Amazon has the "BSN SYNTHA-6 Whey Protein Powder, Micellar Casein, Milk Protein Isolate Powder, Vanilla Ice Cream, 48 Servings (Package May Vary)" on sale with free Prime shipping. Looks like it may be cheaper than last month’s deal.
$25.28 after 15% S&S discount if you add 5 items to your S&S
$29.74 without S&S
https://www.amazon.com/dp/B002DYJ1C4/