Personally I think your team is pretty okay to deal with Emily: Graveler and Krookodile should be able to deal with Electivire, Jolteon and Manectric, Sceptile with Rotom, Magmar with Galvantula and Machamp with Eelektross. Try to defeat Galvantula without giving it a chance to set up Sticky Web, Eelektross has an Assault Vest so it's better to use physical attacks against it. Completing the Addenfall ranger quests can be helpful since you can get a Choice Band for Krokodile/Graveler, also if Greninja is not being very helpful consider temporarily replacing it for something that can at least b