The Master of Keys (Commander) - Budget Combo

The Master of Keys
Rank #302
23decks
As CommanderAs CardAverage DeckDecksView Precon
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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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Utility Lands
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Entity Tracker
70%inclusion16 decks23 decks
64%synergy
Fear of Impostors
61%inclusion14 decks23 decks
59%synergy
Inquisitive Glimmer
65%inclusion15 decks23 decks
58%synergy
Animate Dead
65%inclusion15 decks23 decks
56%synergy
Gravebreaker Lamia
57%inclusion13 decks23 decks
55%synergy
Grim Guardian
57%inclusion13 decks23 decks
54%synergy
Scrabbling Skullcrab
52%inclusion12 decks23 decks
51%synergy
Starfield Mystic
57%inclusion13 decks23 decks
50%synergy
Dress Down
52%inclusion12 decks23 decks
50%synergy
Ripples of Undeath
52%inclusion12 decks23 decks
49%synergy
Top Cards
Sevinne's Reclamation
57%inclusion13 decks23 decks
48%synergy
Mesa Enchantress
52%inclusion12 decks23 decks
44%synergy
Grasp of Fate
48%inclusion11 decks23 decks
42%synergy
Demon of Fate's Design
48%inclusion11 decks23 decks
42%synergy
Mirrormade
48%inclusion11 decks23 decks
38%synergy
Swords to Plowshares
48%inclusion11 decks23 decks
-20%synergy
Counterspell
48%inclusion11 decks23 decks
6%synergy
Singularity Rupture
44%inclusion4 decks9 decks
42%synergy
Sigil of the Empty Throne
43%inclusion10 decks23 decks
38%synergy
Touch the Spirit Realm
43%inclusion10 decks23 decks
41%synergy
Game Changers
Thassa's Oracle
17%inclusion4 decks23 decks
8%synergy
Narset, Parter of Veils
8.7%inclusion2 decks23 decks
5%synergy
Enlightened Tutor
8.7%inclusion2 decks23 decks
-10%synergy
Creatures
Doomwake Giant
43%inclusion10 decks23 decks
38%synergy
Abdel Adrian, Gorion's Ward
39%inclusion9 decks23 decks
37%synergy
Ondu Spiritdancer
39%inclusion9 decks23 decks
33%synergy
Archon of Sun's Grace
35%inclusion8 decks23 decks
30%synergy
Soaring Lightbringer
35%inclusion8 decks23 decks
30%synergy
Moon-Blessed Cleric
35%inclusion8 decks23 decks
30%synergy
Victor, Valgavoth's Seneschal
35%inclusion8 decks23 decks
33%synergy
Ghostly Dancers
35%inclusion8 decks23 decks
32%synergy
Overlord of the Floodpits
30%inclusion7 decks23 decks
27%synergy
Enduring Curiosity
30%inclusion7 decks23 decks
22%synergy
Fear of Sleep Paralysis
30%inclusion7 decks23 decks
25%synergy
Zur, Eternal Schemer
30%inclusion7 decks23 decks
27%synergy
Overlord of the Balemurk
26%inclusion6 decks23 decks
24%synergy
Balemurk Leech
26%inclusion6 decks23 decks
25%synergy
Gremlin Tamer
26%inclusion6 decks23 decks
25%synergy
Laboratory Maniac
26%inclusion6 decks23 decks
23%synergy
Heliod, the Radiant Dawn
22%inclusion5 decks23 decks
18%synergy
Alseid of Life's Bounty
22%inclusion5 decks23 decks
20%synergy
Zur the Enchanter
22%inclusion5 decks23 decks
17%synergy
Summon: Yojimbo
20%inclusion2 decks10 decks
19%synergy
Fear of Surveillance
17%inclusion4 decks23 decks
17%synergy
Sage of Mysteries
17%inclusion4 decks23 decks
17%synergy
Silent Hallcreeper
17%inclusion4 decks23 decks
13%synergy
Overlord of the Mistmoors
17%inclusion4 decks23 decks
15%synergy
Leonin Relic-Warder
