The Master of Keys (Commander) - Expensive Core

The Master of Keys
Rank #303
45decks
As CommanderAs CardAverage DeckDecksView Precon
Bracket
All12345
Budget
Any$$$$
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Bilbo, Thief in the Night
22%inclusion2 decks9 decks
22%synergy
High Synergy Cards
Ripples of Undeath
73%inclusion33 decks45 decks
71%synergy
Inquisitive Glimmer
67%inclusion30 decks45 decks
60%synergy
Animate Dead
69%inclusion31 decks45 decks
59%synergy
Entity Tracker
64%inclusion29 decks45 decks
58%synergy
Hall of Heliod's Generosity
71%inclusion32 decks45 decks
58%synergy
Necromancy
62%inclusion28 decks45 decks
58%synergy
Gravebreaker Lamia
53%inclusion24 decks45 decks
52%synergy
Starfield of Nyx
56%inclusion25 decks45 decks
52%synergy
Mesa Enchantress
60%inclusion27 decks45 decks
51%synergy
Demon of Fate's Design
56%inclusion25 decks45 decks
50%synergy
Top Cards
Grasp of Fate
56%inclusion25 decks45 decks
49%synergy
Starfield Mystic
53%inclusion24 decks45 decks
47%synergy
Sevinne's Reclamation
49%inclusion22 decks45 decks
40%synergy
Overlord of the Floodpits
49%inclusion22 decks45 decks
45%synergy
Mirrormade
49%inclusion22 decks45 decks
39%synergy
Cacophony Unleashed
47%inclusion21 decks45 decks
45%synergy
Fear of Impostors
47%inclusion21 decks45 decks
45%synergy
Overlord of the Balemurk
47%inclusion21 decks45 decks
45%synergy
Dress Down
47%inclusion21 decks45 decks
44%synergy
Ondu Spiritdancer
47%inclusion21 decks45 decks
41%synergy
Game Changers
Notion Thief
6.7%inclusion3 decks45 decks
0%synergy
Creatures
Doomwake Giant
44%inclusion20 decks45 decks
39%synergy
Fear of Sleep Paralysis
42%inclusion19 decks45 decks
37%synergy
Zur, Eternal Schemer
42%inclusion19 decks45 decks
39%synergy
Scrabbling Skullcrab
40%inclusion18 decks45 decks
39%synergy
Victor, Valgavoth's Seneschal
33%inclusion15 decks45 decks
31%synergy
Grim Guardian
31%inclusion14 decks45 decks
29%synergy
Heliod, the Radiant Dawn
31%inclusion14 decks45 decks
28%synergy
Silent Hallcreeper
27%inclusion12 decks45 decks
22%synergy
Enduring Curiosity
27%inclusion12 decks45 decks
19%synergy
Summon: Yojimbo
26%inclusion8 decks31 decks
25%synergy
Archon of Sun's Grace
22%inclusion10 decks45 decks
18%synergy
Soaring Lightbringer
22%inclusion10 decks45 decks
18%synergy
Ghostly Dancers
22%inclusion10 decks45 decks
20%synergy
Zur the Enchanter
22%inclusion10 decks45 decks
17%synergy
Sage of Mysteries
20%inclusion9 decks45 decks
20%synergy
Overlord of the Mistmoors
20%inclusion9 decks45 decks
18%synergy
Witch Enchanter
18%inclusion8 decks45 decks
11%synergy
Eiganjo Dynastorian
17%inclusion2 decks12 decks
15%synergy
Lotho, Corrupt Shirriff
16%inclusion7 decks45 decks
-1%synergy
Hedron Crab
16%inclusion7 decks45 decks
15%synergy
Moon-Blessed Cleric
16%inclusion7 decks45 decks
11%synergy
Alseid of Life's Bounty
16%inclusion7 decks45 decks
14%synergy
Sun Titan
13%inclusion6 decks45 decks
5%synergy
Aminatou, Veil Piercer
