Dale allows you to bring back a bara card from the discard pile. Can u bring back an event card that is house bara only or does the card have to have a bara crest on it to be legal.

It has to have the crest.

Yes, it has to have the Baratheon House affiliation printed on it - i.e., the Baratheon shield in the upper right-hand corner.

Be careful about calling this the "crest," since crests are something else entirely in the game.