Night Sky's Edge is a Pokéwalker course obtained by trading the Jirachi obtained from the Pokémon Diamond, Pearl, and Platinum Event At GameStop. It allows you to capture rare Pokémon with special moves like:

• Munchlax with Selfdestruct
• Magikarp with Bounce
• Horsea with Muddy Water
• Bronzor with Trick Room
• Duskull with Imprison
• Beldum with Zen Headbutt, Iron Defense, and Iron Head.