Name: Mightstone Cost: 4 CMC: 4 Color: CID: Type: Artifact Rules Text: Attacking creatures get +1/+0. Set/Rarity: Antiquities uncommon, Masters Edition IV common Set Code: ATQ-U, ME4-C Legality: Legal in pauper, Legal in legacy, Legal in penny, Legal in predh, Legal in vintage, Legal in duel, Legal in oathbreaker, Legal in commander, Legal in paupercommander Reserved: True Price: $5.05