#Splinterlands is definitely changing up the way things are being distributed. The Chaos packs are going to be $4 instead of $2 first of all. And these vouchers will be earned over a 30 day period based on the number of SPS you have staked. You'll receive them every day over the presale period, which, as I said above, starts Oct 18th.

It looks like you'll get around 1 voucher per day per every 3000 SPS you have. That's a rough estimate based on 100M SPS staked. You'll collect those vouchers, which can also be bought and sold on H-E it sounds like, during the presale period (30 days) which will end Nov 17th. There will be one more week after that to buy and sell vouchers, and then it looks like you'll finally be able to open them around Thanksgiving when the rest of the packs go on sale. 1M presale packs and then another 14M packs available after that.