The Master of Keys (Commander) - Self-Mill

The Master of Keys
Rank #300
203decks
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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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Enchantments
Battles
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Utility Lands
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Super Intelligence
4.3%inclusion2 decks47 decks
4%synergy
Surveillance Room
2.4%inclusion1 decks42 decks
2%synergy
Falcon and Redwing
2.4%inclusion1 decks42 decks
2%synergy
Construct a Cosmic Cube
2.0%inclusion1 decks49 decks
2%synergy
Riddles in the Dark
1.4%inclusion1 decks69 decks
1%synergy
High Synergy Cards
Ripples of Undeath
73%inclusion149 decks203 decks
71%synergy
Inquisitive Glimmer
76%inclusion155 decks203 decks
69%synergy
Mesa Enchantress
69%inclusion140 decks203 decks
60%synergy
Gravebreaker Lamia
60%inclusion122 decks203 decks
59%synergy
Entity Tracker
61%inclusion123 decks203 decks
55%synergy
Scrabbling Skullcrab
54%inclusion110 decks203 decks
53%synergy
Starfield Mystic
60%inclusion121 decks203 decks
53%synergy
Animate Dead
62%inclusion125 decks203 decks
52%synergy
Demon of Fate's Design
55%inclusion111 decks203 decks
49%synergy
Hall of Heliod's Generosity
61%inclusion123 decks203 decks
48%synergy
Top Cards
Doomwake Giant
53%inclusion108 decks203 decks
47%synergy
Overlord of the Floodpits
50%inclusion102 decks203 decks
47%synergy
Dress Down
50%inclusion101 decks203 decks
48%synergy
Fear of Sleep Paralysis
49%inclusion100 decks203 decks
44%synergy
Mystic Remora
48%inclusion98 decks203 decks
28%synergy
Overlord of the Balemurk
48%inclusion97 decks203 decks
46%synergy
Necromancy
46%inclusion94 decks203 decks
42%synergy
Sphere of Safety
46%inclusion94 decks203 decks
37%synergy
Victor, Valgavoth's Seneschal
45%inclusion91 decks203 decks
43%synergy
Starfield of Nyx
43%inclusion87 decks203 decks
39%synergy
Game Changers
Smothering Tithe
38%inclusion78 decks203 decks
8%synergy
Rhystic Study
32%inclusion64 decks203 decks
1%synergy
Enlightened Tutor
18%inclusion36 decks203 decks
-1%synergy
Demonic Tutor
14%inclusion29 decks203 decks
-6%synergy
Necropotence
14%inclusion29 decks203 decks
8%synergy
Thassa's Oracle
13%inclusion27 decks203 decks
5%synergy
Vampiric Tutor
12%inclusion24 decks203 decks
-5%synergy
Fierce Guardianship
11%inclusion23 decks203 decks
-9%synergy
Mystical Tutor
10%inclusion20 decks203 decks
-1%synergy
Cyclonic Rift
8.4%inclusion17 decks203 decks
-14%synergy
Creatures
Fear of Impostors
41%inclusion84 decks203 decks
40%synergy
Ondu Spiritdancer
41%inclusion84 decks203 decks
35%synergy
Zur, Eternal Schemer
40%inclusion81 decks203 decks
37%synergy
Ghostly Dancers
29%inclusion59 decks203 decks
27%synergy
Enduring Curiosity
28%inclusion56 decks203 decks
20%synergy
Zur the Enchanter
28%inclusion56 decks203 decks
23%synergy
Silent Hallcreeper
27%inclusion54 decks203 decks
22%synergy
Grim Guardian
27%inclusion54 decks203 decks
24%synergy
Heliod, the Radiant Dawn
25%inclusion50 decks203 decks
21%synergy
Aminatou, Veil Piercer
23%inclusion47 decks203 decks
22%synergy
Sage of Mysteries
22%inclusion45 decks203 decks
22%synergy
Soaring Lightbringer
22%inclusion45 decks203 decks
18%synergy
Archon of Sun's Grace
21%inclusion43 decks203 decks
17%synergy
Abdel Adrian, Gorion's Ward
20%inclusion41 decks203 decks
19%synergy
Moon-Blessed Cleric
19%inclusion38 decks203 decks
