Thats the completely daft rarity title given to the sets brand new type of gold cards, which according to TCGP only appear once in every 1,260 packs
The four most popular cards sold during that period involve some familiar faces from Pokmon Red and Blue, including Charizard, Pikachu, Mewtwo, and Blastoise
There's a spot on the back above the M at the top, that could have been cleaned off but probably wouldn't have bumpped this up a grade
4 Sentinel of Lost Lore Sentinel of Lost Lore's three abilities aren't very powerful individually, but a player can use all of them to maximize value just in case
Of course, the cards you end up crafting will depend on which ones you care the most about, the pack-opening strategy you have, and the type of deck you're building