welcome to the fest extra , this mod add some extra thing , here a list. 

* the mod add a golem spawner that spawn two golem and can be craft so it not really for creative

* chalcopyrite , is a ore who can be create by using the smith table like this (also is a real ore)

* chalcopyrite pickaxe , have 25 durability but have 16 efficiency

*Chalcopyrite sword , have 500 durability and 6.5 Efficiency