Your scheduled opponent for the first game will probably not mind you taking an extra 5-10 minutes to finish up, so long as you explain yourself and ask politely
Kelpie Guide Kelpie Guide exists in a similar space to Ley Druid, but its far superior, both for its greater flexibility and because blue just gets this ability less often
As time goes on and the deck continues to tune its sideboard for the metagame, I expect it to become even more difficult to beat
They tend to have decks and other accessories you can use to try the game too, so if you havent yet taken the plunge with the Pokmon TCG, its a great way to learn as you (and your child!) play
Zapdos' Lightning Burn attack deals either 30 damage to one of the opponent's benched Pokemon or 30 damage to itself, depending on the result of the required coin flip
This helps to ensure that you have creatures at every turn of the game to cast