In short, every Magic card is associated with one or more of the five MTG colors - White, Blue, Black, Red, and Green - and cards matching different color combinations can be jumbled up in all sorts of ways when you build a Magic: The Gathering deck
Raised top and bottom edges protect your screen, without impeding edge-to-edge swiping
By this, we mean there are three degrees of 'ban' a card can be subject to: Forbidden - Can't be used in the Main Deck, Extra Deck, or Side Deck Limited, Limited 1 - Can only have one copy in the Main Deck, Extra Deck, and Side Deck Semi-limited, Limited 2 - Can have two copies max in the Main Deck, Extra Deck, and Side Deck combined If a card is not on the banlist at all, it's referred to as Unlimited
Along the way, you'll be presented with numerous choices to expand your deck, strengthen your cards, give them unique special abilities, and battle other trainers