The Master of Keys (Commander) - Expensive Core

The Master of Keys
Rank #314
37decks
As CommanderAs CardAverage DeckDecksView Precon
Bracket
All12345
Budget
Any$$$$
Background image for What if Thassa's Oracle Were Banned?
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
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Ripples of Undeath
76%inclusion28 decks37 decks
73%synergy
Entity Tracker
70%inclusion26 decks37 decks
64%synergy
Animate Dead
73%inclusion27 decks37 decks
63%synergy
Necromancy
68%inclusion25 decks37 decks
63%synergy
Inquisitive Glimmer
68%inclusion25 decks37 decks
60%synergy
Hall of Heliod's Generosity
73%inclusion27 decks37 decks
60%synergy
Grasp of Fate
65%inclusion24 decks37 decks
59%synergy
Mesa Enchantress
62%inclusion23 decks37 decks
53%synergy
Gravebreaker Lamia
51%inclusion19 decks37 decks
50%synergy
Overlord of the Balemurk
51%inclusion19 decks37 decks
49%synergy
Top Cards
Mystic Remora
51%inclusion19 decks37 decks
30%synergy
Dress Down
51%inclusion19 decks37 decks
49%synergy
Demon of Fate's Design
51%inclusion19 decks37 decks
46%synergy
Ghostly Prison
51%inclusion19 decks37 decks
30%synergy
Overlord of the Floodpits
51%inclusion19 decks37 decks
48%synergy
Fear of Impostors
49%inclusion18 decks37 decks
47%synergy
Mirrormade
49%inclusion18 decks37 decks
39%synergy
Starfield of Nyx
49%inclusion18 decks37 decks
45%synergy
Propaganda
49%inclusion18 decks37 decks
22%synergy
Sevinne's Reclamation
46%inclusion17 decks37 decks
37%synergy
Game Changers
Thassa's Oracle
8.1%inclusion3 decks37 decks
-2%synergy
Necropotence
8.1%inclusion3 decks37 decks
1%synergy
Notion Thief
8.1%inclusion3 decks37 decks
1%synergy
Narset, Parter of Veils
5.4%inclusion2 decks37 decks
1%synergy
Cyclonic Rift
5.4%inclusion2 decks37 decks
-19%synergy
Teferi's Protection
5.4%inclusion2 decks37 decks
-11%synergy
Demonic Tutor
5.4%inclusion2 decks37 decks
-16%synergy
Enlightened Tutor
5.4%inclusion2 decks37 decks
-15%synergy
Creatures
Starfield Mystic
46%inclusion17 decks37 decks
39%synergy
Zur, Eternal Schemer
46%inclusion17 decks37 decks
43%synergy
Scrabbling Skullcrab
43%inclusion16 decks37 decks
42%synergy
Ondu Spiritdancer
41%inclusion15 decks37 decks
34%synergy
Fear of Sleep Paralysis
41%inclusion15 decks37 decks
35%synergy
Doomwake Giant
38%inclusion14 decks37 decks
32%synergy
Heliod, the Radiant Dawn
38%inclusion14 decks37 decks
34%synergy
Victor, Valgavoth's Seneschal
35%inclusion13 decks37 decks
33%synergy
Enduring Curiosity
32%inclusion12 decks37 decks
25%synergy
Grim Guardian
32%inclusion12 decks37 decks
30%synergy
Zur the Enchanter
24%inclusion9 decks37 decks
19%synergy
Summon: Yojimbo
23%inclusion5 decks22 decks
22%synergy
Silent Hallcreeper
22%inclusion8 decks37 decks
17%synergy
Ghostly Dancers
22%inclusion8 decks37 decks
19%synergy
Lotho, Corrupt Shirriff
