30 Years of Star Trek: Phase Two (Base Set) card 106 Horta

*The Horta are a race indigenous to the planet Janus VI, They are silicon based, living within the strata of the surface of Janus VI. They secrete a powerful corrosive allowing them to travel through solid rock with ease. Every 50,000 years the Horts die off, leaving one member to care for the thousands of eggs which will repopulate the race. *Source: Back of card