Great Dragonship

Great Dragonship enters the battlefield with four crew counters. Great Dragonship's power and toughness are equal to the amount of crew counters on it. At the beginning of the end step if Great Dragonship didn't attack this turn put a crew counter on it.
{r}{g}, {t}, Remove three crew counters from a Boat creature you control: Create a 5/5 red Dragon creature token wi