How about a spell to really change your friends point of view!
Casting Time:1 action
Duration: 1 day
The target you touch undergoes a rapid change, transforming into an elf, if it fails a Constitution saving throw. The target’s type changes to humanoid (elf), and it loses all race abilities. However the target gains fey ancestry, trance, and keen senses. It still has all it’s original statistics. After 1 day, the elf changes back into its old race. If the spell is repeated for three days, and the save is failed each time, the spell becomes permanent.