Mobs and spawners

It would be you spawn and it can be single player or multiplayer, but when entering, you get only two choices of any mob that is usually above ground in the over world like skeletons, zombies spiders creepers pilligers,. There will be no iron golem or wardens or anything that can be summoned using other resources usually like the wither. And there will be an add on that gives you reward every three days you survive and if you die, the counter is reset and you have to start back at surviving the first day. It also gives a job role like demon hunter or mage or fight or witch or builder etc, etc.