Fangorn, Fasting Vampire

Vigilance
Life and Death (If your life total is over 10, this
creature has deathtouch. If your life total is 10 or
lower, this creature has lifelink.)
When Fangorn, Fasting Vampire blocks or
becomes blocked, you may change his base power
and toughness to 0/5. If you do so, return target
creature with mana value 3 or less from your
graveyard to the battlefield.