Deep Magic Volume 2 (p.148)
Burst of Pollen
3-level Evocation
Casting Time: 1 action
Range/Area: Self (15 ft. sphere)
Components: Verbal, Somatic, Material
Materials: a petal from a white lily
Duration: Instant
Attack/Save: CON Save
Damage/Effect: Necrotic
A cloud of deadly pollen bursts out from you in a 15-foot radius. Each creature in the cloud when it appears must make a Constitution saving throw, taking 6d8 necrotic damage on a failed save, or half as much damage on a successful one.
At higher levels: When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d8 for each slot level above 3rd.
Available for: Druid, Ranger