Platinum Shield

6th-Level Abjuration
Casting Time: 1 action
Range: 60 feet
Components: VSM($) (a platinum-plated dragon scale, worth at least 500 gp)
Duration: (C) 1 minute

As in Fizban's Treasury of Dragons with the following added:

At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, you may target one additional creature for each slot level above 6th.

Source: FTD 20

Changelog

Added upcasting option.