Daria, Sly Snapcaster

: Daria can be your commander. At the beginning of your end step, put a loyalty counter on Daria for each card you've drawn this turn.
0: You get an emblem with "Whenever you cast an instant or sorcery spell, you gain 2 life and Scry 1."
-4X: Search your library for X instant and/or sorcery cards and exile them. You may cast them from exile by paying life equal to their mana value.