This shortcode shows products affected by simple rules only.

It supports same parameters as WooCommerce shortcode [products]  -  read more

1. You must enable this shortcode at tab >Settings>Rules

2. Create  simple rule, it  uses  only one "Product filter" +  "Product discount".   You must select operation "in list"!

3.  Click button to rebuild list of products 

4. Create new page and put this shortcode.