芝诺斯·耶·加尔乌斯 // 绝世夙敌神龙

My First Friend — When Zenos yae Galvus enters, choose a creature an opponent controls. Until end of turn, creatures other than Zenos yae Galvus and the chosen creature get −2/-2.

When the chosen creature leaves the battlefield, transform Zenos yae Galvus.