I wouldnt, mostly because Nepenthes quickly out grow any terrarium they are put it. Also, i dont believe Nepenthes are epiphytes, or else one could grow them in similar substrate as Dendrobium orchids, which i havent heard anyone do. They're vines, ultimately, so i dont think they would adapt very well to being epiphytes. It'd be interesting to see if you could pull it off, however, and there's no reason other than the size issue to not put a Nepenthes in with your lizard anyway, in, you know, a pot.

Yeah, the lizard is a green anole and the pitchers on N. ventricosa stay relativly small. Oh well, I have a butterwort, vft and sarracenia purpea ( both of which are in dormancy currently)