Julianos, the Wise

As long as you have less than 5 cards in your hand Julianos isn't a creature.

You may look at the top card of your library any time.
As long as Julianos is a creature you may play instant and sorceries from the top of your library.

Whenever you cast an instant or sorcery from the top of your library, copy it. You may choose new targets for the copy