Who are the Blues? The team that stormed to a 5-0-0 start? The team that played average hockey for a long stretch? The team that lost a bunch of key players yet found ways to unlock wins? Many seasons, by the holiday season, we can confidently identify a team’s makeup — but this season? It’s hard to say who the Blues are now, let alone who they’ll be come playoff time. So we have to hunt for hints. “We’ve had an evolving roster,” defenseman Justin Faulk said Monday as the Blues prepared for two huge games — star-studded Edmonton in town Wednesday, which is the Blues’ first game in 10 days, and…
