Well here's a spell i made with noob friendly customizable Effects and damage.
Named Tan wave cause i used the Tan feature xD

Customisable:
Damage
.Period between Deformations
.Deformation Height
.Duration of Deformations
.AOE
.Speed the deformations travel
.Max Wave Distance
.Deformations? [T/F]
.Travel SFX [T/F]
.Pinnacle SFX [T/F]

Spell Description:
Creates a Shockwave which ruptures the ground at a interval dealing damage at each interval

Any Requests to update it with something tell me~

Keywords:
Tan, WC3, Fire, Terrain, Earthquake, Shockwave, Custom