There are some players in the NHL that can turn a good team into a great team. Their skill or leadership can put a team over the edge. These players are far and few between.
Every team's general manager tries to put his team in a position where they are a piece or two away from winning the Stanley Cup. They have the core in place and need that one element to make the team a bona fide contender.
Certain teams need that, and the players who can make this happen are available. Some players can turn the power of a division or conference from one team to another. These special players are coveted by teams with high hopes.
Here are a few trades that could lead to a power shift in each conference.