Thassa's Oracle
Mana Cost:
Type: Creature — Merfolk Wizard
Oracle Text:
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 {U} in the mana costs of permanents you control counts toward your devotion to blue.)
Power/Toughness: 1/3
Rarity: rare
Prints: View all prints (1) →
Expansion: Mystery Booster 2
Price ( USD): $21.88
USD: $21.88 · EUR: €14.21
Public Decks Using This Card
No public decks are currently using this card.
Character Background
Thassa’s Oracle is a quintessential combo finisher that leans into high devotion and library manipulation rather than tempo or aggro; its enter-the-battlefield trigger turns devotion into literal victory when your library is small enough, so it slots best into combo or control-combo shells that can either exile or drastically reduce your deck (Demonic Consultation, Tainted Pact) or that generate overwhelming blue devotion. The merfolk-wizard flavor fits a knowing oracle peering through the sea of cards, and mechanically its cheap {U}{U} cost plus 1/3 body means you can reliably drop it as the payoff once your setup is ready. Deckbuilding tip: prioritize zeroing or thinning your library and include tutors/instant-speed library exile effects, a few protective counters (Force of Negation/Pact of Negation style answers) and cards that raise devotion (other blue permanents or gods like Thassa) so the trigger reads the right X. Avoid relying on value or aggro lines; treat Oracle as a one-card win condition in a combo-focused shell with redundancy for both assembly and protection.
Generated using gpt-5-mini · Updated at 2026-05-16 15:40:47 UTC