Warden of the Fourth Tree

{r/w}: Warden of the Fourth Tree becomes a 2/2 Warrior with First Strike
{r/w}{r/w}{r/w}: If Warden of the Fourth Tree is a Warrior, it becomes a 4/2 Berserker with First Strike and Deathtouch
{r/w}{r/w}{r/w}{r/w}{r/w}{r/w}: If Warden of the Fourth Tree is a Beserker, it becomes a 8/4 Beserker with First Strike, Deathtouch, and vigilance.