Swing and a Missile

0-level (Cantrip) Evocation

Casting Time: 1 reaction, which you take when a friendly creature you can see within 30 feet of you misses an attack roll

Range/Area: 30ft.

Components: Verbal

Duration: Instant

Attack/Save: Ranged Spell Attack

Damage/Effect: Force

You take advantage of the momentary distraction an ally’s attack provides, firing a miniature arcane missile at your ally’s target just as the ally’s attack misses. Make a ranged spell attack against your ally’s target. On a hit, the target takes 1d4 force damage. This spell’s damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4), and 17th level (4d4).

Available for: Bard, Sorcerer, Wizard