The Master of Keys (Commander) - Expensive Sacrifice

The Master of Keys
Rank #314
3decks
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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.
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Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Smothering Tithe
100%inclusion3 decks3 decks
68%synergy
Thassa's Oracle
100%inclusion3 decks3 decks
90%synergy
Intuition
100%inclusion3 decks3 decks
98%synergy
Rhystic Study
100%inclusion3 decks3 decks
68%synergy
Mana Vault
100%inclusion3 decks3 decks
91%synergy
Demonic Tutor
100%inclusion3 decks3 decks
79%synergy
Necropotence
100%inclusion3 decks3 decks
93%synergy
Force of Will
100%inclusion3 decks3 decks
87%synergy
Enlightened Tutor
100%inclusion3 decks3 decks
80%synergy
Orcish Bowmasters
100%inclusion3 decks3 decks
89%synergy
Creatures
Esper Sentinel
100%inclusion3 decks3 decks
72%synergy
Volatile Stormdrake
67%inclusion2 decks3 decks
65%synergy
Opposition Agent
67%inclusion2 decks3 decks
58%synergy
Abdel Adrian, Gorion's Ward
67%inclusion2 decks3 decks
65%synergy
Ranger-Captain of Eos
67%inclusion2 decks3 decks
60%synergy
Hullbreaker Horror
67%inclusion2 decks3 decks
60%synergy
Displacer Kitten
33%inclusion1 decks3 decks
26%synergy
Lotho, Corrupt Shirriff
33%inclusion1 decks3 decks
16%synergy
Hoarding Broodlord
33%inclusion1 decks3 decks
31%synergy
Phyrexian Metamorph
33%inclusion1 decks3 decks
25%synergy
Valley Floodcaller
33%inclusion1 decks3 decks
29%synergy
Drana and Linvala
33%inclusion1 decks3 decks
31%synergy
Perplexing Chimera
33%inclusion1 decks3 decks
33%synergy
Talion, the Kindly Lord
33%inclusion1 decks3 decks
25%synergy
Drannith Magistrate
33%inclusion1 decks3 decks
25%synergy
Mockingbird
33%inclusion1 decks3 decks
29%synergy
Grand Abolisher
33%inclusion1 decks3 decks
19%synergy
Auriok Salvagers
33%inclusion1 decks3 decks
33%synergy
Psychic Frog
33%inclusion1 decks3 decks
26%synergy
Academy Rector
33%inclusion1 decks3 decks
33%synergy
Ledger Shredder
33%inclusion1 decks3 decks
24%synergy
Instants
Mental Misstep
100%inclusion3 decks3 decks
93%synergy
Tainted Pact
100%inclusion3 decks3 decks
92%synergy
Chain of Vapor
100%inclusion3 decks3 decks
97%synergy
Entomb
100%inclusion3 decks3 decks
93%synergy
Mindbreak Trap
100%inclusion3 decks3 decks
93%synergy
Dark Ritual
100%inclusion3 decks3 decks
81%synergy
Flusterstorm
100%inclusion3 decks3 decks
92%synergy
Silence
100%inclusion3 decks3 decks
90%synergy
Demonic Consultation
100%inclusion3 decks3 decks
92%synergy
Force of Negation
100%inclusion3 decks3 decks
88%synergy
Vampiric Tutor
100%inclusion3 decks3 decks
82%synergy
Pact of Negation
100%inclusion3 decks3 decks
92%synergy
Cabal Ritual
67%inclusion2 decks3 decks
63%synergy
Swan Song
67%inclusion2 decks3 decks
47%synergy
Swords to Plowshares
67%inclusion2 decks3 decks
-2%synergy
Borne Upon a Wind
67%inclusion2 decks3 decks
62%synergy
Fierce Guardianship
67%inclusion2 decks3 decks
46%synergy
Cyclonic Rift
67%inclusion2 decks3 decks
42%synergy
Mystical Tutor
