While the second and third abilities of Champions from Beyond have "Party" in their flavor words, neither of them refer to a player's party (a mechanic from previous releases that also uses the term "full party")
For tempo, we have Mechanozoa, a 5/5 with the new Warp mechanic
I don't know, but either way I suspect Starting Town will find its way into a many multicolored decks for its versatility
However, he also shines as a part of a deck that uses these mechanics, and the potential power spike from being put into something like a Laughing Jasper Flint deck is well worth looking at for any player already playing said deck
Some major companies, like Dicks Sporting Goods, occasionally host giveaways and raffles, too
I encourage you to play around with the calculator and become familiar with it