@JeremyECrawford Wiz1/Sorc1 knows 7 cantrips from the same list. Can cantrip learned as Sorc use Int since it's on the Wiz spell list?
— Robert Matteson (@RobMatteson) June 22, 2015
"Each spell … is associated with one of your classes, and you use the spellcasting ability of that class" (PH, 164). https://t.co/TovPvOzrHq
— Jeremy Crawford (@JeremyECrawford) June 24, 2015