The Superlatorium is a uncommon Artifact — Attraction card from Unfinity (UNF), collector number 230f. Current market price: $0.11 (foil $0.31), TCGplayer market prices via Scryfall.
Visit — An opponent chooses "the funniest," "the smelliest," or "the sturdiest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize! Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.