The Master of Keys (Commander) - Sacrifice

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
Dress Down
92%inclusion33 decks36 decks
89%synergy
Necromancy
92%inclusion33 decks36 decks
87%synergy
Animate Dead
94%inclusion34 decks36 decks
85%synergy
Intuition
83%inclusion30 decks36 decks
82%synergy
Entomb
86%inclusion31 decks36 decks
79%synergy
Tainted Pact
83%inclusion30 decks36 decks
76%synergy
Dance of the Dead
78%inclusion28 decks36 decks
76%synergy
Ranger-Captain of Eos
81%inclusion29 decks36 decks
74%synergy
Mindbreak Trap
81%inclusion29 decks36 decks
74%synergy
Abdel Adrian, Gorion's Ward
75%inclusion27 decks36 decks
73%synergy
Top Cards
Mystic Remora
94%inclusion34 decks36 decks
73%synergy
Esper Sentinel
89%inclusion32 decks36 decks
61%synergy
Swan Song
86%inclusion31 decks36 decks
67%synergy
Dark Ritual
83%inclusion30 decks36 decks
64%synergy
Smothering Tithe
81%inclusion29 decks36 decks
48%synergy
Flusterstorm
81%inclusion29 decks36 decks
72%synergy
Silence
81%inclusion29 decks36 decks
70%synergy
Demonic Consultation
81%inclusion29 decks36 decks
72%synergy
Necropotence
78%inclusion28 decks36 decks
71%synergy
Pact of Negation
78%inclusion28 decks36 decks
70%synergy
Game Changers
Rhystic Study
92%inclusion33 decks36 decks
59%synergy
Ancient Tomb
89%inclusion32 decks36 decks
76%synergy
Mana Vault
89%inclusion32 decks36 decks
79%synergy
Demonic Tutor
89%inclusion32 decks36 decks
67%synergy
Force of Will
89%inclusion32 decks36 decks
76%synergy
Vampiric Tutor
89%inclusion32 decks36 decks
71%synergy
Thassa's Oracle
86%inclusion31 decks36 decks
76%synergy
Enlightened Tutor
86%inclusion31 decks36 decks
66%synergy
Orcish Bowmasters
86%inclusion31 decks36 decks
75%synergy
Chrome Mox
86%inclusion31 decks36 decks
76%synergy
Creatures
Qarsi Revenant
100%inclusion1 decks1 decks
100%synergy
Grand Abolisher
72%inclusion26 decks36 decks
58%synergy
Lotho, Corrupt Shirriff
67%inclusion24 decks36 decks
50%synergy
Valley Floodcaller
64%inclusion23 decks36 decks
60%synergy
Opposition Agent
58%inclusion21 decks36 decks
50%synergy
Hullbreaker Horror
58%inclusion21 decks36 decks
52%synergy
Auriok Salvagers
56%inclusion20 decks36 decks
55%synergy
Drannith Magistrate
53%inclusion19 decks36 decks
45%synergy
Displacer Kitten
39%inclusion14 decks36 decks
32%synergy
Mockingbird
39%inclusion14 decks36 decks
34%synergy
Pollywog Prodigy
36%inclusion13 decks36 decks
32%synergy
Phyrexian Metamorph
31%inclusion11 decks36 decks
22%synergy
Dauthi Voidwalker
31%inclusion11 decks36 decks
24%synergy
Archivist of Oghma
28%inclusion10 decks36 decks
21%synergy
Talion, the Kindly Lord
28%inclusion10 decks36 decks
20%synergy
Hoarding Broodlord
25%inclusion9 decks36 decks
23%synergy
Flesh Duplicate
19%inclusion7 decks36 decks
19%synergy
Dauntless Dismantler
19%inclusion7 decks36 decks
18%synergy
Ledger Shredder
19%inclusion7 decks36 decks
11%synergy
Volatile Stormdrake
17%inclusion6 decks36 decks
15%synergy
Phantasmal Image
