Contradiction with Exodus 20:17
This verse commands not to covet, but Luke 22:5 shows an agreement to betray Jesus for money, a form of coveting.
Exodus 20:17: Thou shalt not covet thy neighbour's house, thou shalt not covet thy neighbour's wife, nor his manservant, nor his maidservant, nor his ox, nor his ass, nor any thing that [is] thy neighbour's.
Contradiction with Matthew 5:44
This verse teaches to love your enemies, while Luke 22:5 involves conspiring against Jesus, which is an act of enmity.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Luke 6:31
This verse instructs to do unto others as you would have them do unto you, contradicting the betrayal plot in Luke 22:5.
Luke 6:31: And as ye would that men should do to you, do ye also to them likewise.