22%inclusion8 decks37 decks
5%synergy
Sage of Mysteries
19%inclusion7 decks37 decks
19%synergy
Moon-Blessed Cleric
19%inclusion7 decks37 decks
14%synergy
Witch Enchanter
19%inclusion7 decks37 decks
12%synergy
Archon of Sun's Grace
19%inclusion7 decks37 decks
14%synergy
Overlord of the Mistmoors
16%inclusion6 decks37 decks
14%synergy
Balemurk Leech
16%inclusion6 decks37 decks
16%synergy
Aminatou, Veil Piercer
14%inclusion5 decks37 decks
12%synergy
Alseid of Life's Bounty
14%inclusion5 decks37 decks
12%synergy
Soaring Lightbringer
14%inclusion5 decks37 decks
9%synergy
Ledger Shredder
14%inclusion5 decks37 decks
5%synergy
Esper Sentinel
14%inclusion5 decks37 decks
-14%synergy
Sun Titan
14%inclusion5 decks37 decks
5%synergy
Abdel Adrian, Gorion's Ward
14%inclusion5 decks37 decks
12%synergy
Astelli Reclaimer
13%inclusion2 decks16 decks
12%synergy
Skullsnap Nuisance
11%inclusion4 decks37 decks
10%synergy
Grand Abolisher
11%inclusion4 decks37 decks
-4%synergy
Valgavoth, Terror Eater
11%inclusion4 decks37 decks
7%synergy
Boggart Trawler
11%inclusion4 decks37 decks
8%synergy
Mindwrack Harpy
11%inclusion4 decks37 decks
11%synergy
Spirited Companion
11%inclusion4 decks37 decks
9%synergy
Summon: Anima
9.1%inclusion2 decks22 decks
9%synergy
Laboratory Maniac
8.1%inclusion3 decks37 decks
5%synergy
Loran of the Third Path
8.1%inclusion3 decks37 decks
5%synergy
Ancient Cellarspawn
8.1%inclusion3 decks37 decks
5%synergy
Auramancer
8.1%inclusion3 decks37 decks
5%synergy
Nashi, Searcher in the Dark
8.1%inclusion3 decks37 decks
8%synergy
Lurrus of the Dream-Den
8.1%inclusion3 decks37 decks
6%synergy
Valley Floodcaller
8.1%inclusion3 decks37 decks
4%synergy
Doom Whisperer
8.1%inclusion3 decks37 decks
7%synergy
Hedron Crab
8.1%inclusion3 decks37 decks
8%synergy
Archetype of Imagination
8.1%inclusion3 decks37 decks
3%synergy
Umbral Collar Zealot
6.3%inclusion1 decks16 decks
5%synergy
High Fae Trickster
5.7%inclusion2 decks35 decks
1%synergy
Metamorphosis Fanatic
5.4%inclusion2 decks37 decks
1%synergy
Claim Jumper
5.4%inclusion2 decks37 decks
4%synergy
Instants
Swords to Plowshares
41%inclusion15 decks37 decks
-28%synergy
An Offer You Can't Refuse
38%inclusion14 decks37 decks
11%synergy
Entomb
32%inclusion12 decks37 decks
26%synergy
Counterspell
32%inclusion12 decks37 decks
-9%synergy
Swan Song
30%inclusion11 decks37 decks
10%synergy
Path to Exile
27%inclusion10 decks37 decks
-15%synergy
Fell the Profane
22%inclusion8 decks37 decks
13%synergy
Arcane Denial
22%inclusion8 decks37 decks
1%synergy
Dark Ritual
19%inclusion7 decks37 decks
0%synergy
Dovin's Veto
16%inclusion6 decks37 decks
-9%synergy
Void Rend
16%inclusion6 decks37 decks
-18%synergy
Sink into Stupor
16%inclusion6 decks37 decks
4%synergy
Mana Drain
14%inclusion5 decks37 decks
-4%synergy
Inkshield
14%inclusion5 decks37 decks
4%synergy
Frantic Search
