Help with a macro

[Pinkmin]

Sorry if the threat shouldn´t be in this section, i´m not used to use this forum :v
I was wondering if someone could help me with a macro, i wanna use a rune with the ID: 3186 each 1500 ms or 2000ms, i would be really thankfull with any kind of help

[kaiquegabriel]

on creature or yourself?

[Catar]

What does that rune do? It's on ots? You want it use all the time, or in certain conditions?