Regente rugido mortal

Text:

Rulings:

• 2/25/2015 If you cast a creature spell that enters the battlefield as a copy of Deathbringer Regent, the enters-the-battlefield ability will trigger (assuming the “five or more other creatures” requirement is also met).
• 2/25/2015 Deathbringer Regent’s last ability destroys all creatures except Deathbringer Regent, including the five other creatures required for the ability to have an effect.