Sunder the Gateway [March of the Machine]

Choose one —

• Destroy target nontoken artifact or enchantment an opponent controls. Incubate 2. (Create an Incubator token with two +1/+1 counters on it and “{2}: Transform this artifact.” It transforms into a 0/0 Phyrexian artifact creature.)

• Incubate 2, then transform an Incubator token you control.