Hey @lenonmc21 ... this means that at the end of the set's release (which should be about 1 year from launch), then there will be a cutoff date to use your unbinding scrolls of 30 days.
So basically, once the set is finished printing, then there will only be 30 days to unbind any soulbound cards. So players have a full year and then 30 days later to unbind any that they want to trade or move around. If the cards stay soulbound in the account for the total print run and then 30 days after that, then they will forever be soulbound to the account.
Does this answer clear it up?