Illuminator of Dreams

When Illuminator of Dreams enters the battlefield, you may search your library for a creature card with dream, put that card into your graveyard, then shuffle your library.
Dream abilities of creature cards in your graveyard cost {2} less to activate.
"The Dream is not something that can be studied from
a distance. You must breathe its wondrous air, become one with its unreal flow, before you can even obtain a hint of understanding."