13%inclusion6 decks45 decks
12%synergy
Balemurk Leech
13%inclusion6 decks45 decks
13%synergy
Metamorphosis Fanatic
11%inclusion5 decks45 decks
7%synergy
Doom Whisperer
11%inclusion5 decks45 decks
10%synergy
Esper Sentinel
11%inclusion5 decks45 decks
-16%synergy
Skullsnap Nuisance
11%inclusion5 decks45 decks
11%synergy
Valgavoth, Terror Eater
11%inclusion5 decks45 decks
8%synergy
Ledger Shredder
11%inclusion5 decks45 decks
2%synergy
Mindwrack Harpy
11%inclusion5 decks45 decks
11%synergy
Millikin
11%inclusion5 decks45 decks
10%synergy
Athreos, Shroud-Veiled
11%inclusion5 decks45 decks
7%synergy
Ancient Cellarspawn
11%inclusion5 decks45 decks
8%synergy
Grand Abolisher
11%inclusion5 decks45 decks
-3%synergy
Summon: Valefor
10%inclusion3 decks31 decks
9%synergy
Summon: Knights of Round
10%inclusion3 decks31 decks
7%synergy
Summon: Bahamut
10%inclusion3 decks31 decks
8%synergy
Summon: Ixion
10%inclusion3 decks31 decks
10%synergy
Jadzi, Steward of Fate
9.1%inclusion1 decks11 decks
9%synergy
Emeritus of Truce
9.1%inclusion1 decks11 decks
8%synergy
Enduring Innocence
8.9%inclusion4 decks45 decks
7%synergy
Deranged Assistant
8.9%inclusion4 decks45 decks
9%synergy
Abdel Adrian, Gorion's Ward
8.9%inclusion4 decks45 decks
7%synergy
Spirited Companion
8.9%inclusion4 decks45 decks
7%synergy
Archetype of Imagination
8.9%inclusion4 decks45 decks
4%synergy
Auramancer
8.9%inclusion4 decks45 decks
6%synergy
Emeritus of Ideation
8.3%inclusion1 decks12 decks
7%synergy
Grave Researcher
8.3%inclusion1 decks12 decks
6%synergy
Instants
Swords to Plowshares
40%inclusion18 decks45 decks
-28%synergy
An Offer You Can't Refuse
29%inclusion13 decks45 decks
1%synergy
Swan Song
27%inclusion12 decks45 decks
7%synergy
Arcane Denial
27%inclusion12 decks45 decks
6%synergy
Counterspell
27%inclusion12 decks45 decks
-15%synergy
Entomb
24%inclusion11 decks45 decks
18%synergy
Path to Exile
24%inclusion11 decks45 decks
-18%synergy
Dark Ritual
22%inclusion10 decks45 decks
2%synergy
Fell the Profane
20%inclusion9 decks45 decks
11%synergy
Frantic Search
20%inclusion9 decks45 decks
1%synergy
Dovin's Veto
16%inclusion7 decks45 decks
-11%synergy
Sink into Stupor
16%inclusion7 decks45 decks
2%synergy
Mana Drain
13%inclusion6 decks45 decks
-4%synergy
Void Rend
11%inclusion5 decks45 decks
-24%synergy
Inkshield
11%inclusion5 decks45 decks
1%synergy
Dawn's Truce
8.9%inclusion4 decks45 decks
4%synergy
Thirst for Meaning
8.9%inclusion4 decks45 decks
7%synergy
Silence
8.9%inclusion4 decks45 decks
-1%synergy
Slip Out the Back
8.9%inclusion4 decks45 decks
8%synergy
Otherworldly Gaze
8.9%inclusion4 decks45 decks
7%synergy
Brainstorm
6.7%inclusion3 decks45 decks
-10%synergy
Thought Scour
6.7%inclusion3 decks45 decks
6%synergy
Force of Negation
6.7%inclusion3 decks45 decks
-5%synergy
Anguished Unmaking
6.7%inclusion3 decks45 decks
-19%synergy
Sejiri Shelter
6.7%inclusion3 decks45 decks
5%synergy
Generous Gift
6.7%inclusion3 decks45 decks
-7%synergy
Sorceries
