Aqua, Water Goddess

Hexproof
Aqua, Water Goddess can't be blocked by black creatures.
Aqua, Water Goddess' power is equal to your
devotion to blue. (Each {u} in the mana costs of permanents you control counts towards your
devotion to blue.)
{2},{u} Deal {x} damage to target creature where {x} is equal to your devotion to blue.