Back in the old days of Magic (like ten years ago), single card prices were based mostly on their age, availability, and playability
The Pokemon TCG is more than just a game for some, as collecting including buying, selling, and trading cards is just as common as actually playing against your friends
The price will fall, but I think there will be just enough demand to keep it from plummeting too far down
Once sorted by set, arrange the cards numerically based on the numbers printed on the bottom left or right
If you do, the effect won't end even if a player rolls a 1, though if that happens, the effect will end as soon as Grand Marshal Macie untaps