Click the Link...This website will give you any Pokemon you ever wanted... with any moveset, stats, item, and ability...More Like This
For Black/White: http://pokecheats.net/pokesav/bw.php
For Black2/White2: http://pokecheats.net/pokesav/b2w2.php
For HeartGold/SoulSilver/Diamond/Pearl/Platinum: http://pokecheats.net/pokesav/gen4.php
In order to work this, you have to be able to go online with your games. Then, in the Wi-Fi settings, change the DNS settings and enter in the following code: 18.104.22.168
Once that code is entered, you will be able to get any Pokemon you wish! You can also get any event Pokemon!
Have fun, fellow Pokemon fans!