NET
12 Then Abner sent messengers to David saying, “To whom does the land belong? Make an agreement with me, and I will do whatever I can to cause all Israel to turn to you.”
Darby
12 And Abner sent messengers to David on his behalf, saying, Whose is the land? saying [also], Make thy covenant with me, and behold, my hand shall be with thee, to turn all Israel to thee.
KJV
12 And Abner sent messengers to David on his behalf, saying, Whose [is] the land? saying [also], Make thy league with me, and, behold, my hand [shall be] with thee, to bring about all Israel unto thee.