusion2 decks9 decks
21%synergy
Sage of Mysteries
18%inclusion4 decks22 decks
18%synergy
Leonin Relic-Warder
18%inclusion4 decks22 decks
18%synergy
Athreos, Shroud-Veiled
18%inclusion4 decks22 decks
14%synergy
Spirited Companion
18%inclusion4 decks22 decks
16%synergy
Gremlin Tamer
18%inclusion4 decks22 decks
17%synergy
Balemurk Leech
18%inclusion4 decks22 decks
18%synergy
Nashi, Searcher in the Dark
18%inclusion4 decks22 decks
18%synergy
Nightmare Shepherd
18%inclusion4 decks22 decks
16%synergy
Heliod, the Radiant Dawn
18%inclusion4 decks22 decks
15%synergy
Alseid of Life's Bounty
18%inclusion4 decks22 decks
17%synergy
Hullbreaker Horror
18%inclusion4 decks22 decks
12%synergy
Emptiness
14%inclusion1 decks7 decks
14%synergy
Starnheim Courser
14%inclusion3 decks22 decks
10%synergy
Fear of Surveillance
14%inclusion3 decks22 decks
13%synergy
Hydroelectric Specimen
14%inclusion3 decks22 decks
11%synergy
Silent Hallcreeper
14%inclusion3 decks22 decks
9%synergy
Hedron Crab
14%inclusion3 decks22 decks
13%synergy
Overlord of the Mistmoors
14%inclusion3 decks22 decks
12%synergy
Archetype of Imagination
14%inclusion3 decks22 decks
9%synergy
Auramancer
14%inclusion3 decks22 decks
11%synergy
Stinkweed Imp
14%inclusion3 decks22 decks
14%synergy
Symbiote Spider-Man
13%inclusion1 decks8 decks
12%synergy
O'aka, Traveling Merchant
11%inclusion1 decks9 decks
10%synergy
The Warring Triad
11%inclusion1 decks9 decks
11%synergy
High Fae Trickster
10%inclusion2 decks20 decks
5%synergy
Neerdiv, Devious Diver
10%inclusion2 decks20 decks
10%synergy
Solemn Simulacrum
9.1%inclusion2 decks22 decks
-5%synergy
Stenn, Paranoid Partisan
9.1%inclusion2 decks22 decks
8%synergy
Bringer of the Last Gift
9.1%inclusion2 decks22 decks
9%synergy
Lotho, Corrupt Shirriff
9.1%inclusion2 decks22 decks
-8%synergy
Instants
Counterspell
45%inclusion10 decks22 decks
4%synergy
Frantic Search
41%inclusion9 decks22 decks
23%synergy
Thirst for Meaning
36%inclusion8 decks22 decks
35%synergy
Arcane Denial
36%inclusion8 decks22 decks
16%synergy
An Offer You Can't Refuse
27%inclusion6 decks22 decks
0%synergy
Brainstorm
27%inclusion6 decks22 decks
10%synergy
Path to Exile
27%inclusion6 decks22 decks
-15%synergy
Dovin's Veto
23%inclusion5 decks22 decks
-3%synergy
Negate
23%inclusion5 decks22 decks
6%synergy
Dark Ritual
23%inclusion5 decks22 decks
3%synergy
Otherworldly Gaze
23%inclusion5 decks22 decks
21%synergy
Sink into Stupor
18%inclusion4 decks22 decks
5%synergy
Fact or Fiction
14%inclusion3 decks22 decks
10%synergy
Dispel
14%inclusion3 decks22 decks
10%synergy
Waterlogged Teachings
14%inclusion3 decks22 decks
9%synergy
Refute
10%inclusion2 decks20 decks
7%synergy
Sacrifice
9.1%inclusion2 decks22 decks
8%synergy
Muddle the Mixture
9.1%inclusion2 decks22 decks
5%synergy
Drown in the Loch
9.1%inclusion2 decks22 decks
7%synergy
Disdainful Stroke
9.1%inclusion2 decks22 decks
8%synergy
Epiphany at the Drownyard
9.1%inclusion2 decks22 decks
8%synergy
Consider
9.1%inclusion2 decks22 decks
7%synergy
Razorgrass Ambush
9.1%inclusion2 decks22 decks
8%synergy
Curate
9.1%inclusion2 decks22 decks
9%synergy
Demonic Consultation
9.1%inclusion2 decks22 decks
1%synergy
Get Out
9.1%inclusion2 decks22 decks
9%synergy
Faithful Mending
9.1%inclusion2 decks22 decks
5%synergy
Hostile Negotiations
9.1%inclusion2 decks22 decks
