Jace, Cunning Castaway

+1: Whenever one or more creatures you control deal combat damage to a player this turn, draw a card, then discard a card.

?2: Create a 2/2 blue Illusion creature token with "When this creature becomes the target of a spell, sacrifice it."

?5: Create two tokens that are copies of Jace, Cunning Castaway, except they're not legendary.