Wither and Bloom

Action | 60 ft | V/S/M | Instantaneous

Each creature in a 10-ft radius makes a Constitution save,
taking 2d6 necrotic damage on a fail, or half on a success.
Nonmagical vegetation withers.

Additionally, one creature in the area can spend 1 Hit Die,
regaining hit points equal to the roll + your
spellcasting modifier.

At Higher Levels: When cast with a 3rd-level or higher
spell slot, damage increases by 1d6 and the number of Hit
Dice spent for healing increases by 1 for each s