These really only need one thread.
Reflect and Light Screen can be some pretty useful moves; however due to the quirkiness of the attacks they appear on gimmicks lots of the time. For example Memento and Dual Screens Gardevoir used to be fantastic in NU to support Linoone and Clamperl while they set up. These moves are also great for offensive teams - get a Pokemon such as Uxie with Light Clay to set up the screens and U-Turn out, then send in a Glass Cannon who can now actually survive some hits to begin a bit of a mini-sweep. Reflect deflects physical attacks, Light Screen special.
Reflect and Light Screen can be some pretty useful moves; however due to the quirkiness of the attacks they appear on gimmicks lots of the time. For example Memento and Dual Screens Gardevoir used to be fantastic in NU to support Linoone and Clamperl while they set up. These moves are also great for offensive teams - get a Pokemon such as Uxie with Light Clay to set up the screens and U-Turn out, then send in a Glass Cannon who can now actually survive some hits to begin a bit of a mini-sweep. Reflect deflects physical attacks, Light Screen special.