Sunan Ibn Majah

It was narrated that 'Abdullah bin Mas'ud said:""I bear witness that the true and truly inspired one Abul-Qasim (ﷺ) told us: 'Selling a Muhaffalah is Khilabah, and Khilabah is not lawful for the Muslim.""' (Ibn Majah said: "" Meaning: 'Deception)