The Master of Keys (Commander) - Core Reanimator

Background image for What if Thassa's Oracle Were Banned?
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
25%inclusion1 decks4 decks
25%synergy
Retro-Mutation
25%inclusion1 decks4 decks
25%synergy
Noggle the Mind
10%inclusion1 decks10 decks
9%synergy
High Synergy Cards
Inquisitive Glimmer
82%inclusion23 decks28 decks
75%synergy
Entity Tracker
75%inclusion21 decks28 decks
69%synergy
Fear of Impostors
64%inclusion18 decks28 decks
63%synergy
Seal of Cleansing
64%inclusion18 decks28 decks
63%synergy
Starfield Mystic
68%inclusion19 decks28 decks
61%synergy
Mesa Enchantress
68%inclusion19 decks28 decks
59%synergy
Ripples of Undeath
61%inclusion17 decks28 decks
58%synergy
Cemetery Tampering
57%inclusion16 decks28 decks
56%synergy
Scrabbling Skullcrab
57%inclusion16 decks28 decks
56%synergy
Doomwake Giant
61%inclusion17 decks28 decks
55%synergy
Top Cards
Grasp of Fate
57%inclusion16 decks28 decks
51%synergy
Demon of Fate's Design
54%inclusion15 decks28 decks
48%synergy
Gravebreaker Lamia
54%inclusion15 decks28 decks
53%synergy
Fear of Sleep Paralysis
54%inclusion15 decks28 decks
48%synergy
Dress Down
54%inclusion15 decks28 decks
51%synergy
Necromancy
50%inclusion14 decks28 decks
45%synergy
Animate Dead
50%inclusion14 decks28 decks
40%synergy
Overlord of the Floodpits
46%inclusion13 decks28 decks
43%synergy
Sevinne's Reclamation
46%inclusion13 decks28 decks
38%synergy
Victor, Valgavoth's Seneschal
46%inclusion13 decks28 decks
44%synergy
Creatures
Heliod, the Radiant Dawn
39%inclusion11 decks28 decks
36%synergy
Overlord of the Balemurk
39%inclusion11 decks28 decks
37%synergy
Zur, Eternal Schemer
39%inclusion11 decks28 decks
36%synergy
Silent Hallcreeper
36%inclusion10 decks28 decks
31%synergy
Grim Guardian
32%inclusion9 decks28 decks
30%synergy
Ondu Spiritdancer
32%inclusion9 decks28 decks
26%synergy
Enduring Curiosity
29%inclusion8 decks28 decks
21%synergy
Aminatou, Veil Piercer
29%inclusion8 decks28 decks
27%synergy
Skullsnap Nuisance
25%inclusion7 decks28 decks
25%synergy
Spirited Companion
25%inclusion7 decks28 decks
23%synergy
Alseid of Life's Bounty
25%inclusion7 decks28 decks
24%synergy
Soaring Lightbringer
25%inclusion7 decks28 decks
20%synergy
Mindwrack Harpy
25%inclusion7 decks28 decks
25%synergy
Sage of Mysteries
21%inclusion6 decks28 decks
21%synergy
Overlord of the Mistmoors
21%inclusion6 decks28 decks
19%synergy
Athreos, Shroud-Veiled
21%inclusion6 decks28 decks
17%synergy
Archetype of Imagination
21%inclusion6 decks28 decks
17%synergy
Fear of Surveillance
18%inclusion5 decks28 decks
18%synergy
Ghostly Dancers
18%inclusion5 decks28 decks
15%synergy
Appendage Amalgam
18%inclusion5 decks28 decks
18%synergy
Nashi, Searcher in the Dark
18%inclusion5 decks28 decks
17%synergy
Ancient Cellarspawn
18%inclusion5 decks28 decks
15%synergy
Summon: Yojimbo
17%inclusion4 decks23 decks
16%synergy
Starnheim Courser
14%inclusion4 decks28 decks
10%synergy
Ashiok's Reaper
14%inclusion4 decks28 decks
14%synergy
Archon of Sun's Grace
14%inclusion4 decks28 decks
10%synergy
Zur the Enchanter
14%inclusion4 decks28 decks