17%inclusion4 decks23 decks
17%synergy
Athreos, Shroud-Veiled
17%inclusion4 decks23 decks
13%synergy
Nashi, Searcher in the Dark
17%inclusion4 decks23 decks
17%synergy
Nightmare Shepherd
17%inclusion4 decks23 decks
15%synergy
Aminatou, Veil Piercer
17%inclusion4 decks23 decks
16%synergy
Hullbreaker Horror
17%inclusion4 decks23 decks
11%synergy
Mindwrack Harpy
17%inclusion4 decks23 decks
17%synergy
Millikin
17%inclusion4 decks23 decks
17%synergy
Neerdiv, Devious Diver
14%inclusion3 decks21 decks
14%synergy
Starnheim Courser
13%inclusion3 decks23 decks
9%synergy
Hydroelectric Specimen
13%inclusion3 decks23 decks
10%synergy
Hedron Crab
13%inclusion3 decks23 decks
12%synergy
Enduring Innocence
13%inclusion3 decks23 decks
11%synergy
Spirited Companion
13%inclusion3 decks23 decks
11%synergy
Archetype of Imagination
13%inclusion3 decks23 decks
8%synergy
Auramancer
13%inclusion3 decks23 decks
10%synergy
Sun Titan
13%inclusion3 decks23 decks
5%synergy
Umbral Collar Zealot
11%inclusion1 decks9 decks
10%synergy
O'aka, Traveling Merchant
10%inclusion1 decks10 decks
9%synergy
The Warring Triad
10%inclusion1 decks10 decks
10%synergy
High Fae Trickster
10%inclusion2 decks21 decks
5%synergy
Solemn Simulacrum
8.7%inclusion2 decks23 decks
-5%synergy
Bringer of the Last Gift
8.7%inclusion2 decks23 decks
9%synergy
Lotho, Corrupt Shirriff
8.7%inclusion2 decks23 decks
-8%synergy
Rune-Scarred Demon
8.7%inclusion2 decks23 decks
7%synergy
Hoarding Broodlord
8.7%inclusion2 decks23 decks
7%synergy
Instants
Frantic Search
39%inclusion9 decks23 decks
21%synergy
Arcane Denial
39%inclusion9 decks23 decks
19%synergy
Thirst for Meaning
35%inclusion8 decks23 decks
33%synergy
Path to Exile
30%inclusion7 decks23 decks
-12%synergy
An Offer You Can't Refuse
26%inclusion6 decks23 decks
-2%synergy
Brainstorm
26%inclusion6 decks23 decks
9%synergy
Dovin's Veto
22%inclusion5 decks23 decks
-4%synergy
Negate
22%inclusion5 decks23 decks
5%synergy
Dark Ritual
22%inclusion5 decks23 decks
2%synergy
Otherworldly Gaze
22%inclusion5 decks23 decks
20%synergy
Sink into Stupor
17%inclusion4 decks23 decks
4%synergy
Fact or Fiction
13%inclusion3 decks23 decks
9%synergy
Dispel
13%inclusion3 decks23 decks
10%synergy
Waterlogged Teachings
13%inclusion3 decks23 decks
8%synergy
Refute
10%inclusion2 decks21 decks
7%synergy
Sacrifice
8.7%inclusion2 decks23 decks
8%synergy
Drown in the Loch
8.7%inclusion2 decks23 decks
7%synergy
Disdainful Stroke
8.7%inclusion2 decks23 decks
8%synergy
Epiphany at the Drownyard
8.7%inclusion2 decks23 decks
8%synergy
Consider
8.7%inclusion2 decks23 decks
6%synergy
Razorgrass Ambush
8.7%inclusion2 decks23 decks
8%synergy
Curate
8.7%inclusion2 decks23 decks
8%synergy
Demonic Consultation
8.7%inclusion2 decks23 decks
1%synergy
Faithful Mending
8.7%inclusion2 decks23 decks
5%synergy
Get Out
8.7%inclusion2 decks23 decks
8%synergy
Hostile Negotiations
8.7%inclusion2 decks23 decks
8%synergy
Borne Upon a Wind
8.7%inclusion2 decks23 decks
4%synergy
Utter End
8.7%inclusion2 decks23 decks
2%synergy
Inkshield
8.7%inclusion2 decks23 decks
-1%synergy
Live or Die
8.7%inclusion2 decks23 decks
9%synergy
Generous Gift
8.7%inclusion2 decks23 decks
-5%synergy
Sorceries
