I find Emolga to be useless I ran 3 then 2 and hardly ever started with them and then drew them late game along with Bianca -__- so I would would take the 2 Emolga out and add 1 more Gabite and 1 more Stunfisk and switch the 3 bianca's for 2 rescue scarfs to recover Alteria and 1 more chern...
I've played against this deck twice and beat is with Garchomp/Altaria, And the only thing I can really think of changing up is running 3 regular terrakion and only 1 ex. Or adding 2 Stunfisk in place of 1 Terrakion Ex and 1 Tool scrapper. Hope this helps and good luck.