I have trail pedals on my road, gravel and trainer bikes and flats on the full suss MTB. In the past I’ve used the much smaller SPD pedals but just found I like the bigger trail versions.
I’m running Sidi Eagles with them and Bontrager Forays which seem stiff enough. I always use the bontrager inform insoles after trying them on a friend’s recommendation.
Like many I’d like to buy Lake but they seem pretty expensive…
I dont subscribe to there being much if a difference in terms of support and power - just try them and see what feels comfortable. Maybe try in the pay it forward thread there must be heaps of users with a set or two of spare pedals kicking around for you to try. They may not be pristine but good enough for a test…?