Clockwork Librarian

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{x}, {t}: Look at the top X + 1 cards of your library. You may reveal a Saga from among them and put it into your hand. Put the rest on the bottom of your library in any order.
{2}, Sacrifice Clockwork Librarian: Add or remove
a lore counter from target Saga.