The Master of Keys (Commander) - Budget Mill

The Master of Keys
Rank #301
32decks
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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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Killian, Decisive Mentor
17%inclusion2 decks12 decks
16%synergy
Eiganjo Dynastorian
17%inclusion1 decks6 decks
15%synergy
Changing Loyalty
17%inclusion1 decks6 decks
16%synergy
Restoration Seminar
17%inclusion1 decks6 decks
15%synergy
Exhibition Tidecaller
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Inquisitive Glimmer
97%inclusion31 decks32 decks
90%synergy
Scrabbling Skullcrab
75%inclusion24 decks32 decks
74%synergy
Fear of Impostors
66%inclusion21 decks32 decks
64%synergy
Starfield Mystic
69%inclusion22 decks32 decks
62%synergy
Doomwake Giant
66%inclusion21 decks32 decks
60%synergy
Victor, Valgavoth's Seneschal
59%inclusion19 decks32 decks
58%synergy
Cemetery Tampering
56%inclusion18 decks32 decks
55%synergy
Mesa Enchantress
63%inclusion20 decks32 decks
54%synergy
Entity Tracker
59%inclusion19 decks32 decks
53%synergy
The Tale of Tamiyo
53%inclusion17 decks32 decks
53%synergy
Top Cards
Demon of Fate's Design
53%inclusion17 decks32 decks
48%synergy
Gravebreaker Lamia
47%inclusion15 decks32 decks
46%synergy
Seal of Cleansing
47%inclusion15 decks32 decks
45%synergy
Defiled Crypt // Cadaver Lab
47%inclusion15 decks32 decks
46%synergy
Singularity Rupture
45%inclusion10 decks22 decks
43%synergy
Grasp of Fate
44%inclusion14 decks32 decks
38%synergy
Sigil of the Empty Throne
44%inclusion14 decks32 decks
38%synergy
Fear of Sleep Paralysis
44%inclusion14 decks32 decks
39%synergy
Otherworldly Gaze
41%inclusion13 decks32 decks
38%synergy
Ghostly Dancers
41%inclusion13 decks32 decks
38%synergy
Creatures
Skullsnap Nuisance
34%inclusion11 decks32 decks
34%synergy
Aminatou, Veil Piercer
34%inclusion11 decks32 decks
33%synergy
Sage of Mysteries
31%inclusion10 decks32 decks
31%synergy
Heliod, the Radiant Dawn
31%inclusion10 decks32 decks
28%synergy
Soaring Lightbringer
28%inclusion9 decks32 decks
24%synergy
Grim Guardian
28%inclusion9 decks32 decks
26%synergy
Archon of Sun's Grace
25%inclusion8 decks32 decks
21%synergy
Balemurk Leech
25%inclusion8 decks32 decks
24%synergy
Ondu Spiritdancer
25%inclusion8 decks32 decks
19%synergy
Alseid of Life's Bounty
25%inclusion8 decks32 decks
24%synergy
Mindwrack Harpy
25%inclusion8 decks32 decks
25%synergy
Overlord of the Floodpits
22%inclusion7 decks32 decks
18%synergy
Fear of Surveillance
22%inclusion7 decks32 decks
22%synergy
Silent Hallcreeper
22%inclusion7 decks32 decks
17%synergy
Spirited Companion
22%inclusion7 decks32 decks
20%synergy
Creeping Peeper
22%inclusion7 decks32 decks
22%synergy
Zur, Eternal Schemer
22%inclusion7 decks32 decks
19%synergy
Moon-Blessed Cleric
19%inclusion6 decks32 decks
14%synergy
Enduring Curiosity
19%inclusion6 decks32 decks
11%synergy
Archetype of Imagination
19%inclusion6 decks32 decks
14%synergy
Millikin
19%inclusion6 decks32 decks
18%synergy
Starnheim Courser
16%inclusion5 decks32 decks
12%synergy
Ashiok's Reaper
16%inclusion5 decks32 decks
15%synergy
Gremlin Tamer
16%inclusion5 decks32 decks
15%synergy
Nashi, Searcher in the Dark
