<p>Edge of the Night Sky Jirachi was distributed in North America to players of Diamond/Pearl/Platinum. This Jirachi, when traded to HeartGold/SoulSilver unlocks a special <a href="http://pldh.net/guides/heartgoldsoulsilver/pokewalker" class="linksred">PokeWalker</a> course called Edge of the Night Sky.</p>