Fullmetal Warrior

Defender
{3} This creature loses defend and gains
Indestructible until your next turn.
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.
It never speaks it only kills.