@JeremyECrawford When the Sorcerers use the meta magic Subtle Spell can you avoid being effected by counterspell if no materials are needed?
— Michael Freeman (@mykesfree) February 2, 2016
Counterspell requires you to see a creature casting a spell. Nothing to perceive means no counter. #DnD https://t.co/EWAaA5N2dL
— Jeremy Crawford (@JeremyECrawford) February 3, 2016