If a creature has Multiattack and Charge/Dive Attack…

@geeniusatwrokIf a creature has Multiattack and Charge/Dive Attack, does it gain bonus dmg on every part of its Multiattack or just the first? If ability says "Next attack" only on first, otherwise, should apply to all. #WOTCstaff

— (((Mike Mearls))) (@mikemearls) September 1, 2016