Possible Clues:

• Possessing skill with horse, see a chance?
• Relating to material things no-hoper doesn't have
• Terrestrial (often applied to chance)
• Material a hopeless person doesn't have
• Terrestrial (chance?)
• Sort of chance for the worldly
• No such possible chance of being from this planet
• Hartley novel is mundane
• That's enough to make thy real mixture not out of this world
• Newcomer to wheel in crude material