17%inclusion6 decks36 decks
14%synergy
Psychic Frog
17%inclusion6 decks36 decks
10%synergy
Stitcher's Supplier
14%inclusion5 decks36 decks
13%synergy
High Fae Trickster
13%inclusion1 decks8 decks
8%synergy
Lurrus of the Dream-Den
11%inclusion4 decks36 decks
9%synergy
Cephalid Illusionist
11%inclusion4 decks36 decks
11%synergy
Inquisitive Glimmer
11%inclusion4 decks36 decks
3%synergy
Overlord of the Balemurk
11%inclusion4 decks36 decks
9%synergy
Nomads en-Kor
11%inclusion4 decks36 decks
11%synergy
Valgavoth, Terror Eater
11%inclusion4 decks36 decks
8%synergy
Razaketh, the Foulblooded
8.3%inclusion3 decks36 decks
6%synergy
Scrabbling Skullcrab
8.3%inclusion3 decks36 decks
7%synergy
Overlord of the Floodpits
8.3%inclusion3 decks36 decks
5%synergy
Hedron Crab
8.3%inclusion3 decks36 decks
8%synergy
Overlord of the Mistmoors
8.3%inclusion3 decks36 decks
6%synergy
Leonin Relic-Warder
8.3%inclusion3 decks36 decks
8%synergy
Faerie Mastermind
8.3%inclusion3 decks36 decks
-1%synergy
Doomwake Giant
8.3%inclusion3 decks36 decks
2%synergy
Entity Tracker
8.3%inclusion3 decks36 decks
2%synergy
Academy Rector
8.3%inclusion3 decks36 decks
8%synergy
Peregrine Drake
5.6%inclusion2 decks36 decks
2%synergy
Walking Ballista
5.6%inclusion2 decks36 decks
3%synergy
Fear of Impostors
5.6%inclusion2 decks36 decks
4%synergy
Perplexing Chimera
5.6%inclusion2 decks36 decks
5%synergy
Sheoldred, Whispering One
5.6%inclusion2 decks36 decks
1%synergy
Laboratory Maniac
5.6%inclusion2 decks36 decks
2%synergy
Zur the Enchanter
5.6%inclusion2 decks36 decks
0%synergy
Braids, Arisen Nightmare
5.6%inclusion2 decks36 decks
4%synergy
Shambling Ghast
5.6%inclusion2 decks36 decks
5%synergy
Notion Thief
5.6%inclusion2 decks36 decks
-2%synergy
Instants
Force of Negation
75%inclusion27 decks36 decks
63%synergy
Borne Upon a Wind
75%inclusion27 decks36 decks
70%synergy
Fierce Guardianship
69%inclusion25 decks36 decks
49%synergy
Chain of Vapor
67%inclusion24 decks36 decks
63%synergy
An Offer You Can't Refuse
64%inclusion23 decks36 decks
37%synergy
Mental Misstep
61%inclusion22 decks36 decks
54%synergy
Swords to Plowshares
61%inclusion22 decks36 decks
-7%synergy
Mystical Tutor
61%inclusion22 decks36 decks
50%synergy
Cyclonic Rift
50%inclusion18 decks36 decks
26%synergy
Cabal Ritual
33%inclusion12 decks36 decks
30%synergy
Mana Drain
33%inclusion12 decks36 decks
16%synergy
Culling the Weak
25%inclusion9 decks36 decks
23%synergy
Saw in Half
25%inclusion9 decks36 decks
23%synergy
Sacrifice
22%inclusion8 decks36 decks
22%synergy
Ad Nauseam
19%inclusion7 decks36 decks
17%synergy
Strix Serenade
14%inclusion5 decks36 decks
10%synergy
Sink into Stupor
11%inclusion4 decks36 decks
-1%synergy
Path to Exile
11%inclusion4 decks36 decks
-31%synergy
Deadly Rollick
8.3%inclusion3 decks36 decks
-6%synergy
Dovin's Veto
8.3%inclusion3 decks36 decks
-17%synergy
Lim-Dûl's Vault
8.3%inclusion3 decks36 decks
5%synergy
Dispel
8.3%inclusion3 decks36 decks
5%synergy
Into the Flood Maw