8%synergy
Utter End
9.1%inclusion2 decks22 decks
3%synergy
Borne Upon a Wind
9.1%inclusion2 decks22 decks
4%synergy
Inkshield
9.1%inclusion2 decks22 decks
-1%synergy
Live or Die
9.1%inclusion2 decks22 decks
9%synergy
Generous Gift
9.1%inclusion2 decks22 decks
-5%synergy
Sorceries
Space-Time Anomaly
38%inclusion3 decks8 decks
36%synergy
Buried Alive
32%inclusion7 decks22 decks
28%synergy
Unmarked Grave
23%inclusion5 decks22 decks
21%synergy
Redress Fate
23%inclusion5 decks22 decks
17%synergy
Dance of the Manse
23%inclusion5 decks22 decks
19%synergy
Windfall
18%inclusion4 decks22 decks
5%synergy
Time Wipe
18%inclusion4 decks22 decks
12%synergy
Demonic Counsel
18%inclusion4 decks22 decks
17%synergy
Extinguish All Hope
18%inclusion4 decks22 decks
17%synergy
Blasphemous Edict
15%inclusion3 decks20 decks
13%synergy
Austere Command
14%inclusion3 decks22 decks
5%synergy
Diabolic Tutor
14%inclusion3 decks22 decks
9%synergy
Glimpse the Unthinkable
14%inclusion3 decks22 decks
13%synergy
Reanimate
14%inclusion3 decks22 decks
-3%synergy
Toxic Deluge
14%inclusion3 decks22 decks
-6%synergy
Unburial Rites
14%inclusion3 decks22 decks
11%synergy
Traumatize
14%inclusion3 decks22 decks
13%synergy
Ponder
9.1%inclusion2 decks22 decks
0%synergy
Supreme Verdict
9.1%inclusion2 decks22 decks
-6%synergy
Lively Dirge
9.1%inclusion2 decks22 decks
8%synergy
Resurgent Belief
9.1%inclusion2 decks22 decks
7%synergy
Open the Vaults
9.1%inclusion2 decks22 decks
8%synergy
Open the Armory
9.1%inclusion2 decks22 decks
5%synergy
Dread Return
9.1%inclusion2 decks22 decks
6%synergy
Cut Your Losses
9.1%inclusion2 decks22 decks
9%synergy
Vindicate
9.1%inclusion2 decks22 decks
-2%synergy
Cleansing Meditation
9.1%inclusion2 decks22 decks
9%synergy
Brilliant Restoration
9.1%inclusion2 decks22 decks
7%synergy
Living Death
9.1%inclusion2 decks22 decks
5%synergy
Final Parting
9.1%inclusion2 decks22 decks
9%synergy
Damn
9.1%inclusion2 decks22 decks
-11%synergy
Necromantic Selection
9.1%inclusion2 decks22 decks
8%synergy
Pilfered Plans
9.1%inclusion2 decks22 decks
9%synergy
Final Vengeance
9.1%inclusion2 decks22 decks
9%synergy
Utility Artifacts
Cloud Key
23%inclusion5 decks22 decks
19%synergy
Wishclaw Talisman
23%inclusion5 decks22 decks
15%synergy
Mesmeric Orb
9.1%inclusion2 decks22 decks
8%synergy
Wayfarer's Bauble
9.1%inclusion2 decks22 decks
2%synergy
Keys to the House
9.1%inclusion2 decks22 decks
9%synergy
Grimoire of the Dead
9.1%inclusion2 decks22 decks
8%synergy
Swiftfoot Boots
9.1%inclusion2 decks22 decks
-15%synergy
Lightning Greaves
9.1%inclusion2 decks22 decks
-14%synergy
Wand of Vertebrae
9.1%inclusion2 decks22 decks
9%synergy
Helm of Awakening
9.1%inclusion2 decks22 decks
9%synergy
Enchantments
Noggle the Mind
50%inclusion1 decks2 decks
49%synergy
Propaganda
45%inclusion10 decks22 decks
17%synergy
Sigil of the Empty Throne
41%inclusion9 decks22 decks
35%synergy
Necromancy
41%inclusion9 decks22 decks
36%synergy
Sphere of Safety
41%inclusion9 decks22 decks
32%synergy
Seal of Cleansing
41%inclusion9 decks22 decks
39%synergy
Secret Arcade // Dusty Parlor
41%inclusion9 decks22 decks
36%synergy
Darksteel Mutation
36%inclusion8 decks22 decks
30%synergy
Mystic Remora
36%inclusion8 decks22 decks
16%synergy
The Tale of Tamiyo
36%inclusion8 decks22 decks
36%synergy
Cemetery Tampering
