Even at g9, Shore can help immensely against Wiggs! He'll eat their first assist skill, and his regroup gives party crit neg, which will neuter Wiggs, and also shut down Lando, since he won't be able to AOE after that.
If you can run TFP or BOBA for ability block, you're golden! It's easy to get TFP faster than Wiggs, so then you can ability block Biggs before they take a turn, and the buff immunity that TFP gives the rest of the enemy roster will prevent STH from taunting.
That's all that you need to handle Wiggs, that meta is dead in high lvl pvp