While Didn't Say Please and Thought Collapse help, they are sometimes too slow (especially if we are on the draw)
Reviewing recent confirmed sales is the most reliable method
Moana Of Motunui is a great example, where whenever she quests, she can ready (un-exert) other Princess characters though they cant quest again this turn
Put the rest on the bottom of your library in a random order." On top of that, it also costs one less mana to cast for each artifact you control, which means it could be as low as two mana if you've got enough artifacts in play
With so few copies of Illustrator out in the open, it will be interesting to see just how much the card will sell for in the years ahead, given its absurd rarity and the prestige of owning one.
Graded Population Report: Vanillish #112 Visualize the distrbution of grades in the chart