Any improvements I could make to my Gholdengo/Dialga Vstar deck?

I've had a lot of good results from this deck, but I'm relatively new to designing my own deck, so I want to see what more experienced players think. Thank you for any feedback :)

Pokémon: 8
2 Origin Forme Dialga VSTAR ASR 114
2 Origin Forme Dialga V ASR 113
1 Doublade PAR 132
2 Honedge PAR 131
1 Manaphy BRS 41
2 Aegislash PAR 134
2 Gimmighoul PAR 87
2 Gholdengo ex PAR 139

Trainer: 16
2 Trekking Shoes ASR 156
2 Switch CRZ 144
2 PokéStop PGO 68
2 Powerglass SFA 63 PH
2 Jacq SVI 175
1 Hero's Cape TEF 152
2 Earthen Vessel SFA 96
2 Pal Pad SVI 182
2 Nemona SVI 180
3 Nest Ball SVI 181
2 Boss's Orders PAL 172
2 Super Rod PAL 188
2 Energy Search CRZ 128
3 Ultra Ball SVI 196
2 Rare Candy SVI 191
2 Lady LOR 159

Energy: 1
13 Basic {M} Energy Energy 16

Total Cards: 60