Gardevoir EX deck, I cant win PLEASE HELP!

so I went to 3 locals and lost ever match!! I just got into the game so I am still learning a lot but its like I cant even get myself starting while my opponent is already setting up:(

hear my deck list

Pokémon: 18

4 Ralts ASR 60

4 Kirlia SIT 68

2 Gardevoir ex SVI 86

1 Munkidori TWM 95

1 Drifloon SVI 89

1 Scream Tail PAR 86

1 Flutter Mane TEF 78

1 Cresselia LOR 74

1 Klefki SVI 96

1 Radiant Greninja ASR 46

1 Manaphy BRS 41

Trainer: 33

4 Arven OBF 186

4 Iono PAL 185

2 Professor Turo's Scenario PAR 171

1 Boss's Orders PAL 172

4 Buddy-Buddy Poffin TEF 144

2 Ultra Ball SVI 196

2 Nest Ball SVI 181

2 Super Rod PAL 188

2 Earthen Vessel PAR 163

2 Counter Catcher PAR 160

1 Hyper Aroma TWM 152

1 Hisuian Heavy Ball ASR 146

1 Enhanced Hammer TWM 148

2 Bravery Charm PAL 173

1 Technical Machine: Evolution PAR 178

1 Artazon PAL 171

1 Temple of Sinnoh ASR 155

Energy: 9

7 Psychic Energy SVE 5

2 Darkness Energy SVE 7

please help me, I am feeling so defeated and thinking about changing decks? I have a lugia deck I could play or ancient box, I want a friendy noob deck and everyone is telling me that the deck I am playing is a little bit hard?