The Master of Keys (Commander) - Core Reanimator

Harvey McGuinness
Sep 23, 2025
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
Super Intelligence
25%inclusion1 decks4 decks
25%synergy
Bilbo, Thief in the Night
20%inclusion1 decks5 decks
20%synergy
High Synergy Cards
Inquisitive Glimmer
84%inclusion27 decks32 decks
77%synergy
Entity Tracker
75%inclusion24 decks32 decks
69%synergy
Starfield Mystic
69%inclusion22 decks32 decks
62%synergy
Cemetery Tampering
63%inclusion20 decks32 decks
62%synergy
Gravebreaker Lamia
63%inclusion20 decks32 decks
61%synergy
Fear of Impostors
63%inclusion20 decks32 decks
61%synergy
Seal of Cleansing
63%inclusion20 decks32 decks
61%synergy
Doomwake Giant
66%inclusion21 decks32 decks
60%synergy
Ripples of Undeath
63%inclusion20 decks32 decks
60%synergy
Scrabbling Skullcrab
59%inclusion19 decks32 decks
58%synergy
Top Cards
Mesa Enchantress
66%inclusion21 decks32 decks
57%synergy
Demon of Fate's Design
56%inclusion18 decks32 decks
51%synergy
Necromancy
56%inclusion18 decks32 decks
52%synergy
Animate Dead
56%inclusion18 decks32 decks
47%synergy
Grasp of Fate
53%inclusion17 decks32 decks
47%synergy
Sevinne's Reclamation
50%inclusion16 decks32 decks
41%synergy
Overlord of the Floodpits
50%inclusion16 decks32 decks
47%synergy
The Tale of Tamiyo
50%inclusion16 decks32 decks
50%synergy
Victor, Valgavoth's Seneschal
47%inclusion15 decks32 decks
45%synergy
Fear of Sleep Paralysis
47%inclusion15 decks32 decks
42%synergy
Creatures
Zur, Eternal Schemer
44%inclusion14 decks32 decks
41%synergy
Overlord of the Balemurk
41%inclusion13 decks32 decks
39%synergy
Heliod, the Radiant Dawn
41%inclusion13 decks32 decks
37%synergy
Grim Guardian
34%inclusion11 decks32 decks
32%synergy
Silent Hallcreeper
31%inclusion10 decks32 decks
27%synergy
Ondu Spiritdancer
31%inclusion10 decks32 decks
25%synergy
Enduring Curiosity
28%inclusion9 decks32 decks
20%synergy
Sage of Mysteries
25%inclusion8 decks32 decks
25%synergy
Soaring Lightbringer
25%inclusion8 decks32 decks
21%synergy
Alseid of Life's Bounty
25%inclusion8 decks32 decks
24%synergy
Mindwrack Harpy
25%inclusion8 decks32 decks
25%synergy
Overlord of the Mistmoors
22%inclusion7 decks32 decks
20%synergy
Skullsnap Nuisance
22%inclusion7 decks32 decks
21%synergy
Spirited Companion
22%inclusion7 decks32 decks
20%synergy
Aminatou, Veil Piercer
22%inclusion7 decks32 decks
21%synergy
Archetype of Imagination
19%inclusion6 decks32 decks
14%synergy
Ghostly Dancers
19%inclusion6 decks32 decks
16%synergy
Summon: Yojimbo
19%inclusion5 decks27 decks
17%synergy
Fear of Surveillance
16%inclusion5 decks32 decks
15%synergy
Athreos, Shroud-Veiled
16%inclusion5 decks32 decks
11%synergy
Appendage Amalgam
16%inclusion5 decks32 decks
15%synergy
Nashi, Searcher in the Dark
16%inclusion5 decks32 decks
15%synergy
Grave Researcher
14%inclusion1 decks7 decks
12%synergy
Eiganjo Dynastorian
14%inclusion1 decks7 decks
13%synergy
Jadzi, Steward of Fate
14%inclusion1 decks7 decks
14%synergy
Starnheim Courser
13%inclusion4 decks32 decks
9%synergy
Archon of Sun's Grace
13%inclusion4 decks32 decks
8%synergy
Ashiok's Reaper
13%inclusion4 decks32 decks
12%synergy