36%inclusion8 decks22 decks
36%synergy
Ghostly Prison
36%inclusion8 decks22 decks
14%synergy
Phyrexian Arena
32%inclusion7 decks22 decks
18%synergy
Cacophony Unleashed
27%inclusion6 decks22 decks
26%synergy
Estrid's Invocation
27%inclusion6 decks22 decks
23%synergy
Timely Ward
27%inclusion6 decks22 decks
22%synergy
Chthonian Nightmare
27%inclusion6 decks22 decks
27%synergy
Court of Cunning
23%inclusion5 decks22 decks
22%synergy
Imprisoned in the Moon
23%inclusion5 decks22 decks
16%synergy
Blind Obedience
23%inclusion5 decks22 decks
11%synergy
All That Glitters
23%inclusion5 decks22 decks
14%synergy
Static Prison
23%inclusion5 decks22 decks
22%synergy
Enchanted Evening
23%inclusion5 decks22 decks
21%synergy
Dance of the Dead
18%inclusion4 decks22 decks
16%synergy
The Eldest Reborn
18%inclusion4 decks22 decks
16%synergy
Starfield of Nyx
18%inclusion4 decks22 decks
14%synergy
Sheltered by Ghosts
18%inclusion4 decks22 decks
16%synergy
Seal of Removal
18%inclusion4 decks22 decks
18%synergy
Defiled Crypt // Cadaver Lab
18%inclusion4 decks22 decks
17%synergy
One with the Multiverse
14%inclusion3 decks22 decks
9%synergy
Cramped Vents // Access Maze
14%inclusion3 decks22 decks
11%synergy
Extravagant Replication
14%inclusion3 decks22 decks
9%synergy
Unable to Scream
14%inclusion3 decks22 decks
13%synergy
Out of the Tombs
14%inclusion3 decks22 decks
13%synergy
Seal of Doom
14%inclusion3 decks22 decks
13%synergy
Out of Time
14%inclusion3 decks22 decks
13%synergy
Copy Enchantment
14%inclusion3 decks22 decks
9%synergy
Shark Typhoon
14%inclusion3 decks22 decks
8%synergy
Witness Protection
14%inclusion3 decks22 decks
12%synergy
Restricted Office // Lecture Hall
14%inclusion3 decks22 decks
12%synergy
Oblivion Ring
14%inclusion3 decks22 decks
13%synergy
Nowhere to Run
14%inclusion3 decks22 decks
12%synergy
Into the Pit
14%inclusion3 decks22 decks
13%synergy
Trapped in the Screen
9.1%inclusion2 decks22 decks
9%synergy
Curious Obsession
9.1%inclusion2 decks22 decks
9%synergy
King Narfi's Betrayal
9.1%inclusion2 decks22 decks
9%synergy
Tinybones Joins Up
9.1%inclusion2 decks22 decks
8%synergy
Chronic Flooding
9.1%inclusion2 decks22 decks
9%synergy
Attunement
9.1%inclusion2 decks22 decks
9%synergy
Spirit-Sister's Call
9.1%inclusion2 decks22 decks
8%synergy
Battles
Invasion of Theros
9.1%inclusion2 decks22 decks
7%synergy
Planeswalkers
Jace, Wielder of Mysteries
9.1%inclusion2 decks22 decks
7%synergy
Utility Lands
Bojuka Bog
64%inclusion14 decks22 decks
37%synergy
Hall of Heliod's Generosity
55%inclusion12 decks22 decks
42%synergy
Shambling Vent
14%inclusion3 decks22 decks
13%synergy
Nephalia Drownyard
14%inclusion3 decks22 decks
13%synergy
Cephalid Coliseum
14%inclusion3 decks22 decks
10%synergy
Echoing Deeps
9.1%inclusion2 decks22 decks
9%synergy
Halimar Depths
9.1%inclusion2 decks22 decks
4%synergy
Emergence Zone
9.1%inclusion2 decks22 decks
7%synergy
Drownyard Temple
9.1%inclusion2 decks22 decks
9%synergy
Dakmor Salvage
9.1%inclusion2 decks22 decks
9%synergy
Mana Artifacts
Arcane Signet
95%inclusion21 decks22 decks
8%synergy
Sol Ring
91%inclusion20 decks22 decks
1%synergy
Talisman of Progress
68%inclusion15 decks22 decks
24%synergy
Talisman of Hierarchy
59%inclusion13 decks22 decks
15%synergy
Talisman of Dominance
50%inclusion11 decks22 decks
0%synergy
Orzhov Signet
