Its the strongest event card in purple decks, it features Luffy, and the manga version is the most expensive manga event card
This is going to be particularly good with Hinata from Kamigawa: Neon Dynasty, who effectively negates the X-cost and lets you do it to all your creatures for just two mana
Cards with limited print runs, unique artwork, or error prints often command premium prices, especially when graded in gem mint condition
In fact, if a Golgari or Jund deck ever ascends to the upper tiers of Modern again, there's definitely a world where Mirran Crusader makes an appearance once more in the sideboards of Hammer Time decks
On paper, red has the best removal by far
In game terms, Fezandipiti is pretty capable