67%inclusion2 decks3 decks
55%synergy
Sacrifice
33%inclusion1 decks3 decks
33%synergy
Frantic Search
33%inclusion1 decks3 decks
16%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
7%synergy
Brain Freeze
33%inclusion1 decks3 decks
33%synergy
Get Lost
33%inclusion1 decks3 decks
32%synergy
Culling the Weak
33%inclusion1 decks3 decks
32%synergy
Snap
33%inclusion1 decks3 decks
32%synergy
Saw in Half
33%inclusion1 decks3 decks
31%synergy
Sorceries
Sevinne's Reclamation
100%inclusion3 decks3 decks
91%synergy
Reanimate
67%inclusion2 decks3 decks
51%synergy
Mnemonic Betrayal
67%inclusion2 decks3 decks
64%synergy
Timetwister
67%inclusion2 decks3 decks
66%synergy
Cabal Therapy
33%inclusion1 decks3 decks
33%synergy
Yawgmoth's Will
33%inclusion1 decks3 decks
32%synergy
Replenish
33%inclusion1 decks3 decks
32%synergy
Lórien Revealed
33%inclusion1 decks3 decks
31%synergy
Toxic Deluge
33%inclusion1 decks3 decks
14%synergy
Damn
33%inclusion1 decks3 decks
13%synergy
Beseech the Mirror
33%inclusion1 decks3 decks
29%synergy
Utility Artifacts
The One Ring
67%inclusion2 decks3 decks
53%synergy
Cursed Totem
67%inclusion2 decks3 decks
64%synergy
Wishclaw Talisman
67%inclusion2 decks3 decks
58%synergy
Vexing Bauble
33%inclusion1 decks3 decks
32%synergy
Agatha's Soul Cauldron
33%inclusion1 decks3 decks
33%synergy
Enchantments
Mystic Remora
100%inclusion3 decks3 decks
79%synergy
Animate Dead
100%inclusion3 decks3 decks
90%synergy
Dress Down
100%inclusion3 decks3 decks
98%synergy
Dance of the Dead
67%inclusion2 decks3 decks
64%synergy
Touch the Spirit Realm
67%inclusion2 decks3 decks
64%synergy
Blind Obedience
67%inclusion2 decks3 decks
54%synergy
Attunement
67%inclusion2 decks3 decks
66%synergy
Necromancy
67%inclusion2 decks3 decks
62%synergy
Leyline of Anticipation
67%inclusion2 decks3 decks
62%synergy
Amphibian Downpour
67%inclusion2 decks3 decks
62%synergy
Seal of Cleansing
67%inclusion2 decks3 decks
65%synergy
Seal of Removal
67%inclusion2 decks3 decks
66%synergy
Trouble in Pairs
67%inclusion2 decks3 decks
61%synergy
Leyline of the Void
67%inclusion2 decks3 decks
66%synergy
Darksteel Mutation
33%inclusion1 decks3 decks
27%synergy
Parallax Wave
33%inclusion1 decks3 decks
33%synergy
Legacy's Allure
33%inclusion1 decks3 decks
33%synergy
Stony Silence
33%inclusion1 decks3 decks
33%synergy
Curse of Silence
33%inclusion1 decks3 decks
33%synergy
Unable to Scream
33%inclusion1 decks3 decks
32%synergy
Steal Enchantment
33%inclusion1 decks3 decks
32%synergy
Opalescence
33%inclusion1 decks3 decks
33%synergy
Omniscience
33%inclusion1 decks3 decks
30%synergy
Kismet
33%inclusion1 decks3 decks
33%synergy
Out of Time
33%inclusion1 decks3 decks
32%synergy
Charitable Levy
33%inclusion1 decks3 decks
33%synergy
Power Artifact
33%inclusion1 decks3 decks
33%synergy
Necrodominance
33%inclusion1 decks3 decks
32%synergy
Witness Protection
33%inclusion1 decks3 decks
31%synergy
Second Chance
33%inclusion1 decks3 decks
33%synergy
Static Prison
33%inclusion1 decks3 decks
33%synergy
Chthonian Nightmare
33%inclusion1 decks3 decks
