For the new UA cantrip Mind Sliver, would that effect stack with the effect from the Bane spell?

— Scott Tipping (@SRTIPPING) September 9, 2019

In D&D, the effects of different spells stack with each other. For more information, check out the section "Combining Magical Effects" in the Player's Handbook (p. 205). #DnD https://t.co/vLSavd5gJd

— Jeremy Crawford (@JeremyECrawford) September 10, 2019