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
Dimensional Exile
14%inclusion1 decks7 decks
14%synergy
Retro-Mutation
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Inquisitive Glimmer
83%inclusion24 decks29 decks
76%synergy
Entity Tracker
72%inclusion21 decks29 decks
66%synergy
Fear of Impostors
66%inclusion19 decks29 decks
64%synergy
Starfield Mystic
69%inclusion20 decks29 decks
62%synergy
Seal of Cleansing
62%inclusion18 decks29 decks
61%synergy
Doomwake Giant
66%inclusion19 decks29 decks
60%synergy
Cemetery Tampering
59%inclusion17 decks29 decks
58%synergy
Mesa Enchantress
66%inclusion19 decks29 decks
57%synergy
Ripples of Undeath
59%inclusion17 decks29 decks
56%synergy
Scrabbling Skullcrab
55%inclusion16 decks29 decks
54%synergy
Top Cards
Grasp of Fate
55%inclusion16 decks29 decks
49%synergy
Gravebreaker Lamia
55%inclusion16 decks29 decks
54%synergy
Demon of Fate's Design
52%inclusion15 decks29 decks
46%synergy
Necromancy
52%inclusion15 decks29 decks
47%synergy
Animate Dead
52%inclusion15 decks29 decks
42%synergy
Dress Down
52%inclusion15 decks29 decks
49%synergy
Sevinne's Reclamation
48%inclusion14 decks29 decks
39%synergy
Victor, Valgavoth's Seneschal
48%inclusion14 decks29 decks
46%synergy
Fear of Sleep Paralysis
48%inclusion14 decks29 decks
43%synergy
Overlord of the Floodpits
45%inclusion13 decks29 decks
41%synergy
Creatures
Heliod, the Radiant Dawn
41%inclusion12 decks29 decks
38%synergy
Zur, Eternal Schemer
41%inclusion12 decks29 decks
38%synergy
Overlord of the Balemurk
38%inclusion11 decks29 decks
36%synergy
Silent Hallcreeper
31%inclusion9 decks29 decks
26%synergy
Grim Guardian
31%inclusion9 decks29 decks
29%synergy
Ondu Spiritdancer
31%inclusion9 decks29 decks
25%synergy
Enduring Curiosity
28%inclusion8 decks29 decks
20%synergy
Aminatou, Veil Piercer
28%inclusion8 decks29 decks
26%synergy
Alseid of Life's Bounty
28%inclusion8 decks29 decks
26%synergy
Sage of Mysteries
24%inclusion7 decks29 decks
24%synergy
Skullsnap Nuisance
24%inclusion7 decks29 decks
24%synergy
Spirited Companion
24%inclusion7 decks29 decks
22%synergy
Mindwrack Harpy
24%inclusion7 decks29 decks
24%synergy
Soaring Lightbringer
21%inclusion6 decks29 decks
16%synergy
Overlord of the Mistmoors
21%inclusion6 decks29 decks
19%synergy
Archetype of Imagination
21%inclusion6 decks29 decks
16%synergy
Ghostly Dancers
21%inclusion6 decks29 decks
18%synergy
Fear of Surveillance
17%inclusion5 decks29 decks
17%synergy
Athreos, Shroud-Veiled
17%inclusion5 decks29 decks
13%synergy
Appendage Amalgam
17%inclusion5 decks29 decks
17%synergy
Nashi, Searcher in the Dark
17%inclusion5 decks29 decks
17%synergy
Summon: Yojimbo
17%inclusion4 decks24 decks
16%synergy
Starnheim Courser
14%inclusion4 decks29 decks
10%synergy
Archon of Sun's Grace
14%inclusion4 decks29 decks
9%synergy
Ashiok's Reaper
14%inclusion4 decks29 decks
13%synergy
Stitcher's Supplier
14%inclusion4 decks29 decks
13%synergy
Balemurk Leech
14%inclusion4 decks29 decks
13%synergy
Ancient Cellarspawn
14%inclusion4 decks29 decks
11%synergy
Zur the Enchanter
14%inclusion4 decks29 decks
9%synergy
Millikin
14%inclusion4 decks29 decks
