Predatory Rakoyr

Flash
When Predatory Rakoyr comes into play, if a creature an opponent controls came into play this turn, put two +1/+1 counters on Predatory Rakoyr, unless that opponent sacrifices the last creature that came into play under their control.
Whenever a creature comes into play under an opponent's control, put a +1/+1 counter on Predatory Rakoyr.