Heartstone Tweet Near Mint, English, limit 12 CAD$ 0.50 / CAD$ 0.63 credit Hero Deal, English, limit 12 CAD$ 0.50 / CAD$ 0.63 credit Moderately Played, English, limit 4 CAD$ 0.35 / CAD$ 0.44 credit Buy This Product Details Color: Artifact Card Text: Creatures' activated abilities cost 1 less to play. If this would make an ability cost 0 or less mana to play, it costs 1, plus any nonmana costs. Rarity: U Cost: 3 Card Type: Artifact Artist: John Matson Name: Heartstone Finish: Regular Card Number: 134/143 Set Name: Stronghold