NotSure 24 seem there is some mention that
"It effectively says 'Look, we (TPC/Nintendo) are legally still the only ones allowed to make derivative works (fan art included), but we all know you're going to do it," Hoeg said of the terms, "so if you do, on the off-chance it's special, we can use it without otherwise paying you (since it was ours to begin with)'." Today's statement, however, suggests Pokmon TCG Pocket will not be featuring any more fan art anytime soon
The problem is that the Dragon Weakness is by and far worse than Fairy, as you lose to practically any Dragon deck you face, so its a double-edged sword
As the list of preconstructed decks is far too long to list individually, simply: if the deck is a fresh-from-the-box pre-con from HeartGold & SoulSilver onwards , and was able to be redeemed on TCG Online, it was allowed