We have the technology.
CAP Head Mod
Reserving Ninetales and Espeon, if that's cool.
I think it's best that you leave Jirachi's revamp to someone more experienced. It's a huge analysis and is quite a daunting task to revamp, not to mention its one of the most important Pokemon in OU. No offense intended to you or your writing ability, but I'm just recommending you to start with something easier...Alright, Jirachi's mine then.