Reference for Zechariah 12:9

וְהָיָ֖ה בַּיּ֣וֹם הַה֑וּא אֲבַקֵּ֗שׁ לְהַשְׁמִיד֙ אֶת־כָּל־הַגּוֹיִ֔ם הַבָּאִ֖ים עַל־יְרוּשָׁלִָֽם׃

And it shall come to pass in that day, That I will seek to destroy all the nations That come against Jerusalem.

BDB