Andre Spight called his Nuggets pre-draft workout last week a “dream come true” — even though the former Northern Colorado point guard left yearning for more after his session included only a limited amount of three-on-three scrimmage. “I don’t think they got to see everything I can do,” Spight said, “but they should know.” Therein lies the challenge for the state’s most electrifying prospect entering Thursday’s NBA draft.