Enhanced leaf is like straight DMT.
Changa by definition refers to smoked dmt+maoi.
Nothing wrong with enhanced leaf, it also has the benefit of being much easier for most to smoke and handle.
On the topic of SSRI+RIMA:
While
absolutely not saying it's safe, I'd think that by now there should be anecdotal evidence floating around about SSRI+changa as so many people are on SSRI and changa is gaining popularity.
Found this, abstract points in the direction that SSRI + RIMA might not kill you after all:
http://www.ncbi.nlm.nih.gov/pubmed/7675971