Projectile Spam. It isn't really hard to deal with in my opinion (unless your Mega Man). However, I still find it frustrating to play against, mainly because if my opponent just sits there and spams the match is going to be tedious, not only that but it's just something I find on FG way too much. I mean I haven't found a single Link that doesn't spam projectiles half the match in FG.
Oh yea, and Zero Suits basic combos. Predictable, but its effective. Grab+ A couple of up airs+ up special. If your someone with a huge hitbox like R.O.B...then lets just say you are probably going to have a bad time.