Blacksmith's Remnant

Vigilance
When Blacksmith's Remnant enters the battlefield, create a halberd token (an artifact with
"{1} Sacrifice this artifact: put a +X/+0 counter on a creature, where X is its already existing power.")
{x}{w}: Put a +0/+X counter on Blacksmith's
Remnant.
{4}{w}: Pay 1 life and recast Blacksmith's
Remnant from any graveyard.