Stitcher's Supplier
13%inclusion4 decks32 decks
12%synergy
Balemurk Leech
13%inclusion4 decks32 decks
12%synergy
Ancient Cellarspawn
13%inclusion4 decks32 decks
10%synergy
Zur the Enchanter
13%inclusion4 decks32 decks
8%synergy
Millikin
13%inclusion4 decks32 decks
12%synergy
Summon: Valefor
11%inclusion3 decks27 decks
11%synergy
Stenn, Paranoid Partisan
9.4%inclusion3 decks32 decks
8%synergy
Syr Konrad, the Grim
9.4%inclusion3 decks32 decks
4%synergy
Moon-Blessed Cleric
9.4%inclusion3 decks32 decks
5%synergy
Deranged Assistant
9.4%inclusion3 decks32 decks
9%synergy
Creeping Peeper
9.4%inclusion3 decks32 decks
9%synergy
Valgavoth, Terror Eater
9.4%inclusion3 decks32 decks
6%synergy
Braids, Arisen Nightmare
9.4%inclusion3 decks32 decks
8%synergy
Likeness Looter
9.4%inclusion3 decks32 decks
3%synergy
Callaphe, Beloved of the Sea
9.4%inclusion3 decks32 decks
8%synergy
Emet-Selch of the Third Seat
7.4%inclusion2 decks27 decks
-2%synergy
Jill, Shiva's Dominant
7.4%inclusion2 decks27 decks
7%synergy
Summon: Anima
7.4%inclusion2 decks27 decks
7%synergy
Summon: Knights of Round
7.4%inclusion2 decks27 decks
5%synergy
Summon: Shiva
6.9%inclusion2 decks29 decks
7%synergy
High Fae Trickster
6.7%inclusion2 decks30 decks
2%synergy
Eidolon of Astral Winds
6.7%inclusion2 decks30 decks
7%synergy
Instants
Swords to Plowshares
38%inclusion12 decks32 decks
-30%synergy
Thirst for Meaning
34%inclusion11 decks32 decks
33%synergy
Frantic Search
28%inclusion9 decks32 decks
10%synergy
Otherworldly Gaze
28%inclusion9 decks32 decks
26%synergy
Counterspell
28%inclusion9 decks32 decks
-14%synergy
Path to Exile
22%inclusion7 decks32 decks
-20%synergy
Fell the Profane
19%inclusion6 decks32 decks
10%synergy
Entomb
19%inclusion6 decks32 decks
12%synergy
Arcane Denial
16%inclusion5 decks32 decks
-5%synergy
Sink into Stupor
16%inclusion5 decks32 decks
3%synergy
An Offer You Can't Refuse
13%inclusion4 decks32 decks
-15%synergy
Negate
13%inclusion4 decks32 decks
-4%synergy
Void Rend
13%inclusion4 decks32 decks
-22%synergy
Swan Song
13%inclusion4 decks32 decks
-8%synergy
Anguished Unmaking
13%inclusion4 decks32 decks
-13%synergy
Generous Gift
13%inclusion4 decks32 decks
-1%synergy
Swallowed by Leviathan
13%inclusion3 decks24 decks
12%synergy
Dreams of Laguna
11%inclusion3 decks27 decks
11%synergy
Dovin's Veto
9.4%inclusion3 decks32 decks
-17%synergy
Brainstorm
9.4%inclusion3 decks32 decks
-7%synergy
Faithful Mending
9.4%inclusion3 decks32 decks
6%synergy
Inkshield
9.4%inclusion3 decks32 decks
-1%synergy
Refute
6.7%inclusion2 decks30 decks
4%synergy
Drown in the Loch
6.3%inclusion2 decks32 decks
4%synergy
Absorb
6.3%inclusion2 decks32 decks
4%synergy
Dawn's Truce
6.3%inclusion2 decks32 decks
2%synergy
Fact or Fiction
6.3%inclusion2 decks32 decks
3%synergy
Dark Ritual
6.3%inclusion2 decks32 decks
-14%synergy
Perplex
6.3%inclusion2 decks32 decks
5%synergy
Sejiri Shelter
6.3%inclusion2 decks32 decks
5%synergy
Live or Die
6.3%inclusion2 decks32 decks
6%synergy
Waterlogged Teachings
6.3%inclusion2 decks32 decks
2%synergy
Withering Torment
6.3%inclusion2 decks32 decks
5%synergy
Sorceries
Singularity Rupture
