>>56311944SubSalac + Overgrow would also be decent option as 2x resists wouldn't enjoy a +6 Leaf Blade:
>+6 252+ Atk Overgrow Sceptile Leaf Blade vs. 252 HP / 252+ Def Gholdengo: 270-318 (71.4 - 84.1%) -- guaranteed 2HKOIf Miracle Seed:
>+6 252+ Atk Miracle Seed Overgrow Sceptile Leaf Blade vs. 252 HP / 252+ Def Gholdengo: 323-381 (85.4 - 100.7%) -- 6.3% chance to OHKOSolar Blade is an alternative attack if in a sun team