Well... Altera needs more rollouts. Once true defi features are out, we will see an increased interest in it and VSC.
Conclave Arcana needs an end of the presale with some fireworks to light some fire into people and have something to promote for the beginning of the general sale.
Sure, things like the campaign mode and the mobile apps will help onboarding and retaining new users a lot, compared to the present/past days. Also, the fact that they can play most of the game without a paywall almost at the beginning. All these things and everything the Splinterlands team has done this year should matter in various degrees to the success of the new set and the marketing campaign.