傳奇結界 ~身世
由你擁有的指揮官生物具有「你每回合中首度將抽一張牌時,改為檢視你牌庫頂的兩張牌。將其中一張置入你的墳墓場,另一張則放回你的牌庫頂。然後抽一張牌。」
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.