The Master of Keys (Commander) - Upgraded Control

The Master of Keys
Rank #303
46decks
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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
Mana Artifacts
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Ripples of Undeath
76%inclusion35 decks46 decks
73%synergy
Inquisitive Glimmer
80%inclusion37 decks46 decks
73%synergy
Entity Tracker
74%inclusion34 decks46 decks
68%synergy
Gravebreaker Lamia
67%inclusion31 decks46 decks
66%synergy
Starfield Mystic
70%inclusion32 decks46 decks
63%synergy
Dress Down
65%inclusion30 decks46 decks
63%synergy
Amphibian Downpour
63%inclusion29 decks46 decks
58%synergy
Animate Dead
67%inclusion31 decks46 decks
58%synergy
Demon of Fate's Design
63%inclusion29 decks46 decks
58%synergy
Doomwake Giant
61%inclusion28 decks46 decks
55%synergy
Top Cards
Mystic Remora
61%inclusion28 decks46 decks
40%synergy
Mesa Enchantress
61%inclusion28 decks46 decks
52%synergy
Fear of Impostors
57%inclusion26 decks46 decks
55%synergy
Scrabbling Skullcrab
54%inclusion25 decks46 decks
53%synergy
Necromancy
54%inclusion25 decks46 decks
50%synergy
Swords to Plowshares
54%inclusion25 decks46 decks
-13%synergy
Grasp of Fate
52%inclusion24 decks46 decks
46%synergy
Overlord of the Floodpits
52%inclusion24 decks46 decks
49%synergy
Overlord of the Balemurk
50%inclusion23 decks46 decks
48%synergy
An Offer You Can't Refuse
48%inclusion22 decks46 decks
20%synergy
Game Changers
Smothering Tithe
35%inclusion16 decks46 decks
5%synergy
Rhystic Study
26%inclusion12 decks46 decks
-4%synergy
Farewell
15%inclusion7 decks46 decks
3%synergy
Gifts Ungiven
13%inclusion6 decks46 decks
10%synergy
Enlightened Tutor
8.7%inclusion4 decks46 decks
-10%synergy
Consecrated Sphinx
6.5%inclusion3 decks46 decks
1%synergy
Demonic Tutor
6.5%inclusion3 decks46 decks
-14%synergy
Cyclonic Rift
6.5%inclusion3 decks46 decks
-16%synergy
Creatures
Fear of Sleep Paralysis
46%inclusion21 decks46 decks
41%synergy
Zur, Eternal Schemer
46%inclusion21 decks46 decks
42%synergy
Ondu Spiritdancer
39%inclusion18 decks46 decks
33%synergy
Victor, Valgavoth's Seneschal
33%inclusion15 decks46 decks
31%synergy
Heliod, the Radiant Dawn
33%inclusion15 decks46 decks
29%synergy
Silent Hallcreeper
28%inclusion13 decks46 decks
24%synergy
Zur the Enchanter
28%inclusion13 decks46 decks
23%synergy
Sage of Mysteries
24%inclusion11 decks46 decks
24%synergy
Grim Guardian
24%inclusion11 decks46 decks
21%synergy
Ghostly Dancers
24%inclusion11 decks46 decks
22%synergy
Archon of Sun's Grace
22%inclusion10 decks46 decks
17%synergy
Stenn, Paranoid Partisan
17%inclusion8 decks46 decks
16%synergy
Lotho, Corrupt Shirriff
17%inclusion8 decks46 decks
0%synergy
Overlord of the Mistmoors
17%inclusion8 decks46 decks
15%synergy
Enduring Curiosity
15%inclusion7 decks46 decks
7%synergy
Nashi, Searcher in the Dark
15%inclusion7 decks46 decks
15%synergy
Abdel Adrian, Gorion's Ward
15%inclusion7 decks46 decks
14%synergy
Ledger Shredder
