Trivia Contest is a uncommon Artifact — Attraction card from Unfinity (UNF), collector number 233e. Current market price: $0.08 (foil $0.33), TCGplayer market prices via Scryfall.
Visit — An opponent chooses green card, instant card, or named mechanic, then mills a card. You have ten seconds to name something from the chosen category that starts with the same letter as the milled card. If you do, claim the prize! Prize — You get {TK}{TK}{TK}, then you may put a sticker on a nonland permanent you own. Sacrifice Trivia Contest and open an Attraction.