Space-Time Anomaly
33%inclusion3 decks9 decks
32%synergy
Buried Alive
26%inclusion6 decks23 decks
22%synergy
Unmarked Grave
22%inclusion5 decks23 decks
20%synergy
Redress Fate
22%inclusion5 decks23 decks
16%synergy
Dance of the Manse
22%inclusion5 decks23 decks
19%synergy
Windfall
17%inclusion4 decks23 decks
4%synergy
Time Wipe
17%inclusion4 decks23 decks
11%synergy
Demonic Counsel
17%inclusion4 decks23 decks
16%synergy
Extinguish All Hope
17%inclusion4 decks23 decks
16%synergy
Traumatize
17%inclusion4 decks23 decks
17%synergy
Diabolic Tutor
13%inclusion3 decks23 decks
8%synergy
Austere Command
13%inclusion3 decks23 decks
5%synergy
Reanimate
13%inclusion3 decks23 decks
-3%synergy
Toxic Deluge
13%inclusion3 decks23 decks
-7%synergy
Unburial Rites
13%inclusion3 decks23 decks
10%synergy
Blasphemous Edict
10%inclusion2 decks21 decks
7%synergy
Supreme Verdict
8.7%inclusion2 decks23 decks
-6%synergy
Ponder
8.7%inclusion2 decks23 decks
0%synergy
Lively Dirge
8.7%inclusion2 decks23 decks
7%synergy
Resurgent Belief
8.7%inclusion2 decks23 decks
7%synergy
Open the Vaults
8.7%inclusion2 decks23 decks
7%synergy
Open the Armory
8.7%inclusion2 decks23 decks
5%synergy
Dread Return
8.7%inclusion2 decks23 decks
6%synergy
Cut Your Losses
8.7%inclusion2 decks23 decks
8%synergy
Glimpse the Unthinkable
8.7%inclusion2 decks23 decks
8%synergy
Idyllic Tutor
8.7%inclusion2 decks23 decks
4%synergy
Vindicate
8.7%inclusion2 decks23 decks
-2%synergy
Cleansing Meditation
8.7%inclusion2 decks23 decks
8%synergy
Living Death
8.7%inclusion2 decks23 decks
4%synergy
Final Parting
8.7%inclusion2 decks23 decks
8%synergy
Brilliant Restoration
8.7%inclusion2 decks23 decks
7%synergy
Necromantic Selection
8.7%inclusion2 decks23 decks
8%synergy
Damn
8.7%inclusion2 decks23 decks
-12%synergy
Pilfered Plans
8.7%inclusion2 decks23 decks
9%synergy
Final Vengeance
8.7%inclusion2 decks23 decks
9%synergy
Utility Artifacts
Wishclaw Talisman
22%inclusion5 decks23 decks
14%synergy
Cloud Key
17%inclusion4 decks23 decks
14%synergy
Keys to the House
13%inclusion3 decks23 decks
13%synergy
Mesmeric Orb
8.7%inclusion2 decks23 decks
8%synergy
Wayfarer's Bauble
8.7%inclusion2 decks23 decks
1%synergy
Grimoire of the Dead
8.7%inclusion2 decks23 decks
8%synergy
Swiftfoot Boots
8.7%inclusion2 decks23 decks
-15%synergy
Lightning Greaves
8.7%inclusion2 decks23 decks
-14%synergy
Wand of Vertebrae
8.7%inclusion2 decks23 decks
9%synergy
Enchantments
Sphere of Safety
43%inclusion10 decks23 decks
34%synergy
Amphibian Downpour
43%inclusion10 decks23 decks
39%synergy
Monologue Tax
43%inclusion10 decks23 decks
37%synergy
Secret Arcade // Dusty Parlor
43%inclusion10 decks23 decks
39%synergy
Propaganda
43%inclusion10 decks23 decks
15%synergy
Necromancy
39%inclusion9 decks23 decks
35%synergy
Seal of Cleansing
39%inclusion9 decks23 decks
38%synergy
Stillness in Motion
38%inclusion5 decks13 decks
38%synergy
Darksteel Mutation
35%inclusion8 decks23 decks
29%synergy
Mystic Remora
35%inclusion8 decks23 decks
14%synergy
Cemetery Tampering
35%inclusion8 decks23 decks
34%synergy
Ghostly Prison
35%inclusion8 decks23 decks
12%synergy
The Tale of Tamiyo
30%inclusion7 decks23 decks
30%synergy
Cacophony Unleashed
