Urza's Hot Tub is a uncommon Artifact card from Unhinged (UNH), collector number 131. Current market price: $0.19 (foil $7.35), TCGplayer market prices via Scryfall.
{2}, Discard a card: Search your library for a card that shares a complete word in its name with the discarded card, reveal it, put it into your hand, then shuffle.