Draconic Transformation

7th-Level Transmutation
Casting Time: 1 bonus action
Range: Self
Components: VSM($) (a statuette of a dragon, worth at least 500 gp)
Duration: (C) 1 minute

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

Draconic Resilience. Choose one of the following damage types: acid, cold, fire lighting, poison. You are immune to the chosen damage type. If you chose poison, you are also immune to the poisoned condition.

Source: FTD 19

Changelog

Added a damage immunity to the list of traits bestowed by the spell.