You can also use your collection (once you have amassed enough of a variety) to build your own decks of 20 cards that you can then use in either solo battles against AI, or against other players online
Theres still a lot going on here with two Vesuvan Doppelganger (PL, LP), a Forcefield (PL), an Armaggeddon (EX) and a Jayemdae Tome (PO)
Presale prices for each of the Elder Dragons is as follows: Witherbloom, the Balancer: $34 Prismari, the Inspiration: $29 Lorehold, the Historian: $27 Quandrix, the Proof: $24 Silverquill, the Disputant: $22 Opening one of these mythic rare Elder Dragons will cover the cost of a few play boosters, especially if you cash them in at your (pre)release event
The rest remain on your bench, a row behind your active Pokmon
BLADE OF SHARED SOULS This one made waves in 60-card Standard, which is a big ask of an equipment card if you think about it