Thassa's Oracle [Theros Beyond Death Prerelease Promos] Island Swamp Mountain each opponent loses X life

each opponent loses X life and you gain X life

Valley's Voice gets +X/+0

Each opponent loses life equal to its mana value

cards on your field is at least 2 less than the number on your opponent's field

Thassa's Oracle [Theros Beyond Death Prerelease Promos] Island Swamp Mountain each opponent loses X lifeSet: 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