That elbow lady looks like the woman who played the Wicked Witch in Wizard of Oz. Like, specifically as the mean old woman in Kansas.

Back when that Ouija movie came out, Youtube was asking something like "are you interested in this?" for every one of their ads, so I very carefully groomed it so every time a new horror movie comes out I get nothing but horror trailers and it's EXQUISITE
The Boy looks like it's a straight-up Goosebumps book and I love everything about it. The bit where the painting grabs her! It's delightful.