The phrase "real draw" means something or someone that attracts a lot of attention or interest.
Sentences with «real draw»
Wow, real drawing on paper, we remember that! (gamesetwatch.com)
The Gothic hand - drawn art - style is one of the games real draws. (videogamesuncovered.com)
It's important to note at this point that music can quite often be the only real draw for a student who, for whatever reason, has disengaged with school life. (educationbusinessuk.net)