13%synergy
Stenn, Paranoid Partisan
10%inclusion3 decks29 decks
9%synergy
Syr Konrad, the Grim
10%inclusion3 decks29 decks
5%synergy
Deranged Assistant
10%inclusion3 decks29 decks
10%synergy
Creeping Peeper
10%inclusion3 decks29 decks
10%synergy
Braids, Arisen Nightmare
10%inclusion3 decks29 decks
9%synergy
Callaphe, Beloved of the Sea
10%inclusion3 decks29 decks
9%synergy
Summon: Valefor
8.3%inclusion2 decks24 decks
8%synergy
Summon: Anima
8.3%inclusion2 decks24 decks
8%synergy
High Fae Trickster
7.4%inclusion2 decks27 decks
3%synergy
Eidolon of Astral Winds
7.4%inclusion2 decks27 decks
7%synergy
Phenax, God of Deception
6.9%inclusion2 decks29 decks
7%synergy
Lotho, Corrupt Shirriff
6.9%inclusion2 decks29 decks
-10%synergy
Patrician Geist
6.9%inclusion2 decks29 decks
7%synergy
Mulldrifter
6.9%inclusion2 decks29 decks
3%synergy
Dorothea, Vengeful Victim
6.9%inclusion2 decks29 decks
7%synergy
Fear of Failed Tests
6.9%inclusion2 decks29 decks
6%synergy
Hanna, Ship's Navigator
6.9%inclusion2 decks29 decks
5%synergy
Agent of Erebos
6.9%inclusion2 decks29 decks
6%synergy
Hydroelectric Specimen
6.9%inclusion2 decks29 decks
4%synergy
Boggart Trawler
6.9%inclusion2 decks29 decks
4%synergy
Instants
Swords to Plowshares
41%inclusion12 decks29 decks
-27%synergy
Thirst for Meaning
38%inclusion11 decks29 decks
36%synergy
Counterspell
31%inclusion9 decks29 decks
-11%synergy
Path to Exile
28%inclusion8 decks29 decks
-15%synergy
Otherworldly Gaze
24%inclusion7 decks29 decks
22%synergy
Frantic Search
21%inclusion6 decks29 decks
3%synergy
Fell the Profane
17%inclusion5 decks29 decks
8%synergy
Swan Song
17%inclusion5 decks29 decks
-3%synergy
Swallowed by Leviathan
14%inclusion3 decks21 decks
14%synergy
An Offer You Can't Refuse
14%inclusion4 decks29 decks
-14%synergy
Entomb
14%inclusion4 decks29 decks
7%synergy
Negate
14%inclusion4 decks29 decks
-3%synergy
Arcane Denial
14%inclusion4 decks29 decks
-6%synergy
Sink into Stupor
14%inclusion4 decks29 decks
1%synergy
Generous Gift
14%inclusion4 decks29 decks
0%synergy
Dreams of Laguna
13%inclusion3 decks24 decks
12%synergy
Dovin's Veto
10%inclusion3 decks29 decks
-16%synergy
Dark Ritual
10%inclusion3 decks29 decks
-10%synergy
Void Rend
10%inclusion3 decks29 decks
-24%synergy
Anguished Unmaking
10%inclusion3 decks29 decks
-15%synergy
Faithful Mending
10%inclusion3 decks29 decks
7%synergy
Inkshield
10%inclusion3 decks29 decks
1%synergy
Refute
7.4%inclusion2 decks27 decks
5%synergy
Drown in the Loch
6.9%inclusion2 decks29 decks
5%synergy
Absorb
6.9%inclusion2 decks29 decks
4%synergy
Brainstorm
6.9%inclusion2 decks29 decks
-10%synergy
Dawn's Truce
6.9%inclusion2 decks29 decks
2%synergy
Fact or Fiction
6.9%inclusion2 decks29 decks
3%synergy
Perplex
6.9%inclusion2 decks29 decks
6%synergy
Sejiri Shelter
6.9%inclusion2 decks29 decks
5%synergy
Live or Die
6.9%inclusion2 decks29 decks
7%synergy
Waterlogged Teachings
6.9%inclusion2 decks29 decks
2%synergy
Withering Torment
6.9%inclusion2 decks29 decks
5%synergy
Consult the Star Charts
5.3%inclusion1 decks19 decks
4%synergy
Sorceries
Singularity Rupture
32%inclusion6 decks19 decks
29%synergy
