Modified Dark Ritual Ability Target

[Gaymer]

Asking for help here.
What I want to happen is like this: I want a Dark Ritual ability that only targets certain units of mine. I'm trying to make this into a Naga ability that only sacrifices Mur'gul Slaves and Reavers. Is there any way to make this possible? Triggers or otherwise?

Thank you so much in advance <3

 

[Uncle]

You can interrupt an Order using triggers. Or interrupt the ability cast. But Order interruption is better since it prevents the unit from even attempting to cast.

An example at the bottom of this thread:

A unit Is issued an order targeting an object

Why this don't work???

www.hiveworkshop.com

You'll have to repurpose it for your trigger, changing the Order to match that of your Ability and checking for your specific Unit-Types.