Forum:Are Altered Art Cards legal to play?

Many people alter their cards to look more personal or extend their art. I think that these cards look amazing and I would like to try it. I have heard that these cards are legal, as long as crucial information (effect, stats) is not covered up and the card can not be considered as marked (i.e. a card is significantly thicker due to the paint), but I wanted to make sure before I attempt such a project, as a friend of mine told me that these cards are always illegal and can only be used in casual duels. --BronzeJohnson (talk • contribs) 10:02, September 8, 2014 (UTC)