Diagram for everyone else 
Since you've had success using this in speed chess, could you elaborate the main point? It doesn't look like black is really threatening to capture on c3 or on b2 yet. If I was white, my instinct would be to just ignore this and develop with Bd3 and castling, but Bd2 is a natural response as well.
Good strategy
Putting up a board is super easy on this site. Its literally the leftmost button over the textedit area of the posting. Setting a friggin link is harder (to the right in the same line of controls).
So yeah, I dont get the point of this thread.
This is a self-trap, I guess.
4...e6 limits the Bc8 for no good reason, and 5...Ba3 is just a loss of time, as it carries no threat. White can simply play 6.Bc4 and the Ba3 has to move sooner rather than later, losing more time.
Even if white takes the bishop (objectively a bad move) he should still have some advantage due to his bishop pair and lead in development.
E4
D5
ExD5
Qxd5
Nc3
Qa5
D4
E6
Nf3
Now is the trap!
BA3!!
This should not be used in classical as it waste’s a tempo but could be used in blitz (i have suprised Many opponents) gl using it!