Pain, Asura Path

Metalcraft- As long as you control three or more artifacts, Pain, Asura Path has Double Strike, Trample and Reach.
{2}: Put a 2/1 Artifact Servo Creature token onto the battlefield. Exile it at the end of combat.
As long as Pain, Asura Path's Metalcraft ability is activated, all creatures able to block Pain, Asura Path do so.