傳奇結界 ~身世
由你擁有的指揮官生物得+3/+3且具有飛行、死觸、「守護~支付3點生命」與「在你的維持開始時,犧牲一個生物。」
Choose a Background is a variant of the partner ability. You may have two commanders if one of them is a legendary creature with the choose a background ability and the other is a legendary Background enchantment. Backgrounds and cards with choose a Background do not interact with cards which have any other partner ability.