There are a lot of myths and old-wives tales on how to best take care of your cards, let's use this topic to provide REAL ways to keep your decks in pristine condition.
This is what you are probably are looking for:
http://hwcdn.net/u7n2x8t6/cds/JerrysNug ... _guide.pdf
This was written by Lee Asher (http://www.leeasher.com) for taking care of Jerry's Nugget cards but it really applies for all decks. Lee has a great little collection of tip and tricks for your cards here also: