1, you can buy a pack of ten yuan and a pack of five yuan. There are three good cards in the ten-yuan bag, a 3d and ssr horizontal story card, and an ur card. These three cards are all necessary in a ten-yuan bag and a five-yuan bag.
2. If you are lucky, you can draw a usr signature card. Usr signature is a relatively rare card, and the five-element package exists better than ur.