传奇结界 ~身世
由你拥有的指挥官生物具有「在你的结束步骤开始时,若本回合中有生物牌从任何区域进入你的坟墓场,则派出两个已横置的1/1绿色松鼠衍生生物。」
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.