Search for Dagger is a rare Enchantment card from Final Fantasy Commander (FIC), collector number 459. Current market price: $4.69 (foil $2.41), TCGplayer market prices via Scryfall.
Whenever your commander enters or attacks, look at the top six cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.