Cora had let go of Serena's hand she shook before looking toward Tristen when asked who would win. Yami was thinking about it for it was an interesting question. 

"I mean....it could swing either way. Though I know Mr. Kaiba has his blue eyes, I dont know Miss Serena's deck or what it mainly contains. But if anything I would take a chance on Miss Serena. Who knows what she has up her sleeve." Cora explains. She the suddenly looks about her. Yami looked intrigued of how Cora went about it while Joey was surprised. Marik was impressed.