Are you guys from the /r/philippines subreddit and trying to find a new home? Or, you just want to start a new #Philippines community in the #fediverse network?
So, keeping @[email protected] is perfectly fine, you don't really have to move. The more communities we have in other instances, the better. Redundancy and continuity.
It means that, if one community hosted in a different instance goes offline (temporarily or permanently), the other Philippines communities in other instances are still intact. Those affected can move to the other existing communities. It happened before (an instance went offline, temporarily) and it almost happened again (permanently).
However, if you are the /r/philippines subreddit, since you have an existing community you are migrating over to the fediverse, then yes, choose the instance you want to be hosted on. One where you can get a guarantee that they will do everything they can to stay online for the next 20 years. Otherwise, you risk breaking the community if the instance suddenly goes offline.