P'Hil, Treacherous Behemoth

Trample
{2}{r}{g}: Monstrocity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous)

Whenever P'Hil, Treacherous Behemoth would enter the graveyard from the battlefield, if P'Hil, Treacherous Behemoth is monstrous, return it to
the battlefield under target opponent's control.