Hieracosphinx is a 20 point unreleased monster that was supposedly part of the Series 3 line of monsters.
Trading card text
(Translated from the mexican card)
Species: Hybrid animal
Born: 1200 years ago in Egypt
Size: 3.60 meters
Habitat: Desolated roads of the Middle East
Legend has it that the Hieracosphinx is in charge of guarding the entrance to the monster world. To enter you must solve a riddle. This dangerous beast is fierce and aggressive. Has wings and sharp teeth.