Hit the Mother Lode

Sorcery{4}{R}{R}{R}

Discover 10. If the discovered card's mana value is less than 10, create a number of tapped Treasure tokens equal to the difference. (To discover 10, exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Colour identity Red · Treasure, Discover

In short

Hit the Mother Lode has 6 listed printings; the most valuable is the Prerelease printing from PLCI at US$1.45 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.