These buildings house opponents the player can play against before taking on the "club master," this game's version of a gym leader
So, if you just want to add a bunch of random cards to your collection, you should roughly get your money's worth (at current prices) from a box of Core Set 2019 , although because of variance (you likely won't open the cards that you want, at least not in multiples), it's still more efficient to just buy the singles you need for your decks than to crack a box
Second, this is not the only approach
Lets check out all the pricing
At first glance, this card doesnt look too great
I suppose the downside could be that there are times you really want one (the land or the draw) but you get the other, but thats a small price to pay for all the value it brings