When you throw in the immunity to Commander tax, the potential for library manipulation, the each opponent wording on the trigger, and the massive scaling when played with other Ninjas, you get the most fearsome tempo creature this side of Ragavan
Choco, Landfall Bird Choco, Seeker of Paradise art by Miho Midorikawa Chocos text cares about the number of birds that attack, but its ability converts that tally into card draw and massive land ramp
All that sacrificing can net us additional value off of Liliana, Dreadhorde General or Mirkwood Bats since he triggers on token sacrifice as well
Cash changes hands
Game Over is full of Sorcery cards that involve villains from the series, Grimoire is a mix of Instant and Sorcery abilities from heroes, and all of the Weapons ones involve Artifacts with series heroes wielding them
When I take a commission, if my estimate for the number of cards needed is too low, I will buy the extra copies to make the best possible alter