Numbers 22:6

22:6 So now, please come and curse this nation for me, for they are too powerful for me. Perhaps I will prevail so that we may conquer them and drive them out of the land. For I know that whoever you bless is blessed, and whoever you curse is cursed.”

Numbers 22:11

22:11 “Look, a nation has come out of Egypt, and it covers the face of the earth. Come now and put a curse on them for me; perhaps I will be able to defeat them and drive them out.”

Numbers 22:17

22:17 For I will honor you greatly, and whatever you tell me I will do. So come, put a curse on this nation for me.’”

Proverbs 26:2

26:2 Like a fluttering bird or like a flying swallow,

so a curse without cause does not come to rest.