Pokemon Trainer Cards to have in EVERY deck

I have been playing Pokemon TCG Online for the past few months and after playing numerous games I have come up with a list of Pokemon Trainer cards that I put in each and every one of my decks without fail.

Below is the list:

1. Pokemon Fan Club or Brigette
2. Professor's Letter
3. Energy Retrieval
4. Fisherman
5. Pokemon Center Lady
6. Potion
7. Lucky Helmet
8. Evosoda
9. Switch
10. Cheren or Tierno
11. Team Flare Grunt
12. Lysandre
13. Town Map
14. VS Seeker
15. Professor Birch's Observations, Professor Sycamore, N or Shauna
16. Cilan
17. Level Ball or Heavy Ball
18. Revive, Max Revive or Rescue Scarf
19. Fighting Fury Belt or Muscle Band
20. At least 1 Stadium card depending on the Pokemon Deck type