בַּחֲז֥וֹת לָךְ֙ שָׁ֔וְא בִּקְסָם־לָ֖ךְ כָּזָ֑ב לָתֵ֣ת אוֹתָ֗ךְ אֶֽל־צַוְּארֵי֙ חַֽלְלֵ֣י רְשָׁעִ֔ים אֲשֶׁר־בָּ֣א יוֹמָ֔ם בְּעֵ֖ת עֲוֺ֥ן קֵֽץ׃
Rashi
When you prophesy vanity for yourself The diviners of Ammon prophesied vanity for themselves, saying, “Nothing more will come upon us.”
Rashi
to place you with the necks of the slain of the wicked To mislead you and to place your neck like the necks of the slain of the wicked of Israel.