32%inclusion7 decks22 decks
30%synergy
Reanimate
28%inclusion9 decks32 decks
12%synergy
Extinguish All Hope
25%inclusion8 decks32 decks
23%synergy
Redress Fate
25%inclusion8 decks32 decks
20%synergy
Space-Time Anomaly
23%inclusion5 decks22 decks
21%synergy
Dance of the Manse
22%inclusion7 decks32 decks
19%synergy
Resurgent Belief
19%inclusion6 decks32 decks
17%synergy
Glimpse the Unthinkable
19%inclusion6 decks32 decks
18%synergy
Windfall
16%inclusion5 decks32 decks
3%synergy
Time Wipe
13%inclusion4 decks32 decks
6%synergy
Replenish
9.4%inclusion3 decks32 decks
8%synergy
Demonic Counsel
9.4%inclusion3 decks32 decks
8%synergy
Toxic Deluge
9.4%inclusion3 decks32 decks
-10%synergy
Damn
9.4%inclusion3 decks32 decks
-11%synergy
Unburial Rites
9.4%inclusion3 decks32 decks
6%synergy
Stock Up
6.7%inclusion2 decks30 decks
4%synergy
Commune with Evil
6.3%inclusion2 decks32 decks
6%synergy
Austere Command
6.3%inclusion2 decks32 decks
-2%synergy
Asinine Antics
6.3%inclusion2 decks32 decks
6%synergy
Open the Vaults
6.3%inclusion2 decks32 decks
5%synergy
Dread Return
6.3%inclusion2 decks32 decks
4%synergy
Cut Your Losses
6.3%inclusion2 decks32 decks
6%synergy
Agadeem's Awakening
6.3%inclusion2 decks32 decks
4%synergy
Feed the Swarm
6.3%inclusion2 decks32 decks
3%synergy
Treasure Cruise
6.3%inclusion2 decks32 decks
3%synergy
Brilliant Restoration
6.3%inclusion2 decks32 decks
5%synergy
Vanquish the Horde
6.3%inclusion2 decks32 decks
3%synergy
Diresight
6.3%inclusion2 decks32 decks
6%synergy
Rite of the Moth
6.3%inclusion2 decks32 decks
6%synergy
Retether
6.3%inclusion2 decks32 decks
5%synergy
Final Vengeance
6.3%inclusion2 decks32 decks
6%synergy
Traumatize
6.3%inclusion2 decks32 decks
6%synergy
Utility Artifacts
Archaeomancer's Map
13%inclusion4 decks32 decks
7%synergy
Perpetual Timepiece
9.4%inclusion3 decks32 decks
9%synergy
Wayfarer's Bauble
9.4%inclusion3 decks32 decks
2%synergy
Lightning Greaves
9.4%inclusion3 decks32 decks
-13%synergy
Mesmeric Orb
6.3%inclusion2 decks32 decks
5%synergy
Whip of Erebos
6.3%inclusion2 decks32 decks
4%synergy
Keys to the House
6.3%inclusion2 decks32 decks
6%synergy
Claws of Gix
6.3%inclusion2 decks32 decks
6%synergy
Enchantments
Dress Down
47%inclusion15 decks32 decks
45%synergy
Stillness in Motion
46%inclusion13 decks28 decks
46%synergy
Estrid's Invocation
44%inclusion14 decks32 decks
39%synergy
Cacophony Unleashed
41%inclusion13 decks32 decks
39%synergy
Mirrormade
38%inclusion12 decks32 decks
28%synergy
Starfield of Nyx
38%inclusion12 decks32 decks
34%synergy
Amphibian Downpour
38%inclusion12 decks32 decks
33%synergy
Teval's Judgment
32%inclusion9 decks28 decks
31%synergy
Out of the Tombs
31%inclusion10 decks32 decks
31%synergy
Polluted Cistern // Dim Oubliette
31%inclusion10 decks32 decks
31%synergy
Sheltered by Ghosts
31%inclusion10 decks32 decks
29%synergy
Propaganda
31%inclusion10 decks32 decks
2%synergy
Defiled Crypt // Cadaver Lab
31%inclusion10 decks32 decks
31%synergy
Sigil of the Empty Throne
28%inclusion9 decks32 decks
22%synergy
Sphere of Safety
28%inclusion9 decks32 decks
19%synergy
Secret Arcade // Dusty Parlor
28%inclusion9 decks32 decks
24%synergy
