Magpies face double injury blow and is Adelaide owed a seat on the karma bus?

Collingwood will be heading to Gather Round without Jordan De Goey and Lachie Schultz, are they easily replaced? With so much riding on teams winning the four points, is Adelaide owed a bit of karma after a several umpiring decisions haven’t gone their way? And what's a healthy balance of responsibility between players and coaches when a team isn’t performing?