The Blightwind

As an additional cost to casting this card, discard
a card at random.
At the beginning of each combat step, you may
choose target creature. Until end turn, that
creature gets deathtouch, reach, menace, and vigilance, and whenever it deals combat damage
to a creature your player, put a +1/+1 counter on
it.
If the targeted creature has 4 or more counters on
it, sacrifice it.