mtg ultimate masters booster box and each pack contains 15 random cards from the set Ultimate Masters - MTG Wiki

The First Chapter Amber/Amethyst The Heart of Magic This Lorcana Starter Deck has held the top spot since the game came out

Your Guilds of Ravnica booster box holds enough packs to host your own booster draft with as many as twelve friends

Curated with a blend of cards that are designed to synergize, and fairly well-balanced against other starter decks, they have been designed to give a taste of what types of moves are possible in the game

Certain locations or historical events are timestamped as happening before or after the Cataclysm because it was such an important marker in the timeline, and it's often used to Hand Wave the existence of Lost Technology