Type

Legendary Enchantment Creature — God

Oracle Text

Indestructible\nAs long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)\nAt the beginning of your upkeep, scry 1.\n{1}{U}: Target creature you control can't be blocked this turn.