Steamfloggery is a uncommon Instant card from Unstable (UST), collector number 96. Current market price: $0.18 (foil $0.70), TCGplayer market prices via Scryfall.
Roll a six-sided die. Assemble a number of Contraptions equal to the result. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)