Extinguish All Hope
28%inclusion8 decks29 decks
26%synergy
Dance of the Manse
28%inclusion8 decks29 decks
24%synergy
Space-Time Anomaly
26%inclusion5 decks19 decks
25%synergy
Reanimate
24%inclusion7 decks29 decks
8%synergy
Redress Fate
24%inclusion7 decks29 decks
19%synergy
Resurgent Belief
17%inclusion5 decks29 decks
15%synergy
Glimpse the Unthinkable
17%inclusion5 decks29 decks
17%synergy
Windfall
14%inclusion4 decks29 decks
1%synergy
Time Wipe
14%inclusion4 decks29 decks
7%synergy
Replenish
10%inclusion3 decks29 decks
9%synergy
Demonic Counsel
10%inclusion3 decks29 decks
9%synergy
Toxic Deluge
10%inclusion3 decks29 decks
-9%synergy
Damn
10%inclusion3 decks29 decks
-10%synergy
Stock Up
7.4%inclusion2 decks27 decks
5%synergy
Commune with Evil
6.9%inclusion2 decks29 decks
7%synergy
Austere Command
6.9%inclusion2 decks29 decks
-2%synergy
Asinine Antics
6.9%inclusion2 decks29 decks
6%synergy
Open the Vaults
6.9%inclusion2 decks29 decks
6%synergy
Dread Return
6.9%inclusion2 decks29 decks
4%synergy
Cut Your Losses
6.9%inclusion2 decks29 decks
7%synergy
Feed the Swarm
6.9%inclusion2 decks29 decks
4%synergy
Treasure Cruise
6.9%inclusion2 decks29 decks
4%synergy
Brilliant Restoration
6.9%inclusion2 decks29 decks
5%synergy
Vanquish the Horde
6.9%inclusion2 decks29 decks
4%synergy
Diresight
6.9%inclusion2 decks29 decks
6%synergy
Rite of the Moth
6.9%inclusion2 decks29 decks
7%synergy
Retether
6.9%inclusion2 decks29 decks
6%synergy
Final Vengeance
6.9%inclusion2 decks29 decks
7%synergy
Unburial Rites
6.9%inclusion2 decks29 decks
4%synergy
Traumatize
6.9%inclusion2 decks29 decks
6%synergy
Utility Artifacts
Archaeomancer's Map
14%inclusion4 decks29 decks
8%synergy
Perpetual Timepiece
10%inclusion3 decks29 decks
10%synergy
Mesmeric Orb
6.9%inclusion2 decks29 decks
6%synergy
Wayfarer's Bauble
6.9%inclusion2 decks29 decks
-1%synergy
Whip of Erebos
6.9%inclusion2 decks29 decks
5%synergy
Keys to the House
6.9%inclusion2 decks29 decks
7%synergy
Claws of Gix
6.9%inclusion2 decks29 decks
7%synergy
Lightning Greaves
6.9%inclusion2 decks29 decks
-16%synergy
Rescue Skiff
5.3%inclusion1 decks19 decks
5%synergy
Enchantments
The Tale of Tamiyo
45%inclusion13 decks29 decks
44%synergy
Estrid's Invocation
41%inclusion12 decks29 decks
37%synergy
Stillness in Motion
40%inclusion10 decks25 decks
40%synergy
Cacophony Unleashed
38%inclusion11 decks29 decks
36%synergy
Polluted Cistern // Dim Oubliette
38%inclusion11 decks29 decks
37%synergy
Mirrormade
34%inclusion10 decks29 decks
25%synergy
Starfield of Nyx
34%inclusion10 decks29 decks
30%synergy
Amphibian Downpour
34%inclusion10 decks29 decks
30%synergy
Defiled Crypt // Cadaver Lab
34%inclusion10 decks29 decks
34%synergy
Sigil of the Empty Throne
31%inclusion9 decks29 decks
25%synergy
Secret Arcade // Dusty Parlor
31%inclusion9 decks29 decks
26%synergy
Propaganda
31%inclusion9 decks29 decks
3%synergy
Teval's Judgment
28%inclusion7 decks25 decks
27%synergy
Mystic Remora
28%inclusion8 decks29 decks
7%synergy
Sphere of Safety
28%inclusion8 decks29 decks
18%synergy
Sheltered by Ghosts
28%inclusion8 decks29 decks
25%synergy
Ethereal Armor
28%inclusion8 decks29 decks
