Clockwork Librarian

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{x}: Look at the top X cards of your library. If any of them are a Saga, you may reveal one, then add it to your hand. Put the other cards back in any order.
{2}, Sacrifice Clockwork Librarian: Add or remove
a lore counter from target Saga.