Berardi uses his right foot more often than Dybala, still not that much but he use het if it is necessary, Dybala is always searching for an option with his left foot. I saw also some crosses with Berardi's right foot, they weren't bad at all but it wasn't obviously as good as with his left.
I want to see this next year, christmas tree formation:
Morata
Dybala - Berardi
And in Champions League Mandzukic as deep attacker for the experience.