This strategy is known by this name due to Magic: The Gathering 's mill decks that are about making opponents draw more cards or putting cards from the top of their libraries into the graveyard
Cards like Spore Frog and Caustic Caterpillar offer defensive tools to keep the king on the throne
You still get a lot of benefit from a turn one Mox Diamond even if you then cannot make your second land drop on turn two, sometimes even the first
For graveyard decks, being able to pick and choose what you put there is always powerful
If you speak to the people that actually work in the industry on the retail or e-commerce side of things, they will tell you that the buying and selling of collections on retail margin, or the purchasing and sorting of bulk collections, are much more reliable and profitable avenues than the purchase of sealed product, or individual card speculation
These are all good enough in their respective 2-color decks without any particular synergies, though I rarely see them in play, even after the full cycle was reprinted in Double Masters 2022