Baseball: Reds, Indians, defunct teams, Hall of Famers, fan favorites, short term stops, zero-year cards, vintage, oddballs, etc.
Football: Bengals, some Hall of Famers
Hockey: Devils, Flames, Oilers, Blue Jackets, vintage, oddballs, etc.
I also collect WWE and UFC cards. Some basketball (just Cincinnati Royals) as well.
Full want list here: https://cardboardclubhouse.blogspot.com/p/want-list.html