Redress Fate
36%inclusion16 decks45 decks
30%synergy
Windfall
33%inclusion15 decks45 decks
20%synergy
Reanimate
31%inclusion14 decks45 decks
15%synergy
Replenish
22%inclusion10 decks45 decks
21%synergy
Toxic Deluge
18%inclusion8 decks45 decks
-2%synergy
Damn
18%inclusion8 decks45 decks
-2%synergy
Dance of the Manse
18%inclusion8 decks45 decks
15%synergy
Space-Time Anomaly
12%inclusion3 decks25 decks
10%synergy
Resurgent Belief
11%inclusion5 decks45 decks
9%synergy
Glimpse the Unthinkable
11%inclusion5 decks45 decks
11%synergy
Idyllic Tutor
11%inclusion5 decks45 decks
7%synergy
Extinguish All Hope
11%inclusion5 decks45 decks
10%synergy
Decorum Dissertation
9.1%inclusion1 decks11 decks
5%synergy
Dread Return
8.9%inclusion4 decks45 decks
6%synergy
Traumatize
8.9%inclusion4 decks45 decks
8%synergy
Singularity Rupture
8.0%inclusion2 decks25 decks
6%synergy
Stock Up
7.7%inclusion3 decks39 decks
5%synergy
Ponder
6.7%inclusion3 decks45 decks
-2%synergy
Supreme Verdict
6.7%inclusion3 decks45 decks
-8%synergy
Open the Vaults
6.7%inclusion3 decks45 decks
5%synergy
Cut Your Losses
6.7%inclusion3 decks45 decks
6%synergy
Approach of the Second Sun
6.7%inclusion3 decks45 decks
3%synergy
Breach the Multiverse
6.7%inclusion3 decks45 decks
5%synergy
Brilliant Restoration
6.7%inclusion3 decks45 decks
5%synergy
Utility Artifacts
Mesmeric Orb
27%inclusion12 decks45 decks
26%synergy
Cloud Key
16%inclusion7 decks45 decks
12%synergy
Lightning Greaves
13%inclusion6 decks45 decks
-9%synergy
Whip of Erebos
8.9%inclusion4 decks45 decks
7%synergy
Swiftfoot Boots
6.7%inclusion3 decks45 decks
-17%synergy
Enchantments
Mystic Remora
44%inclusion20 decks45 decks
24%synergy
Propaganda
44%inclusion20 decks45 decks
15%synergy
Secret Arcade // Dusty Parlor
42%inclusion19 decks45 decks
38%synergy
Estrid's Invocation
42%inclusion19 decks45 decks
38%synergy
Seal of Cleansing
42%inclusion19 decks45 decks
41%synergy
Cemetery Tampering
40%inclusion18 decks45 decks
39%synergy
Ghostly Prison
40%inclusion18 decks45 decks
17%synergy
Sphere of Safety
38%inclusion17 decks45 decks
28%synergy
Dance of the Dead
36%inclusion16 decks45 decks
33%synergy
Darksteel Mutation
33%inclusion15 decks45 decks
27%synergy
Amphibian Downpour
33%inclusion15 decks45 decks
29%synergy
Sheltered by Ghosts
33%inclusion15 decks45 decks
31%synergy
Sigil of the Empty Throne
31%inclusion14 decks45 decks
25%synergy
Hallowed Haunting
31%inclusion14 decks45 decks
29%synergy
Black Market Connections
31%inclusion14 decks45 decks
16%synergy
Greater Auramancy
31%inclusion14 decks45 decks
27%synergy
Stillness in Motion
30%inclusion10 decks33 decks
30%synergy
Copy Enchantment
29%inclusion13 decks45 decks
24%synergy
Out of the Tombs
27%inclusion12 decks45 decks
26%synergy
Monologue Tax
27%inclusion12 decks45 decks
20%synergy
Polluted Cistern // Dim Oubliette
27%inclusion12 decks45 decks
26%synergy
Mirror Room // Fractured Realm
27%inclusion12 decks45 decks
25%synergy
