Add to that domains, paladin, ranger, and adept spell list. The divine chameleon is not hurting for good spells to cast.
But on the arcane side you get access to Trapsmith spells! Greater Dispel Magic as a 3rd level spell! Haste as a 1st level spell! The ability to make the cheapest utility items this side of a zeroficer!
I speak AD&D to my fluff, 3.5 to my crunch and 5E to my players.