It's highly possible that the game will continue to top the charts as there are still a lot of cards to collect per booster pack, with more underway.
Then, shuffle the rest of the deck and put it face-down on the Scenario Deck section of the playmat
As always, we'd also recommend that, if you're making a big purchase (even if it seems like a great deal), find out as much information as possible in advance about both the product(s) and the seller, and physically check out the packs before purchasing, if at all possible
*screws are not included, you can decide what mounting method you need
Wizards efforts to bolster whites weak points, namely in ramp and card draw, have done a lot of work to improve white commanders