Bag of Tricks is a rare Artifact card from Forgotten Realms Commander (AFC), collector number 37. Current market price: $0.36, TCGplayer market prices via Scryfall.
{4}{G}, {T}: Roll a d8. Reveal cards from the top of your library until you reveal a creature card with mana value equal to the result. Put that card onto the battlefield and the rest on the bottom of your library in a random order.