Symphony of the Spheres

You play a symphony that calls upon the power of the stars themselves. For the duration of the spell (up to 1 minute), you and any creatures within 60 feet of you have truesight and can see through illusions, and you gain resistance to all damage. Additionally, any creature that starts its turn within the spell's range can choose to gain one of the following benefits: the ability to teleport up to 60 feet as a bonus action, or the ability to make one weapon attack or cast one cantrip as a bonus action.