14%synergy
Mindwrack Harpy
19%inclusion38 decks203 decks
18%synergy
Alseid of Life's Bounty
18%inclusion37 decks203 decks
17%synergy
Hedron Crab
15%inclusion30 decks203 decks
14%synergy
Overlord of the Mistmoors
15%inclusion30 decks203 decks
13%synergy
Skullsnap Nuisance
15%inclusion30 decks203 decks
14%synergy
Archetype of Imagination
15%inclusion30 decks203 decks
10%synergy
Esper Sentinel
14%inclusion29 decks203 decks
-13%synergy
Athreos, Shroud-Veiled
13%inclusion27 decks203 decks
9%synergy
Balemurk Leech
13%inclusion27 decks203 decks
13%synergy
Ancient Cellarspawn
13%inclusion27 decks203 decks
11%synergy
Lotho, Corrupt Shirriff
13%inclusion26 decks203 decks
-4%synergy
Gremlin Tamer
12%inclusion25 decks203 decks
11%synergy
Grand Abolisher
12%inclusion24 decks203 decks
-3%synergy
Starnheim Courser
11%inclusion22 decks203 decks
7%synergy
Laboratory Maniac
11%inclusion22 decks203 decks
8%synergy
Nashi, Searcher in the Dark
11%inclusion22 decks203 decks
10%synergy
Eiganjo Dynastorian
11%inclusion9 decks85 decks
9%synergy
Stenn, Paranoid Partisan
10%inclusion21 decks203 decks
9%synergy
Spirited Companion
10%inclusion21 decks203 decks
9%synergy
Emet-Selch of the Third Seat
10%inclusion16 decks156 decks
1%synergy
Witch Enchanter
9.4%inclusion19 decks203 decks
2%synergy
Phenax, God of Deception
9.4%inclusion19 decks203 decks
9%synergy
Summon: Bahamut
9.0%inclusion14 decks156 decks
8%synergy
Summon: Yojimbo
9.0%inclusion14 decks156 decks
8%synergy
Fear of Infinity
8.9%inclusion18 decks203 decks
8%synergy
Stitcher's Supplier
8.4%inclusion17 decks203 decks
8%synergy
Hullbreaker Horror
8.4%inclusion17 decks203 decks
2%synergy
Ledger Shredder
7.9%inclusion16 decks203 decks
-1%synergy
Fear of Surveillance
7.4%inclusion15 decks203 decks
7%synergy
Neerdiv, Devious Diver
7.0%inclusion13 decks185 decks
7%synergy
Agent of Erebos
6.9%inclusion14 decks203 decks
6%synergy
Auramancer
6.9%inclusion14 decks203 decks
4%synergy
Millikin
6.9%inclusion14 decks203 decks
6%synergy
Displacer Kitten
6.4%inclusion13 decks203 decks
-0%synergy
Solemn Simulacrum
5.9%inclusion12 decks203 decks
-7%synergy
Instants
Swords to Plowshares
42%inclusion85 decks203 decks
-26%synergy
Entomb
33%inclusion67 decks203 decks
26%synergy
Counterspell
32%inclusion64 decks203 decks
-11%synergy
Path to Exile
24%inclusion48 decks203 decks
-19%synergy
An Offer You Can't Refuse
23%inclusion47 decks203 decks
-5%synergy
Dark Ritual
23%inclusion46 decks203 decks
2%synergy
Void Rend
22%inclusion44 decks203 decks
-13%synergy
Arcane Denial
21%inclusion42 decks203 decks
0%synergy
Dovin's Veto
16%inclusion33 decks203 decks
-10%synergy
Thirst for Meaning
14%inclusion29 decks203 decks
13%synergy
Frantic Search
14%inclusion28 decks203 decks
-5%synergy
Otherworldly Gaze
13%inclusion27 decks203 decks
11%synergy
Swan Song
12%inclusion24 decks203 decks
-8%synergy
Sink into Stupor
11%inclusion23 decks203 decks
-2%synergy
Inkshield
11%inclusion23 decks203 decks
1%synergy
Silence
11%inclusion22 decks203 decks
1%synergy
Negate
10%inclusion21 decks203 decks
-6%synergy
Fell the Profane
10%inclusion20 decks203 decks
1%synergy
Cabal Ritual
10%inclusion20 decks203 decks
6%synergy
Mana Drain
9.4%inclusion19 decks203 decks
-8%synergy
Demonic Consultation
8.4%inclusion17 decks203 decks
1%synergy
Gifts Ungiven
7.4%inclusion15 decks203 decks
5%synergy
Brainstorm
6.9%inclusion14 decks203 decks
-10%synergy
Force of Will
6.9%inclusion14 decks203 decks
