Now to find him a name and convince him that the rest of you are packmates. Oh, and teaching him to stay still for the 'harmless pseudodragon' trick, he seemed to like stalking from hiding, so hopefully he'll take to hiding in plain sight.
[Share spell polymorph other, me into myself, Wyvern into Pseudodragon. As soon as he leaves my side the spell is broken and where there was cute little Pseudodragon there is now huge Wyvern of doom. Will also allow for small things to be quite filling food sources]