Re: http://www.smogon.com/forums/threads/pok%C3%A9mon-xy-leaks.3489007/page-251#post-4877979
Just back up / restore your save state. This should be relatively easy if you're using the downloadable version. If you're using the cart, this should do it: http://www.amazon.com/NDS-Adapter-Plus-Nintendo-Windows-PC/dp/B007QVG3LG/ref=sr_1_1?ie=UTF8&qid=1381430110&sr=8-1&keywords=nds+backup+adapter+plus
Just back up / restore your save state. This should be relatively easy if you're using the downloadable version. If you're using the cart, this should do it: http://www.amazon.com/NDS-Adapter-Plus-Nintendo-Windows-PC/dp/B007QVG3LG/ref=sr_1_1?ie=UTF8&qid=1381430110&sr=8-1&keywords=nds+backup+adapter+plus