Ephorius' Mind Blade

A shimmering blade of force careens into an enemy, causing them to crumple to the ground. Make a ranged spell attack roll against a creature in range. On a hit the target takes 2d12 physic damage and must make a Charisma saving throw. On a failed save the target falls prone and is incapacitated until the end of its next turn.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, you make an additional attack for each level above 4th against a different target in range