if ( random2(MAX_PIETY) <= you.piety )
        {
            // make a pure deck
            const misc_item_type pure_decks[] = {
                MISC_DECK_OF_ESCAPE,
                MISC_DECK_OF_DESTRUCTION,
                MISC_DECK_OF_DUNGEONS,
                MISC_DECK_OF_SUMMONING,
                MISC_DECK_OF_WONDERS
            };
            int weights[5];
            get_pure_deck_weights(weights);
            const int choice = choose_random_weighted(weights, weights+5);
            gift_type = pure_decks[choice];

        // make a pure deck
        const misc_item_type pure_decks[] = {
            MISC_DECK_OF_ESCAPE,
            MISC_DECK_OF_DESTRUCTION,
            MISC_DECK_OF_DUNGEONS,
            MISC_DECK_OF_SUMMONING,
            MISC_DECK_OF_WONDERS
        };
        int weights[5];
        get_pure_deck_weights(weights);
        const int choice = choose_random_weighted(weights, weights+5);
        gift_type = pure_decks[choice];

            show_pure_deck_chances();

        show_pure_deck_chances();

            update_sacrifice_weights(choice);
        }
        else
        {
            // make a mixed deck
            const misc_item_type mixed_decks[] = {
                MISC_DECK_OF_WAR,
                MISC_DECK_OF_CHANGES,
                MISC_DECK_OF_DEFENSE
            };
            gift_type = RANDOM_ELEMENT(mixed_decks);
        }

        update_sacrifice_weights(choice);