Well, I just snagged Shadow Lugia and defeated Greevil. I used Master Ball on Shadow Lugia, and caught his Tauros and Zapdos, both with Ultra Balls. Tauros was in the low red and I bagged him with an Ultra, then Zapdos was at 1 HP and Sleeping(False Swipe w/ Zangoose + Sleep Powder from Jumpluff). I threw a Net Ball for fun before Zapdos went to sleep, and it failed. I stuck Zapdos to sleep and caught it with an Ultra Ball. Overall, 2 Ultras and a Net used. Unfortunetly, Zapdos' nature was Rash, which sucks. As soon as I snag the rest of the Shadows, find out the natures of Moltres, Articune and Lugia, I'm gonna get a new Memory Card and start another file(New M. CArd is so I won't have to delete my current file.)