50%inclusion11 decks22 decks
18%synergy
Azorius Signet
45%inclusion10 decks22 decks
15%synergy
Dimir Signet
41%inclusion9 decks22 decks
10%synergy
Fellwar Stone
36%inclusion8 decks22 decks
3%synergy
Commander's Sphere
27%inclusion6 decks22 decks
9%synergy
Mind Stone
23%inclusion5 decks22 decks
11%synergy
Silumgar Monument
9.1%inclusion2 decks22 decks
9%synergy
Azorius Keyrune
9.1%inclusion2 decks22 decks
9%synergy
Ojutai Monument
9.1%inclusion2 decks22 decks
9%synergy
Lands
Swamp
100%inclusion22 decks22 decks
8%synergy
Island
100%inclusion22 decks22 decks
7%synergy
Plains
100%inclusion22 decks22 decks
8%synergy
Command Tower
86%inclusion19 decks22 decks
-6%synergy
Arcane Sanctum
86%inclusion19 decks22 decks
32%synergy
Caves of Koilos
68%inclusion15 decks22 decks
33%synergy
Adarkar Wastes
68%inclusion15 decks22 decks
36%synergy
Exotic Orchard
59%inclusion13 decks22 decks
0%synergy
Underground River
55%inclusion12 decks22 decks
20%synergy
Glacial Fortress
50%inclusion11 decks22 decks
8%synergy
Terramorphic Expanse
50%inclusion11 decks22 decks
34%synergy
Contaminated Landscape
50%inclusion11 decks22 decks
36%synergy
Temple of Silence
50%inclusion11 decks22 decks
31%synergy
Isolated Chapel
45%inclusion10 decks22 decks
4%synergy
Evolving Wilds
45%inclusion10 decks22 decks
21%synergy
Obscura Storefront
45%inclusion10 decks22 decks
36%synergy
Dimir Aqueduct
41%inclusion9 decks22 decks
28%synergy
Tainted Field
41%inclusion9 decks22 decks
34%synergy
Prairie Stream
41%inclusion9 decks22 decks
0%synergy
Temple of Enlightenment
41%inclusion9 decks22 decks
25%synergy
Azorius Chancery
36%inclusion8 decks22 decks
23%synergy
Temple of Deceit
36%inclusion8 decks22 decks
19%synergy
Ash Barrens
36%inclusion8 decks22 decks
26%synergy
Sunken Hollow
36%inclusion8 decks22 decks
-3%synergy
Tainted Isle
32%inclusion7 decks22 decks
25%synergy
Valgavoth's Lair
32%inclusion7 decks22 decks
29%synergy
Drowned Catacomb
32%inclusion7 decks22 decks
-6%synergy
Orzhov Basilica
32%inclusion7 decks22 decks
17%synergy
Darkwater Catacombs
27%inclusion6 decks22 decks
13%synergy
Myriad Landscape
23%inclusion5 decks22 decks
15%synergy
Choked Estuary
23%inclusion5 decks22 decks
6%synergy
Skycloud Expanse
18%inclusion4 decks22 decks
3%synergy
Path of Ancestry
18%inclusion4 decks22 decks
-10%synergy
Sink into Stupor
18%inclusion4 decks22 decks
5%synergy
Hallowed Fountain
18%inclusion4 decks22 decks
-32%synergy
Irrigated Farmland
14%inclusion3 decks22 decks
6%synergy
Port Town
14%inclusion3 decks22 decks
-3%synergy
Hydroelectric Specimen
14%inclusion3 decks22 decks
11%synergy
Godless Shrine
14%inclusion3 decks22 decks
-38%synergy
Waterlogged Teachings
14%inclusion3 decks22 decks
9%synergy
Deserted Beach
14%inclusion3 decks22 decks
-7%synergy
Floodfarm Verge
14%inclusion3 decks22 decks
2%synergy
Undercity Sewers
9.1%inclusion2 decks22 decks
-5%synergy
Desolate Mire
9.1%inclusion2 decks22 decks
2%synergy
Razorgrass Ambush
9.1%inclusion2 decks22 decks
8%synergy
Shipwreck Marsh
9.1%inclusion2 decks22 decks
-11%synergy
Thriving Isle
9.1%inclusion2 decks22 decks
5%synergy
Thriving Moor
9.1%inclusion2 decks22 decks
5%synergy
Shineshadow Snarl
9.1%inclusion2 decks22 decks
-2%synergy
Flooded Strand
9.1%inclusion2 decks22 decks
-29%synergy
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