Scavenger Hunt (UNF-226) - Unfinity

Visit — Choose "an elf or goblin," "a tail," or "a flying creature or flying vehicle" at random. You have ten seconds to search your library and reveal a card with the chosen item in its art. If you do, claim the prize! Then shuffle.
Prize — You get {TK}{TK}, then you may put a sticker on a nonland permanent you own. Sacrifice Scavenger Hunt and open an Attraction.