Overshade of Dis

Lifelink , Double Strike
{b}{b}:Destroy target creature with power 4 or less.
That creature's controller loses 3 life and you gain
3 life.
{r}{r}:This creature fights target creature you don't control.
{x}{u}:Counter target instant or sorcery spell with
mana value equal to X.
Only Dispater himself knows how energy is drawn from shades that wander Dis