8.3%inclusion3 decks36 decks
5%synergy
Rain of Filth
8.3%inclusion3 decks36 decks
8%synergy
Muddle the Mixture
5.6%inclusion2 decks36 decks
1%synergy
Frantic Search
5.6%inclusion2 decks36 decks
-12%synergy
Flare of Denial
5.6%inclusion2 decks36 decks
3%synergy
Brain Freeze
5.6%inclusion2 decks36 decks
5%synergy
Get Lost
5.6%inclusion2 decks36 decks
4%synergy
Angel's Grace
5.6%inclusion2 decks36 decks
3%synergy
Miscast
5.6%inclusion2 decks36 decks
4%synergy
Sorceries
Winternight Stories
100%inclusion1 decks1 decks
99%synergy
Sevinne's Reclamation
64%inclusion23 decks36 decks
55%synergy
Imperial Seal
50%inclusion18 decks36 decks
42%synergy
Windfall
47%inclusion17 decks36 decks
33%synergy
Reanimate
44%inclusion16 decks36 decks
29%synergy
Toxic Deluge
42%inclusion15 decks36 decks
22%synergy
Mnemonic Betrayal
22%inclusion8 decks36 decks
19%synergy
Cabal Therapy
19%inclusion7 decks36 decks
19%synergy
Diabolic Intent
19%inclusion7 decks36 decks
14%synergy
Beseech the Mirror
19%inclusion7 decks36 decks
15%synergy
Unmarked Grave
14%inclusion5 decks36 decks
12%synergy
Praetor's Grasp
14%inclusion5 decks36 decks
11%synergy
Demonic Counsel
14%inclusion5 decks36 decks
13%synergy
Yawgmoth's Will
11%inclusion4 decks36 decks
10%synergy
Dread Return
11%inclusion4 decks36 decks
8%synergy
Lively Dirge
8.3%inclusion3 decks36 decks
7%synergy
Peer into the Abyss
5.6%inclusion2 decks36 decks
3%synergy
Buried Alive
5.6%inclusion2 decks36 decks
1%synergy
Timetwister
5.6%inclusion2 decks36 decks
4%synergy
Transmute Artifact
5.6%inclusion2 decks36 decks
4%synergy
Utility Artifacts
The One Ring
67%inclusion24 decks36 decks
53%synergy
Wishclaw Talisman
67%inclusion24 decks36 decks
58%synergy
Vexing Bauble
11%inclusion4 decks36 decks
9%synergy
Mesmeric Orb
8.3%inclusion3 decks36 decks
7%synergy
Cursed Totem
8.3%inclusion3 decks36 decks
6%synergy
Agatha's Soul Cauldron
8.3%inclusion3 decks36 decks
8%synergy
Bolas's Citadel
5.6%inclusion2 decks36 decks
-4%synergy
Enchantments
Blind Obedience
69%inclusion25 decks36 decks
57%synergy
Chthonian Nightmare
56%inclusion20 decks36 decks
55%synergy
Touch the Spirit Realm
50%inclusion18 decks36 decks
47%synergy
Static Prison
36%inclusion13 decks36 decks
36%synergy
Seal of Removal
31%inclusion11 decks36 decks
30%synergy
Trouble in Pairs
31%inclusion11 decks36 decks
25%synergy
Ripples of Undeath
28%inclusion10 decks36 decks
25%synergy
Copy Artifact
28%inclusion10 decks36 decks
27%synergy
Second Chance
22%inclusion8 decks36 decks
22%synergy
Tinybones Joins Up
19%inclusion7 decks36 decks
18%synergy
Steal Enchantment
19%inclusion7 decks36 decks
19%synergy
Dance of Many
19%inclusion7 decks36 decks
19%synergy
Power Artifact
19%inclusion7 decks36 decks
19%synergy
Seal of Cleansing
19%inclusion7 decks36 decks
18%synergy
The Meathook Massacre
17%inclusion6 decks36 decks
13%synergy
Amphibian Downpour
17%inclusion6 decks36 decks
12%synergy
Necrodominance
14%inclusion5 decks36 decks
13%synergy
