A lot of these also trigger Imotekh the Stormlord, which means more tokens, which means more surveil, it keeps going
While they don't appear to have any specific mechanics tied to them, the cards can likely be included in any deck that's made of one of the card's two ink colors
Most Treasure decks will at the very least always have red, with the rest of the colors more varied
By making Ral Zarek, obviously
With only two in this precon, I have cut this one as the only other payoff for it is Mr House (spoiler alert: hes also getting cut)
As the cards rotate out of Standard, they are put into binders or a particular set or block, depending on the size of the collection