Sacred Wolf

When looking for Hexproof creatures in the current standard, Sacred Wolf is not listed with them.  When going to the Sacred Wolf page - http://deckbox.org/mtg/Sacred%20Wolf - , it only has the M11 text which does not explicitly say Hexproof so being excluded is understandable, but the M12 text does say Hexproof and I would think it should be searchable.

What other cards are potentially left out of searches due to rules text changes?