I'm curious about how it's decided whether or not a spell gets the Ritual tag…I hope @JeremyECrawford is who is should be directions this to :/

— Joseph Shumate (@joseph_shumate) November 29, 2017

If a spell has the ritual tag, that spell can effectively be cast at will by a ritual caster. We therefore apply the tag only to spells that we are OK with being cast over and over again—OK from both a game-balance and a world-building perspective. #DnD https://t.co/ym1w6A1HvA

— Jeremy Crawford (@JeremyECrawford) November 29, 2017