神器 ~武具
当遗宝战斧进战场时,将它装备在目标由你操控的生物上。
佩带此武具的生物得+1/+1。如果它是战士,则改为它得+2/+1。
佩带

Attaching an Equipment with its enters-the-battlefield triggered ability isn't the same as using its equip ability. You don't pay mana for the attachment, and if the Equipment enters at a time you couldn't cast a sorcery, you can still attach it to a creature you control.