傳奇結界 ~身世
由你擁有的指揮官生物具有「在你的結束步驟開始時,若本回合中有生物牌從任何區域進入你的墳墓場,則派出兩個已橫置的1/1綠色松鼠衍生生物。」
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.