One of the worst punishments for not following Yahweh and the Levite priests' advice: You'll eat your own children!  Family value meals!  (Deuteronomy 28:53-55)

Deuteronomy 28 is a descent into madness.  Here's a basic rundown.

It starts off innocent enough.  If you follow Yahweh and listen to the advice of the priests, you (meaning 'the Israelites') will:

1. Be blessed in the city and in the field
2. be blessed in body, crops, livestock, and family
3. have your basket and store blessed
4. be blessed when you "come in and when you go out" - not sure what that means
5. find that Yahweh will defeat your enemies before you face them (they'll come against you one way and flee seven)
6. find that your storehouses have been blessed
7. be considered a holy person unto Yahweh Himself
8. AGAIN be blessed in body, crops, livestock, and family.
9. Have abundant crops due to good weather, other people will borrow from and owe you (not the other way around)
10. Be the head and not the tail.

But ... if you don't follow Yahweh and you actually go after "other gods" (insinuating of course that the Israelites believed in other gods!), then:

1. You will be cursed in the city and in the field
2. Your basket and store will be cursed
3. Your body, crops, livestock, and family will be cursed
4. You will be cursed when  you "come in and go out." - still have no idea what that means!
5. You will be sent in cursing, vexation, and rebuke in everything you do until you are dead
6. You'll get very sick with pestilence
7. You'll be smited with consumption, fever, inflammation, "an extreme burning", by sword, "the blasting", MILDEW, and Yahweh will pursue you until you die!!!
8. Heaven above will be brass, while the earth below is iron. (On top of all the other stuff, you get crappy weather too!)
9. Instead of rain, your crops will get powder and dust.
10. Your corpse will be eaten by vultures and other scavengers
11.  You'll get the botch of Egypt, hemorrhoids, scabs and itches that can't be healed, madness, blindness, and "astonishment of heart" (if numbers 6 and 7 weren't bad enough!)
12. You'll grope around during day and night, won't be prosperous (no shit!)
13. When you marry, other men will sleep with your wife
14. Your ox will be slain before your eyes, your donkeys will be "violently taken away before your eyes", your sheep will be given to your enemies
15. Your sons and daughters will be given away to other people; you'll look everywhere for them, but will not find them
16. You will not be prosperous at all (how many times do the priests threaten this?), and you will be oppressed by others
17. You'll go mad just at the sight of the things going on around you
18.  Your knees will be smited and you'll get a huge sore botch from the bottom of your feet to the top of your head.
19. You'll be ruled by a strange nation and worship their gods, wood, and stone.
20. You'll become a joke to your neighbors
21. Locusts will consume your crops; worms shall eat your vineyards
22. You'll have fruitless olive trees
23. You'll have sons and daughters but won't enjoy them because they'll go into captivity.
24. The strangers among you will rise up and rule
25. You'll serve your enemies hungry, thirsty, and naked, under a yoke of iron, until your dead.
26. Yahweh will send a fierce nation from the end of the earth, and this nation will eat your cattle, take the fruit of your land, he'll besiege your city and easily overtake it, and you'll BE FORCED TO EAT YOUR OWN FLESH AND YOUR OWN CHILDREN'S FLESH
27. Pretty women around you will turn an evil eye toward husband and eat her children
28. Mass plagues will destroy your people
29. The Israelites will be scattered around the world and follow other gods
30. The Israelites will be sold back to Egypt as slaves.

Wow!  The Levite priests went out of their way on this one.  I admit, the first time I read the Bible this chapter didn't stick.  Now it's the craziest chapter I've read, and I've read some crazy ones so far! You'd think that since so people listen to the advice of these ancient Bronze Age people today, that this stuff would be prevalent in society.