Steel Wind Strike

5th-Level Conjuration
Casting Time: 1 action
Range: 30 feet
Components: SM (a melee weapon worth at least 1 sp)
Duration: Instantaneous

As in Xanathar's Guide to Everything with the following added:
At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the damage increases by 1d10 for each slot level above 5th.

Source: XGE 166