Aura of Silence
14%inclusion5 decks36 decks
11%synergy
Darksteel Mutation
11%inclusion4 decks36 decks
5%synergy
Grasp of Fate
8.3%inclusion3 decks36 decks
2%synergy
Attunement
8.3%inclusion3 decks36 decks
8%synergy
Charitable Levy
8.3%inclusion3 decks36 decks
8%synergy
Nowhere to Run
8.3%inclusion3 decks36 decks
7%synergy
Leyline of the Void
8.3%inclusion3 decks36 decks
7%synergy
Parallax Wave
5.6%inclusion2 decks36 decks
5%synergy
The Cruelty of Gix
5.6%inclusion2 decks36 decks
5%synergy
Imprisoned in the Moon
5.6%inclusion2 decks36 decks
-1%synergy
Curse of Silence
5.6%inclusion2 decks36 decks
5%synergy
Unable to Scream
5.6%inclusion2 decks36 decks
4%synergy
Out of the Tombs
5.6%inclusion2 decks36 decks
5%synergy
Opalescence
5.6%inclusion2 decks36 decks
5%synergy
Omniscience
5.6%inclusion2 decks36 decks
2%synergy
Energy Flux
5.6%inclusion2 decks36 decks
5%synergy
Planar Collapse
5.6%inclusion2 decks36 decks
5%synergy
Copy Enchantment
5.6%inclusion2 decks36 decks
1%synergy
The Tale of Tamiyo
5.6%inclusion2 decks36 decks
5%synergy
Leyline of Anticipation
5.6%inclusion2 decks36 decks
1%synergy
Scavenger's Talent
5.6%inclusion2 decks36 decks
5%synergy
Leyline Binding
5.6%inclusion2 decks36 decks
5%synergy
Seal Away
5.6%inclusion2 decks36 decks
5%synergy
Bloodchief Ascension
5.6%inclusion2 decks36 decks
0%synergy
Search for Azcanta
5.6%inclusion2 decks36 decks
5%synergy
Angelic Renewal
5.6%inclusion2 decks36 decks
5%synergy
Standstill
5.6%inclusion2 decks36 decks
5%synergy
Planeswalkers
Teferi, Time Raveler
50%inclusion18 decks36 decks
42%synergy
Utility Lands
Otawara, Soaring City
89%inclusion32 decks36 decks
70%synergy
Urza's Saga
58%inclusion21 decks36 decks
46%synergy
Emergence Zone
50%inclusion18 decks36 decks
48%synergy
Cephalid Coliseum
28%inclusion10 decks36 decks
24%synergy
Serra's Sanctum
25%inclusion9 decks36 decks
23%synergy
City of Traitors
25%inclusion9 decks36 decks
24%synergy
Phyrexian Tower
14%inclusion5 decks36 decks
10%synergy
Urborg, Tomb of Yawgmoth
14%inclusion5 decks36 decks
1%synergy
Minamo, School at Water's Edge
11%inclusion4 decks36 decks
7%synergy
Takenuma, Abandoned Mire
8.3%inclusion3 decks36 decks
2%synergy
Ancient Den
5.6%inclusion2 decks36 decks
-3%synergy
Hall of Heliod's Generosity
5.6%inclusion2 decks36 decks
-8%synergy
Bazaar of Baghdad
5.6%inclusion2 decks36 decks
5%synergy
Geier Reach Sanitarium
5.6%inclusion2 decks36 decks
1%synergy
Mana Artifacts
Sol Ring
100%inclusion36 decks36 decks
10%synergy
Arcane Signet
92%inclusion33 decks36 decks
4%synergy
Lotus Petal
86%inclusion31 decks36 decks
75%synergy
Talisman of Dominance
83%inclusion30 decks36 decks
34%synergy
Mox Diamond
83%inclusion30 decks36 decks
76%synergy
Mox Opal
69%inclusion25 decks36 decks
61%synergy
Lion's Eye Diamond
69%inclusion25 decks36 decks
67%synergy
Fellwar Stone
64%inclusion23 decks36 decks
30%synergy
Grim Monolith
50%inclusion18 decks36 decks
46%synergy
Talisman of Progress
42%inclusion15 decks36 decks
