Am Just About To Head Into the elite 4 in White 2, I'm Not Bothered about natures really in the main game. I just like to speed through it, then will get competitiveness sorted for the PWT & The Subway. I did grind for shards though for decent moves
Thunderbolt (Probably will be superpower)
I'm only really worried for Marshal. Was considering switching arcanine for something since I don't need it at all.