The Meathook Massacre
24%inclusion11 decks45 decks
21%synergy
Blind Obedience
24%inclusion11 decks45 decks
13%synergy
Teval's Judgment
24%inclusion8 decks33 decks
23%synergy
Imprisoned in the Moon
20%inclusion9 decks45 decks
13%synergy
Shark Typhoon
20%inclusion9 decks45 decks
14%synergy
Solitary Confinement
18%inclusion8 decks45 decks
16%synergy
Secrets of the Dead
18%inclusion8 decks45 decks
17%synergy
Extravagant Replication
16%inclusion7 decks45 decks
11%synergy
Touch the Spirit Realm
16%inclusion7 decks45 decks
13%synergy
Central Elevator // Promising Stairs
16%inclusion7 decks45 decks
15%synergy
Restricted Office // Lecture Hall
16%inclusion7 decks45 decks
14%synergy
Aura of Silence
16%inclusion7 decks45 decks
12%synergy
Trouble in Pairs
16%inclusion7 decks45 decks
10%synergy
Defiled Crypt // Cadaver Lab
16%inclusion7 decks45 decks
15%synergy
Cramped Vents // Access Maze
13%inclusion6 decks45 decks
11%synergy
Glasswing Grace
13%inclusion6 decks45 decks
11%synergy
The Tale of Tamiyo
13%inclusion6 decks45 decks
13%synergy
Funeral Room // Awakening Hall
13%inclusion6 decks45 decks
12%synergy
Land Tax
13%inclusion6 decks45 decks
7%synergy
Phyrexian Arena
13%inclusion6 decks45 decks
-1%synergy
Seal of Removal
13%inclusion6 decks45 decks
13%synergy
Underwater Tunnel // Slimy Aquarium
11%inclusion5 decks45 decks
11%synergy
The Eldest Reborn
11%inclusion5 decks45 decks
9%synergy
Leyline of Anticipation
11%inclusion5 decks45 decks
7%synergy
Court of Vantress
11%inclusion5 decks45 decks
9%synergy
All That Glitters
11%inclusion5 decks45 decks
3%synergy
Oubliette
11%inclusion5 decks45 decks
10%synergy
Nowhere to Run
11%inclusion5 decks45 decks
10%synergy
Battles
Invasion of Theros
8.9%inclusion4 decks45 decks
7%synergy
Planeswalkers
Jace, Wielder of Mysteries
6.7%inclusion3 decks45 decks
5%synergy
Utility Lands
Otawara, Soaring City
44%inclusion20 decks45 decks
25%synergy
Bojuka Bog
38%inclusion17 decks45 decks
11%synergy
Takenuma, Abandoned Mire
33%inclusion15 decks45 decks
27%synergy
Urborg, Tomb of Yawgmoth
16%inclusion7 decks45 decks
3%synergy
Reliquary Tower
13%inclusion6 decks45 decks
-21%synergy
Cephalid Coliseum
13%inclusion6 decks45 decks
10%synergy
Adagia, Windswept Bastion
12%inclusion3 decks25 decks
10%synergy
Urza's Saga
8.9%inclusion4 decks45 decks
-3%synergy
Ghost Quarter
6.7%inclusion3 decks45 decks
6%synergy
Halimar Depths
6.7%inclusion3 decks45 decks
2%synergy
Rogue's Passage
6.7%inclusion3 decks45 decks
-3%synergy
Mana Artifacts
Arcane Signet
71%inclusion32 decks45 decks
-17%synergy
Sol Ring
69%inclusion31 decks45 decks
-21%synergy
Talisman of Dominance
47%inclusion21 decks45 decks
-3%synergy
Talisman of Hierarchy
40%inclusion18 decks45 decks
-5%synergy
Talisman of Progress
38%inclusion17 decks45 decks
-7%synergy
Fellwar Stone
24%inclusion11 decks45 decks
-9%synergy
Orzhov Signet
24%inclusion11 decks45 decks
-7%synergy
Azorius Signet
22%inclusion10 decks45 decks
-7%synergy
