How do you deal with problem players at conventions or your FLGS?

How do you deal with “bad” gamers in pick-up games at your friendly local gaming store?

Wow! Great question. I think “bad gamers” happen a lot, but rarely on purpose. What constitutes “bad gaming etiquette” for one group might not be the same for another. The MtG players who are yelling and screaming at the top of their lungs at each other are having the time of their lives in their own microcosm.

So, let’s dive into this shall we? If