Grindstone Tweet NM-Mint, English, limit 6 $10.57 / $12.68 credit Light Play, English, limit 6 $7.93 / $9.52 credit Moderate Play, English, limit 1 $6.34 / $7.61 credit Heavy Play, English, limit 1 $4.23 / $5.08 credit Buy This Product Details Color: Artifact Card Text: 3, T Put the top two cards of target player's library into that player's graveyard. If both cards share a color, repeat this process. Rarity: R Cost: 1 Card Type: Artifact Name: Grindstone Finish: Regular Set Name: Tempest