14%inclusion5 decks37 decks
-4%synergy
Thought Scour
11%inclusion4 decks37 decks
10%synergy
Fact or Fiction
11%inclusion4 decks37 decks
7%synergy
Thirst for Meaning
11%inclusion4 decks37 decks
9%synergy
Slip Out the Back
8.1%inclusion3 decks37 decks
7%synergy
Generous Gift
8.1%inclusion3 decks37 decks
-7%synergy
Brainstorm
8.1%inclusion3 decks37 decks
-9%synergy
Dawn's Truce
8.1%inclusion3 decks37 decks
4%synergy
Silence
8.1%inclusion3 decks37 decks
-2%synergy
Anguished Unmaking
8.1%inclusion3 decks37 decks
-17%synergy
Otherworldly Gaze
8.1%inclusion3 decks37 decks
6%synergy
Consult the Star Charts
6.3%inclusion1 decks16 decks
5%synergy
Negate
5.4%inclusion2 decks37 decks
-11%synergy
Flusterstorm
5.4%inclusion2 decks37 decks
-3%synergy
Into the Flood Maw
5.4%inclusion2 decks37 decks
2%synergy
Snap
5.4%inclusion2 decks37 decks
4%synergy
Mindbreak Trap
5.4%inclusion2 decks37 decks
-2%synergy
Angel's Grace
5.4%inclusion2 decks37 decks
3%synergy
Force of Negation
5.4%inclusion2 decks37 decks
-7%synergy
Ephemerate
5.4%inclusion2 decks37 decks
1%synergy
Simulacrum
5.4%inclusion2 decks37 decks
5%synergy
Sejiri Shelter
5.4%inclusion2 decks37 decks
4%synergy
Survive the Night
5.4%inclusion2 decks37 decks
5%synergy
Sorceries
Redress Fate
41%inclusion15 decks37 decks
35%synergy
Reanimate
35%inclusion13 decks37 decks
19%synergy
Windfall
30%inclusion11 decks37 decks
16%synergy
Dance of the Manse
27%inclusion10 decks37 decks
23%synergy
Toxic Deluge
27%inclusion10 decks37 decks
7%synergy
Damn
19%inclusion7 decks37 decks
-2%synergy
Replenish
16%inclusion6 decks37 decks
14%synergy
Space-Time Anomaly
13%inclusion2 decks16 decks
11%synergy
Supreme Verdict
11%inclusion4 decks37 decks
-4%synergy
Extinguish All Hope
11%inclusion4 decks37 decks
9%synergy
Resurgent Belief
8.1%inclusion3 decks37 decks
6%synergy
Approach of the Second Sun
8.1%inclusion3 decks37 decks
4%synergy
Breach the Multiverse
8.1%inclusion3 decks37 decks
6%synergy
Stock Up
6.5%inclusion2 decks31 decks
5%synergy
Ponder
5.4%inclusion2 decks37 decks
-4%synergy
Lively Dirge
5.4%inclusion2 decks37 decks
4%synergy
Unmarked Grave
5.4%inclusion2 decks37 decks
4%synergy
Glimpse the Unthinkable
5.4%inclusion2 decks37 decks
5%synergy
Idyllic Tutor
5.4%inclusion2 decks37 decks
1%synergy
Haunting Misery
5.4%inclusion2 decks37 decks
5%synergy
Damnation
5.4%inclusion2 decks37 decks
3%synergy
Incarnation Technique
5.4%inclusion2 decks37 decks
5%synergy
Identity Crisis
5.4%inclusion2 decks37 decks
5%synergy
Victimize
5.4%inclusion2 decks37 decks
-3%synergy
Cut Your Losses
5.4%inclusion2 decks37 decks
5%synergy
Ghostform
5.4%inclusion2 decks37 decks
5%synergy
Open the Vaults
5.4%inclusion2 decks37 decks
4%synergy
Brilliant Restoration
5.4%inclusion2 decks37 decks
3%synergy
Traumatize
5.4%inclusion2 decks37 decks
5%synergy
Utility Artifacts
Mesmeric Orb
