The Spirit of Nature Oracle, by John Matthews, with 25 cards by Will Worthington (of The Druid Animal Oracle) draws upon the wisdom of the trees and ogham lore.  Each of the cards represents one of the ogham trees and is painted in such a way as to look alive and watching the diviner.  There are certainly real tree spirits looking out of the cards! The accompanying book draws upon the lore of the trees and the wisdom of the Green Man.