Any type of 1 day tournament with full cover really.
I would much rather have an amazing one day event, then have it stretched out over 7-8 weeks long.
everyone saying longer season doesn't quite remember how that went last time we did it. The intention and ideas are there and on paper it makes sense, but in practice a longer any type of season is just a bad idea.
Bring back a ladder style ictf so you can stay on the same team permanently. A moderated ladder where you can somehow prevent a way from a team from stacking(all-star only) would be ideal.
but more important, bring back KOTR