Wither

Choose a target within range, the target get afflicted with wither for 6 turns. With will deal 1d4 necrotic damage at the end of the targets turn. If you cast the spell on the same target while it's still afflicted the time will refresh and all other creature's within 20 feet will also get afflicted with wither for 6 turns.

Time Suspension: When you use this and any other time spells four times in a row you enter time suspension where you get 2 actions and bonus actions each turn until you don't cast a time spell for a turn.