I see people claiming modifiers would work since it's the modern engine but they simply don't. I try to use a simple "/cast [mod:shift] Adrenaline Rush; Sinister Strike" macro, yet everytime I press shift I can see the Adrenaline Rush Icon but no matter what I can press the button as hard as I want the spell won't activate. I also tried these weird scripts only to get the message "this script is exclusive to blizz ui" or some rubbish, even turned off all addons and it doesn't.
Any Help?