https://luckypaper.co/articles/how-heirloom-blade-made-me-a-better-cube-designer/

This is another article that I've wanted to write for a long time: the lessons that Heirloom Blade taught me as a cube designer, a card that I caught early as a card for cube and continued to learn lessons. Much thanks to @parker.luckypaper.co for the help on this. :)