Skyridge Single Cards released May 2003 is the sixteenth set of cards from the Pokemon Trading Card Game. It comes after Aquapolis and before the EX Ruby and Sapphire. Its symbol is a pair of mountains with a halo around the taller one. This set is the last of three to extensively use the e-Reader: By scanning a dot code found on the bottom of all of the cards and the sides of some, the e-Reader can display patterns, produce sounds, or other various novelties. This is the last set published by Wizards of the Coast.