Scrooge McDuck Richest Duck in the World Market Price: $189.44 Scrooge McDuck Richest Duck in the World is a 5-Ink Sapphire character card with 3 Strength, 5 Willpower, and 1 Lore
While the card is only legal in Modern, Legacy, Vintage, and Commander, the card searches for a Basic Land card and puts it into play untapped at the expense of one life, which is a clear upside instead of playing Terramorphic Expanse, Fabled Passage, or even Evolving Wilds
Behold the Multiverse Image Whats good about this card
Storm-Kiln Artist refills your mana
You have Fatal Push, the aforementioned Thoughsieze, and some number of Korxa, Titan of Deaths Hunger
And I also know one sold for 12.5k on a PWCC auction in the Summer of this year, but not sure anymore whether it was paid for (it probably was, though)