What are the best OP Prison plugins?

[OriginalSnus]

Hello, the title basically says it all. I don't mean the plugins that are needed to make these types of servers, eg: Rankup, MineResetLite Worldguard ect...
I mean ones that make it fun, eg maybe Lottery, or Drugs, or something like that.
If you have any ideas please post them below. ​

 

[Gabe123may]

Drop parties every like 350 votes or something
Chestshops plugin
auction
lottery
crates keys

 

[OriginalSnus]

Drop parties every like 350 votes or something
Chestshops plugin
auction
lottery
crates keys

Got all of them apart from the Drop party one. It might be one to add, but we'll see.