The NSFW Cadance challenge is Futaloo! Aka, Futa Scootaloo. 

30 minutes to draw, 15 to submit. 

Artists:
https://kittytitikittty.tumblr.com/post/174062744574/scootaloo-before-sleep-3
https://ltartzone.tumblr.com/post/158716500948/more-futa-variants-with-the-cmc
http://forsakenrenders.tumblr.com/post/177668725005/supraloo-july-partypick-lewd-gurl-chillin