Board Thread:Support Requests - Getting Technical/@comment-4904721-20130625060039/@comment-1158325-20130625070254

You could try RandomSelection, which is enabled by default: $1 has decided on the puma panther shirt. But I'm not sure if it would have a different effect. I'm not familiar with how chat works, but I would assume that it inserts the result of parsing the MW page as text rather than inserting live code, so it can't be updated. If that's the case, you'd need a script to do it.