You can get Pack Hourglasses via Daily Missions, purchased in the Shop, received for free in a Daily Gift, completing Guide missions in the Battle section, level up reward, and as a reward in the Premium Missions
When you pair this with traditional reanimate cards, you can effectively play the same creatures multiple times
Either way, given the stores will have paid far less than theyre worth when theyre traded in, and are then being sold back in boxes that the majority of the time charge twice as much as the contents are worth, its clearly a very profitable venture for the company
This makes the binder a little less secure compared to a zipper, but for most situations, the strap will be enough to secure the binder
In many ways it is the opposite to Sphinx's Revelation, instead of paying mana and gaining life you lose life and pay no mana