Here's my idea on the two. I'm better at movesets and possible items than natures and EVs.
Item: Occa Berry
Item: Charti Berry
Got Pokémon X. Intend to get either Omega Ruby or Alpha Sapphire.
No info about my Friend Safari.
Vivillon Pattern: Polar
Looking for nicknamed, shiny, and/or have a hidden ability in GTS and may battle at anytime.
If interested, send a private message with your ID #.