Mirostel of Song and Sea

Mirostel of Song and Sea's toughness is
equal to your devotion to blue.
When Mirostel enters the battlefield, create X
Melody tokens, where X is your devotion to
blue. (They're enchantments with
"{3}, Sacrifice this enchantment: Each opponent
draws a card, then you draw cards equal to your devotion to blue.")
When you sacrifice a Melody token, scry 2.