The Master of Keys (Commander) - Voltron

The Master of Keys
Rank #295
40decks
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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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Moxfield
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Top Cards
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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
Back to Top
Gleaming Splendor
13%inclusion1 decks8 decks
4%synergy
High Synergy Cards
Ethereal Armor
80%inclusion32 decks40 decks
76%synergy
All That Glitters
80%inclusion32 decks40 decks
72%synergy
Inquisitive Glimmer
70%inclusion28 decks40 decks
63%synergy
Ripples of Undeath
65%inclusion26 decks40 decks
62%synergy
Starfield Mystic
68%inclusion27 decks40 decks
61%synergy
Mesa Enchantress
65%inclusion26 decks40 decks
56%synergy
Entity Tracker
57%inclusion23 decks40 decks
52%synergy
Mantle of the Ancients
48%inclusion19 decks40 decks
45%synergy
Doomwake Giant
50%inclusion20 decks40 decks
44%synergy
Animate Dead
53%inclusion21 decks40 decks
43%synergy
Top Cards
Sphere of Safety
48%inclusion19 decks40 decks
38%synergy
Mystic Remora
48%inclusion19 decks40 decks
27%synergy
Ghostly Prison
45%inclusion18 decks40 decks
22%synergy
Swords to Plowshares
43%inclusion17 decks40 decks
-25%synergy
Sheltered by Ghosts
43%inclusion17 decks40 decks
40%synergy
Propaganda
43%inclusion17 decks40 decks
13%synergy
Steel of the Godhead
40%inclusion16 decks40 decks
36%synergy
Dress Down
40%inclusion16 decks40 decks
38%synergy
Scrabbling Skullcrab
40%inclusion16 decks40 decks
39%synergy
Daybreak Coronet
38%inclusion15 decks40 decks
36%synergy
Game Changers
Smothering Tithe
30%inclusion12 decks40 decks
0%synergy
Rhystic Study
23%inclusion9 decks40 decks
-8%synergy
Ancient Tomb
13%inclusion5 decks40 decks
0%synergy
Enlightened Tutor
13%inclusion5 decks40 decks
-6%synergy
Gifts Ungiven
10%inclusion4 decks40 decks
7%synergy
Fierce Guardianship
10%inclusion4 decks40 decks
-10%synergy
Cyclonic Rift
10%inclusion4 decks40 decks
-12%synergy
Teferi's Protection
7.5%inclusion3 decks40 decks
-8%synergy
Demonic Tutor
7.5%inclusion3 decks40 decks
-12%synergy
Necropotence
7.5%inclusion3 decks40 decks
1%synergy
Creatures
Gravebreaker Lamia
38%inclusion15 decks40 decks
36%synergy
Fear of Impostors
35%inclusion14 decks40 decks
34%synergy
Victor, Valgavoth's Seneschal
35%inclusion14 decks40 decks
33%synergy
Demon of Fate's Design
30%inclusion12 decks40 decks
25%synergy
Zur, Eternal Schemer
30%inclusion12 decks40 decks
27%synergy
Ondu Spiritdancer
30%inclusion12 decks40 decks
24%synergy
Zur the Enchanter
30%inclusion12 decks40 decks
25%synergy
Fear of Sleep Paralysis
25%inclusion10 decks40 decks
20%synergy
Moon-Blessed Cleric
23%inclusion9 decks40 decks
18%synergy
Overlord of the Floodpits
18%inclusion7 decks40 decks
14%synergy
Overlord of the Balemurk
18%inclusion7 decks40 decks
16%synergy
Pearl-Ear, Imperial Advisor
18%inclusion7 decks40 decks
16%synergy
Grim Guardian
