A pack of 12 randomized cards contains: 1 Foil card of random rarity, 2 Rare (or higher-rarity) cards, 3 Uncommon cards, and 6 Common cards
Here is roughly what each rating means: 1 = Garbage - These cards are unplayable in nearly all circumstances
Regardless, it should always be pretty valuable for collectors
You may reveal a location card and put it into your hand
The Amethyst & Ruby Deck Includes Wreck-It-Ralph's Lorcana Debut This Deck Caters to a More Aggressive Playstyle The first deck, Amethyst & Ruby, has a ton of Glimmer cards which a good handful of don't have any extra abilities, but a lot of them do have Rush or Evasive effects
If you can survive the turn used to play this, you should have enough in hand to fill your board again