Half of the contents are Energy/Trainer cards, and the foil card might not even be one of the rare ones (for instance, I got Frogadier -- it could've at least been Greninja!)
While you dont need the in-depth knowledge of a judge, you should be both familiar with and up to date on the following aspects of Magic: The Gathering : Rules of how to play The sanctioned formats promoted by WotC (Commander, Standard, Pioneer, etc.) Top decks, strategies, and cards within sanctioned formats This will help you not only understand why certain cards are desirable compared to others, it will also hone your instinct for what might make a good card in the future
7.5/10$2.28 Admonition Angel Creature Angel 6/6 Flying Landfall Whenever a land you control enters, you may exile target nonland permanent other than this creature
These two interactions are stronger than they may appear, and in fact, are so strong, we need to be careful about when we play Urborg for no reason since it will often help our opponents