الْمُغِيْرَاتِ

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – الْمُغِيْرَاتِ is a noun

A noun may either be 1) Definite or indefinite 2) Masculine or feminine 3) Singular, dual or plural 4) Nominative, accusative or genitive

الْمُغِيْرَاتُ is the natural state of this definite noun and it became الْمُغِيْرَاتِ due to: 1) a preposition that precedes it or 2) a possessed noun that precedes it or 3) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym

The raiders

To change, alter

Surah/Below is the only verse in the holy Quran containing the form 4, active participle,الْمُغِيْرَاتِ
Verse
100-3and the raiders, at dawnفَالْمُغِيْرَاتِ صُبْحًا