-1%synergy
Talisman of Hierarchy
36%inclusion13 decks36 decks
-7%synergy
Mana Crypt
31%inclusion11 decks36 decks
28%synergy
Jeweled Lotus
28%inclusion10 decks36 decks
26%synergy
Mox Amber
17%inclusion6 decks36 decks
11%synergy
Basalt Monolith
11%inclusion4 decks36 decks
9%synergy
Dimir Signet
8.3%inclusion3 decks36 decks
-24%synergy
Orzhov Signet
8.3%inclusion3 decks36 decks
-26%synergy
Azorius Signet
8.3%inclusion3 decks36 decks
-24%synergy
Lands
Command Tower
97%inclusion35 decks36 decks
5%synergy
Marsh Flats
97%inclusion35 decks36 decks
61%synergy
Polluted Delta
97%inclusion35 decks36 decks
60%synergy
Flooded Strand
97%inclusion35 decks36 decks
59%synergy
Misty Rainforest
94%inclusion34 decks36 decks
83%synergy
Scalding Tarn
94%inclusion34 decks36 decks
83%synergy
Tundra
92%inclusion33 decks36 decks
76%synergy
Underground Sea
92%inclusion33 decks36 decks
76%synergy
Verdant Catacombs
92%inclusion33 decks36 decks
81%synergy
Scrubland
92%inclusion33 decks36 decks
76%synergy
Bloodstained Mire
92%inclusion33 decks36 decks
81%synergy
Windswept Heath
89%inclusion32 decks36 decks
79%synergy
Arid Mesa
89%inclusion32 decks36 decks
79%synergy
Hallowed Fountain
89%inclusion32 decks36 decks
40%synergy
City of Brass
89%inclusion32 decks36 decks
74%synergy
Watery Grave
89%inclusion32 decks36 decks
39%synergy
Godless Shrine
83%inclusion30 decks36 decks
33%synergy
Mana Confluence
81%inclusion29 decks36 decks
67%synergy
Gemstone Caverns
78%inclusion28 decks36 decks
70%synergy
Undercity Sewers
50%inclusion18 decks36 decks
36%synergy
Exotic Orchard
50%inclusion18 decks36 decks
-9%synergy
Swamp
44%inclusion16 decks36 decks
-47%synergy
Island
42%inclusion15 decks36 decks
-51%synergy
Plains
31%inclusion11 decks36 decks
-61%synergy
Morphic Pool
31%inclusion11 decks36 decks
-4%synergy
Cavern of Souls
25%inclusion9 decks36 decks
18%synergy
Sea of Clouds
22%inclusion8 decks36 decks
-13%synergy
Meticulous Archive
22%inclusion8 decks36 decks
9%synergy
Shadowy Backstreet
11%inclusion4 decks36 decks
-1%synergy
Sink into Stupor
11%inclusion4 decks36 decks
-1%synergy
Vault of Champions
11%inclusion4 decks36 decks
-22%synergy
Prismatic Vista
8.3%inclusion3 decks36 decks
4%synergy
Raffine's Tower
8.3%inclusion3 decks36 decks
-33%synergy
Underground River
8.3%inclusion3 decks36 decks
-24%synergy
Talon Gates of Madara
8.3%inclusion3 decks36 decks
7%synergy
Forbidden Orchard
8.3%inclusion3 decks36 decks
6%synergy
Fabled Passage
5.6%inclusion2 decks36 decks
-2%synergy
Terramorphic Expanse
5.6%inclusion2 decks36 decks
-11%synergy
Urza's Cave
5.6%inclusion2 decks36 decks
4%synergy
Spire of Industry
5.6%inclusion2 decks36 decks
-3%synergy
Snow-Covered Island
5.6%inclusion2 decks36 decks
2%synergy
Shipwreck Marsh
5.6%inclusion2 decks36 decks
-15%synergy
Evolving Wilds
5.6%inclusion2 decks36 decks
-20%synergy
Snow-Covered Swamp
5.6%inclusion2 decks36 decks
2%synergy
Obscura Storefront
5.6%inclusion2 decks36 decks
-5%synergy