Thassa's Oracle [Theros Beyond Death Prerelease Promos] Duel Master's Guide you can Tribute Summon this

you can Tribute Summon this card with 1 Tribute

if this card negated an effect this way during this turn: You can Special Summon this card from your Graveyard

Set: Eternal Masters Type: Legendary Creature — Cat Giant Rarity: Rare Cost: {3}{W}{W}{W} Whenever Jareth

if "The Sanctuary in the Sky" is on the field

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} Whenever you activate an ability

Thassa's Oracle [Theros Beyond Death Prerelease Promos] Duel Master's Guide you can Tribute Summon thisSet: Theros Beyond Death Prerelease Promos Type: Creature Merfolk Wizard Rarity: Rare Cost: {U}{U} When Thassa's Oracle enters the battlefield, 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