As someone who isn't incredibly good with visual effects, I'm pretty impressed.
The only complaint I have here is that I kind of feel like I've seen this particular sort of scene quite a few times before, it isn't very original. But then again, it is quite hard to come up with original ideas because most of the good ones have already been used up.
I really like the colours, they stand out really well and I spotted them right away. I definitely like your style, it looks a lot like the design of the actual show, but with a few little tweaks that make it different
It's obvious that you've put heaps of effort into this and you're really good (Drawing this many ponies overlapping each other is very hard) it's definitely cute as hell, so very good job.