Unbounded Witch

Deathtouch, Lifelink
{3}{b}{b}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counters on it and it
becomes monstrous.)
As long as Unbounded Witch is monstrous,
it has: "{t}: Target opponent sacrifices a creature.
You loose life equal to it's power."