The ones in hotels and motels do. They are basically the same magnetic stripe card as a credit or debit card.
I think it is a lifetime card, so YES.
Nowhere, it is still in use.
No. My Sam's club membership expired, but I still retain and use my Sam's Discover card.
Yes
If you used a treasure card in a battle, it is gone, but that doesn't mean you are never allowed to cast it again. If you still have enough money you can buy another treasure card of the same thing and still use it.
no
It means you will be prosecuted by law if you are still using the card
On average hotels and motels use 21,500 gallons per day.
Roman numerals are still in use in the science field as well as to signify the Super Bowl year.
As a drinks coaster maybe. Otherwise no.
I think you have them, but you just cant use them again