Colors in Darkness - Anthology Call

Colors in Darkness has posted a call for their next anthology "Deadly Bargain".  They're looking for horror/dark fantasy stories of 3000 to 7500 words that feature items purchased from a shady dealer.  They have a description of the dealer that you must use but you can name him/her.  The deadline is July 15, 2018 and payment is $20.  You can find the details here.