OK, I've caught 4 of the Legendaries on my Sapphire (Kyogre and the 3 Regi's) without using my Master Ball. I know I still have Rayquaza, Latios, and Latias to catch (got my EON ticket). Which one should I use my Master Ball with? Latias is REALLY getting on my nerves (how on earth can you run away while you're still asleep?!), so I'm considering using it on him, but would I be better off using it on Rayquaza or Latios? Also, what lvl is Latios when you use the EON ticket to fight him?