וַיְשַׁלַּ֣ח יְהוָ֣ה ׀ בּ֡וֹ אֶת־גְּדוּדֵ֣י כַשְׂדִּים֩ וְאֶת־גְּדוּדֵ֨י אֲרָ֜ם וְאֵ֣ת ׀ גְּדוּדֵ֣י מוֹאָ֗ב וְאֵת֙ גְּדוּדֵ֣י בְנֵֽי־עַמּ֔וֹן וַיְשַׁלְּחֵ֥ם בִּֽיהוּדָ֖ה לְהַֽאֲבִיד֑וֹ כִּדְבַ֣ר יְהוָ֔ה אֲשֶׁ֣ר דִּבֶּ֔ר בְּיַ֖ד עֲבָדָ֥יו הַנְּבִיאִֽים׃
여호와께서 그 종 선지자들로 하신 말씀과 같이 갈대아의 부대와 아람의 부대와 모압의 부대와 암몬자손의 부대를 여호야김에게로 보내어 유다를 쳐 멸하려 하시니
Metzudat David on II Kings
He awoken the hearts of the armies of the Chaldeans etc..., so that they will bring war to Judah.
Metzudat David on II Kings
According to the [extended] timespan of the events, therefore it went back and said "He sent them", for this was typical (grammar) for scriptures.