18%inclusion7 decks40 decks
15%synergy
Sage of Mysteries
15%inclusion6 decks40 decks
15%synergy
Skullsnap Nuisance
15%inclusion6 decks40 decks
15%synergy
Aminatou, Veil Piercer
15%inclusion6 decks40 decks
14%synergy
Ghostly Dancers
15%inclusion6 decks40 decks
13%synergy
Grand Abolisher
15%inclusion6 decks40 decks
0%synergy
Alseid of Life's Bounty
15%inclusion6 decks40 decks
14%synergy
Bruna, Light of Alabaster
15%inclusion6 decks40 decks
14%synergy
Summon: Yojimbo
14%inclusion3 decks22 decks
13%synergy
Witch Enchanter
13%inclusion5 decks40 decks
5%synergy
Esper Sentinel
13%inclusion5 decks40 decks
-15%synergy
Silent Hallcreeper
13%inclusion5 decks40 decks
8%synergy
Hedron Crab
13%inclusion5 decks40 decks
12%synergy
Sram, Senior Edificer
13%inclusion5 decks40 decks
8%synergy
Heliod, the Radiant Dawn
13%inclusion5 decks40 decks
9%synergy
Starnheim Courser
10%inclusion4 decks40 decks
7%synergy
Heliod's Pilgrim
10%inclusion4 decks40 decks
9%synergy
Kor Spiritdancer
10%inclusion4 decks40 decks
9%synergy
Eidolon of Countless Battles
10%inclusion4 decks40 decks
9%synergy
Boggart Trawler
10%inclusion4 decks40 decks
7%synergy
Athreos, Shroud-Veiled
10%inclusion4 decks40 decks
6%synergy
Enduring Curiosity
10%inclusion4 decks40 decks
2%synergy
Deranged Assistant
10%inclusion4 decks40 decks
10%synergy
Nashi, Searcher in the Dark
10%inclusion4 decks40 decks
9%synergy
Sun Titan
10%inclusion4 decks40 decks
2%synergy
Abdel Adrian, Gorion's Ward
10%inclusion4 decks40 decks
8%synergy
Likeness Looter
10%inclusion4 decks40 decks
3%synergy
Killian, Ink Duelist
10%inclusion4 decks40 decks
8%synergy
Mindwrack Harpy
10%inclusion4 decks40 decks
10%synergy
Millikin
10%inclusion4 decks40 decks
9%synergy
Optimistic Scavenger
7.5%inclusion3 decks40 decks
7%synergy
Stenn, Paranoid Partisan
7.5%inclusion3 decks40 decks
6%synergy
Displacer Kitten
7.5%inclusion3 decks40 decks
1%synergy
Light-Paws, Emperor's Voice
7.5%inclusion3 decks40 decks
7%synergy
Eidolon of Rhetoric
7.5%inclusion3 decks40 decks
6%synergy
Agent of Erebos
7.5%inclusion3 decks40 decks
7%synergy
Arna Kennerüd, Skycaptain
7.5%inclusion3 decks40 decks
6%synergy
Doom Whisperer
7.5%inclusion3 decks40 decks
6%synergy
Instants
Otherworldly Gaze
38%inclusion15 decks40 decks
35%synergy
Frantic Search
33%inclusion13 decks40 decks
13%synergy
Counterspell
30%inclusion12 decks40 decks
-12%synergy
Path to Exile
28%inclusion11 decks40 decks
-15%synergy
Thirst for Meaning
25%inclusion10 decks40 decks
24%synergy
Entomb
23%inclusion9 decks40 decks
16%synergy
Fell the Profane
20%inclusion8 decks40 decks
11%synergy
Dovin's Veto
15%inclusion6 decks40 decks
-12%synergy
An Offer You Can't Refuse
15%inclusion6 decks40 decks
-13%synergy
Dark Ritual
15%inclusion6 decks40 decks
-6%synergy
Swan Song
15%inclusion6 decks40 decks
-5%synergy
Arcane Denial
15%inclusion6 decks40 decks
-5%synergy
Sink into Stupor
15%inclusion6 decks40 decks
2%synergy
Negate
10%inclusion4 decks40 decks
-6%synergy
Utter End
10%inclusion4 decks40 decks
