Eberal's Passage of Time.

you target one creature within range. that creature must make a constitution saving throw or take 1d6 necrotic damage and be aged 1d6 years. aging has different effects on different races and creatures. 

when casted at higher levels. spell does 2d6 at 5th level,  3d6 at 11th level, and 4d6 at 17th level