Wolfblood Warrior

If Wolfblood Warrior kills a creature is gets
3 +1/+1 counters.
If this creature is the only creature you
control then is gains Deathtouch, Lifelink,
Vigilance, Trample, Firststrike, and +5/+5.
Sacrifice this creature and return target
creature from your graveyard to the
battlefield under your control.
He only seeks the blood of his enemies.