4%synergy
Generous Gift
10%inclusion4 decks40 decks
-4%synergy
Hagra Mauling
7.5%inclusion3 decks40 decks
6%synergy
Dawn's Truce
7.5%inclusion3 decks40 decks
3%synergy
Consider
7.5%inclusion3 decks40 decks
5%synergy
Cabal Ritual
7.5%inclusion3 decks40 decks
4%synergy
Razorgrass Ambush
7.5%inclusion3 decks40 decks
7%synergy
Darkblast
7.5%inclusion3 decks40 decks
7%synergy
Void Rend
7.5%inclusion3 decks40 decks
-28%synergy
Slip Out the Back
7.5%inclusion3 decks40 decks
7%synergy
Faithful Mending
7.5%inclusion3 decks40 decks
4%synergy
Borne Upon a Wind
7.5%inclusion3 decks40 decks
3%synergy
Waterlogged Teachings
7.5%inclusion3 decks40 decks
3%synergy
Don't Make a Sound
5.1%inclusion2 decks39 decks
5%synergy
Muddle the Mixture
5.0%inclusion2 decks40 decks
1%synergy
Brainstorm
5.0%inclusion2 decks40 decks
-12%synergy
Fact or Fiction
5.0%inclusion2 decks40 decks
2%synergy
Alchemist's Retrieval
5.0%inclusion2 decks40 decks
5%synergy
Disallow
5.0%inclusion2 decks40 decks
1%synergy
Silence
5.0%inclusion2 decks40 decks
-5%synergy
Tale's End
5.0%inclusion2 decks40 decks
4%synergy
Jwari Disruption
5.0%inclusion2 decks40 decks
4%synergy
Force of Will
5.0%inclusion2 decks40 decks
-7%synergy
Force of Negation
5.0%inclusion2 decks40 decks
-7%synergy
Anguished Unmaking
5.0%inclusion2 decks40 decks
-21%synergy
Mana Leak
5.0%inclusion2 decks40 decks
3%synergy
Sejiri Shelter
5.0%inclusion2 decks40 decks
3%synergy
Inkshield
5.0%inclusion2 decks40 decks
-5%synergy
Vampiric Tutor
5.0%inclusion2 decks40 decks
-11%synergy
Pact of Negation
5.0%inclusion2 decks40 decks
-2%synergy
Sorceries
Sevinne's Reclamation
35%inclusion14 decks40 decks
26%synergy
Redress Fate
25%inclusion10 decks40 decks
20%synergy
Glimpse the Unthinkable
23%inclusion9 decks40 decks
22%synergy
Extinguish All Hope
23%inclusion9 decks40 decks
21%synergy
Windfall
18%inclusion7 decks40 decks
5%synergy
Reanimate
13%inclusion5 decks40 decks
-4%synergy
Resurgent Belief
10%inclusion4 decks40 decks
8%synergy
Time Wipe
10%inclusion4 decks40 decks
4%synergy
Idyllic Tutor
10%inclusion4 decks40 decks
6%synergy
Toxic Deluge
10%inclusion4 decks40 decks
-10%synergy
Retether
10%inclusion4 decks40 decks
9%synergy
Singularity Rupture
9.1%inclusion2 decks22 decks
7%synergy
Space-Time Anomaly
9.1%inclusion2 decks22 decks
8%synergy
Supreme Verdict
7.5%inclusion3 decks40 decks
-7%synergy
Sea Gate Restoration
7.5%inclusion3 decks40 decks
5%synergy
Stargaze
7.5%inclusion3 decks40 decks
7%synergy
Traumatize
7.5%inclusion3 decks40 decks
7%synergy
Lively Dirge
5.0%inclusion2 decks40 decks
4%synergy
Open the Vaults
5.0%inclusion2 decks40 decks
4%synergy
Split Up
5.0%inclusion2 decks40 decks
4%synergy
Open the Armory
5.0%inclusion2 decks40 decks
1%synergy
Replenish
5.0%inclusion2 decks40 decks
3%synergy
Buried Alive
5.0%inclusion2 decks40 decks
1%synergy
Winds of Rath
5.0%inclusion2 decks40 decks
3%synergy
Damn
5.0%inclusion2 decks40 decks
-15%synergy
Beseech the Mirror
5.0%inclusion2 decks40 decks
1%synergy
Unburial Rites
