Though they are a rarity, codes for Pokmon TCG Pocket do appear on occassion and, when they do, they often bring a substantial amount of rewards with them
Overall, this system is worse for players who just want to put together one powerful deck and use it to win in the ranked ladder, while being somewhat better for players who are interested in building up a broad collection
Latest Dragon Decks Recently uploaded deck lists tagged with this archetype
Or you can use a card like Netherborn Altar to put him into your hand from the command zone, then pay for his first ability in tandem with an unblockable creature like Triton Shorestalker
The game boasts both the singleplayer Trainer Challenge, which can unlock premade decks through continued success, and an online versus mode against random players, friends, or even just the computer if testing out a deck, with both ranked and unranked play