30%inclusion11 decks37 decks
29%synergy
Lightning Greaves
14%inclusion5 decks37 decks
-9%synergy
Cloud Key
14%inclusion5 decks37 decks
10%synergy
Whip of Erebos
8.1%inclusion3 decks37 decks
6%synergy
Perpetual Timepiece
5.4%inclusion2 decks37 decks
5%synergy
Orazca Puzzle-Door
5.4%inclusion2 decks37 decks
5%synergy
Rishadan Pawnshop
5.4%inclusion2 decks37 decks
5%synergy
Swiftfoot Boots
5.4%inclusion2 decks37 decks
-18%synergy
Archaeomancer's Map
5.4%inclusion2 decks37 decks
0%synergy
Palantír of Orthanc
5.4%inclusion2 decks37 decks
4%synergy
Cellar Door
5.4%inclusion2 decks37 decks
5%synergy
The Book of Vile Darkness
5.4%inclusion2 decks37 decks
5%synergy
The Book of Exalted Deeds
5.4%inclusion2 decks37 decks
5%synergy
Crucible of Worlds
5.4%inclusion2 decks37 decks
4%synergy
Book of Rass
5.4%inclusion2 decks37 decks
5%synergy
Altar of the Brood
5.4%inclusion2 decks37 decks
4%synergy
Enchantments
Secret Arcade // Dusty Parlor
46%inclusion17 decks37 decks
41%synergy
Seal of Cleansing
43%inclusion16 decks37 decks
42%synergy
Cacophony Unleashed
43%inclusion16 decks37 decks
42%synergy
Cemetery Tampering
41%inclusion15 decks37 decks
40%synergy
Dance of the Dead
38%inclusion14 decks37 decks
36%synergy
Sphere of Safety
38%inclusion14 decks37 decks
28%synergy
Black Market Connections
38%inclusion14 decks37 decks
24%synergy
Amphibian Downpour
35%inclusion13 decks37 decks
31%synergy
Hallowed Haunting
35%inclusion13 decks37 decks
33%synergy
Estrid's Invocation
32%inclusion12 decks37 decks
28%synergy
Monologue Tax
32%inclusion12 decks37 decks
26%synergy
Blind Obedience
32%inclusion12 decks37 decks
20%synergy
Polluted Cistern // Dim Oubliette
32%inclusion12 decks37 decks
32%synergy
Greater Auramancy
32%inclusion12 decks37 decks
28%synergy
Darksteel Mutation
30%inclusion11 decks37 decks
23%synergy
The Meathook Massacre
30%inclusion11 decks37 decks
26%synergy
Out of the Tombs
30%inclusion11 decks37 decks
29%synergy
Sigil of the Empty Throne
30%inclusion11 decks37 decks
24%synergy
Sheltered by Ghosts
30%inclusion11 decks37 decks
27%synergy
Teval's Judgment
27%inclusion7 decks26 decks
26%synergy
Stillness in Motion
27%inclusion7 decks26 decks
27%synergy
Copy Enchantment
24%inclusion9 decks37 decks
20%synergy
Secrets of the Dead
24%inclusion9 decks37 decks
24%synergy
Imprisoned in the Moon
24%inclusion9 decks37 decks
18%synergy
Mirror Room // Fractured Realm
24%inclusion9 decks37 decks
22%synergy
Shark Typhoon
19%inclusion7 decks37 decks
13%synergy
The Tale of Tamiyo
19%inclusion7 decks37 decks
18%synergy
Aura of Silence
19%inclusion7 decks37 decks
16%synergy
Defiled Crypt // Cadaver Lab
16%inclusion6 decks37 decks
15%synergy
Touch the Spirit Realm
16%inclusion6 decks37 decks
14%synergy
Central Elevator // Promising Stairs
16%inclusion6 decks37 decks
16%synergy
Leyline of Anticipation
16%inclusion6 decks37 decks
