TL:DR>Complete all Trainer Challenges to get free packs and unlock basic decks (use Cheat Engine to speed up AI games).>Farm Versus Mode theme ladder for Tokens and Tournament Tickets.>Enter tournaments to get tradeable chests and packs.>It's advised not to open them.>Trade them for the cards you actually want for a deck you want to build directly, or flip your way up to them.>Public trade is like the GTS, if you want proper results, put up your own offers.
What theme deck should I buy?>Either Entei or Blastoise
Resources>http://www.pokemon.com/us/play-pokemon/pokemon-events/championship-series-event-results/>http://limitlesstcg.com/decks>https://pastebin.com/mcCWbytq (budget deck pastebin)>https://pastebin.com/gyTJPmk2 (trading tips pastebin)>https://play.tcgone.net (play testing decks for free)
Trading companies overprice cards, aim lower. Keep pack value in mind when trading. Always check other public trades, even when using a guide.>http://www.ou7c4st.com/card-values.html