The Eldrazi are an ancient race native to the Blind Eternities that have neither physical form nor alignment. Their nature is ceaseless hunger, so they travel between planes devouring the mana and life energy until the plane's destruction. Three Eldrazi titans were bound on Zendikar; Emrakul, Ulamog and Kozilek.
Welcome, Geocacher, to Zendikar. Your arrival is in dire need; we seek the aid of a powerful being like yourself to vanquish the titans that plague our realm. Each titan lays hidden under our very noses, their evil looming over every one of us. We need your help, to locate and fight the titan with your incredible powers of the Gee Pee Ess! It will take skill, cunning, smarts and a little bit of luck to locate your target, but when you sign your name on the beast, you will have done us all a great favor.
Your quest will begin on the Avenue of Worthington. Do proceed with caution; there are many who know not of your quest, and would scare the beast away. You must act stealthily, draw no attention. There is space for your ship across the Avenue. From there, you may proceed across the street to your battle. We wish you the best, summoner. Act fast, strong, and most of all, may luck be on your side.