Judas promises to betray Jesus

Mark 14:10 And Judas Iscariot, one of the twelve, went unto the chief priests, to betray him unto them. Matt 26:14 Then one of the twelve, called Judas Iscariot, went unto the chief priests, 15a And said unto them, What will ye give me, and I will deliver him unto you? Luke 22:3 Then entered Satan into Judas surnamed Iscariot, being of the number of the twelve. 4 And he went his way, and communed with the chief priests and captains, how he might betray him unto them.
Mark 14:11 And when they heard it, they were glad, and promised to give him money. And he sought how he might conveniently betray him. Matt 26:15b And they covenanted with him for thirty pieces of silver [1]. 16 And from that time he sought opportunity to betray him. Luke 22:5 And they were glad, and covenanted to give him money. 6 And he promised, and sought opportunity to betray him unto them in the absence of the multitude.

[1]Zechariah 11:12 And I said unto them, If ye think good, give me my price; and if not, forbear. So they weighed for my price thirty pieces of silver (New Oxford Annotated Bible, p. 1207).