D&D 5e Homebrew - Gnomes

The only (mechanical) difference with gnomes is the Rock Gnome subrace. If you were interested in this sort of race they you may wish to consider the Drat instead, who are famous for their tinkering. Our gnomes are more magical than mechanical.

Ability Score Increase Your Constitution score increases by 1.

Arcane Lore - Whenever you make an Intelligence (History) check related to magical objects, magical places, or magic in general, you can add twice your proficiency bonus, instead of any proficiency bonus you normally apply.

Cavewise. Whenever you make an Intelligence (History) check related to caves or the underground, you are considered proficient in the History skill and add double your proficiency bonus to the check, instead of your normal proficiency bonus.

Natural Trickster - You know the cantrip Prestidigitation, regardless of your class.