Technically, if Canucks lose all their remaining games (0 pts) and ANA gets at least 1 pt in their last 2 games, the Canucks will finish 2nd last. BUF is guaranteed last.
So if the above happens, the Canucks can pick #1-4.
If Canucks get more points than ANA, then they are in the 4th spot (as SEA is automatically 3rd). Then selection could be 1-2 (lottery) or 4-6.