Mystic Remora
25%inclusion8 decks32 decks
5%synergy
Secrets of the Dead
25%inclusion8 decks32 decks
25%synergy
Ethereal Armor
25%inclusion8 decks32 decks
20%synergy
Dance of the Dead
22%inclusion7 decks32 decks
20%synergy
Imprisoned in the Moon
22%inclusion7 decks32 decks
15%synergy
All That Glitters
22%inclusion7 decks32 decks
14%synergy
Monologue Tax
22%inclusion7 decks32 decks
15%synergy
Mirror Room // Fractured Realm
22%inclusion7 decks32 decks
20%synergy
Ghostly Prison
22%inclusion7 decks32 decks
-1%synergy
Seal of Removal
22%inclusion7 decks32 decks
21%synergy
Darksteel Mutation
19%inclusion6 decks32 decks
13%synergy
The Meathook Massacre
19%inclusion6 decks32 decks
15%synergy
Shark Typhoon
19%inclusion6 decks32 decks
13%synergy
Central Elevator // Promising Stairs
19%inclusion6 decks32 decks
18%synergy
Static Prison
19%inclusion6 decks32 decks
18%synergy
Nowhere to Run
19%inclusion6 decks32 decks
18%synergy
Hallowed Haunting
19%inclusion6 decks32 decks
16%synergy
Underwater Tunnel // Slimy Aquarium
16%inclusion5 decks32 decks
15%synergy
Glasswing Grace
16%inclusion5 decks32 decks
13%synergy
The Eldest Reborn
16%inclusion5 decks32 decks
13%synergy
Touch the Spirit Realm
16%inclusion5 decks32 decks
13%synergy
Seal of Doom
16%inclusion5 decks32 decks
15%synergy
Timely Ward
16%inclusion5 decks32 decks
11%synergy
Derelict Attic // Widow's Walk
16%inclusion5 decks32 decks
15%synergy
The Restoration of Eiganjo
16%inclusion5 decks32 decks
15%synergy
Restricted Office // Lecture Hall
16%inclusion5 decks32 decks
14%synergy
Oubliette
16%inclusion5 decks32 decks
14%synergy
Search for Azcanta
16%inclusion5 decks32 decks
15%synergy
Lost in the Maze
13%inclusion4 decks32 decks
12%synergy
Unable to Scream
13%inclusion4 decks32 decks
11%synergy
Shardmage's Rescue
13%inclusion4 decks32 decks
12%synergy
Utter Insignificance
13%inclusion4 decks32 decks
12%synergy
Chronic Flooding
13%inclusion4 decks32 decks
12%synergy
Soul Snare
13%inclusion4 decks32 decks
12%synergy
Battles
Invasion of Theros
13%inclusion4 decks32 decks
11%synergy
Utility Lands
Bojuka Bog
53%inclusion17 decks32 decks
26%synergy
Hall of Heliod's Generosity
44%inclusion14 decks32 decks
31%synergy
Takenuma, Abandoned Mire
25%inclusion8 decks32 decks
19%synergy
Otawara, Soaring City
22%inclusion7 decks32 decks
3%synergy
Cephalid Coliseum
16%inclusion5 decks32 decks
12%synergy
Halimar Depths
13%inclusion4 decks32 decks
8%synergy
Reliquary Tower
9.4%inclusion3 decks32 decks
-25%synergy
Urborg, Tomb of Yawgmoth
9.4%inclusion3 decks32 decks
-4%synergy
Adagia, Windswept Bastion
9.1%inclusion2 decks22 decks
7%synergy
Ishgard, the Holy See
7.4%inclusion2 decks27 decks
4%synergy
Urza's Saga
6.3%inclusion2 decks32 decks
-5%synergy
Nephalia Drownyard
6.3%inclusion2 decks32 decks
6%synergy
Drownyard Temple
6.3%inclusion2 decks32 decks
6%synergy
Temple of the False God
6.3%inclusion2 decks32 decks
-2%synergy
Mana Artifacts
Arcane Signet
78%inclusion25 decks32 decks
-10%synergy
Sol Ring
53%inclusion17 decks32 decks
-37%synergy
Talisman of Progress
41%inclusion13 decks32 decks
-4%synergy
Talisman of Hierarchy
41%inclusion13 decks32 decks
-4%synergy
