Upon a Once Time anthology is open for submissions from July 1, 2020-February 28, 2021.  They are looking for stories where you choose two of your favorite fairy tales, and a genre of your choice, and mash them up to make something new. Stories may be of any genre (SF, Grimdark, New Weird–anything) as long as they incorporate two fairy tales. They are looking for stories between 1,000-3,000 words and paying 8 cents per word. Full details here. 

The Wild Hunt Anthology is also open for submission from July 2, 2020-February 28,2021. They are looking for stories that incorporate that incorporate the theme of the Wild Hunt, in any genre. Stories should be between 1,000-3,000 words and they are paying 8 cents per word. Full details here.