Shadowling

{1}{b}: Shadowling gets deathtouch
until end of turn.
{b}: Shadowling cannot be blocked
until end of turn.
{b}: Shadowling gets +1/-1 until end of turn.
{b}: Shadowling gets -1/+1 until end of turn.
It never made it to the afterlife, so now
it seeks vengeance upon the one who brought gave it
this miserable form.