Considering that many of the serialized cards from The Brothers' War weren't great quality, it's a legitimate concern
The Home portion will take you to your home page that features different ways to play, decks, your profile, shop, battle pass, access to settings, and more
If you like partners with commanders, and are inspired to try more flavor combinations, build a Commander deck with one of the 32 legendary creatures that allow you to choose a background, then you can pick from one of the 30 backgrounds to act as your second Commander
Mow Rotom missed the $15 cutoff but would be right behind its Wash Rotom peer
HGSS and Black/White alone give you almost everything you need (Ninetales, Reshiram, Typhlosion, Collector, Juniper, even Emboar if you want to try it that way)