Olly sent a thumbs up to the boy who had caught the ball he'd thrown. Since he was already over by the Gryffindor platform, he thought he might as well steal more from them. The middle was empty anyway. Now they were down to the interesting part of the competition. Olly glanced around furtively and grabbed a Gryffindor ball. He was as inconspicuous as one could be in such a situation. Quickly, he spun and searched for a Slytherin to throw to.