Tree of Life (Spell)

Tree of Life is a 3rd level Conjuration Concentration spell exclusive to the Spring Cleric. Target an area to create 20-foot radius to create a healing area for up to 1 minute.
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==Description==
A great tree with a white glow appears from the ground. Its white petals reach within 20ft of the tree. At the beginning of the caster’s turn or when a creature enters the area for the first time since the caster's turn, all creatures touched by the petals are healed for 2d6 + your Spellcasting Modifier. Any overheal is not turned into temporary HP. 
At Higher Levels: +1d6 healing for each level.