5.0%inclusion2 decks40 decks
2%synergy
Dance of the Manse
5.0%inclusion2 decks40 decks
2%synergy
Emerge from the Cocoon
5.0%inclusion2 decks40 decks
5%synergy
Utility Artifacts
Mesmeric Orb
25%inclusion10 decks40 decks
24%synergy
Swiftfoot Boots
23%inclusion9 decks40 decks
-2%synergy
Perpetual Timepiece
15%inclusion6 decks40 decks
15%synergy
Wayfarer's Bauble
10%inclusion4 decks40 decks
3%synergy
Helm of the Gods
7.5%inclusion3 decks40 decks
7%synergy
Palantír of Orthanc
7.5%inclusion3 decks40 decks
6%synergy
Sensei's Divining Top
5.0%inclusion2 decks40 decks
-4%synergy
Elixir of Immortality
5.0%inclusion2 decks40 decks
4%synergy
The Grim Captain's Locker
5.0%inclusion2 decks40 decks
5%synergy
Cloud Key
5.0%inclusion2 decks40 decks
2%synergy
The One Ring
5.0%inclusion2 decks40 decks
-7%synergy
Whip of Erebos
5.0%inclusion2 decks40 decks
3%synergy
Keys to the House
5.0%inclusion2 decks40 decks
5%synergy
Wishclaw Talisman
5.0%inclusion2 decks40 decks
-2%synergy
Darksteel Plate
5.0%inclusion2 decks40 decks
4%synergy
Lightning Greaves
5.0%inclusion2 decks40 decks
-18%synergy
Codex Shredder
5.0%inclusion2 decks40 decks
5%synergy
Enchantments
Amphibian Downpour
38%inclusion15 decks40 decks
33%synergy
Timely Ward
38%inclusion15 decks40 decks
33%synergy
Cemetery Tampering
38%inclusion15 decks40 decks
37%synergy
Aqueous Form
35%inclusion14 decks40 decks
32%synergy
Seal of Cleansing
35%inclusion14 decks40 decks
34%synergy
Sage's Reverie
33%inclusion13 decks40 decks
31%synergy
Mirrormade
33%inclusion13 decks40 decks
23%synergy
Combat Research
33%inclusion13 decks40 decks
30%synergy
Spirit Mantle
30%inclusion12 decks40 decks
29%synergy
Grasp of Fate
30%inclusion12 decks40 decks
24%synergy
Monologue Tax
28%inclusion11 decks40 decks
21%synergy
Necromancy
28%inclusion11 decks40 decks
23%synergy
Auramancer's Guise
28%inclusion11 decks40 decks
27%synergy
Curator's Ward
25%inclusion10 decks40 decks
23%synergy
Black Market Connections
25%inclusion10 decks40 decks
10%synergy
Authority of the Consuls
25%inclusion10 decks40 decks
11%synergy
Kaya's Ghostform
25%inclusion10 decks40 decks
23%synergy
Super State
23%inclusion5 decks22 decks
21%synergy
Copy Enchantment
23%inclusion9 decks40 decks
18%synergy
Idolized
23%inclusion9 decks40 decks
22%synergy
Sigil of the Empty Throne
23%inclusion9 decks40 decks
17%synergy
Cacophony Unleashed
23%inclusion9 decks40 decks
21%synergy
Secret Arcade // Dusty Parlor
20%inclusion8 decks40 decks
16%synergy
Leyline of Anticipation
20%inclusion8 decks40 decks
16%synergy
Starfield of Nyx
20%inclusion8 decks40 decks
16%synergy
Blind Obedience
20%inclusion8 decks40 decks
8%synergy
Extravagant Replication
20%inclusion8 decks40 decks
15%synergy
Court of Cunning
20%inclusion8 decks40 decks
19%synergy
Eldrazi Conscription
20%inclusion8 decks40 decks
19%synergy
Security Bypass
20%inclusion8 decks40 decks
20%synergy
Darksteel Mutation
20%inclusion8 decks40 decks
14%synergy
Teval's Judgment
19%inclusion5 decks26 decks
18%synergy
Estrid's Invocation
