Wares of the Planes is a mod that introduces a large number of weapons and accessories from the Planescape universe to the Baldur's Gate series. The items can be purchased from a unique travelling merchant who is available throughout the whole game series. The mod is available for BG:EE, SoD, BG2:EE and EET.

Version 2.0 improves many existing items, adds several new items, and adds a new extensive quest to ToB.

You can grab the mod from the download link below.

Download: GitHub

Discussion: G3, Beamdog

Readme