Shadow warrior

Deathtouch
{1}: Untap Shadow warrior.
{1}: Shadow warrior deals 2 damage to target.
{1}: Shadow warrior gets first strike or
last strike until end of turn.
{x}: Shadow warrior gets +X/+X until end of turn.
Gratitude (Instead of destroying Shadow warrior,
your opponent can pay {1} and gain control of it.)
Shadow warrior can not be sacrifised.