Let's revive this forgotten sunnah of surah Al-A'laa and Surah Al-Qiyaamah.
Source:
https://sunnah.com/abudawud:883
Tafsir At-Tabri for Surah Al-Qyiamah
Many scholars said that this is only done within Sunnah prayer, but other scholars said that there was no evidence that specifies the saying of such sunnah in any prayer.
Allah knows best.