33%synergy
Parallax Tide
33%inclusion1 decks3 decks
33%synergy
Aura of Silence
33%inclusion1 decks3 decks
30%synergy
Planeswalkers
Teferi, Time Raveler
67%inclusion2 decks3 decks
58%synergy
Utility Lands
Otawara, Soaring City
100%inclusion3 decks3 decks
81%synergy
Ancient Tomb
67%inclusion2 decks3 decks
53%synergy
Serra's Sanctum
67%inclusion2 decks3 decks
65%synergy
Emergence Zone
67%inclusion2 decks3 decks
65%synergy
Cephalid Coliseum
67%inclusion2 decks3 decks
63%synergy
Wasteland
33%inclusion1 decks3 decks
33%synergy
Mystic Sanctuary
33%inclusion1 decks3 decks
29%synergy
Urza's Saga
33%inclusion1 decks3 decks
21%synergy
Bazaar of Baghdad
33%inclusion1 decks3 decks
33%synergy
The Tabernacle at Pendrell Vale
33%inclusion1 decks3 decks
33%synergy
Strip Mine
33%inclusion1 decks3 decks
32%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
20%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
12%synergy
Lotus Petal
100%inclusion3 decks3 decks
89%synergy
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Chrome Mox
100%inclusion3 decks3 decks
90%synergy
Mox Diamond
100%inclusion3 decks3 decks
93%synergy
Lion's Eye Diamond
67%inclusion2 decks3 decks
64%synergy
Grim Monolith
33%inclusion1 decks3 decks
30%synergy
Jeweled Lotus
33%inclusion1 decks3 decks
32%synergy
Mana Crypt
33%inclusion1 decks3 decks
31%synergy
Talisman of Dominance
33%inclusion1 decks3 decks
-16%synergy
Fellwar Stone
33%inclusion1 decks3 decks
-1%synergy
Talisman of Hierarchy
33%inclusion1 decks3 decks
-10%synergy
Mox Opal
33%inclusion1 decks3 decks
24%synergy
Lands
Tundra
100%inclusion3 decks3 decks
84%synergy
Command Tower
100%inclusion3 decks3 decks
8%synergy
Undercity Sewers
100%inclusion3 decks3 decks
86%synergy
Misty Rainforest
100%inclusion3 decks3 decks
89%synergy
Underground Sea
100%inclusion3 decks3 decks
84%synergy
Verdant Catacombs
100%inclusion3 decks3 decks
90%synergy
Scrubland
100%inclusion3 decks3 decks
84%synergy
Scalding Tarn
100%inclusion3 decks3 decks
89%synergy
Mana Confluence
100%inclusion3 decks3 decks
86%synergy
Marsh Flats
100%inclusion3 decks3 decks
64%synergy
Polluted Delta
100%inclusion3 decks3 decks
63%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
51%synergy
City of Brass
100%inclusion3 decks3 decks
85%synergy
Flooded Strand
100%inclusion3 decks3 decks
62%synergy
Bloodstained Mire
100%inclusion3 decks3 decks
89%synergy
Watery Grave
100%inclusion3 decks3 decks
50%synergy
Windswept Heath
67%inclusion2 decks3 decks
57%synergy
Godless Shrine
67%inclusion2 decks3 decks
16%synergy
Gemstone Caverns
67%inclusion2 decks3 decks
59%synergy
Arid Mesa
67%inclusion2 decks3 decks
57%synergy
Shadowy Backstreet
33%inclusion1 decks3 decks
21%synergy
Exotic Orchard
33%inclusion1 decks3 decks
-25%synergy
Talon Gates of Madara
33%inclusion1 decks3 decks
32%synergy
Island
33%inclusion1 decks3 decks
-59%synergy
Meticulous Archive
33%inclusion1 decks3 decks
20%synergy
Vault of Champions
33%inclusion1 decks3 decks
1%synergy
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