15%inclusion7 decks46 decks
7%synergy
Moon-Blessed Cleric
13%inclusion6 decks46 decks
8%synergy
Ancient Cellarspawn
13%inclusion6 decks46 decks
10%synergy
Mindwrack Harpy
13%inclusion6 decks46 decks
13%synergy
Witch Enchanter
11%inclusion5 decks46 decks
4%synergy
Valley Floodcaller
11%inclusion5 decks46 decks
7%synergy
Hedron Crab
11%inclusion5 decks46 decks
10%synergy
Angel of Suffering
11%inclusion5 decks46 decks
11%synergy
Balemurk Leech
11%inclusion5 decks46 decks
10%synergy
Hullbreaker Horror
11%inclusion5 decks46 decks
5%synergy
Starnheim Courser
8.7%inclusion4 decks46 decks
5%synergy
Doom Whisperer
8.7%inclusion4 decks46 decks
7%synergy
Esper Sentinel
8.7%inclusion4 decks46 decks
-18%synergy
Soaring Lightbringer
8.7%inclusion4 decks46 decks
4%synergy
Skullsnap Nuisance
8.7%inclusion4 decks46 decks
8%synergy
Laboratory Maniac
8.7%inclusion4 decks46 decks
5%synergy
Abhorrent Oculus
8.7%inclusion4 decks46 decks
8%synergy
Aminatou, Veil Piercer
8.7%inclusion4 decks46 decks
7%synergy
Alseid of Life's Bounty
8.7%inclusion4 decks46 decks
7%synergy
Eiganjo Dynastorian
6.7%inclusion1 decks15 decks
5%synergy
Fear of Infinity
6.5%inclusion3 decks46 decks
6%synergy
High Fae Trickster
6.5%inclusion3 decks46 decks
2%synergy
Lurrus of the Dream-Den
6.5%inclusion3 decks46 decks
5%synergy
Knight of the White Orchid
6.5%inclusion3 decks46 decks
2%synergy
Athreos, Shroud-Veiled
6.5%inclusion3 decks46 decks
2%synergy
Archetype of Imagination
6.5%inclusion3 decks46 decks
2%synergy
Neerdiv, Devious Diver
6.5%inclusion3 decks46 decks
6%synergy
Toxrill, the Corrosive
6.5%inclusion3 decks46 decks
4%synergy
Mirror-Mad Phantasm
6.5%inclusion3 decks46 decks
6%synergy
Instants
Counterspell
39%inclusion18 decks46 decks
-3%synergy
Arcane Denial
37%inclusion17 decks46 decks
17%synergy
Entomb
30%inclusion14 decks46 decks
24%synergy
Swan Song
28%inclusion13 decks46 decks
8%synergy
Dovin's Veto
26%inclusion12 decks46 decks
-0%synergy
Path to Exile
22%inclusion10 decks46 decks
-21%synergy
Negate
20%inclusion9 decks46 decks
3%synergy
Void Rend
20%inclusion9 decks46 decks
-15%synergy
Dark Ritual
15%inclusion7 decks46 decks
-5%synergy
Sink into Stupor
15%inclusion7 decks46 decks
2%synergy
Inkshield
15%inclusion7 decks46 decks
5%synergy
Fell the Profane
13%inclusion6 decks46 decks
4%synergy
Mana Drain
13%inclusion6 decks46 decks
-4%synergy
Anguished Unmaking
13%inclusion6 decks46 decks
-13%synergy
Thirst for Meaning
11%inclusion5 decks46 decks
9%synergy
Generous Gift
11%inclusion5 decks46 decks
-3%synergy
Brainstorm
8.7%inclusion4 decks46 decks
-8%synergy
Otherworldly Gaze
8.7%inclusion4 decks46 decks
7%synergy
Fact or Fiction
6.5%inclusion3 decks46 decks
3%synergy
Strix Serenade
6.5%inclusion3 decks46 decks
3%synergy
Disallow
6.5%inclusion3 decks46 decks
3%synergy
Faithful Mending
6.5%inclusion3 decks46 decks
3%synergy
Waterlogged Teachings
6.5%inclusion3 decks46 decks
2%synergy
Consult the Star Charts
5.1%inclusion2 decks39 decks
4%synergy
Sorceries