18%inclusion7 decks40 decks
13%synergy
Search for Azcanta
18%inclusion7 decks40 decks
17%synergy
Imprisoned in the Moon
18%inclusion7 decks40 decks
11%synergy
Dance of the Dead
18%inclusion7 decks40 decks
15%synergy
Seal of Removal
18%inclusion7 decks40 decks
17%synergy
Tempest Technique
15%inclusion4 decks26 decks
15%synergy
Stillness in Motion
15%inclusion4 decks26 decks
15%synergy
Land Tax
15%inclusion6 decks40 decks
9%synergy
Solitary Confinement
15%inclusion6 decks40 decks
13%synergy
Phyresis
15%inclusion6 decks40 decks
13%synergy
Eaten by Piranhas
15%inclusion6 decks40 decks
14%synergy
Shardmage's Rescue
15%inclusion6 decks40 decks
15%synergy
Glasswing Grace
15%inclusion6 decks40 decks
12%synergy
Greater Auramancy
15%inclusion6 decks40 decks
11%synergy
Changing Loyalty
13%inclusion2 decks15 decks
12%synergy
Out of the Tombs
13%inclusion5 decks40 decks
12%synergy
Detention Sphere
13%inclusion5 decks40 decks
12%synergy
One with the Multiverse
13%inclusion5 decks40 decks
8%synergy
Battles
Invasion of Theros
7.5%inclusion3 decks40 decks
6%synergy
Utility Lands
Hall of Heliod's Generosity
38%inclusion15 decks40 decks
25%synergy
Bojuka Bog
30%inclusion12 decks40 decks
3%synergy
Otawara, Soaring City
18%inclusion7 decks40 decks
-2%synergy
Ishgard, the Holy See
14%inclusion3 decks22 decks
10%synergy
Command Beacon
13%inclusion5 decks40 decks
10%synergy
Reliquary Tower
10%inclusion4 decks40 decks
-24%synergy
Cephalid Coliseum
10%inclusion4 decks40 decks
6%synergy
Temple of the False God
10%inclusion4 decks40 decks
2%synergy
Rogue's Passage
10%inclusion4 decks40 decks
0%synergy
Adagia, Windswept Bastion
9.1%inclusion2 decks22 decks
7%synergy
Urza's Saga
7.5%inclusion3 decks40 decks
-4%synergy
Emergence Zone
7.5%inclusion3 decks40 decks
6%synergy
Takenuma, Abandoned Mire
7.5%inclusion3 decks40 decks
1%synergy
Serra's Sanctum
5.0%inclusion2 decks40 decks
3%synergy
Geier Reach Sanitarium
5.0%inclusion2 decks40 decks
1%synergy
Hidden Cataract
5.0%inclusion2 decks40 decks
5%synergy
Tocasia's Dig Site
5.0%inclusion2 decks40 decks
5%synergy
Mana Artifacts
Arcane Signet
93%inclusion37 decks40 decks
5%synergy
Sol Ring
80%inclusion32 decks40 decks
-10%synergy
Talisman of Dominance
57%inclusion23 decks40 decks
7%synergy
Talisman of Progress
48%inclusion19 decks40 decks
3%synergy
Talisman of Hierarchy
43%inclusion17 decks40 decks
-3%synergy
Azorius Signet
38%inclusion15 decks40 decks
9%synergy
Mind Stone
35%inclusion14 decks40 decks
23%synergy
Fellwar Stone
33%inclusion13 decks40 decks
-0%synergy
Orzhov Signet
33%inclusion13 decks40 decks
2%synergy
Dimir Signet
23%inclusion9 decks40 decks
-7%synergy
Commander's Sphere
10%inclusion4 decks40 decks
-7%synergy
Chromatic Lantern
10%inclusion4 decks40 decks
-2%synergy
Ring of the Lucii
9.1%inclusion2 decks22 decks
8%synergy
Thought Vessel
7.5%inclusion3 decks40 decks
-18%synergy
Thran Dynamo
7.5%inclusion3 decks40 decks
4%synergy
Lotus Petal
5.0%inclusion2 decks40 decks
-5%synergy
Mana Vault
