Hey! Welcome to PokéBeach! I replied to your question regarding the Mega Stone here. I moved it, since it's off-topic to ask for trades in a thread to other members than the thread owner. If you have questions or need help around the forums, you can always ask! 
Since you play the video games, you might be interested in the Sky Battle tournament we're planning. The thread can be found in Online Play!
Since you play the video games, you might be interested in the Sky Battle tournament we're planning. The thread can be found in Online Play!