I guess all the hunter mains know this already but the alts amongst us may have missed it.
Hunters can regain some of the functionality of old glyphs (fetch/play dead) by heading out to Sholazar Basin and visiting Mardan Thunderhoof at the Nesingwary Base Camp, He has a hunter toy and aspect of the beast book too.

source
http://eyesofthebeast.com/2016/07/get-p ... zar-basin/

Theres stuff for other classes too on various vendors
https://dvsgaming.org/world-of-warcraft ... h-vendors/