9%synergy
Stitcher's Supplier
14%inclusion4 decks28 decks
14%synergy
Balemurk Leech
14%inclusion4 decks28 decks
14%synergy
Millikin
14%inclusion4 decks28 decks
14%synergy
Stenn, Paranoid Partisan
11%inclusion3 decks28 decks
9%synergy
Syr Konrad, the Grim
11%inclusion3 decks28 decks
5%synergy
Creeping Peeper
11%inclusion3 decks28 decks
11%synergy
Braids, Arisen Nightmare
11%inclusion3 decks28 decks
10%synergy
Moon-Blessed Cleric
11%inclusion3 decks28 decks
6%synergy
Fear of the Dark
11%inclusion3 decks28 decks
10%synergy
Deranged Assistant
11%inclusion3 decks28 decks
10%synergy
Nightmare Shepherd
11%inclusion3 decks28 decks
8%synergy
Auramancer
11%inclusion3 decks28 decks
8%synergy
Callaphe, Beloved of the Sea
11%inclusion3 decks28 decks
10%synergy
Summon: Primal Odin
8.7%inclusion2 decks23 decks
4%synergy
Summon: Valefor
8.7%inclusion2 decks23 decks
8%synergy
Summon: Anima
8.7%inclusion2 decks23 decks
8%synergy
High Fae Trickster
7.7%inclusion2 decks26 decks
3%synergy
Eidolon of Astral Winds
7.7%inclusion2 decks26 decks
8%synergy
Solemn Simulacrum
7.1%inclusion2 decks28 decks
-7%synergy
Metamorphosis Fanatic
7.1%inclusion2 decks28 decks
3%synergy
Phenax, God of Deception
7.1%inclusion2 decks28 decks
7%synergy
Lotho, Corrupt Shirriff
7.1%inclusion2 decks28 decks
-10%synergy
Mulldrifter
7.1%inclusion2 decks28 decks
3%synergy
Instants
Swords to Plowshares
43%inclusion12 decks28 decks
-25%synergy
Thirst for Meaning
39%inclusion11 decks28 decks
38%synergy
Counterspell
32%inclusion9 decks28 decks
-9%synergy
Path to Exile
29%inclusion8 decks28 decks
-14%synergy
Otherworldly Gaze
21%inclusion6 decks28 decks
19%synergy
Fell the Profane
18%inclusion5 decks28 decks
9%synergy
Frantic Search
18%inclusion5 decks28 decks
0%synergy
Arcane Denial
18%inclusion5 decks28 decks
-2%synergy
Swallowed by Leviathan
15%inclusion3 decks20 decks
14%synergy
An Offer You Can't Refuse
14%inclusion4 decks28 decks
-13%synergy
Negate
14%inclusion4 decks28 decks
-2%synergy
Swan Song
14%inclusion4 decks28 decks
-5%synergy
Sink into Stupor
14%inclusion4 decks28 decks
2%synergy
Inkshield
14%inclusion4 decks28 decks
5%synergy
Dreams of Laguna
13%inclusion3 decks23 decks
13%synergy
Refute
12%inclusion3 decks26 decks
9%synergy
Dovin's Veto
11%inclusion3 decks28 decks
-15%synergy
Entomb
11%inclusion3 decks28 decks
4%synergy
Void Rend
11%inclusion3 decks28 decks
-24%synergy
Brainstorm
11%inclusion3 decks28 decks
-6%synergy
Faithful Mending
11%inclusion3 decks28 decks
7%synergy
Dark Ritual
11%inclusion3 decks28 decks
-9%synergy
Generous Gift
11%inclusion3 decks28 decks
-4%synergy
Anguished Unmaking
11%inclusion3 decks28 decks
-15%synergy
Drown in the Loch
7.1%inclusion2 decks28 decks
5%synergy
Fact or Fiction
7.1%inclusion2 decks28 decks
3%synergy
Sejiri Shelter
7.1%inclusion2 decks28 decks
5%synergy
Live or Die
7.1%inclusion2 decks28 decks
7%synergy
Waterlogged Teachings
7.1%inclusion2 decks28 decks
3%synergy
Withering Torment
7.1%inclusion2 decks28 decks
5%synergy
Consult the Star Charts
5.6%inclusion1 decks18 decks
5%synergy
Sorceries
Redress Fate
29%inclusion8 decks28 decks
23%synergy
Dance of the Manse
