card_group

since "playing_card"s are singular cards, card_groups handling groups of playing_cards in the form of either a deck or hand

Vars
card_name	same function as playing_card card name
card_style	the type of card back used for this group (references icon_state names in the dmi)
max_hand_size	the number of cards you can have in a hand before it automatically becomes a deck
total_cards	how many cards are in a fully built deck of this type? (54 for plain decks, 78 for tarot, etc.) : used for reference on stack heights

Var Details

same function as playing_card card name

the type of card back used for this group (references icon_state names in the dmi)

the number of cards you can have in a hand before it automatically becomes a deck

how many cards are in a fully built deck of this type? (54 for plain decks, 78 for tarot, etc.) : used for reference on stack heights