Broll, Winter's Guide

Broll, Winter's Guide enters the battlefield with
a shield counter on it.
{w}{u}: Change the target of target spell or ability
an opponent controls to Broll, Winter's Guide,
you gain 3 life and scry 1.
At the beginning of each end step, if Broll,
Winter's Guide doesn't have a shield counter
on it, put a shield counter on it.