ehm, On gamefaqs.com there is savefile with every DLC, but is already has Lunatic Reverse unlocked. It is in .duc, but I could upload it to my patched rom in Desmume with no problem.
http://www.gamefaqs.com/ds/997174-fire-emblem-shin-monshou-no-nazo-hikari-to-kage-no/saves
That's the only Savefile I could find, and the one I'm using.