from punch 2, blade, blade 2 or blue 2 is $49/€49/£42 (non-upgrade deal price is $199/€199 vs $373 normal) until 31 Dec 2020.
Sound Design-X contains Blade 2, Blue 2, Punch 2 (also punch-bd/prisma/rp-amod fx) - see
https://www.robpapen.com/SoundDesign-X.html
available at most resellers earning additional loyalty cash
(also then entitles upgrade to explorer 6 for $99/€99)