Qur'ān 7:107 · Al-A'raf (الأعراف)

فَأَلْقَىٰ عَصَاهُ فَإِذَا هِىَ ثُعْبَانٌۭ مُّبِينٌۭ

So Moses threw his staff, and suddenly it was a serpent, manifest.