The Grindstone card from the Tempest set in Magic: The Gathering is a rare, colorless artifact card illustrated by Greg Simanson. Manufactured by Wizards of the Coast, this English language card has a cost of 1. With a regular finish and card number 290, Grindstone offers unique abilities and gameplay mechanics within the Magic: The Gathering universe. Perfect for collectors and players looking to enhance their decks with powerful artifacts.