@ Kreistor: Yes, the "Full day's supply of Luckamancy" makes perfect sense, in how you mean. He offers luck to Bogroll before the veil is used to trick Ansom, and it's fairly 'lucky' that no Archon mentions it before Ansom falls for the trick.
However, it doesn't seem like parson is a caster himself, having not casted any spells with the special words like "Hoboken" or "Scruby". It seems like the luckamancy charms were just a one time use item, like a one-charge wand.

I still think of Parson as BEING a spell, which would allow him to exist as long as Stanley (and Wanda?) are alive. Sort of explains the "special" stats about him he read on that list of troops. We don't know much about summoning yet, so we can't really guess accurately. I DON'T think he's a hippiemancer, that's just Janis protecting him. I wonder why...