Pokemon Resources
Official Pokémon Resources (Archived resources for historical information)
TCG Competitive Play Insights and Strategies
Online Decklist Generator for TCG Tournaments: RK9 Labs decklist generator.
Or you can print out a paper copy to handwrite your decklist:
From Pokemon.com - select the Play! Pokémon Deck List (8.5x11)
Pokémon TCG Alternative Play Handbook
Pokémon Online Trading Card Game
Video Game Battle Team List.
Learn to Play the Trading Card Game (TCG)
Learn to Play the Trading Card Game (TCG)
Resources for League Leaders
Resources for League Leaders
League Leader Playbook
Checklists
Checklists