29%inclusion8 decks28 decks
25%synergy
Singularity Rupture
28%inclusion5 decks18 decks
25%synergy
Extinguish All Hope
25%inclusion7 decks28 decks
23%synergy
Reanimate
21%inclusion6 decks28 decks
5%synergy
Resurgent Belief
18%inclusion5 decks28 decks
16%synergy
Space-Time Anomaly
17%inclusion3 decks18 decks
15%synergy
Windfall
14%inclusion4 decks28 decks
1%synergy
Glimpse the Unthinkable
14%inclusion4 decks28 decks
14%synergy
Time Wipe
14%inclusion4 decks28 decks
8%synergy
Demonic Counsel
14%inclusion4 decks28 decks
13%synergy
Toxic Deluge
11%inclusion3 decks28 decks
-9%synergy
Replenish
11%inclusion3 decks28 decks
9%synergy
Damn
11%inclusion3 decks28 decks
-10%synergy
Final Vengeance
11%inclusion3 decks28 decks
11%synergy
Stock Up
7.7%inclusion2 decks26 decks
6%synergy
Ponder
7.1%inclusion2 decks28 decks
-2%synergy
Commune with Evil
7.1%inclusion2 decks28 decks
7%synergy
Austere Command
7.1%inclusion2 decks28 decks
-2%synergy
Asinine Antics
7.1%inclusion2 decks28 decks
6%synergy
Dread Return
7.1%inclusion2 decks28 decks
4%synergy
Open the Vaults
7.1%inclusion2 decks28 decks
6%synergy
Cut Your Losses
7.1%inclusion2 decks28 decks
7%synergy
Feed the Swarm
7.1%inclusion2 decks28 decks
4%synergy
Living Death
7.1%inclusion2 decks28 decks
3%synergy
Vanquish the Horde
7.1%inclusion2 decks28 decks
4%synergy
Diresight
7.1%inclusion2 decks28 decks
7%synergy
Treasure Cruise
7.1%inclusion2 decks28 decks
4%synergy
Brilliant Restoration
7.1%inclusion2 decks28 decks
5%synergy
Utility Artifacts
Archaeomancer's Map
14%inclusion4 decks28 decks
9%synergy
Keys to the House
11%inclusion3 decks28 decks
10%synergy
Mesmeric Orb
7.1%inclusion2 decks28 decks
6%synergy
Perpetual Timepiece
7.1%inclusion2 decks28 decks
7%synergy
Wayfarer's Bauble
7.1%inclusion2 decks28 decks
-1%synergy
Whip of Erebos
7.1%inclusion2 decks28 decks
5%synergy
Lightning Greaves
7.1%inclusion2 decks28 decks
-15%synergy
Claws of Gix
7.1%inclusion2 decks28 decks
7%synergy
Rescue Skiff
5.6%inclusion1 decks18 decks
5%synergy
Enchantments
Polluted Cistern // Dim Oubliette
43%inclusion12 decks28 decks
42%synergy
The Tale of Tamiyo
43%inclusion12 decks28 decks
42%synergy
Cacophony Unleashed
39%inclusion11 decks28 decks
38%synergy
Estrid's Invocation
39%inclusion11 decks28 decks
35%synergy
Stillness in Motion
38%inclusion9 decks24 decks
37%synergy
Sigil of the Empty Throne
36%inclusion10 decks28 decks
30%synergy
Starfield of Nyx
36%inclusion10 decks28 decks
32%synergy
Amphibian Downpour
36%inclusion10 decks28 decks
31%synergy
Secret Arcade // Dusty Parlor
36%inclusion10 decks28 decks
31%synergy
Defiled Crypt // Cadaver Lab
36%inclusion10 decks28 decks
35%synergy
Mirrormade
32%inclusion9 decks28 decks
22%synergy
Sphere of Safety
32%inclusion9 decks28 decks
23%synergy
Teval's Judgment
29%inclusion7 decks24 decks
28%synergy
Mystic Remora
29%inclusion8 decks28 decks
8%synergy
Monologue Tax
29%inclusion8 decks28 decks
22%synergy
Propaganda
29%inclusion8 decks28 decks
1%synergy
Imprisoned in the Moon
25%inclusion7 decks28 decks
18%synergy
Out of the Tombs
25%inclusion7 decks28 decks
25%synergy
Shark Typhoon
