The number of cards printed has seen a more than 150% increase in the last decade in part due to move from thematic three-set blocks on a single plane to larger individual sets.
A line chart showing the number of Magic: The Gathering cards printed each year from 1993 to 2002.
In 1993, the number of cards released was roughly 1,500. There is a sharp increase beginning in 2018 when Magic moved from three-set blocks to large individual sets.
As of August 2022, there have been more than 5,000 cards released this year.