This rare promo from the XY era might not crack the top of the charts among its direct peers, but it has a massive impact on Ash's best cards in the Pokemon TCG
It's a strong, appropriate answer to a format that revolves around a wide variety of cheap threats
An artifact that costs no mana, you can tap it and sacrifice it to look at the top of target player's library, then draw a card at the start of the next upkeep
This, in turn, lets you make more Blood per swing, which lets you push Jaws even further power-wise, eventually leading to a commander damage win
So ideally, we run 1 Archive and 3 of the monster to be summoned off of it
These can be incorporated into your decks as a subtheme sometimes, or they can occasionally be a main theme in a very particular/lucky draft