12%synergy
Restricted Office // Lecture Hall
16%inclusion6 decks37 decks
14%synergy
Seal of Removal
16%inclusion6 decks37 decks
16%synergy
Trouble in Pairs
16%inclusion6 decks37 decks
11%synergy
Nowhere to Run
16%inclusion6 decks37 decks
15%synergy
Phyrexian Arena
16%inclusion6 decks37 decks
2%synergy
Oubliette
14%inclusion5 decks37 decks
12%synergy
Land Tax
14%inclusion5 decks37 decks
7%synergy
Authority of the Consuls
14%inclusion5 decks37 decks
2%synergy
Static Prison
14%inclusion5 decks37 decks
13%synergy
Court of Ardenvale
14%inclusion5 decks37 decks
13%synergy
Cramped Vents // Access Maze
11%inclusion4 decks37 decks
8%synergy
Underwater Tunnel // Slimy Aquarium
11%inclusion4 decks37 decks
10%synergy
Bloodchief Ascension
11%inclusion4 decks37 decks
5%synergy
Extravagant Replication
11%inclusion4 decks37 decks
6%synergy
Eaten by Piranhas
11%inclusion4 decks37 decks
9%synergy
Court of Cunning
11%inclusion4 decks37 decks
10%synergy
Funeral Room // Awakening Hall
11%inclusion4 decks37 decks
10%synergy
All That Glitters
11%inclusion4 decks37 decks
2%synergy
Battles
Invasion of Theros
11%inclusion4 decks37 decks
9%synergy
Planeswalkers
Jace, Wielder of Mysteries
8.1%inclusion3 decks37 decks
6%synergy
Jace, the Perfected Mind
5.4%inclusion2 decks37 decks
5%synergy
Teferi, Time Raveler
5.4%inclusion2 decks37 decks
-3%synergy
Utility Lands
Bojuka Bog
43%inclusion16 decks37 decks
16%synergy
Otawara, Soaring City
43%inclusion16 decks37 decks
24%synergy
Takenuma, Abandoned Mire
32%inclusion12 decks37 decks
26%synergy
Adagia, Windswept Bastion
25%inclusion4 decks16 decks
22%synergy
Reliquary Tower
22%inclusion8 decks37 decks
-12%synergy
Urborg, Tomb of Yawgmoth
19%inclusion7 decks37 decks
6%synergy
Cephalid Coliseum
16%inclusion6 decks37 decks
13%synergy
Urza's Saga
11%inclusion4 decks37 decks
-1%synergy
Ghost Quarter
8.1%inclusion3 decks37 decks
7%synergy
Halimar Depths
8.1%inclusion3 decks37 decks
3%synergy
Maze of Ith
8.1%inclusion3 decks37 decks
5%synergy
Phyrexian Tower
5.4%inclusion2 decks37 decks
2%synergy
War Room
5.4%inclusion2 decks37 decks
5%synergy
Drownyard Temple
5.4%inclusion2 decks37 decks
5%synergy
Homeward Path
5.4%inclusion2 decks37 decks
5%synergy
Restless Reef
5.4%inclusion2 decks37 decks
4%synergy
Mana Artifacts
Sol Ring
73%inclusion27 decks37 decks
-17%synergy
Arcane Signet
70%inclusion26 decks37 decks
-18%synergy
Talisman of Dominance
51%inclusion19 decks37 decks
2%synergy
Talisman of Hierarchy
46%inclusion17 decks37 decks
2%synergy
Talisman of Progress
43%inclusion16 decks37 decks
0%synergy
Fellwar Stone
27%inclusion10 decks37 decks
-7%synergy
Orzhov Signet
24%inclusion9 decks37 decks
-10%synergy
Azorius Signet
24%inclusion9 decks37 decks
-8%synergy
Dimir Signet
22%inclusion8 decks37 decks
-11%synergy
Lotus Petal
5.4%inclusion2 decks37 decks
-5%synergy
