Mercenary Knight Tweet Moderately Played, limit 6 $0.09 / $0.11 credit Buy This Product Details Card Type: Creature - Mercenary Knight Rarity: R Card Text: When Mercenary Knight comes into play, sacrifice it unless you discard a creature card. Color: Black Finish: Regular Name: Mercenary Knight Set Name: Portal Cost: 2B Pow/Tgh: 4/4