Nereid of Icaria

Bestow {1}{u}{g} (This card is an aura until removed)
Enchanted creature has +1/+1.
If bestowed, enchanted creature has these abilities otherwise held by Nereid of Icaria:
{1}{u}{g}: If Nereid of Icaria dealt combage damage to a player this turn, shuffle the top instant in your graveyard into your library. The next one gains flashback until end of turn for its mana cost.
If Nereid of Icaria detaches to become a creature, pay {2}{u}{g} or return her to
your hand.