Arena Strategy's How do you do it?

Hey everyone so I dedicded to ask the db forums on how do you start your arena.....as in what strategy's or Tips can you help us out with. Who do you target first?.........how do you live?........What are your strats please share....Im starting to want to pvp alot more also arena with my guys but dont know were to start or who to attact first while the game starts. What i try to do is burst down the DPS but its gotten harder now to nuke someone before they die lol. Anyway please tell us your secrets.