Last but not least
Definition 1 of 1
Pro Tip 1/3Equal Importance
Indicates that the last item mentioned is just as significant as the previous ones, despite its position. 
The prizes include a car, a trip to Paris and, last but not least, a cash prize.
Pro Tip 2/3List Sequencing
It's mostly used at the end of a list to emphasize the final item. 
There are several key points to address: cost, time, and, last but not least, quality.
Pro Tip 3/3Attention Grabber
This phrase acts as a signal to listen carefully to what is coming next as it's important. 
We must thank the staff, volunteers, and, last but not least, the community for their support.