Open the server to the public labled "Robi's Freebuild!"
Don't do this, spawn in a bot dog that is invincible and have someone join.
The people I recommend joining are:
Me (Snack Nsack Chocolate)
Meta Knight
ThunderStrike
SteamPunk
Brian the Brain (Not a real blocklander but hey, it works, right?)
You only have to choose one or two, all of them could work, but one or two will do.