Okay, I'm going into a VG Pokemon tourney locally and I realized that my Rotom-W is fairly outdated with his nature and IVs. Currently I have a Rotom-W (Modest) [ChoiceScarf] Trick/Volt Switch/Hydropump/Will O Wisp

Should I swap over to a more bulky Rotom-W? If so, does anyone have one they're willing to trade? I can post pokemon I have up for offer if anyone is interested.