Source: Unearthed Arcana 36 - Starter Spells

Abjuration cantrip

Casting Time: 1 action
Range: Touch
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.

Spell Lists. Cleric