There's no right or wrong answer here - it all comes down to personal preference
While Shining Tyranitar has a bit of an issue by being in an undersupported type (as Dark-types and Steel-types were new and therefore had less love than older types in the TCG), this card was much beloved by many players, collectors, and other assorted fans of the franchise overall
The Premium Pass lets players open one extra pack a day
It's a great idea to start everyone off with just one set, from scratch, so there's a fairly even playing field at launch and the meta is still shaking out
Overlord of the Boilerbilges can either be a 6-mana 5/5 red creature that can remove something (or hit face) with its attack trigger, or just a burn spell for 4 mana
The bundle is set to release in late August and is currently available for pre-order at major retailers, including the official Pokmon Center