Dimir Signet
20%inclusion9 decks45 decks
-10%synergy
Lotus Petal
6.7%inclusion3 decks45 decks
-4%synergy
Mind Stone
6.7%inclusion3 decks45 decks
-5%synergy
Lands
Command Tower
96%inclusion43 decks45 decks
3%synergy
Plains
96%inclusion43 decks45 decks
4%synergy
Island
96%inclusion43 decks45 decks
2%synergy
Swamp
89%inclusion40 decks45 decks
-3%synergy
Watery Grave
87%inclusion39 decks45 decks
35%synergy
Hallowed Fountain
87%inclusion39 decks45 decks
36%synergy
Polluted Delta
84%inclusion38 decks45 decks
46%synergy
Flooded Strand
84%inclusion38 decks45 decks
46%synergy
Godless Shrine
82%inclusion37 decks45 decks
30%synergy
Marsh Flats
82%inclusion37 decks45 decks
46%synergy
Raffine's Tower
71%inclusion32 decks45 decks
30%synergy
Shadowy Backstreet
69%inclusion31 decks45 decks
56%synergy
Morphic Pool
69%inclusion31 decks45 decks
35%synergy
Meticulous Archive
69%inclusion31 decks45 decks
55%synergy
Undercity Sewers
67%inclusion30 decks45 decks
52%synergy
Sea of Clouds
67%inclusion30 decks45 decks
32%synergy
Vault of Champions
67%inclusion30 decks45 decks
34%synergy
Adarkar Wastes
53%inclusion24 decks45 decks
21%synergy
Caves of Koilos
47%inclusion21 decks45 decks
11%synergy
Underground River
47%inclusion21 decks45 decks
12%synergy
Exotic Orchard
42%inclusion19 decks45 decks
-17%synergy
Drowned Catacomb
42%inclusion19 decks45 decks
4%synergy
Isolated Chapel
40%inclusion18 decks45 decks
-2%synergy
Glacial Fortress
38%inclusion17 decks45 decks
-6%synergy
Arcane Sanctum
38%inclusion17 decks45 decks
-16%synergy
Gloomlake Verge
36%inclusion16 decks45 decks
25%synergy
Bleachbone Verge
33%inclusion13 decks39 decks
25%synergy
Shipwreck Marsh
33%inclusion15 decks45 decks
13%synergy
Floodfarm Verge
33%inclusion15 decks45 decks
22%synergy
Tundra
31%inclusion14 decks45 decks
15%synergy
Scrubland
31%inclusion14 decks45 decks
15%synergy
Underground Sea
29%inclusion13 decks45 decks
13%synergy
Valgavoth's Lair
29%inclusion13 decks45 decks
26%synergy
Deserted Beach
29%inclusion13 decks45 decks
8%synergy
Bloodstained Mire
27%inclusion12 decks45 decks
16%synergy
Misty Rainforest
22%inclusion10 decks45 decks
12%synergy
Verdant Catacombs
22%inclusion10 decks45 decks
13%synergy
Arid Mesa
22%inclusion10 decks45 decks
13%synergy
Shattered Sanctum
22%inclusion10 decks45 decks
5%synergy
Fell the Profane
20%inclusion9 decks45 decks
11%synergy
Windswept Heath
20%inclusion9 decks45 decks
11%synergy
Scalding Tarn
20%inclusion9 decks45 decks
9%synergy
Sunken Hollow
20%inclusion9 decks45 decks
-20%synergy
Witch Enchanter
18%inclusion8 decks45 decks
11%synergy
Azorius Chancery
16%inclusion7 decks45 decks
2%synergy
Dimir Aqueduct
16%inclusion7 decks45 decks
3%synergy
Sink into Stupor
16%inclusion7 decks45 decks
2%synergy
Glasswing Grace
13%inclusion6 decks45 decks
11%synergy
Prairie Stream
13%inclusion6 decks45 decks
-27%synergy
Orzhov Basilica
13%inclusion6 decks45 decks
-1%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test