The loser writes, records, and performs an original song praising the league champion by name, listing their roster's achievements in verse. Performed live at the draft, archived forever in the group chat. Rhyming 'waiver wire' is left as an exercise for the ashamed.
Budget note: this one costs nothing but dignity, which makes it a strong pick for leagues that would rather spend the pot on the champion than on the loser's downfall.
Seen in the wild: fantasyfootballunlimited.com ยท 4for4.com