Thran Dynamo
5.4%inclusion2 decks37 decks
2%synergy
Lands
Command Tower
97%inclusion36 decks37 decks
5%synergy
Plains
97%inclusion36 decks37 decks
6%synergy
Island
95%inclusion35 decks37 decks
2%synergy
Swamp
89%inclusion33 decks37 decks
-2%synergy
Flooded Strand
86%inclusion32 decks37 decks
48%synergy
Polluted Delta
84%inclusion31 decks37 decks
46%synergy
Hallowed Fountain
84%inclusion31 decks37 decks
35%synergy
Marsh Flats
81%inclusion30 decks37 decks
45%synergy
Watery Grave
81%inclusion30 decks37 decks
31%synergy
Godless Shrine
78%inclusion29 decks37 decks
28%synergy
Shadowy Backstreet
73%inclusion27 decks37 decks
61%synergy
Raffine's Tower
70%inclusion26 decks37 decks
29%synergy
Meticulous Archive
68%inclusion25 decks37 decks
54%synergy
Undercity Sewers
68%inclusion25 decks37 decks
53%synergy
Morphic Pool
65%inclusion24 decks37 decks
30%synergy
Sea of Clouds
62%inclusion23 decks37 decks
26%synergy
Vault of Champions
59%inclusion22 decks37 decks
27%synergy
Adarkar Wastes
49%inclusion18 decks37 decks
18%synergy
Caves of Koilos
46%inclusion17 decks37 decks
10%synergy
Exotic Orchard
46%inclusion17 decks37 decks
-13%synergy
Underground River
43%inclusion16 decks37 decks
10%synergy
Drowned Catacomb
38%inclusion14 decks37 decks
2%synergy
Glacial Fortress
35%inclusion13 decks37 decks
-5%synergy
Valgavoth's Lair
35%inclusion13 decks37 decks
32%synergy
Shipwreck Marsh
35%inclusion13 decks37 decks
14%synergy
Tundra
32%inclusion12 decks37 decks
16%synergy
Isolated Chapel
32%inclusion12 decks37 decks
-6%synergy
Gloomlake Verge
32%inclusion12 decks37 decks
21%synergy
Arcane Sanctum
32%inclusion12 decks37 decks
-22%synergy
Scrubland
32%inclusion12 decks37 decks
16%synergy
Deserted Beach
30%inclusion11 decks37 decks
9%synergy
Floodfarm Verge
30%inclusion11 decks37 decks
19%synergy
Underground Sea
30%inclusion11 decks37 decks
14%synergy
Bloodstained Mire
27%inclusion10 decks37 decks
16%synergy
Misty Rainforest
27%inclusion10 decks37 decks
16%synergy
Bleachbone Verge
26%inclusion8 decks31 decks
17%synergy
Verdant Catacombs
24%inclusion9 decks37 decks
14%synergy
Windswept Heath
22%inclusion8 decks37 decks
12%synergy
Arid Mesa
22%inclusion8 decks37 decks
12%synergy
Shattered Sanctum
22%inclusion8 decks37 decks
6%synergy
Fell the Profane
22%inclusion8 decks37 decks
13%synergy
Scalding Tarn
22%inclusion8 decks37 decks
10%synergy
Azorius Chancery
19%inclusion7 decks37 decks
5%synergy
Dimir Aqueduct
19%inclusion7 decks37 decks
5%synergy
Witch Enchanter
19%inclusion7 decks37 decks
12%synergy
Sunken Hollow
19%inclusion7 decks37 decks
-21%synergy
Sink into Stupor
16%inclusion6 decks37 decks
4%synergy
City of Brass
16%inclusion6 decks37 decks
1%synergy
Prairie Stream
16%inclusion6 decks37 decks
-24%synergy
Orzhov Basilica
16%inclusion6 decks37 decks
0%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