Beast Eater Valtr

Humans you control have Vigilance.
At the beginning of your upkeep, if no
permanents your opponents control have
vermin counters on them, place a vermin
counter on target creature or planeswalker an
opponent controls.
Whenever a permanent an opponent
controls with a vermin counter on it dies,
draw a card and put a +1/+1 counter on
Beast Eater Valtr.