Sevinne's Reclamation
43%inclusion20 decks46 decks
35%synergy
Extinguish All Hope
24%inclusion11 decks46 decks
22%synergy
Redress Fate
22%inclusion10 decks46 decks
16%synergy
Dance of the Manse
22%inclusion10 decks46 decks
19%synergy
Resurgent Belief
20%inclusion9 decks46 decks
18%synergy
Glimpse the Unthinkable
20%inclusion9 decks46 decks
19%synergy
Singularity Rupture
18%inclusion7 decks39 decks
16%synergy
Windfall
17%inclusion8 decks46 decks
4%synergy
Idyllic Tutor
17%inclusion8 decks46 decks
13%synergy
Supreme Verdict
13%inclusion6 decks46 decks
-2%synergy
Wrath of God
13%inclusion6 decks46 decks
9%synergy
Reanimate
13%inclusion6 decks46 decks
-3%synergy
Austere Command
11%inclusion5 decks46 decks
3%synergy
Time Wipe
11%inclusion5 decks46 decks
5%synergy
Toxic Deluge
11%inclusion5 decks46 decks
-9%synergy
Space-Time Anomaly
10%inclusion4 decks39 decks
9%synergy
Buried Alive
8.7%inclusion4 decks46 decks
4%synergy
Damn
8.7%inclusion4 decks46 decks
-12%synergy
Traumatize
8.7%inclusion4 decks46 decks
8%synergy
Ponder
6.5%inclusion3 decks46 decks
-2%synergy
Open the Vaults
6.5%inclusion3 decks46 decks
5%synergy
Cut Your Losses
6.5%inclusion3 decks46 decks
6%synergy
Demonic Counsel
6.5%inclusion3 decks46 decks
6%synergy
Breach the Multiverse
6.5%inclusion3 decks46 decks
5%synergy
Utility Artifacts
Mesmeric Orb
33%inclusion15 decks46 decks
31%synergy
Lightning Greaves
22%inclusion10 decks46 decks
-1%synergy
Swiftfoot Boots
11%inclusion5 decks46 decks
-13%synergy
Cloud Key
8.7%inclusion4 decks46 decks
5%synergy
Crucible of Worlds
8.7%inclusion4 decks46 decks
8%synergy
Perpetual Timepiece
6.5%inclusion3 decks46 decks
6%synergy
Whip of Erebos
6.5%inclusion3 decks46 decks
4%synergy
Palantír of Orthanc
6.5%inclusion3 decks46 decks
5%synergy
Enchantments
Blind Obedience
48%inclusion22 decks46 decks
36%synergy
Estrid's Invocation
48%inclusion22 decks46 decks
43%synergy
Cemetery Tampering
48%inclusion22 decks46 decks
47%synergy
Mirrormade
46%inclusion21 decks46 decks
36%synergy
Seal of Cleansing
46%inclusion21 decks46 decks
44%synergy
Secret Arcade // Dusty Parlor
46%inclusion21 decks46 decks
41%synergy
Ghostly Prison
46%inclusion21 decks46 decks
23%synergy
Sphere of Safety
43%inclusion20 decks46 decks
34%synergy
Sigil of the Empty Throne
41%inclusion19 decks46 decks
36%synergy
Starfield of Nyx
39%inclusion18 decks46 decks
35%synergy
Propaganda
39%inclusion18 decks46 decks
10%synergy
Dance of the Dead
37%inclusion17 decks46 decks
35%synergy
The Tale of Tamiyo
37%inclusion17 decks46 decks
37%synergy
Cacophony Unleashed
33%inclusion15 decks46 decks
31%synergy
Imprisoned in the Moon
33%inclusion15 decks46 decks
26%synergy
Solitary Confinement
33%inclusion15 decks46 decks
30%synergy
Darksteel Mutation
30%inclusion14 decks46 decks
24%synergy
Out of the Tombs
30%inclusion14 decks46 decks
30%synergy
Touch the Spirit Realm
30%inclusion14 decks46 decks
28%synergy
Sheltered by Ghosts
30%inclusion14 decks46 decks
28%synergy
Seal of Removal
