Thassa, God of the Sea
Legendary Enchantment Creature - God | Power/Toughness: 5 / 5 (CMC 3)
As long as your devotion to blue is less than five, Thassa isn't a creature. (Each in the mana costs of permanents you control counts toward your devotion to blue.)
At the beginning of your upkeep, scry 1.
: Target creature you control can't be blocked this turn.