Wither and Bloom

You invoke both death and life in a 10-foot-radius Sphere centered on a point within range. Each creature of your choice in that area makes a Constitution saving throw, taking 3d6 Necrotic damage on a failed save or half as much damage on a successful one. Nonmagical plants in that area that aren't creatures, such as trees and shrubs, wither.

In addition, one creature of your choice in that area can roll one of its unexpended Hit Point Dice and regain a number of Hit Points equal to the roll plus your spellcasting ability modifier. That die is then expended.

Using a Higher-Level Spell Slot. The damage increases by 1d6 for each spell slot level above 2. The number of Hit Point Dice that can be rolled and expended increases by one for each spell slot level above 2. You add your spellcasting modifier to the number of Hit Points regained by this spell only once, regardless of the number of Hit Point Dice rolled and expended.

You invoke both death and life upon a 10-foot-radius sphere centered on a point within range. Each creature of your choice in that area must make a Constitution saving throw, taking 2d6 necrotic damage on a failed save, or half as much damage on a successful one. Nonmagical vegetation in that area withers.

In addition, one creature of your choice in that area can spend and roll one of its unspent Hit Dice and regain a number of hit points equal to the roll plus your spellcasting ability modifier.

Using a Higher-Level Spell Slot. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d6 for each slot above the 2nd, and the number of Hit Dice that can be spent and added to the healing roll increases by one for each slot above 2nd.