Great Baggi, Cunning Usurper

Whenever Great Baggi, Cunning Usurper or
another Great creature card enters the battlefield,
you may discard a card and search your library for a
Great creature card. Reveal it and put that card on
the top of your library.

As long as Great Baggi, Cunning Usurper is on the battlefield all other Great creatures you control
get +1/+1.