Is this a good pokemon team?

This is a really good team, except for a few little problems. Hyper beam and Blast burn are two really bad moves. It leaves a free turn open for your opponent, which can make all the difference in a battle. Another thing that you really don't have to worry about unless you get really serious with battling - double team is technically an "illegal move" but you should be fine. You should reconsider a few moves on Empoleon because his Sp. Attack is much higher than his Attack. Your Lucario looks great though. Overall this team deserves an 7.5/10. Once you fix hyper beam and Blast burn it will be really good. ^-^