You could have the Wand of Orcus themed around summoning celestials, rename it to the Wand of Hilarion, and players might not even notice it used to be an evil item to begin with. Knowing about ...

For those unaware, wish is the best ninth-level spell in the game. This attunement-required wand is so large that it functions as a +3 mace that deals an extra 2d12 necrotic damage on a hit.