I fully expect the price on nonfoil uncommon FCAs to drop dramatically over time, rares and mythics will still be hard to pull but there will be a fair amount more of the nonfoils out there, thanks to the Play Boosters
A Whole New World is probably your single strongest song, helping you stay in control of your opponents hand while ensuring yours is always filled, and Grab Your Sword works really well with the overarching damage spread of this deck, subverting Wards and punishing aggro
Magica is focused on item cards, and gains a huge advantage from the item cards you have in play
Just to be safe, I added Propaganda and Sphere of Safety to encourage my opponents to attack anybody else
Having said that, Keeping the beginner decks sealed can be a nice display on a shelf next to each other, and there are going to be some definitely fan favorite decks over others in the future so we would recommend getting the ones that you want to keep for yourself