Pokémon Adventures: HeartGold and SoulSilver Vol 1

From the VIZ Media edition

Your favorite Pokemon Trainers Gold and Silver are back! Crystal too! And so is Team Rocket... Troublemaker Gold and feisty Silver must team up again to find their old enemy Lance and the Legendary Pokemon Arceus. Meanwhile, Team Rocket is on the rampage digging up, stealing, and collecting 16 mysterious plates for some nefarious purpose known only to them... What is the hidden power of the 16 plates, and what do they symbolize...?

Source: Anime News Network Encyclopedia