RE: I don't quite understand Luxrays PokePower.
Luxray comes into play when envolving
If your opponent have 4 benched pokemon or less...
If yes - you search your opponent hand for a basic pokemon, then bring it to the bench then switch it with your Active Pokemon
If no - nothing.
http://s244.photobucket.com/albums/gg24/donzard/
Have a look there and black lines on these images were for anti-theft cause I do not want them on banners without my permission. Sorry.