-5%synergy
Faithful Mending
6.9%inclusion14 decks203 decks
3%synergy
Tainted Pact
6.4%inclusion13 decks203 decks
-0%synergy
Anguished Unmaking
6.4%inclusion13 decks203 decks
-20%synergy
Force of Negation
6.4%inclusion13 decks203 decks
-5%synergy
Utter End
6.4%inclusion13 decks203 decks
0%synergy
Mindbreak Trap
5.9%inclusion12 decks203 decks
-1%synergy
Teferi's Protection
5.4%inclusion11 decks203 decks
-11%synergy
Flusterstorm
5.4%inclusion11 decks203 decks
-2%synergy
Borne Upon a Wind
5.4%inclusion11 decks203 decks
1%synergy
Sorceries
Sevinne's Reclamation
39%inclusion80 decks203 decks
31%synergy
Redress Fate
31%inclusion62 decks203 decks
25%synergy
Windfall
24%inclusion49 decks203 decks
11%synergy
Reanimate
21%inclusion42 decks203 decks
4%synergy
Extinguish All Hope
18%inclusion37 decks203 decks
17%synergy
Dance of the Manse
18%inclusion36 decks203 decks
15%synergy
Toxic Deluge
16%inclusion33 decks203 decks
-4%synergy
Singularity Rupture
16%inclusion23 decks148 decks
13%synergy
Resurgent Belief
15%inclusion30 decks203 decks
13%synergy
Space-Time Anomaly
12%inclusion18 decks145 decks
11%synergy
Time Wipe
12%inclusion24 decks203 decks
6%synergy
Idyllic Tutor
12%inclusion24 decks203 decks
8%synergy
Glimpse the Unthinkable
11%inclusion23 decks203 decks
11%synergy
Replenish
9.4%inclusion19 decks203 decks
8%synergy
Damn
9.4%inclusion19 decks203 decks
-11%synergy
Supreme Verdict
8.9%inclusion18 decks203 decks
-6%synergy
Demonic Counsel
8.9%inclusion18 decks203 decks
8%synergy
Brilliant Restoration
8.4%inclusion17 decks203 decks
7%synergy
Traumatize
7.9%inclusion16 decks203 decks
7%synergy
Unmarked Grave
7.4%inclusion15 decks203 decks
6%synergy
Buried Alive
6.9%inclusion14 decks203 decks
3%synergy
Austere Command
5.9%inclusion12 decks203 decks
-2%synergy
Restoration Seminar
5.9%inclusion5 decks85 decks
5%synergy
Ponder
5.4%inclusion11 decks203 decks
-4%synergy
Beseech the Mirror
5.4%inclusion11 decks203 decks
1%synergy
Utility Artifacts
Mesmeric Orb
21%inclusion43 decks203 decks
20%synergy
Cloud Key
10%inclusion20 decks203 decks
7%synergy
Lightning Greaves
8.4%inclusion17 decks203 decks
-14%synergy
Perpetual Timepiece
7.4%inclusion15 decks203 decks
7%synergy
Wayfarer's Bauble
6.9%inclusion14 decks203 decks
-0%synergy
The One Ring
6.4%inclusion13 decks203 decks
-6%synergy
Keys to the House
6.4%inclusion13 decks203 decks
6%synergy
Crucible of Worlds
5.9%inclusion12 decks203 decks
5%synergy
Palantír of Orthanc
5.4%inclusion11 decks203 decks
4%synergy
Wishclaw Talisman
5.4%inclusion11 decks203 decks
-2%synergy
Enchantments
Secret Arcade // Dusty Parlor
42%inclusion85 decks203 decks
38%synergy
Sigil of the Empty Throne
40%inclusion82 decks203 decks
35%synergy
Ghostly Prison
40%inclusion81 decks203 decks
17%synergy
Propaganda
40%inclusion81 decks203 decks
11%synergy
Mirrormade
39%inclusion80 decks203 decks
30%synergy
Seal of Cleansing
39%inclusion80 decks203 decks
38%synergy
Cemetery Tampering
38%inclusion78 decks203 decks
38%synergy
Grasp of Fate
36%inclusion74 decks203 decks
30%synergy
Amphibian Downpour
33%inclusion68 decks203 decks
29%synergy
Estrid's Invocation
32%inclusion64 decks203 decks
27%synergy
Blind Obedience
31%inclusion62 decks203 decks
19%synergy
Stillness in Motion
29%inclusion47 decks164 decks
28%synergy
Dance of the Dead
29%inclusion58 decks203 decks
26%synergy
Cacophony Unleashed
27%inclusion55 decks203 decks
25%synergy
