I like it a lot in four or five color decks in this role, but in three or fewer colors it hardly seems necessary
The direction the cards are inserted into the packs varies sometimes within a set, i.e
The deck can be played as a control variant as well due to how powerful its Trap Cybernetic Overflow is
Since most Hydras don't have generic costs to reduce, this mana is instead automatically pumped into the X section of a Hydra's mana cost, essentially giving it a free power and toughness boost
Its only commonality is having 0 ATK, which Ghost Belle and Ash Blossom both share
While the card is naturally being run alongside the new Edge of Eternities Commanders, Ragost, Kilo, etc., for thematic reasons, its also part of a number of powerful, well-established decks in the format