The content of the Prebuilts can be found collected here.
Just browse the pages and you will find all the prebuilts, there is no index as of yet, but every single one of them is shown in the thread.
As for mirage master, you can only get gran once per day from it. As of now you can't get any FM from it anymore though.
And for more questions we have this thread.
"Abandon all hope, ye who enter here" - Inscription above the gates of Alteil
Romdeau wrote:I don't have much else to say to you other than you live in your own world if you believe I have active enemies around Alteil besides from Demongod.