巫術
將一個X/X,黑綠雙色的精靈/戰士衍生生物放進戰場,X為由你操控的生物中防禦力最大者的數值。
The value of X is determined only once, as Kin-Tree Invocation resolves. The power and toughness of the Spirit Warrior token doesn’t later change if the greatest toughness among creatures you control changes.