Next turn, these can bring in Gray Merchant of Asphodel, Puppeteer Clique, or Phyrexian Delver, which in turn can find Disciple of Bolas, Pitiless Plunderer, or Vindictive Lich
I know of 2 that sold roughly 4 months ago
Its hygroscopic, meaning it absorbs moisture from the air
There is another promo version of Mickey Mouse, Brave Little Tailor, that is serialized and printed in gold foil art which is only given out to winners of the world championships
The first was Library of Leng, first printed in Limited Edition Alpha , whose text says, There is no limit to size of your hand. In subsequent reprintings, most notably in Revised Edition , the text was changed to You must skip the discard phase of your turn--as if that was a bad thing