(This material is is from "Starter Spells" from Unearthed Arcana (Link:http://dnd.wizards.com/articles-tags/unearthed-arcana) This content is not official but is available for playtesting)
Casting Time: 1 action
Components: V, S
Duration: 1 round
You touch one creature, imbuing it with vitality. If the target has at least 1 hit point, it gains a number of temporary hit points equal to 1d4 + your spellcasting ability modifier. The temporary hit points are lost when the spell ends.