I worked on the design of a game other than Magic
Some Japanese promos and exclusives hold strong value, but prices depend on demand, rarity, reprints, and market sentiment
If you don't like the top card of your deck, then shuffling the deck can give you another chance to make your draw good, and can also be a way to know if you have a good target for card effects like Drastic Drop Off
So out of all the Solemn cards, this is by no means a bad choice
There are no energy cards in any other set nor are there any energy cards coming down the pipe, which makes playing Kaladesh Block Constructed in a format as powerful as Historic not an exciting proposition
The Cosmos Holo pattern is a huge draw, so expect a hard-fought battle between Ogerpon and Charmander to rage on