Welcome to this side of the hill, Either of those make a fine tamper
or in a pinch I've used an unsharpened pencil also.You're right in
expecting a bit of corn taste untill you get a good char in your cob
but then that cob will be great for almost any blend you want to try.
I'll 2nd the Nightcap, that's a great blend for the transition from
cigars. If you can, try Old Joe Krantz, strong flavor and a medium nic
hit.