Can rman backup files be used as source to clone(update) existing databases on a second server, if t

Looking at changing the way we currently clone (update) our test databases located on a second server, basically the method we are using now is to .1.shut do database 2. copy and uncompress/rename the data files from the cold backup of the source database to the target database file system on the second server, 3. run script that creates control files and temp file and then restarts the target database. We are now looking at moving to using hot backups using rman, and using the level 0 backup files as source for the cloning the databases located on the 2nd