If i have a magical dead zone do the players get a save to still cast spells?

@ChrisPerkinsDnD if i have a magical dead zone do the players get a save to still cast spells?

— Derek Buhse (@derek_buhse) August 9, 2016

Entirely up to you. If your dead magic zone is similar to the antimagic field spell, then no. #WOTCstaff https://t.co/ODRVd8khgk

— (((Chris Perkins))) (@ChrisPerkinsDnD) August 9, 2016