Actually I don't know, for a card game I think it is normal to have packs to buy on the site.
Riftwatcher is not for the company, so we are not in a rush to sell them.
If a wave of player is coming before rebellion, it is good they can purchase something and contribute on the ecosystem.
I undestand the scarce side of thing, but it is maybe a little too soon.
I can vote yes for a proposal which burn packs like a timer before the launch of Rebellion, but I don t want the store empty for months before the new set