16%inclusion5 decks32 decks
15%synergy
Nightmare Shepherd
16%inclusion5 decks32 decks
13%synergy
Stenn, Paranoid Partisan
13%inclusion4 decks32 decks
11%synergy
The Ancient One
13%inclusion4 decks32 decks
12%synergy
Overlord of the Mistmoors
13%inclusion4 decks32 decks
11%synergy
Stitcher's Supplier
13%inclusion4 decks32 decks
12%synergy
Vega, the Watcher
13%inclusion4 decks32 decks
11%synergy
Appendage Amalgam
13%inclusion4 decks32 decks
12%synergy
Thassa's Devourer
13%inclusion4 decks32 decks
12%synergy
Auramancer
13%inclusion4 decks32 decks
10%synergy
Zur the Enchanter
13%inclusion4 decks32 decks
7%synergy
Callaphe, Beloved of the Sea
13%inclusion4 decks32 decks
11%synergy
Twilight Diviner
13%inclusion2 decks16 decks
11%synergy
Summon: Primal Odin
12%inclusion3 decks26 decks
7%synergy
Emet-Selch of the Third Seat
12%inclusion3 decks26 decks
2%synergy
Summon: Yojimbo
12%inclusion3 decks26 decks
11%synergy
Solemn Simulacrum
9.4%inclusion3 decks32 decks
-4%synergy
Optimistic Scavenger
9.4%inclusion3 decks32 decks
9%synergy
Fear of Infinity
9.4%inclusion3 decks32 decks
9%synergy
Fear of Lost Teeth
9.4%inclusion3 decks32 decks
9%synergy
Agent of Erebos
9.4%inclusion3 decks32 decks
9%synergy
Overlord of the Balemurk
9.4%inclusion3 decks32 decks
8%synergy
Cruel Somnophage
9.4%inclusion3 decks32 decks
9%synergy
Consuming Aberration
9.4%inclusion3 decks32 decks
8%synergy
Underworld Coinsmith
9.4%inclusion3 decks32 decks
9%synergy
Abdel Adrian, Gorion's Ward
9.4%inclusion3 decks32 decks
8%synergy
Instants
Swords to Plowshares
34%inclusion11 decks32 decks
-33%synergy
Counterspell
34%inclusion11 decks32 decks
-8%synergy
Negate
28%inclusion9 decks32 decks
12%synergy
Thirst for Meaning
25%inclusion8 decks32 decks
24%synergy
Frantic Search
19%inclusion6 decks32 decks
0%synergy
Dovin's Veto
19%inclusion6 decks32 decks
-7%synergy
Fact or Fiction
19%inclusion6 decks32 decks
15%synergy
Path to Exile
16%inclusion5 decks32 decks
-27%synergy
Drown in the Loch
13%inclusion4 decks32 decks
11%synergy
Return to Dust
13%inclusion4 decks32 decks
9%synergy
Void Rend
13%inclusion4 decks32 decks
-22%synergy
Swallowed by Leviathan
13%inclusion3 decks24 decks
12%synergy
Dreams of Laguna
12%inclusion3 decks26 decks
11%synergy
An Offer You Can't Refuse
9.4%inclusion3 decks32 decks
-18%synergy
Unwanted Remake
9.4%inclusion3 decks32 decks
9%synergy
Arcane Denial
9.4%inclusion3 decks32 decks
-11%synergy
Get Out
9.4%inclusion3 decks32 decks
9%synergy
Faithful Mending
9.4%inclusion3 decks32 decks
6%synergy
Waterlogged Teachings
9.4%inclusion3 decks32 decks
5%synergy
Rowan's Grim Search
9.4%inclusion3 decks32 decks
9%synergy
Refute
6.9%inclusion2 decks29 decks
4%synergy
Seized from Slumber
6.5%inclusion2 decks31 decks
6%synergy
Absorb
6.3%inclusion2 decks32 decks
4%synergy
Telling Time
6.3%inclusion2 decks32 decks
4%synergy
Confounding Riddle
6.3%inclusion2 decks32 decks
6%synergy
Forbidden Alchemy
6.3%inclusion2 decks32 decks
6%synergy
Aetherize
6.3%inclusion2 decks32 decks
2%synergy
Infernal Grasp
6.3%inclusion2 decks32 decks
5%synergy
Anguished Unmaking
6.3%inclusion2 decks32 decks
-20%synergy
Despark
6.3%inclusion2 decks32 decks
-9%synergy
Visions of Beyond
