ya I think your headed in the right directions, I'd take a look at that website Rhodium suggested if you haven't already
make sure you sterilize the fuck out of it , bird seed needs heat and pressure to sterilize the inside of the grains,
use pressure cooker
85 may be a little high i'd go with upper 70's low 80s you have a hygrometer right? if you don't, get one.
spore prints contain a whole lot more spores than pre-made syringes, transferring prints into syringes isn't for the newbie, in some cases people just scrape spores onto they're casing medium and mix it up.
p.s you can get a electric thermometer / hygrometer at a certain shack that starts with a R for around 20 bucks