execute if score slots sel_count matches ..6 if predicate scavenger:p20 unless data entity @s Offers.Recipes[{sell:{id:"tac:mrad"}}] run function scavenger:trades/add_43
execute if score slots sel_count matches ..6 if predicate scavenger:p20 unless data entity @s Offers.Recipes[{sell:{id:"tac:mrad"}}] run scoreboard players add slots sel_count 1
