About five years ago, those types of cards were much better since cubes were slower, but with many cubes adopting aggressive strategies and getting more efficient removal options, things like the Vindicate test (where you get an effect out of it if the creature dies at sorcery speed, so Consecrated Sphinx passes that test) hamper its effectiveness, but it does protect itself well if you are able to untap with it since you can turn just about any blue card into a counterspell or draw card
Your main method of slowly acquiring Shinedust is by simply opening booster packs
According to the post, one of the files on public record read as Magic: The Gathering - SLD Happy Little Gathering
They each affect each other, in addition to making all of your other creatures even larger
(It's an artifact with ", , Sacrifice this artifact: You gain 3 life.") , , Tap X untapped Foods you control: Create X 1/1 white Human creature tokens
This kind of "unable to do anything" state can be called a so-called hand brick