Ayara's Oathsworn

Menace
Whenever Ayara's Oathsworn deals
combat damage to a player, if it has
fewer than four +1/+1 counters on it,
put a +1/+1 counter on it. Then if it has
exactly four +1/+1 counters on it, search
your library for a card, put it into your
hand, then shuffle.