[Anichek]

Another concern brought forward: binding in zones to gate to the engagement.

Simple - no gating into an engagement zone. Period.

How do you get to Gore? Cap it, Druid port to rings, but no gating to KC.
How do you get to Sev? Bind in CoM or TT.
How do you get to Tal? Hammer and run, etc.

Simple to hold to, simple to execute, yet will still allow for staging of characters OR if one is really motivated, shifting bind points with whatever targets you are going for as the windows open. Potentially screws you in a repop too, which adds more fun and complexity to Earthquakes!