6.3%inclusion2 decks32 decks
6%synergy
Utter End
6.3%inclusion2 decks32 decks
0%synergy
Drown in Dreams
6.3%inclusion2 decks32 decks
6%synergy
Inkshield
6.3%inclusion2 decks32 decks
-4%synergy
Live or Die
6.3%inclusion2 decks32 decks
6%synergy
Fracture
6.3%inclusion2 decks32 decks
3%synergy
Sorceries
Redress Fate
34%inclusion11 decks32 decks
29%synergy
Extinguish All Hope
28%inclusion9 decks32 decks
27%synergy
Sevinne's Reclamation
25%inclusion8 decks32 decks
16%synergy
Space-Time Anomaly
23%inclusion5 decks22 decks
21%synergy
Dance of the Manse
19%inclusion6 decks32 decks
16%synergy
Glimpse the Unthinkable
16%inclusion5 decks32 decks
15%synergy
Demonic Counsel
16%inclusion5 decks32 decks
15%synergy
Time Wipe
13%inclusion4 decks32 decks
6%synergy
Commune with Evil
9.4%inclusion3 decks32 decks
9%synergy
Windfall
9.4%inclusion3 decks32 decks
-4%synergy
Resurgent Belief
9.4%inclusion3 decks32 decks
7%synergy
Living Death
9.4%inclusion3 decks32 decks
5%synergy
Final Vengeance
9.4%inclusion3 decks32 decks
9%synergy
Traumatize
9.4%inclusion3 decks32 decks
9%synergy
Supreme Verdict
6.3%inclusion2 decks32 decks
-8%synergy
Austere Command
6.3%inclusion2 decks32 decks
-2%synergy
Asinine Antics
6.3%inclusion2 decks32 decks
6%synergy
Triumphant Reckoning
6.3%inclusion2 decks32 decks
6%synergy
Open the Vaults
6.3%inclusion2 decks32 decks
5%synergy
Split Up
6.3%inclusion2 decks32 decks
5%synergy
Wrath of God
6.3%inclusion2 decks32 decks
3%synergy
Cut Your Losses
6.3%inclusion2 decks32 decks
6%synergy
Feed the Swarm
6.3%inclusion2 decks32 decks
3%synergy
Diabolic Vision
6.3%inclusion2 decks32 decks
4%synergy
Starfall Invocation
6.3%inclusion2 decks32 decks
4%synergy
Night's Whisper
6.3%inclusion2 decks32 decks
4%synergy
Buried Alive
6.3%inclusion2 decks32 decks
2%synergy
Brilliant Restoration
6.3%inclusion2 decks32 decks
5%synergy
Reanimate
6.3%inclusion2 decks32 decks
-10%synergy
Rite of the Moth
6.3%inclusion2 decks32 decks
6%synergy
Day of Judgment
6.3%inclusion2 decks32 decks
5%synergy
Utility Artifacts
Keys to the House
19%inclusion6 decks32 decks
19%synergy
Matzalantli, the Great Door
6.3%inclusion2 decks32 decks
4%synergy
Wayfarer's Bauble
6.3%inclusion2 decks32 decks
-1%synergy
Archaeomancer's Map
6.3%inclusion2 decks32 decks
0%synergy
Brainstone
6.3%inclusion2 decks32 decks
5%synergy
Enchantments
Restricted Office // Lecture Hall
38%inclusion12 decks32 decks
35%synergy
Dress Down
38%inclusion12 decks32 decks
35%synergy
Seal of Removal
38%inclusion12 decks32 decks
37%synergy
Central Elevator // Promising Stairs
34%inclusion11 decks32 decks
34%synergy
All That Glitters
34%inclusion11 decks32 decks
26%synergy
Secret Arcade // Dusty Parlor
34%inclusion11 decks32 decks
30%synergy
Ethereal Armor
34%inclusion11 decks32 decks
30%synergy
Propaganda
34%inclusion11 decks32 decks
6%synergy
Stillness in Motion
33%inclusion9 decks27 decks
33%synergy
Underwater Tunnel // Slimy Aquarium
31%inclusion10 decks32 decks
31%synergy
Sphere of Safety
31%inclusion10 decks32 decks
22%synergy
Darksteel Mutation
28%inclusion9 decks32 decks
22%synergy
Imprisoned in the Moon
28%inclusion9 decks32 decks
21%synergy
Estrid's Invocation
28%inclusion9 decks32 decks
23%synergy
Shark Typhoon
