Read more about Shadowlands ➜ https://worldofwarcraft.mgn.gg
Do not use this macro to your advantage/to exploit as you will possibly get banned!
Video based on info shared by Wowhead article on https://www.wowhead.com/news/automatically-target-enemies-or-friendlies-with-reticle-based-spells-using-327371
Macro used:
#showtooltip
/cast [mod:alt,@target][nomod,@cursor]Demonic Gateway
source