How to make this spell?

[Kioshi]

Hey! How do i make a wave spell? What i mean is,a spell that works just like a wave,like from little to big,bigger,biggest wave,hope this helps,and thanks for any answer =)

 

[Leftwing]

You look here:

GlobalEvents, Spells & CreatureEvents

Then you hit the search button just below the page listing. Type in spell generator, or search for just spells in general. Or, you can learn to script it yourself.