23%synergy
Imprisoned in the Moon
24%inclusion7 decks29 decks
17%synergy
Out of the Tombs
24%inclusion7 decks29 decks
24%synergy
Shark Typhoon
24%inclusion7 decks29 decks
18%synergy
Monologue Tax
24%inclusion7 decks29 decks
18%synergy
Secrets of the Dead
24%inclusion7 decks29 decks
24%synergy
Mirror Room // Fractured Realm
24%inclusion7 decks29 decks
22%synergy
Seal of Removal
24%inclusion7 decks29 decks
24%synergy
Darksteel Mutation
21%inclusion6 decks29 decks
15%synergy
Dance of the Dead
21%inclusion6 decks29 decks
19%synergy
Central Elevator // Promising Stairs
21%inclusion6 decks29 decks
20%synergy
All That Glitters
21%inclusion6 decks29 decks
12%synergy
Nowhere to Run
21%inclusion6 decks29 decks
20%synergy
Hallowed Haunting
21%inclusion6 decks29 decks
18%synergy
Ghostly Prison
21%inclusion6 decks29 decks
-2%synergy
The Meathook Massacre
17%inclusion5 decks29 decks
14%synergy
Underwater Tunnel // Slimy Aquarium
17%inclusion5 decks29 decks
17%synergy
Derelict Attic // Widow's Walk
17%inclusion5 decks29 decks
17%synergy
The Restoration of Eiganjo
17%inclusion5 decks29 decks
17%synergy
Static Prison
17%inclusion5 decks29 decks
17%synergy
Restricted Office // Lecture Hall
17%inclusion5 decks29 decks
15%synergy
Lost in the Maze
14%inclusion4 decks29 decks
14%synergy
Unable to Scream
14%inclusion4 decks29 decks
13%synergy
Utter Insignificance
14%inclusion4 decks29 decks
13%synergy
The Eldest Reborn
14%inclusion4 decks29 decks
11%synergy
Chronic Flooding
14%inclusion4 decks29 decks
14%synergy
Soul Snare
14%inclusion4 decks29 decks
13%synergy
Touch the Spirit Realm
14%inclusion4 decks29 decks
11%synergy
Blind Obedience
14%inclusion4 decks29 decks
2%synergy
Seal of Doom
14%inclusion4 decks29 decks
14%synergy
Copy Enchantment
14%inclusion4 decks29 decks
9%synergy
Meat Locker // Drowned Diner
14%inclusion4 decks29 decks
13%synergy
Timely Ward
14%inclusion4 decks29 decks
9%synergy
Funeral Room // Awakening Hall
14%inclusion4 decks29 decks
13%synergy
Battles
Invasion of Theros
14%inclusion4 decks29 decks
12%synergy
Utility Lands
Bojuka Bog
55%inclusion16 decks29 decks
28%synergy
Hall of Heliod's Generosity
45%inclusion13 decks29 decks
32%synergy
Takenuma, Abandoned Mire
28%inclusion8 decks29 decks
21%synergy
Cephalid Coliseum
21%inclusion6 decks29 decks
17%synergy
Otawara, Soaring City
21%inclusion6 decks29 decks
2%synergy
Halimar Depths
14%inclusion4 decks29 decks
9%synergy
Reliquary Tower
14%inclusion4 decks29 decks
-20%synergy
Urborg, Tomb of Yawgmoth
14%inclusion4 decks29 decks
1%synergy
Ishgard, the Holy See
8.3%inclusion2 decks24 decks
5%synergy
Nephalia Drownyard
6.9%inclusion2 decks29 decks
6%synergy
Emergence Zone
6.9%inclusion2 decks29 decks
5%synergy
Drownyard Temple
6.9%inclusion2 decks29 decks
7%synergy
Temple of the False God
6.9%inclusion2 decks29 decks
-1%synergy
Adagia, Windswept Bastion
5.3%inclusion1 decks19 decks
3%synergy
Mana Artifacts
Arcane Signet
79%inclusion23 decks29 decks
-8%synergy
Sol Ring
55%inclusion16 decks29 decks
-35%synergy
Azorius Signet
45%inclusion13 decks29 decks
14%synergy
Dimir Signet
38%inclusion11 decks29 decks
7%synergy
