From the future:
The Edmonton Oilers have traded xxxxxx xxxxxxxxxx to the yyyyyyyy yyyyyyyyyy for zzzzzz zzzzzzzzz, ending their long search for a first pairing defenseman, according to insider Bob McKenzie.
zzzzzz zzzzzzzzz joins a blueline with the Captain Andrew Ference, Nikita Nikitin, Justin Schultz, Oscar Klefbom, Mark Fayne and Darnell Nurse.
If x can = Leon Draisaitl, Jordan Eberle, Taylor Hall, Connor McDavid, Ryan Nugent-Hopkins, Darnell Nurse or Nail Yakupov
y can = Anaheim Ducks, Arizona Coyotes, Boston Bruins, Buffalo Sabres, Calgary Flames, Carolina Hurricanes, Chicago Blackhawks, Colorado Avalanche, Columbus Blue Jackets, Dallas Stars, Detroit Red Wings, Florida Panthers, Los Angeles Kings, Minnesota Wild, Montreal Canadiens, Nashville Predators, New Jersey Devils, New York Islanders, New York Rangers, Ottawa Senators, Philadelphia Flyers, Pittsburgh Penguins, San Jose Sharks, St. Louis Blues, Tampa Bay Lightning, Toronto Maple Leafs, Vancouver Canucks, Washington Capitals, or Winnipeg Jets
solve for z.
Show your work.