The phrase "a time when cards" is correct and usable in written English.
It can be used when referring to a specific period or occasion related to cards, such as playing cards or greeting cards.
Example: "I remember a time when cards were the most popular form of communication during holidays."
Alternatives: "an era when cards" or "a period when cards".
Before radio, before phonographs, at a time when cards and dice were tainted in the popular imagination by their association with gambling, that first version of Life in some ways opened the modern age of in-home games.
At a time when cards almost always came in cigarette packs, Cracker Jack cards were the first mainstream set distributed nationwide in a product synonymous with baseball think, "Take Me Out to the Ball Game"— and catering to both adults and children.
In a time when credit card information, GPS signals, Fitbit data and cookies collect and share anonymous data continuously, it is a battle that few can fight.
Potcoin was originally designed as a way to give cannabis dispensaries access to banking services at a time when credit card companies wouldn't process payments for dispensaries due to the murky legal issues surrounding legalized marijuana.
From talking to Jay's friends, I gathered that there was a time when he played cards for a living.
The results are still presented five cards at a time; when you click on a card you can see the relevant details (including commentary from Facebook friends), save them if you're interested, and look at similar activities.
The latest evidence of mounting debt problems for some of the most vulnerable in society is shown in a report by the Institute for Fiscal Studies, on behalf of the Joseph Rowntree Foundation, at a time when borrowing on credit cards, loans and car finance deals returns to levels unseen since before the 2008 financial crisis.
It comes at a time when it and all card-payments companies have been evolving to compete in a mobile, fully cashless future against both incumbents and startups in the space.
Indeed, the banks are raising interest rates and cutting limits on credit cards at a time when the government is hoping consumers will use those cards to pump some life into the retail market.
There was a time when journalists held their political cards very close to the vest.
Still, the size of the Sears portfolio may make it attractive to some buyers eager to expand their card business, particularly at a time when the growth of consumer credit card spending has slowed.
