i would like that but there would be a HUGE list. And i feel like he would have to update EVERY time a new crate comes out. you can do the thing like modded minecraft were you can place the item in a blacklist but again the issue is thats would be a lot of items. its why challenge badge cant be longer even tho there is more challenge gun then there are slots in the badge 
just have to disable it when you roll Commie crates 1 and frostburns
just have to disable it when you roll Commie crates 1 and frostburns