5.0%inclusion2 decks40 decks
-3%synergy
Worn Powerstone
5.0%inclusion2 decks40 decks
3%synergy
Mox Opal
5.0%inclusion2 decks40 decks
-3%synergy
Chrome Mox
5.0%inclusion2 decks40 decks
-4%synergy
Lands
Command Tower
98%inclusion39 decks40 decks
5%synergy
Swamp
93%inclusion37 decks40 decks
1%synergy
Island
93%inclusion37 decks40 decks
-1%synergy
Plains
93%inclusion37 decks40 decks
0%synergy
Arcane Sanctum
57%inclusion23 decks40 decks
4%synergy
Godless Shrine
55%inclusion22 decks40 decks
3%synergy
Underground River
55%inclusion22 decks40 decks
19%synergy
Hallowed Fountain
55%inclusion22 decks40 decks
4%synergy
Caves of Koilos
53%inclusion21 decks40 decks
16%synergy
Isolated Chapel
53%inclusion21 decks40 decks
10%synergy
Drowned Catacomb
50%inclusion20 decks40 decks
11%synergy
Adarkar Wastes
50%inclusion20 decks40 decks
17%synergy
Watery Grave
50%inclusion20 decks40 decks
-2%synergy
Glacial Fortress
48%inclusion19 decks40 decks
3%synergy
Flooded Strand
43%inclusion17 decks40 decks
4%synergy
Undercity Sewers
40%inclusion16 decks40 decks
25%synergy
Exotic Orchard
40%inclusion16 decks40 decks
-19%synergy
Raffine's Tower
40%inclusion16 decks40 decks
-1%synergy
Meticulous Archive
40%inclusion16 decks40 decks
26%synergy
Vault of Champions
38%inclusion15 decks40 decks
5%synergy
Prairie Stream
35%inclusion14 decks40 decks
-6%synergy
Sunken Hollow
35%inclusion14 decks40 decks
-5%synergy
Marsh Flats
35%inclusion14 decks40 decks
-1%synergy
Polluted Delta
35%inclusion14 decks40 decks
-3%synergy
Terramorphic Expanse
33%inclusion13 decks40 decks
17%synergy
Shadowy Backstreet
33%inclusion13 decks40 decks
20%synergy
Sea of Clouds
33%inclusion13 decks40 decks
-2%synergy
Evolving Wilds
30%inclusion12 decks40 decks
6%synergy
Morphic Pool
30%inclusion12 decks40 decks
-4%synergy
Obscura Storefront
30%inclusion12 decks40 decks
21%synergy
Contaminated Landscape
28%inclusion11 decks40 decks
14%synergy
Valgavoth's Lair
28%inclusion11 decks40 decks
25%synergy
Shipwreck Marsh
23%inclusion9 decks40 decks
2%synergy
Fell the Profane
20%inclusion8 decks40 decks
11%synergy
Port Town
18%inclusion7 decks40 decks
0%synergy
Ash Barrens
18%inclusion7 decks40 decks
7%synergy
Path of Ancestry
18%inclusion7 decks40 decks
-11%synergy
Deserted Beach
18%inclusion7 decks40 decks
-3%synergy
Glasswing Grace
15%inclusion6 decks40 decks
12%synergy
Fetid Heath
15%inclusion6 decks40 decks
1%synergy
Darkwater Catacombs
15%inclusion6 decks40 decks
0%synergy
Temple of Enlightenment
15%inclusion6 decks40 decks
-0%synergy
Sink into Stupor
15%inclusion6 decks40 decks
2%synergy
Shattered Sanctum
15%inclusion6 decks40 decks
-3%synergy
Floodfarm Verge
15%inclusion6 decks40 decks
4%synergy
Tainted Isle
13%inclusion5 decks40 decks
6%synergy
Witch Enchanter
13%inclusion5 decks40 decks
5%synergy
Fabled Passage
13%inclusion5 decks40 decks
4%synergy
Azorius Chancery
13%inclusion5 decks40 decks
-0%synergy
Temple of Deceit
13%inclusion5 decks40 decks
-4%synergy
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