MyCloud 2TB been formatted to OSX Journaled. What to revive It

Welcome to the Community.

It may be possible to revive your NAS, but you’d need to follow the instructions in the following thread:

http://community.wd.com/t5/WD-My-Cloud/GUIDE-Debrick-a-completely-dead-MyCloud/m-p/704480/highlight/true#M10660

However, you will need the proper tools.