Wicaryn's Waltz of the flowers

Petals of flowers from the feywild start to wildly gravitate around you creating an area of 10-foot radius , roll a d8 to determined the effect damage that will last for the duration, when the creature enters the area for the first time on a turn or starts its turn there of you must make a Dexterity saving throw. On a failed save, the creature takes 3d8 of an specific damage type. You have advantage on Performance and Acrobatics checks as well as 10 feet of extra movement.
1-Necrotic
2-Poison
3-Fire
4-Cold
5-Lightning
6-Thunder
7-Psychic
8-Radiant

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.