Sailor Mercury, Wise Mind

Adamant: if 3 blue mana was spent to cast this
spell, Sailor Mercury gets +1 / +1.
{t}: Add {u}{u}.
{1}{u}{u}: Scry 2, then draw 1 card.
{4}{u}{u}: Look at the top 5 cards of your library.
Put 1 into your hand and the rest back anywhere
in your library.