28%inclusion9 decks32 decks
22%synergy
Amphibian Downpour
28%inclusion9 decks32 decks
24%synergy
Secrets of the Dead
28%inclusion9 decks32 decks
28%synergy
Derelict Attic // Widow's Walk
26%inclusion8 decks31 decks
25%synergy
Cacophony Unleashed
25%inclusion8 decks32 decks
23%synergy
Monologue Tax
25%inclusion8 decks32 decks
19%synergy
Polluted Cistern // Dim Oubliette
25%inclusion8 decks32 decks
24%synergy
Nowhere to Run
25%inclusion8 decks32 decks
24%synergy
Meat Locker // Drowned Diner
23%inclusion7 decks31 decks
22%synergy
Unable to Scream
22%inclusion7 decks32 decks
21%synergy
Mirrormade
22%inclusion7 decks32 decks
12%synergy
Court of Cunning
19%inclusion6 decks32 decks
18%synergy
Ripples of Undeath
19%inclusion6 decks32 decks
16%synergy
Extravagant Replication
19%inclusion6 decks32 decks
14%synergy
Chronic Flooding
19%inclusion6 decks32 decks
19%synergy
Surgical Suite // Hospital Room
19%inclusion6 decks32 decks
18%synergy
Seal of Doom
19%inclusion6 decks32 decks
19%synergy
The Restoration of Eiganjo
19%inclusion6 decks32 decks
18%synergy
Dazzling Theater // Prop Room
19%inclusion6 decks32 decks
17%synergy
Sheltered by Ghosts
19%inclusion6 decks32 decks
16%synergy
Mirror Room // Fractured Realm
19%inclusion6 decks32 decks
17%synergy
Cramped Vents // Access Maze
16%inclusion5 decks32 decks
13%synergy
Utter Insignificance
16%inclusion5 decks32 decks
15%synergy
The Eldest Reborn
16%inclusion5 decks32 decks
13%synergy
Mystic Remora
16%inclusion5 decks32 decks
-5%synergy
Funeral Room // Awakening Hall
16%inclusion5 decks32 decks
15%synergy
Static Prison
16%inclusion5 decks32 decks
15%synergy
Bottomless Pool // Locker Room
16%inclusion5 decks32 decks
14%synergy
Animate Dead
16%inclusion5 decks32 decks
6%synergy
Eaten by Piranhas
16%inclusion5 decks32 decks
14%synergy
Search for Azcanta
16%inclusion5 decks32 decks
15%synergy
Founding the Third Path
13%inclusion4 decks32 decks
12%synergy
Trapped in the Screen
13%inclusion4 decks32 decks
12%synergy
Soul Snare
13%inclusion4 decks32 decks
12%synergy
Touch the Spirit Realm
13%inclusion4 decks32 decks
10%synergy
Ominous Roost
13%inclusion4 decks32 decks
12%synergy
Battles
Invasion of Theros
16%inclusion5 decks32 decks
14%synergy
Utility Lands
Bojuka Bog
44%inclusion14 decks32 decks
17%synergy
Hall of Heliod's Generosity
22%inclusion7 decks32 decks
9%synergy
Nephalia Drownyard
16%inclusion5 decks32 decks
15%synergy
Drownyard Temple
13%inclusion4 decks32 decks
12%synergy
Reliquary Tower
9.4%inclusion3 decks32 decks
-25%synergy
Cephalid Coliseum
9.4%inclusion3 decks32 decks
6%synergy
Barren Moor
6.3%inclusion2 decks32 decks
5%synergy
Halimar Depths
6.3%inclusion2 decks32 decks
2%synergy
Temple of the False God
6.3%inclusion2 decks32 decks
-2%synergy
Rogue's Passage
6.3%inclusion2 decks32 decks
-4%synergy
Mana Artifacts
Arcane Signet
84%inclusion27 decks32 decks
-3%synergy
Sol Ring
78%inclusion25 decks32 decks
-12%synergy
Orzhov Signet
63%inclusion20 decks32 decks
31%synergy
Azorius Signet
63%inclusion20 decks32 decks
33%synergy
Talisman of Progress
44%inclusion14 decks32 decks
0%synergy
Dimir Signet
38%inclusion12 decks32 decks
7%synergy
Talisman of Hierarchy
28%inclusion9 decks32 decks
-16%synergy
