Gollum, Pursuer of the Ring

Gollum, Pursuer of the Ring enters the battlefield tapped.
Throttle
{b}{1}Reach for the Ring-Your opponent must choose one artifact to exile. Your opponent takes one point of damage. Tap this card.

“Frodo gave a cry, and there was, fallen upon his knees at the chasm’s edge. But Gollum, dancing like a mad thing, held aloft the ring, a finger still thrust within its circle.”