Moonglaive

You conjure a moonglaive of pure moonlight and hurl it at a target. Take the Attack action, replacing one of your attacks with a ranged spell attack. On a hit, the target takes 1d6 + your spellcasting modifier radiant damage.

If you hit the first time, you may make a second attack on a different target, using the first target as the starting point for the attack, and with a -2 penalty. If the second strike hits, you may make a third attack the same way, but with a -4 penalty. You may continue making these attacks with stacking -2 penalties to each one, until there is no legal target or until an attack misses, at which point the moonglaive dissipates.

At Higher Levels. When you cast this spell using a slot of 3rd level or higher, the damage increases by 1d6 for every two slot levels above 1st. Additionally, for every slot level above 1st, you ignore -1 from the penalty to subsequent attacks after the first.