Magnet blacklist checks if the EMPTY item is blacklisted
HenryLoenwind opened this issue ยท 1 comments
https://github.com/Vazkii/Botania/blob/master/src/main/java/vazkii/botania/api/BotaniaAPI.java#L354
That code creates an empty itemstack, which obviously will never (or always) be blacklisted.