26%inclusion6 decks23 decks
24%synergy
Court of Cunning
26%inclusion6 decks23 decks
25%synergy
Estrid's Invocation
26%inclusion6 decks23 decks
21%synergy
Starfield of Nyx
26%inclusion6 decks23 decks
22%synergy
All That Glitters
26%inclusion6 decks23 decks
18%synergy
Enchanted Evening
26%inclusion6 decks23 decks
25%synergy
Phyrexian Arena
26%inclusion6 decks23 decks
12%synergy
Blind Obedience
22%inclusion5 decks23 decks
10%synergy
Timely Ward
22%inclusion5 decks23 decks
17%synergy
Chthonian Nightmare
22%inclusion5 decks23 decks
21%synergy
Nowhere to Run
22%inclusion5 decks23 decks
21%synergy
Defiled Crypt // Cadaver Lab
22%inclusion5 decks23 decks
21%synergy
Cramped Vents // Access Maze
17%inclusion4 decks23 decks
15%synergy
Dance of the Dead
17%inclusion4 decks23 decks
15%synergy
Imprisoned in the Moon
17%inclusion4 decks23 decks
11%synergy
The Eldest Reborn
17%inclusion4 decks23 decks
15%synergy
Out of Time
17%inclusion4 decks23 decks
16%synergy
Restricted Office // Lecture Hall
17%inclusion4 decks23 decks
15%synergy
Static Prison
17%inclusion4 decks23 decks
17%synergy
Sheltered by Ghosts
17%inclusion4 decks23 decks
15%synergy
Seal of Removal
17%inclusion4 decks23 decks
17%synergy
One with the Multiverse
13%inclusion3 decks23 decks
8%synergy
Unable to Scream
13%inclusion3 decks23 decks
12%synergy
Extravagant Replication
13%inclusion3 decks23 decks
8%synergy
Out of the Tombs
13%inclusion3 decks23 decks
13%synergy
Seal of Doom
13%inclusion3 decks23 decks
13%synergy
Copy Enchantment
13%inclusion3 decks23 decks
8%synergy
Shark Typhoon
13%inclusion3 decks23 decks
7%synergy
Secrets of the Dead
13%inclusion3 decks23 decks
13%synergy
Oblivion Ring
13%inclusion3 decks23 decks
12%synergy
Dazzling Theater // Prop Room
13%inclusion3 decks23 decks
12%synergy
Unholy Annex // Ritual Chamber
13%inclusion3 decks23 decks
12%synergy
Polluted Cistern // Dim Oubliette
13%inclusion3 decks23 decks
13%synergy
Ethereal Armor
13%inclusion3 decks23 decks
8%synergy
Mirror Room // Fractured Realm
13%inclusion3 decks23 decks
11%synergy
Into the Pit
13%inclusion3 decks23 decks
13%synergy
Curious Obsession
8.7%inclusion2 decks23 decks
8%synergy
Battles
Invasion of Theros
8.7%inclusion2 decks23 decks
7%synergy
Planeswalkers
Jace, Wielder of Mysteries
8.7%inclusion2 decks23 decks
7%synergy
Utility Lands
Bojuka Bog
65%inclusion15 decks23 decks
38%synergy
Hall of Heliod's Generosity
52%inclusion12 decks23 decks
39%synergy
Shambling Vent
13%inclusion3 decks23 decks
12%synergy
Nephalia Drownyard
13%inclusion3 decks23 decks
13%synergy
Cephalid Coliseum
13%inclusion3 decks23 decks
9%synergy
Echoing Deeps
8.7%inclusion2 decks23 decks
9%synergy
Emergence Zone
8.7%inclusion2 decks23 decks
7%synergy
Drownyard Temple
8.7%inclusion2 decks23 decks
9%synergy
Mana Artifacts
Arcane Signet
91%inclusion21 decks23 decks
4%synergy
Sol Ring
87%inclusion20 decks23 decks
-3%synergy
Talisman of Progress
61%inclusion14 decks23 decks
17%synergy
Talisman of Hierarchy
52%inclusion12 decks23 decks
8%synergy
Orzhov Signet
48%inclusion11 decks23 decks
16%synergy
Talisman of Dominance
43%inclusion10 decks23 decks
-7%synergy
Azorius Signet
43%inclusion10 decks23 decks
14%synergy
Dimir Signet
