They can be particularly valuable in white decks, colorless/artifact strategies, or Eldrazi tribal decks where your traditional draw sources might be limited
UC OP12-006 Shakuyaku R OP12-008 Shanks R OP12-009 Jinbe R OP12-018 Color of the Supreme King Haki R OP12-028 Kouzuki Hiyori R OP12-031 Tashigi R OP12-037 Demon Aura Nine Sword Style Asura Blades Drawn Dead Mans Game R OP12-039 Luffy Is the Man Who Will Become the King of Pirates
Imotekh the Stormlord The first trigger on Imotekh the Stormlord is absolutely insane
One of the fundamental ideas in the game is card abilities can actually alter the rules of play, allowing players to do things that are not normally expected
Even with a crew of just 1, you can tap any number of creatures to crew it, letting you spread those counters around
eBay (large lots) : You can list large unsorted lots on eBay, but manage expectations