Al-Adab Al-Mufrad, Hadith 1270 ⓘ
'Abdullah ibn Mas'ud said, "Beware of these two marked cubes. They should be forcibly prohibited. They are part of gambling."
حَدَّثَنَا مُسَدَّدٌ، قَالَ: حَدَّثَنَا مُعْتَمِرٌ قَالَ: سَمِعْتُ عَبْدَ الْمَلِكِ، عَنْ أَبِي الأَحْوَصِ، عَنْ عَبْدِ اللهِ بْنِ مَسْعُودٍ قَالَ: إِيَّاكُمْ وَهَاتَيْنِ الْكَعْبَتَيْنِ الْمَوْسُومَتَيْنِ اللَّتَيْنِ يُزْجَرَانِ زَجْرًا، فَإِنَّهُمَا مِنَ الْمَيْسِرِ.
also referenced under: Book 54, Hadith 12 (In-Book) & Book 54, Hadith 1270 (English)