25%inclusion7 decks28 decks
19%synergy
Sheltered by Ghosts
25%inclusion7 decks28 decks
22%synergy
Ethereal Armor
25%inclusion7 decks28 decks
20%synergy
Mirror Room // Fractured Realm
25%inclusion7 decks28 decks
23%synergy
Central Elevator // Promising Stairs
21%inclusion6 decks28 decks
21%synergy
Hallowed Haunting
21%inclusion6 decks28 decks
19%synergy
Ghostly Prison
21%inclusion6 decks28 decks
-1%synergy
Secrets of the Dead
21%inclusion6 decks28 decks
21%synergy
Nowhere to Run
21%inclusion6 decks28 decks
20%synergy
Seal of Removal
21%inclusion6 decks28 decks
21%synergy
Darksteel Mutation
18%inclusion5 decks28 decks
12%synergy
The Meathook Massacre
18%inclusion5 decks28 decks
14%synergy
Dance of the Dead
18%inclusion5 decks28 decks
16%synergy
Underwater Tunnel // Slimy Aquarium
18%inclusion5 decks28 decks
18%synergy
Unable to Scream
18%inclusion5 decks28 decks
17%synergy
Chronic Flooding
18%inclusion5 decks28 decks
18%synergy
Restricted Office // Lecture Hall
18%inclusion5 decks28 decks
16%synergy
Derelict Attic // Widow's Walk
18%inclusion5 decks28 decks
17%synergy
The Restoration of Eiganjo
18%inclusion5 decks28 decks
17%synergy
All That Glitters
18%inclusion5 decks28 decks
9%synergy
Static Prison
18%inclusion5 decks28 decks
17%synergy
Touch the Spirit Realm
14%inclusion4 decks28 decks
12%synergy
Lost in the Maze
14%inclusion4 decks28 decks
14%synergy
Utter Insignificance
14%inclusion4 decks28 decks
14%synergy
The Eldest Reborn
14%inclusion4 decks28 decks
12%synergy
Funeral Room // Awakening Hall
14%inclusion4 decks28 decks
13%synergy
Soul Snare
14%inclusion4 decks28 decks
14%synergy
Court of Ardenvale
14%inclusion4 decks28 decks
14%synergy
Eaten by Piranhas
14%inclusion4 decks28 decks
13%synergy
Oubliette
14%inclusion4 decks28 decks
13%synergy
Blind Obedience
14%inclusion4 decks28 decks
2%synergy
Search for Azcanta
14%inclusion4 decks28 decks
13%synergy
Battles
Invasion of Theros
14%inclusion4 decks28 decks
13%synergy
Utility Lands
Bojuka Bog
61%inclusion17 decks28 decks
34%synergy
Hall of Heliod's Generosity
50%inclusion14 decks28 decks
37%synergy
Takenuma, Abandoned Mire
29%inclusion8 decks28 decks
22%synergy
Otawara, Soaring City
21%inclusion6 decks28 decks
2%synergy
Cephalid Coliseum
21%inclusion6 decks28 decks
18%synergy
Halimar Depths
18%inclusion5 decks28 decks
13%synergy
Reliquary Tower
14%inclusion4 decks28 decks
-20%synergy
Urborg, Tomb of Yawgmoth
14%inclusion4 decks28 decks
1%synergy
Ishgard, the Holy See
8.7%inclusion2 decks23 decks
5%synergy
Temple of the False God
7.1%inclusion2 decks28 decks
-1%synergy
Nephalia Drownyard
7.1%inclusion2 decks28 decks
7%synergy
Drownyard Temple
7.1%inclusion2 decks28 decks
7%synergy
Adagia, Windswept Bastion
5.6%inclusion1 decks18 decks
3%synergy
Eden, Seat of the Sanctum
5.0%inclusion1 decks20 decks
5%synergy
Mana Artifacts
Arcane Signet
79%inclusion22 decks28 decks
-9%synergy
Sol Ring
54%inclusion15 decks28 decks
-36%synergy
Azorius Signet
46%inclusion13 decks28 decks
15%synergy
Dimir Signet
39%inclusion11 decks28 decks
8%synergy
Talisman of Progress
36%inclusion10 decks28 decks
-8%synergy
Talisman of Dominance
