Byss and the Deep Core, Part 1: Byss is the first entry in the Planet Hoppers Byss and the Deep Core article series, written by Rodney Thompson and released on Wizards.com on April 14, 2005. The article discusses the Deep Core planet Byss.
External links
"Byss and the Deep Core, Part 1: Byss" on Wizards.com (content now obsolete; backup link)