Grayam, Deceitful Orator

When Grayam, Deceitful Orator enters the battlefield, it Taunts X times. (Target creature an opponent controls becomes taunted. If a taunted creature doesn't attack you during it's controllers next combat phase, it perpetually gains -1/-1. If a taunted creature does attack you during it's controller's next combat phase, the creature that taunted it gains a shield counter.)