@JeremyECrawford @mikemearls Can Mage Slayer reaction attack, triggered by opponent casting, be made with Shocking Grasp or unarmed attack?

— jhansonxi (@jhansonxi) April 1, 2016

Mage Slayer feat: shocking grasp isn't a melee weapon attack, but an unarmed strike counts as one. #DnD https://t.co/G5eM7WBlon

— Jeremy Crawford (@JeremyECrawford) April 4, 2016