Elemental Enchantment

Lay your hands upon a non magical weapon. Until the spell ends, that weapon is magical and infused with an elemental damage type of your choice with a +1 bonus to attack rolls and damage rolls.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the bonus increases to +2. When you use a spell slot of 6th level or higher, the bonus increases to +3.