The deck has only a single way to win outside of combat damage -- slowly pinging with Outpost Siege -- which can be awkward when combat damage isn't a viable way to end the game, but for most games it'll suffice
Officially, the set includes 172 cards - not including those featured as part of the Trainer Gallery subset, of which there are 30 - but there is also an additional collection of Secret Rare items to keep an eye out for
That's the best offer I've seen, so it's unlikely to last long
If an opponent has a Laboratory Maniac on board with ten cards in their library, you know you probably wont have more than a couple of turns left
Once you have entered those details, you will be able to create an account for your child using a similar process to that we followed in step 1
There are no official sources for this information.