Callaphe, Beloved of the Sea
{1}{U}{U}
Legendary Enchantment Creature -- Demigod
*/3
~this~'s power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
Creatures and enchantments you control have "Spells your opponents cast that target ~this~ cost {1} more to cast."