Adidas has this year's Reverse Retro jersey and a '73 Team Classic jersey at 40% for Adiclub Members which is free to sign up for. Sizes are limited, but they are a great deal if they have your size.
Team Classic -
https://www.adidas.ca/en/flames-73-t...ey/IC8118.html
Reverse Retro -
https://www.adidas.ca/en/flames-auth...ey/HP1002.html