Sickening Radiance

4th-Level Evocation
Casting Time: 1 action
Range: 120 feet
Components: VS
Duration: (C) 10 minutes

As in Xanathar's Guide to Everything except the spell causes fatigue instead of exhaustion and the following has been added:

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the radiant damage increases by 1d10 per spell level above 4th.

Source: XGE 164

Changelog

Added upcasting option.