30%inclusion14 decks46 decks
30%synergy
Authority of the Consuls
28%inclusion13 decks46 decks
15%synergy
Copy Enchantment
28%inclusion13 decks46 decks
23%synergy
Static Prison
26%inclusion12 decks46 decks
26%synergy
Ethereal Armor
26%inclusion12 decks46 decks
22%synergy
Hallowed Haunting
26%inclusion12 decks46 decks
24%synergy
The Meathook Massacre
24%inclusion11 decks46 decks
21%synergy
Leyline of Anticipation
24%inclusion11 decks46 decks
20%synergy
Oubliette
24%inclusion11 decks46 decks
22%synergy
Nowhere to Run
24%inclusion11 decks46 decks
23%synergy
Greater Auramancy
24%inclusion11 decks46 decks
20%synergy
Aura of Silence
24%inclusion11 decks46 decks
21%synergy
Stillness in Motion
23%inclusion10 decks43 decks
23%synergy
Timely Ward
22%inclusion10 decks46 decks
17%synergy
Extravagant Replication
20%inclusion9 decks46 decks
15%synergy
Monologue Tax
20%inclusion9 decks46 decks
13%synergy
Defiled Crypt // Cadaver Lab
20%inclusion9 decks46 decks
19%synergy
Land Tax
17%inclusion8 decks46 decks
11%synergy
Trouble in Pairs
17%inclusion8 decks46 decks
12%synergy
One with the Multiverse
15%inclusion7 decks46 decks
11%synergy
Shark Typhoon
15%inclusion7 decks46 decks
9%synergy
All That Glitters
15%inclusion7 decks46 decks
7%synergy
Teval's Judgment
14%inclusion6 decks43 decks
13%synergy
Court of Cunning
13%inclusion6 decks46 decks
12%synergy
Glasswing Grace
13%inclusion6 decks46 decks
10%synergy
Utter Insignificance
13%inclusion6 decks46 decks
13%synergy
Secrets of the Dead
13%inclusion6 decks46 decks
13%synergy
Black Market Connections
13%inclusion6 decks46 decks
-2%synergy
Phyrexian Arena
13%inclusion6 decks46 decks
-1%synergy
Tinybones Joins Up
11%inclusion5 decks46 decks
10%synergy
Planeswalkers
Ashiok, Dream Render
6.5%inclusion3 decks46 decks
5%synergy
Utility Lands
Hall of Heliod's Generosity
65%inclusion30 decks46 decks
52%synergy
Bojuka Bog
41%inclusion19 decks46 decks
15%synergy
Cephalid Coliseum
20%inclusion9 decks46 decks
16%synergy
Otawara, Soaring City
20%inclusion9 decks46 decks
1%synergy
Takenuma, Abandoned Mire
17%inclusion8 decks46 decks
11%synergy
Eiganjo, Seat of the Empire
11%inclusion5 decks46 decks
6%synergy
Reliquary Tower
8.7%inclusion4 decks46 decks
-25%synergy
Rogue's Passage
8.7%inclusion4 decks46 decks
-1%synergy
Urza's Saga
6.5%inclusion3 decks46 decks
-5%synergy
Nephalia Drownyard
6.5%inclusion3 decks46 decks
6%synergy
Geier Reach Sanitarium
6.5%inclusion3 decks46 decks
2%synergy
Temple of the False God
6.5%inclusion3 decks46 decks
-1%synergy
Mana Artifacts
Sol Ring
83%inclusion38 decks46 decks
-7%synergy
Arcane Signet
80%inclusion37 decks46 decks
-7%synergy
Talisman of Progress
59%inclusion27 decks46 decks
14%synergy
Talisman of Hierarchy
52%inclusion24 decks46 decks
7%synergy
Talisman of Dominance
50%inclusion23 decks46 decks
-0%synergy
Azorius Signet
35%inclusion16 decks46 decks
5%synergy
Orzhov Signet
33%inclusion15 decks46 decks
1%synergy
Fellwar Stone
30%inclusion14 decks46 decks