Fellwar Stone
25%inclusion8 decks32 decks
-8%synergy
Commander's Sphere
22%inclusion7 decks32 decks
4%synergy
Talisman of Dominance
22%inclusion7 decks32 decks
-28%synergy
Mind Stone
19%inclusion6 decks32 decks
7%synergy
Charcoal Diamond
6.3%inclusion2 decks32 decks
5%synergy
Sky Diamond
6.3%inclusion2 decks32 decks
5%synergy
Marble Diamond
6.3%inclusion2 decks32 decks
5%synergy
Lands
Swamp
100%inclusion32 decks32 decks
8%synergy
Island
100%inclusion32 decks32 decks
7%synergy
Plains
100%inclusion32 decks32 decks
8%synergy
Command Tower
94%inclusion30 decks32 decks
1%synergy
Arcane Sanctum
88%inclusion28 decks32 decks
33%synergy
Exotic Orchard
75%inclusion24 decks32 decks
16%synergy
Adarkar Wastes
59%inclusion19 decks32 decks
27%synergy
Temple of Deceit
56%inclusion18 decks32 decks
39%synergy
Temple of Enlightenment
56%inclusion18 decks32 decks
41%synergy
Temple of Silence
56%inclusion18 decks32 decks
38%synergy
Evolving Wilds
53%inclusion17 decks32 decks
29%synergy
Caves of Koilos
50%inclusion16 decks32 decks
14%synergy
Glacial Fortress
47%inclusion15 decks32 decks
4%synergy
Terramorphic Expanse
44%inclusion14 decks32 decks
28%synergy
Contaminated Landscape
44%inclusion14 decks32 decks
30%synergy
Prairie Stream
44%inclusion14 decks32 decks
3%synergy
Valgavoth's Lair
44%inclusion14 decks32 decks
41%synergy
Isolated Chapel
44%inclusion14 decks32 decks
2%synergy
Underground River
44%inclusion14 decks32 decks
9%synergy
Sunken Hollow
41%inclusion13 decks32 decks
1%synergy
Azorius Chancery
38%inclusion12 decks32 decks
24%synergy
Dimir Aqueduct
34%inclusion11 decks32 decks
21%synergy
Tainted Field
31%inclusion10 decks32 decks
24%synergy
Orzhov Basilica
31%inclusion10 decks32 decks
16%synergy
Path of Ancestry
28%inclusion9 decks32 decks
0%synergy
Shineshadow Snarl
28%inclusion9 decks32 decks
17%synergy
Obscura Storefront
28%inclusion9 decks32 decks
19%synergy
Tainted Isle
25%inclusion8 decks32 decks
19%synergy
Darkwater Catacombs
25%inclusion8 decks32 decks
10%synergy
Drowned Catacomb
25%inclusion8 decks32 decks
-13%synergy
Irrigated Farmland
22%inclusion7 decks32 decks
15%synergy
Port Town
22%inclusion7 decks32 decks
5%synergy
Ash Barrens
22%inclusion7 decks32 decks
11%synergy
Skycloud Expanse
22%inclusion7 decks32 decks
7%synergy
Myriad Landscape
19%inclusion6 decks32 decks
11%synergy
Fetid Heath
16%inclusion5 decks32 decks
2%synergy
Choked Estuary
16%inclusion5 decks32 decks
-1%synergy
Desolate Mire
13%inclusion4 decks32 decks
6%synergy
Conduit Pylons
9.4%inclusion3 decks32 decks
9%synergy
Glasswing Grace
9.4%inclusion3 decks32 decks
7%synergy
Thriving Isle
9.4%inclusion3 decks32 decks
5%synergy
Thriving Moor
9.4%inclusion3 decks32 decks
5%synergy
Thriving Heath
9.4%inclusion3 decks32 decks
5%synergy
Waterlogged Teachings
9.4%inclusion3 decks32 decks
5%synergy
Floodfarm Verge
9.4%inclusion3 decks32 decks
-2%synergy
Vibrant Cityscape
9.1%inclusion2 decks22 decks
8%synergy
Escape Tunnel
6.3%inclusion2 decks32 decks
5%synergy
Fetid Pools
6.3%inclusion2 decks32 decks
0%synergy
Hidden Grotto
6.3%inclusion2 decks32 decks
6%synergy
Hydroelectric Specimen
6.3%inclusion2 decks32 decks
3%synergy
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