Jara, Family Matron

The first assassin spell you cast during your
turn costs {w}{u}{b}{r} less to cast.
When Jara, Family Matron enters the battlefield,
you may search your library for a noncreature
assassin card, reveal it, and put it into your hand.
Then shuffle your library.
"Welcome to the Family. You must be eager for your
first contract, and you shan't wait long. This one
should suit your skills quite well."