I was using this Lugia:
Bold Nature
Ev's 252 SpD, 252 Def
@Leftovers
Calm Mind
Ice Beam
Icy Wind
Recover
It's a great Wall, he can reduce speed with icy Wind and damage the most common Pokémon in VGC, Giratina, Others Lugia, Rayquaza, Groudon, Parasect, deals 50%+ Damage on Smeargle, and...