Celesti (5e Subrace)
From D&D Wiki
When a Genasi is born on an Upper Plane, there is a chance it will be born touched by celestial magic.
Ability Score Increase. Your Charisma score increases by 1.
Celestial Spellcasting. You know a cleric cantrip of your choice. When you reach 3rd level, you know one 1st level cleric spell of your choice and can cast it once before you need to finish a long rest to cast it again. Charisma is your spellcasting ability for these spells.
Planar Resistance. You are resistant to radiant damage.