-3%synergy
Dimir Signet
24%inclusion11 decks46 decks
-6%synergy
Mind Stone
8.7%inclusion4 decks46 decks
-3%synergy
Chromatic Lantern
6.5%inclusion3 decks46 decks
-6%synergy
Lands
Command Tower
100%inclusion46 decks46 decks
7%synergy
Swamp
93%inclusion43 decks46 decks
2%synergy
Island
93%inclusion43 decks46 decks
0%synergy
Plains
93%inclusion43 decks46 decks
1%synergy
Caves of Koilos
67%inclusion31 decks46 decks
32%synergy
Adarkar Wastes
65%inclusion30 decks46 decks
33%synergy
Exotic Orchard
63%inclusion29 decks46 decks
4%synergy
Underground River
61%inclusion28 decks46 decks
26%synergy
Hallowed Fountain
61%inclusion28 decks46 decks
10%synergy
Watery Grave
61%inclusion28 decks46 decks
10%synergy
Godless Shrine
57%inclusion26 decks46 decks
5%synergy
Flooded Strand
54%inclusion25 decks46 decks
16%synergy
Undercity Sewers
52%inclusion24 decks46 decks
37%synergy
Polluted Delta
52%inclusion24 decks46 decks
14%synergy
Meticulous Archive
50%inclusion23 decks46 decks
36%synergy
Arcane Sanctum
48%inclusion22 decks46 decks
-6%synergy
Shadowy Backstreet
43%inclusion20 decks46 decks
31%synergy
Isolated Chapel
43%inclusion20 decks46 decks
1%synergy
Marsh Flats
43%inclusion20 decks46 decks
8%synergy
Vault of Champions
39%inclusion18 decks46 decks
7%synergy
Prairie Stream
37%inclusion17 decks46 decks
-4%synergy
Sea of Clouds
37%inclusion17 decks46 decks
2%synergy
Drowned Catacomb
37%inclusion17 decks46 decks
-1%synergy
Deserted Beach
37%inclusion17 decks46 decks
16%synergy
Glacial Fortress
35%inclusion16 decks46 decks
-9%synergy
Morphic Pool
35%inclusion16 decks46 decks
1%synergy
Sunken Hollow
35%inclusion16 decks46 decks
-5%synergy
Shipwreck Marsh
33%inclusion15 decks46 decks
12%synergy
Floodfarm Verge
33%inclusion15 decks46 decks
22%synergy
Raffine's Tower
30%inclusion14 decks46 decks
-10%synergy
Evolving Wilds
30%inclusion14 decks46 decks
6%synergy
Gloomlake Verge
30%inclusion14 decks46 decks
20%synergy
Terramorphic Expanse
28%inclusion13 decks46 decks
13%synergy
Contaminated Landscape
24%inclusion11 decks46 decks
10%synergy
Underground Sea
24%inclusion11 decks46 decks
8%synergy
Valgavoth's Lair
24%inclusion11 decks46 decks
21%synergy
Scrubland
24%inclusion11 decks46 decks
8%synergy
Tundra
22%inclusion10 decks46 decks
6%synergy
Misty Rainforest
22%inclusion10 decks46 decks
11%synergy
Ash Barrens
22%inclusion10 decks46 decks
11%synergy
Obscura Storefront
22%inclusion10 decks46 decks
13%synergy
Temple of Silence
22%inclusion10 decks46 decks
4%synergy
Azorius Chancery
20%inclusion9 decks46 decks
6%synergy
Windswept Heath
20%inclusion9 decks46 decks
10%synergy
Temple of Deceit
20%inclusion9 decks46 decks
3%synergy
Temple of Enlightenment
20%inclusion9 decks46 decks
4%synergy
City of Brass
20%inclusion9 decks46 decks
4%synergy
Fetid Heath
17%inclusion8 decks46 decks
4%synergy
Tainted Field
17%inclusion8 decks46 decks
10%synergy
Skycloud Expanse
17%inclusion8 decks46 decks
2%synergy
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