Talk:Stamp Card Pack 8/@comment-24.85.171.159-20130706030615/@comment-1321146-20130706051532

Simple.

You need 9 stamps to clear the sheet. The cheapest way to do that would be to follow this 3-day schedule:

For a total cost of  21480 gems.

The reason the third draw from the 12 Draw Pack is saved for last, is that you might get your MR card on the 7th or 8th stamp, and that might mean you don't want to do anymore draws, thus postponing the most expensive draw for when you need to make that decision.