Of course with the massive revisionism going on in Methodism today it is more likely a progressive pastor would use some form of liquid pot. She might even lace it with blood for authenticity sake. http://www.salvationanointed.com/about-the-church/the-holy-herb-cannabis-sacrament-of-the-religion-of-jesus-church/
There was an article posted on FR a few weeks back in which the author advocated marijuana use “because Jesus created it.” That was from a “progressive Christian” site, so I would be surprised that there are those who advocate it use in “worship.”