Which is fine in small doses
You're never sure which side he's on
In most cases, youll prefer singing We Dont Talk About Bruno through one of your 5-cost Characters like Robin Hood Champion of Sherwood , Pegasus Cloud Racer , and Beast Tragic Hero
Be free to break those rules and differentiate as you see fit, as many times special builds/decks require quite different approach and it heavily depends on your preferred playstyle, the chosen commander and the mechanics in use, among other things as well
Once a creature has been blocked, that creature remains blocked and will deal and be dealt combat damage even if it gains or loses shadow or if the blocking creature gains or loses shadow
Seven power for 5 mana is already outstanding on its own, but giving haste to other dinosaurs sets Regisaur Alpha apart