First printed in Theros Beyond Death (2020)
All 7 prints
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Mystery Booster 2 (MB2) #175, 2024
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Secret Lair Drop (SLD) #1280, 2023
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Magic Online Promos (PRM) #79909, 2020 (digital)
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Theros Beyond Death Promos (PTHB) #73p, 2020
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Theros Beyond Death Promos (PTHB) #73s, 2020
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Theros Beyond Death (THB) #308, 2020
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Theros Beyond Death (THB) #73, 2020
Thassa's Oracle 
Creature — Merfolk Wizard
When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each in the mana costs of permanents you control counts toward your devotion to blue.)
Legality
- Legal in
- Pioneer, Modern, Legacy, Vintage, Timeless, Gladiator, Commander, Oathbreaker, Brawl, Competitive Brawl
- Banned in
- Historic, Duel Commander, Tiny Leaders
- Not legal in
- Standard, Pauper, Future Standard, Alchemy, Penny Dreadful, Premodern, Old School 93/94, Pauper Commander, PreDH, Standard Brawl
MTGO price: 0.07 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).
Staple
-
Legacy staples:
main deck, 7% of decks (#75)
Blue, Creatures -
Vintage staples:
main deck, 4% of decks (#148)
Blue, Creatures -
Commander staples:
main deck, 30% of decks (#83)
Blue, Creatures
Last 120 days of MTGO results and paper tournaments.
Combos
96 combos from Commander Spellbook, the most popular first.
- Exile your library, Win the game: Demonic Consultation + Thassa's Oracle
- Win the game: Tainted Pact + Thassa's Oracle
- Win the game: Doomsday + Thassa's Oracle
- Infinite card draw, Infinite draw triggers…: Enter the Infinite + Thassa's Oracle
- Win the game: Hermit Druid + Thassa's Oracle
- Exile your library, Win the game: Leveler + Thassa's Oracle
- Win the game: Thassa's Oracle + Thought Lash
- Exile your library, Win the game: Paradigm Shift + Thassa's Oracle
- Win the game: Divining Witch + Thassa's Oracle
- Exile your library, Win the game: Mirror of Fate + Thassa's Oracle