36%inclusion10 decks28 decks
-14%synergy
Talisman of Hierarchy
36%inclusion10 decks28 decks
-8%synergy
Orzhov Signet
36%inclusion10 decks28 decks
3%synergy
Fellwar Stone
29%inclusion8 decks28 decks
-5%synergy
Commander's Sphere
14%inclusion4 decks28 decks
-4%synergy
Mind Stone
11%inclusion3 decks28 decks
-2%synergy
Bender's Waterskin
5.6%inclusion1 decks18 decks
1%synergy
Lands
Command Tower
96%inclusion27 decks28 decks
4%synergy
Plains
96%inclusion27 decks28 decks
5%synergy
Swamp
93%inclusion26 decks28 decks
1%synergy
Island
93%inclusion26 decks28 decks
0%synergy
Exotic Orchard
68%inclusion19 decks28 decks
9%synergy
Arcane Sanctum
61%inclusion17 decks28 decks
6%synergy
Caves of Koilos
50%inclusion14 decks28 decks
14%synergy
Underground River
50%inclusion14 decks28 decks
16%synergy
Adarkar Wastes
50%inclusion14 decks28 decks
18%synergy
Glacial Fortress
46%inclusion13 decks28 decks
5%synergy
Isolated Chapel
46%inclusion13 decks28 decks
6%synergy
Drowned Catacomb
46%inclusion13 decks28 decks
9%synergy
Evolving Wilds
39%inclusion11 decks28 decks
14%synergy
Hallowed Fountain
39%inclusion11 decks28 decks
-11%synergy
Watery Grave
39%inclusion11 decks28 decks
-11%synergy
Contaminated Landscape
36%inclusion10 decks28 decks
22%synergy
Prairie Stream
36%inclusion10 decks28 decks
-5%synergy
Godless Shrine
36%inclusion10 decks28 decks
-15%synergy
Valgavoth's Lair
32%inclusion9 decks28 decks
29%synergy
Temple of Silence
32%inclusion9 decks28 decks
13%synergy
Undercity Sewers
29%inclusion8 decks28 decks
14%synergy
Terramorphic Expanse
29%inclusion8 decks28 decks
12%synergy
Sunken Hollow
29%inclusion8 decks28 decks
-11%synergy
Morphic Pool
29%inclusion8 decks28 decks
-5%synergy
Meticulous Archive
29%inclusion8 decks28 decks
15%synergy
Flooded Strand
29%inclusion8 decks28 decks
-10%synergy
Temple of Deceit
25%inclusion7 decks28 decks
7%synergy
Raffine's Tower
25%inclusion7 decks28 decks
-16%synergy
Obscura Storefront
25%inclusion7 decks28 decks
15%synergy
Polluted Delta
25%inclusion7 decks28 decks
-13%synergy
Marsh Flats
25%inclusion7 decks28 decks
-11%synergy
Deserted Beach
25%inclusion7 decks28 decks
4%synergy
Floodfarm Verge
25%inclusion7 decks28 decks
14%synergy
Dimir Aqueduct
21%inclusion6 decks28 decks
8%synergy
Shadowy Backstreet
21%inclusion6 decks28 decks
9%synergy
Tainted Field
21%inclusion6 decks28 decks
14%synergy
Darkwater Catacombs
21%inclusion6 decks28 decks
7%synergy
Sea of Clouds
21%inclusion6 decks28 decks
-14%synergy
Skycloud Expanse
21%inclusion6 decks28 decks
6%synergy
Temple of Enlightenment
21%inclusion6 decks28 decks
5%synergy
Vault of Champions
21%inclusion6 decks28 decks
-11%synergy
Tainted Isle
18%inclusion5 decks28 decks
12%synergy
Tundra
18%inclusion5 decks28 decks
2%synergy
Fell the Profane
18%inclusion5 decks28 decks
9%synergy
Azorius Chancery
18%inclusion5 decks28 decks
4%synergy
Underground Sea
18%inclusion5 decks28 decks
2%synergy
Shipwreck Marsh
18%inclusion5 decks28 decks
-3%synergy
Gloomlake Verge
18%inclusion5 decks28 decks
7%synergy
Orzhov Basilica
18%inclusion5 decks28 decks
2%synergy
Scrubland
18%inclusion5 decks28 decks
2%synergy