Ether Hand

Usually when on the subject of otherworldly things one might think to keep them as far away from the physical plane as possible, right? Well magic users have thought of many ways to open portals to the other realms and such, this is one of those ways. When one takes a demon/devil heart and throws it at a target they have to say the words "From the Ether they wake" and also have the intention of cast the spell while knowing is, in turn a medium sized, hairy, and muscular hand resembling a minotaur comes forth 10 feet above the organ and crushes the organ and whatever is in a 5 feet radius, dealing 2d6