Staff of Starlit Grace

Captured Starlight. You gain a +1 bonus to spell attack rolls while holding this staff. Additionally, you ignore half cover when making spell attacks.
  Starfall. You can use an action to tap this staff forcefully on the ground. When you do, the orb becomes ethereal and shoots upward. At the start of your next turn, the orb returns to the staff, causing a shockwave of radiant energy. When the orb returns, all creatures of your choice within 10t. of you must make a Dexterity saving throw against your spell save DC. On a failed save, they take 4d6 Radiant damage. On a successful save, they take half damage. You then regain 1d6 hit points for each creature that failed their saving throw. You can use this feature twice per long rest.