one piece booster box op 11 A Fist of Divine Speed This set also allows new and existing cards to be combined to build powerful decks One Piece TCG: A FIST

For older sets, you'll know if you recognise the set symbol, if you don't the end date on the copyright range printed on the card tells you the year that set came out, and you can find a list of sets in many places (I have usually looked here, but wikipedia and scryfall also have lists) Finding the year will give you only a handful of symbols to compare

Meanwhile, the Paradox Power Doctor Who Magic card set will have the Twelfth and Thirteenth Doctors

Cards from Commander 2017 will be featured and distributed in connection with a future offering on Magic Online

This can help you quickly find the cards you need for specific decks or strategies

Its an okay trade

The loss of efficiency of sideboarding is likely too high to allow you to play a deck this big, but Im not sure if its too high to allow for somewhere in the middle