Defiled Crypt // Cadaver Lab
26%inclusion52 decks203 decks
25%synergy
Monologue Tax
25%inclusion51 decks203 decks
18%synergy
Darksteel Mutation
22%inclusion45 decks203 decks
16%synergy
Court of Cunning
22%inclusion45 decks203 decks
21%synergy
The Tale of Tamiyo
22%inclusion45 decks203 decks
22%synergy
Polluted Cistern // Dim Oubliette
22%inclusion45 decks203 decks
22%synergy
Ethereal Armor
22%inclusion44 decks203 decks
17%synergy
All That Glitters
21%inclusion43 decks203 decks
13%synergy
Extravagant Replication
20%inclusion41 decks203 decks
15%synergy
Out of the Tombs
20%inclusion41 decks203 decks
20%synergy
Copy Enchantment
20%inclusion41 decks203 decks
15%synergy
Phyrexian Arena
19%inclusion39 decks203 decks
5%synergy
Restricted Office // Lecture Hall
19%inclusion38 decks203 decks
17%synergy
Sheltered by Ghosts
19%inclusion38 decks203 decks
16%synergy
Seal of Removal
19%inclusion38 decks203 decks
18%synergy
Teval's Judgment
18%inclusion31 decks168 decks
18%synergy
Shark Typhoon
18%inclusion36 decks203 decks
12%synergy
Bottomless Pool // Locker Room
18%inclusion36 decks203 decks
16%synergy
Greater Auramancy
18%inclusion36 decks203 decks
13%synergy
Central Elevator // Promising Stairs
17%inclusion35 decks203 decks
17%synergy
Black Market Connections
17%inclusion35 decks203 decks
2%synergy
Hallowed Haunting
17%inclusion35 decks203 decks
15%synergy
The Meathook Massacre
17%inclusion34 decks203 decks
14%synergy
Imprisoned in the Moon
16%inclusion33 decks203 decks
9%synergy
Leyline of Anticipation
16%inclusion33 decks203 decks
12%synergy
Mirror Room // Fractured Realm
16%inclusion33 decks203 decks
14%synergy
Timely Ward
16%inclusion32 decks203 decks
11%synergy
Secrets of the Dead
15%inclusion30 decks203 decks
14%synergy
Cramped Vents // Access Maze
14%inclusion28 decks203 decks
12%synergy
Underwater Tunnel // Slimy Aquarium
12%inclusion25 decks203 decks
12%synergy
Touch the Spirit Realm
12%inclusion25 decks203 decks
10%synergy
Meat Locker // Drowned Diner
12%inclusion24 decks200 decks
12%synergy
One with the Multiverse
11%inclusion23 decks203 decks
7%synergy
Funeral Room // Awakening Hall
11%inclusion23 decks203 decks
10%synergy
Dazzling Theater // Prop Room
11%inclusion23 decks203 decks
10%synergy
Land Tax
11%inclusion23 decks203 decks
5%synergy
Battles
Invasion of Theros
8.9%inclusion18 decks203 decks
7%synergy
Planeswalkers
Teferi, Time Raveler
6.4%inclusion13 decks203 decks
-2%synergy
Utility Lands
Bojuka Bog
35%inclusion71 decks203 decks
8%synergy
Otawara, Soaring City
19%inclusion38 decks203 decks
-0%synergy
Reliquary Tower
16%inclusion32 decks203 decks
-18%synergy
Takenuma, Abandoned Mire
15%inclusion30 decks203 decks
8%synergy
Cephalid Coliseum
14%inclusion28 decks203 decks
10%synergy
Halimar Depths
10%inclusion20 decks203 decks
5%synergy
Adagia, Windswept Bastion
10%inclusion14 decks147 decks
7%synergy
Urborg, Tomb of Yawgmoth
8.4%inclusion17 decks203 decks
-5%synergy
Nephalia Drownyard
7.9%inclusion16 decks203 decks
7%synergy
Ancient Tomb
7.4%inclusion15 decks203 decks
-5%synergy
Urza's Saga
6.4%inclusion13 decks203 decks
-5%synergy
Serra's Sanctum
5.4%inclusion11 decks203 decks
4%synergy
Temple of the False God
5.4%inclusion11 decks203 decks
-3%synergy
Mana Artifacts
Arcane Signet
87%inclusion176 decks203 decks
-1%synergy
Sol Ring
84%inclusion170 decks203 decks
-6%synergy
Talisman of Dominance
52%inclusion105 decks203 decks
1%synergy
Talisman of Hierarchy
