This effect can be completely back-breaking in practice, allowing you to acquire all sorts of things while gaining tons of free information
Or even better, be able to play a snippet of a Disney song when I play the corresponding Song card
As much as I enjoyed the enchantment-based approach with the Classes, I prefer these artifacts because they offer a more versatile approach, since you can pass the jobs around
Some of your best cards, like Skyclave Apparition, Llanowar Elves, and Soulherder are cards you really want to draw, which of course becomes more difficult when your deck is 80 cards
This is pretty rare, so you should generally assume that the end of turn step will be your last chance to do anything
If it is day, and the active player of the previous turn cast no spells during their turn, it becomes night