As Shy has said, a combo for depression and anxiety is very common. I have heard of a lot of people who take Effexor and Lamictal together but have not taken it myself. I am not sure about Abilify, I might know it as a different name (being in the UK) or perhaps it is just one I have not heard of. It sounds like your psych is looking to get you on meds that work before starting therapy which I think is sensible.
Let us know how you get on