The only downside to these cards is that they are easy targets for removal, and once removed, your source of card draw is gone
A single-player deck contains 60 cards (including 2 foil cards), 11 damage tokens, 1 rulebook, and 1 BONUS booster pack of 12 randomized cards
If you do, the next creature spell you cast that turn comes into play with two extra +1/+1 counters
Think of them as specialized marketplaces
I would look at the seams on the packs for signs of tampering, but I think youre all good
See also: Chase card rankings, Binder layout planner How much does a Emerging Powers master set cost? A complete Emerging Powers master set is estimated at $432 based on current TCGPlayer market prices