Talisman of Hierarchy
38%inclusion11 decks29 decks
-6%synergy
Orzhov Signet
38%inclusion11 decks29 decks
6%synergy
Talisman of Progress
34%inclusion10 decks29 decks
-9%synergy
Talisman of Dominance
34%inclusion10 decks29 decks
-15%synergy
Fellwar Stone
28%inclusion8 decks29 decks
-6%synergy
Commander's Sphere
14%inclusion4 decks29 decks
-4%synergy
Mind Stone
10%inclusion3 decks29 decks
-2%synergy
Lands
Command Tower
97%inclusion28 decks29 decks
4%synergy
Plains
97%inclusion28 decks29 decks
5%synergy
Swamp
93%inclusion27 decks29 decks
1%synergy
Island
93%inclusion27 decks29 decks
0%synergy
Exotic Orchard
69%inclusion20 decks29 decks
10%synergy
Arcane Sanctum
59%inclusion17 decks29 decks
4%synergy
Underground River
55%inclusion16 decks29 decks
21%synergy
Adarkar Wastes
55%inclusion16 decks29 decks
23%synergy
Caves of Koilos
52%inclusion15 decks29 decks
16%synergy
Glacial Fortress
48%inclusion14 decks29 decks
6%synergy
Isolated Chapel
48%inclusion14 decks29 decks
7%synergy
Drowned Catacomb
45%inclusion13 decks29 decks
7%synergy
Hallowed Fountain
41%inclusion12 decks29 decks
-9%synergy
Watery Grave
41%inclusion12 decks29 decks
-9%synergy
Prairie Stream
38%inclusion11 decks29 decks
-3%synergy
Godless Shrine
38%inclusion11 decks29 decks
-13%synergy
Evolving Wilds
38%inclusion11 decks29 decks
13%synergy
Contaminated Landscape
34%inclusion10 decks29 decks
21%synergy
Undercity Sewers
31%inclusion9 decks29 decks
16%synergy
Valgavoth's Lair
31%inclusion9 decks29 decks
28%synergy
Meticulous Archive
31%inclusion9 decks29 decks
17%synergy
Temple of Silence
31%inclusion9 decks29 decks
12%synergy
Terramorphic Expanse
28%inclusion8 decks29 decks
12%synergy
Morphic Pool
28%inclusion8 decks29 decks
-6%synergy
Sunken Hollow
28%inclusion8 decks29 decks
-12%synergy
Deserted Beach
28%inclusion8 decks29 decks
7%synergy
Flooded Strand
28%inclusion8 decks29 decks
-11%synergy
Temple of Deceit
24%inclusion7 decks29 decks
7%synergy
Raffine's Tower
24%inclusion7 decks29 decks
-17%synergy
Temple of Enlightenment
24%inclusion7 decks29 decks
8%synergy
Marsh Flats
24%inclusion7 decks29 decks
-12%synergy
Polluted Delta
24%inclusion7 decks29 decks
-14%synergy
Shadowy Backstreet
21%inclusion6 decks29 decks
8%synergy
Tainted Field
21%inclusion6 decks29 decks
14%synergy
Darkwater Catacombs
21%inclusion6 decks29 decks
6%synergy
Shipwreck Marsh
21%inclusion6 decks29 decks
0%synergy
Sea of Clouds
21%inclusion6 decks29 decks
-14%synergy
Skycloud Expanse
21%inclusion6 decks29 decks
6%synergy
Gloomlake Verge
21%inclusion6 decks29 decks
10%synergy
Obscura Storefront
21%inclusion6 decks29 decks
11%synergy
Vault of Champions
21%inclusion6 decks29 decks
-12%synergy
Floodfarm Verge
21%inclusion6 decks29 decks
10%synergy
Tundra
17%inclusion5 decks29 decks
1%synergy
Fell the Profane
17%inclusion5 decks29 decks
8%synergy
Dimir Aqueduct
17%inclusion5 decks29 decks
4%synergy
Underground Sea
17%inclusion5 decks29 decks
2%synergy
Ash Barrens
17%inclusion5 decks29 decks
7%synergy
Scrubland
17%inclusion5 decks29 decks
1%synergy
Tainted Isle
14%inclusion4 decks29 decks
7%synergy
Azorius Chancery
14%inclusion4 decks29 decks
0%synergy