I have not saw this drop yet, or sold.
http://wiki.project1999.com/Ro's_Fiery_Sundering
Dont mention anything about added later in velious like other druid spells.
Example:
http://wiki.project1999.com/Nature%27s_Touch
http://wiki.project1999.com/Chloroblast
As it says in the wiki, both of those are added a couple months after SoV launch.
Any information on RFS would be appreciated. Thanks in advance for your time