They'll both be tier 1 imo, but all the current tier 1 decks will still give the lostgar strategy a run for its money. I personally would just go the speed lostgar route and take the horrendous matchup against vilegar while every other non-trainer lock deck eats dust.
Have you tested matchups? I was just wondering because you are one of the very few to have brought up the lostgar vilegar matchup. Based on descriptions of lostgar on pokegym, it doesn't seem to me that vilegar would give it that hard of a matchup.