BUR #19619 has been approved by @evazion.
create alias eight_of_diamonds_(card) -> eight_of_diamonds_(playing_card)
create alias jack_of_clubs_(card) -> jack_of_clubs_(playing_card)
create alias king_of_hearts_(card) -> king_of_hearts_(playing_card)
create alias queen_of_hearts_(card) -> queen_of_hearts_(playing_card)
create alias joker_(card) -> joker_(playing_card)
We are currently using both _(playing_card) and _(card) as qualifiers for playing cards which is a bit inconsistent.
Given that we call the ♥♠♣♦ cards playing_cards to differentiate them from other cards (like tarot and yu-gi-oh!) going with the longer qualifier would be my preference.