结界
当泰菲力的指导进战场时,抓一张牌,然后弃一张牌。
每当你抓一张牌时,目标对手磨两张牌。
You draw a card and discard a card all while the first ability is resolving. Nothing can happen between the two, and no player may choose to take actions. This means that the second ability is put onto the stack after you've finished resolving the first ability.