39%inclusion9 decks23 decks
9%synergy
Fellwar Stone
35%inclusion8 decks23 decks
2%synergy
Commander's Sphere
26%inclusion6 decks23 decks
9%synergy
Mind Stone
22%inclusion5 decks23 decks
10%synergy
Silumgar Monument
8.7%inclusion2 decks23 decks
9%synergy
Azorius Keyrune
8.7%inclusion2 decks23 decks
9%synergy
Ojutai Monument
8.7%inclusion2 decks23 decks
9%synergy
Lands
Swamp
100%inclusion23 decks23 decks
8%synergy
Island
100%inclusion23 decks23 decks
7%synergy
Plains
100%inclusion23 decks23 decks
8%synergy
Command Tower
87%inclusion20 decks23 decks
-6%synergy
Arcane Sanctum
83%inclusion19 decks23 decks
29%synergy
Exotic Orchard
65%inclusion15 decks23 decks
6%synergy
Caves of Koilos
65%inclusion15 decks23 decks
30%synergy
Adarkar Wastes
61%inclusion14 decks23 decks
28%synergy
Glacial Fortress
52%inclusion12 decks23 decks
9%synergy
Contaminated Landscape
48%inclusion11 decks23 decks
34%synergy
Underground River
48%inclusion11 decks23 decks
13%synergy
Temple of Silence
48%inclusion11 decks23 decks
29%synergy
Terramorphic Expanse
43%inclusion10 decks23 decks
28%synergy
Prairie Stream
43%inclusion10 decks23 decks
3%synergy
Isolated Chapel
43%inclusion10 decks23 decks
2%synergy
Obscura Storefront
43%inclusion10 decks23 decks
34%synergy
Dimir Aqueduct
39%inclusion9 decks23 decks
26%synergy
Temple of Enlightenment
39%inclusion9 decks23 decks
24%synergy
Evolving Wilds
39%inclusion9 decks23 decks
15%synergy
Sunken Hollow
39%inclusion9 decks23 decks
-1%synergy
Azorius Chancery
35%inclusion8 decks23 decks
21%synergy
Temple of Deceit
35%inclusion8 decks23 decks
18%synergy
Tainted Field
35%inclusion8 decks23 decks
28%synergy
Valgavoth's Lair
35%inclusion8 decks23 decks
32%synergy
Ash Barrens
30%inclusion7 decks23 decks
20%synergy
Drowned Catacomb
30%inclusion7 decks23 decks
-8%synergy
Orzhov Basilica
30%inclusion7 decks23 decks
16%synergy
Tainted Isle
26%inclusion6 decks23 decks
20%synergy
Myriad Landscape
26%inclusion6 decks23 decks
18%synergy
Darkwater Catacombs
26%inclusion6 decks23 decks
11%synergy
Path of Ancestry
22%inclusion5 decks23 decks
-6%synergy
Choked Estuary
22%inclusion5 decks23 decks
5%synergy
Skycloud Expanse
17%inclusion4 decks23 decks
2%synergy
Sink into Stupor
17%inclusion4 decks23 decks
4%synergy
Irrigated Farmland
13%inclusion3 decks23 decks
6%synergy
Port Town
13%inclusion3 decks23 decks
-4%synergy
Hydroelectric Specimen
13%inclusion3 decks23 decks
10%synergy
Godless Shrine
13%inclusion3 decks23 decks
-39%synergy
Deserted Beach
13%inclusion3 decks23 decks
-8%synergy
Hallowed Fountain
13%inclusion3 decks23 decks
-38%synergy
Waterlogged Teachings
13%inclusion3 decks23 decks
8%synergy
Floodfarm Verge
13%inclusion3 decks23 decks
2%synergy
Undercity Sewers
8.7%inclusion2 decks23 decks
-6%synergy
Conduit Pylons
8.7%inclusion2 decks23 decks
8%synergy
Desolate Mire
8.7%inclusion2 decks23 decks
2%synergy
Razorgrass Ambush
8.7%inclusion2 decks23 decks
8%synergy
Shipwreck Marsh
8.7%inclusion2 decks23 decks
-12%synergy
Thriving Isle
8.7%inclusion2 decks23 decks
4%synergy
Thriving Moor
8.7%inclusion2 decks23 decks
5%synergy
Shineshadow Snarl
8.7%inclusion2 decks23 decks
-2%synergy
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