These are my go to cards since I got my spark. They are inexpensive and reliable. This is a great price too.
https://www.amazon.com/dp/B06XWN9Q99/ref=twister_B071R715MZ?_encoding=UTF8&psc=1
https://www.amazon.com/dp/B06XWN9Q99/ref=twister_B071R715MZ?_encoding=UTF8&psc=1