I'm not sure if this was already posted but there is a new NoK event coming out soon, not saying that your/I'm gonna trade it or anything. Don't believe me?
https://www.nintendo.co.kr/DS/soft/PokemonDP/collect_notice03.php
Click the above URL, it'll lead you to the page.
https://www.nintendo.co.kr/DS/soft/PokemonDP/collect_notice03.php
Click the above URL, it'll lead you to the page.