•        First off, you never lose a card you already have. Even if you have no copies of it, you can still use the card!
•        Second, there may be cards that you don't need at the moment, but your teammates do. Remember, sharing is caring!
•        Third, donating cards is a great way to earn extra coins and level up your New Kid. For each copy of a card you donate, you get Experience and Coins. Each Common card you donate gives you 2 XP and 5 coins, and each Rare card donated gives you 6 XP and 15 coins.