Trapezohedra, the duals on the infinite list of antiprisms, with kite faces: any even quantity not divisible by 4 (so that a encounter will confront up), starting from 6
A set of Fudge dice The faces of most dice are https://lilianpvek875778.bloguerosa.com/29973611/the-fact-about-d20-that-no-one-is-suggesting