44%inclusion90 decks203 decks
-1%synergy
Talisman of Progress
44%inclusion89 decks203 decks
-1%synergy
Azorius Signet
33%inclusion67 decks203 decks
4%synergy
Fellwar Stone
29%inclusion58 decks203 decks
-4%synergy
Orzhov Signet
29%inclusion58 decks203 decks
-3%synergy
Dimir Signet
23%inclusion46 decks203 decks
-7%synergy
Mind Stone
14%inclusion28 decks203 decks
2%synergy
Lotus Petal
8.9%inclusion18 decks203 decks
-1%synergy
Commander's Sphere
7.4%inclusion15 decks203 decks
-10%synergy
Mana Vault
7.4%inclusion15 decks203 decks
-1%synergy
Lands
Island
97%inclusion197 decks203 decks
4%synergy
Swamp
96%inclusion194 decks203 decks
4%synergy
Plains
95%inclusion193 decks203 decks
3%synergy
Command Tower
94%inclusion190 decks203 decks
1%synergy
Arcane Sanctum
62%inclusion126 decks203 decks
8%synergy
Caves of Koilos
54%inclusion110 decks203 decks
18%synergy
Exotic Orchard
53%inclusion108 decks203 decks
-6%synergy
Underground River
52%inclusion105 decks203 decks
16%synergy
Adarkar Wastes
51%inclusion103 decks203 decks
18%synergy
Hallowed Fountain
47%inclusion95 decks203 decks
-4%synergy
Watery Grave
47%inclusion95 decks203 decks
-5%synergy
Glacial Fortress
45%inclusion92 decks203 decks
2%synergy
Godless Shrine
45%inclusion91 decks203 decks
-7%synergy
Raffine's Tower
41%inclusion84 decks203 decks
1%synergy
Isolated Chapel
40%inclusion81 decks203 decks
-2%synergy
Polluted Delta
39%inclusion80 decks203 decks
1%synergy
Drowned Catacomb
38%inclusion77 decks203 decks
-1%synergy
Flooded Strand
38%inclusion77 decks203 decks
-1%synergy
Valgavoth's Lair
37%inclusion76 decks203 decks
35%synergy
Marsh Flats
34%inclusion70 decks203 decks
-1%synergy
Undercity Sewers
33%inclusion66 decks203 decks
18%synergy
Meticulous Archive
32%inclusion64 decks203 decks
18%synergy
Prairie Stream
30%inclusion60 decks203 decks
-11%synergy
Shadowy Backstreet
29%inclusion59 decks203 decks
16%synergy
Sea of Clouds
29%inclusion59 decks203 decks
-6%synergy
Sunken Hollow
28%inclusion57 decks203 decks
-12%synergy
Vault of Champions
28%inclusion57 decks203 decks
-4%synergy
Morphic Pool
27%inclusion55 decks203 decks
-6%synergy
Deserted Beach
27%inclusion55 decks203 decks
6%synergy
Azorius Chancery
25%inclusion51 decks203 decks
12%synergy
Terramorphic Expanse
24%inclusion49 decks203 decks
9%synergy
Dimir Aqueduct
23%inclusion47 decks203 decks
11%synergy
Shipwreck Marsh
23%inclusion47 decks203 decks
3%synergy
Contaminated Landscape
23%inclusion46 decks203 decks
9%synergy
Orzhov Basilica
22%inclusion44 decks203 decks
7%synergy
Evolving Wilds
21%inclusion43 decks203 decks
-3%synergy
Floodfarm Verge
21%inclusion42 decks203 decks
10%synergy
Temple of Enlightenment
20%inclusion40 decks203 decks
4%synergy
Gloomlake Verge
19%inclusion39 decks203 decks
8%synergy
Temple of Deceit
19%inclusion38 decks203 decks
2%synergy
Temple of Silence
18%inclusion37 decks203 decks
0%synergy
Obscura Storefront
18%inclusion36 decks203 decks
9%synergy
Shattered Sanctum
17%inclusion34 decks203 decks
-1%synergy
Tainted Isle
16%inclusion32 decks203 decks
9%synergy
Tainted Field
16%inclusion32 decks203 decks
9%synergy
Fabled Passage
15%inclusion30 decks203 decks
7%synergy
City of Brass
14%inclusion28 decks203 decks
-2%synergy
Darkwater Catacombs
13%inclusion26 decks203 decks
-2%synergy
Ash Barrens
11%inclusion23 decks203 decks
1%synergy
Port Town
11%inclusion23 decks203 decks
-6%synergy
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