You've missed out Kennedy (strategically retired) and counted Scalia twice (died during Obama's term.) Kennedy wasn't anything to do with "luck" and I'd disput

You've missed out Kennedy (strategically retired) and counted Scalia twice (died during Obama's term.) Kennedy wasn't anything to do with "luck" and I'd dispute that Scalia was either - he could probably have died a year earlier and McConnell would still have blocked the seat.