Ethereal Stag

You transform into a majestic ethereal stag with a ghostly, translucent appearance. While in this form, your movement speed increases by 10 feet, and you gain the ability to move through other creatures and objects as if they were difficult terrain. You can also move through openings as small as 1 inch in diameter without squeezing.

Additionally, the ethereal stag form can be ridden by one willing creature of your choice. The rider gains the same benefits as you do from this spell and can take their own actions while riding.

If the spell ends while someone is riding the ethereal stag, the rider is gently placed on the ground in an unoccupied space closest to the stag's location.