Outside of Sapphires tendency to ramp ink or mana quickly, or the ability to filter through a deck, there are a handful of similar bonuses from just having Detective cards in your deck
Having been founded in the 1970s as a production studio assisting on everything from Toeis Galaxy Express 999 to Hanna Barbera cartoons, it moved into comic and product distribution in the 1990s and took advantage of a normalisation in post-World War II relations between Japan and Korea and the legalisation of cultural imports from Japan to successfully localise and transform franchises like Pokmon and Crayon Shin-Chan into household names
More than combo or aggressive decks with toolboxes, you'll most often see this in control decks that sport a toolbox
On the other hand, Gyarados Ex, a Water-type powerhouse requiring 4 Energy, is weak to Electric types, making it a free prize for Alolan Raichu Ex
For the Gengar Fossil card, this would be a true holy grail, but it's no slouch regardless
You will also want to download an image to use for for your card-backs which can be anything you like
