Yenzit's stand guard

Tale (As this Creature enters and after your draw
step, add a lore counter. Until it has III.
It can't have more than III lore counters on it.)
I: Put a +1 +1 Counter on Yenzit's stand guard.
II: Put a +1 +1 Counter on Yenzit's stand guard.
III: Yenzit's stand guard has vigilance and
first strike.