Magic Weapon

D&D 2024 spell: Magic Weapon. Source: Player's Handbook (2024). level 2, school Transmutation, casting time 1 bonus, range Touch, duration 1 hour

You touch a nonmagical weapon. Until the spell ends, that weapon becomes a magic weapon with a +1 bonus to attack rolls and damage rolls. The spell ends early if you cast it again.

At Higher Levels

Using a Higher-Level Spell Slot The bonus increases to +2 with a level 3-5 spell slot. The bonus increases to +3 with a level 6+ spell slot.

Source: Player's Handbook (2024), p. 295 - Licenses and attribution