Wonderwall

This spell summons a wall that is up to 15 feet long, 5 feet high, and 3 feet thick. This spell cannot be passed through, and blocks ethereal travel in it’s space. This wall can be destroyed by any spell of 4th lvl or higher that deals damage, and by dispel magic. This wall lasts for 5 minutes. You can change the orientation of the wall any time during the duration as an action. The wall is rainbow color and gives half cover for hiding. If you cast this spell at a higher lvl you can add 2 feet to its height and length.