法术
两位目标牌手彼此交换总生命。你派出一个X/X无色惊惧兽衍生神器生物,X为这些牌手总生命之间的差值。
Use the difference between the life totals after the exchange to determine the size of the Horror token. Because replacement effects can modify the life gain and life loss, this number may be different from what it was before the exchange.