Azorius Signet
41%inclusion13 decks32 decks
11%synergy
Talisman of Dominance
38%inclusion12 decks32 decks
-13%synergy
Dimir Signet
38%inclusion12 decks32 decks
8%synergy
Orzhov Signet
38%inclusion12 decks32 decks
6%synergy
Fellwar Stone
28%inclusion9 decks32 decks
-5%synergy
Commander's Sphere
13%inclusion4 decks32 decks
-5%synergy
Mind Stone
13%inclusion4 decks32 decks
1%synergy
Lands
Command Tower
97%inclusion31 decks32 decks
4%synergy
Plains
97%inclusion31 decks32 decks
5%synergy
Swamp
94%inclusion30 decks32 decks
2%synergy
Island
94%inclusion30 decks32 decks
1%synergy
Exotic Orchard
69%inclusion22 decks32 decks
10%synergy
Arcane Sanctum
63%inclusion20 decks32 decks
9%synergy
Underground River
59%inclusion19 decks32 decks
24%synergy
Adarkar Wastes
59%inclusion19 decks32 decks
27%synergy
Glacial Fortress
56%inclusion18 decks32 decks
13%synergy
Caves of Koilos
56%inclusion18 decks32 decks
20%synergy
Isolated Chapel
56%inclusion18 decks32 decks
14%synergy
Drowned Catacomb
47%inclusion15 decks32 decks
8%synergy
Watery Grave
47%inclusion15 decks32 decks
-4%synergy
Hallowed Fountain
44%inclusion14 decks32 decks
-7%synergy
Godless Shrine
41%inclusion13 decks32 decks
-11%synergy
Contaminated Landscape
38%inclusion12 decks32 decks
24%synergy
Valgavoth's Lair
38%inclusion12 decks32 decks
35%synergy
Evolving Wilds
38%inclusion12 decks32 decks
13%synergy
Undercity Sewers
34%inclusion11 decks32 decks
20%synergy
Prairie Stream
34%inclusion11 decks32 decks
-6%synergy
Meticulous Archive
34%inclusion11 decks32 decks
20%synergy
Terramorphic Expanse
31%inclusion10 decks32 decks
16%synergy
Morphic Pool
31%inclusion10 decks32 decks
-2%synergy
Temple of Silence
31%inclusion10 decks32 decks
13%synergy
Polluted Delta
31%inclusion10 decks32 decks
-7%synergy
Flooded Strand
31%inclusion10 decks32 decks
-7%synergy
Raffine's Tower
28%inclusion9 decks32 decks
-13%synergy
Marsh Flats
28%inclusion9 decks32 decks
-8%synergy
Temple of Deceit
25%inclusion8 decks32 decks
8%synergy
Sea of Clouds
25%inclusion8 decks32 decks
-10%synergy
Temple of Enlightenment
25%inclusion8 decks32 decks
10%synergy
Sunken Hollow
25%inclusion8 decks32 decks
-15%synergy
Gloomlake Verge
25%inclusion8 decks32 decks
14%synergy
Vault of Champions
25%inclusion8 decks32 decks
-7%synergy
Deserted Beach
25%inclusion8 decks32 decks
4%synergy
Shadowy Backstreet
22%inclusion7 decks32 decks
9%synergy
Tainted Field
22%inclusion7 decks32 decks
15%synergy
Floodfarm Verge
22%inclusion7 decks32 decks
11%synergy
Fell the Profane
19%inclusion6 decks32 decks
10%synergy
Dimir Aqueduct
19%inclusion6 decks32 decks
6%synergy
Darkwater Catacombs
19%inclusion6 decks32 decks
4%synergy
Ash Barrens
19%inclusion6 decks32 decks
8%synergy
Shipwreck Marsh
19%inclusion6 decks32 decks
-2%synergy
Skycloud Expanse
19%inclusion6 decks32 decks
4%synergy
Obscura Storefront
19%inclusion6 decks32 decks
10%synergy
Tainted Isle
16%inclusion5 decks32 decks
9%synergy
Tundra
16%inclusion5 decks32 decks
-0%synergy
Azorius Chancery
16%inclusion5 decks32 decks
2%synergy
Glasswing Grace
16%inclusion5 decks32 decks
13%synergy
Underground Sea
16%inclusion5 decks32 decks
-0%synergy